/**

* Copyright (c) 2011-2022 Bill Greiman

* This file is part of the SdFat library for SD memory cards.

*

* MIT License

*

* Permission is hereby granted, free of charge, to any person obtaining a

* copy of this software and associated documentation files (the "Software"),

* to deal in the Software without restriction, including without limitation

* the rights to use, copy, modify, merge, publish, distribute, sublicense,

* and/or sell copies of the Software, and to permit persons to whom the

* Software is furnished to do so, subject to the following conditions:

*

* The above copyright notice and this permission notice shall be included

* in all copies or substantial portions of the Software.

*

* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS

* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,

* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE

* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER

* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING

* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER

* DEALINGS IN THE SOFTWARE.

*/

#include "SdSpiDriver.h"

#if defined(SD_USE_CUSTOM_SPI) && defined(PLATFORM_ID)

static volatile bool SPI_DMA_TransferCompleted = false;

//-----------------------------------------------------------------------------

static void SD_SPI_DMA_TransferComplete_Callback() {

SPI_DMA_TransferCompleted = true;

}

//------------------------------------------------------------------------------

void SdSpiArduinoDriver::activate() {

m_spi->beginTransaction(m_spiSettings);

}

//------------------------------------------------------------------------------

void SdSpiArduinoDriver::begin(SdSpiConfig spiConfig) {

if (spiConfig.spiPort) {

m_spi = spiConfig.spiPort;

} else {

m_spi = &SPI;

}

m_spi->begin();

}

//------------------------------------------------------------------------------

void SdSpiArduinoDriver::deactivate() {

m_spi->endTransaction();

}

//------------------------------------------------------------------------------

void SdSpiArduinoDriver::end() {

m_spi->end();

}

//------------------------------------------------------------------------------

uint8_t SdSpiArduinoDriver::receive() {

return m_spi->transfer(0XFF);

}

//------------------------------------------------------------------------------

uint8_t SdSpiArduinoDriver::receive(uint8_t* buf, size_t count) {

SPI_DMA_TransferCompleted = false;

m_spi->transfer(nullptr, buf, count, SD_SPI_DMA_TransferComplete_Callback);

while (!SPI_DMA_TransferCompleted) {}

return 0;

}

//------------------------------------------------------------------------------

void SdSpiArduinoDriver::send(uint8_t data) {

m_spi->transfer(data);

}

//------------------------------------------------------------------------------

void SdSpiArduinoDriver::send(const uint8_t* buf , size_t count) {

SPI_DMA_TransferCompleted = false;

m_spi->transfer(const_cast<uint8_t*>(buf), nullptr, count,

SD_SPI_DMA_TransferComplete_Callback);

while (!SPI_DMA_TransferCompleted) {}

}

#endif // defined(SD_USE_CUSTOM_SPI) && defined(PLATFORM_ID)