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//
// Copyright 2010-2013 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 <cstdlib>
#include <cstring>
#include <iostream>
#include <iomanip>
#include <fstream>
#include <libusb.h>
#include <sstream>
#include <string>
#include <cmath>
#include <cstring>
#include <boost/cstdint.hpp>
#include <boost/filesystem.hpp>
#include <boost/lexical_cast.hpp>
#include <boost/format.hpp>
#include <boost/program_options.hpp>
#include <boost/thread/thread.hpp>
#include <boost/functional/hash.hpp>
#include <b200_iface.hpp>
#include <uhd/config.hpp>
#include <uhd/transport/usb_control.hpp>
#include <uhd/transport/usb_device_handle.hpp>
#include <uhd/exception.hpp>
#include <uhd/utils/images.hpp>
namespace po = boost::program_options;
namespace fs = boost::filesystem;
//!used with lexical cast to parse a hex string
template <class T> struct to_hex{
T value;
operator T() const {return value;}
friend std::istream& operator>>(std::istream& in, to_hex& out){
in >> std::hex >> out.value;
return in;
}
};
//!parse hex-formatted ASCII text into an int
boost::uint16_t atoh(const std::string &string){
if (string.substr(0, 2) == "0x"){
return boost::lexical_cast<to_hex<boost::uint16_t> >(string);
}
return boost::lexical_cast<boost::uint16_t>(string);
}
int reset_usb()
{
/* Okay, first, we need to discover what the path is to the ehci and
* xhci device files. */
std::set<fs::path> path_list;
path_list.insert("/sys/bus/pci/drivers/xhci-pci/");
path_list.insert("/sys/bus/pci/drivers/ehci-pci/");
path_list.insert("/sys/bus/pci/drivers/xhci_hcd/");
path_list.insert("/sys/bus/pci/drivers/ehci_hcd/");
/* Check each of the possible paths above to find which ones this system
* uses. */
for(std::set<fs::path>::iterator found = path_list.begin();
found != path_list.end(); ++found) {
if(fs::exists(*found)) {
fs::path devpath = *found;
std::set<fs::path> globbed;
/* Now, glob all of the files in the directory. */
fs::directory_iterator end_itr;
for(fs::directory_iterator itr(devpath); itr != end_itr; ++itr) {
globbed.insert((*itr).path());
}
/* Check each file path string to see if it is a device file. */
for(std::set<fs::path>::iterator it = globbed.begin();
it != globbed.end(); ++it) {
std::string file = fs::path((*it).filename()).string();
if(file.compare(0, 5, "0000:") == 0) {
/* Un-bind the device. */
std::fstream unbind((devpath.string() + "unbind").c_str(),
std::fstream::out);
unbind << file;
unbind.close();
/* Re-bind the device. */
std::cout << "Re-binding: " << file << " in "
<< devpath.string() << std::endl;
std::fstream bind((devpath.string() + "bind").c_str(),
std::fstream::out);
bind << file;
bind.close();
}
}
}
}
return 0;
}
uhd::transport::usb_device_handle::sptr open_device(const boost::uint16_t vid, const boost::uint16_t pid)
{
std::vector<uhd::transport::usb_device_handle::sptr> handles;
uhd::transport::usb_device_handle::sptr handle;
try {
handles = uhd::transport::usb_device_handle::get_device_list(vid, pid); // try caller's VID/PID first
if (handles.size() == 0)
handles = uhd::transport::usb_device_handle::get_device_list(FX3_VID, FX3_DEFAULT_PID); // try default Cypress FX3 VID/PID next
if (handles.size() == 0)
handles = uhd::transport::usb_device_handle::get_device_list(FX3_VID, FX3_REENUM_PID); // try reenumerated Cypress FX3 VID/PID next
if (handles.size() == 0)
handles = uhd::transport::usb_device_handle::get_device_list(B200_VENDOR_ID, B200_PRODUCT_ID); // try default B200 VID/PID last
if (handles.size() > 0)
handle = handles[0];
if (!handle)
std::cerr << "Cannot open device" << std::endl;
}
catch(const std::exception &e) {
std::cerr << "Failed to communicate with the device!" << std::endl;
#ifdef UHD_PLATFORM_WIN32
std::cerr << "The necessary drivers are not installed. Read the UHD Transport Application Notes for details." << std::endl;
#endif /* UHD_PLATFORM_WIN32 */
handle.reset();
}
return handle;
}
b200_iface::sptr make_b200_iface(const uhd::transport::usb_device_handle::sptr &handle)
{
b200_iface::sptr b200;
try {
uhd::transport::usb_control::sptr usb_ctrl = uhd::transport::usb_control::make(handle, 0);
b200 = b200_iface::make(usb_ctrl);
if (!b200)
std::cerr << "Cannot create device interface" << std::endl;
}
catch(const std::exception &e) {
std::cerr << "Failed to communicate with the device!" << std::endl;
#ifdef UHD_PLATFORM_WIN32
std::cerr << "The necessary drivers are not installed. Read the UHD Transport Application Notes for details." << std::endl;
#endif /* UHD_PLATFORM_WIN32 */
b200.reset();
}
return b200;
}
boost::int32_t main(boost::int32_t argc, char *argv[]) {
boost::uint16_t vid, pid;
std::string pid_str, vid_str, fw_file, fpga_file;
po::options_description visible("Allowed options");
visible.add_options()
("help,h", "help message")
("vid,v", po::value<std::string>(&vid_str),
"Specify VID of device to use.")
("pid,p", po::value<std::string>(&pid_str),
"Specify PID of device to use.")
("speed,S", "Read back the USB mode currently in use.")
("reset-device,D", "Reset the B2xx Device.")
("reset-fpga,F", "Reset the FPGA (does not require re-programming.")
("reset-usb,U", "Reset the USB subsystem on your host computer.")
("init-device,I", "Initialize a B2xx device.")
("load-fw,W", po::value<std::string>(&fw_file),
"Load a firmware (hex) file into the FX3.")
("load-fpga,L", po::value<std::string>(&fpga_file),
"Load a FPGA (bin) file into the FPGA.")
;
// Hidden options provided for testing - use at your own risk!
po::options_description hidden("Hidden options");
hidden.add_options()
("uninit-device,U", "Uninitialize a B2xx device.")
("read-eeprom,R", "Read first 8 bytes of EEPROM")
("erase-eeprom,E", "Erase first 8 bytes of EEPROM");
po::options_description desc;
desc.add(visible);
desc.add(hidden);
po::variables_map vm;
po::store(po::parse_command_line(argc, argv, desc), vm);
po::notify(vm);
if (vm.count("help")){
try {
std::cout << boost::format("B2xx Utility Program %s") % visible << std::endl;
} catch(...) {}
return ~0;
} else if (vm.count("reset-usb")) {
return reset_usb();
}
uhd::transport::usb_device_handle::sptr handle;
b200_iface::sptr b200;
vid = B200_VENDOR_ID; // Default
pid = B200_PRODUCT_ID; // Default
try {
if (vm.count("vid"))
vid = atoh(vid_str);
if (vm.count("pid"))
pid = atoh(pid_str);
} catch (std::exception &e) {
std::cerr << "Exception while parsing VID and PID: " << e.what() << std:: endl;
return ~0;
}
// open the device
handle = open_device(vid, pid);
if (!handle)
return -1;
std::cout << "B2xx detected..." << std::flush;
// make the interface
b200 = make_b200_iface(handle);
if (!b200)
return -1;
std::cout << " Control of B2xx granted..." << std::endl << std::endl;
// if we are supposed to load a new firmware image and one already exists, reset the FX3 so we can load the new one
if (vm.count("load-fw") && handle->firmware_loaded())
{
std::cout << "Overwriting existing firmware" << std::endl;
// reset the device
try {
b200->reset_fx3();
} catch (std::exception &e) {
std::cerr << "Exception while reseting FX3: " << e.what() << std::endl;
}
// re-open device
b200.reset();
handle.reset();
boost::this_thread::sleep(boost::posix_time::seconds(2)); // wait 2 seconds for FX3 to reset
handle = open_device(vid, pid);
if (!handle)
return -1;
b200 = make_b200_iface(handle);
if (!b200)
return -1;
}
// Check to make sure firmware is loaded
if (!(handle->firmware_loaded()))
{
std::cout << "Loading firmware" << std::endl;
if (fw_file.empty())
fw_file = uhd::find_image_path(B200_FW_FILE_NAME);
if(fw_file.empty()) {
std::cerr << "Firmware image not found!" << std::endl;
return -1;
}
if(!(fs::exists(fw_file))) {
std::cerr << "Invalid filepath: " << fw_file << std::endl;
return -1;
}
// load firmware
try {
b200->load_firmware(fw_file);
} catch (std::exception &e) {
std::cerr << "Exception while loading firmware: " << e.what() << std::endl;
return ~0;
}
// re-open device
b200.reset();
handle.reset();
handle = open_device(vid, pid);
if (!handle)
return -1;
b200 = make_b200_iface(handle);
if (!b200)
return -1;
}
// Added for testing purposes - not exposed
if (vm.count("read-eeprom"))
{
uhd::byte_vector_t data;
try {
data = b200->read_eeprom(0x0, 0x0, 8);
} catch (std::exception &e) {
std::cerr << "Exception while reading EEPROM: " << e.what() << std::endl;
return -1;
}
for (int i = 0; i < 8; i++)
std::cout << i << ": " << boost::format("0x%X") % (int)data[i] << std::endl;
return 0;
}
// Added for testing purposes - not exposed
if (vm.count("erase-eeprom"))
{
uhd::byte_vector_t bytes(8);
memset(&bytes[0], 0xFF, 8);
try {
b200->write_eeprom(0x0, 0x0, bytes);
} catch (uhd::exception &e) {
std::cerr << "Exception while writing to EEPROM: " << e.what() << std::endl;
return -1;
}
// verify
uhd::byte_vector_t read_bytes(8);
try {
read_bytes = b200->read_eeprom(0x0, 0x0, 8);
} catch (uhd::exception &e) {
std::cerr << "Exception while reading from EEPROM: " << e.what() << std::endl;
return -1;
}
bool verified = true;
for (int i = 0; i < 8; i++) {
if (bytes[i] != read_bytes[i]) {
verified = false;
std::cerr << "Expected: " << bytes[i] << ", Got: " << read_bytes[i] << std::endl;
}
}
if (!verified) {
std::cerr << "Verification failed" << std::endl;
return -1;
}
std::cout << "Erase Successful!" << std::endl;
return 0;
}
// Added for testing purposes - not exposed
if (vm.count("uninit-device"))
{
// uninitialize the device
uhd::byte_vector_t bytes(8);
memset(&bytes[0], 0xFF, 8);
try {
b200->write_eeprom(0x0, 0x0, bytes);
} catch (uhd::exception &e) {
std::cerr << "Exception while writing to EEPROM: " << e.what() << std::endl;
return -1;
}
std::cout << "EEPROM uninitialized, resetting device..."
<< std::endl << std::endl;
// reset the device
try {
b200->reset_fx3();
} catch (uhd::exception &e) {
std::cerr << "Exception while resetting FX3: " << e.what() << std::endl;
return -1;
}
std::cout << "Uninitialization Process Complete."
<< std::endl << std::endl;
return 0;
}
/* If we are initializing the device, the VID/PID should default to the
* Cypress VID/PID for the initial FW load, but we can initialize from any state. */
if (vm.count("init-device"))
{
/* Now, initialize the device. */
uhd::byte_vector_t bytes(8);
bytes[0] = 0x43;
bytes[1] = 0x59;
bytes[2] = 0x14;
bytes[3] = 0xB2;
bytes[4] = (B200_PRODUCT_ID & 0xff);
bytes[5] = (B200_PRODUCT_ID >> 8);
bytes[6] = (B200_VENDOR_ID & 0xff);
bytes[7] = (B200_VENDOR_ID >> 8);
try {
b200->write_eeprom(0x0, 0x0, bytes);
} catch (uhd::exception &e) {
std::cerr << "Exception while writing to EEPROM: " << e.what() << std::endl;
return -1;
}
std::cout << "EEPROM initialized, resetting device..."
<< std::endl << std::endl;
/* Reset the device! */
try {
b200->reset_fx3();
} catch (const std::exception &e) {
std::cerr << "Exception while resetting device: " << e.what() << std::endl;
return -1;
}
std::cout << "Initialization Process Complete."
<< std::endl << std::endl;
return 0;
}
boost::uint8_t data_buffer[16];
memset(data_buffer, 0x0, sizeof(data_buffer));
if (vm.count("speed")){
boost::uint8_t speed;
try {speed = b200->get_usb_speed();}
catch (uhd::exception &e) {
std::cerr << "Exception while getting USB speed: " << e.what() << std::endl;
return -1;
}
std::cout << "Currently operating at USB " << (int) speed << std::endl;
} else if (vm.count("reset-device")) {
try {b200->reset_fx3();}
catch (uhd::exception &e) {
std::cerr << "Exception while resetting FX3: " << e.what() << std::endl;
return -1;
}
} else if (vm.count("reset-fpga")) {
try {b200->set_fpga_reset_pin(true);}
catch (uhd::exception &e) {
std::cerr << "Exception while resetting FPGA: " << e.what() << std::endl;
return -1;
}
} else if (vm.count("load-fw")) {
std::cout << "Firmware load complete, releasing USB interface..."
<< std::endl;
} else if (vm.count("load-fpga")) {
std::cout << "Loading FPGA image (" << fpga_file << ")" << std::endl;
uint32_t fx3_state;
try {fx3_state = b200->load_fpga(fpga_file);} // returns 0 on success, or FX3 state on error
catch (uhd::exception &e) {
std::cerr << "Exception while loading FPGA: " << e.what() << std::endl;
return ~0;
}
if (fx3_state != 0) {
std::cerr << std::flush << "Error loading FPGA. FX3 state: "
<< fx3_state << std::endl;
return ~0;
}
std::cout << "FPGA load complete, releasing USB interface..."
<< std::endl;
} else {
try {
std::cout << boost::format("B2xx Utility Program %s") % visible << std::endl;
} catch(...) {}
return ~0;
}
std::cout << "Operation complete! I did it! I did it!" << std::endl;
return 0;
}
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