+++ /dev/null
-/* -*- c++ -*- */
-/*
- * Copyright 2007,2008 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 this program; if not, write to the Free Software Foundation, Inc.,
- * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
- */
-
-#ifdef HAVE_CONFIG_H
-#include <config.h>
-#endif
-
-#include <iostream>
-#include <vector>
-#include <usb.h>
-#include <mblock/class_registry.h>
-#include <usrp_tx_stub.h>
-#include <usrp_inband_usb_packet.h>
-#include <fpga_regs_common.h>
-#include "usrp_standard.h"
-#include <stdio.h>
-#include <fstream>
-#include <usrp_rx_stub.h>
-
-#include <symbols_usrp_tx_cs.h>
-
-typedef usrp_inband_usb_packet transport_pkt;
-
-static const bool verbose = false;
-
-usrp_tx_stub::usrp_tx_stub(mb_runtime *rt, const std::string &instance_name, pmt_t user_arg)
- : mb_mblock(rt, instance_name, user_arg),
- d_disk_write(false)
-{
- d_cs = define_port("cs", "usrp-tx-cs", true, mb_port::EXTERNAL);
-
- //d_disk_write=true;
-
- if(d_disk_write) {
- d_ofile.open("tx_stub_data.dat",std::ios::binary|std::ios::out);
- d_cs_ofile.open("tx_stub_cs.dat",std::ios::binary|std::ios::out);
- }
-}
-
-usrp_tx_stub::~usrp_tx_stub()
-{
- if(d_disk_write) {
- d_ofile.close();
- d_cs_ofile.close();
- }
-}
-
-void
-usrp_tx_stub::initial_transition()
-{
-
-}
-
-void
-usrp_tx_stub::handle_message(mb_message_sptr msg)
-{
- pmt_t event = msg->signal();
- pmt_t port_id = msg->port_id();
- pmt_t data = msg->data();
-
- // Theoretically only have 1 message to ever expect, but
- // want to make sure its at least what we want
- if(pmt_eq(port_id, d_cs->port_symbol())) {
-
- if(pmt_eqv(event, s_cmd_usrp_tx_write))
- write(data);
- }
-}
-
-void
-usrp_tx_stub::write(pmt_t data)
-{
- pmt_t invocation_handle = pmt_nth(0, data);
- pmt_t channel = pmt_nth(1, data);
- pmt_t v_packets = pmt_nth(2, data);
- d_utx = boost::any_cast<usrp_standard_tx *>(pmt_any_ref(pmt_nth(3, data)));
-
- size_t n_bytes;
-
- transport_pkt *pkts = (transport_pkt *) pmt_u8vector_writable_elements(v_packets, n_bytes);
- long n_packets = static_cast<long>(std::ceil(n_bytes / (double)transport_pkt::max_pkt_size()));
-
- // Parse the packets looking for C/S packets and dump them to a disk if
- // necessary
- for(long i=0; i<n_packets; i++) {
-
- if(d_disk_write) {
- if(pkts[i].chan() == CONTROL_CHAN)
- d_cs_ofile.write((const char *)&pkts[i], transport_pkt::max_pkt_size());
- else
- d_ofile.write((const char *)&pkts[i], transport_pkt::max_pkt_size());
-
- d_cs_ofile.flush();
- d_ofile.flush();
- }
-
- if(pkts[i].chan() == CONTROL_CHAN)
- parse_cs(invocation_handle, pkts[i]);
- }
-
- d_cs->send(s_response_usrp_tx_write,
- pmt_list3(invocation_handle, PMT_T, channel));
-
- return;
-}
-
-void
-usrp_tx_stub::parse_cs(pmt_t invocation_handle, transport_pkt pkt)
-{
-
- long payload_len = pkt.payload_len();
- long curr_payload = 0;
-
- size_t ignore;
-
- // There is the possibility that the responses for a single USB packet full of
- // CS packets will not fit back in a single USB packet, considering some
- // responses are greater than their commands (read registers).
- new_packet:
- pmt_t v_pkt = pmt_make_u8vector(sizeof(transport_pkt), 0);
-
- transport_pkt *q_pkt =
- (transport_pkt *) pmt_u8vector_writable_elements(v_pkt, ignore);
-
- q_pkt->set_header(0, CONTROL_CHAN, 0, 0);
- q_pkt->set_timestamp(0xffffffff);
-
- // We dispatch based on the control packet type, however we can extract the
- // opcode and the length immediately which is consistent in all responses.
- //
- // Since each control packet can have multiple responses, we keep reading the
- // lengths of each subpacket until we reach the payload length.
- while(curr_payload < payload_len) {
-
- pmt_t sub_packet = pkt.read_subpacket(curr_payload);
- pmt_t op_symbol = pmt_nth(0, sub_packet);
-
- int len = pkt.cs_len(curr_payload);
-
- if(verbose)
- std::cout << "[USRP_TX_STUB] Parsing subpacket "
- << op_symbol << " ... length " << len << std::endl;
-
- //----------------- PING FIXED ------------------//
- if(pmt_eq(op_symbol, s_op_ping_fixed)) {
-
- long rid = pmt_to_long(pmt_nth(1, sub_packet));
- long pingval = pmt_to_long(pmt_nth(2, sub_packet));
-
- // Generate a reply and put it in the queue for the RX stub to read
- if(!q_pkt->cs_ping_reply(rid, pingval))
- goto new_packet;
-
- if(verbose)
- std::cout << "[USRP_TX_STUB] Generated ping response "
- << "("
- << "RID: " << rid << ", "
- << "VAL: " << pingval
- << ")\n";
- }
-
- //----------------- READ REG ------------------//
- if(pmt_eq(op_symbol, s_op_read_reg)) {
-
- long rid = pmt_to_long(pmt_nth(1, sub_packet));
- long reg_num = pmt_to_long(pmt_nth(2, sub_packet));
- long reg_val = 0xdeef;
-
- // Generate a reply and put it in the queue for the RX stub to read
- if(!q_pkt->cs_read_reg_reply(rid, reg_num, reg_val))
- goto new_packet;
-
- if(verbose)
- std::cout << "[USRP_TX_STUB] Generated read register response "
- << "("
- << "RID: " << rid << ", "
- << "REG: " << reg_num << ", "
- << "VAL: " << reg_val
- << ")\n";
- }
-
- //----------------- DELAY ------------------//
- if(pmt_eq(op_symbol, s_op_delay)) {
-
- long ticks = pmt_to_long(pmt_nth(1, sub_packet));
-
- if(verbose)
- std::cout << "[USRP_TX_STUB] Received delay command "
- << "("
- << "Ticks: " << ticks
- << ")\n";
- }
-
- //----------------- WRITE REG ------------------//
- if(pmt_eq(op_symbol, s_op_write_reg)) {
-
- pmt_t reg_num = pmt_nth(1, sub_packet);
- pmt_t reg_val = pmt_nth(2, sub_packet);
-
- if(verbose)
- std::cout << "[USRP_TX_STUB] Received write register command "
- << "("
- << "RegNum: " << reg_num << ", "
- << "Val: " << reg_val
- << ")\n";
- }
-
- //----------------- WRITE REG MASK ---------------//
- if(pmt_eq(op_symbol, s_op_write_reg_masked)) {
-
- pmt_t reg_num = pmt_nth(1, sub_packet);
- pmt_t reg_val = pmt_nth(2, sub_packet);
- pmt_t mask = pmt_nth(3, sub_packet);
-
- if(verbose)
- std::cout << "[USRP_TX_STUB] Received write register command "
- << "("
- << "RegNum: " << reg_num << ", "
- << "Val: " << reg_val << ", "
- << "Mask: " << mask
- << ")\n";
- }
-
- //---------------- I2C WRITE ------------------//
- if(pmt_eq(op_symbol, s_op_i2c_write)) {
- pmt_t i2c_addr = pmt_nth(1, sub_packet);
- pmt_t i2c_data = pmt_nth(2, sub_packet);
-
- if(verbose)
- std::cout << "[USRP_TX_STUB] Received i2c write command "
- << "("
- << "Addr: " << i2c_addr << ", "
- << "Data: " << i2c_data
- << ")\n";
- }
-
- //---------------- I2C READ ------------------//
- if(pmt_eq(op_symbol, s_op_i2c_read)) {
- long rid = pmt_to_long(pmt_nth(1, sub_packet));
- long i2c_addr = pmt_to_long(pmt_nth(2, sub_packet));
- long i2c_bytes = pmt_to_long(pmt_nth(3, sub_packet));
-
- // Create data to place as a response, filled with 0xff
- size_t ignore;
- pmt_t i2c_data = pmt_make_u8vector(i2c_bytes, 0xff);
- uint8_t *w_data = (uint8_t *) pmt_u8vector_writable_elements(i2c_data, ignore);
-
- // Generate a reply and put it in the queue for the RX stub to read
- if(!q_pkt->cs_i2c_read_reply(rid, i2c_addr, w_data, i2c_bytes))
- goto new_packet;
-
- if(verbose)
- std::cout << "[USRP_TX_STUB] Received i2c read "
- << "("
- << "RID: " << rid << ", "
- << "Addr: " << i2c_addr << ", "
- << "Bytes: " << i2c_bytes
- << ")\n";
- }
-
- //---------------- SPI WRITE ------------------//
- if(pmt_eq(op_symbol, s_op_spi_write)) {
- long enables = pmt_to_long(pmt_nth(1, sub_packet));
- long format = pmt_to_long(pmt_nth(2, sub_packet));
- long opt = pmt_to_long(pmt_nth(3, sub_packet));
- pmt_t data = pmt_nth(4, sub_packet);
-
- if(verbose)
- std::cout << "[USRP_TX_STUB] Received spi write command "
- << "("
- << "Enables: " << enables << ", "
- << "Format: " << format << ", "
- << "Options: " << opt << ", "
- << "Data: " << data
- << ")\n";
- }
-
- //---------------- SPI READ ------------------//
- if(pmt_eq(op_symbol, s_op_spi_read)) {
- long rid = pmt_to_long(pmt_nth(1, sub_packet));
- long enables = pmt_to_long(pmt_nth(2, sub_packet));
- long format = pmt_to_long(pmt_nth(3, sub_packet));
- long opt = pmt_to_long(pmt_nth(4, sub_packet));
- long n_bytes = pmt_to_long(pmt_nth(5, sub_packet));
-
- // Create data to place as a fake response
- size_t ignore;
- pmt_t spi_data = pmt_make_u8vector(n_bytes, 0xff);
- uint8_t *w_data = (uint8_t *) pmt_u8vector_writable_elements(spi_data, ignore);
-
- // Generate a reply and put it in the queue for the RX stub to read
- if(!q_pkt->cs_spi_read_reply(rid, w_data, n_bytes))
- goto new_packet;
-
- if(verbose)
- std::cout << "[USRP_TX_STUB] Received spi read command "
- << "("
- << "RID: " << rid << ", "
- << "Enables: " << enables << ", "
- << "Format: " << format << ", "
- << "Options: " << opt << ", "
- << "Bytes: " << n_bytes
- << ")\n";
-
- }
-
- // Each subpacket has an unaccounted for 2 bytes which is the opcode
- // and the length field
- curr_payload += len + 2;
-
- // All subpackets are 32-bit aligned
- int align_offset = 4 - (curr_payload % 4);
-
- if(align_offset != 4)
- curr_payload += align_offset;
-
- }
-
- // If the packet has data in the payload, it needs queued
- if(q_pkt->payload_len() > 0)
- d_cs_queue.push(pmt_list2(invocation_handle, v_pkt));
-
- return;
-}
-
-REGISTER_MBLOCK_CLASS(usrp_tx_stub);
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