diff options
Diffstat (limited to 'host/lib/usrp/usrp1/usrp1_ctrl.cpp')
-rw-r--r-- | host/lib/usrp/usrp1/usrp1_ctrl.cpp | 423 |
1 files changed, 0 insertions, 423 deletions
diff --git a/host/lib/usrp/usrp1/usrp1_ctrl.cpp b/host/lib/usrp/usrp1/usrp1_ctrl.cpp deleted file mode 100644 index b29e779c1..000000000 --- a/host/lib/usrp/usrp1/usrp1_ctrl.cpp +++ /dev/null @@ -1,423 +0,0 @@ -// -// Copyright 2010-2011 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 "usrp1_ctrl.hpp" -#include "usrp_commands.h" -#include <uhd/utils/msg.hpp> -#include <uhd/exception.hpp> -#include <uhd/transport/usb_control.hpp> -#include <boost/functional/hash.hpp> -#include <boost/thread/thread.hpp> -#include <fstream> -#include <sstream> -#include <string> -#include <vector> -#include <cstring> - -using namespace uhd; - -#define FX2_FIRMWARE_LOAD 0xa0 - -static const bool load_img_msg = true; - -/*********************************************************************** - * Helper Functions - **********************************************************************/ -/*! - * Create a file hash - * The hash will be used to identify the loaded firmware and fpga image - * \param filename file used to generate hash value - * \return hash value in a size_t type - */ -static size_t generate_hash(const char *filename) -{ - std::ifstream file(filename); - if (not file){ - throw uhd::io_error(std::string("cannot open input file ") + filename); - } - - size_t hash = 0; - - char ch; - while (file.get(ch)) { - boost::hash_combine(hash, ch); - } - - if (not file.eof()){ - throw uhd::io_error(std::string("file error ") + filename); - } - - file.close(); - return hash; -} - - -/*! - * Verify checksum of a Intel HEX record - * \param record a line from an Intel HEX file - * \return true if record is valid, false otherwise - */ -static bool checksum(std::string *record) -{ - - size_t len = record->length(); - unsigned int i; - unsigned char sum = 0; - unsigned int val; - - for (i = 1; i < len; i += 2) { - std::istringstream(record->substr(i, 2)) >> std::hex >> val; - sum += val; - } - - if (sum == 0) - return true; - else - return false; -} - - -/*! - * Parse Intel HEX record - * - * \param record a line from an Intel HEX file - * \param len output length of record - * \param addr output address - * \param type output type - * \param data output data - * \return true if record is sucessfully read, false on error - */ -bool parse_record(std::string *record, unsigned int &len, - unsigned int &addr, unsigned int &type, - unsigned char* data) -{ - unsigned int i; - std::string _data; - unsigned int val; - - if (record->substr(0, 1) != ":") - return false; - - std::istringstream(record->substr(1, 2)) >> std::hex >> len; - std::istringstream(record->substr(3, 4)) >> std::hex >> addr; - std::istringstream(record->substr(7, 2)) >> std::hex >> type; - - for (i = 0; i < len; i++) { - std::istringstream(record->substr(9 + 2 * i, 2)) >> std::hex >> val; - data[i] = (unsigned char) val; - } - - return true; -} - - -/*! - * USRP control implementation for device discovery and configuration - */ -class usrp_ctrl_impl : public usrp_ctrl { -public: - usrp_ctrl_impl(uhd::transport::usb_control::sptr ctrl_transport) - { - _ctrl_transport = ctrl_transport; - } - - void usrp_load_firmware(std::string filestring, bool force) - { - const char *filename = filestring.c_str(); - - size_t hash = generate_hash(filename); - - size_t loaded_hash; usrp_get_firmware_hash(loaded_hash); - - if (not force and (hash == loaded_hash)) return; - - //FIXME: verify types - unsigned int len; - unsigned int addr; - unsigned int type; - unsigned char data[512]; - - std::ifstream file; - file.open(filename, std::ifstream::in); - - if (!file.good()) { - throw uhd::io_error("usrp_load_firmware: cannot open firmware input file"); - } - - unsigned char reset_y = 1; - unsigned char reset_n = 0; - - //hit the reset line - if (load_img_msg) UHD_MSG(status) << "Loading firmware image: " << filestring << "..." << std::flush; - usrp_control_write(FX2_FIRMWARE_LOAD, 0xe600, 0, &reset_y, 1); - - while (!file.eof()) { - std::string record; - file >> record; - - //check for valid record - if (not checksum(&record) or not parse_record(&record, len, addr, type, data)) { - throw uhd::io_error("usrp_load_firmware: bad record checksum"); - } - - //type 0x00 is data - if (type == 0x00) { - int ret = usrp_control_write(FX2_FIRMWARE_LOAD, addr, 0, data, len); - if (ret < 0) throw uhd::io_error("usrp_load_firmware: usrp_control_write failed"); - } - //type 0x01 is end - else if (type == 0x01) { - usrp_set_firmware_hash(hash); //set hash before reset - usrp_control_write(FX2_FIRMWARE_LOAD, 0xe600, 0, &reset_n, 1); - file.close(); - - //wait for things to settle - boost::this_thread::sleep(boost::posix_time::milliseconds(1000)); - if (load_img_msg) UHD_MSG(status) << " done" << std::endl; - return; - } - //type anything else is unhandled - else { - throw uhd::io_error("usrp_load_firmware: unsupported record"); - } - } - - //file did not end - throw uhd::io_error("usrp_load_firmware: bad record"); - } - - void usrp_init(void){ - //disable - usrp_rx_enable(false); - usrp_tx_enable(false); - - //toggle resets - usrp_rx_reset(true); - usrp_tx_reset(true); - usrp_rx_reset(false); - usrp_tx_reset(false); - } - - void usrp_load_fpga(std::string filestring) - { - const char *filename = filestring.c_str(); - - size_t hash = generate_hash(filename); - - size_t loaded_hash; usrp_get_fpga_hash(loaded_hash); - - if (hash == loaded_hash) return; - const int ep0_size = 64; - unsigned char buf[ep0_size]; - - if (load_img_msg) UHD_MSG(status) << "Loading FPGA image: " << filestring << "..." << std::flush; - std::ifstream file; - file.open(filename, std::ios::in | std::ios::binary); - if (not file.good()) { - throw uhd::io_error("usrp_load_fpga: cannot open fpga input file"); - } - - usrp_fpga_reset(true); //holding the fpga in reset while loading - - if (usrp_control_write_cmd(VRQ_FPGA_LOAD, 0, FL_BEGIN) < 0) { - throw uhd::io_error("usrp_load_fpga: fpga load error"); - } - - while (not file.eof()) { - file.read((char *)buf, sizeof(buf)); - size_t n = file.gcount(); - if(n == 0) continue; - int ret = usrp_control_write(VRQ_FPGA_LOAD, 0, FL_XFER, buf, n); - if (ret < 0 or size_t(ret) != n) { - throw uhd::io_error("usrp_load_fpga: fpga load error"); - } - } - - if (usrp_control_write_cmd(VRQ_FPGA_LOAD, 0, FL_END) < 0) { - throw uhd::io_error("usrp_load_fpga: fpga load error"); - } - - usrp_set_fpga_hash(hash); - - usrp_fpga_reset(false); //done loading, take fpga out of reset - - file.close(); - if (load_img_msg) UHD_MSG(status) << " done" << std::endl; - } - - void usrp_load_eeprom(std::string filestring) - { - const char *filename = filestring.c_str(); - const boost::uint16_t i2c_addr = 0x50; - - //FIXME: verify types - int len; - unsigned int addr; - unsigned char data[256]; - unsigned char sendbuf[17]; - - std::ifstream file; - file.open(filename, std::ifstream::in); - - if (not file.good()) { - throw uhd::io_error("usrp_load_eeprom: cannot open EEPROM input file"); - } - - file.read((char *)data, 256); - len = file.gcount(); - - if(len == 256) { - throw uhd::io_error("usrp_load_eeprom: image size too large"); - } - - const int pagesize = 16; - addr = 0; - while(len > 0) { - sendbuf[0] = addr; - memcpy(sendbuf+1, &data[addr], len > pagesize ? pagesize : len); - int ret = usrp_i2c_write(i2c_addr, sendbuf, (len > pagesize ? pagesize : len)+1); - if (ret < 0) { - throw uhd::io_error("usrp_load_eeprom: usrp_i2c_write failed"); - } - addr += pagesize; - len -= pagesize; - boost::this_thread::sleep(boost::posix_time::milliseconds(100)); - } - file.close(); - } - - - void usrp_set_led(int led_num, bool on) - { - UHD_ASSERT_THROW(usrp_control_write_cmd(VRQ_SET_LED, on, led_num) >= 0); - } - - - void usrp_get_firmware_hash(size_t &hash) - { - UHD_ASSERT_THROW(usrp_control_read(0xa0, USRP_HASH_SLOT_0_ADDR, 0, - (unsigned char*) &hash, sizeof(size_t)) >= 0); - } - - - void usrp_set_firmware_hash(size_t hash) - { - UHD_ASSERT_THROW(usrp_control_write(0xa0, USRP_HASH_SLOT_0_ADDR, 0, - (unsigned char*) &hash, sizeof(size_t)) >= 0); - - } - - - void usrp_get_fpga_hash(size_t &hash) - { - UHD_ASSERT_THROW(usrp_control_read(0xa0, USRP_HASH_SLOT_1_ADDR, 0, - (unsigned char*) &hash, sizeof(size_t)) >= 0); - } - - - void usrp_set_fpga_hash(size_t hash) - { - UHD_ASSERT_THROW(usrp_control_write(0xa0, USRP_HASH_SLOT_1_ADDR, 0, - (unsigned char*) &hash, sizeof(size_t)) >= 0); - } - - void usrp_tx_enable(bool on) - { - UHD_ASSERT_THROW(usrp_control_write_cmd(VRQ_FPGA_SET_TX_ENABLE, on, 0) >= 0); - } - - - void usrp_rx_enable(bool on) - { - UHD_ASSERT_THROW(usrp_control_write_cmd(VRQ_FPGA_SET_RX_ENABLE, on, 0) >= 0); - } - - - void usrp_tx_reset(bool on) - { - UHD_ASSERT_THROW(usrp_control_write_cmd(VRQ_FPGA_SET_TX_RESET, on, 0) >= 0); - } - - - void usrp_rx_reset(bool on) - { - UHD_ASSERT_THROW(usrp_control_write_cmd(VRQ_FPGA_SET_RX_RESET, on, 0) >= 0); - } - - void usrp_fpga_reset(bool on) - { - UHD_ASSERT_THROW(usrp_control_write_cmd(VRQ_FPGA_SET_RESET, on, 0) >= 0); - } - - int usrp_control_write(boost::uint8_t request, - boost::uint16_t value, - boost::uint16_t index, - unsigned char *buff, - boost::uint16_t length) - { - return _ctrl_transport->submit(VRT_VENDOR_OUT, // bmReqeustType - request, // bRequest - value, // wValue - index, // wIndex - buff, // data - length); // wLength - } - - - int usrp_control_read(boost::uint8_t request, - boost::uint16_t value, - boost::uint16_t index, - unsigned char *buff, - boost::uint16_t length) - { - return _ctrl_transport->submit(VRT_VENDOR_IN, // bmReqeustType - request, // bRequest - value, // wValue - index, // wIndex - buff, // data - length); // wLength - } - - - int usrp_control_write_cmd(boost::uint8_t request, boost::uint16_t value, boost::uint16_t index) - { - return usrp_control_write(request, value, index, 0, 0); - } - - int usrp_i2c_write(boost::uint16_t i2c_addr, unsigned char *buf, boost::uint16_t len) - { - return usrp_control_write(VRQ_I2C_WRITE, i2c_addr, 0, buf, len); - } - - int usrp_i2c_read(boost::uint16_t i2c_addr, unsigned char *buf, boost::uint16_t len) - { - return usrp_control_read(VRQ_I2C_READ, i2c_addr, 0, buf, len); - } - - - -private: - uhd::transport::usb_control::sptr _ctrl_transport; -}; - -/*********************************************************************** - * Public make function for usrp_ctrl interface - **********************************************************************/ -usrp_ctrl::sptr usrp_ctrl::make(uhd::transport::usb_control::sptr ctrl_transport){ - return sptr(new usrp_ctrl_impl(ctrl_transport)); -} - |