diff options
| -rw-r--r-- | host/docs/usrp_e1xx.rst | 15 | ||||
| -rw-r--r-- | host/usrp_e_utils/CMakeLists.txt | 1 | ||||
| -rw-r--r-- | host/usrp_e_utils/clkgen_config.hpp | 305 | ||||
| -rw-r--r-- | host/usrp_e_utils/usrp-e-utility.cpp | 72 |
4 files changed, 0 insertions, 393 deletions
diff --git a/host/docs/usrp_e1xx.rst b/host/docs/usrp_e1xx.rst index fcaa57716..4ac9d133a 100644 --- a/host/docs/usrp_e1xx.rst +++ b/host/docs/usrp_e1xx.rst @@ -53,21 +53,6 @@ Example: uhd_usrp_probe --args="master_clock_rate=52e6" -^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ -Clock rate recovery - unbricking -^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ -It is possible to set a clock rate such that the UHD can no longer communicate with the FPGA. -When this occurs, it is necessary to use the usrp-e-utility to recover the clock generator. -The recovery utility works by loading a special pass-through FPGA image so the computer -can talk directly to the clock generator over a SPI interface. - -Run the following commands to restore the clock generator to a usable state: -:: - - cd <install-path>/share/uhd/usrp_e_utilities - ./usrp-e-utility --fpga=../images/usrp_e100_pt_fpga.bin --reclk - - ------------------------------------------------------------------------ Clock Synchronization ------------------------------------------------------------------------ diff --git a/host/usrp_e_utils/CMakeLists.txt b/host/usrp_e_utils/CMakeLists.txt index e7d6ae4b8..5f244a216 100644 --- a/host/usrp_e_utils/CMakeLists.txt +++ b/host/usrp_e_utils/CMakeLists.txt @@ -28,7 +28,6 @@ IF(ENABLE_USRP_E_UTILS) INCLUDE_DIRECTORIES(${CMAKE_BINARY_DIR}/lib/ic_reg_maps) SET(usrp_e_utils_sources - usrp-e-utility.cpp usrp-e-loopback.c usrp-e-timed.c usrp-e-wb-test.cpp diff --git a/host/usrp_e_utils/clkgen_config.hpp b/host/usrp_e_utils/clkgen_config.hpp deleted file mode 100644 index f39f8bb19..000000000 --- a/host/usrp_e_utils/clkgen_config.hpp +++ /dev/null @@ -1,305 +0,0 @@ -// -// Copyright 2011 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 -// the Free Software Foundation, either version 3 of the License, or -// (at your option) any later version. -// -// This program is distributed in the hope that it will be useful, -// but WITHOUT ANY WARRANTY; without even the implied warranty of -// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -// GNU General Public License for more details. -// -// You should have received a copy of the GNU General Public License -// along with this program. If not, see <http://www.gnu.org/licenses/>. -// - -#ifndef USRP_E_UTILS_CLKGEN_CONFIG_HPP -#define USRP_E_UTILS_CLKGEN_CONFIG_HPP - -#include <iostream> -#include <sstream> -#include <fstream> -#include <string> -#include <cstdlib> - -#include <fcntl.h> -#include <sys/types.h> -#include <sys/stat.h> -#include <sys/ioctl.h> - -#include <linux/spi/spidev.h> - -namespace usrp_e_clkgen_config_utility{ - -// Programming data for clock gen chip -static const unsigned int config_data[] = { - 0x000024, - 0x023201, - 0x000081, - 0x000400, - 0x00104c, - 0x001101, - 0x001200, - 0x001300, - 0x001414, - 0x001500, - 0x001604, - 0x001704, - 0x001807, - 0x001900, - //0x001a00,//for debug - 0x001a32, - 0x001b12, - 0x001c44, - 0x001d00, - 0x001e00, - 0x00f062, - 0x00f162, - 0x00f262, - 0x00f362, - 0x00f462, - 0x00f562, - 0x00f662, - 0x00f762, - 0x00f862, - 0x00f962, - 0x00fa62, - 0x00fb62, - 0x00fc00, - 0x00fd00, - 0x019021, - 0x019100, - 0x019200, - 0x019321, - 0x019400, - 0x019500, - 0x019611, - 0x019700, - 0x019800, - 0x019900, - 0x019a00, - 0x019b00, - 0x01e003, - 0x01e102, - 0x023000, - 0x023201, - 0x0b0201, - 0x0b0300, - 0x001fff, - 0x0a0000, - 0x0a0100, - 0x0a0200, - 0x0a0302, - 0x0a0400, - 0x0a0504, - 0x0a060e, - 0x0a0700, - 0x0a0810, - 0x0a090e, - 0x0a0a00, - 0x0a0bf0, - 0x0a0c0b, - 0x0a0d01, - 0x0a0e90, - 0x0a0f01, - 0x0a1001, - 0x0a11e0, - 0x0a1201, - 0x0a1302, - 0x0a1430, - 0x0a1580, - 0x0a16ff, - 0x023201, - 0x0b0301, - 0x023201, -}; - - -const unsigned int CLKGEN_SELECT = 145; - - -enum gpio_direction {IN, OUT}; - -class gpio { - public: - - gpio(unsigned int gpio_num, gpio_direction pin_direction, bool close_action); - ~gpio(); - - bool get_value(); - void set_value(bool state); - - private: - - unsigned int gpio_num; - - std::stringstream base_path; - std::fstream value_file; - std::fstream direction_file; - bool close_action; // True set to input and release, false do nothing -}; - -class spidev { - public: - - spidev(std::string dev_name); - ~spidev(); - - void send(char *wbuf, char *rbuf, unsigned int nbytes); - - private: - - int fd; - -}; - -gpio::gpio(unsigned int _gpio_num, gpio_direction pin_direction, bool close_action) -:close_action(close_action) -{ - std::fstream export_file; - - gpio_num = _gpio_num; - - export_file.open("/sys/class/gpio/export", std::ios::out); - if (!export_file.is_open()) ///\todo Poor error handling - std::cout << "Failed to open gpio export file." << std::endl; - - export_file << gpio_num << std::endl; - - base_path << "/sys/class/gpio/gpio" << gpio_num << std::flush; - - std::string direction_file_name; - - direction_file_name = base_path.str() + "/direction"; - - direction_file.open(direction_file_name.c_str()); - if (!direction_file.is_open()) - std::cout << "Failed to open direction file." << std::endl; - if (pin_direction == OUT) - direction_file << "out" << std::endl; - else - direction_file << "in" << std::endl; - - std::string value_file_name; - - value_file_name = base_path.str() + "/value"; - - value_file.open(value_file_name.c_str(), std::ios_base::in | std::ios_base::out); - if (!value_file.is_open()) - std::cout << "Failed to open value file." << std::endl; -} - -bool gpio::get_value() -{ - - std::string val; - - std::getline(value_file, val); - value_file.seekg(0); - - if (val == "0") - return false; - else if (val == "1") - return true; - else - std::cout << "Data read from value file|" << val << "|" << std::endl; - - return false; -} - -void gpio::set_value(bool state) -{ - - if (state) - value_file << "1" << std::endl; - else - value_file << "0" << std::endl; -} - -gpio::~gpio() -{ - if (close_action) { - std::fstream unexport_file; - - direction_file << "in" << std::endl; - - unexport_file.open("/sys/class/gpio/unexport", std::ios::out); - if (!unexport_file.is_open()) ///\todo Poor error handling - std::cout << "Failed to open gpio export file." << std::endl; - - unexport_file << gpio_num << std::endl; - - } - -} - -spidev::spidev(std::string fname) -{ - int ret; - int mode = 0; - int speed = 12000; - int bits = 24; - - fd = open(fname.c_str(), O_RDWR); - - ret = ioctl(fd, SPI_IOC_WR_MODE, &mode); - ret = ioctl(fd, SPI_IOC_WR_MAX_SPEED_HZ, &speed); - ret = ioctl(fd, SPI_IOC_WR_BITS_PER_WORD, &bits); -} - - -spidev::~spidev() -{ - close(fd); -} - -void spidev::send(char *buf, char *rbuf, unsigned int nbytes) -{ - int ret; - - struct spi_ioc_transfer tr; - tr.tx_buf = (unsigned long) buf; - tr.rx_buf = (unsigned long) rbuf; - tr.len = nbytes; - tr.delay_usecs = 0; - tr.speed_hz = 12000; - tr.bits_per_word = 24; - - ret = ioctl(fd, SPI_IOC_MESSAGE(1), &tr); - -} - -static void send_config_to_clkgen(gpio &chip_select, const unsigned int data[], unsigned int data_size) -{ - spidev spi("/dev/spidev1.0"); - unsigned int rbuf; - - for (unsigned int i = 0; i < data_size; i++) { - - //std::cout << "sending " << std::hex << data[i] << std::endl; - chip_select.set_value(0); - spi.send((char *)&data[i], (char *)&rbuf, 4); - chip_select.set_value(1); - unsigned int addr = (data[i] >> 8) & 0xfff; - if (addr == 0x232 || addr == 0x000){ - std::cout << "." << std::flush; - sleep(1); - } - }; - std::cout << std::endl; -} - -}//namespace usrp_e_clkgen_config_utility - -//int main(int argc, char *argv[]) -static void clock_genconfig_main(void) -{ - using namespace usrp_e_clkgen_config_utility; - gpio clkgen_select(CLKGEN_SELECT, OUT, true); - - send_config_to_clkgen(clkgen_select, config_data, sizeof(config_data)/sizeof(config_data[0])); -} - -#endif /*USRP_E_UTILS_CLKGEN_CONFIG_HPP*/ diff --git a/host/usrp_e_utils/usrp-e-utility.cpp b/host/usrp_e_utils/usrp-e-utility.cpp deleted file mode 100644 index 47a2c0900..000000000 --- a/host/usrp_e_utils/usrp-e-utility.cpp +++ /dev/null @@ -1,72 +0,0 @@ -// -// Copyright 2011 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 -// the Free Software Foundation, either version 3 of the License, or -// (at your option) any later version. -// -// This program is distributed in the hope that it will be useful, -// but WITHOUT ANY WARRANTY; without even the implied warranty of -// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -// GNU General Public License for more details. -// -// You should have received a copy of the GNU General Public License -// along with this program. If not, see <http://www.gnu.org/licenses/>. -// - -#include <uhd/utils/safe_main.hpp> -#include <boost/program_options.hpp> -#include <boost/format.hpp> -#include <stdexcept> -#include <iostream> - -#include "fpga_downloader.cpp" -#include "clkgen_config.hpp" - -namespace po = boost::program_options; - -int UHD_SAFE_MAIN(int argc, char *argv[]){ - - //variables to be set by po - std::string fpga_path; - - //setup the program options - po::options_description desc("Allowed options"); - desc.add_options() - ("help", "help message") - ("fpga", po::value<std::string>(&fpga_path), "loads the specified FPGA file") - ("reclk", "runs the clock recovery") - ; - po::variables_map vm; - po::store(po::parse_command_line(argc, argv, desc), vm); - po::notify(vm); - - //print the help message - if (vm.count("help")){ - std::cout << boost::format("UHD USRP-E Utility %s") % desc << std::endl; - return ~0; - } - - bool loaded_fpga_image = false; - if (vm.count("fpga") != 0){ - std::cout << "USRP-E Utility loading the FPGA..." << std::endl << std::endl; - usrp_e100_load_fpga(fpga_path); - loaded_fpga_image = true; - sleep(1); - } - - if (vm.count("reclk") != 0){ - std::cout << "USRP-E Utility running the clock recovery..." << std::flush; - //if an image was not loaded or specified, we load pass-through - if (fpga_path.empty()) throw std::runtime_error( - "Please specify the path to the pass-though FPGA image for your device.\n" - " usrp-e-utility --reclk --fpga=/usr/share/uhd/images/usrp_e1xx_pt_fpga.bin" - ); - clock_genconfig_main(); - } - - std::cout << "Done!" << std::endl; - - return 0; -} |