110 lines
4.2 KiB
C++
110 lines
4.2 KiB
C++
#include "SpiCookie.h"
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SpiCookie::SpiCookie(address_t spiAddress, gpioId_t chipSelect, std::string spiDev,
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const size_t maxSize, spi::SpiModes spiMode, uint32_t spiSpeed)
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: SpiCookie(spi::SpiComIfModes::REGULAR, spiAddress, chipSelect, spiDev, maxSize, spiMode,
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spiSpeed, nullptr, nullptr) {}
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SpiCookie::SpiCookie(address_t spiAddress, std::string spiDev, const size_t maxSize,
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spi::SpiModes spiMode, uint32_t spiSpeed)
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: SpiCookie(spiAddress, gpio::NO_GPIO, spiDev, maxSize, spiMode, spiSpeed) {}
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SpiCookie::SpiCookie(address_t spiAddress, gpioId_t chipSelect, std::string spiDev,
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const size_t maxSize, spi::SpiModes spiMode, uint32_t spiSpeed,
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spi::send_callback_function_t callback, void* args)
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: SpiCookie(spi::SpiComIfModes::CALLBACK, spiAddress, chipSelect, spiDev, maxSize, spiMode,
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spiSpeed, callback, args) {}
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SpiCookie::SpiCookie(spi::SpiComIfModes comIfMode, address_t spiAddress, gpioId_t chipSelect,
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std::string spiDev, const size_t maxSize, spi::SpiModes spiMode,
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uint32_t spiSpeed, spi::send_callback_function_t callback, void* args)
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: spiAddress(spiAddress),
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chipSelectPin(chipSelect),
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spiDevice(spiDev),
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comIfMode(comIfMode),
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maxSize(maxSize),
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spiMode(spiMode),
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spiSpeed(spiSpeed),
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sendCallback(callback),
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callbackArgs(args) {}
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spi::SpiComIfModes SpiCookie::getComIfMode() const { return this->comIfMode; }
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void SpiCookie::getSpiParameters(spi::SpiModes& spiMode, uint32_t& spiSpeed,
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UncommonParameters* parameters) const {
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spiMode = this->spiMode;
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spiSpeed = this->spiSpeed;
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if (parameters != nullptr) {
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parameters->threeWireSpi = uncommonParameters.threeWireSpi;
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parameters->lsbFirst = uncommonParameters.lsbFirst;
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parameters->noCs = uncommonParameters.noCs;
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parameters->bitsPerWord = uncommonParameters.bitsPerWord;
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parameters->csHigh = uncommonParameters.csHigh;
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}
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}
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gpioId_t SpiCookie::getChipSelectPin() const { return chipSelectPin; }
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size_t SpiCookie::getMaxBufferSize() const { return maxSize; }
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address_t SpiCookie::getSpiAddress() const { return spiAddress; }
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std::string SpiCookie::getSpiDevice() const { return spiDevice; }
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void SpiCookie::setThreeWireSpi(bool enable) { uncommonParameters.threeWireSpi = enable; }
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void SpiCookie::setLsbFirst(bool enable) { uncommonParameters.lsbFirst = enable; }
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void SpiCookie::setNoCs(bool enable) { uncommonParameters.noCs = enable; }
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void SpiCookie::setBitsPerWord(uint8_t bitsPerWord) {
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uncommonParameters.bitsPerWord = bitsPerWord;
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}
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void SpiCookie::setCsHigh(bool enable) { uncommonParameters.csHigh = enable; }
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void SpiCookie::activateCsDeselect(bool deselectCs, uint16_t delayUsecs) {
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spiTransferStruct.cs_change = deselectCs;
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spiTransferStruct.delay_usecs = delayUsecs;
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}
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void SpiCookie::assignReadBuffer(uint8_t* rx) {
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if (rx != nullptr) {
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spiTransferStruct.rx_buf = reinterpret_cast<__u64>(rx);
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}
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}
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void SpiCookie::assignWriteBuffer(const uint8_t* tx) {
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if (tx != nullptr) {
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spiTransferStruct.tx_buf = reinterpret_cast<__u64>(tx);
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}
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}
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void SpiCookie::setCallbackMode(spi::send_callback_function_t callback, void* args) {
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this->comIfMode = spi::SpiComIfModes::CALLBACK;
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this->sendCallback = callback;
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this->callbackArgs = args;
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}
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void SpiCookie::setCallbackArgs(void* args) { this->callbackArgs = args; }
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spi_ioc_transfer* SpiCookie::getTransferStructHandle() { return &spiTransferStruct; }
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void SpiCookie::setFullOrHalfDuplex(bool halfDuplex) { this->halfDuplex = halfDuplex; }
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bool SpiCookie::isFullDuplex() const { return not this->halfDuplex; }
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void SpiCookie::setTransferSize(size_t transferSize) { spiTransferStruct.len = transferSize; }
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size_t SpiCookie::getCurrentTransferSize() const { return spiTransferStruct.len; }
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void SpiCookie::setSpiSpeed(uint32_t newSpeed) { this->spiSpeed = newSpeed; }
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void SpiCookie::setSpiMode(spi::SpiModes newMode) { this->spiMode = newMode; }
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void SpiCookie::getCallback(spi::send_callback_function_t* callback, void** args) {
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*callback = this->sendCallback;
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*args = this->callbackArgs;
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}
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