mirror of
https://github.com/saymrwulf/uhd.git
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967be2a4e8
Applying formatting changes to all .cpp and .hpp files in the following
directories:
```
find host/examples/ -iname *.hpp -o -iname *.cpp | \
xargs clang-format -i -style=file
find host/tests/ -iname *.hpp -o -iname *.cpp | \
xargs clang-format -i -style=file
find host/lib/usrp/dboard/neon/ -iname *.hpp -o -iname *.cpp | \
xargs clang-format -i -style=file
find host/lib/usrp/dboard/magnesium/ -iname *.hpp -o -iname *.cpp | \
xargs clang-format -i -style=file
find host/lib/usrp/device3/ -iname *.hpp -o -iname *.cpp | \
xargs clang-format -i -style=file
find host/lib/usrp/mpmd/ -iname *.hpp -o -iname *.cpp | \
xargs clang-format -i -style=file
find host/lib/usrp/x300/ -iname *.hpp -o -iname *.cpp | \
xargs clang-format -i -style=file
find host/utils/ -iname *.hpp -o -iname *.cpp | \
xargs clang-format -i -style=file
find mpm/ -iname *.hpp -o -iname *.cpp | \
xargs clang-format -i -style=file
```
Also formatted host/include/, except Cpp03 was used as a the language
standard instead of Cpp11.
```
sed -i 's/ Cpp11/ Cpp03/g' .clang-format
find host/include/ -iname *.hpp -o -iname *.cpp | \
xargs clang-format -i -style=file
```
Formatting style was designated by the .clang-format file.
97 lines
2.8 KiB
C++
97 lines
2.8 KiB
C++
//
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// Copyright 2017 Ettus Research, a National Instruments Company
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//
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// SPDX-License-Identifier: GPL-3.0-or-later
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//
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#include <mpm/exception.hpp>
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#include <mpm/spi/spi_iface.hpp>
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extern "C" {
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#include "spidev.h"
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}
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#include <fcntl.h>
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#include <linux/spi/spidev.h>
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#include <boost/format.hpp>
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#include <iostream>
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using namespace mpm::spi;
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/******************************************************************************
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* Implementation
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*****************************************************************************/
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class spidev_iface_impl : public spi_iface
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{
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public:
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spidev_iface_impl(
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const std::string& device, const int max_speed_hz, const int spi_mode)
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: _speed(max_speed_hz), _mode(spi_mode)
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{
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if (init_spi(&_fd, device.c_str(), _mode, _speed, _bits, _delay) < 0) {
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throw mpm::runtime_error(
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str(boost::format("Could not initialize spidev device %s") % device));
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}
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if (_fd < 0) {
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throw mpm::runtime_error(
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str(boost::format("Could not open spidev device %s") % device));
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}
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}
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~spidev_iface_impl()
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{
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close(_fd);
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}
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uint32_t transfer24_8(const uint32_t data_)
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{
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int ret(0);
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uint32_t data = data_;
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uint8_t* tx_data = reinterpret_cast<uint8_t*>(&data);
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// Create tx and rx buffers:
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uint8_t tx[] = {tx_data[2], tx_data[1], tx_data[0]}; // FIXME guarantee endianness
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uint8_t rx[3]; // Buffer length must match tx buffer
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if (transfer(_fd, &tx[0], &rx[0], 3, _speed, _bits, _delay) != 0) {
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throw mpm::runtime_error(str(boost::format("SPI Transaction failed!")));
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}
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return uint32_t(rx[2]);
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}
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uint32_t transfer24_16(const uint32_t data_)
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{
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int ret(0);
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uint32_t data = data_;
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uint8_t* tx_data = reinterpret_cast<uint8_t*>(&data);
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// Create tx and rx buffers:
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uint8_t tx[] = {tx_data[2], tx_data[1], tx_data[0]}; // FIXME guarantee endianness
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uint8_t rx[3]; // Buffer length must match tx buffer
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if (transfer(_fd, &tx[0], &rx[0], 3, _speed, _bits, _delay) != 0) {
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throw mpm::runtime_error(str(boost::format("SPI Transaction failed!")));
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}
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return uint32_t(rx[1] << 8 | rx[2]);
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}
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private:
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int _fd;
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const uint32_t _mode;
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uint32_t _speed = 2000000;
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uint8_t _bits = 8;
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uint16_t _delay = 0;
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};
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/******************************************************************************
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* Factory
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*****************************************************************************/
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spi_iface::sptr spi_iface::make_spidev(
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const std::string& device, const int speed_hz, const int spi_mode)
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{
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return std::make_shared<spidev_iface_impl>(device, speed_hz, spi_mode);
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}
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