145 lines
4.2 KiB
C++
145 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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}
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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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}
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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,
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spiMode, spiSpeed, callback, args) {
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}
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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, uint32_t spiSpeed,
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spi::send_callback_function_t callback, void* args):
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spiAddress(spiAddress), chipSelectPin(chipSelect), spiDevice(spiDev),
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comIfMode(comIfMode), maxSize(maxSize), spiMode(spiMode), spiSpeed(spiSpeed),
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sendCallback(callback), callbackArgs(args) {
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}
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spi::SpiComIfModes SpiCookie::getComIfMode() const {
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return this->comIfMode;
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}
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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 {
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return chipSelectPin;
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}
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size_t SpiCookie::getMaxBufferSize() const {
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return maxSize;
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}
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address_t SpiCookie::getSpiAddress() const {
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return spiAddress;
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}
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std::string SpiCookie::getSpiDevice() const {
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return spiDevice;
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}
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void SpiCookie::setThreeWireSpi(bool enable) {
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uncommonParameters.threeWireSpi = enable;
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}
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void SpiCookie::setLsbFirst(bool enable) {
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uncommonParameters.lsbFirst = enable;
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}
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void SpiCookie::setNoCs(bool enable) {
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uncommonParameters.noCs = enable;
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}
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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) {
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uncommonParameters.csHigh = enable;
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}
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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,
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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) {
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this->callbackArgs = args;
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}
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spi_ioc_transfer* SpiCookie::getTransferStructHandle() {
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return &spiTransferStruct;
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}
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void SpiCookie::setFullOrHalfDuplex(bool halfDuplex) {
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this->halfDuplex = halfDuplex;
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}
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bool SpiCookie::isFullDuplex() const {
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return not this->halfDuplex;
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}
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void SpiCookie::assignTransferSize(size_t transferSize) {
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spiTransferStruct.len = transferSize;
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}
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size_t SpiCookie::getCurrentTransferSize() const {
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return spiTransferStruct.len;
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}
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void SpiCookie::setSpiSpeed(uint32_t newSpeed) {
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this->spiSpeed = newSpeed;
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}
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void SpiCookie::setSpiMode(spi::SpiModes newMode) {
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this->spiMode = newMode;
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}
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void SpiCookie::getCallback(spi::send_callback_function_t *callback,
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void **args) {
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*callback = this->sendCallback;
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*args = this->callbackArgs;
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}
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