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//
// Copyright 2010 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.hpp>
#include "dboard_interface.hpp"
#include "fw_common.h"
/***********************************************************************
* Structors
**********************************************************************/
dboard_interface::dboard_interface(impl_base *impl){
_impl = impl;
}
dboard_interface::~dboard_interface(void){
/* NOP */
}
/***********************************************************************
* Clock Rates
**********************************************************************/
double dboard_interface::get_rx_clock_rate(void){
return _impl->get_master_clock_freq();
}
double dboard_interface::get_tx_clock_rate(void){
return _impl->get_master_clock_freq();
}
/***********************************************************************
* GPIO
**********************************************************************/
/*!
* Static function to convert a gpio bank enum
* to an over-the-wire value for the usrp2 control.
* \param bank the dboard interface gpio bank enum
* \return an over the wire representation
*/
static uint8_t gpio_bank_to_otw(uhd::usrp::dboard::interface::gpio_bank_t bank){
switch(bank){
case uhd::usrp::dboard::interface::GPIO_TX_BANK: return USRP2_DIR_TX;
case uhd::usrp::dboard::interface::GPIO_RX_BANK: return USRP2_DIR_RX;
}
throw std::invalid_argument("unknown gpio bank type");
}
void dboard_interface::set_gpio_ddr(gpio_bank_t bank, uint16_t value, uint16_t mask){
//setup the out data
usrp2_ctrl_data_t out_data;
out_data.id = htonl(USRP2_CTRL_ID_USE_THESE_GPIO_DDR_SETTINGS_BRO);
out_data.data.gpio_config.bank = gpio_bank_to_otw(bank);
out_data.data.gpio_config.value = htons(value);
out_data.data.gpio_config.mask = htons(mask);
//send and recv
usrp2_ctrl_data_t in_data = _impl->ctrl_send_and_recv(out_data);
ASSERT_THROW(htonl(in_data.id) == USRP2_CTRL_ID_GOT_THE_GPIO_DDR_SETTINGS_DUDE);
}
void dboard_interface::write_gpio(gpio_bank_t bank, uint16_t value, uint16_t mask){
//setup the out data
usrp2_ctrl_data_t out_data;
out_data.id = htonl(USRP2_CTRL_ID_SET_YOUR_GPIO_PIN_OUTS_BRO);
out_data.data.gpio_config.bank = gpio_bank_to_otw(bank);
out_data.data.gpio_config.value = htons(value);
out_data.data.gpio_config.mask = htons(mask);
//send and recv
usrp2_ctrl_data_t in_data = _impl->ctrl_send_and_recv(out_data);
ASSERT_THROW(htonl(in_data.id) == USRP2_CTRL_ID_I_SET_THE_GPIO_PIN_OUTS_DUDE);
}
uint16_t dboard_interface::read_gpio(gpio_bank_t bank){
//setup the out data
usrp2_ctrl_data_t out_data;
out_data.id = htonl(USRP2_CTRL_ID_GIVE_ME_YOUR_GPIO_PIN_VALS_BRO);
out_data.data.gpio_config.bank = gpio_bank_to_otw(bank);
//send and recv
usrp2_ctrl_data_t in_data = _impl->ctrl_send_and_recv(out_data);
ASSERT_THROW(htonl(in_data.id) == USRP2_CTRL_ID_HERE_IS_YOUR_GPIO_PIN_VALS_DUDE);
return ntohs(in_data.data.gpio_config.value);
}
void dboard_interface::set_atr_reg(gpio_bank_t bank, uint16_t tx_value, uint16_t rx_value, uint16_t mask){
//setup the out data
usrp2_ctrl_data_t out_data;
out_data.id = htonl(USRP2_CTRL_ID_USE_THESE_ATR_SETTINGS_BRO);
out_data.data.atr_config.bank = gpio_bank_to_otw(bank);
out_data.data.atr_config.tx_value = htons(tx_value);
out_data.data.atr_config.rx_value = htons(rx_value);
out_data.data.atr_config.mask = htons(mask);
//send and recv
usrp2_ctrl_data_t in_data = _impl->ctrl_send_and_recv(out_data);
ASSERT_THROW(htonl(in_data.id) == USRP2_CTRL_ID_GOT_THE_ATR_SETTINGS_DUDE);
}
/***********************************************************************
* SPI
**********************************************************************/
/*!
* Static function to convert a spi dev enum
* to an over-the-wire value for the usrp2 control.
* \param dev the dboard interface spi dev enum
* \return an over the wire representation
*/
static uint8_t spi_dev_to_otw(uhd::usrp::dboard::interface::spi_dev_t dev){
switch(dev){
case uhd::usrp::dboard::interface::SPI_TX_DEV: return USRP2_DIR_TX;
case uhd::usrp::dboard::interface::SPI_RX_DEV: return USRP2_DIR_RX;
}
throw std::invalid_argument("unknown spi device type");
}
/*!
* Static function to convert a spi latch enum
* to an over-the-wire value for the usrp2 control.
* \param latch the dboard interface spi latch enum
* \return an over the wire representation
*/
static uint8_t spi_latch_to_otw(uhd::usrp::dboard::interface::spi_latch_t latch){
switch(latch){
case uhd::usrp::dboard::interface::SPI_LATCH_RISE: return USRP2_CLK_EDGE_RISE;
case uhd::usrp::dboard::interface::SPI_LATCH_FALL: return USRP2_CLK_EDGE_FALL;
}
throw std::invalid_argument("unknown spi latch type");
}
/*!
* Static function to convert a spi push enum
* to an over-the-wire value for the usrp2 control.
* \param push the dboard interface spi push enum
* \return an over the wire representation
*/
static uint8_t spi_push_to_otw(uhd::usrp::dboard::interface::spi_push_t push){
switch(push){
case uhd::usrp::dboard::interface::SPI_PUSH_RISE: return USRP2_CLK_EDGE_RISE;
case uhd::usrp::dboard::interface::SPI_PUSH_FALL: return USRP2_CLK_EDGE_FALL;
}
throw std::invalid_argument("unknown spi push type");
}
uhd::usrp::dboard::interface::byte_vector_t dboard_interface::transact_spi(
spi_dev_t dev,
spi_latch_t latch,
spi_push_t push,
const byte_vector_t &buf,
bool readback
){
//setup the out data
usrp2_ctrl_data_t out_data;
out_data.id = htonl(USRP2_CTRL_ID_TRANSACT_ME_SOME_SPI_BRO);
out_data.data.spi_args.dev = spi_dev_to_otw(dev);
out_data.data.spi_args.latch = spi_latch_to_otw(latch);
out_data.data.spi_args.push = spi_push_to_otw(push);
out_data.data.spi_args.readback = (readback)? 1 : 0;
out_data.data.spi_args.bytes = buf.size();
//limitation of spi transaction size
ASSERT_THROW(buf.size() <= sizeof(out_data.data.spi_args.data));
//copy in the data
for (size_t i = 0; i < buf.size(); i++){
out_data.data.spi_args.data[i] = buf[i];
}
//send and recv
usrp2_ctrl_data_t in_data = _impl->ctrl_send_and_recv(out_data);
ASSERT_THROW(htonl(in_data.id) == USRP2_CTRL_ID_OMG_TRANSACTED_SPI_DUDE);
ASSERT_THROW(in_data.data.spi_args.bytes == buf.size());
//copy out the data
byte_vector_t result;
for (size_t i = 0; i < buf.size(); i++){
result.push_back(in_data.data.spi_args.data[i]);
}
return result;
}
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