fsfw/hal/src/fsfw_hal/stm32h7/spi/SpiComIF.cpp

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#include "fsfw-hal/stm32h7/spi/SpiComIF.h"
#include "fsfw-hal/stm32h7/spi/SpiCookie.h"
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#include "fsfw/tasks/SemaphoreFactory.h"
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#include "fsfw-hal/stm32h7/spi/spiCore.h"
#include "fsfw-hal/stm32h7/spi/spiInterrupts.h"
#include "fsfw-hal/stm32h7/spi/mspInit.h"
#include "fsfw-hal/stm32h7/gpio/gpio.h"
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// FreeRTOS required special Semaphore handling from an ISR. Therefore, we use the concrete
// instance here, because RTEMS and FreeRTOS are the only relevant OSALs currently
// and it is not trivial to add a releaseFromISR to the SemaphoreIF
#if defined FSFW_OSAL_RTEMS
#include "fsfw/osal/rtems/BinarySemaphore.h"
#elif defined FSFW_OSAL_FREERTOS
#include "fsfw/osal/freertos/TaskManagement.h"
#include "fsfw/osal/freertos/BinarySemaphore.h"
#endif
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#include "stm32h7xx_hal_gpio.h"
SpiComIF::SpiComIF(object_id_t objectId): SystemObject(objectId) {
void* irqArgsVoided = reinterpret_cast<void*>(&irqArgs);
spi::assignTransferRxTxCompleteCallback(&spiTransferCompleteCallback, irqArgsVoided);
spi::assignTransferRxCompleteCallback(&spiTransferRxCompleteCallback, irqArgsVoided);
spi::assignTransferTxCompleteCallback(&spiTransferTxCompleteCallback, irqArgsVoided);
spi::assignTransferErrorCallback(&spiTransferErrorCallback, irqArgsVoided);
}
void SpiComIF::configureCacheMaintenanceOnTxBuffer(bool enable) {
this->cacheMaintenanceOnTxBuffer = enable;
}
void SpiComIF::addDmaHandles(DMA_HandleTypeDef *txHandle, DMA_HandleTypeDef *rxHandle) {
spi::setDmaHandles(txHandle, rxHandle);
}
ReturnValue_t SpiComIF::initialize() {
return HasReturnvaluesIF::RETURN_OK;
}
ReturnValue_t SpiComIF::initializeInterface(CookieIF *cookie) {
SpiCookie* spiCookie = dynamic_cast<SpiCookie*>(cookie);
if(spiCookie == nullptr) {
#if FSFW_CPP_OSTREAM_ENABLED == 1
sif::error < "SpiComIF::initializeInterface: Invalid cookie" << std::endl;
#else
sif::printError("SpiComIF::initializeInterface: Invalid cookie\n");
#endif
return NULLPOINTER;
}
auto transferMode = spiCookie->getTransferMode();
if(transferMode == spi::TransferModes::DMA) {
DMA_HandleTypeDef *txHandle = nullptr;
DMA_HandleTypeDef *rxHandle = nullptr;
spi::getDmaHandles(&txHandle, &rxHandle);
if(txHandle == nullptr or rxHandle == nullptr) {
sif::printError("SpiComIF::initialize: DMA handles not set!\n");
return HasReturnvaluesIF::RETURN_FAILED;
}
}
// This semaphore ensures thread-safety for a given bus
spiSemaphore = dynamic_cast<BinarySemaphore*>(
SemaphoreFactory::instance()->createBinarySemaphore());
address_t spiAddress = spiCookie->getDeviceAddress();
auto iter = spiDeviceMap.find(spiAddress);
if(iter == spiDeviceMap.end()) {
size_t bufferSize = spiCookie->getMaxRecvSize();
auto statusPair = spiDeviceMap.emplace(spiAddress, SpiInstance(bufferSize));
if (not statusPair.second) {
#if FSFW_VERBOSE_LEVEL >= 1
#if FSFW_CPP_OSTREAM_ENABLED == 1
sif::error << "SpiComIF::initializeInterface: Failed to insert device with address " <<
spiAddress << "to SPI device map" << std::endl;
#else
sif::printError("SpiComIF::initializeInterface: Failed to insert device with address "
"%lu to SPI device map\n", static_cast<unsigned long>(spiAddress));
#endif /* FSFW_CPP_OSTREAM_ENABLED == 1 */
#endif /* FSFW_VERBOSE_LEVEL >= 1 */
return HasReturnvaluesIF::RETURN_FAILED;
}
}
auto gpioPin = spiCookie->getChipSelectGpioPin();
auto gpioPort = spiCookie->getChipSelectGpioPort();
SPI_HandleTypeDef& spiHandle = spiCookie->getSpiHandle();
auto spiIdx = spiCookie->getSpiIdx();
if(spiIdx == spi::SpiBus::SPI_1) {
#ifdef SPI1
spiHandle.Instance = SPI1;
#endif
}
else if(spiIdx == spi::SpiBus::SPI_2) {
#ifdef SPI2
spiHandle.Instance = SPI2;
#endif
}
else {
printCfgError("SPI Bus Index");
return HasReturnvaluesIF::RETURN_FAILED;
}
auto mspCfg = spiCookie->getMspCfg();
if(transferMode == spi::TransferModes::POLLING) {
auto typedCfg = dynamic_cast<spi::MspPollingConfigStruct*>(mspCfg);
if(typedCfg == nullptr) {
printCfgError("Polling MSP");
return HasReturnvaluesIF::RETURN_FAILED;
}
spi::setSpiPollingMspFunctions(typedCfg);
}
else if(transferMode == spi::TransferModes::INTERRUPT) {
auto typedCfg = dynamic_cast<spi::MspIrqConfigStruct*>(mspCfg);
if(typedCfg == nullptr) {
printCfgError("IRQ MSP");
return HasReturnvaluesIF::RETURN_FAILED;
}
spi::setSpiIrqMspFunctions(typedCfg);
}
else if(transferMode == spi::TransferModes::DMA) {
auto typedCfg = dynamic_cast<spi::MspDmaConfigStruct*>(mspCfg);
if(typedCfg == nullptr) {
printCfgError("DMA MSP");
return HasReturnvaluesIF::RETURN_FAILED;
}
// Check DMA handles
DMA_HandleTypeDef* txHandle = nullptr;
DMA_HandleTypeDef* rxHandle = nullptr;
spi::getDmaHandles(&txHandle, &rxHandle);
if(txHandle == nullptr or rxHandle == nullptr) {
printCfgError("DMA Handle");
return HasReturnvaluesIF::RETURN_FAILED;
}
spi::setSpiDmaMspFunctions(typedCfg);
}
gpio::initializeGpioClock(gpioPort);
GPIO_InitTypeDef chipSelect = {};
chipSelect.Pin = gpioPin;
chipSelect.Mode = GPIO_MODE_OUTPUT_PP;
HAL_GPIO_Init(gpioPort, &chipSelect);
HAL_GPIO_WritePin(gpioPort, gpioPin, GPIO_PIN_SET);
if(HAL_SPI_Init(&spiHandle) != HAL_OK) {
sif::printWarning("SpiComIF::initialize: Error initializing SPI\n");
return HasReturnvaluesIF::RETURN_FAILED;
}
// The MSP configuration struct is not required anymore
spiCookie->deleteMspCfg();
return HasReturnvaluesIF::RETURN_OK;
}
ReturnValue_t SpiComIF::sendMessage(CookieIF *cookie, const uint8_t *sendData, size_t sendLen) {
SpiCookie* spiCookie = dynamic_cast<SpiCookie*>(cookie);
if(spiCookie == nullptr) {
return NULLPOINTER;
}
SPI_HandleTypeDef& spiHandle = spiCookie->getSpiHandle();
auto iter = spiDeviceMap.find(spiCookie->getDeviceAddress());
if(iter == spiDeviceMap.end()) {
return HasReturnvaluesIF::RETURN_FAILED;
}
iter->second.currentTransferLen = sendLen;
auto transferMode = spiCookie->getTransferMode();
switch(spiCookie->getTransferState()) {
case(spi::TransferStates::IDLE): {
break;
}
case(spi::TransferStates::WAIT):
case(spi::TransferStates::FAILURE):
case(spi::TransferStates::SUCCESS):
default: {
return HasReturnvaluesIF::RETURN_FAILED;
}
}
switch(transferMode) {
case(spi::TransferModes::POLLING): {
return handlePollingSendOperation(iter->second.replyBuffer.data(), spiHandle, *spiCookie,
sendData, sendLen);
}
case(spi::TransferModes::INTERRUPT): {
return handleInterruptSendOperation(iter->second.replyBuffer.data(), spiHandle, *spiCookie,
sendData, sendLen);
}
case(spi::TransferModes::DMA): {
return handleDmaSendOperation(iter->second.replyBuffer.data(), spiHandle, *spiCookie,
sendData, sendLen);
}
}
return HasReturnvaluesIF::RETURN_OK;
}
ReturnValue_t SpiComIF::getSendSuccess(CookieIF *cookie) {
return HasReturnvaluesIF::RETURN_OK;
}
ReturnValue_t SpiComIF::requestReceiveMessage(CookieIF *cookie, size_t requestLen) {
return HasReturnvaluesIF::RETURN_OK;
}
ReturnValue_t SpiComIF::readReceivedMessage(CookieIF *cookie, uint8_t **buffer, size_t *size) {
SpiCookie* spiCookie = dynamic_cast<SpiCookie*>(cookie);
if(spiCookie == nullptr) {
return NULLPOINTER;
}
switch(spiCookie->getTransferState()) {
case(spi::TransferStates::SUCCESS): {
auto iter = spiDeviceMap.find(spiCookie->getDeviceAddress());
if(iter == spiDeviceMap.end()) {
return HasReturnvaluesIF::RETURN_FAILED;
}
*buffer = iter->second.replyBuffer.data();
*size = iter->second.currentTransferLen;
spiCookie->setTransferState(spi::TransferStates::IDLE);
break;
}
case(spi::TransferStates::FAILURE): {
#if FSFW_VERBOSE_LEVEL >= 1
#if FSFW_CPP_OSTREAM_ENABLED == 1
sif::warning << "SpiComIF::readReceivedMessage: Transfer failure" << std::endl;
#else
sif::printWarning("SpiComIF::readReceivedMessage: Transfer failure\n");
#endif
#endif
spiCookie->setTransferState(spi::TransferStates::IDLE);
return HasReturnvaluesIF::RETURN_FAILED;
}
case(spi::TransferStates::WAIT):
case(spi::TransferStates::IDLE): {
break;
}
default: {
return HasReturnvaluesIF::RETURN_FAILED;
}
}
return HasReturnvaluesIF::RETURN_OK;
}
void SpiComIF::setDefaultPollingTimeout(dur_millis_t timeout) {
this->defaultPollingTimeout = timeout;
}
ReturnValue_t SpiComIF::handlePollingSendOperation(uint8_t* recvPtr, SPI_HandleTypeDef& spiHandle,
SpiCookie& spiCookie, const uint8_t *sendData, size_t sendLen) {
auto gpioPort = spiCookie.getChipSelectGpioPort();
auto gpioPin = spiCookie.getChipSelectGpioPin();
auto returnval = spiSemaphore->acquire(timeoutType, timeoutMs);
if(returnval != HasReturnvaluesIF::RETURN_OK) {
return returnval;
}
spiCookie.setTransferState(spi::TransferStates::WAIT);
HAL_GPIO_WritePin(gpioPort, gpioPin, GPIO_PIN_RESET);
auto result = HAL_SPI_TransmitReceive(&spiHandle, const_cast<uint8_t*>(sendData),
recvPtr, sendLen, defaultPollingTimeout);
HAL_GPIO_WritePin(gpioPort, gpioPin, GPIO_PIN_SET);
spiSemaphore->release();
switch(result) {
case(HAL_OK): {
spiCookie.setTransferState(spi::TransferStates::SUCCESS);
break;
}
case(HAL_TIMEOUT): {
#if FSFW_VERBOSE_LEVEL >= 1
#if FSFW_CPP_OSTREAM_ENABLED == 1
sif::warning << "SpiComIF::sendMessage: Polling Mode | Timeout for SPI device" <<
spiCookie->getDeviceAddress() << std::endl;
#else
sif::printWarning("SpiComIF::sendMessage: Polling Mode | Timeout for SPI device %d\n",
spiCookie.getDeviceAddress());
#endif
#endif
spiCookie.setTransferState(spi::TransferStates::FAILURE);
return spi::HAL_TIMEOUT_RETVAL;
}
case(HAL_ERROR):
default: {
#if FSFW_VERBOSE_LEVEL >= 1
#if FSFW_CPP_OSTREAM_ENABLED == 1
sif::warning << "SpiComIF::sendMessage: Polling Mode | HAL error for SPI device" <<
spiCookie->getDeviceAddress() << std::endl;
#else
sif::printWarning("SpiComIF::sendMessage: Polling Mode | HAL error for SPI device %d\n",
spiCookie.getDeviceAddress());
#endif
#endif
spiCookie.setTransferState(spi::TransferStates::FAILURE);
return spi::HAL_ERROR_RETVAL;
}
}
return HasReturnvaluesIF::RETURN_OK;
}
ReturnValue_t SpiComIF::handleInterruptSendOperation(uint8_t* recvPtr, SPI_HandleTypeDef& spiHandle,
SpiCookie& spiCookie, const uint8_t * sendData, size_t sendLen) {
return handleIrqSendOperation(recvPtr, spiHandle, spiCookie, sendData, sendLen);
}
ReturnValue_t SpiComIF::handleDmaSendOperation(uint8_t* recvPtr, SPI_HandleTypeDef& spiHandle,
SpiCookie& spiCookie, const uint8_t * sendData, size_t sendLen) {
return handleIrqSendOperation(recvPtr, spiHandle, spiCookie, sendData, sendLen);
}
ReturnValue_t SpiComIF::handleIrqSendOperation(uint8_t *recvPtr, SPI_HandleTypeDef& spiHandle,
SpiCookie& spiCookie, const uint8_t *sendData, size_t sendLen) {
ReturnValue_t result = genericIrqSendSetup(recvPtr, spiHandle, spiCookie, sendData, sendLen);
if(result != HasReturnvaluesIF::RETURN_OK) {
return result;
}
// yet another HAL driver which is not const-correct..
HAL_StatusTypeDef status = HAL_OK;
auto transferMode = spiCookie.getTransferMode();
if(transferMode == spi::TransferModes::DMA) {
if(cacheMaintenanceOnTxBuffer) {
/* Clean D-cache. Make sure the address is 32-byte aligned and add 32-bytes to length,
in case it overlaps cacheline */
SCB_CleanDCache_by_Addr((uint32_t*)(((uint32_t) sendData ) & ~(uint32_t)0x1F),
sendLen + 32);
}
status = HAL_SPI_TransmitReceive_DMA(&spiHandle, const_cast<uint8_t*>(sendData),
currentRecvPtr, sendLen);
}
else {
status = HAL_SPI_TransmitReceive_IT(&spiHandle, const_cast<uint8_t*>(sendData),
currentRecvPtr, sendLen);
}
switch(status) {
case(HAL_OK): {
break;
}
default: {
return halErrorHandler(status, transferMode);
}
}
return result;
}
ReturnValue_t SpiComIF::halErrorHandler(HAL_StatusTypeDef status, spi::TransferModes transferMode) {
char modeString[10];
if(transferMode == spi::TransferModes::DMA) {
std::snprintf(modeString, sizeof(modeString), "Dma");
}
else {
std::snprintf(modeString, sizeof(modeString), "Interrupt");
}
sif::printWarning("SpiComIF::handle%sSendOperation: HAL error %d occured\n", modeString,
status);
switch(status) {
case(HAL_BUSY): {
return spi::HAL_BUSY_RETVAL;
}
case(HAL_ERROR): {
return spi::HAL_ERROR_RETVAL;
}
case(HAL_TIMEOUT): {
return spi::HAL_TIMEOUT_RETVAL;
}
default: {
return HasReturnvaluesIF::RETURN_FAILED;
}
}
}
ReturnValue_t SpiComIF::genericIrqSendSetup(uint8_t *recvPtr, SPI_HandleTypeDef& spiHandle,
SpiCookie& spiCookie, const uint8_t *sendData, size_t sendLen) {
currentRecvPtr = recvPtr;
currentRecvBuffSize = sendLen;
// Take the semaphore which will be released by a callback when the transfer is complete
ReturnValue_t result = spiSemaphore->acquire(SemaphoreIF::TimeoutType::WAITING, timeoutMs);
if(result != HasReturnvaluesIF::RETURN_OK) {
// Configuration error
sif::printWarning("SpiComIF::handleInterruptSendOperation: Semaphore "
"could not be acquired after %d ms\n", timeoutMs);
return result;
}
// Cache the current SPI handle in any case
spi::setSpiHandle(&spiHandle);
// Assign the IRQ arguments for the user callbacks
irqArgs.comIF = this;
irqArgs.spiCookie = &spiCookie;
// The SPI handle is passed to the default SPI callback as a void argument. This callback
// is different from the user callbacks specified above!
spi::assignSpiUserArgs(spiCookie.getSpiIdx(), reinterpret_cast<void*>(&spiHandle));
HAL_GPIO_WritePin(spiCookie.getChipSelectGpioPort(), spiCookie.getChipSelectGpioPin(),
GPIO_PIN_RESET);
return HasReturnvaluesIF::RETURN_OK;
}
void SpiComIF::spiTransferTxCompleteCallback(SPI_HandleTypeDef *hspi, void *args) {
genericIrqHandler(args, spi::TransferStates::SUCCESS);
}
void SpiComIF::spiTransferRxCompleteCallback(SPI_HandleTypeDef *hspi, void *args) {
genericIrqHandler(args, spi::TransferStates::SUCCESS);
}
void SpiComIF::spiTransferCompleteCallback(SPI_HandleTypeDef *hspi, void *args) {
genericIrqHandler(args, spi::TransferStates::SUCCESS);
}
void SpiComIF::spiTransferErrorCallback(SPI_HandleTypeDef *hspi, void *args) {
genericIrqHandler(args, spi::TransferStates::FAILURE);
}
void SpiComIF::genericIrqHandler(void *irqArgsVoid, spi::TransferStates targetState) {
IrqArgs* irqArgs = reinterpret_cast<IrqArgs*>(irqArgsVoid);
if(irqArgs == nullptr) {
return;
}
SpiCookie* spiCookie = irqArgs->spiCookie;
SpiComIF* comIF = irqArgs->comIF;
if(spiCookie == nullptr or comIF == nullptr) {
return;
}
spiCookie->setTransferState(targetState);
// Pull CS pin high again
HAL_GPIO_WritePin(spiCookie->getChipSelectGpioPort(), spiCookie->getChipSelectGpioPin(),
GPIO_PIN_SET);
#if defined FSFW_OSAL_FREERTOS
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// Release the task semaphore
BaseType_t taskWoken = pdFALSE;
ReturnValue_t result = BinarySemaphore::releaseFromISR(comIF->spiSemaphore->getSemaphore(),
&taskWoken);
#elif defined FSFW_OSAL_RTEMS
ReturnValue_t result = comIF->spiSemaphore->release();
#endif
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if(result != HasReturnvaluesIF::RETURN_OK) {
// Configuration error
printf("SpiComIF::genericIrqHandler: Failure releasing Semaphore!\n");
}
// Perform cache maintenance operation for DMA transfers
if(spiCookie->getTransferMode() == spi::TransferModes::DMA) {
// Invalidate cache prior to access by CPU
SCB_InvalidateDCache_by_Addr ((uint32_t *) comIF->currentRecvPtr,
comIF->currentRecvBuffSize);
}
#if defined FSFW_OSAL_FREERTOS
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/* Request a context switch if the SPI ComIF task was woken up and has a higher priority
than the currently running task */
if(taskWoken == pdTRUE) {
TaskManagement::requestContextSwitch(CallContext::ISR);
}
#endif
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}
void SpiComIF::printCfgError(const char *const type) {
#if FSFW_CPP_OSTREAM_ENABLED == 1
sif::warning << "SpiComIF::initializeInterface: Invalid " << type << " configuration"
<< std::endl;
#else
sif::printWarning("SpiComIF::initializeInterface: Invalid %s configuration\n", type);
#endif
}