diff options
Diffstat (limited to 'host/lib/usrp/common')
| -rw-r--r-- | host/lib/usrp/common/CMakeLists.txt | 2 | ||||
| -rw-r--r-- | host/lib/usrp/common/ad9361_client.cpp | 56 | ||||
| -rw-r--r-- | host/lib/usrp/common/ad9361_ctrl.cpp | 245 | ||||
| -rw-r--r-- | host/lib/usrp/common/ad9361_ctrl.hpp | 35 | ||||
| -rw-r--r-- | host/lib/usrp/common/ad9361_driver/ad9361_client.h | 49 | ||||
| -rw-r--r-- | host/lib/usrp/common/ad9361_driver/ad9361_device.h | 150 | ||||
| -rw-r--r-- | host/lib/usrp/common/ad9361_driver/ad9361_dispatch.h | 24 | ||||
| -rw-r--r-- | host/lib/usrp/common/ad9361_driver/ad9361_impl.c | 1854 | ||||
| -rw-r--r-- | host/lib/usrp/common/ad9361_driver/ad9361_platform.h | 64 | ||||
| -rw-r--r-- | host/lib/usrp/common/ad9361_driver/ad9361_transaction.h | 77 | ||||
| -rw-r--r-- | host/lib/usrp/common/ad9361_platform_uhd.cpp | 86 |
11 files changed, 1092 insertions, 1550 deletions
diff --git a/host/lib/usrp/common/CMakeLists.txt b/host/lib/usrp/common/CMakeLists.txt index b40c16121..1729b9d33 100644 --- a/host/lib/usrp/common/CMakeLists.txt +++ b/host/lib/usrp/common/CMakeLists.txt @@ -34,8 +34,6 @@ LIBUHD_APPEND_SOURCES( ${CMAKE_CURRENT_SOURCE_DIR}/adf435x_common.cpp ${CMAKE_CURRENT_SOURCE_DIR}/ad9361_ctrl.cpp ${CMAKE_CURRENT_SOURCE_DIR}/ad9361_driver/ad9361_impl.c - ${CMAKE_CURRENT_SOURCE_DIR}/ad9361_platform_uhd.cpp - ${CMAKE_CURRENT_SOURCE_DIR}/ad9361_client.cpp ${CMAKE_CURRENT_SOURCE_DIR}/apply_corrections.cpp ${CMAKE_CURRENT_SOURCE_DIR}/validate_subdev_spec.cpp ${CMAKE_CURRENT_SOURCE_DIR}/recv_packet_demuxer.cpp diff --git a/host/lib/usrp/common/ad9361_client.cpp b/host/lib/usrp/common/ad9361_client.cpp deleted file mode 100644 index c0cc61585..000000000 --- a/host/lib/usrp/common/ad9361_client.cpp +++ /dev/null @@ -1,56 +0,0 @@ -// -// Copyright 2014 Ettus Research LLC -// - -#include <ad9361_client.h> - -double ad9361_client_get_band_edge(ad9361_product_t product, frequency_band_t band) -{ - switch (product) { - default: - switch (band) { - case AD9361_RX_BAND0: return 2.2e9; - case AD9361_RX_BAND1: return 4.0e9; - case AD9361_TX_BAND0: return 2.5e9; - default: return 0; - } - } -} - -clocking_mode_t ad9361_client_get_clocking_mode(ad9361_product_t product) -{ - switch (product) { - case AD9361_B200: - return AD9361_XTAL_N_CLK_PATH; - default: - return AD9361_XTAL_N_CLK_PATH; - } -} - -digital_interface_mode_t ad9361_client_get_digital_interface_mode(ad9361_product_t product) -{ - switch (product) { - case AD9361_B200: return AD9361_DDR_FDD_LVCMOS; - default: return AD9361_DDR_FDD_LVCMOS; - } -} - -digital_interface_delays_t ad9361_client_get_digital_interface_timing(ad9361_product_t product) -{ - digital_interface_delays_t delays; - switch (product) { - case AD9361_B200: - delays.rx_clk_delay = 0; - delays.rx_data_delay = 0xF; - delays.tx_clk_delay = 0; - delays.tx_data_delay = 0xF; - break; - default: - delays.rx_clk_delay = 0; - delays.rx_data_delay = 0; - delays.tx_clk_delay = 0; - delays.tx_data_delay = 0; - break; - } - return delays; -} diff --git a/host/lib/usrp/common/ad9361_ctrl.cpp b/host/lib/usrp/common/ad9361_ctrl.cpp index 4cdfaa6e1..0754d2c86 100644 --- a/host/lib/usrp/common/ad9361_ctrl.cpp +++ b/host/lib/usrp/common/ad9361_ctrl.cpp @@ -3,20 +3,19 @@ // #include "ad9361_ctrl.hpp" -#include "ad9361_transaction.h" -#include "ad9361_dispatch.h" -#include <ad9361_platform.h> #include <uhd/exception.hpp> #include <uhd/types/ranges.hpp> #include <uhd/utils/msg.hpp> #include <uhd/types/serial.hpp> -#include <boost/thread/mutex.hpp> -#include <boost/format.hpp> #include <cstring> +#include <boost/format.hpp> #include <boost/utility.hpp> #include <boost/function.hpp> +#include <boost/make_shared.hpp> +#include <boost/thread.hpp> using namespace uhd; +using namespace uhd::usrp; /*********************************************************************** * AD9361 IO Implementation Classes @@ -28,7 +27,9 @@ public: ad9361_io_spi(uhd::spi_iface::sptr spi_iface, uint32_t slave_num) : _spi_iface(spi_iface), _slave_num(slave_num) { } - uint8_t peek8(uint32_t reg) + virtual ~ad9361_io_spi() { } + + virtual uint8_t peek8(uint32_t reg) { uhd::spi_config_t config; config.mosi_edge = uhd::spi_config_t::EDGE_FALL; @@ -43,7 +44,7 @@ public: return static_cast<uint8_t>(val); } - void poke8(uint32_t reg, uint8_t val) + virtual void poke8(uint32_t reg, uint8_t val) { uhd::spi_config_t config; config.mosi_edge = uhd::spi_config_t::EDGE_FALL; @@ -58,6 +59,7 @@ public: //networked devices, it makes writes blocking which will considerably slow down the programming peek8(reg); } + private: uhd::spi_iface::sptr _spi_iface; uint32_t _slave_num; @@ -72,126 +74,31 @@ private: }; /*********************************************************************** - * AD9361 Transport Implementation Classes - **********************************************************************/ - -//---------------------------------------------------------------------- -//Over a zero-copy device transport -//---------------------------------------------------------------------- -class ad9361_ctrl_transport_zc_impl : public ad9361_ctrl_transport -{ -public: - ad9361_ctrl_transport_zc_impl(uhd::transport::zero_copy_if::sptr xport) - { - _xport = xport; - } - - void ad9361_transact(const unsigned char in_buff[AD9361_DISPATCH_PACKET_SIZE], unsigned char out_buff[AD9361_DISPATCH_PACKET_SIZE]) - { - { - uhd::transport::managed_send_buffer::sptr buff = _xport->get_send_buff(10.0); - if (not buff or buff->size() < AD9361_DISPATCH_PACKET_SIZE) throw std::runtime_error("ad9361_ctrl_over_zc send timeout"); - std::memcpy(buff->cast<void *>(), in_buff, AD9361_DISPATCH_PACKET_SIZE); - buff->commit(AD9361_DISPATCH_PACKET_SIZE); - } - { - uhd::transport::managed_recv_buffer::sptr buff = _xport->get_recv_buff(10.0); - if (not buff or buff->size() < AD9361_DISPATCH_PACKET_SIZE) throw std::runtime_error("ad9361_ctrl_over_zc recv timeout"); - std::memcpy(out_buff, buff->cast<const void *>(), AD9361_DISPATCH_PACKET_SIZE); - } - } - - uint64_t get_device_handle() - { - return 0; //Unused for zero-copy transport because chip class is in FW - } - -private: - uhd::transport::zero_copy_if::sptr _xport; -}; - -//---------------------------------------------------------------------- -//Over a software transport -//---------------------------------------------------------------------- -class ad9361_ctrl_transport_sw_spi_impl : public ad9361_ctrl_transport -{ -public: - ad9361_ctrl_transport_sw_spi_impl( - ad9361_product_t product, - uhd::spi_iface::sptr spi_iface, - boost::uint32_t slave_num) : - _io_iface(spi_iface, slave_num) - { - _device.product = product; - _device.io_iface = reinterpret_cast<void*>(&_io_iface); - } - - void ad9361_transact(const unsigned char in_buff[AD9361_DISPATCH_PACKET_SIZE], unsigned char out_buff[AD9361_DISPATCH_PACKET_SIZE]) - { - ad9361_dispatch((const char*)in_buff, (char*)out_buff); - } - - uint64_t get_device_handle() - { - return reinterpret_cast<uint64_t>(reinterpret_cast<void*>(&_device)); - } - -private: - ad9361_device_t _device; - ad9361_io_spi _io_iface; -}; - -//---------------------------------------------------------------------- -// Make an instance of the AD9361 Transport -//---------------------------------------------------------------------- -ad9361_ctrl_transport::sptr ad9361_ctrl_transport::make_zero_copy(uhd::transport::zero_copy_if::sptr xport) -{ - return sptr(new ad9361_ctrl_transport_zc_impl(xport)); -} - -ad9361_ctrl_transport::sptr ad9361_ctrl_transport::make_software_spi( - ad9361_product_t product, - uhd::spi_iface::sptr spi_iface, - boost::uint32_t slave_num) -{ - return sptr(new ad9361_ctrl_transport_sw_spi_impl(product, spi_iface, slave_num)); -} - -/*********************************************************************** - * AD9361 Software API Class + * AD9361 Control API Class **********************************************************************/ class ad9361_ctrl_impl : public ad9361_ctrl { public: - ad9361_ctrl_impl(ad9361_ctrl_transport::sptr iface): - _iface(iface), _seq(0) + ad9361_ctrl_impl(ad9361_params::sptr client_settings, ad9361_io::sptr io_iface): + _device(client_settings, io_iface) { - ad9361_transaction_t request; - - request.action = AD9361_ACTION_ECHO; - this->do_transaction(request); - - request.action = AD9361_ACTION_INIT; - this->do_transaction(request); + _device.initialize(); } double set_gain(const std::string &which, const double value) { - ad9361_transaction_t request; - - if (which == "RX1") request.action = AD9361_ACTION_SET_RX1_GAIN; - if (which == "RX2") request.action = AD9361_ACTION_SET_RX2_GAIN; - if (which == "TX1") request.action = AD9361_ACTION_SET_TX1_GAIN; - if (which == "TX2") request.action = AD9361_ACTION_SET_TX2_GAIN; + boost::lock_guard<boost::mutex> lock(_mutex); - ad9361_double_pack(value, request.value.gain); - const ad9361_transaction_t reply = this->do_transaction(request); - return ad9361_double_unpack(reply.value.gain); + ad9361_device_t::direction_t direction = _get_direction_from_antenna(which); + ad9361_device_t::chain_t chain =_get_chain_from_antenna(which); + return _device.set_gain(direction, chain, value); } //! set a new clock rate, return the exact value double set_clock_rate(const double rate) { + boost::lock_guard<boost::mutex> lock(_mutex); + //warning for known trouble rates if (rate > 56e6) UHD_MSG(warning) << boost::format( "The requested clock rate %f MHz may cause slow configuration.\n" @@ -202,110 +109,76 @@ public: const meta_range_t clock_rate_range = ad9361_ctrl::get_clock_rate_range(); const double clipped_rate = clock_rate_range.clip(rate); - ad9361_transaction_t request; - request.action = AD9361_ACTION_SET_CLOCK_RATE; - ad9361_double_pack(clipped_rate, request.value.rate); - const ad9361_transaction_t reply = this->do_transaction(request); - return ad9361_double_unpack(reply.value.rate); + return _device.set_clock_rate(clipped_rate); } //! set which RX and TX chains/antennas are active void set_active_chains(bool tx1, bool tx2, bool rx1, bool rx2) { - boost::uint32_t mask = 0; - if (tx1) mask |= (1 << 0); - if (tx2) mask |= (1 << 1); - if (rx1) mask |= (1 << 2); - if (rx2) mask |= (1 << 3); - - ad9361_transaction_t request; - request.action = AD9361_ACTION_SET_ACTIVE_CHAINS; - request.value.enable_mask = mask; - this->do_transaction(request); + boost::lock_guard<boost::mutex> lock(_mutex); + + _device.set_active_chains(tx1, tx2, rx1, rx2); } //! tune the given frontend, return the exact value double tune(const std::string &which, const double freq) { + boost::lock_guard<boost::mutex> lock(_mutex); + //clip to known bounds const meta_range_t freq_range = ad9361_ctrl::get_rf_freq_range(); const double clipped_freq = freq_range.clip(freq); - - ad9361_transaction_t request; - - if (which[0] == 'R') request.action = AD9361_ACTION_SET_RX_FREQ; - if (which[0] == 'T') request.action = AD9361_ACTION_SET_TX_FREQ; - const double value = ad9361_ctrl::get_rf_freq_range().clip(clipped_freq); - ad9361_double_pack(value, request.value.freq); - const ad9361_transaction_t reply = this->do_transaction(request); - return ad9361_double_unpack(reply.value.freq); + + ad9361_device_t::direction_t direction = _get_direction_from_antenna(which); + return _device.tune(direction, value); } //! turn on/off Catalina's data port loopback void data_port_loopback(const bool on) { - ad9361_transaction_t request; - request.action = AD9361_ACTION_SET_CODEC_LOOP; - request.value.codec_loop = on? 1 : 0; - this->do_transaction(request); - } - - ad9361_transaction_t do_transaction(const ad9361_transaction_t &request) - { - boost::mutex::scoped_lock lock(_mutex); - - //declare in/out buffers - unsigned char in_buff[AD9361_DISPATCH_PACKET_SIZE] = {}; - unsigned char out_buff[AD9361_DISPATCH_PACKET_SIZE] = {}; - - //copy the input transaction - std::memcpy(in_buff, &request, sizeof(request)); - - //fill in other goodies - ad9361_transaction_t *in = (ad9361_transaction_t *)in_buff; - in->handle = _iface->get_device_handle(); - in->version = AD9361_TRANSACTION_VERSION; - in->sequence = _seq++; + boost::lock_guard<boost::mutex> lock(_mutex); - //initialize error message to "no error" - std::memset(in->error_msg, 0, AD9361_TRANSACTION_MAX_ERROR_MSG); - - //transact - _iface->ad9361_transact(in_buff, out_buff); - ad9361_transaction_t *out = (ad9361_transaction_t *)out_buff; - - //sanity checks - UHD_ASSERT_THROW(out->version == in->version); - UHD_ASSERT_THROW(out->sequence == in->sequence); - - //handle errors - const size_t len = my_strnlen(out->error_msg, AD9361_TRANSACTION_MAX_ERROR_MSG); - const std::string error_msg(out->error_msg, len); - if (not error_msg.empty()) throw uhd::runtime_error("[ad9361_ctrl::do_transaction] firmware reported: \"" + error_msg + "\""); - - //return result done! - return *out; + _device.data_port_loopback(on); } private: - //! compat strnlen for platforms that dont have it - static size_t my_strnlen(const char *str, size_t max) + static ad9361_device_t::direction_t _get_direction_from_antenna(const std::string& antenna) + { + std::string sub = antenna.substr(0, 2); + if (sub == "RX") { + return ad9361_device_t::RX; + } else if (sub == "TX") { + return ad9361_device_t::RX; + } else { + throw uhd::runtime_error("ad9361_ctrl got an invalid channel string."); + } + return ad9361_device_t::RX; + } + + static ad9361_device_t::chain_t _get_chain_from_antenna(const std::string& antenna) { - const char *end = (const char *)std::memchr((const void *)str, 0, max); - if (end == NULL) return max; - return (size_t)(end - str); + std::string sub = antenna.substr(2, 1); + if (sub == "1") { + return ad9361_device_t::CHAIN_1; + } else if (sub == "2") { + return ad9361_device_t::CHAIN_2; + } else { + throw uhd::runtime_error("ad9361_ctrl::set_gain got an invalid channel string."); + } + return ad9361_device_t::CHAIN_1; } - ad9361_ctrl_transport::sptr _iface; - size_t _seq; - boost::mutex _mutex; + ad9361_device_t _device; + boost::mutex _mutex; }; //---------------------------------------------------------------------- // Make an instance of the AD9361 Control interface //---------------------------------------------------------------------- -ad9361_ctrl::sptr ad9361_ctrl::make(ad9361_ctrl_transport::sptr iface) +ad9361_ctrl::sptr ad9361_ctrl::make_spi( + ad9361_params::sptr client_settings, uhd::spi_iface::sptr spi_iface, uint32_t slave_num) { - return sptr(new ad9361_ctrl_impl(iface)); + boost::shared_ptr<ad9361_io_spi> spi_io_iface = boost::make_shared<ad9361_io_spi>(spi_iface, slave_num); + return sptr(new ad9361_ctrl_impl(client_settings, spi_io_iface)); } diff --git a/host/lib/usrp/common/ad9361_ctrl.hpp b/host/lib/usrp/common/ad9361_ctrl.hpp index 4a920a73f..3b8738c51 100644 --- a/host/lib/usrp/common/ad9361_ctrl.hpp +++ b/host/lib/usrp/common/ad9361_ctrl.hpp @@ -12,40 +12,12 @@ #include <ad9361_device.h> #include <string> #include <stdint.h> -#include "ad9361_transaction.h" static const double AD9361_CLOCK_RATE_MAX = 61.44e6; static const double AD9361_1_CHAN_CLOCK_RATE_MAX = AD9361_CLOCK_RATE_MAX; static const double AD9361_2_CHAN_CLOCK_RATE_MAX = (AD9361_1_CHAN_CLOCK_RATE_MAX / 2); -/*********************************************************************** - * AD9361 Transport Interface - **********************************************************************/ -class ad9361_io -{ -public: - virtual uint8_t peek8(uint32_t reg) = 0; - virtual void poke8(uint32_t reg, uint8_t val) = 0; -}; - -/*********************************************************************** - * AD9361 Transport Interface - **********************************************************************/ -class ad9361_ctrl_transport -{ -public: - typedef boost::shared_ptr<ad9361_ctrl_transport> sptr; - - virtual uint64_t get_device_handle() = 0; - virtual void ad9361_transact(const unsigned char in_buff[AD9361_DISPATCH_PACKET_SIZE], unsigned char out_buff[AD9361_DISPATCH_PACKET_SIZE]) = 0; - - static ad9361_ctrl_transport::sptr make_zero_copy( - uhd::transport::zero_copy_if::sptr xport); - static ad9361_ctrl_transport::sptr make_software_spi( - ad9361_product_t product, - uhd::spi_iface::sptr spi_iface, - boost::uint32_t slave_num); -}; +namespace uhd { namespace usrp { /*********************************************************************** * AD9361 Control Interface @@ -56,7 +28,8 @@ public: typedef boost::shared_ptr<ad9361_ctrl> sptr; //! make a new codec control object - static sptr make(ad9361_ctrl_transport::sptr iface); + static sptr make_spi( + ad9361_params::sptr client_settings, uhd::spi_iface::sptr spi_iface, uint32_t slave_num); //! Get a list of gain names for RX or TX static std::vector<std::string> get_gain_names(const std::string &/*which*/) @@ -115,4 +88,6 @@ public: virtual void data_port_loopback(const bool on) = 0; }; +}} + #endif /* INCLUDED_AD9361_CTRL_HPP */ diff --git a/host/lib/usrp/common/ad9361_driver/ad9361_client.h b/host/lib/usrp/common/ad9361_driver/ad9361_client.h index 300fdb2a5..fa501b615 100644 --- a/host/lib/usrp/common/ad9361_driver/ad9361_client.h +++ b/host/lib/usrp/common/ad9361_driver/ad9361_client.h @@ -2,15 +2,13 @@ // Copyright 2014 Ettus Research LLC // -#ifndef INCLUDED_AD9361_CLIENT_SETTINGS_H -#define INCLUDED_AD9361_CLIENT_SETTINGS_H +#ifndef INCLUDED_AD9361_CLIENT_H +#define INCLUDED_AD9361_CLIENT_H #include <stdint.h> -#include <ad9361_device.h> +#include <boost/shared_ptr.hpp> -#ifdef __cplusplus -extern "C" { -#endif +namespace uhd { namespace usrp { /*! * Frequency band settings @@ -21,8 +19,6 @@ typedef enum { AD9361_TX_BAND0 } frequency_band_t; -double ad9361_client_get_band_edge(ad9361_product_t product, frequency_band_t band); - /*! * Clocking mode */ @@ -31,8 +27,6 @@ typedef enum { AD9361_XTAL_N_CLK_PATH } clocking_mode_t; -clocking_mode_t ad9361_client_get_clocking_mode(ad9361_product_t product); - /*! * Digital interface specific */ @@ -41,8 +35,9 @@ typedef enum { AD9361_DDR_FDD_LVDS } digital_interface_mode_t; -digital_interface_mode_t ad9361_client_get_digital_interface_mode(ad9361_product_t product); - +/*! + * Interface timing + */ typedef struct { uint8_t rx_clk_delay; uint8_t rx_data_delay; @@ -50,10 +45,30 @@ typedef struct { uint8_t tx_data_delay; } digital_interface_delays_t; -digital_interface_delays_t ad9361_client_get_digital_interface_timing(ad9361_product_t product); +class ad9361_params { +public: + typedef boost::shared_ptr<ad9361_params> sptr; + + virtual ~ad9361_params() {} + + virtual digital_interface_delays_t get_digital_interface_timing() = 0; + virtual digital_interface_mode_t get_digital_interface_mode() = 0; + virtual clocking_mode_t get_clocking_mode() = 0; + virtual double get_band_edge(frequency_band_t band) = 0; +}; + +class ad9361_io +{ +public: + typedef boost::shared_ptr<ad9361_io> sptr; + + virtual ~ad9361_io() {} + + virtual uint8_t peek8(uint32_t reg) = 0; + virtual void poke8(uint32_t reg, uint8_t val) = 0; +}; + -#ifdef __cplusplus -} -#endif +}} -#endif /* INCLUDED_AD9361_CLIENT_SETTINGS_H */ +#endif /* INCLUDED_AD9361_CLIENT_H */ diff --git a/host/lib/usrp/common/ad9361_driver/ad9361_device.h b/host/lib/usrp/common/ad9361_driver/ad9361_device.h index 0cb4b32a4..f54e04473 100644 --- a/host/lib/usrp/common/ad9361_driver/ad9361_device.h +++ b/host/lib/usrp/common/ad9361_driver/ad9361_device.h @@ -2,52 +2,118 @@ // Copyright 2014 Ettus Research LLC // -#ifndef INCLUDED_AD9361_CHIP_H -#define INCLUDED_AD9361_CHIP_H +#ifndef INCLUDED_AD9361_DEVICE_H +#define INCLUDED_AD9361_DEVICE_H #include <stdint.h> +#include <ad9361_client.h> +#include <boost/noncopyable.hpp> -#ifdef __cplusplus -extern "C" { -#endif - -typedef enum { - AD9361_GENERIC, AD9361_B200 -} ad9361_product_t; - -//////////////////////////////////////////////////////////// -// shadow registers -typedef struct { - uint8_t vcodivs; - uint8_t inputsel; - uint8_t rxfilt; - uint8_t txfilt; - uint8_t bbpll; - uint8_t bbftune_config; - uint8_t bbftune_mode; -} ad9361_chip_regs_t; - -//////////////////////////////////////////////////////////// -// other private data fields for VRQ handler -typedef struct { - //Product - ad9361_product_t product; +namespace uhd { namespace usrp { + +class ad9361_device_t : public boost::noncopyable +{ +public: + enum direction_t { RX, TX }; + enum chain_t { CHAIN_1, CHAIN_2 }; + + ad9361_device_t(ad9361_params::sptr client, ad9361_io::sptr io_iface) : + _client_params(client), _io_iface(io_iface) {} + + /* Initialize the AD9361 codec. */ + void initialize(); + + /* This function sets the RX / TX rate between AD9361 and the FPGA, and + * thus determines the interpolation / decimation required in the FPGA to + * achieve the user's requested rate. + */ + double set_clock_rate(const double req_rate); + + /* Set which of the four TX / RX chains provided by AD9361 are active. + * + * AD9361 provides two sets of chains, Side A and Side B. Each side + * provides one TX antenna, and one RX antenna. The B200 maintains the USRP + * standard of providing one antenna connection that is both TX & RX, and + * one that is RX-only - for each chain. Thus, the possible antenna and + * chain selections are: + * + */ + void set_active_chains(bool tx1, bool tx2, bool rx1, bool rx2); + + /* Tune the RX or TX frequency. + * + * This is the publicly-accessible tune function. It makes sure the tune + * isn't a redundant request, and if not, passes it on to the class's + * internal tune function. + * + * After tuning, it runs any appropriate calibrations. */ + double tune(direction_t direction, const double value); + + /* Set the gain of RX1, RX2, TX1, or TX2. + * + * Note that the 'value' passed to this function is the actual gain value, + * _not_ the gain index. This is the opposite of the eval software's GUI! + * Also note that the RX chains are done in terms of gain, and the TX chains + * are done in terms of attenuation. */ + double set_gain(direction_t direction, chain_t chain, const double value); + + /* Make AD9361 output its test tone. */ + void output_test_tone(); + + /* Turn on/off AD9361's TX port --> RX port loopback. */ + void data_port_loopback(const bool loopback_enabled); + +private: //Methods + void _program_fir_filter(direction_t direction, int num_taps, uint16_t *coeffs); + void _setup_tx_fir(size_t num_taps); + void _setup_rx_fir(size_t num_taps); + void _calibrate_lock_bbpll(); + void _calibrate_synth_charge_pumps(); + double _calibrate_baseband_rx_analog_filter(); + double _calibrate_baseband_tx_analog_filter(); + void _calibrate_secondary_tx_filter(); + void _calibrate_rx_TIAs(); + void _setup_adc(); + void _calibrate_baseband_dc_offset(); + void _calibrate_rf_dc_offset(); + void _calibrate_rx_quadrature(); + void _tx_quadrature_cal_routine(); + void _calibrate_tx_quadrature(); + void _program_mixer_gm_subtable(); + void _program_gain_table(); + void _setup_gain_control(); + void _setup_synth(direction_t direction, double vcorate); + double _tune_bbvco(const double rate); + void _reprogram_gains(); + double _tune_helper(direction_t direction, const double value); + double _setup_rates(const double rate); + +private: //Members + typedef struct { + uint8_t vcodivs; + uint8_t inputsel; + uint8_t rxfilt; + uint8_t txfilt; + uint8_t bbpll; + uint8_t bbftune_config; + uint8_t bbftune_mode; + } chip_regs_t; + + //Interfaces + ad9361_params::sptr _client_params; + ad9361_io::sptr _io_iface; //Intermediate state - double rx_freq, tx_freq, req_rx_freq, req_tx_freq; - double baseband_bw, bbpll_freq, adcclock_freq; - double req_clock_rate, req_coreclk; - uint16_t rx_bbf_tunediv; - uint8_t curr_gain_table; - uint32_t rx1_gain, rx2_gain, tx1_gain, tx2_gain; - int32_t tfir_factor; + double _rx_freq, _tx_freq, _req_rx_freq, _req_tx_freq; + double _baseband_bw, _bbpll_freq, _adcclock_freq; + double _req_clock_rate, _req_coreclk; + uint16_t _rx_bbf_tunediv; + uint8_t _curr_gain_table; + uint32_t _rx1_gain, _rx2_gain, _tx1_gain, _tx2_gain; + int32_t _tfir_factor; //Register soft-copies - ad9361_chip_regs_t regs; - //IO Interface - void* io_iface; -} ad9361_device_t; + chip_regs_t _regs; +}; -#ifdef __cplusplus -} -#endif +}} //namespace -#endif /* INCLUDED_AD9361_CHIP_H */ +#endif /* INCLUDED_AD9361_DEVICE_H */ diff --git a/host/lib/usrp/common/ad9361_driver/ad9361_dispatch.h b/host/lib/usrp/common/ad9361_driver/ad9361_dispatch.h deleted file mode 100644 index 552405763..000000000 --- a/host/lib/usrp/common/ad9361_driver/ad9361_dispatch.h +++ /dev/null @@ -1,24 +0,0 @@ -// -// Copyright 2014 Ettus Research LLC -// - -#ifndef INCLUDED_AD9361_DISPATCH_H -#define INCLUDED_AD9361_DISPATCH_H - -#ifdef __cplusplus -extern "C" { -#endif - -#include <ad9361_transaction.h> - -extern void ad9361_dispatch(const char* request, char* response); - -typedef void (*msgfn)(const char*, ...); - -extern void ad9361_set_msgfn(msgfn pfn); - -#ifdef __cplusplus -} -#endif - -#endif /* INCLUDED_AD9361_DISPATCH_H */ diff --git a/host/lib/usrp/common/ad9361_driver/ad9361_impl.c b/host/lib/usrp/common/ad9361_driver/ad9361_impl.c index fab906e6f..1e1e51412 100644 --- a/host/lib/usrp/common/ad9361_driver/ad9361_impl.c +++ b/host/lib/usrp/common/ad9361_driver/ad9361_impl.c @@ -3,43 +3,32 @@ // #include <stdarg.h> +#include <stdint.h> #include <stdio.h> -#ifdef __cplusplus -#include <string.h> -static int lround(double dbl) { return static_cast<int>(dbl+0.5); } -using namespace std; -#else -#include <stdbool.h> -#include <math.h> -#endif +#include <cstring> +#include <cmath> #include <iostream> -#include <ad9361_transaction.h> #include "ad9361_filter_taps.h" #include "ad9361_gain_tables.h" #include "ad9361_synth_lut.h" -#include "ad9361_dispatch.h" -#include "ad9361_platform.h" //Platform specific operations #include "ad9361_client.h" //Client (product) specific settings #include "ad9361_device.h" +#include <boost/date_time/posix_time/posix_time.hpp> +#include <boost/thread/thread.hpp> +#include <boost/scoped_array.hpp> #define AD9361_MIN(a, b) (((a) < (b)) ? (a) : (b)) #define AD9361_MAX(a, b) (((a) > (b)) ? (a) : (b)) -//////////////////////////////////////////////////////////// +#define msg +#define post_err_msg(x) -static void fake_msg(const char* str, ...) -{ - (void) str; +inline int floor_to_int(double val) { + return static_cast<int>(std::floor(val)); } -static msgfn _msgfn = fake_msg; - -//extern void msg(const char* str, ...); External object must provide this symbol -#define msg (_msgfn) - -void ad9361_set_msgfn(msgfn pfn) -{ - _msgfn = pfn; +inline int ceil_to_int(double val) { + return static_cast<int>(std::ceil(val)); } //////////////////////////////////////////////////////////// @@ -48,9 +37,6 @@ void ad9361_set_msgfn(msgfn pfn) #define DOUBLE_PI 3.14159265359 #define DOUBLE_LN_2 0.693147181 -#define RX_TYPE 0 -#define TX_TYPE 1 - //////////////////////////////////////////////////////////// // the following macros evaluate to a compile time constant // macros By Tom Torfs - donated to the public domain @@ -73,40 +59,24 @@ void ad9361_set_msgfn(msgfn pfn) /* *** user macros *** */ +namespace uhd { namespace usrp { + /* for upto 8-bit binary constants */ #define B8(d) ((unsigned char)B8__(HEX__(d))) -double set_gain(uint64_t handle, int which, int n, const double value); -void set_active_chains(uint64_t handle, bool tx1, bool tx2, bool rx1, bool rx2); -/*********************************************************************** - * Placeholders, unused, or test functions - **********************************************************************/ -static char *tmp_req_buffer; -void post_err_msg( const char* error) +void ad9361_device_t::output_test_tone() { - msg("[AD9361 error] %s", error); - if (!tmp_req_buffer) - return; - - ad9361_transaction_t *request = (ad9361_transaction_t *)tmp_req_buffer; - strncpy(request->error_msg, error, (AD9361_TRANSACTION_MAX_ERROR_MSG + 1)); // '+ 1' as length excludes terminating NUL - request->error_msg[AD9361_TRANSACTION_MAX_ERROR_MSG] = '\0'; // If string was too long, NUL will not be copied, so force one just in case -} - -/* Make AD9361 output its test tone. */ -void output_test_tone(ad9361_device_t* device) { /* Output a 480 kHz tone at 800 MHz */ - write_ad9361_reg(device, 0x3F4, 0x0B); - write_ad9361_reg(device, 0x3FC, 0xFF); - write_ad9361_reg(device, 0x3FD, 0xFF); - write_ad9361_reg(device, 0x3FE, 0x3F); + _io_iface->poke8(0x3F4, 0x0B); + _io_iface->poke8(0x3FC, 0xFF); + _io_iface->poke8(0x3FD, 0xFF); + _io_iface->poke8(0x3FE, 0x3F); } -/* Turn on/off AD9361's TX port --> RX port loopback. */ -void data_port_loopback(uint64_t handle, const int on) { - ad9361_device_t* device = get_ad9361_device(handle); - msg("[data_port_loopback] Enabled: %d", on); - write_ad9361_reg(device, 0x3F5, (on ? 0x01 : 0x00)); +void ad9361_device_t::data_port_loopback(const bool loopback_enabled) +{ + msg("[data_port_loopback] Enabled: %d", loopback_enabled); + _io_iface->poke8(0x3F5, (loopback_enabled ? 0x01 : 0x00)); } /* This is a simple comparison for very large double-precision floating @@ -146,110 +116,112 @@ int get_num_taps(int max_num_taps) { * how many taps are in the filter, and given a vector of the taps * themselves. */ -void program_fir_filter(ad9361_device_t* device, int which, int num_taps, uint16_t *coeffs) { - uint16_t base; +void ad9361_device_t::_program_fir_filter(direction_t direction, int num_taps, uint16_t *coeffs) +{ + uint16_t base; - /* RX and TX filters use largely identical sets of programming registers. + /* RX and TX filters use largely identical sets of programming registers. Select the appropriate bank of registers here. */ - if(which == RX_TYPE) { - base = 0x0f0; - } else { - base = 0x060; - } - - /* Encode number of filter taps for programming register */ - uint8_t reg_numtaps = (((num_taps / 16) - 1) & 0x07) << 5; - - /* Turn on the filter clock. */ - write_ad9361_reg(device, base+5, reg_numtaps | 0x1a); - ad9361_msleep(1); - - /* Zero the unused taps just in case they have stale data */ - int addr; - for(addr=num_taps; addr < 128; addr++) { - write_ad9361_reg(device, base+0, addr); - write_ad9361_reg(device, base+1, 0x0); - write_ad9361_reg(device, base+2, 0x0); - write_ad9361_reg(device, base+5, reg_numtaps | 0x1e); - write_ad9361_reg(device, base+4, 0x00); - write_ad9361_reg(device, base+4, 0x00); + if (direction == RX) { + base = 0x0f0; + } else { + base = 0x060; + } + + /* Encode number of filter taps for programming register */ + uint8_t reg_numtaps = (((num_taps / 16) - 1) & 0x07) << 5; + + /* Turn on the filter clock. */ + _io_iface->poke8(base + 5, reg_numtaps | 0x1a); + boost::this_thread::sleep(boost::posix_time::milliseconds(1)); + + /* Zero the unused taps just in case they have stale data */ + int addr; + for (addr = num_taps; addr < 128; addr++) { + _io_iface->poke8(base + 0, addr); + _io_iface->poke8(base + 1, 0x0); + _io_iface->poke8(base + 2, 0x0); + _io_iface->poke8(base + 5, reg_numtaps | 0x1e); + _io_iface->poke8(base + 4, 0x00); + _io_iface->poke8(base + 4, 0x00); } - /* Iterate through indirect programming of filter coeffs using ADI recomended procedure */ - for(addr=0; addr < num_taps; addr++) { - write_ad9361_reg(device, base+0, addr); - write_ad9361_reg(device, base+1, (coeffs[addr]) & 0xff); - write_ad9361_reg(device, base+2, (coeffs[addr] >> 8) & 0xff); - write_ad9361_reg(device, base+5, reg_numtaps | 0x1e); - write_ad9361_reg(device, base+4, 0x00); - write_ad9361_reg(device, base+4, 0x00); + /* Iterate through indirect programming of filter coeffs using ADI recomended procedure */ + for (addr = 0; addr < num_taps; addr++) { + _io_iface->poke8(base + 0, addr); + _io_iface->poke8(base + 1, (coeffs[addr]) & 0xff); + _io_iface->poke8(base + 2, (coeffs[addr] >> 8) & 0xff); + _io_iface->poke8(base + 5, reg_numtaps | 0x1e); + _io_iface->poke8(base + 4, 0x00); + _io_iface->poke8(base + 4, 0x00); } /* UG-671 states (page 25) (paraphrased and clarified): - " After the table has been programmed, write to register BASE+5 with the write bit D2 cleared and D1 high. - Then, write to register BASE+5 again with D1 clear, thus ensuring that the write bit resets internally - before the clock stops. Wait 4 sample clock periods after setting D2 high while that data writes into the table" - */ - - write_ad9361_reg(device, base+5, reg_numtaps | 0x1A); - if(which == RX_TYPE) { - write_ad9361_reg(device, base+5, reg_numtaps | 0x18); - write_ad9361_reg(device, base+6, 0x02); /* Also turn on -6dB Rx gain here, to stop filter overfow.*/ - } else { - write_ad9361_reg(device, base+5, reg_numtaps | 0x19); /* Also turn on -6dB Tx gain here, to stop filter overfow.*/ - } + " After the table has been programmed, write to register BASE+5 with the write bit D2 cleared and D1 high. + Then, write to register BASE+5 again with D1 clear, thus ensuring that the write bit resets internally + before the clock stops. Wait 4 sample clock periods after setting D2 high while that data writes into the table" + */ + + _io_iface->poke8(base + 5, reg_numtaps | 0x1A); + if (direction == RX) { + _io_iface->poke8(base + 5, reg_numtaps | 0x18); + _io_iface->poke8(base + 6, 0x02); /* Also turn on -6dB Rx gain here, to stop filter overfow.*/ + } else { + _io_iface->poke8(base + 5, reg_numtaps | 0x19); /* Also turn on -6dB Tx gain here, to stop filter overfow.*/ + } } - /* Program the RX FIR Filter. */ -void setup_rx_fir(ad9361_device_t* device, int total_num_taps) { - int num_taps = total_num_taps; -#ifdef __cplusplus - uint16_t* coeffs = new uint16_t[num_taps]; -#else - uint16_t coeffs[num_taps]; -#endif - int i; - for(i = 0; i < num_taps; i++) { - switch(num_taps) { - case 128: coeffs[i] = (uint16_t)hb127_coeffs[i]; break; - case 96: coeffs[i] = (uint16_t)hb95_coeffs[i]; break; - case 64: coeffs[i] = (uint16_t)hb63_coeffs[i]; break; - case 48: coeffs[i] = (uint16_t)hb47_coeffs[i]; break; - default: post_err_msg("Unsupported number of Rx FIR taps."); - } +void ad9361_device_t::_setup_rx_fir(size_t num_taps) +{ + boost::scoped_array<boost::uint16_t> coeffs(new boost::uint16_t[num_taps]); + for (size_t i = 0; i < num_taps; i++) { + switch (num_taps) { + case 128: + coeffs[i] = (uint16_t) hb127_coeffs[i]; + break; + case 96: + coeffs[i] = (uint16_t) hb95_coeffs[i]; + break; + case 64: + coeffs[i] = (uint16_t) hb63_coeffs[i]; + break; + case 48: + coeffs[i] = (uint16_t) hb47_coeffs[i]; + break; + default: + post_err_msg("Unsupported number of Rx FIR taps."); + } } - program_fir_filter(device, RX_TYPE, total_num_taps, coeffs); -#ifdef __cplusplus - delete[] coeffs; -#endif + _program_fir_filter(RX, num_taps, coeffs.get()); } /* Program the TX FIR Filter. */ -void setup_tx_fir(ad9361_device_t* device, int total_num_taps) { - int num_taps = total_num_taps; -#ifdef __cplusplus - uint16_t* coeffs = new uint16_t[num_taps]; -#else - uint16_t coeffs[num_taps]; -#endif - int i; - for(i = 0; i < num_taps; i++) { - switch(num_taps) { - case 128: coeffs[i] = (uint16_t)hb127_coeffs[i]; break; - case 96: coeffs[i] = (uint16_t)hb95_coeffs[i]; break; - case 64: coeffs[i] = (uint16_t)hb63_coeffs[i]; break; - case 48: coeffs[i] = (uint16_t)hb47_coeffs[i]; break; - default: post_err_msg("Unsupported number of Tx FIR taps."); - } +void ad9361_device_t::_setup_tx_fir(size_t num_taps) +{ + boost::scoped_array<boost::uint16_t> coeffs(new boost::uint16_t[num_taps]); + for (size_t i = 0; i < num_taps; i++) { + switch (num_taps) { + case 128: + coeffs[i] = (uint16_t) hb127_coeffs[i]; + break; + case 96: + coeffs[i] = (uint16_t) hb95_coeffs[i]; + break; + case 64: + coeffs[i] = (uint16_t) hb63_coeffs[i]; + break; + case 48: + coeffs[i] = (uint16_t) hb47_coeffs[i]; + break; + default: + post_err_msg("Unsupported number of Tx FIR taps."); + } } - program_fir_filter(device, TX_TYPE, total_num_taps, coeffs); -#ifdef __cplusplus - delete[] coeffs; -#endif + _program_fir_filter(TX, num_taps, coeffs.get()); } /*********************************************************************** @@ -259,25 +231,25 @@ void setup_tx_fir(ad9361_device_t* device, int total_num_taps) { /* Calibrate and lock the BBPLL. * * This function should be called anytime the BBPLL is tuned. */ -void calibrate_lock_bbpll(ad9361_device_t* device) { - write_ad9361_reg(device, 0x03F, 0x05); // Start the BBPLL calibration - write_ad9361_reg(device, 0x03F, 0x01); // Clear the 'start' bit +void ad9361_device_t::_calibrate_lock_bbpll() +{ + _io_iface->poke8(0x03F, 0x05); // Start the BBPLL calibration + _io_iface->poke8(0x03F, 0x01); // Clear the 'start' bit /* Increase BBPLL KV and phase margin. */ - write_ad9361_reg(device, 0x04c, 0x86); - write_ad9361_reg(device, 0x04d, 0x01); - write_ad9361_reg(device, 0x04d, 0x05); + _io_iface->poke8(0x04c, 0x86); + _io_iface->poke8(0x04d, 0x01); + _io_iface->poke8(0x04d, 0x05); /* Wait for BBPLL lock. */ - int count = 0; - while(!(read_ad9361_reg(device, 0x05e) & 0x80)) { - if(count > 1000) { + size_t count = 0; + while (!(_io_iface->peek8(0x05e) & 0x80)) { + if (count > 1000) { post_err_msg("BBPLL not locked"); break; } - count++; - ad9361_msleep(2); + boost::this_thread::sleep(boost::posix_time::milliseconds(2)); } } @@ -285,40 +257,39 @@ void calibrate_lock_bbpll(ad9361_device_t* device) { * * Technically, this calibration only needs to be done once, at device * initialization. */ -void calibrate_synth_charge_pumps(ad9361_device_t* device) { +void ad9361_device_t::_calibrate_synth_charge_pumps() +{ /* If this function ever gets called, and the ENSM isn't already in the * ALERT state, then something has gone horribly wrong. */ - if((read_ad9361_reg(device, 0x017) & 0x0F) != 5) { + if ((_io_iface->peek8(0x017) & 0x0F) != 5) { post_err_msg("AD9361 not in ALERT during cal"); } /* Calibrate the RX synthesizer charge pump. */ - int count = 0; - write_ad9361_reg(device, 0x23d, 0x04); - while(!(read_ad9361_reg(device, 0x244) & 0x80)) { - if(count > 5) { + size_t count = 0; + _io_iface->poke8(0x23d, 0x04); + while (!(_io_iface->peek8(0x244) & 0x80)) { + if (count > 5) { post_err_msg("RX charge pump cal failure"); break; } - count++; - ad9361_msleep(1); + boost::this_thread::sleep(boost::posix_time::milliseconds(1)); } - write_ad9361_reg(device, 0x23d, 0x00); + _io_iface->poke8(0x23d, 0x00); /* Calibrate the TX synthesizer charge pump. */ count = 0; - write_ad9361_reg(device, 0x27d, 0x04); - while(!(read_ad9361_reg(device, 0x284) & 0x80)) { - if(count > 5) { + _io_iface->poke8(0x27d, 0x04); + while (!(_io_iface->peek8(0x284) & 0x80)) { + if (count > 5) { post_err_msg("TX charge pump cal failure"); break; } - count++; - ad9361_msleep(1); + boost::this_thread::sleep(boost::posix_time::milliseconds(1)); } - write_ad9361_reg(device, 0x27d, 0x00); + _io_iface->poke8(0x27d, 0x00); } /* Calibrate the analog BB RX filter. @@ -326,59 +297,55 @@ void calibrate_synth_charge_pumps(ad9361_device_t* device) { * Note that the filter calibration depends heavily on the baseband * bandwidth, so this must be re-done after any change to the RX sample * rate. */ -double calibrate_baseband_rx_analog_filter(ad9361_device_t* device) { +double ad9361_device_t::_calibrate_baseband_rx_analog_filter() +{ /* For filter tuning, baseband BW is half the complex BW, and must be * between 28e6 and 0.2e6. */ - double bbbw = device->baseband_bw / 2.0; - if(bbbw > 28e6) { + double bbbw = _baseband_bw / 2.0; + if (bbbw > 28e6) { bbbw = 28e6; } else if (bbbw < 0.20e6) { bbbw = 0.20e6; } - double rxtune_clk = ((1.4 * bbbw * 2 * - DOUBLE_PI) / DOUBLE_LN_2); - - device->rx_bbf_tunediv = AD9361_MIN(511, ad9361_ceil_to_int(device->bbpll_freq / rxtune_clk)); - - device->regs.bbftune_config = (device->regs.bbftune_config & 0xFE) \ - | ((device->rx_bbf_tunediv >> 8) & 0x0001); + double rxtune_clk = ((1.4 * bbbw * 2 * DOUBLE_PI) / DOUBLE_LN_2); + _rx_bbf_tunediv = AD9361_MIN(511, ceil_to_int(_bbpll_freq / rxtune_clk)); + _regs.bbftune_config = (_regs.bbftune_config & 0xFE) + | ((_rx_bbf_tunediv >> 8) & 0x0001); double bbbw_mhz = bbbw / 1e6; - - double temp = ((bbbw_mhz - ad9361_floor_to_int(bbbw_mhz)) * 1000) / 7.8125; - uint8_t bbbw_khz = (uint8_t) AD9361_MIN(127, (ad9361_floor_to_int(temp + 0.5))); + double temp = ((bbbw_mhz - floor_to_int(bbbw_mhz)) * 1000) / 7.8125; + uint8_t bbbw_khz = (uint8_t) AD9361_MIN(127, (floor_to_int(temp + 0.5))); /* Set corner frequencies and dividers. */ - write_ad9361_reg(device, 0x1fb, (uint8_t)(bbbw_mhz)); - write_ad9361_reg(device, 0x1fc, bbbw_khz); - write_ad9361_reg(device, 0x1f8, (device->rx_bbf_tunediv & 0x00FF)); - write_ad9361_reg(device, 0x1f9, device->regs.bbftune_config); + _io_iface->poke8(0x1fb, (uint8_t) (bbbw_mhz)); + _io_iface->poke8(0x1fc, bbbw_khz); + _io_iface->poke8(0x1f8, (_rx_bbf_tunediv & 0x00FF)); + _io_iface->poke8(0x1f9, _regs.bbftune_config); /* RX Mix Voltage settings - only change with apps engineer help. */ - write_ad9361_reg(device, 0x1d5, 0x3f); - write_ad9361_reg(device, 0x1c0, 0x03); + _io_iface->poke8(0x1d5, 0x3f); + _io_iface->poke8(0x1c0, 0x03); /* Enable RX1 & RX2 filter tuners. */ - write_ad9361_reg(device, 0x1e2, 0x02); - write_ad9361_reg(device, 0x1e3, 0x02); + _io_iface->poke8(0x1e2, 0x02); + _io_iface->poke8(0x1e3, 0x02); /* Run the calibration! */ - int count = 0; - write_ad9361_reg(device, 0x016, 0x80); - while(read_ad9361_reg(device, 0x016) & 0x80) { - if(count > 100) { + size_t count = 0; + _io_iface->poke8(0x016, 0x80); + while (_io_iface->peek8(0x016) & 0x80) { + if (count > 100) { post_err_msg("RX baseband filter cal FAILURE"); break; } - count++; - ad9361_msleep(1); + boost::this_thread::sleep(boost::posix_time::milliseconds(1)); } /* Disable RX1 & RX2 filter tuners. */ - write_ad9361_reg(device, 0x1e2, 0x03); - write_ad9361_reg(device, 0x1e3, 0x03); + _io_iface->poke8(0x1e2, 0x03); + _io_iface->poke8(0x1e3, 0x03); return bbbw; } @@ -388,46 +355,44 @@ double calibrate_baseband_rx_analog_filter(ad9361_device_t* device) { * Note that the filter calibration depends heavily on the baseband * bandwidth, so this must be re-done after any change to the TX sample * rate. */ -double calibrate_baseband_tx_analog_filter(ad9361_device_t* device) { +double ad9361_device_t::_calibrate_baseband_tx_analog_filter() +{ /* For filter tuning, baseband BW is half the complex BW, and must be * between 28e6 and 0.2e6. */ - double bbbw = device->baseband_bw / 2.0; - if(bbbw > 20e6) { + double bbbw = _baseband_bw / 2.0; + if (bbbw > 20e6) { bbbw = 20e6; } else if (bbbw < 0.625e6) { bbbw = 0.625e6; } - double txtune_clk = ((1.6 * bbbw * 2 * - DOUBLE_PI) / DOUBLE_LN_2); - - uint16_t txbbfdiv = AD9361_MIN(511, (ad9361_ceil_to_int(device->bbpll_freq / txtune_clk))); - - device->regs.bbftune_mode = (device->regs.bbftune_mode & 0xFE) \ - | ((txbbfdiv >> 8) & 0x0001); + double txtune_clk = ((1.6 * bbbw * 2 * DOUBLE_PI) / DOUBLE_LN_2); + uint16_t txbbfdiv = AD9361_MIN(511, (ceil_to_int(_bbpll_freq / txtune_clk))); + _regs.bbftune_mode = (_regs.bbftune_mode & 0xFE) + | ((txbbfdiv >> 8) & 0x0001); /* Program the divider values. */ - write_ad9361_reg(device, 0x0d6, (txbbfdiv & 0x00FF)); - write_ad9361_reg(device, 0x0d7, device->regs.bbftune_mode); + _io_iface->poke8(0x0d6, (txbbfdiv & 0x00FF)); + _io_iface->poke8(0x0d7, _regs.bbftune_mode); /* Enable the filter tuner. */ - write_ad9361_reg(device, 0x0ca, 0x22); + _io_iface->poke8(0x0ca, 0x22); /* Calibrate! */ - int count = 0; - write_ad9361_reg(device, 0x016, 0x40); - while(read_ad9361_reg(device, 0x016) & 0x40) { - if(count > 100) { + size_t count = 0; + _io_iface->poke8(0x016, 0x40); + while (_io_iface->peek8(0x016) & 0x40) { + if (count > 100) { post_err_msg("TX baseband filter cal FAILURE"); break; } count++; - ad9361_msleep(1); + boost::this_thread::sleep(boost::posix_time::milliseconds(1)); } /* Disable the filter tuner. */ - write_ad9361_reg(device, 0x0ca, 0x26); + _io_iface->poke8(0x0ca, 0x26); return bbbw; } @@ -436,11 +401,12 @@ double calibrate_baseband_tx_analog_filter(ad9361_device_t* device) { * * This filter also depends on the TX sample rate, so if a rate change is * made, the previous calibration will no longer be valid. */ -void calibrate_secondary_tx_filter(ad9361_device_t* device) { +void ad9361_device_t::_calibrate_secondary_tx_filter() +{ /* For filter tuning, baseband BW is half the complex BW, and must be * between 20e6 and 0.53e6. */ - double bbbw = device->baseband_bw / 2.0; - if(bbbw > 20e6) { + double bbbw = _baseband_bw / 2.0; + if (bbbw > 20e6) { bbbw = 20e6; } else if (bbbw < 0.53e6) { bbbw = 0.53e6; @@ -457,27 +423,28 @@ void calibrate_secondary_tx_filter(ad9361_device_t* device) { /* Iterate through RC values to determine correct combination. */ int cap = 0; int i; - for(i = 0; i <= 3; i++) { - cap = (ad9361_floor_to_int(0.5 + (( 1 / ((corner_freq * res) * 1e6)) * 1e12))) - 12; + for (i = 0; i <= 3; i++) { + cap = (floor_to_int(0.5 + ((1 / ((corner_freq * res) * 1e6)) * 1e12))) + - 12; - if(cap <= 63) { + if (cap <= 63) { break; } res = res * 2; } - if(cap > 63) { + if (cap > 63) { cap = 63; } uint8_t reg0d0, reg0d1, reg0d2; /* Translate baseband bandwidths to register settings. */ - if((bbbw_mhz * 2) <= 9) { + if ((bbbw_mhz * 2) <= 9) { reg0d0 = 0x59; - } else if(((bbbw_mhz * 2) > 9) && ((bbbw_mhz * 2) <= 24)) { + } else if (((bbbw_mhz * 2) > 9) && ((bbbw_mhz * 2) <= 24)) { reg0d0 = 0x56; - } else if((bbbw_mhz * 2) > 24) { + } else if ((bbbw_mhz * 2) > 24) { reg0d0 = 0x57; } else { post_err_msg("Cal2ndTxFil: INVALID_CODE_PATH bad bbbw_mhz"); @@ -485,13 +452,13 @@ void calibrate_secondary_tx_filter(ad9361_device_t* device) { } /* Translate resistor values to register settings. */ - if(res == 100) { + if (res == 100) { reg0d1 = 0x0c; - } else if(res == 200) { + } else if (res == 200) { reg0d1 = 0x04; - } else if(res == 400) { + } else if (res == 400) { reg0d1 = 0x03; - } else if(res == 800) { + } else if (res == 800) { reg0d1 = 0x01; } else { reg0d1 = 0x0c; @@ -500,20 +467,20 @@ void calibrate_secondary_tx_filter(ad9361_device_t* device) { reg0d2 = cap; /* Program the above-calculated values. Sweet. */ - write_ad9361_reg(device, 0x0d2, reg0d2); - write_ad9361_reg(device, 0x0d1, reg0d1); - write_ad9361_reg(device, 0x0d0, reg0d0); + _io_iface->poke8(0x0d2, reg0d2); + _io_iface->poke8(0x0d1, reg0d1); + _io_iface->poke8(0x0d0, reg0d0); } /* Calibrate the RX TIAs. * * Note that the values in the TIA register, after calibration, vary with * the RX gain settings. */ -void calibrate_rx_TIAs(ad9361_device_t* device) { - - uint8_t reg1eb = read_ad9361_reg(device, 0x1eb) & 0x3F; - uint8_t reg1ec = read_ad9361_reg(device, 0x1ec) & 0x7F; - uint8_t reg1e6 = read_ad9361_reg(device, 0x1e6) & 0x07; +void ad9361_device_t::_calibrate_rx_TIAs() +{ + uint8_t reg1eb = _io_iface->peek8(0x1eb) & 0x3F; + uint8_t reg1ec = _io_iface->peek8(0x1ec) & 0x7F; + uint8_t reg1e6 = _io_iface->peek8(0x1e6) & 0x07; uint8_t reg1db = 0x00; uint8_t reg1dc = 0x00; uint8_t reg1dd = 0x00; @@ -522,13 +489,13 @@ void calibrate_rx_TIAs(ad9361_device_t* device) { /* For calibration, baseband BW is half the complex BW, and must be * between 28e6 and 0.2e6. */ - double bbbw = device->baseband_bw / 2.0; - if(bbbw > 20e6) { + double bbbw = _baseband_bw / 2.0; + if (bbbw > 20e6) { bbbw = 20e6; } else if (bbbw < 0.20e6) { bbbw = 0.20e6; } - double ceil_bbbw_mhz = ad9361_ceil_to_int(bbbw / 1e6); + double ceil_bbbw_mhz = ceil_to_int(bbbw / 1e6); /* Do some crazy resistor and capacitor math. */ int Cbbf = (reg1eb * 160) + (reg1ec * 10) + 140; @@ -536,25 +503,26 @@ void calibrate_rx_TIAs(ad9361_device_t* device) { double CTIA_fF = (Cbbf * R2346 * 0.56) / 3500; /* Translate baseband BW to register settings. */ - if(ceil_bbbw_mhz <= 3) { + if (ceil_bbbw_mhz <= 3) { reg1db = 0xe0; - } else if((ceil_bbbw_mhz > 3) && (ceil_bbbw_mhz <= 10)) { + } else if ((ceil_bbbw_mhz > 3) && (ceil_bbbw_mhz <= 10)) { reg1db = 0x60; - } else if(ceil_bbbw_mhz > 10) { + } else if (ceil_bbbw_mhz > 10) { reg1db = 0x20; } else { post_err_msg("CalRxTias: INVALID_CODE_PATH bad bbbw_mhz"); } - if(CTIA_fF > 2920) { + if (CTIA_fF > 2920) { reg1dc = 0x40; reg1de = 0x40; - - uint8_t temp = (uint8_t) AD9361_MIN(127, (ad9361_floor_to_int(0.5 + ((CTIA_fF - 400.0) / 320.0)))); + uint8_t temp = (uint8_t) AD9361_MIN(127, + (floor_to_int(0.5 + ((CTIA_fF - 400.0) / 320.0)))); reg1dd = temp; reg1df = temp; } else { - uint8_t temp = (uint8_t) ad9361_floor_to_int(0.5 + ((CTIA_fF - 400.0) / 40.0)) + 0x40; + uint8_t temp = (uint8_t) floor_to_int(0.5 + ((CTIA_fF - 400.0) / 40.0)) + + 0x40; reg1dc = temp; reg1de = temp; reg1dd = 0; @@ -562,11 +530,11 @@ void calibrate_rx_TIAs(ad9361_device_t* device) { } /* w00t. Settings calculated. Program them and roll out. */ - write_ad9361_reg(device, 0x1db, reg1db); - write_ad9361_reg(device, 0x1dd, reg1dd); - write_ad9361_reg(device, 0x1df, reg1df); - write_ad9361_reg(device, 0x1dc, reg1dc); - write_ad9361_reg(device, 0x1de, reg1de); + _io_iface->poke8(0x1db, reg1db); + _io_iface->poke8(0x1dd, reg1dd); + _io_iface->poke8(0x1df, reg1df); + _io_iface->poke8(0x1dc, reg1dc); + _io_iface->poke8(0x1de, reg1de); } /* Setup the AD9361 ADC. @@ -575,8 +543,9 @@ void calibrate_rx_TIAs(ad9361_device_t* device) { * values of which must be derived mathematically, dependent on the current * setting of the BBPLL. Note that the order of calculation is critical, as * some of the 40 registers depend on the values in others. */ -void setup_adc(ad9361_device_t* device) { - double bbbw_mhz = (((device->bbpll_freq / 1e6) / device->rx_bbf_tunediv) * DOUBLE_LN_2) \ +void ad9361_device_t::_setup_adc() +{ + double bbbw_mhz = (((_bbpll_freq / 1e6) / _rx_bbf_tunediv) * DOUBLE_LN_2) \ / (1.4 * 2 * DOUBLE_PI); /* For calibration, baseband BW is half the complex BW, and must be @@ -587,11 +556,11 @@ void setup_adc(ad9361_device_t* device) { bbbw_mhz = 0.20; } - uint8_t rxbbf_c3_msb = read_ad9361_reg(device, 0x1eb) & 0x3F; - uint8_t rxbbf_c3_lsb = read_ad9361_reg(device, 0x1ec) & 0x7F; - uint8_t rxbbf_r2346 = read_ad9361_reg(device, 0x1e6) & 0x07; + uint8_t rxbbf_c3_msb = _io_iface->peek8(0x1eb) & 0x3F; + uint8_t rxbbf_c3_lsb = _io_iface->peek8(0x1ec) & 0x7F; + uint8_t rxbbf_r2346 = _io_iface->peek8(0x1e6) & 0x07; - double fsadc = device->adcclock_freq / 1e6; + double fsadc = _adcclock_freq / 1e6; /* Sort out the RC time constant for our baseband bandwidth... */ double rc_timeconst = 0.0; @@ -609,10 +578,10 @@ void setup_adc(ad9361_device_t* device) { * (bbbw_mhz * 1e6) * (1 + (0.01 * (bbbw_mhz - 18))))); } - double scale_res = ad9361_sqrt(1 / rc_timeconst); - double scale_cap = ad9361_sqrt(1 / rc_timeconst); + double scale_res = sqrt(1 / rc_timeconst); + double scale_cap = sqrt(1 / rc_timeconst); - double scale_snr = (device->adcclock_freq < 80e6) ? 1.0 : 1.584893192; + double scale_snr = (_adcclock_freq < 80e6) ? 1.0 : 1.584893192; double maxsnr = 640 / 160; /* Calculate the values for all 40 settings registers. @@ -621,69 +590,69 @@ void setup_adc(ad9361_device_t* device) { uint8_t data[40]; data[0] = 0; data[1] = 0; data[2] = 0; data[3] = 0x24; data[4] = 0x24; data[5] = 0; data[6] = 0; - data[7] = (uint8_t) AD9361_MIN(124, (ad9361_floor_to_int(-0.5 + data[7] = (uint8_t) AD9361_MIN(124, (floor_to_int(-0.5 + (80.0 * scale_snr * scale_res - * AD9361_MIN(1.0, ad9361_sqrt(maxsnr * fsadc / 640.0)))))); + * AD9361_MIN(1.0, sqrt(maxsnr * fsadc / 640.0)))))); double data007 = data[7]; - data[8] = (uint8_t) AD9361_MIN(255, (ad9361_floor_to_int(0.5 + data[8] = (uint8_t) AD9361_MIN(255, (floor_to_int(0.5 + ((20.0 * (640.0 / fsadc) * ((data007 / 80.0)) / (scale_res * scale_cap)))))); - data[10] = (uint8_t) AD9361_MIN(127, (ad9361_floor_to_int(-0.5 + (77.0 * scale_res - * AD9361_MIN(1.0, ad9361_sqrt(maxsnr * fsadc / 640.0)))))); + data[10] = (uint8_t) AD9361_MIN(127, (floor_to_int(-0.5 + (77.0 * scale_res + * AD9361_MIN(1.0, sqrt(maxsnr * fsadc / 640.0)))))); double data010 = data[10]; - data[9] = (uint8_t) AD9361_MIN(127, (ad9361_floor_to_int(0.8 * data010))); - data[11] = (uint8_t) AD9361_MIN(255, (ad9361_floor_to_int(0.5 + data[9] = (uint8_t) AD9361_MIN(127, (floor_to_int(0.8 * data010))); + data[11] = (uint8_t) AD9361_MIN(255, (floor_to_int(0.5 + (20.0 * (640.0 / fsadc) * ((data010 / 77.0) / (scale_res * scale_cap)))))); - data[12] = (uint8_t) AD9361_MIN(127, (ad9361_floor_to_int(-0.5 + data[12] = (uint8_t) AD9361_MIN(127, (floor_to_int(-0.5 + (80.0 * scale_res * AD9361_MIN(1.0, - ad9361_sqrt(maxsnr * fsadc / 640.0)))))); + sqrt(maxsnr * fsadc / 640.0)))))); double data012 = data[12]; - data[13] = (uint8_t) AD9361_MIN(255, (ad9361_floor_to_int(-1.5 + data[13] = (uint8_t) AD9361_MIN(255, (floor_to_int(-1.5 + (20.0 * (640.0 / fsadc) * ((data012 / 80.0) / (scale_res * scale_cap)))))); - data[14] = 21 * (uint8_t)(ad9361_floor_to_int(0.1 * 640.0 / fsadc)); + data[14] = 21 * (uint8_t)(floor_to_int(0.1 * 640.0 / fsadc)); data[15] = (uint8_t) AD9361_MIN(127, (1.025 * data007)); double data015 = data[15]; - data[16] = (uint8_t) AD9361_MIN(127, (ad9361_floor_to_int((data015 + data[16] = (uint8_t) AD9361_MIN(127, (floor_to_int((data015 * (0.98 + (0.02 * AD9361_MAX(1.0, (640.0 / fsadc) / maxsnr))))))); data[17] = data[15]; data[18] = (uint8_t) AD9361_MIN(127, (0.975 * (data010))); double data018 = data[18]; - data[19] = (uint8_t) AD9361_MIN(127, (ad9361_floor_to_int((data018 + data[19] = (uint8_t) AD9361_MIN(127, (floor_to_int((data018 * (0.98 + (0.02 * AD9361_MAX(1.0, (640.0 / fsadc) / maxsnr))))))); data[20] = data[18]; data[21] = (uint8_t) AD9361_MIN(127, (0.975 * data012)); double data021 = data[21]; - data[22] = (uint8_t) AD9361_MIN(127, (ad9361_floor_to_int((data021 + data[22] = (uint8_t) AD9361_MIN(127, (floor_to_int((data021 * (0.98 + (0.02 * AD9361_MAX(1.0, (640.0 / fsadc) / maxsnr))))))); data[23] = data[21]; data[24] = 0x2e; - data[25] = (uint8_t)(ad9361_floor_to_int(128.0 + AD9361_MIN(63.0, + data[25] = (uint8_t)(floor_to_int(128.0 + AD9361_MIN(63.0, 63.0 * (fsadc / 640.0)))); - data[26] = (uint8_t)(ad9361_floor_to_int(AD9361_MIN(63.0, 63.0 * (fsadc / 640.0) + data[26] = (uint8_t)(floor_to_int(AD9361_MIN(63.0, 63.0 * (fsadc / 640.0) * (0.92 + (0.08 * (640.0 / fsadc)))))); - data[27] = (uint8_t)(ad9361_floor_to_int(AD9361_MIN(63.0, - 32.0 * ad9361_sqrt(fsadc / 640.0)))); - data[28] = (uint8_t)(ad9361_floor_to_int(128.0 + AD9361_MIN(63.0, + data[27] = (uint8_t)(floor_to_int(AD9361_MIN(63.0, + 32.0 * sqrt(fsadc / 640.0)))); + data[28] = (uint8_t)(floor_to_int(128.0 + AD9361_MIN(63.0, 63.0 * (fsadc / 640.0)))); - data[29] = (uint8_t)(ad9361_floor_to_int(AD9361_MIN(63.0, + data[29] = (uint8_t)(floor_to_int(AD9361_MIN(63.0, 63.0 * (fsadc / 640.0) * (0.92 + (0.08 * (640.0 / fsadc)))))); - data[30] = (uint8_t)(ad9361_floor_to_int(AD9361_MIN(63.0, - 32.0 * ad9361_sqrt(fsadc / 640.0)))); - data[31] = (uint8_t)(ad9361_floor_to_int(128.0 + AD9361_MIN(63.0, + data[30] = (uint8_t)(floor_to_int(AD9361_MIN(63.0, + 32.0 * sqrt(fsadc / 640.0)))); + data[31] = (uint8_t)(floor_to_int(128.0 + AD9361_MIN(63.0, 63.0 * (fsadc / 640.0)))); - data[32] = (uint8_t)(ad9361_floor_to_int(AD9361_MIN(63.0, + data[32] = (uint8_t)(floor_to_int(AD9361_MIN(63.0, 63.0 * (fsadc / 640.0) * (0.92 + (0.08 * (640.0 / fsadc)))))); - data[33] = (uint8_t)(ad9361_floor_to_int(AD9361_MIN(63.0, - 63.0 * ad9361_sqrt(fsadc / 640.0)))); - data[34] = (uint8_t) AD9361_MIN(127, (ad9361_floor_to_int(64.0 - * ad9361_sqrt(fsadc / 640.0)))); + data[33] = (uint8_t)(floor_to_int(AD9361_MIN(63.0, + 63.0 * sqrt(fsadc / 640.0)))); + data[34] = (uint8_t) AD9361_MIN(127, (floor_to_int(64.0 + * sqrt(fsadc / 640.0)))); data[35] = 0x40; data[36] = 0x40; data[37] = 0x2c; @@ -691,34 +660,32 @@ void setup_adc(ad9361_device_t* device) { data[39] = 0x00; /* Program the registers! */ - int i; - for(i=0; i<40; i++) { - write_ad9361_reg(device, 0x200+i, data[i]); + for(size_t i = 0; i < 40; i++) { + _io_iface->poke8(0x200+i, data[i]); } - } /* Calibrate the baseband DC offset. * * Note that this function is called from within the TX quadrature * calibration function! */ -void calibrate_baseband_dc_offset(ad9361_device_t* device) { - write_ad9361_reg(device, 0x193, 0x3f); // Calibration settings - write_ad9361_reg(device, 0x190, 0x0f); // Set tracking coefficient +void ad9361_device_t::_calibrate_baseband_dc_offset() +{ + _io_iface->poke8(0x193, 0x3f); // Calibration settings + _io_iface->poke8(0x190, 0x0f); // Set tracking coefficient //write_ad9361_reg(device, 0x190, /*0x0f*//*0xDF*/0x80*1 | 0x40*1 | (16+8/*+4*/)); // Set tracking coefficient: don't *4 counter, do decim /4, increased gain shift - write_ad9361_reg(device, 0x194, 0x01); // More calibration settings + _io_iface->poke8(0x194, 0x01); // More calibration settings /* Start that calibration, baby. */ - int count = 0; - write_ad9361_reg(device, 0x016, 0x01); - while(read_ad9361_reg(device, 0x016) & 0x01) { - if(count > 100) { + size_t count = 0; + _io_iface->poke8(0x016, 0x01); + while (_io_iface->peek8(0x016) & 0x01) { + if (count > 100) { post_err_msg("Baseband DC Offset Calibration Failure"); break; } - count++; - ad9361_msleep(5); + boost::this_thread::sleep(boost::posix_time::milliseconds(5)); } } @@ -726,33 +693,33 @@ void calibrate_baseband_dc_offset(ad9361_device_t* device) { * * Note that this function is called from within the TX quadrature * calibration function. */ -void calibrate_rf_dc_offset(ad9361_device_t* device) { +void ad9361_device_t::_calibrate_rf_dc_offset() +{ /* Some settings are frequency-dependent. */ - if(device->rx_freq < 4e9) { - write_ad9361_reg(device, 0x186, 0x32); // RF DC Offset count - write_ad9361_reg(device, 0x187, 0x24); - write_ad9361_reg(device, 0x188, 0x05); + if (_rx_freq < 4e9) { + _io_iface->poke8(0x186, 0x32); // RF DC Offset count + _io_iface->poke8(0x187, 0x24); + _io_iface->poke8(0x188, 0x05); } else { - write_ad9361_reg(device, 0x186, 0x28); // RF DC Offset count - write_ad9361_reg(device, 0x187, 0x34); - write_ad9361_reg(device, 0x188, 0x06); + _io_iface->poke8(0x186, 0x28); // RF DC Offset count + _io_iface->poke8(0x187, 0x34); + _io_iface->poke8(0x188, 0x06); } - write_ad9361_reg(device, 0x185, 0x20); // RF DC Offset wait count - write_ad9361_reg(device, 0x18b, 0x83); - write_ad9361_reg(device, 0x189, 0x30); + _io_iface->poke8(0x185, 0x20); // RF DC Offset wait count + _io_iface->poke8(0x18b, 0x83); + _io_iface->poke8(0x189, 0x30); /* Run the calibration! */ - int count = 0; - write_ad9361_reg(device, 0x016, 0x02); - while(read_ad9361_reg(device, 0x016) & 0x02) { - if(count > 100) { + size_t count = 0; + _io_iface->poke8(0x016, 0x02); + while (_io_iface->peek8(0x016) & 0x02) { + if (count > 100) { post_err_msg("RF DC Offset Calibration Failure"); break; } - count++; - ad9361_msleep(50); + boost::this_thread::sleep(boost::posix_time::milliseconds(50)); } } @@ -761,14 +728,15 @@ void calibrate_rf_dc_offset(ad9361_device_t* device) { * Note that we are using AD9361's 'tracking' feature for RX quadrature * calibration, so once it starts it continues to free-run during operation. * It should be re-run for large frequency changes. */ -void calibrate_rx_quadrature(ad9361_device_t* device) { +void ad9361_device_t::_calibrate_rx_quadrature() +{ /* Configure RX Quadrature calibration settings. */ - write_ad9361_reg(device, 0x168, 0x03); // Set tone level for cal - write_ad9361_reg(device, 0x16e, 0x25); // RX Gain index to use for cal - write_ad9361_reg(device, 0x16a, 0x75); // Set Kexp phase - write_ad9361_reg(device, 0x16b, 0x15); // Set Kexp amplitude - write_ad9361_reg(device, 0x169, 0xcf); // Continuous tracking mode - write_ad9361_reg(device, 0x18b, 0xad); + _io_iface->poke8(0x168, 0x03); // Set tone level for cal + _io_iface->poke8(0x16e, 0x25); // RX Gain index to use for cal + _io_iface->poke8(0x16a, 0x75); // Set Kexp phase + _io_iface->poke8(0x16b, 0x15); // Set Kexp amplitude + _io_iface->poke8(0x169, 0xcf); // Continuous tracking mode + _io_iface->poke8(0x18b, 0xad); } /* TX quadtrature calibration routine. @@ -776,68 +744,67 @@ void calibrate_rx_quadrature(ad9361_device_t* device) { * The TX quadrature needs to be done twice, once for each TX chain, with * only one register change in between. Thus, this function enacts the * calibrations, and it is called from calibrate_tx_quadrature. */ -void tx_quadrature_cal_routine(ad9361_device_t* device) { - +void ad9361_device_t::_tx_quadrature_cal_routine() { /* This is a weird process, but here is how it works: * 1) Read the calibrated NCO frequency bits out of 0A3. * 2) Write the two bits to the RX NCO freq part of 0A0. * 3) Re-read 0A3 to get bits [5:0] because maybe they changed? * 4) Update only the TX NCO freq bits in 0A3. * 5) Profit (I hope). */ - uint8_t reg0a3 = read_ad9361_reg(device, 0x0a3); + uint8_t reg0a3 = _io_iface->peek8(0x0a3); uint8_t nco_freq = (reg0a3 & 0xC0); - write_ad9361_reg(device, 0x0a0, 0x15 | (nco_freq >> 1)); - reg0a3 = read_ad9361_reg(device, 0x0a3); - write_ad9361_reg(device, 0x0a3, (reg0a3 & 0x3F) | nco_freq); + _io_iface->poke8(0x0a0, 0x15 | (nco_freq >> 1)); + reg0a3 = _io_iface->peek8(0x0a3); + _io_iface->poke8(0x0a3, (reg0a3 & 0x3F) | nco_freq); /* It is possible to reach a configuration that won't operate correctly, * where the two test tones used for quadrature calibration are outside * of the RX BBF, and therefore don't make it to the ADC. We will check * for that scenario here. */ - double max_cal_freq = (((device->baseband_bw * device->tfir_factor) * ((nco_freq >> 6) + 1)) / 32) * 2; - double bbbw = device->baseband_bw / 2.0; // bbbw represents the one-sided BW - if(bbbw > 28e6) { + double max_cal_freq = (((_baseband_bw * _tfir_factor) + * ((nco_freq >> 6) + 1)) / 32) * 2; + double bbbw = _baseband_bw / 2.0; // bbbw represents the one-sided BW + if (bbbw > 28e6) { bbbw = 28e6; } else if (bbbw < 0.20e6) { bbbw = 0.20e6; } - if (max_cal_freq > bbbw ) + if (max_cal_freq > bbbw) post_err_msg("max_cal_freq > bbbw"); - write_ad9361_reg(device, 0x0a1, 0x7B); // Set tracking coefficient - write_ad9361_reg(device, 0x0a9, 0xff); // Cal count - write_ad9361_reg(device, 0x0a2, 0x7f); // Cal Kexp - write_ad9361_reg(device, 0x0a5, 0x01); // Cal magnitude threshold VVVV - write_ad9361_reg(device, 0x0a6, 0x01); + _io_iface->poke8(0x0a1, 0x7B); // Set tracking coefficient + _io_iface->poke8(0x0a9, 0xff); // Cal count + _io_iface->poke8(0x0a2, 0x7f); // Cal Kexp + _io_iface->poke8(0x0a5, 0x01); // Cal magnitude threshold VVVV + _io_iface->poke8(0x0a6, 0x01); /* The gain table index used for calibration must be adjusted for the * mid-table to get a TIA index = 1 and LPF index = 0. */ - if((device->rx_freq >= 1300e6) && (device->rx_freq < 4000e6)) { - write_ad9361_reg(device, 0x0aa, 0x22); // Cal gain table index + if ((_rx_freq >= 1300e6) && (_rx_freq < 4000e6)) { + _io_iface->poke8(0x0aa, 0x22); // Cal gain table index } else { - write_ad9361_reg(device, 0x0aa, 0x25); // Cal gain table index + _io_iface->poke8(0x0aa, 0x25); // Cal gain table index } - write_ad9361_reg(device, 0x0a4, 0xf0); // Cal setting conut - write_ad9361_reg(device, 0x0ae, 0x00); // Cal LPF gain index (split mode) + _io_iface->poke8(0x0a4, 0xf0); // Cal setting conut + _io_iface->poke8(0x0ae, 0x00); // Cal LPF gain index (split mode) /* First, calibrate the baseband DC offset. */ - calibrate_baseband_dc_offset(device); + _calibrate_baseband_dc_offset(); /* Second, calibrate the RF DC offset. */ - calibrate_rf_dc_offset(device); + _calibrate_rf_dc_offset(); /* Now, calibrate the TX quadrature! */ - int count = 0; - write_ad9361_reg(device, 0x016, 0x10); - while(read_ad9361_reg(device, 0x016) & 0x10) { - if(count > 100) { + size_t count = 0; + _io_iface->poke8(0x016, 0x10); + while (_io_iface->peek8(0x016) & 0x10) { + if (count > 100) { post_err_msg("TX Quadrature Calibration Failure"); break; } - count++; - ad9361_msleep(10); + boost::this_thread::sleep(boost::posix_time::milliseconds(10)); } } @@ -845,43 +812,44 @@ void tx_quadrature_cal_routine(ad9361_device_t* device) { * * Note that from within this function we are also triggering the baseband * and RF DC calibrations. */ -void calibrate_tx_quadrature(ad9361_device_t* device) { +void ad9361_device_t::_calibrate_tx_quadrature() +{ /* Make sure we are, in fact, in the ALERT state. If not, something is * terribly wrong in the driver execution flow. */ - if((read_ad9361_reg(device, 0x017) & 0x0F) != 5) { + if ((_io_iface->peek8(0x017) & 0x0F) != 5) { post_err_msg("TX Quad Cal started, but not in ALERT"); } /* Turn off free-running and continuous calibrations. Note that this * will get turned back on at the end of the RX calibration routine. */ - write_ad9361_reg(device, 0x169, 0xc0); + _io_iface->poke8(0x169, 0xc0); /* This calibration must be done in a certain order, and for both TX_A * and TX_B, separately. Store the original setting so that we can * restore it later. */ - uint8_t orig_reg_inputsel = device->regs.inputsel; + uint8_t orig_reg_inputsel = _regs.inputsel; /*********************************************************************** * TX1/2-A Calibration **********************************************************************/ - device->regs.inputsel = device->regs.inputsel & 0xBF; - write_ad9361_reg(device, 0x004, device->regs.inputsel); + _regs.inputsel = _regs.inputsel & 0xBF; + _io_iface->poke8(0x004, _regs.inputsel); - tx_quadrature_cal_routine(device); + _tx_quadrature_cal_routine(); /*********************************************************************** * TX1/2-B Calibration **********************************************************************/ - device->regs.inputsel = device->regs.inputsel | 0x40; - write_ad9361_reg(device, 0x004, device->regs.inputsel); + _regs.inputsel = _regs.inputsel | 0x40; + _io_iface->poke8(0x004, _regs.inputsel); - tx_quadrature_cal_routine(device); + _tx_quadrature_cal_routine(); /*********************************************************************** * fin **********************************************************************/ - device->regs.inputsel = orig_reg_inputsel; - write_ad9361_reg(device, 0x004, orig_reg_inputsel); + _regs.inputsel = orig_reg_inputsel; + _io_iface->poke8(0x004, orig_reg_inputsel); } @@ -892,50 +860,50 @@ void calibrate_tx_quadrature(ad9361_device_t* device) { /* Program the mixer gain table. * * Note that this table is fixed for all frequency settings. */ -void program_mixer_gm_subtable(ad9361_device_t* device) { - uint8_t gain[] = {0x78, 0x74, 0x70, 0x6C, 0x68, 0x64, 0x60, 0x5C, 0x58, - 0x54, 0x50, 0x4C, 0x48, 0x30, 0x18, 0x00}; - uint8_t gm[] = {0x00, 0x0D, 0x15, 0x1B, 0x21, 0x25, 0x29, 0x2C, 0x2F, - 0x31, 0x33, 0x34, 0x35, 0x3A, 0x3D, 0x3E}; +void ad9361_device_t::_program_mixer_gm_subtable() +{ + uint8_t gain[] = { 0x78, 0x74, 0x70, 0x6C, 0x68, 0x64, 0x60, 0x5C, 0x58, + 0x54, 0x50, 0x4C, 0x48, 0x30, 0x18, 0x00 }; + uint8_t gm[] = { 0x00, 0x0D, 0x15, 0x1B, 0x21, 0x25, 0x29, 0x2C, 0x2F, 0x31, + 0x33, 0x34, 0x35, 0x3A, 0x3D, 0x3E }; /* Start the clock. */ - write_ad9361_reg(device, 0x13f, 0x02); + _io_iface->poke8(0x13f, 0x02); /* Program the GM Sub-table. */ int i; - for(i = 15; i >= 0; i--) { - write_ad9361_reg(device, 0x138, i); - write_ad9361_reg(device, 0x139, gain[(15 - i)]); - write_ad9361_reg(device, 0x13A, 0x00); - write_ad9361_reg(device, 0x13B, gm[(15 - i)]); - write_ad9361_reg(device, 0x13F, 0x06); - write_ad9361_reg(device, 0x13C, 0x00); - write_ad9361_reg(device, 0x13C, 0x00); + for (i = 15; i >= 0; i--) { + _io_iface->poke8(0x138, i); + _io_iface->poke8(0x139, gain[(15 - i)]); + _io_iface->poke8(0x13A, 0x00); + _io_iface->poke8(0x13B, gm[(15 - i)]); + _io_iface->poke8(0x13F, 0x06); + _io_iface->poke8(0x13C, 0x00); + _io_iface->poke8(0x13C, 0x00); } /* Clear write bit and stop clock. */ - write_ad9361_reg(device, 0x13f, 0x02); - write_ad9361_reg(device, 0x13C, 0x00); - write_ad9361_reg(device, 0x13C, 0x00); - write_ad9361_reg(device, 0x13f, 0x00); + _io_iface->poke8(0x13f, 0x02); + _io_iface->poke8(0x13C, 0x00); + _io_iface->poke8(0x13C, 0x00); + _io_iface->poke8(0x13f, 0x00); } /* Program the gain table. * * There are three different gain tables for different frequency ranges! */ -void program_gain_table(ad9361_device_t* device) { - +void ad9361_device_t::_program_gain_table() { /* Figure out which gain table we should be using for our current * frequency band. */ uint8_t (*gain_table)[5] = NULL; uint8_t new_gain_table; - if(device->rx_freq < 1300e6) { + if (_rx_freq < 1300e6) { gain_table = gain_table_sub_1300mhz; new_gain_table = 1; - } else if(device->rx_freq < 4e9) { + } else if (_rx_freq < 4e9) { gain_table = gain_table_1300mhz_to_4000mhz; new_gain_table = 2; - } else if(device->rx_freq <= 6e9) { + } else if (_rx_freq <= 6e9) { gain_table = gain_table_4000mhz_to_6000mhz; new_gain_table = 3; } else { @@ -944,70 +912,70 @@ void program_gain_table(ad9361_device_t* device) { } /* Only re-program the gain table if there has been a band change. */ - if(device->curr_gain_table == new_gain_table) { + if (_curr_gain_table == new_gain_table) { return; } else { - device->curr_gain_table = new_gain_table; + _curr_gain_table = new_gain_table; } /* Okay, we have to program a new gain table. Sucks, brah. Start the * gain table clock. */ - write_ad9361_reg(device, 0x137, 0x1A); + _io_iface->poke8(0x137, 0x1A); /* IT'S PROGRAMMING TIME. */ uint8_t index = 0; - for(; index < 77; index++) { - write_ad9361_reg(device, 0x130, index); - write_ad9361_reg(device, 0x131, gain_table[index][1]); - write_ad9361_reg(device, 0x132, gain_table[index][2]); - write_ad9361_reg(device, 0x133, gain_table[index][3]); - write_ad9361_reg(device, 0x137, 0x1E); - write_ad9361_reg(device, 0x134, 0x00); - write_ad9361_reg(device, 0x134, 0x00); + for (; index < 77; index++) { + _io_iface->poke8(0x130, index); + _io_iface->poke8(0x131, gain_table[index][1]); + _io_iface->poke8(0x132, gain_table[index][2]); + _io_iface->poke8(0x133, gain_table[index][3]); + _io_iface->poke8(0x137, 0x1E); + _io_iface->poke8(0x134, 0x00); + _io_iface->poke8(0x134, 0x00); } /* Everything above the 77th index is zero. */ - for(; index < 91; index++) { - write_ad9361_reg(device, 0x130, index); - write_ad9361_reg(device, 0x131, 0x00); - write_ad9361_reg(device, 0x132, 0x00); - write_ad9361_reg(device, 0x133, 0x00); - write_ad9361_reg(device, 0x137, 0x1E); - write_ad9361_reg(device, 0x134, 0x00); - write_ad9361_reg(device, 0x134, 0x00); + for (; index < 91; index++) { + _io_iface->poke8(0x130, index); + _io_iface->poke8(0x131, 0x00); + _io_iface->poke8(0x132, 0x00); + _io_iface->poke8(0x133, 0x00); + _io_iface->poke8(0x137, 0x1E); + _io_iface->poke8(0x134, 0x00); + _io_iface->poke8(0x134, 0x00); } /* Clear the write bit and stop the gain clock. */ - write_ad9361_reg(device, 0x137, 0x1A); - write_ad9361_reg(device, 0x134, 0x00); - write_ad9361_reg(device, 0x134, 0x00); - write_ad9361_reg(device, 0x137, 0x00); + _io_iface->poke8(0x137, 0x1A); + _io_iface->poke8(0x134, 0x00); + _io_iface->poke8(0x134, 0x00); + _io_iface->poke8(0x137, 0x00); } /* Setup gain control registers. * * This really only needs to be done once, at initialization. */ -void setup_gain_control(ad9361_device_t* device) +void ad9361_device_t::_setup_gain_control() { - write_ad9361_reg(device, 0x0FA, 0xE0); // Gain Control Mode Select - write_ad9361_reg(device, 0x0FB, 0x08); // Table, Digital Gain, Man Gain Ctrl - write_ad9361_reg(device, 0x0FC, 0x23); // Incr Step Size, ADC Overrange Size - write_ad9361_reg(device, 0x0FD, 0x4C); // Max Full/LMT Gain Table Index - write_ad9361_reg(device, 0x0FE, 0x44); // Decr Step Size, Peak Overload Time - write_ad9361_reg(device, 0x100, 0x6F); // Max Digital Gain - write_ad9361_reg(device, 0x104, 0x2F); // ADC Small Overload Threshold - write_ad9361_reg(device, 0x105, 0x3A); // ADC Large Overload Threshold - write_ad9361_reg(device, 0x107, 0x31); // Large LMT Overload Threshold - write_ad9361_reg(device, 0x108, 0x39); // Small LMT Overload Threshold - write_ad9361_reg(device, 0x109, 0x23); // Rx1 Full/LMT Gain Index - write_ad9361_reg(device, 0x10A, 0x58); // Rx1 LPF Gain Index - write_ad9361_reg(device, 0x10B, 0x00); // Rx1 Digital Gain Index - write_ad9361_reg(device, 0x10C, 0x23); // Rx2 Full/LMT Gain Index - write_ad9361_reg(device, 0x10D, 0x18); // Rx2 LPF Gain Index - write_ad9361_reg(device, 0x10E, 0x00); // Rx2 Digital Gain Index - write_ad9361_reg(device, 0x114, 0x30); // Low Power Threshold - write_ad9361_reg(device, 0x11A, 0x27); // Initial LMT Gain Limit - write_ad9361_reg(device, 0x081, 0x00); // Tx Symbol Gain Control + _io_iface->poke8(0x0FA, 0xE0); // Gain Control Mode Select + _io_iface->poke8(0x0FB, 0x08); // Table, Digital Gain, Man Gain Ctrl + _io_iface->poke8(0x0FC, 0x23); // Incr Step Size, ADC Overrange Size + _io_iface->poke8(0x0FD, 0x4C); // Max Full/LMT Gain Table Index + _io_iface->poke8(0x0FE, 0x44); // Decr Step Size, Peak Overload Time + _io_iface->poke8(0x100, 0x6F); // Max Digital Gain + _io_iface->poke8(0x104, 0x2F); // ADC Small Overload Threshold + _io_iface->poke8(0x105, 0x3A); // ADC Large Overload Threshold + _io_iface->poke8(0x107, 0x31); // Large LMT Overload Threshold + _io_iface->poke8(0x108, 0x39); // Small LMT Overload Threshold + _io_iface->poke8(0x109, 0x23); // Rx1 Full/LMT Gain Index + _io_iface->poke8(0x10A, 0x58); // Rx1 LPF Gain Index + _io_iface->poke8(0x10B, 0x00); // Rx1 Digital Gain Index + _io_iface->poke8(0x10C, 0x23); // Rx2 Full/LMT Gain Index + _io_iface->poke8(0x10D, 0x18); // Rx2 LPF Gain Index + _io_iface->poke8(0x10E, 0x00); // Rx2 Digital Gain Index + _io_iface->poke8(0x114, 0x30); // Low Power Threshold + _io_iface->poke8(0x11A, 0x27); // Initial LMT Gain Limit + _io_iface->poke8(0x081, 0x00); // Tx Symbol Gain Control } /* Setup the RX or TX synthesizers. @@ -1015,19 +983,18 @@ void setup_gain_control(ad9361_device_t* device) * This setup depends on a fixed look-up table, which is stored in an * included header file. The table is indexed based on the passed VCO rate. */ -void setup_synth(ad9361_device_t* device, int which, double vcorate) { +void ad9361_device_t::_setup_synth(direction_t direction, double vcorate) +{ /* The vcorates in the vco_index array represent lower boundaries for * rates. Once we find a match, we use that index to look-up the rest of * the register values in the LUT. */ int vcoindex = 0; - int i; - for(i = 0; i < 53; i++) { + for (size_t i = 0; i < 53; i++) { vcoindex = i; - if(vcorate > vco_index[i]) { + if (vcorate > vco_index[i]) { break; } } - if (vcoindex > 53) post_err_msg("vcoindex > 53"); @@ -1046,32 +1013,32 @@ void setup_synth(ad9361_device_t* device, int which, double vcorate) { uint8_t loop_filter_r3 = synth_cal_lut[vcoindex][11]; /* ... annnd program! */ - if(which == RX_TYPE) { - write_ad9361_reg(device, 0x23a, 0x40 | vco_output_level); - write_ad9361_reg(device, 0x239, 0xC0 | vco_varactor); - write_ad9361_reg(device, 0x242, vco_bias_ref | (vco_bias_tcf << 3)); - write_ad9361_reg(device, 0x238, (vco_cal_offset << 3)); - write_ad9361_reg(device, 0x245, 0x00); - write_ad9361_reg(device, 0x251, vco_varactor_ref); - write_ad9361_reg(device, 0x250, 0x70); - write_ad9361_reg(device, 0x23b, 0x80 | charge_pump_curr); - write_ad9361_reg(device, 0x23e, loop_filter_c1 | (loop_filter_c2 << 4)); - write_ad9361_reg(device, 0x23f, loop_filter_c3 | (loop_filter_r1 << 4)); - write_ad9361_reg(device, 0x240, loop_filter_r3); - } else if(which == TX_TYPE) { - write_ad9361_reg(device, 0x27a, 0x40 | vco_output_level); - write_ad9361_reg(device, 0x279, 0xC0 | vco_varactor); - write_ad9361_reg(device, 0x282, vco_bias_ref | (vco_bias_tcf << 3)); - write_ad9361_reg(device, 0x278, (vco_cal_offset << 3)); - write_ad9361_reg(device, 0x285, 0x00); - write_ad9361_reg(device, 0x291, vco_varactor_ref); - write_ad9361_reg(device, 0x290, 0x70); - write_ad9361_reg(device, 0x27b, 0x80 | charge_pump_curr); - write_ad9361_reg(device, 0x27e, loop_filter_c1 | (loop_filter_c2 << 4)); - write_ad9361_reg(device, 0x27f, loop_filter_c3 | (loop_filter_r1 << 4)); - write_ad9361_reg(device, 0x280, loop_filter_r3); + if (direction == RX) { + _io_iface->poke8(0x23a, 0x40 | vco_output_level); + _io_iface->poke8(0x239, 0xC0 | vco_varactor); + _io_iface->poke8(0x242, vco_bias_ref | (vco_bias_tcf << 3)); + _io_iface->poke8(0x238, (vco_cal_offset << 3)); + _io_iface->poke8(0x245, 0x00); + _io_iface->poke8(0x251, vco_varactor_ref); + _io_iface->poke8(0x250, 0x70); + _io_iface->poke8(0x23b, 0x80 | charge_pump_curr); + _io_iface->poke8(0x23e, loop_filter_c1 | (loop_filter_c2 << 4)); + _io_iface->poke8(0x23f, loop_filter_c3 | (loop_filter_r1 << 4)); + _io_iface->poke8(0x240, loop_filter_r3); + } else if (direction == TX) { + _io_iface->poke8(0x27a, 0x40 | vco_output_level); + _io_iface->poke8(0x279, 0xC0 | vco_varactor); + _io_iface->poke8(0x282, vco_bias_ref | (vco_bias_tcf << 3)); + _io_iface->poke8(0x278, (vco_cal_offset << 3)); + _io_iface->poke8(0x285, 0x00); + _io_iface->poke8(0x291, vco_varactor_ref); + _io_iface->poke8(0x290, 0x70); + _io_iface->poke8(0x27b, 0x80 | charge_pump_curr); + _io_iface->poke8(0x27e, loop_filter_c1 | (loop_filter_c2 << 4)); + _io_iface->poke8(0x27f, loop_filter_c3 | (loop_filter_r1 << 4)); + _io_iface->poke8(0x280, loop_filter_r3); } else { - post_err_msg("[setup_synth] INVALID_CODE_PATH"); + post_err_msg("[_setup_synth] INVALID_CODE_PATH"); } } @@ -1081,15 +1048,16 @@ void setup_synth(ad9361_device_t* device, int which, double vcorate) { * This clock signal is what gets fed to the ADCs and DACs. This function is * not exported outside of this file, and is invoked based on the rate * fed to the public set_clock_rate function. */ -double tune_bbvco(ad9361_device_t* device, const double rate) { - msg("[tune_bbvco] rate=%.10f", rate); +double ad9361_device_t::_tune_bbvco(const double rate) +{ + msg("[_tune_bbvco] rate=%.10f", rate); /* Let's not re-tune to the same frequency over and over... */ - if(freq_is_nearly_equal(rate, device->req_coreclk)) { - return device->adcclock_freq; + if (freq_is_nearly_equal(rate, _req_coreclk)) { + return _adcclock_freq; } - device->req_coreclk = rate; + _req_coreclk = rate; const double fref = 40e6; const int modulus = 2088960; @@ -1100,24 +1068,27 @@ double tune_bbvco(ad9361_device_t* device, const double rate) { /* Iterate over VCO dividers until appropriate divider is found. */ int i = 1; - for(; i <= 6; i++) { + for (; i <= 6; i++) { vcodiv = 1 << i; vcorate = rate * vcodiv; - if(vcorate >= vcomin && vcorate <= vcomax) break; + if (vcorate >= vcomin && vcorate <= vcomax) + break; } - if(i == 7) - post_err_msg("tune_bbvco: wrong vcorate"); + if (i == 7) + post_err_msg("_tune_bbvco: wrong vcorate"); - msg("[tune_bbvco] vcodiv=%d vcorate=%.10f", vcodiv, vcorate); + msg("[_tune_bbvco] vcodiv=%d vcorate=%.10f", vcodiv, vcorate); /* Fo = Fref * (Nint + Nfrac / mod) */ int nint = vcorate / fref; - msg("[tune_bbvco] (nint)=%.10f", (vcorate / fref)); - int nfrac = lround(((vcorate / fref) - (double)nint) * (double)modulus); - msg("[tune_bbvco] (nfrac)=%.10f", (((vcorate / fref) - (double)nint) * (double)modulus)); - msg("[tune_bbvco] nint=%d nfrac=%d", nint, nfrac); - double actual_vcorate = fref * ((double)nint + ((double)nfrac / (double)modulus)); + msg("[_tune_bbvco] (nint)=%.10f", (vcorate / fref)); + int nfrac = lround(((vcorate / fref) - (double) nint) * (double) modulus); + msg("[_tune_bbvco] (nfrac)=%.10f", + (((vcorate / fref) - (double) nint) * (double) modulus)); + msg("[_tune_bbvco] nint=%d nfrac=%d", nint, nfrac); + double actual_vcorate = fref + * ((double) nint + ((double) nfrac / (double) modulus)); /* Scale CP current according to VCO rate */ const double icp_baseline = 150e-6; @@ -1125,28 +1096,28 @@ double tune_bbvco(ad9361_device_t* device, const double rate) { double icp = icp_baseline * (actual_vcorate / freq_baseline); int icp_reg = (icp / 25e-6) - 1; - write_ad9361_reg(device, 0x045, 0x00); // REFCLK / 1 to BBPLL - write_ad9361_reg(device, 0x046, icp_reg & 0x3F); // CP current - write_ad9361_reg(device, 0x048, 0xe8); // BBPLL loop filters - write_ad9361_reg(device, 0x049, 0x5b); // BBPLL loop filters - write_ad9361_reg(device, 0x04a, 0x35); // BBPLL loop filters + _io_iface->poke8(0x045, 0x00); // REFCLK / 1 to BBPLL + _io_iface->poke8(0x046, icp_reg & 0x3F); // CP current + _io_iface->poke8(0x048, 0xe8); // BBPLL loop filters + _io_iface->poke8(0x049, 0x5b); // BBPLL loop filters + _io_iface->poke8(0x04a, 0x35); // BBPLL loop filters - write_ad9361_reg(device, 0x04b, 0xe0); - write_ad9361_reg(device, 0x04e, 0x10); // Max accuracy + _io_iface->poke8(0x04b, 0xe0); + _io_iface->poke8(0x04e, 0x10); // Max accuracy - write_ad9361_reg(device, 0x043, nfrac & 0xFF); // Nfrac[7:0] - write_ad9361_reg(device, 0x042, (nfrac >> 8) & 0xFF); // Nfrac[15:8] - write_ad9361_reg(device, 0x041, (nfrac >> 16) & 0xFF); // Nfrac[23:16] - write_ad9361_reg(device, 0x044, nint); // Nint + _io_iface->poke8(0x043, nfrac & 0xFF); // Nfrac[7:0] + _io_iface->poke8(0x042, (nfrac >> 8) & 0xFF); // Nfrac[15:8] + _io_iface->poke8(0x041, (nfrac >> 16) & 0xFF); // Nfrac[23:16] + _io_iface->poke8(0x044, nint); // Nint - calibrate_lock_bbpll(device); + _calibrate_lock_bbpll(); - device->regs.bbpll = (device->regs.bbpll & 0xF8) | i; + _regs.bbpll = (_regs.bbpll & 0xF8) | i; - device->bbpll_freq = actual_vcorate; - device->adcclock_freq = (actual_vcorate / vcodiv); + _bbpll_freq = actual_vcorate; + _adcclock_freq = (actual_vcorate / vcodiv); - return device->adcclock_freq; + return _adcclock_freq; } /* This function re-programs all of the gains in the system. @@ -1154,20 +1125,20 @@ double tune_bbvco(ad9361_device_t* device, const double rate) { * Because the gain values match to different gain indices based on the * current operating band, this function can be called to update all gain * settings to the appropriate index after a re-tune. */ -void program_gains(uint64_t handle) { - ad9361_device_t* device = get_ad9361_device(handle); - set_gain(handle, RX_TYPE,1, device->rx1_gain); - set_gain(handle, RX_TYPE,2, device->rx2_gain); - set_gain(handle, TX_TYPE,1, device->tx1_gain); - set_gain(handle, TX_TYPE,2, device->tx2_gain); +void ad9361_device_t::_reprogram_gains() +{ + set_gain(RX, CHAIN_1,_rx1_gain); + set_gain(RX, CHAIN_2,_rx2_gain); + set_gain(TX, CHAIN_1,_tx1_gain); + set_gain(TX, CHAIN_2,_tx2_gain); } /* This is the internal tune function, not available for a host call. * * Calculate the VCO settings for the requested frquency, and then either * tune the RX or TX VCO. */ -double tune_helper(ad9361_device_t* device, int which, const double value) { - +double ad9361_device_t::_tune_helper(direction_t direction, const double value) +{ /* The RFPLL runs from 6 GHz - 12 GHz */ const double fref = 80e6; const int modulus = 8388593; @@ -1178,100 +1149,105 @@ double tune_helper(ad9361_device_t* device, int which, const double value) { /* Iterate over VCO dividers until appropriate divider is found. */ int i; - for(i = 0; i <= 6; i++) { + for (i = 0; i <= 6; i++) { vcodiv = 2 << i; vcorate = value * vcodiv; - if(vcorate >= vcomin && vcorate <= vcomax) break; + if (vcorate >= vcomin && vcorate <= vcomax) + break; } - if(i == 7) + if (i == 7) post_err_msg("RFVCO can't find valid VCO rate!"); int nint = vcorate / fref; int nfrac = ((vcorate / fref) - nint) * modulus; - double actual_vcorate = fref * (nint + (double)(nfrac)/modulus); + double actual_vcorate = fref * (nint + (double) (nfrac) / modulus); double actual_lo = actual_vcorate / vcodiv; - if(which == RX_TYPE) { + if (direction == RX) { - device->req_rx_freq = value; + _req_rx_freq = value; /* Set band-specific settings. */ - if(value < ad9361_client_get_band_edge(device->product, AD9361_RX_BAND0)) { - device->regs.inputsel = (device->regs.inputsel & 0xC0) | 0x30; - } else if((value >= ad9361_client_get_band_edge(device->product, AD9361_RX_BAND0)) && - (value < ad9361_client_get_band_edge(device->product, AD9361_RX_BAND1))) { - device->regs.inputsel = (device->regs.inputsel & 0xC0) | 0x0C; - } else if((value >= ad9361_client_get_band_edge(device->product, AD9361_RX_BAND1)) && - (value <= 6e9)) { - device->regs.inputsel = (device->regs.inputsel & 0xC0) | 0x03; + if (value < _client_params->get_band_edge(AD9361_RX_BAND0)) { + _regs.inputsel = (_regs.inputsel & 0xC0) | 0x30; + } else if ((value + >= _client_params->get_band_edge(AD9361_RX_BAND0)) + && (value + < _client_params->get_band_edge(AD9361_RX_BAND1))) { + _regs.inputsel = (_regs.inputsel & 0xC0) | 0x0C; + } else if ((value + >= _client_params->get_band_edge(AD9361_RX_BAND1)) + && (value <= 6e9)) { + _regs.inputsel = (_regs.inputsel & 0xC0) | 0x03; } else { - post_err_msg("[tune_helper] INVALID_CODE_PATH"); + post_err_msg("[_tune_helper] INVALID_CODE_PATH"); } - write_ad9361_reg(device, 0x004, device->regs.inputsel); + _io_iface->poke8(0x004, _regs.inputsel); /* Store vcodiv setting. */ - device->regs.vcodivs = (device->regs.vcodivs & 0xF0) | (i & 0x0F); + _regs.vcodivs = (_regs.vcodivs & 0xF0) | (i & 0x0F); /* Setup the synthesizer. */ - setup_synth(device, RX_TYPE, actual_vcorate); + _setup_synth(RX, actual_vcorate); /* Tune!!!! */ - write_ad9361_reg(device, 0x233, nfrac & 0xFF); - write_ad9361_reg(device, 0x234, (nfrac >> 8) & 0xFF); - write_ad9361_reg(device, 0x235, (nfrac >> 16) & 0xFF); - write_ad9361_reg(device, 0x232, (nint >> 8) & 0xFF); - write_ad9361_reg(device, 0x231, nint & 0xFF); - write_ad9361_reg(device, 0x005, device->regs.vcodivs); + _io_iface->poke8(0x233, nfrac & 0xFF); + _io_iface->poke8(0x234, (nfrac >> 8) & 0xFF); + _io_iface->poke8(0x235, (nfrac >> 16) & 0xFF); + _io_iface->poke8(0x232, (nint >> 8) & 0xFF); + _io_iface->poke8(0x231, nint & 0xFF); + _io_iface->poke8(0x005, _regs.vcodivs); /* Lock the PLL! */ - ad9361_msleep(2); - if((read_ad9361_reg(device, 0x247) & 0x02) == 0) { + boost::this_thread::sleep(boost::posix_time::milliseconds(2)); + if ((_io_iface->peek8(0x247) & 0x02) == 0) { post_err_msg("RX PLL NOT LOCKED"); } - device->rx_freq = actual_lo; + _rx_freq = actual_lo; return actual_lo; } else { - device->req_tx_freq = value; + _req_tx_freq = value; /* Set band-specific settings. */ - if(value < ad9361_client_get_band_edge(device->product, AD9361_TX_BAND0)) { - device->regs.inputsel = device->regs.inputsel | 0x40; - } else if((value >= ad9361_client_get_band_edge(device->product, AD9361_TX_BAND0)) && - (value <= 6e9)) { - device->regs.inputsel = device->regs.inputsel & 0xBF; + if (value < _client_params->get_band_edge(AD9361_TX_BAND0)) { + _regs.inputsel = _regs.inputsel | 0x40; + } else if ((value + >= _client_params->get_band_edge(AD9361_TX_BAND0)) + && (value <= 6e9)) { + _regs.inputsel = _regs.inputsel & 0xBF; } else { - post_err_msg("[tune_helper] INVALID_CODE_PATH"); + post_err_msg("[_tune_helper] INVALID_CODE_PATH"); } - write_ad9361_reg(device, 0x004, device->regs.inputsel); + _io_iface->poke8(0x004, _regs.inputsel); /* Store vcodiv setting. */ - device->regs.vcodivs = (device->regs.vcodivs & 0x0F) | ((i & 0x0F) << 4); + _regs.vcodivs = (_regs.vcodivs & 0x0F) | ((i & 0x0F) << 4); /* Setup the synthesizer. */ - setup_synth(device, TX_TYPE, actual_vcorate); + _setup_synth(TX, actual_vcorate); /* Tune it, homey. */ - write_ad9361_reg(device, 0x273, nfrac & 0xFF); - write_ad9361_reg(device, 0x274, (nfrac >> 8) & 0xFF); - write_ad9361_reg(device, 0x275, (nfrac >> 16) & 0xFF); - write_ad9361_reg(device, 0x272, (nint >> 8) & 0xFF); - write_ad9361_reg(device, 0x271, nint & 0xFF); - write_ad9361_reg(device, 0x005, device->regs.vcodivs); + _io_iface->poke8(0x273, nfrac & 0xFF); + _io_iface->poke8(0x274, (nfrac >> 8) & 0xFF); + _io_iface->poke8(0x275, (nfrac >> 16) & 0xFF); + _io_iface->poke8(0x272, (nint >> 8) & 0xFF); + _io_iface->poke8(0x271, nint & 0xFF); + _io_iface->poke8(0x005, _regs.vcodivs); /* Lock the PLL! */ - ad9361_msleep(2); - if((read_ad9361_reg(device, 0x287) & 0x02) == 0) { + boost::this_thread::sleep(boost::posix_time::milliseconds(2)); + if ((_io_iface->peek8(0x287) & 0x02) == 0) { post_err_msg("TX PLL NOT LOCKED"); } - device->tx_freq = actual_lo; + _tx_freq = actual_lo; return actual_lo; } @@ -1283,11 +1259,11 @@ double tune_helper(ad9361_device_t* device, int which, const double value) { * a requested TX & RX rate, it sets the interpolation & decimation filters, * and tunes the VCO that feeds the ADCs and DACs. */ -double setup_rates(ad9361_device_t* device, const double rate) { - +double ad9361_device_t::_setup_rates(const double rate) +{ /* If we make it into this function, then we are tuning to a new rate. * Store the new rate. */ - device->req_clock_rate = rate; + _req_clock_rate = rate; /* Set the decimation and interpolation values in the RX and TX chains. * This also switches filters in / out. Note that all transmitters and @@ -1295,343 +1271,348 @@ double setup_rates(ad9361_device_t* device, const double rate) { * bring-up, and then they will be switched out to reflect the actual * user-requested antenna selections. */ int divfactor = 0; - device->tfir_factor = 0; - if(rate < 0.33e6) { + _tfir_factor = 0; + if (rate < 0.33e6) { // RX1 + RX2 enabled, 3, 2, 2, 4 - device->regs.rxfilt = B8( 11101111 ) ; + _regs.rxfilt = B8(11101111); // TX1 + TX2 enabled, 3, 2, 2, 4 - device->regs.txfilt = B8( 11101111 ) ; + _regs.txfilt = B8(11101111); divfactor = 48; - device->tfir_factor = 2; - } else if(rate < 0.66e6) { + _tfir_factor = 2; + } else if (rate < 0.66e6) { // RX1 + RX2 enabled, 2, 2, 2, 4 - device->regs.rxfilt = B8( 11011111 ) ; + _regs.rxfilt = B8(11011111); // TX1 + TX2 enabled, 2, 2, 2, 4 - device->regs.txfilt = B8( 11011111 ) ; + _regs.txfilt = B8(11011111); divfactor = 32; - device->tfir_factor = 2; - } else if(rate <= 20e6) { + _tfir_factor = 2; + } else if (rate <= 20e6) { // RX1 + RX2 enabled, 2, 2, 2, 2 - device->regs.rxfilt = B8( 11011110 ) ; + _regs.rxfilt = B8(11011110); // TX1 + TX2 enabled, 2, 2, 2, 2 - device->regs.txfilt = B8( 11011110 ) ; + _regs.txfilt = B8(11011110); divfactor = 16; - device->tfir_factor = 2; - } else if((rate > 20e6) && (rate < 23e6)) { + _tfir_factor = 2; + } else if ((rate > 20e6) && (rate < 23e6)) { // RX1 + RX2 enabled, 3, 2, 2, 2 - device->regs.rxfilt = B8( 11101110 ) ; + _regs.rxfilt = B8(11101110); // TX1 + TX2 enabled, 3, 1, 2, 2 - device->regs.txfilt = B8( 11100110 ) ; + _regs.txfilt = B8(11100110); divfactor = 24; - device->tfir_factor = 2; - } else if((rate >= 23e6) && (rate < 41e6)) { + _tfir_factor = 2; + } else if ((rate >= 23e6) && (rate < 41e6)) { // RX1 + RX2 enabled, 2, 2, 2, 2 - device->regs.rxfilt = B8( 11011110 ) ; + _regs.rxfilt = B8(11011110); // TX1 + TX2 enabled, 1, 2, 2, 2 - device->regs.txfilt = B8( 11001110 ) ; + _regs.txfilt = B8(11001110); divfactor = 16; - device->tfir_factor = 2; - } else if((rate >= 41e6) && (rate <= 56e6)) { + _tfir_factor = 2; + } else if ((rate >= 41e6) && (rate <= 56e6)) { // RX1 + RX2 enabled, 3, 1, 2, 2 - device->regs.rxfilt = B8( 11100110 ) ; + _regs.rxfilt = B8(11100110); // TX1 + TX2 enabled, 3, 1, 1, 2 - device->regs.txfilt = B8( 11100010 ) ; + _regs.txfilt = B8(11100010); divfactor = 12; - device->tfir_factor = 2; - } else if((rate > 56e6) && (rate <= 61.44e6)) { + _tfir_factor = 2; + } else if ((rate > 56e6) && (rate <= 61.44e6)) { // RX1 + RX2 enabled, 3, 1, 1, 2 - device->regs.rxfilt = B8( 11100010 ) ; + _regs.rxfilt = B8(11100010); // TX1 + TX2 enabled, 3, 1, 1, 1 - device->regs.txfilt = B8( 11100001 ) ; + _regs.txfilt = B8(11100001); divfactor = 6; - device->tfir_factor = 1; + _tfir_factor = 1; } else { // should never get in here - post_err_msg("[setup_rates] INVALID_CODE_PATH"); + post_err_msg("[_setup_rates] INVALID_CODE_PATH"); } - msg("[setup_rates] divfactor=%d", divfactor); + msg("[_setup_rates] divfactor=%d", divfactor); /* Tune the BBPLL to get the ADC and DAC clocks. */ - const double adcclk = tune_bbvco(device, rate * divfactor); + const double adcclk = _tune_bbvco(rate * divfactor); double dacclk = adcclk; /* The DAC clock must be <= 336e6, and is either the ADC clock or 1/2 the * ADC clock.*/ - if(adcclk > 336e6) { + if (adcclk > 336e6) { /* Make the DAC clock = ADC/2, and bypass the TXFIR. */ - device->regs.bbpll = device->regs.bbpll | 0x08; + _regs.bbpll = _regs.bbpll | 0x08; dacclk = adcclk / 2.0; } else { - device->regs.bbpll = device->regs.bbpll & 0xF7; + _regs.bbpll = _regs.bbpll & 0xF7; } /* Set the dividers / interpolators in AD9361. */ - write_ad9361_reg(device, 0x002, device->regs.txfilt); - write_ad9361_reg(device, 0x003, device->regs.rxfilt); - write_ad9361_reg(device, 0x004, device->regs.inputsel); - write_ad9361_reg(device, 0x00A, device->regs.bbpll); - - msg("[setup_rates] adcclk=%f", adcclk); - device->baseband_bw = (adcclk / divfactor); - - /* - The Tx & Rx FIR calculate 16 taps per clock cycle. This limits the number of available taps to the ratio of DAC_CLK/ADC_CLK - to the input data rate multiplied by 16. For example, if the input data rate is 25 MHz and DAC_CLK is 100 MHz, - then the ratio of DAC_CLK to the input data rate is 100/25 or 4. In this scenario, the total number of taps available is 64. - - Also, whilst the Rx FIR filter always has memory available for 128 taps, the Tx FIR Filter can only support a maximum length of 64 taps - in 1x interpolation mode, and 128 taps in 2x & 4x modes. - */ - const int max_tx_taps = AD9361_MIN(AD9361_MIN((16 * (int)((dacclk / rate) + 0.5)), 128), - (device->tfir_factor==1) ? 64 : 128); - const int max_rx_taps = AD9361_MIN((16 * (int)((adcclk / rate) + 0.5)), 128); + _io_iface->poke8(0x002, _regs.txfilt); + _io_iface->poke8(0x003, _regs.rxfilt); + _io_iface->poke8(0x004, _regs.inputsel); + _io_iface->poke8(0x00A, _regs.bbpll); + + msg("[_setup_rates] adcclk=%f", adcclk); + _baseband_bw = (adcclk / divfactor); + + /* + The Tx & Rx FIR calculate 16 taps per clock cycle. This limits the number of available taps to the ratio of DAC_CLK/ADC_CLK + to the input data rate multiplied by 16. For example, if the input data rate is 25 MHz and DAC_CLK is 100 MHz, + then the ratio of DAC_CLK to the input data rate is 100/25 or 4. In this scenario, the total number of taps available is 64. + + Also, whilst the Rx FIR filter always has memory available for 128 taps, the Tx FIR Filter can only support a maximum length of 64 taps + in 1x interpolation mode, and 128 taps in 2x & 4x modes. + */ + const int max_tx_taps = AD9361_MIN( + AD9361_MIN((16 * (int)((dacclk / rate) + 0.5)), 128), + (_tfir_factor == 1) ? 64 : 128); + const int max_rx_taps = AD9361_MIN((16 * (int )((adcclk / rate) + 0.5)), + 128); const int num_tx_taps = get_num_taps(max_tx_taps); const int num_rx_taps = get_num_taps(max_rx_taps); - setup_tx_fir(device, num_tx_taps); - setup_rx_fir(device, num_rx_taps); + _setup_tx_fir(num_tx_taps); + _setup_rx_fir(num_rx_taps); - return device->baseband_bw; + return _baseband_bw; } /*********************************************************************** * Publicly exported functions to host calls **********************************************************************/ -void init_ad9361(uint64_t handle) { - ad9361_device_t* device = get_ad9361_device(handle); +void ad9361_device_t::initialize() +{ /* Initialize shadow registers. */ - device->regs.vcodivs = 0x00; - device->regs.inputsel = 0x30; - device->regs.rxfilt = 0x00; - device->regs.txfilt = 0x00; - device->regs.bbpll = 0x02; - device->regs.bbftune_config = 0x1e; - device->regs.bbftune_mode = 0x1e; + _regs.vcodivs = 0x00; + _regs.inputsel = 0x30; + _regs.rxfilt = 0x00; + _regs.txfilt = 0x00; + _regs.bbpll = 0x02; + _regs.bbftune_config = 0x1e; + _regs.bbftune_mode = 0x1e; /* Initialize private VRQ fields. */ - device->rx_freq = 0.0; - device->tx_freq = 0.0; - device->req_rx_freq = 0.0; - device->req_tx_freq = 0.0; - device->baseband_bw = 0.0; - device->req_clock_rate = 0.0; - device->req_coreclk = 0.0; - device->bbpll_freq = 0.0; - device->adcclock_freq = 0.0; - device->rx_bbf_tunediv = 0; - device->curr_gain_table = 0; - device->rx1_gain = 0; - device->rx2_gain = 0; - device->tx1_gain = 0; - device->tx2_gain = 0; + _rx_freq = 0.0; + _tx_freq = 0.0; + _req_rx_freq = 0.0; + _req_tx_freq = 0.0; + _baseband_bw = 0.0; + _req_clock_rate = 0.0; + _req_coreclk = 0.0; + _bbpll_freq = 0.0; + _adcclock_freq = 0.0; + _rx_bbf_tunediv = 0; + _curr_gain_table = 0; + _rx1_gain = 0; + _rx2_gain = 0; + _tx1_gain = 0; + _tx2_gain = 0; /* Reset the device. */ - write_ad9361_reg(device, 0x000,0x01); - write_ad9361_reg(device, 0x000,0x00); - ad9361_msleep(20); + _io_iface->poke8(0x000, 0x01); + _io_iface->poke8(0x000, 0x00); + boost::this_thread::sleep(boost::posix_time::milliseconds(20)); /* There is not a WAT big enough for this. */ - write_ad9361_reg(device, 0x3df, 0x01); + _io_iface->poke8(0x3df, 0x01); - write_ad9361_reg(device, 0x2a6, 0x0e); // Enable master bias - write_ad9361_reg(device, 0x2a8, 0x0e); // Set bandgap trim + _io_iface->poke8(0x2a6, 0x0e); // Enable master bias + _io_iface->poke8(0x2a8, 0x0e); // Set bandgap trim /* Set RFPLL ref clock scale to REFCLK * 2 */ - write_ad9361_reg(device, 0x2ab, 0x07); - write_ad9361_reg(device, 0x2ac, 0xff); + _io_iface->poke8(0x2ab, 0x07); + _io_iface->poke8(0x2ac, 0xff); /* Enable clocks. */ - switch (ad9361_client_get_clocking_mode(device->product)) { - case AD9361_XTAL_N_CLK_PATH: { - write_ad9361_reg(device, 0x009, 0x17); - } break; - - case AD9361_XTAL_P_CLK_PATH: { - write_ad9361_reg(device, 0x009, 0x07); - write_ad9361_reg(device, 0x292, 0x08); - write_ad9361_reg(device, 0x293, 0x80); - write_ad9361_reg(device, 0x294, 0x00); - write_ad9361_reg(device, 0x295, 0x14); - } break; - - default: - post_err_msg("NOT IMPLEMENTED"); + switch (_client_params->get_clocking_mode()) { + case AD9361_XTAL_N_CLK_PATH: { + _io_iface->poke8(0x009, 0x17); + } break; + + case AD9361_XTAL_P_CLK_PATH: { + _io_iface->poke8(0x009, 0x07); + _io_iface->poke8(0x292, 0x08); + _io_iface->poke8(0x293, 0x80); + _io_iface->poke8(0x294, 0x00); + _io_iface->poke8(0x295, 0x14); + } break; + + default: + post_err_msg("NOT IMPLEMENTED"); } - ad9361_msleep(20); + boost::this_thread::sleep(boost::posix_time::milliseconds(20)); /* Tune the BBPLL, write TX and RX FIRS. */ - setup_rates(device, 50e6); + _setup_rates(50e6); /* Setup data ports (FDD dual port DDR): * FDD dual port DDR CMOS no swap. * Force TX on one port, RX on the other. */ - switch (ad9361_client_get_digital_interface_mode(device->product)) { - case AD9361_DDR_FDD_LVCMOS: { - write_ad9361_reg(device, 0x010, 0xc8); - write_ad9361_reg(device, 0x011, 0x00); - write_ad9361_reg(device, 0x012, 0x02); - } break; - - case AD9361_DDR_FDD_LVDS: { - write_ad9361_reg(device, 0x010, 0xcc); - write_ad9361_reg(device, 0x011, 0x00); - write_ad9361_reg(device, 0x012, 0x10); - - //LVDS Specific - write_ad9361_reg(device, 0x03C, 0x23); - write_ad9361_reg(device, 0x03D, 0xFF); - write_ad9361_reg(device, 0x03E, 0x0F); - } break; - - default: - post_err_msg("NOT IMPLEMENTED"); + switch (_client_params->get_digital_interface_mode()) { + case AD9361_DDR_FDD_LVCMOS: { + _io_iface->poke8(0x010, 0xc8); + _io_iface->poke8(0x011, 0x00); + _io_iface->poke8(0x012, 0x02); + } break; + + case AD9361_DDR_FDD_LVDS: { + _io_iface->poke8(0x010, 0xcc); + _io_iface->poke8(0x011, 0x00); + _io_iface->poke8(0x012, 0x10); + + //LVDS Specific + _io_iface->poke8(0x03C, 0x23); + _io_iface->poke8(0x03D, 0xFF); + _io_iface->poke8(0x03E, 0x0F); + } break; + + default: + post_err_msg("NOT IMPLEMENTED"); } /* Data delay for TX and RX data clocks */ - digital_interface_delays_t timing = ad9361_client_get_digital_interface_timing(device->product); - uint8_t rx_delays = ((timing.rx_clk_delay & 0xF) << 4) | (timing.rx_data_delay & 0xF); - uint8_t tx_delays = ((timing.tx_clk_delay & 0xF) << 4) | (timing.tx_data_delay & 0xF); - write_ad9361_reg(device, 0x006, rx_delays); - write_ad9361_reg(device, 0x007, tx_delays); + digital_interface_delays_t timing = + _client_params->get_digital_interface_timing(); + uint8_t rx_delays = ((timing.rx_clk_delay & 0xF) << 4) + | (timing.rx_data_delay & 0xF); + uint8_t tx_delays = ((timing.tx_clk_delay & 0xF) << 4) + | (timing.tx_data_delay & 0xF); + _io_iface->poke8(0x006, rx_delays); + _io_iface->poke8(0x007, tx_delays); /* Setup AuxDAC */ - write_ad9361_reg(device, 0x018, 0x00); // AuxDAC1 Word[9:2] - write_ad9361_reg(device, 0x019, 0x00); // AuxDAC2 Word[9:2] - write_ad9361_reg(device, 0x01A, 0x00); // AuxDAC1 Config and Word[1:0] - write_ad9361_reg(device, 0x01B, 0x00); // AuxDAC2 Config and Word[1:0] - write_ad9361_reg(device, 0x022, 0x4A); // Invert Bypassed LNA - write_ad9361_reg(device, 0x023, 0xFF); // AuxDAC Manaul/Auto Control - write_ad9361_reg(device, 0x026, 0x00); // AuxDAC Manual Select Bit/GPO Manual Select - write_ad9361_reg(device, 0x030, 0x00); // AuxDAC1 Rx Delay - write_ad9361_reg(device, 0x031, 0x00); // AuxDAC1 Tx Delay - write_ad9361_reg(device, 0x032, 0x00); // AuxDAC2 Rx Delay - write_ad9361_reg(device, 0x033, 0x00); // AuxDAC2 Tx Delay + _io_iface->poke8(0x018, 0x00); // AuxDAC1 Word[9:2] + _io_iface->poke8(0x019, 0x00); // AuxDAC2 Word[9:2] + _io_iface->poke8(0x01A, 0x00); // AuxDAC1 Config and Word[1:0] + _io_iface->poke8(0x01B, 0x00); // AuxDAC2 Config and Word[1:0] + _io_iface->poke8(0x022, 0x4A); // Invert Bypassed LNA + _io_iface->poke8(0x023, 0xFF); // AuxDAC Manaul/Auto Control + _io_iface->poke8(0x026, 0x00); // AuxDAC Manual Select Bit/GPO Manual Select + _io_iface->poke8(0x030, 0x00); // AuxDAC1 Rx Delay + _io_iface->poke8(0x031, 0x00); // AuxDAC1 Tx Delay + _io_iface->poke8(0x032, 0x00); // AuxDAC2 Rx Delay + _io_iface->poke8(0x033, 0x00); // AuxDAC2 Tx Delay /* Setup AuxADC */ - write_ad9361_reg(device, 0x00B, 0x00); // Temp Sensor Setup (Offset) - write_ad9361_reg(device, 0x00C, 0x00); // Temp Sensor Setup (Temp Window) - write_ad9361_reg(device, 0x00D, 0x03); // Temp Sensor Setup (Periodic Measure) - write_ad9361_reg(device, 0x00F, 0x04); // Temp Sensor Setup (Decimation) - write_ad9361_reg(device, 0x01C, 0x10); // AuxADC Setup (Clock Div) - write_ad9361_reg(device, 0x01D, 0x01); // AuxADC Setup (Decimation/Enable) + _io_iface->poke8(0x00B, 0x00); // Temp Sensor Setup (Offset) + _io_iface->poke8(0x00C, 0x00); // Temp Sensor Setup (Temp Window) + _io_iface->poke8(0x00D, 0x03); // Temp Sensor Setup (Periodic Measure) + _io_iface->poke8(0x00F, 0x04); // Temp Sensor Setup (Decimation) + _io_iface->poke8(0x01C, 0x10); // AuxADC Setup (Clock Div) + _io_iface->poke8(0x01D, 0x01); // AuxADC Setup (Decimation/Enable) /* Setup control outputs. */ - write_ad9361_reg(device, 0x035, 0x07); - write_ad9361_reg(device, 0x036, 0xFF); + _io_iface->poke8(0x035, 0x07); + _io_iface->poke8(0x036, 0xFF); /* Setup GPO */ - write_ad9361_reg(device, 0x03a, 0x27); //set delay register - write_ad9361_reg(device, 0x020, 0x00); // GPO Auto Enable Setup in RX and TX - write_ad9361_reg(device, 0x027, 0x03); // GPO Manual and GPO auto value in ALERT - write_ad9361_reg(device, 0x028, 0x00); // GPO_0 RX Delay - write_ad9361_reg(device, 0x029, 0x00); // GPO_1 RX Delay - write_ad9361_reg(device, 0x02A, 0x00); // GPO_2 RX Delay - write_ad9361_reg(device, 0x02B, 0x00); // GPO_3 RX Delay - write_ad9361_reg(device, 0x02C, 0x00); // GPO_0 TX Delay - write_ad9361_reg(device, 0x02D, 0x00); // GPO_1 TX Delay - write_ad9361_reg(device, 0x02E, 0x00); // GPO_2 TX Delay - write_ad9361_reg(device, 0x02F, 0x00); // GPO_3 TX Delay - - write_ad9361_reg(device, 0x261, 0x00); // RX LO power - write_ad9361_reg(device, 0x2a1, 0x00); // TX LO power - write_ad9361_reg(device, 0x248, 0x0b); // en RX VCO LDO - write_ad9361_reg(device, 0x288, 0x0b); // en TX VCO LDO - write_ad9361_reg(device, 0x246, 0x02); // pd RX cal Tcf - write_ad9361_reg(device, 0x286, 0x02); // pd TX cal Tcf - write_ad9361_reg(device, 0x249, 0x8e); // rx vco cal length - write_ad9361_reg(device, 0x289, 0x8e); // rx vco cal length - write_ad9361_reg(device, 0x23b, 0x80); // set RX MSB?, FIXME 0x89 magic cp - write_ad9361_reg(device, 0x27b, 0x80); // "" TX //FIXME 0x88 see above - write_ad9361_reg(device, 0x243, 0x0d); // set rx prescaler bias - write_ad9361_reg(device, 0x283, 0x0d); // "" TX - - write_ad9361_reg(device, 0x23d, 0x00); // Clear half VCO cal clock setting - write_ad9361_reg(device, 0x27d, 0x00); // Clear half VCO cal clock setting + _io_iface->poke8(0x03a, 0x27); //set delay register + _io_iface->poke8(0x020, 0x00); // GPO Auto Enable Setup in RX and TX + _io_iface->poke8(0x027, 0x03); // GPO Manual and GPO auto value in ALERT + _io_iface->poke8(0x028, 0x00); // GPO_0 RX Delay + _io_iface->poke8(0x029, 0x00); // GPO_1 RX Delay + _io_iface->poke8(0x02A, 0x00); // GPO_2 RX Delay + _io_iface->poke8(0x02B, 0x00); // GPO_3 RX Delay + _io_iface->poke8(0x02C, 0x00); // GPO_0 TX Delay + _io_iface->poke8(0x02D, 0x00); // GPO_1 TX Delay + _io_iface->poke8(0x02E, 0x00); // GPO_2 TX Delay + _io_iface->poke8(0x02F, 0x00); // GPO_3 TX Delay + + _io_iface->poke8(0x261, 0x00); // RX LO power + _io_iface->poke8(0x2a1, 0x00); // TX LO power + _io_iface->poke8(0x248, 0x0b); // en RX VCO LDO + _io_iface->poke8(0x288, 0x0b); // en TX VCO LDO + _io_iface->poke8(0x246, 0x02); // pd RX cal Tcf + _io_iface->poke8(0x286, 0x02); // pd TX cal Tcf + _io_iface->poke8(0x249, 0x8e); // rx vco cal length + _io_iface->poke8(0x289, 0x8e); // rx vco cal length + _io_iface->poke8(0x23b, 0x80); // set RX MSB?, FIXME 0x89 magic cp + _io_iface->poke8(0x27b, 0x80); // "" TX //FIXME 0x88 see above + _io_iface->poke8(0x243, 0x0d); // set rx prescaler bias + _io_iface->poke8(0x283, 0x0d); // "" TX + + _io_iface->poke8(0x23d, 0x00); // Clear half VCO cal clock setting + _io_iface->poke8(0x27d, 0x00); // Clear half VCO cal clock setting /* The order of the following process is EXTREMELY important. If the * below functions are modified at all, device initialization and * calibration might be broken in the process! */ - write_ad9361_reg(device, 0x015, 0x04); // dual synth mode, synth en ctrl en - write_ad9361_reg(device, 0x014, 0x05); // use SPI for TXNRX ctrl, to ALERT, TX on - write_ad9361_reg(device, 0x013, 0x01); // enable ENSM - ad9361_msleep(1); + _io_iface->poke8(0x015, 0x04); // dual synth mode, synth en ctrl en + _io_iface->poke8(0x014, 0x05); // use SPI for TXNRX ctrl, to ALERT, TX on + _io_iface->poke8(0x013, 0x01); // enable ENSM + boost::this_thread::sleep(boost::posix_time::milliseconds(1)); - calibrate_synth_charge_pumps(device); + _calibrate_synth_charge_pumps(); - tune_helper(device, RX_TYPE, 800e6); - tune_helper(device, TX_TYPE, 850e6); + _tune_helper(RX, 800e6); + _tune_helper(TX, 850e6); - program_mixer_gm_subtable(device); - program_gain_table(device); - setup_gain_control(device); + _program_mixer_gm_subtable(); + _program_gain_table(); + _setup_gain_control(); - calibrate_baseband_rx_analog_filter(device); - calibrate_baseband_tx_analog_filter(device); - calibrate_rx_TIAs(device); - calibrate_secondary_tx_filter(device); + _calibrate_baseband_rx_analog_filter(); + _calibrate_baseband_tx_analog_filter(); + _calibrate_rx_TIAs(); + _calibrate_secondary_tx_filter(); - setup_adc(device); + _setup_adc(); - calibrate_tx_quadrature(device); - calibrate_rx_quadrature(device); + _calibrate_tx_quadrature(); + _calibrate_rx_quadrature(); // cals done, set PPORT config - switch (ad9361_client_get_digital_interface_mode(device->product)) { - case AD9361_DDR_FDD_LVCMOS: { - write_ad9361_reg(device, 0x012, 0x02); - } break; + switch (_client_params->get_digital_interface_mode()) { + case AD9361_DDR_FDD_LVCMOS: { + _io_iface->poke8(0x012, 0x02); + } break; - case AD9361_DDR_FDD_LVDS: { - write_ad9361_reg(device, 0x012, 0x10); - } break; + case AD9361_DDR_FDD_LVDS: { + _io_iface->poke8(0x012, 0x10); + } break; - default: - post_err_msg("NOT IMPLEMENTED"); + default: + post_err_msg("NOT IMPLEMENTED"); } - write_ad9361_reg(device, 0x013, 0x01); // Set ENSM FDD bit - write_ad9361_reg(device, 0x015, 0x04); // dual synth mode, synth en ctrl en + _io_iface->poke8(0x013, 0x01); // Set ENSM FDD bit + _io_iface->poke8(0x015, 0x04); // dual synth mode, synth en ctrl en /* Default TX attentuation to 10dB on both TX1 and TX2 */ - write_ad9361_reg(device, 0x073, 0x00); - write_ad9361_reg(device, 0x074, 0x00); - write_ad9361_reg(device, 0x075, 0x00); - write_ad9361_reg(device, 0x076, 0x00); + _io_iface->poke8(0x073, 0x00); + _io_iface->poke8(0x074, 0x00); + _io_iface->poke8(0x075, 0x00); + _io_iface->poke8(0x076, 0x00); /* Setup RSSI Measurements */ - write_ad9361_reg(device, 0x150, 0x0E); // RSSI Measurement Duration 0, 1 - write_ad9361_reg(device, 0x151, 0x00); // RSSI Measurement Duration 2, 3 - write_ad9361_reg(device, 0x152, 0xFF); // RSSI Weighted Multiplier 0 - write_ad9361_reg(device, 0x153, 0x00); // RSSI Weighted Multiplier 1 - write_ad9361_reg(device, 0x154, 0x00); // RSSI Weighted Multiplier 2 - write_ad9361_reg(device, 0x155, 0x00); // RSSI Weighted Multiplier 3 - write_ad9361_reg(device, 0x156, 0x00); // RSSI Delay - write_ad9361_reg(device, 0x157, 0x00); // RSSI Wait - write_ad9361_reg(device, 0x158, 0x0D); // RSSI Mode Select - write_ad9361_reg(device, 0x15C, 0x67); // Power Measurement Duration + _io_iface->poke8(0x150, 0x0E); // RSSI Measurement Duration 0, 1 + _io_iface->poke8(0x151, 0x00); // RSSI Measurement Duration 2, 3 + _io_iface->poke8(0x152, 0xFF); // RSSI Weighted Multiplier 0 + _io_iface->poke8(0x153, 0x00); // RSSI Weighted Multiplier 1 + _io_iface->poke8(0x154, 0x00); // RSSI Weighted Multiplier 2 + _io_iface->poke8(0x155, 0x00); // RSSI Weighted Multiplier 3 + _io_iface->poke8(0x156, 0x00); // RSSI Delay + _io_iface->poke8(0x157, 0x00); // RSSI Wait + _io_iface->poke8(0x158, 0x0D); // RSSI Mode Select + _io_iface->poke8(0x15C, 0x67); // Power Measurement Duration /* Turn on the default RX & TX chains. */ - set_active_chains(handle, true, false, false, false); + set_active_chains(true, false, false, false); /* Set TXers & RXers on (only works in FDD mode) */ - write_ad9361_reg(device, 0x014, 0x21); + _io_iface->poke8(0x014, 0x21); } @@ -1640,10 +1621,9 @@ void init_ad9361(uint64_t handle) { * achieve the user's requested rate. * * This is the only clock setting function that is exposed to the outside. */ -double set_clock_rate(uint64_t handle, const double req_rate) { - ad9361_device_t* device = get_ad9361_device(handle); - - if(req_rate > 61.44e6) { +double ad9361_device_t::set_clock_rate(const double req_rate) +{ + if (req_rate > 61.44e6) { post_err_msg("Requested master clock rate outside range"); } @@ -1652,105 +1632,105 @@ double set_clock_rate(uint64_t handle, const double req_rate) { /* UHD has a habit of requesting the same rate like four times when it * starts up. This prevents that, and any bugs in user code that request * the same rate over and over. */ - if(freq_is_nearly_equal(req_rate, device->req_clock_rate)) { - return device->baseband_bw; + if (freq_is_nearly_equal(req_rate, _req_clock_rate)) { + return _baseband_bw; } /* We must be in the SLEEP / WAIT state to do this. If we aren't already * there, transition the ENSM to State 0. */ - uint8_t current_state = read_ad9361_reg(device, 0x017) & 0x0F; - switch(current_state) { - case 0x05: - /* We are in the ALERT state. */ - write_ad9361_reg(device, 0x014, 0x21); - ad9361_msleep(5); - write_ad9361_reg(device, 0x014, 0x00); - break; - - case 0x0A: - /* We are in the FDD state. */ - write_ad9361_reg(device, 0x014, 0x00); - break; - - default: - post_err_msg("[set_clock_rate:1] AD9361 in unknown state"); - break; + uint8_t current_state = _io_iface->peek8(0x017) & 0x0F; + switch (current_state) { + case 0x05: + /* We are in the ALERT state. */ + _io_iface->poke8(0x014, 0x21); + boost::this_thread::sleep(boost::posix_time::milliseconds(5)); + _io_iface->poke8(0x014, 0x00); + break; + + case 0x0A: + /* We are in the FDD state. */ + _io_iface->poke8(0x014, 0x00); + break; + + default: + post_err_msg("[set_clock_rate:1] AD9361 in unknown state"); + break; }; /* Store the current chain / antenna selections so that we can restore * them at the end of this routine; all chains will be enabled from * within setup_rates for calibration purposes. */ - uint8_t orig_tx_chains = device->regs.txfilt & 0xC0; - uint8_t orig_rx_chains = device->regs.rxfilt & 0xC0; + uint8_t orig_tx_chains = _regs.txfilt & 0xC0; + uint8_t orig_rx_chains = _regs.rxfilt & 0xC0; /* Call into the clock configuration / settings function. This is where * all the hard work gets done. */ - double rate = setup_rates(device, req_rate); + double rate = _setup_rates(req_rate); msg("[set_clock_rate] rate=%.10f", rate); /* Transition to the ALERT state and calibrate everything. */ - write_ad9361_reg(device, 0x015, 0x04); //dual synth mode, synth en ctrl en - write_ad9361_reg(device, 0x014, 0x05); //use SPI for TXNRX ctrl, to ALERT, TX on - write_ad9361_reg(device, 0x013, 0x01); //enable ENSM - ad9361_msleep(1); + _io_iface->poke8(0x015, 0x04); //dual synth mode, synth en ctrl en + _io_iface->poke8(0x014, 0x05); //use SPI for TXNRX ctrl, to ALERT, TX on + _io_iface->poke8(0x013, 0x01); //enable ENSM + boost::this_thread::sleep(boost::posix_time::milliseconds(1)); - calibrate_synth_charge_pumps(device); + _calibrate_synth_charge_pumps(); - tune_helper(device, RX_TYPE, device->rx_freq); - tune_helper(device, TX_TYPE, device->tx_freq); + _tune_helper(RX, _rx_freq); + _tune_helper(TX, _tx_freq); - program_mixer_gm_subtable(device); - program_gain_table(device); - setup_gain_control(device); - program_gains(handle); + _program_mixer_gm_subtable(); + _program_gain_table(); + _setup_gain_control(); + _reprogram_gains(); - calibrate_baseband_rx_analog_filter(device); - calibrate_baseband_tx_analog_filter(device); - calibrate_rx_TIAs(device); - calibrate_secondary_tx_filter(device); + _calibrate_baseband_rx_analog_filter(); + _calibrate_baseband_tx_analog_filter(); + _calibrate_rx_TIAs(); + _calibrate_secondary_tx_filter(); - setup_adc(device); + _setup_adc(); - calibrate_tx_quadrature(device); - calibrate_rx_quadrature(device); + _calibrate_tx_quadrature(); + _calibrate_rx_quadrature(); // cals done, set PPORT config - switch (ad9361_client_get_digital_interface_mode(device->product)) { + switch (_client_params->get_digital_interface_mode()) { case AD9361_DDR_FDD_LVCMOS: { - write_ad9361_reg(device, 0x012, 0x02); - } break; + _io_iface->poke8(0x012, 0x02); + }break; case AD9361_DDR_FDD_LVDS: { - write_ad9361_reg(device, 0x012, 0x10); - } break; + _io_iface->poke8(0x012, 0x10); + }break; default: - post_err_msg("NOT IMPLEMENTED"); + post_err_msg("NOT IMPLEMENTED"); } - write_ad9361_reg(device, 0x013, 0x01); // Set ENSM FDD bit - write_ad9361_reg(device, 0x015, 0x04); // dual synth mode, synth en ctrl en + _io_iface->poke8(0x013, 0x01); // Set ENSM FDD bit + _io_iface->poke8(0x015, 0x04); // dual synth mode, synth en ctrl en /* End the function in the same state as the entry state. */ - switch(current_state) { - case 0x05: - /* We are already in ALERT. */ - break; - - case 0x0A: - /* Transition back to FDD, and restore the original antenna - * / chain selections. */ - device->regs.txfilt = (device->regs.txfilt & 0x3F) | orig_tx_chains; - device->regs.rxfilt = (device->regs.rxfilt & 0x3F) | orig_rx_chains; - - write_ad9361_reg(device, 0x002, device->regs.txfilt); - write_ad9361_reg(device, 0x003, device->regs.rxfilt); - write_ad9361_reg(device, 0x014, 0x21); - break; - - default: - post_err_msg("[set_clock_rate:2] AD9361 in unknown state"); - break; + switch (current_state) { + case 0x05: + /* We are already in ALERT. */ + break; + + case 0x0A: + /* Transition back to FDD, and restore the original antenna + * / chain selections. */ + _regs.txfilt = (_regs.txfilt & 0x3F) | orig_tx_chains; + _regs.rxfilt = (_regs.rxfilt & 0x3F) | orig_rx_chains; + + _io_iface->poke8(0x002, _regs.txfilt); + _io_iface->poke8(0x003, _regs.rxfilt); + _io_iface->poke8(0x014, 0x21); + break; + + default: + post_err_msg("[set_clock_rate:2] AD9361 in unknown state"); + break; }; return rate; @@ -1775,40 +1755,47 @@ double set_clock_rate(uint64_t handle, const double req_rate) { * TX / RX2 Side B RX2 (when switched to RX) * RX2 Side B RX2 */ -void set_active_chains(uint64_t handle, bool tx1, bool tx2, bool rx1, bool rx2) { - ad9361_device_t* device = get_ad9361_device(handle); - +void ad9361_device_t::set_active_chains(bool tx1, bool tx2, bool rx1, bool rx2) +{ /* Clear out the current active chain settings. */ - device->regs.txfilt = device->regs.txfilt & 0x3F; - device->regs.rxfilt = device->regs.rxfilt & 0x3F; + _regs.txfilt = _regs.txfilt & 0x3F; + _regs.rxfilt = _regs.rxfilt & 0x3F; /* Turn on the different chains based on the passed parameters. */ - if(tx1) { device->regs.txfilt = device->regs.txfilt | 0x40; } - if(tx2) { device->regs.txfilt = device->regs.txfilt | 0x80; } - if(rx1) { device->regs.rxfilt = device->regs.rxfilt | 0x40; } - if(rx2) { device->regs.rxfilt = device->regs.rxfilt | 0x80; } + if (tx1) { + _regs.txfilt = _regs.txfilt | 0x40; + } + if (tx2) { + _regs.txfilt = _regs.txfilt | 0x80; + } + if (rx1) { + _regs.rxfilt = _regs.rxfilt | 0x40; + } + if (rx2) { + _regs.rxfilt = _regs.rxfilt | 0x80; + } /* Check for FDD state */ uint8_t set_back_to_fdd = 0; - uint8_t ensm_state = read_ad9361_reg(device, 0x017) & 0x0F; + uint8_t ensm_state = _io_iface->peek8(0x017) & 0x0F; if (ensm_state == 0xA) // FDD - { + { /* Put into ALERT state (via the FDD flush state). */ - write_ad9361_reg(device, 0x014, 0x01); + _io_iface->poke8(0x014, 0x01); set_back_to_fdd = 1; } /* Wait for FDD flush state to complete (if necessary) */ while (ensm_state == 0xA || ensm_state == 0xB) - ensm_state = read_ad9361_reg(device, 0x017) & 0x0F; + ensm_state = _io_iface->peek8(0x017) & 0x0F; /* Turn on / off the chains. */ - write_ad9361_reg(device, 0x002, device->regs.txfilt); - write_ad9361_reg(device, 0x003, device->regs.rxfilt); + _io_iface->poke8(0x002, _regs.txfilt); + _io_iface->poke8(0x003, _regs.rxfilt); /* Put back into FDD state if necessary */ if (set_back_to_fdd) - write_ad9361_reg(device, 0x014, 0x21); + _io_iface->poke8(0x014, 0x21); } /* Tune the RX or TX frequency. @@ -1818,17 +1805,16 @@ void set_active_chains(uint64_t handle, bool tx1, bool tx2, bool rx1, bool rx2) * internal tune function. * * After tuning, it runs any appropriate calibrations. */ -double tune(uint64_t handle, int which, const double value) { - ad9361_device_t* device = get_ad9361_device(handle); - - if(which == RX_TYPE) { - if(freq_is_nearly_equal(value, device->req_rx_freq)) { - return device->rx_freq; +double ad9361_device_t::tune(direction_t direction, const double value) +{ + if (direction == RX) { + if (freq_is_nearly_equal(value, _req_rx_freq)) { + return _rx_freq; } - } else if(which == TX_TYPE) { - if(freq_is_nearly_equal(value, device->req_tx_freq)) { - return device->tx_freq; + } else if (direction == TX) { + if (freq_is_nearly_equal(value, _req_tx_freq)) { + return _tx_freq; } } else { @@ -1838,30 +1824,30 @@ double tune(uint64_t handle, int which, const double value) { /* If we aren't already in the ALERT state, we will need to return to * the FDD state after tuning. */ int not_in_alert = 0; - if((read_ad9361_reg(device, 0x017) & 0x0F) != 5) { + if ((_io_iface->peek8(0x017) & 0x0F) != 5) { /* Force the device into the ALERT state. */ not_in_alert = 1; - write_ad9361_reg(device, 0x014, 0x01); + _io_iface->poke8(0x014, 0x01); } /* Tune the RF VCO! */ - double tune_freq = tune_helper(device, which, value); + double tune_freq = _tune_helper(direction, value); /* Run any necessary calibrations / setups */ - if(which == RX_TYPE) { - program_gain_table(device); + if (direction == RX) { + _program_gain_table(); } /* Update the gain settings. */ - program_gains(handle); + _reprogram_gains(); /* Run the calibration algorithms. */ - calibrate_tx_quadrature(device); - calibrate_rx_quadrature(device); + _calibrate_tx_quadrature(); + _calibrate_rx_quadrature(); /* If we were in the FDD state, return it now. */ - if(not_in_alert) { - write_ad9361_reg(device, 0x014, 0x21); + if (not_in_alert) { + _io_iface->poke8(0x014, 0x21); } return tune_freq; @@ -1873,10 +1859,9 @@ double tune(uint64_t handle, int which, const double value) { * _not_ the gain index. This is the opposite of the eval software's GUI! * Also note that the RX chains are done in terms of gain, and the TX chains * are done in terms of attenuation. */ -double set_gain(uint64_t handle, int which, int n, const double value) { - ad9361_device_t* device = get_ad9361_device(handle); - - if(which == RX_TYPE) { +double ad9361_device_t::set_gain(direction_t direction, chain_t chain, const double value) +{ + if (direction == RX) { /* Indexing the gain tables requires an offset from the requested * amount of total gain in dB: * < 1300MHz: dB + 5 @@ -1884,9 +1869,9 @@ double set_gain(uint64_t handle, int which, int n, const double value) { * >= 4000MHz and <= 6000MHz: dB + 14 */ int gain_offset = 0; - if(device->rx_freq < 1300e6) { + if (_rx_freq < 1300e6) { gain_offset = 5; - } else if(device->rx_freq < 4000e6) { + } else if (_rx_freq < 4000e6) { gain_offset = 3; } else { gain_offset = 14; @@ -1895,105 +1880,42 @@ double set_gain(uint64_t handle, int which, int n, const double value) { int gain_index = value + gain_offset; /* Clip the gain values to the proper min/max gain values. */ - if(gain_index > 76) gain_index = 76; - if(gain_index < 0) gain_index = 0; - - if(n == 1) { - device->rx1_gain = value; - write_ad9361_reg(device, 0x109, gain_index); + if (gain_index > 76) + gain_index = 76; + if (gain_index < 0) + gain_index = 0; + + if (chain == CHAIN_1) { + _rx1_gain = value; + _io_iface->poke8(0x109, gain_index); } else { - device->rx2_gain = value; - write_ad9361_reg(device, 0x10c, gain_index); + _rx2_gain = value; + _io_iface->poke8(0x10c, gain_index); } return gain_index - gain_offset; } else { /* Setting the below bits causes a change in the TX attenuation word * to immediately take effect. */ - write_ad9361_reg(device, 0x077, 0x40); - write_ad9361_reg(device, 0x07c, 0x40); + _io_iface->poke8(0x077, 0x40); + _io_iface->poke8(0x07c, 0x40); /* Each gain step is -0.25dB. Calculate the attenuation necessary * for the requested gain, convert it into gain steps, then write * the attenuation word. Max gain (so zero attenuation) is 89.75. */ double atten = AD9361_MAX_GAIN - value; int attenreg = atten * 4; - if(n == 1) { - device->tx1_gain = value; - write_ad9361_reg(device, 0x073, attenreg & 0xFF); - write_ad9361_reg(device, 0x074, (attenreg >> 8) & 0x01); + if (chain == CHAIN_1) { + _tx1_gain = value; + _io_iface->poke8(0x073, attenreg & 0xFF); + _io_iface->poke8(0x074, (attenreg >> 8) & 0x01); } else { - device->tx2_gain = value; - write_ad9361_reg(device, 0x075, attenreg & 0xFF); - write_ad9361_reg(device, 0x076, (attenreg >> 8) & 0x01); + _tx2_gain = value; + _io_iface->poke8(0x075, attenreg & 0xFF); + _io_iface->poke8(0x076, (attenreg >> 8) & 0x01); } - return AD9361_MAX_GAIN - ((double)(attenreg)/ 4); + return AD9361_MAX_GAIN - ((double) (attenreg) / 4); } } -/* This function is responsible to dispatch the vendor request call - * to the proper handler - */ - -void ad9361_dispatch(const char* vrb, char* vrb_out) -{ - memcpy(vrb_out, vrb, AD9361_DISPATCH_PACKET_SIZE); //copy request to response memory - tmp_req_buffer = vrb_out; - - ////////////////////////////////////////////// - - double ret_val = 0.0; - int mask = 0; - - const ad9361_transaction_t *request = (const ad9361_transaction_t *)vrb; - ad9361_transaction_t *response = (ad9361_transaction_t *)vrb_out; - - //msg("[dispatch_vrq] action=%d", request->action); - //msg("[dispatch_vrq] action=%f", (double)request->action); - - switch (request->action) { - case AD9361_ACTION_ECHO: - break; // nothing to do - case AD9361_ACTION_INIT: - init_ad9361(request->handle); - break; - case AD9361_ACTION_SET_RX1_GAIN: - ret_val = set_gain(request->handle,RX_TYPE,1,ad9361_double_unpack(request->value.gain)); - ad9361_double_pack(ret_val, response->value.gain); - break; - case AD9361_ACTION_SET_TX1_GAIN: - ret_val = set_gain(request->handle,TX_TYPE,1,ad9361_double_unpack(request->value.gain)); - ad9361_double_pack(ret_val, response->value.gain); - break; - case AD9361_ACTION_SET_RX2_GAIN: - ret_val = set_gain(request->handle,RX_TYPE,2,ad9361_double_unpack(request->value.gain)); - ad9361_double_pack(ret_val, response->value.gain); - break; - case AD9361_ACTION_SET_TX2_GAIN: - ret_val = set_gain(request->handle,TX_TYPE,2,ad9361_double_unpack(request->value.gain)); - ad9361_double_pack(ret_val, response->value.gain); - break; - case AD9361_ACTION_SET_RX_FREQ: - ret_val = tune(request->handle,RX_TYPE, ad9361_double_unpack(request->value.freq)); - ad9361_double_pack(ret_val, response->value.freq); - break; - case AD9361_ACTION_SET_TX_FREQ: - ret_val = tune(request->handle,TX_TYPE, ad9361_double_unpack(request->value.freq)); - ad9361_double_pack(ret_val, response->value.freq); - break; - case AD9361_ACTION_SET_CODEC_LOOP: - data_port_loopback(request->handle,request->value.codec_loop != 0); - break; - case AD9361_ACTION_SET_CLOCK_RATE: - ret_val = set_clock_rate(request->handle,ad9361_double_unpack(request->value.rate)); - ad9361_double_pack(ret_val, response->value.rate); - break; - case AD9361_ACTION_SET_ACTIVE_CHAINS: - mask = request->value.enable_mask; - set_active_chains(request->handle,mask & 1, mask & 2, mask & 4, mask & 8); - break; - default: - post_err_msg("[ad9361_dispatch] NOT IMPLEMENTED"); - break; - } -} +}} diff --git a/host/lib/usrp/common/ad9361_driver/ad9361_platform.h b/host/lib/usrp/common/ad9361_driver/ad9361_platform.h deleted file mode 100644 index 0444f3159..000000000 --- a/host/lib/usrp/common/ad9361_driver/ad9361_platform.h +++ /dev/null @@ -1,64 +0,0 @@ -// -// Copyright 2014 Ettus Research LLC -// - -#ifndef INCLUDED_AD9361_PLATFORM_H -#define INCLUDED_AD9361_PLATFORM_H - -#include <stdint.h> -#include "ad9361_device.h" - -#ifdef __cplusplus -extern "C" { -#endif - -/*! - * Get chip class from handle - */ -ad9361_device_t* get_ad9361_device(uint64_t handle); - -/*! - * Write a register in the AD9361 space - */ -void write_ad9361_reg(ad9361_device_t* device, uint32_t reg, uint8_t val); - -/*! - * Read a register from the AD9361 space - */ -uint8_t read_ad9361_reg(ad9361_device_t* device, uint32_t reg); - -/*! - * Millisecond sleep - */ -void ad9361_msleep(const uint32_t millis); - -/*! - * Pack a double into 2 uint32s - */ -void ad9361_double_pack(const double input, uint32_t output[2]); - -/*! - * Unpack 2 uint32s into a double - */ -double ad9361_double_unpack(const uint32_t input[2]); - -/*! - * Compute the square root of val - */ -double ad9361_sqrt(double val); - -/*! - * Compute the floor of val - */ -int ad9361_floor_to_int(double val); - -/*! - * Compute the ceil of val - */ -int ad9361_ceil_to_int(double val); - -#ifdef __cplusplus -} -#endif - -#endif /* INCLUDED_AD9361_PLATFORM_H */ diff --git a/host/lib/usrp/common/ad9361_driver/ad9361_transaction.h b/host/lib/usrp/common/ad9361_driver/ad9361_transaction.h deleted file mode 100644 index 06541d2ee..000000000 --- a/host/lib/usrp/common/ad9361_driver/ad9361_transaction.h +++ /dev/null @@ -1,77 +0,0 @@ -// -// Copyright 2014 Ettus Research LLC -// - -#ifndef INCLUDED_AD9361_TRANSACTION_H -#define INCLUDED_AD9361_TRANSACTION_H - -#include <stdint.h> - -#ifdef __cplusplus -extern "C" { -#endif - -//various constants -#define AD9361_TRANSACTION_VERSION 0x5 -#define AD9361_DISPATCH_PACKET_SIZE 64 - -//action types -#define AD9361_ACTION_ECHO 0 -#define AD9361_ACTION_INIT 1 -#define AD9361_ACTION_SET_RX1_GAIN 2 -#define AD9361_ACTION_SET_TX1_GAIN 3 -#define AD9361_ACTION_SET_RX2_GAIN 4 -#define AD9361_ACTION_SET_TX2_GAIN 5 -#define AD9361_ACTION_SET_RX_FREQ 6 -#define AD9361_ACTION_SET_TX_FREQ 7 -#define AD9361_ACTION_SET_CODEC_LOOP 8 -#define AD9361_ACTION_SET_CLOCK_RATE 9 -#define AD9361_ACTION_SET_ACTIVE_CHAINS 10 - -typedef struct -{ - //version is expected to be AD9361_TRANSACTION_VERSION - //check otherwise for compatibility - uint32_t version; - - //sequence number - increment every call for sanity - uint32_t sequence; - - //location info for the ad9361 chip class - uint64_t handle; - - //action tells us what to do, see AD9361_ACTION_* - uint32_t action; - - union - { - //enable mask for chains - uint32_t enable_mask; - - //true to enable codec internal loopback - uint32_t codec_loop; - - //freq holds request LO freq and result from tune - uint32_t freq[2]; - - //gain holds request gain and result from action - uint32_t gain[2]; - - //rate holds request clock rate and result from action - uint32_t rate[2]; - - } value; - - //error message comes back as a reply - - //set to null string for no error \0 - char error_msg[]; - -} ad9361_transaction_t; - -#define AD9361_TRANSACTION_MAX_ERROR_MSG (AD9361_DISPATCH_PACKET_SIZE - (sizeof(ad9361_transaction_t)-4)-1) // -4 for 'error_msg' alignment padding, -1 for terminating \0 - -#ifdef __cplusplus -} -#endif - -#endif /* INCLUDED_AD9361_TRANSACTION_H */ diff --git a/host/lib/usrp/common/ad9361_platform_uhd.cpp b/host/lib/usrp/common/ad9361_platform_uhd.cpp deleted file mode 100644 index 10ea67345..000000000 --- a/host/lib/usrp/common/ad9361_platform_uhd.cpp +++ /dev/null @@ -1,86 +0,0 @@ -// -// Copyright 2014 Ettus Research LLC -// - -#include <uhd/utils/msg.hpp> -#include <cmath> -#include <cstdlib> -#include <cstring> -#include <stdint.h> -#include <ad9361_platform.h> -#include "ad9361_ctrl.hpp" -#include <stdio.h> -#include <boost/date_time/posix_time/posix_time.hpp> -#include <boost/thread/thread.hpp> - -//If the platform for the AD9361 driver is UHD (host) then the handle is simply -//a pointer to a device class instance -ad9361_device_t* get_ad9361_device(uint64_t handle) -{ - return reinterpret_cast<ad9361_device_t*>(reinterpret_cast<void*>(handle)); -} - -uint8_t read_ad9361_reg(ad9361_device_t* device, uint32_t reg) -{ - if (device && device->io_iface) { - //If the platform for the AD9361 driver is UHD (host) then the io_iface is - //a pointer to a ad9361_io implementation - ad9361_io* io_iface = reinterpret_cast<ad9361_io*>(device->io_iface); - return io_iface->peek8(reg); - } else { - return 0; - } -} - -void write_ad9361_reg(ad9361_device_t* device, uint32_t reg, uint8_t val) -{ - if (device && device->io_iface) { - //If the platform for the AD9361 driver is UHD (host) then the io_iface is - //a pointer to a ad9361_io implementation - ad9361_io* io_iface = reinterpret_cast<ad9361_io*>(device->io_iface); - io_iface->poke8(reg, val); - } -} - -typedef union -{ - double d; - uint32_t x[2]; -} ad9361_double_union_t; - -void ad9361_double_pack(const double input, uint32_t output[2]) -{ - ad9361_double_union_t p = {}; - p.d = input; - output[0] = p.x[0]; - output[1] = p.x[1]; -} - -double ad9361_double_unpack(const uint32_t input[2]) -{ - ad9361_double_union_t p = {}; - p.x[0] = input[0]; - p.x[1] = input[1]; - return p.d; -} - -double ad9361_sqrt(double val) -{ - return std::sqrt(val); -} - -void ad9361_msleep(const uint32_t millis) -{ - boost::this_thread::sleep(boost::posix_time::milliseconds(millis)); -} - -int ad9361_floor_to_int(double val) -{ - return static_cast<int>(std::floor(val)); -} - -int ad9361_ceil_to_int(double val) -{ - return static_cast<int>(std::ceil(val)); -} - |