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-rw-r--r--host/lib/usrp/e100/dboard_iface.cpp2
-rw-r--r--host/lib/usrp/e100/e100_ctrl.cpp181
-rw-r--r--host/lib/usrp/e100/e100_ctrl.hpp9
-rw-r--r--host/lib/usrp/e100/e100_impl.cpp145
-rw-r--r--host/lib/usrp/e100/e100_impl.hpp22
-rw-r--r--host/lib/usrp/e100/e100_regs.hpp130
-rw-r--r--host/lib/usrp/e100/include/linux/usrp_e.h4
-rw-r--r--host/lib/usrp/e100/io_impl.cpp143
8 files changed, 272 insertions, 364 deletions
diff --git a/host/lib/usrp/e100/dboard_iface.cpp b/host/lib/usrp/e100/dboard_iface.cpp
index 6afc7bc48..532b2dc9e 100644
--- a/host/lib/usrp/e100/dboard_iface.cpp
+++ b/host/lib/usrp/e100/dboard_iface.cpp
@@ -45,7 +45,7 @@ public:
_spi_iface = spi_iface;
_clock = clock;
_codec = codec;
- _gpio = gpio_core_200::make(_wb_iface, E100_REG_SR_ADDR(UE_SR_GPIO), E100_REG_RB_GPIO);
+ _gpio = gpio_core_200::make(_wb_iface, TOREG(SR_GPIO), REG_RB_GPIO);
//init the clock rate shadows
this->set_clock_rate(UNIT_RX, _clock->get_fpga_clock_rate());
diff --git a/host/lib/usrp/e100/e100_ctrl.cpp b/host/lib/usrp/e100/e100_ctrl.cpp
index eb529c9c1..408d259dc 100644
--- a/host/lib/usrp/e100/e100_ctrl.cpp
+++ b/host/lib/usrp/e100/e100_ctrl.cpp
@@ -1,5 +1,5 @@
//
-// Copyright 2011 Ettus Research LLC
+// Copyright 2011-2012 Ettus Research LLC
//
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
@@ -23,13 +23,16 @@
#include <sys/ioctl.h> //ioctl
#include <fcntl.h> //open, close
#include <linux/usrp_e.h> //ioctl structures and constants
+#include <poll.h> //poll
#include <boost/thread/thread.hpp> //sleep
#include <boost/thread/mutex.hpp>
+#include <boost/thread/condition_variable.hpp>
#include <boost/foreach.hpp>
#include <boost/format.hpp>
#include <fstream>
using namespace uhd;
+using namespace uhd::transport;
/***********************************************************************
* Sysfs GPIO wrapper class
@@ -71,6 +74,53 @@ private:
};
/***********************************************************************
+ * Protection for dual GPIO access - sometimes MISO, sometimes have resp
+ **********************************************************************/
+static boost::mutex gpio_has_resp_mutex;
+static boost::condition_variable gpio_has_resp_cond;
+static bool gpio_has_resp_claimed = false;
+static gpio gpio_has_resp(147, "in");
+
+struct gpio_has_resp_claimer
+{
+ gpio_has_resp_claimer(void)
+ {
+ boost::mutex::scoped_lock lock(gpio_has_resp_mutex);
+ gpio_has_resp_claimed = true;
+ }
+
+ ~gpio_has_resp_claimer(void)
+ {
+ boost::mutex::scoped_lock lock(gpio_has_resp_mutex);
+ gpio_has_resp_claimed = false;
+ lock.unlock();
+ gpio_has_resp_cond.notify_one();
+ }
+};
+
+static inline bool gpio_has_resp_value(void)
+{
+ boost::mutex::scoped_lock lock(gpio_has_resp_mutex);
+ while (gpio_has_resp_claimed)
+ {
+ gpio_has_resp_cond.wait(lock);
+ }
+ return bool(gpio_has_resp());
+}
+
+static bool inline gpio_has_resp_wait(const double timeout)
+{
+ if (gpio_has_resp_value()) return true;
+ const boost::system_time exit_time = boost::get_system_time() + boost::posix_time::milliseconds(long(timeout*1e6));
+ while (boost::get_system_time() < exit_time)
+ {
+ boost::this_thread::sleep(boost::posix_time::milliseconds(1));
+ if (gpio_has_resp_value()) return true;
+ }
+ return false;
+}
+
+/***********************************************************************
* Aux spi implementation
**********************************************************************/
class aux_spi_iface_impl : public spi_iface{
@@ -79,7 +129,8 @@ public:
spi_sclk_gpio(65, "out"),
spi_sen_gpio(186, "out"),
spi_mosi_gpio(145, "out"),
- spi_miso_gpio(147, "in"){}
+ //spi_miso_gpio(147, "in"){}
+ spi_miso_gpio(gpio_has_resp){}
boost::uint32_t transact_spi(
int, const spi_config_t &, //not used params
@@ -87,6 +138,8 @@ public:
size_t num_bits,
bool readback
){
+ gpio_has_resp_claimer claimer();
+
boost::uint32_t rb_bits = 0;
this->spi_sen_gpio(0);
@@ -105,7 +158,7 @@ public:
}
private:
- gpio spi_sclk_gpio, spi_sen_gpio, spi_mosi_gpio, spi_miso_gpio;
+ gpio spi_sclk_gpio, spi_sen_gpio, spi_mosi_gpio, &spi_miso_gpio;
};
uhd::spi_iface::sptr e100_ctrl::make_aux_spi_iface(void){
@@ -244,6 +297,57 @@ uhd::uart_iface::sptr e100_ctrl::make_gps_uart_iface(const std::string &node){
}
/***********************************************************************
+ * Simple managed buffers
+ **********************************************************************/
+struct e100_simpl_mrb : managed_recv_buffer
+{
+ usrp_e_ctl32 data;
+ e100_ctrl *ctrl;
+
+ void release(void)
+ {
+ //NOP
+ }
+
+ sptr get_new(void)
+ {
+ const size_t max_words32 = 8; //.LAST_ADDR(10'h00f)) resp_fifo_to_gpmc
+
+ //load the data struct
+ data.offset = 0;
+ data.count = max_words32;
+
+ //call the ioctl
+ ctrl->ioctl(USRP_E_READ_CTL32, &data);
+
+ if (data.buf[0] == 0 or ~data.buf[0] == 0) return sptr(); //bad VRT hdr, treat like timeout
+
+ return make(this, data.buf, sizeof(data.buf));
+ }
+};
+
+struct e100_simpl_msb : managed_send_buffer
+{
+ usrp_e_ctl32 data;
+ e100_ctrl *ctrl;
+
+ void release(void)
+ {
+ //load the data struct
+ data.offset = 0;
+ data.count = size()/4+1/*1 for flush pad*/;
+
+ //call the ioctl
+ ctrl->ioctl(USRP_E_WRITE_CTL32, &data);
+ }
+
+ sptr get_new(void)
+ {
+ return make(this, data.buf, sizeof(data.buf));
+ }
+};
+
+/***********************************************************************
* USRP-E100 control implementation
**********************************************************************/
class e100_ctrl_impl : public e100_ctrl{
@@ -273,8 +377,14 @@ public:
) % USRP_E_COMPAT_NUMBER % module_compat_num));
}
- //perform a global reset after opening
- this->poke32(E100_REG_GLOBAL_RESET, 0);
+ //hit the magic arst condition
+ //async_reset <= ~EM_NCS6 && ~EM_NWE && (EM_A[9:2] == 8'hff) && EM_D[0];
+ usrp_e_ctl16 datax;
+ datax.offset = 0x3fc;
+ datax.count = 2;
+ datax.buf[0] = 1;
+ datax.buf[1] = 0;
+ this->ioctl(USRP_E_WRITE_CTL16, &datax);
}
~e100_ctrl_impl(void){
@@ -293,58 +403,45 @@ public:
));
}
}
+
/*******************************************************************
- * Peek and Poke
+ * The managed buffer interface
******************************************************************/
- void poke32(wb_addr_type addr, boost::uint32_t value){
- //load the data struct
- usrp_e_ctl32 data;
- data.offset = addr;
- data.count = 1;
- data.buf[0] = value;
-
- //call the ioctl
- this->ioctl(USRP_E_WRITE_CTL32, &data);
+ managed_recv_buffer::sptr get_recv_buff(double timeout){
+ if (not gpio_has_resp_wait(timeout))
+ {
+ return managed_recv_buffer::sptr();
+ }
+ _mrb.ctrl = this;
+ return _mrb.get_new();
}
- void poke16(wb_addr_type addr, boost::uint16_t value){
- //load the data struct
- usrp_e_ctl16 data;
- data.offset = addr;
- data.count = 1;
- data.buf[0] = value;
-
- //call the ioctl
- this->ioctl(USRP_E_WRITE_CTL16, &data);
+ managed_send_buffer::sptr get_send_buff(double){
+ _msb.ctrl = this;
+ return _msb.get_new();
}
- boost::uint32_t peek32(wb_addr_type addr){
- //load the data struct
- usrp_e_ctl32 data;
- data.offset = addr;
- data.count = 1;
-
- //call the ioctl
- this->ioctl(USRP_E_READ_CTL32, &data);
-
- return data.buf[0];
+ size_t get_num_recv_frames(void) const{
+ return 1;
}
- boost::uint16_t peek16(wb_addr_type addr){
- //load the data struct
- usrp_e_ctl16 data;
- data.offset = addr;
- data.count = 1;
+ size_t get_recv_frame_size(void) const{
+ return sizeof(_mrb.data.buf);
+ }
- //call the ioctl
- this->ioctl(USRP_E_READ_CTL16, &data);
+ size_t get_num_send_frames(void) const{
+ return 1;
+ }
- return data.buf[0];
+ size_t get_send_frame_size(void) const{
+ return sizeof(_msb.data.buf);
}
private:
int _node_fd;
boost::mutex _ioctl_mutex;
+ e100_simpl_mrb _mrb;
+ e100_simpl_msb _msb;
};
/***********************************************************************
diff --git a/host/lib/usrp/e100/e100_ctrl.hpp b/host/lib/usrp/e100/e100_ctrl.hpp
index fd66791d4..72dce134e 100644
--- a/host/lib/usrp/e100/e100_ctrl.hpp
+++ b/host/lib/usrp/e100/e100_ctrl.hpp
@@ -1,5 +1,5 @@
//
-// Copyright 2011 Ettus Research LLC
+// Copyright 2012 Ettus Research LLC
//
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
@@ -18,12 +18,11 @@
#ifndef INCLUDED_B100_CTRL_HPP
#define INCLUDED_B100_CTRL_HPP
-#include "wb_iface.hpp"
+#include <uhd/transport/zero_copy.hpp>
#include <uhd/types/serial.hpp>
#include <boost/shared_ptr.hpp>
-#include <boost/utility.hpp>
-class e100_ctrl : boost::noncopyable, public wb_iface{
+class e100_ctrl : public uhd::transport::zero_copy_if{
public:
typedef boost::shared_ptr<e100_ctrl> sptr;
@@ -33,7 +32,7 @@ public:
//! Make an i2c iface for the i2c device node
static uhd::i2c_iface::sptr make_dev_i2c_iface(const std::string &node);
- //! Make an i2c iface for the i2c device node
+ //! Make a spi iface for the spi gpio
static uhd::spi_iface::sptr make_aux_spi_iface(void);
//! Make a uart iface for the uart device node
diff --git a/host/lib/usrp/e100/e100_impl.cpp b/host/lib/usrp/e100/e100_impl.cpp
index d55ea5ec5..a517dfcba 100644
--- a/host/lib/usrp/e100/e100_impl.cpp
+++ b/host/lib/usrp/e100/e100_impl.cpp
@@ -28,6 +28,7 @@
#include <boost/functional/hash.hpp>
#include <boost/assign/list_of.hpp>
#include <fstream>
+#include <ctime>
using namespace uhd;
using namespace uhd::usrp;
@@ -86,15 +87,6 @@ static device_addrs_t e100_find(const device_addr_t &hint){
/***********************************************************************
* Make
**********************************************************************/
-static size_t hash_fpga_file(const std::string &file_path){
- size_t hash = 0;
- std::ifstream file(file_path.c_str());
- if (not file.good()) throw uhd::io_error("cannot open fpga file for read: " + file_path);
- while (file.good()) boost::hash_combine(hash, file.get());
- file.close();
- return hash;
-}
-
static device::sptr e100_make(const device_addr_t &device_addr){
return device::sptr(new e100_impl(device_addr));
}
@@ -114,10 +106,6 @@ static const uhd::dict<std::string, std::string> model_to_fpga_file_name = boost
e100_impl::e100_impl(const uhd::device_addr_t &device_addr){
_tree = property_tree::make();
- //setup the main interface into fpga
- const std::string node = device_addr["node"];
- _fpga_ctrl = e100_ctrl::make(node);
-
//read the eeprom so we can determine the hardware
_dev_i2c_iface = e100_ctrl::make_dev_i2c_iface(E100_I2C_DEV_NODE);
const mboard_eeprom_t mb_eeprom(*_dev_i2c_iface, E100_EEPROM_MAP_KEY);
@@ -134,19 +122,11 @@ e100_impl::e100_impl(const uhd::device_addr_t &device_addr){
//extract the fpga path and compute hash
const std::string default_fpga_file_name = model_to_fpga_file_name[model];
const std::string e100_fpga_image = find_image_path(device_addr.get("fpga", default_fpga_file_name));
- const boost::uint32_t file_hash = boost::uint32_t(hash_fpga_file(e100_fpga_image));
-
- //When the hash does not match:
- // - close the device node
- // - load the fpga bin file
- // - re-open the device node
- if (_fpga_ctrl->peek32(E100_REG_RB_MISC_TEST32) != file_hash){
- _fpga_ctrl.reset();
- e100_load_fpga(e100_fpga_image);
- _fpga_ctrl = e100_ctrl::make(node);
- }
+ e100_load_fpga(e100_fpga_image);
- //setup clock control here to ensure that the FPGA has a good clock before we continue
+ ////////////////////////////////////////////////////////////////////
+ // Setup the FPGA clock over AUX SPI
+ ////////////////////////////////////////////////////////////////////
bool dboard_clocks_diff = true;
if (mb_eeprom.get("revision", "0") == "3") dboard_clocks_diff = false;
else if (mb_eeprom.get("revision", "0") == "4") dboard_clocks_diff = true;
@@ -158,12 +138,32 @@ e100_impl::e100_impl(const uhd::device_addr_t &device_addr){
_aux_spi_iface = e100_ctrl::make_aux_spi_iface();
_clock_ctrl = e100_clock_ctrl::make(_aux_spi_iface, master_clock_rate, dboard_clocks_diff);
+ ////////////////////////////////////////////////////////////////////
+ // setup the main interface into fpga
+ // - do this after aux spi, because we share gpio147
+ ////////////////////////////////////////////////////////////////////
+ const std::string node = device_addr["node"];
+ _fpga_ctrl = e100_ctrl::make(node);
+
+ ////////////////////////////////////////////////////////////////////
+ // Initialize FPGA control communication
+ ////////////////////////////////////////////////////////////////////
+ fifo_ctrl_excelsior_config fifo_ctrl_config;
+ fifo_ctrl_config.async_sid_base = E100_TX_ASYNC_SID;
+ fifo_ctrl_config.num_async_chan = 1;
+ fifo_ctrl_config.ctrl_sid_base = E100_CTRL_MSG_SID;
+ fifo_ctrl_config.spi_base = TOREG(SR_SPI);
+ fifo_ctrl_config.spi_rb = REG_RB_SPI;
+ _fifo_ctrl = fifo_ctrl_excelsior::make(_fpga_ctrl, fifo_ctrl_config);
+
//Perform wishbone readback tests, these tests also write the hash
bool test_fail = false;
- UHD_MSG(status) << "Performing wishbone readback test... " << std::flush;
+ UHD_MSG(status) << "Performing control readback test... " << std::flush;
+ size_t hash = time(NULL);
for (size_t i = 0; i < 100; i++){
- _fpga_ctrl->poke32(E100_REG_SR_MISC_TEST32, file_hash);
- test_fail = _fpga_ctrl->peek32(E100_REG_RB_MISC_TEST32) != file_hash;
+ boost::hash_combine(hash, i);
+ _fifo_ctrl->poke32(TOREG(SR_MISC+0), boost::uint32_t(hash));
+ test_fail = _fifo_ctrl->peek32(REG_RB_CONFIG0) != boost::uint32_t(hash);
if (test_fail) break; //exit loop on any failure
}
UHD_MSG(status) << ((test_fail)? " fail" : "pass") << std::endl;
@@ -180,8 +180,7 @@ e100_impl::e100_impl(const uhd::device_addr_t &device_addr){
////////////////////////////////////////////////////////////////////
// Create controller objects
////////////////////////////////////////////////////////////////////
- _fpga_i2c_ctrl = i2c_core_100::make(_fpga_ctrl, E100_REG_SLAVE(3));
- _fpga_spi_ctrl = spi_core_100::make(_fpga_ctrl, E100_REG_SLAVE(2));
+ _fpga_i2c_ctrl = i2c_core_200::make(_fifo_ctrl, TOREG(SR_I2C), REG_RB_I2C);
_data_transport = e100_make_mmap_zero_copy(_fpga_ctrl);
////////////////////////////////////////////////////////////////////
@@ -205,12 +204,17 @@ e100_impl::e100_impl(const uhd::device_addr_t &device_addr){
//^^^ clock created up top, just reg props here... ^^^
_tree->create<double>(mb_path / "tick_rate")
.publish(boost::bind(&e100_clock_ctrl::get_fpga_clock_rate, _clock_ctrl))
+ .subscribe(boost::bind(&fifo_ctrl_excelsior::set_tick_rate, _fifo_ctrl, _1))
.subscribe(boost::bind(&e100_impl::update_tick_rate, this, _1));
+ //subscribe the command time while we are at it
+ _tree->create<time_spec_t>(mb_path / "time/cmd")
+ .subscribe(boost::bind(&fifo_ctrl_excelsior::set_time, _fifo_ctrl, _1));
+
////////////////////////////////////////////////////////////////////
// create codec control objects
////////////////////////////////////////////////////////////////////
- _codec_ctrl = e100_codec_ctrl::make(_fpga_spi_ctrl);
+ _codec_ctrl = e100_codec_ctrl::make(_fifo_ctrl/*spi*/);
const fs_path rx_codec_path = mb_path / "rx_codecs/A";
const fs_path tx_codec_path = mb_path / "tx_codecs/A";
_tree->create<std::string>(rx_codec_path / "name").set("ad9522");
@@ -232,24 +236,37 @@ e100_impl::e100_impl(const uhd::device_addr_t &device_addr){
////////////////////////////////////////////////////////////////////
// Create the GPSDO control
////////////////////////////////////////////////////////////////////
- try{
- _gps = gps_ctrl::make(e100_ctrl::make_gps_uart_iface(E100_UART_DEV_NODE));
- }
- catch(std::exception &e){
- UHD_MSG(error) << "An error occurred making GPSDO control: " << e.what() << std::endl;
- }
- if (_gps.get() != NULL and _gps->gps_detected()){
- BOOST_FOREACH(const std::string &name, _gps->get_sensors()){
- _tree->create<sensor_value_t>(mb_path / "sensors" / name)
- .publish(boost::bind(&gps_ctrl::get_sensor, _gps, name));
+ static const fs::path GPSDO_VOLATILE_PATH("/media/ram/e100_internal_gpsdo.cache");
+ if (not fs::exists(GPSDO_VOLATILE_PATH))
+ {
+ UHD_MSG(status) << "Detecting internal GPSDO.... " << std::flush;
+ try{
+ _gps = gps_ctrl::make(e100_ctrl::make_gps_uart_iface(E100_UART_DEV_NODE));
+ }
+ catch(std::exception &e){
+ UHD_MSG(error) << "An error occurred making GPSDO control: " << e.what() << std::endl;
+ }
+ if (_gps and _gps->gps_detected())
+ {
+ UHD_MSG(status) << "found" << std::endl;
+ BOOST_FOREACH(const std::string &name, _gps->get_sensors())
+ {
+ _tree->create<sensor_value_t>(mb_path / "sensors" / name)
+ .publish(boost::bind(&gps_ctrl::get_sensor, _gps, name));
+ }
+ }
+ else
+ {
+ UHD_MSG(status) << "not found" << std::endl;
+ std::ofstream(GPSDO_VOLATILE_PATH.string().c_str(), std::ofstream::binary) << "42" << std::endl;
}
}
////////////////////////////////////////////////////////////////////
// create frontend control objects
////////////////////////////////////////////////////////////////////
- _rx_fe = rx_frontend_core_200::make(_fpga_ctrl, E100_REG_SR_ADDR(UE_SR_RX_FRONT));
- _tx_fe = tx_frontend_core_200::make(_fpga_ctrl, E100_REG_SR_ADDR(UE_SR_TX_FRONT));
+ _rx_fe = rx_frontend_core_200::make(_fifo_ctrl, TOREG(SR_RX_FE));
+ _tx_fe = tx_frontend_core_200::make(_fifo_ctrl, TOREG(SR_TX_FE));
_tree->create<subdev_spec_t>(mb_path / "rx_subdev_spec")
.subscribe(boost::bind(&e100_impl::update_rx_subdev_spec, this, _1));
@@ -278,13 +295,17 @@ e100_impl::e100_impl(const uhd::device_addr_t &device_addr){
////////////////////////////////////////////////////////////////////
// create rx dsp control objects
////////////////////////////////////////////////////////////////////
- _rx_dsps.push_back(rx_dsp_core_200::make(
- _fpga_ctrl, E100_REG_SR_ADDR(UE_SR_RX_DSP0), E100_REG_SR_ADDR(UE_SR_RX_CTRL0), E100_RX_SID_BASE + 0
- ));
- _rx_dsps.push_back(rx_dsp_core_200::make(
- _fpga_ctrl, E100_REG_SR_ADDR(UE_SR_RX_DSP1), E100_REG_SR_ADDR(UE_SR_RX_CTRL1), E100_RX_SID_BASE + 1
- ));
- for (size_t dspno = 0; dspno < _rx_dsps.size(); dspno++){
+ const size_t num_rx_dsps = _fifo_ctrl->peek32(REG_RB_NUM_RX_DSP);
+ for (size_t dspno = 0; dspno < num_rx_dsps; dspno++)
+ {
+ const size_t sr_off = dspno*32;
+ _rx_dsps.push_back(rx_dsp_core_200::make(
+ _fifo_ctrl,
+ TOREG(SR_RX_DSP0+sr_off),
+ TOREG(SR_RX_CTRL0+sr_off),
+ E100_RX_SID_BASE + dspno
+ ));
+
_rx_dsps[dspno]->set_link_rate(E100_RX_LINK_RATE_BPS);
_tree->access<double>(mb_path / "tick_rate")
.subscribe(boost::bind(&rx_dsp_core_200::set_tick_rate, _rx_dsps[dspno], _1));
@@ -307,7 +328,7 @@ e100_impl::e100_impl(const uhd::device_addr_t &device_addr){
// create tx dsp control objects
////////////////////////////////////////////////////////////////////
_tx_dsp = tx_dsp_core_200::make(
- _fpga_ctrl, E100_REG_SR_ADDR(UE_SR_TX_DSP), E100_REG_SR_ADDR(UE_SR_TX_CTRL), E100_TX_ASYNC_SID
+ _fifo_ctrl, TOREG(SR_TX_DSP), TOREG(SR_TX_CTRL), E100_TX_ASYNC_SID
);
_tx_dsp->set_link_rate(E100_TX_LINK_RATE_BPS);
_tree->access<double>(mb_path / "tick_rate")
@@ -327,12 +348,12 @@ e100_impl::e100_impl(const uhd::device_addr_t &device_addr){
// create time control objects
////////////////////////////////////////////////////////////////////
time64_core_200::readback_bases_type time64_rb_bases;
- time64_rb_bases.rb_hi_now = E100_REG_RB_TIME_NOW_HI;
- time64_rb_bases.rb_lo_now = E100_REG_RB_TIME_NOW_LO;
- time64_rb_bases.rb_hi_pps = E100_REG_RB_TIME_PPS_HI;
- time64_rb_bases.rb_lo_pps = E100_REG_RB_TIME_PPS_LO;
+ time64_rb_bases.rb_hi_now = REG_RB_TIME_NOW_HI;
+ time64_rb_bases.rb_lo_now = REG_RB_TIME_NOW_LO;
+ time64_rb_bases.rb_hi_pps = REG_RB_TIME_PPS_HI;
+ time64_rb_bases.rb_lo_pps = REG_RB_TIME_PPS_LO;
_time64 = time64_core_200::make(
- _fpga_ctrl, E100_REG_SR_ADDR(UE_SR_TIME64), time64_rb_bases
+ _fifo_ctrl, TOREG(SR_TIME64), time64_rb_bases
);
_tree->access<double>(mb_path / "tick_rate")
.subscribe(boost::bind(&time64_core_200::set_tick_rate, _time64, _1));
@@ -357,7 +378,7 @@ e100_impl::e100_impl(const uhd::device_addr_t &device_addr){
////////////////////////////////////////////////////////////////////
// create user-defined control objects
////////////////////////////////////////////////////////////////////
- _user = user_settings_core_200::make(_fpga_ctrl, E100_REG_SR_ADDR(UE_SR_USER_REGS));
+ _user = user_settings_core_200::make(_fifo_ctrl, TOREG(SR_USER_REGS));
_tree->create<user_settings_core_200::user_reg_t>(mb_path / "user/regs")
.subscribe(boost::bind(&user_settings_core_200::set_reg, _user, _1));
@@ -383,7 +404,7 @@ e100_impl::e100_impl(const uhd::device_addr_t &device_addr){
.subscribe(boost::bind(&e100_impl::set_db_eeprom, this, "gdb", _1));
//create a new dboard interface and manager
- _dboard_iface = make_e100_dboard_iface(_fpga_ctrl, _fpga_i2c_ctrl, _fpga_spi_ctrl, _clock_ctrl, _codec_ctrl);
+ _dboard_iface = make_e100_dboard_iface(_fifo_ctrl, _fpga_i2c_ctrl, _fifo_ctrl/*spi*/, _clock_ctrl, _codec_ctrl);
_tree->create<dboard_iface::sptr>(mb_path / "dboards/A/iface").set(_dboard_iface);
_dboard_manager = dboard_manager::make(
rx_db_eeprom.id, tx_db_eeprom.id, gdb_eeprom.id,
@@ -403,7 +424,11 @@ e100_impl::e100_impl(const uhd::device_addr_t &device_addr){
}
//initialize io handling
- this->io_init();
+ _recv_demuxer = recv_packet_demuxer::make(_data_transport, _rx_dsps.size(), E100_RX_SID_BASE);
+
+ //allocate streamer weak ptrs containers
+ _rx_streamers.resize(_rx_dsps.size());
+ _tx_streamers.resize(1/*known to be 1 dsp*/);
////////////////////////////////////////////////////////////////////
// do some post-init tasks
@@ -474,7 +499,7 @@ sensor_value_t e100_impl::get_ref_locked(void){
}
void e100_impl::check_fpga_compat(void){
- const boost::uint32_t fpga_compat_num = _fpga_ctrl->peek32(E100_REG_RB_COMPAT);
+ const boost::uint32_t fpga_compat_num = _fifo_ctrl->peek32(REG_RB_COMPAT);
boost::uint16_t fpga_major = fpga_compat_num >> 16, fpga_minor = fpga_compat_num & 0xffff;
if (fpga_major == 0){ //old version scheme
fpga_major = fpga_minor;
diff --git a/host/lib/usrp/e100/e100_impl.hpp b/host/lib/usrp/e100/e100_impl.hpp
index 381c085e0..6f64d4b80 100644
--- a/host/lib/usrp/e100/e100_impl.hpp
+++ b/host/lib/usrp/e100/e100_impl.hpp
@@ -18,17 +18,17 @@
#include "e100_ctrl.hpp"
#include "clock_ctrl.hpp"
#include "codec_ctrl.hpp"
-#include "spi_core_100.hpp"
-#include "i2c_core_100.hpp"
+#include "i2c_core_200.hpp"
#include "rx_frontend_core_200.hpp"
#include "tx_frontend_core_200.hpp"
#include "rx_dsp_core_200.hpp"
#include "tx_dsp_core_200.hpp"
#include "time64_core_200.hpp"
+#include "fifo_ctrl_excelsior.hpp"
#include "user_settings_core_200.hpp"
+#include "recv_packet_demuxer.hpp"
#include <uhd/device.hpp>
#include <uhd/property_tree.hpp>
-#include <uhd/utils/pimpl.hpp>
#include <uhd/usrp/subdev_spec.hpp>
#include <uhd/usrp/dboard_eeprom.hpp>
#include <uhd/usrp/mboard_eeprom.hpp>
@@ -49,9 +49,10 @@ static const double E100_RX_LINK_RATE_BPS = 166e6/3/2*2;
static const double E100_TX_LINK_RATE_BPS = 166e6/3/1*2;
static const std::string E100_I2C_DEV_NODE = "/dev/i2c-3";
static const std::string E100_UART_DEV_NODE = "/dev/ttyO0";
-static const boost::uint16_t E100_FPGA_COMPAT_NUM = 10;
-static const boost::uint32_t E100_RX_SID_BASE = 2;
-static const boost::uint32_t E100_TX_ASYNC_SID = 1;
+static const boost::uint16_t E100_FPGA_COMPAT_NUM = 11;
+static const boost::uint32_t E100_RX_SID_BASE = 30;
+static const boost::uint32_t E100_TX_ASYNC_SID = 10;
+static const boost::uint32_t E100_CTRL_MSG_SID = 20;
static const double E100_DEFAULT_CLOCK_RATE = 64e6;
static const std::string E100_EEPROM_MAP_KEY = "E100";
@@ -87,8 +88,8 @@ private:
uhd::property_tree::sptr _tree;
//controllers
- spi_core_100::sptr _fpga_spi_ctrl;
- i2c_core_100::sptr _fpga_i2c_ctrl;
+ fifo_ctrl_excelsior::sptr _fifo_ctrl;
+ i2c_core_200::sptr _fpga_i2c_ctrl;
rx_frontend_core_200::sptr _rx_fe;
tx_frontend_core_200::sptr _tx_fe;
std::vector<rx_dsp_core_200::sptr> _rx_dsps;
@@ -104,15 +105,12 @@ private:
//transports
uhd::transport::zero_copy_if::sptr _data_transport;
+ uhd::usrp::recv_packet_demuxer::sptr _recv_demuxer;
//dboard stuff
uhd::usrp::dboard_manager::sptr _dboard_manager;
uhd::usrp::dboard_iface::sptr _dboard_iface;
- //handle io stuff
- UHD_PIMPL_DECL(io_impl) _io_impl;
- void io_init(void);
-
//device properties interface
uhd::property_tree::sptr get_tree(void) const{
return _tree;
diff --git a/host/lib/usrp/e100/e100_regs.hpp b/host/lib/usrp/e100/e100_regs.hpp
index 75be2cfbe..654163dce 100644
--- a/host/lib/usrp/e100/e100_regs.hpp
+++ b/host/lib/usrp/e100/e100_regs.hpp
@@ -15,55 +15,45 @@
// along with this program. If not, see <http://www.gnu.org/licenses/>.
//
-////////////////////////////////////////////////////////////////
-//
-// Memory map for embedded wishbone bus
-//
-////////////////////////////////////////////////////////////////
-
-// All addresses are byte addresses. All accesses are word (16-bit) accesses.
-// This means that address bit 0 is usually 0.
-// There are 11 bits of address for the control.
-
#ifndef INCLUDED_E100_REGS_HPP
#define INCLUDED_E100_REGS_HPP
-/////////////////////////////////////////////////////
-// Slave pointers
+#include <boost/cstdint.hpp>
-#define E100_REG_SLAVE(n) ((n)<<7)
+#define TOREG(x) ((x)*4)
-/////////////////////////////////////////////////////
-// Slave 0 -- Misc Regs
+#define localparam static const int
-#define E100_REG_MISC_BASE E100_REG_SLAVE(0)
+localparam SR_MISC = 0; // 5
+localparam SR_USER_REGS = 5; // 2
-#define E100_REG_MISC_LED E100_REG_MISC_BASE + 0
-#define E100_REG_MISC_SW E100_REG_MISC_BASE + 2
-#define E100_REG_MISC_CGEN_CTRL E100_REG_MISC_BASE + 4
-#define E100_REG_MISC_CGEN_ST E100_REG_MISC_BASE + 6
-#define E100_REG_MISC_TEST E100_REG_MISC_BASE + 8
-#define E100_REG_MISC_RX_LEN E100_REG_MISC_BASE + 10
-#define E100_REG_MISC_TX_LEN E100_REG_MISC_BASE + 12
-#define E100_REG_MISC_XFER_RATE E100_REG_MISC_BASE + 14
+localparam SR_TX_CTRL = 32; // 6
+localparam SR_TX_DSP = 40; // 5
+localparam SR_TX_FE = 48; // 5
-/////////////////////////////////////////////////////
-// Slave 1 -- UART
-// CLKDIV is 16 bits, others are only 8
+localparam SR_RX_CTRL0 = 96; // 9
+localparam SR_RX_DSP0 = 106; // 7
+localparam SR_RX_FE = 114; // 5
-#define E100_REG_UART_BASE E100_REG_SLAVE(1)
+localparam SR_RX_CTRL1 = 128; // 9
+localparam SR_RX_DSP1 = 138; // 7
-#define E100_REG_UART_CLKDIV E100_REG_UART_BASE + 0
-#define E100_REG_UART_TXLEVEL E100_REG_UART_BASE + 2
-#define E100_REG_UART_RXLEVEL E100_REG_UART_BASE + 4
-#define E100_REG_UART_TXCHAR E100_REG_UART_BASE + 6
-#define E100_REG_UART_RXCHAR E100_REG_UART_BASE + 8
+localparam SR_TIME64 = 192; // 6
+localparam SR_SPI = 208; // 3
+localparam SR_I2C = 216; // 1
+localparam SR_GPIO = 224; // 5
-/////////////////////////////////////////////////////
-// Slave 2 -- SPI Core
-//these are 32-bit registers mapped onto the 16-bit Wishbone bus.
-//Using peek32/poke32 should allow transparent use of these registers.
-#define E100_REG_SPI_BASE E100_REG_SLAVE(2)
+#define REG_RB_TIME_NOW_HI TOREG(10)
+#define REG_RB_TIME_NOW_LO TOREG(11)
+#define REG_RB_TIME_PPS_HI TOREG(14)
+#define REG_RB_TIME_PPS_LO TOREG(15)
+#define REG_RB_SPI TOREG(0)
+#define REG_RB_COMPAT TOREG(1)
+#define REG_RB_GPIO TOREG(3)
+#define REG_RB_I2C TOREG(2)
+#define REG_RB_CONFIG0 TOREG(4)
+#define REG_RB_CONFIG1 TOREG(5)
+#define REG_RB_NUM_RX_DSP TOREG(6)
//spi slave constants
#define UE_SPI_SS_AD9522 (1 << 3)
@@ -71,67 +61,5 @@
#define UE_SPI_SS_TX_DB (1 << 1)
#define UE_SPI_SS_RX_DB (1 << 0)
-////////////////////////////////////////////////
-// Slave 3 -- I2C Core
-
-#define E100_REG_I2C_BASE E100_REG_SLAVE(3)
-
-////////////////////////////////////////////////
-// Slave 5 -- Error messages buffer
-
-#define E100_REG_ERR_BUFF E100_REG_SLAVE(5)
-
-///////////////////////////////////////////////////
-// Slave 7 -- Readback Mux 32
-
-#define E100_REG_RB_MUX_32_BASE E100_REG_SLAVE(7)
-
-#define E100_REG_RB_TIME_NOW_HI E100_REG_RB_MUX_32_BASE + 0
-#define E100_REG_RB_TIME_NOW_LO E100_REG_RB_MUX_32_BASE + 4
-#define E100_REG_RB_TIME_PPS_HI E100_REG_RB_MUX_32_BASE + 8
-#define E100_REG_RB_TIME_PPS_LO E100_REG_RB_MUX_32_BASE + 12
-#define E100_REG_RB_MISC_TEST32 E100_REG_RB_MUX_32_BASE + 16
-#define E100_REG_RB_ERR_STATUS E100_REG_RB_MUX_32_BASE + 20
-#define E100_REG_RB_COMPAT E100_REG_RB_MUX_32_BASE + 24
-#define E100_REG_RB_GPIO E100_REG_RB_MUX_32_BASE + 28
-
-////////////////////////////////////////////////////
-// Slave 8 -- Settings Bus
-//
-// Output-only, no readback, 64 registers total
-// Each register must be written 64 bits at a time
-// First the address xxx_xx00 and then xxx_xx10
-
-// 64 total regs in address space
-#define UE_SR_RX_CTRL0 0 // 9 regs (+0 to +8)
-#define UE_SR_RX_DSP0 10 // 4 regs (+0 to +3)
-#define UE_SR_RX_CTRL1 16 // 9 regs (+0 to +8)
-#define UE_SR_RX_DSP1 26 // 4 regs (+0 to +3)
-#define UE_SR_ERR_CTRL 30 // 1 reg
-#define UE_SR_TX_CTRL 32 // 4 regs (+0 to +3)
-#define UE_SR_TX_DSP 38 // 3 regs (+0 to +2)
-
-#define UE_SR_TIME64 42 // 6 regs (+0 to +5)
-#define UE_SR_RX_FRONT 48 // 5 regs (+0 to +4)
-#define UE_SR_TX_FRONT 54 // 5 regs (+0 to +4)
-
-#define UE_SR_REG_TEST32 60 // 1 reg
-#define UE_SR_CLEAR_FIFO 61 // 1 reg
-#define UE_SR_GLOBAL_RESET 63 // 1 reg
-#define UE_SR_USER_REGS 64 // 2 regs
-
-#define UE_SR_GPIO 128
-
-#define E100_REG_SR_ADDR(n) (E100_REG_SLAVE(8) + (4*(n)))
-
-#define E100_REG_SR_MISC_TEST32 E100_REG_SR_ADDR(UE_SR_REG_TEST32)
-#define E100_REG_SR_ERR_CTRL E100_REG_SR_ADDR(UE_SR_ERR_CTRL)
-
-/////////////////////////////////////////////////
-// Magic reset regs
-////////////////////////////////////////////////
-#define E100_REG_CLEAR_FIFO E100_REG_SR_ADDR(UE_SR_CLEAR_FIFO)
-#define E100_REG_GLOBAL_RESET E100_REG_SR_ADDR(UE_SR_GLOBAL_RESET)
-
-#endif
+#endif /*INCLUDED_E100_REGS_HPP*/
diff --git a/host/lib/usrp/e100/include/linux/usrp_e.h b/host/lib/usrp/e100/include/linux/usrp_e.h
index 37e9ee31a..f0512a40c 100644
--- a/host/lib/usrp/e100/include/linux/usrp_e.h
+++ b/host/lib/usrp/e100/include/linux/usrp_e.h
@@ -1,6 +1,6 @@
/*
- * Copyright (C) 2010 Ettus Research, LLC
+ * Copyright (C) 2010-2012 Ettus Research, LLC
*
* Written by Philip Balister <philip@opensdr.com>
*
@@ -36,7 +36,7 @@ struct usrp_e_ctl32 {
#define USRP_E_GET_RB_INFO _IOR(USRP_E_IOC_MAGIC, 0x27, struct usrp_e_ring_buffer_size_t)
#define USRP_E_GET_COMPAT_NUMBER _IO(USRP_E_IOC_MAGIC, 0x28)
-#define USRP_E_COMPAT_NUMBER 3
+#define USRP_E_COMPAT_NUMBER 4
/* Flag defines */
#define RB_USER (1<<0)
diff --git a/host/lib/usrp/e100/io_impl.cpp b/host/lib/usrp/e100/io_impl.cpp
index 332fe76ae..4d521e222 100644
--- a/host/lib/usrp/e100/io_impl.cpp
+++ b/host/lib/usrp/e100/io_impl.cpp
@@ -15,27 +15,16 @@
// along with this program. If not, see <http://www.gnu.org/licenses/>.
//
-#include "recv_packet_demuxer.hpp"
#include "validate_subdev_spec.hpp"
#include "async_packet_handler.hpp"
#include "../../transport/super_recv_packet_handler.hpp"
#include "../../transport/super_send_packet_handler.hpp"
-#include <linux/usrp_e.h> //ioctl structures and constants
#include "e100_impl.hpp"
-#include "e100_regs.hpp"
#include <uhd/utils/msg.hpp>
#include <uhd/utils/log.hpp>
#include <uhd/utils/tasks.hpp>
-#include <uhd/utils/thread_priority.hpp>
-#include <uhd/transport/bounded_buffer.hpp>
#include <boost/bind.hpp>
#include <boost/format.hpp>
-#include <boost/bind.hpp>
-#include <boost/thread/thread.hpp>
-#include <poll.h> //poll
-#include <fcntl.h> //open, close
-#include <sstream>
-#include <fstream>
#include <boost/make_shared.hpp>
using namespace uhd;
@@ -44,134 +33,7 @@ using namespace uhd::transport;
static const size_t vrt_send_header_offset_words32 = 1;
-/***********************************************************************
- * io impl details (internal to this file)
- * - pirate crew of 1
- * - bounded buffer
- * - thread loop
- * - vrt packet handler states
- **********************************************************************/
-struct e100_impl::io_impl{
- io_impl(void):
- false_alarm(0), async_msg_fifo(1000/*messages deep*/)
- { /* NOP */ }
-
- double tick_rate; //set by update tick rate method
- e100_ctrl::sptr iface; //so handle irq can peek and poke
- void handle_irq(void);
- size_t false_alarm;
- //The data transport is listed first so that it is deconstructed last,
- //which is after the states and booty which may hold managed buffers.
- recv_packet_demuxer::sptr demuxer;
-
- //a pirate's life is the life for me!
- void recv_pirate_loop(
- spi_iface::sptr //keep a sptr to iface which shares gpio147
- ){
- //open the GPIO and set it up for an IRQ
- std::ofstream edge_file("/sys/class/gpio/gpio147/edge");
- edge_file << "rising" << std::endl << std::flush;
- edge_file.close();
- int fd = ::open("/sys/class/gpio/gpio147/value", O_RDONLY);
- if (fd < 0) UHD_MSG(error) << "Unable to open GPIO for IRQ\n";
-
- while (not boost::this_thread::interruption_requested()){
- pollfd pfd;
- pfd.fd = fd;
- pfd.events = POLLPRI | POLLERR;
- ssize_t ret = ::poll(&pfd, 1, 100/*ms*/);
- if (ret > 0) this->handle_irq();
- }
-
- //cleanup before thread exit
- ::close(fd);
- }
- bounded_buffer<async_metadata_t> async_msg_fifo;
- task::sptr pirate_task;
-};
-
-void e100_impl::io_impl::handle_irq(void){
- //check the status of the async msg buffer
- const boost::uint32_t status = iface->peek32(E100_REG_RB_ERR_STATUS);
- if ((status & 0x3) == 0){ //not done or error
- //This could be a false-alarm because spi readback is mixed in.
- //So we just sleep for a bit rather than interrupt continuously.
- if (false_alarm++ > 3) boost::this_thread::sleep(boost::posix_time::milliseconds(1));
- return;
- }
- false_alarm = 0; //its a real message, reset the count...
- //std::cout << boost::format("status: 0x%x") % status << std::endl;
-
- //load the data struct and call the ioctl
- usrp_e_ctl32 data;
- data.offset = E100_REG_ERR_BUFF;
- data.count = status >> 16;
- iface->ioctl(USRP_E_READ_CTL32, &data);
- //for (size_t i = 0; i < data.count; i++){
- //data.buf[i] = iface->peek32(E100_REG_ERR_BUFF + i*sizeof(boost::uint32_t));
- //std::cout << boost::format(" buff[%u] = 0x%08x\n") % i % data.buf[i];
- //}
-
- //unpack the vrt header and process below...
- vrt::if_packet_info_t if_packet_info;
- if_packet_info.num_packet_words32 = data.count;
- try{vrt::if_hdr_unpack_le(data.buf, if_packet_info);}
- catch(const std::exception &e){
- UHD_MSG(error) << "Error unpacking vrt header:\n" << e.what() << std::endl;
- goto prepare;
- }
-
- //handle a tx async report message
- if (if_packet_info.sid == E100_TX_ASYNC_SID and if_packet_info.packet_type != vrt::if_packet_info_t::PACKET_TYPE_DATA){
-
- //fill in the async metadata
- async_metadata_t metadata;
- load_metadata_from_buff(uhd::wtohx<boost::uint32_t>, metadata, if_packet_info, data.buf, tick_rate);
-
- //push the message onto the queue
- async_msg_fifo.push_with_pop_on_full(metadata);
-
- //print some fastpath messages
- standard_async_msg_prints(metadata);
- }
-
- //prepare for the next round
- prepare:
- iface->poke32(E100_REG_SR_ERR_CTRL, 1 << 0); //clear
- while ((iface->peek32(E100_REG_RB_ERR_STATUS) & (1 << 2)) == 0){} //wait for idle
- iface->poke32(E100_REG_SR_ERR_CTRL, 1 << 1); //start
-}
-
-/***********************************************************************
- * Helper Functions
- **********************************************************************/
-void e100_impl::io_init(void){
-
- //create new io impl
- _io_impl = UHD_PIMPL_MAKE(io_impl, ());
- _io_impl->demuxer = recv_packet_demuxer::make(_data_transport, _rx_dsps.size(), E100_RX_SID_BASE);
- _io_impl->iface = _fpga_ctrl;
-
- //clear fifo state machines
- _fpga_ctrl->poke32(E100_REG_CLEAR_FIFO, 0);
-
- //allocate streamer weak ptrs containers
- _rx_streamers.resize(_rx_dsps.size());
- _tx_streamers.resize(1/*known to be 1 dsp*/);
-
- //prepare the async msg buffer for incoming messages
- _fpga_ctrl->poke32(E100_REG_SR_ERR_CTRL, 1 << 0); //clear
- while ((_fpga_ctrl->peek32(E100_REG_RB_ERR_STATUS) & (1 << 2)) == 0){} //wait for idle
- _fpga_ctrl->poke32(E100_REG_SR_ERR_CTRL, 1 << 1); //start
-
- //spawn a pirate, yarrr!
- _io_impl->pirate_task = task::make(boost::bind(
- &e100_impl::io_impl::recv_pirate_loop, _io_impl.get(), _aux_spi_iface
- ));
-}
-
void e100_impl::update_tick_rate(const double rate){
- _io_impl->tick_rate = rate;
//update the tick rate on all existing streamers -> thread safe
for (size_t i = 0; i < _rx_streamers.size(); i++){
@@ -254,8 +116,7 @@ void e100_impl::update_tx_subdev_spec(const uhd::usrp::subdev_spec_t &spec){
bool e100_impl::recv_async_msg(
async_metadata_t &async_metadata, double timeout
){
- boost::this_thread::disable_interruption di; //disable because the wait can throw
- return _io_impl->async_msg_fifo.pop_with_timed_wait(async_metadata, timeout);
+ return _fifo_ctrl->pop_async_msg(async_metadata, timeout);
}
/***********************************************************************
@@ -300,7 +161,7 @@ rx_streamer::sptr e100_impl::get_rx_stream(const uhd::stream_args_t &args_){
_rx_dsps[dsp]->set_nsamps_per_packet(spp); //seems to be a good place to set this
_rx_dsps[dsp]->setup(args);
my_streamer->set_xport_chan_get_buff(chan_i, boost::bind(
- &recv_packet_demuxer::get_recv_buff, _io_impl->demuxer, dsp, _1
+ &recv_packet_demuxer::get_recv_buff, _recv_demuxer, dsp, _1
), true /*flush*/);
my_streamer->set_overflow_handler(chan_i, boost::bind(
&rx_dsp_core_200::handle_overflow, _rx_dsps[dsp]