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authorJosh Blum <josh@joshknows.com>2011-01-23 18:48:16 +0000
committerJosh Blum <josh@joshknows.com>2011-01-23 18:48:16 +0000
commitb3df6a0ebfa288d032d917b48b69f036444e57b6 (patch)
tree244ddbd86e71bd40dd4a1ed81e168ed4627cc95d /host/utils/fpga-downloader.cpp
parent3db02acdfd44b22c05eaafe66e751f8fbfb29dcd (diff)
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usrp-e100: created component for stand-alone usrp-e utils and added wb test util
Diffstat (limited to 'host/utils/fpga-downloader.cpp')
-rw-r--r--host/utils/fpga-downloader.cpp267
1 files changed, 0 insertions, 267 deletions
diff --git a/host/utils/fpga-downloader.cpp b/host/utils/fpga-downloader.cpp
deleted file mode 100644
index 80ee71600..000000000
--- a/host/utils/fpga-downloader.cpp
+++ /dev/null
@@ -1,267 +0,0 @@
-/* -*- c++ -*- */
-/*
- * Copyright 2003,2004,2008,2009 Free Software Foundation, Inc.
- *
- * This file is part of GNU Radio
- *
- * GNU Radio 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, or (at your option)
- * any later version.
- *
- * GNU Radio 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 GNU Radio; see the file COPYING. If not, write to
- * the Free Software Foundation, Inc., 51 Franklin Street,
- * Boston, MA 02110-1301, USA.
-*/
-
-#include <iostream>
-#include <sstream>
-#include <fstream>
-#include <string>
-#include <cstdlib>
-
-#include <fcntl.h>
-#include <errno.h>
-#include <sys/types.h>
-#include <sys/stat.h>
-#include <sys/ioctl.h>
-
-#include <linux/spi/spidev.h>
-
-/*
- * Configuration connections
- *
- * CCK - MCSPI1_CLK
- * DIN - MCSPI1_MOSI
- * PROG_B - GPIO_175 - output (change mux)
- * DONE - GPIO_173 - input (change mux)
- * INIT_B - GPIO_114 - input (change mux)
- *
-*/
-
-const unsigned int PROG_B = 175;
-const unsigned int DONE = 173;
-const unsigned int INIT_B = 114;
-
-static std::string bit_file = "safe_u1e.bin";
-
-const int BUF_SIZE = 4096;
-
-enum gpio_direction {IN, OUT};
-
-class gpio {
- public:
-
- gpio(unsigned int gpio_num, gpio_direction pin_direction);
-
- bool get_value();
- void set_value(bool state);
-
- private:
-
- std::stringstream base_path;
- std::fstream value_file;
-};
-
-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)
-{
- std::fstream export_file;
-
- 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::fstream direction_file;
- 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;
-}
-
-static void prepare_fpga_for_configuration(gpio &prog, gpio &init)
-{
-
- prog.set_value(true);
- prog.set_value(false);
- prog.set_value(true);
-
-#if 0
- bool ready_to_program(false);
- unsigned int count(0);
- do {
- ready_to_program = init.get_value();
- count++;
-
- sleep(1);
- } while (count < 10 && !ready_to_program);
-
- if (count == 10) {
- std::cout << "FPGA not ready for programming." << std::endl;
- exit(-1);
- }
-#endif
-}
-
-spidev::spidev(std::string fname)
-{
- int ret;
- int mode = 0;
- int speed = 12000000;
- int bits = 8;
-
- 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 = 48000000;
- tr.bits_per_word = 8;
-
- ret = ioctl(fd, SPI_IOC_MESSAGE(1), &tr);
-
-}
-
-static void send_file_to_fpga(std::string &file_name, gpio &error, gpio &done)
-{
- std::ifstream bitstream;
-
- std::cout << "File name - " << file_name.c_str() << std::endl;
-
- bitstream.open(file_name.c_str(), std::ios::binary);
- if (!bitstream.is_open())
- std::cout << "File " << file_name << " not opened succesfully." << std::endl;
-
- spidev spi("/dev/spidev1.0");
- char buf[BUF_SIZE];
- char rbuf[BUF_SIZE];
-
- do {
- bitstream.read(buf, BUF_SIZE);
- spi.send(buf, rbuf, bitstream.gcount());
-
- if (error.get_value())
- std::cout << "INIT_B went high, error occured." << std::endl;
-
- if (!done.get_value())
- std::cout << "Configuration complete." << std::endl;
-
- } while (bitstream.gcount() == BUF_SIZE);
-}
-
-int main(int argc, char *argv[])
-{
-
- gpio gpio_prog_b(PROG_B, OUT);
- gpio gpio_init_b(INIT_B, IN);
- gpio gpio_done (DONE, IN);
-
- if (argc == 2)
- bit_file = argv[1];
-
- bool module_found(false);
- std::ifstream mod_file("/proc/modules");
- while (!mod_file.eof()) {
- std::string line;
- getline(mod_file, line);
- if (line.find("usrp_e") != std::string::npos)
- module_found = true;
- }
- mod_file.close();
-
- if (module_found) {
- std::cout << "USRP Embedded kernel module loaded, not loading FPGA." << std::endl;
- return -1;
- }
-
- std::cout << "FPGA config file: " << bit_file << std::endl;
-
- prepare_fpga_for_configuration(gpio_prog_b, gpio_init_b);
-
- std::cout << "Done = " << gpio_done.get_value() << std::endl;
-
- send_file_to_fpga(bit_file, gpio_init_b, gpio_done);
-}
-