diff options
Diffstat (limited to 'host/lib/usrp/common')
| -rw-r--r-- | host/lib/usrp/common/ad9361_ctrl.cpp | 54 | ||||
| -rw-r--r-- | host/lib/usrp/common/ad9361_ctrl.hpp | 8 | ||||
| -rw-r--r-- | host/lib/usrp/common/ad9361_driver/ad9361_device.cpp | 10 | ||||
| -rw-r--r-- | host/lib/usrp/common/ad9361_driver/ad9361_device.h | 3 |
4 files changed, 65 insertions, 10 deletions
diff --git a/host/lib/usrp/common/ad9361_ctrl.cpp b/host/lib/usrp/common/ad9361_ctrl.cpp index 54f0fcdbf..654311424 100644 --- a/host/lib/usrp/common/ad9361_ctrl.cpp +++ b/host/lib/usrp/common/ad9361_ctrl.cpp @@ -93,18 +93,30 @@ class ad9361_ctrl_impl : public ad9361_ctrl { public: ad9361_ctrl_impl(ad9361_params::sptr client_settings, ad9361_io::sptr io_iface): - _device(client_settings, io_iface) + _device(client_settings, io_iface), _safe_spi(io_iface), _timed_spi(io_iface) { _device.initialize(); } + void set_timed_spi(uhd::spi_iface::sptr spi_iface, boost::uint32_t slave_num) + { + _timed_spi = boost::make_shared<ad9361_io_spi>(spi_iface, slave_num); + _use_timed_spi(); + } + + void set_safe_spi(uhd::spi_iface::sptr spi_iface, boost::uint32_t slave_num) + { + _safe_spi = boost::make_shared<ad9361_io_spi>(spi_iface, slave_num); + } + double set_gain(const std::string &which, const double value) { boost::lock_guard<boost::mutex> lock(_mutex); 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); + double return_val = _device.set_gain(direction, chain, value); + return return_val; } void set_agc(const std::string &which, bool enable) @@ -112,7 +124,7 @@ public: boost::lock_guard<boost::mutex> lock(_mutex); ad9361_device_t::chain_t chain =_get_chain_from_antenna(which); - _device.set_agc(chain, enable); + _device.set_agc(chain, enable); } void set_agc_mode(const std::string &which, const std::string &mode) @@ -133,6 +145,9 @@ public: { boost::lock_guard<boost::mutex> lock(_mutex); + // Changing clock rate will disrupt AD9361's sample clock + _use_safe_spi(); + //clip to known bounds const meta_range_t clock_rate_range = ad9361_ctrl::get_clock_rate_range(); const double clipped_rate = clock_rate_range.clip(rate); @@ -144,7 +159,11 @@ public: ) % (rate/1e6) % (clipped_rate/1e6) << std::endl; } - return _device.set_clock_rate(clipped_rate); + double return_rate = _device.set_clock_rate(clipped_rate); + + _use_timed_spi(); + + return return_rate; } //! set which RX and TX chains/antennas are active @@ -152,7 +171,11 @@ public: { boost::lock_guard<boost::mutex> lock(_mutex); + // If both RX chains are disabled then the AD9361's sample clock is disabled + _use_safe_spi(); _device.set_active_chains(tx1, tx2, rx1, rx2); + _use_timed_spi(); + } //! tune the given frontend, return the exact value @@ -166,7 +189,8 @@ public: const double value = ad9361_ctrl::get_rf_freq_range().clip(clipped_freq); ad9361_device_t::direction_t direction = _get_direction_from_antenna(which); - return _device.tune(direction, value); + double return_val = _device.tune(direction, value); + return return_val; } //! get the current frequency for the given frontend @@ -283,16 +307,28 @@ private: return ad9361_device_t::CHAIN_1; } - ad9361_device_t _device; - boost::mutex _mutex; + void _use_safe_spi() { + _device.set_io_iface(_safe_spi); + } + + void _use_timed_spi() { + _device.set_io_iface(_timed_spi); + } + + ad9361_device_t _device; + ad9361_io::sptr _safe_spi; // SPI core that uses an always available clock + ad9361_io::sptr _timed_spi; // SPI core that has a dependency on the AD9361's sample clock (i.e. radio clk) + boost::mutex _mutex; }; //---------------------------------------------------------------------- // Make an instance of the AD9361 Control interface //---------------------------------------------------------------------- ad9361_ctrl::sptr ad9361_ctrl::make_spi( - ad9361_params::sptr client_settings, uhd::spi_iface::sptr spi_iface, boost::uint32_t slave_num) -{ + ad9361_params::sptr client_settings, + uhd::spi_iface::sptr spi_iface, + boost::uint32_t slave_num +) { 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 8cd75d539..5770c3ec4 100644 --- a/host/lib/usrp/common/ad9361_ctrl.hpp +++ b/host/lib/usrp/common/ad9361_ctrl.hpp @@ -56,7 +56,13 @@ public: //! make a new codec control object static sptr make_spi( - ad9361_params::sptr client_settings, uhd::spi_iface::sptr spi_iface, boost::uint32_t slave_num); + ad9361_params::sptr client_settings, + uhd::spi_iface::sptr spi_iface, + boost::uint32_t slave_num + ); + + virtual void set_timed_spi(uhd::spi_iface::sptr spi_iface, boost::uint32_t slave_num) = 0; + virtual void set_safe_spi(uhd::spi_iface::sptr spi_iface, boost::uint32_t slave_num) = 0; //! Get a list of gain names for RX or TX static std::vector<std::string> get_gain_names(const std::string &/*which*/) diff --git a/host/lib/usrp/common/ad9361_driver/ad9361_device.cpp b/host/lib/usrp/common/ad9361_driver/ad9361_device.cpp index bb25379c0..095017bb6 100644 --- a/host/lib/usrp/common/ad9361_driver/ad9361_device.cpp +++ b/host/lib/usrp/common/ad9361_driver/ad9361_device.cpp @@ -1565,6 +1565,12 @@ void ad9361_device_t::initialize() _io_iface->poke8(0x000, 0x00); boost::this_thread::sleep(boost::posix_time::milliseconds(20)); + /* Check device ID to make sure iface works */ + boost::uint32_t device_id = (_io_iface->peek8(0x037) & 0x8); + if (device_id != 0x8) { + throw uhd::runtime_error(str(boost::format("[ad9361_device_t::initialize] Device ID readback failure. Expected: 0x8, Received: 0x%x") % device_id)); + } + /* There is not a WAT big enough for this. */ _io_iface->poke8(0x3df, 0x01); @@ -1774,6 +1780,10 @@ void ad9361_device_t::initialize() _io_iface->poke8(0x014, 0x21); } +void ad9361_device_t::set_io_iface(ad9361_io::sptr io_iface) +{ + _io_iface = io_iface; +} /* This function sets the RX / TX rate between AD9361 and the FPGA, and * thus determines the interpolation / decimation required in the FPGA to diff --git a/host/lib/usrp/common/ad9361_driver/ad9361_device.h b/host/lib/usrp/common/ad9361_driver/ad9361_device.h index 73b1d9a35..d0e8a7e39 100644 --- a/host/lib/usrp/common/ad9361_driver/ad9361_device.h +++ b/host/lib/usrp/common/ad9361_driver/ad9361_device.h @@ -75,6 +75,9 @@ public: /* Initialize the AD9361 codec. */ void initialize(); + /* Set SPI interface */ + void set_io_iface(ad9361_io::sptr io_iface); + /* 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. |