82 lines
2.9 KiB
C++
82 lines
2.9 KiB
C++
#include "stm32h743ziSpi.h"
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#include "spiCore.h"
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#include "spiInterrupts.h"
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#include "stm32h7xx_hal.h"
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#include "stm32h7xx_hal_rcc.h"
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#include <cstdio>
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void spiSetupWrapper() {
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__HAL_RCC_GPIOA_CLK_ENABLE();
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__HAL_RCC_GPIOB_CLK_ENABLE();
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__HAL_RCC_SPI1_CLK_ENABLE();
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}
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void spiCleanUpWrapper() {
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__HAL_RCC_SPI1_FORCE_RESET();
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__HAL_RCC_SPI1_RELEASE_RESET();
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}
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void spiDmaClockEnableWrapper() {
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__HAL_RCC_DMA2_CLK_ENABLE();
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}
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void spi::h743zi::standardPollingCfg(MspPollingConfigStruct& cfg) {
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cfg.setupMacroWrapper = &spiSetupWrapper;
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cfg.cleanUpMacroWrapper = &spiCleanUpWrapper;
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cfg.sckPort = GPIOA;
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cfg.sckPin = GPIO_PIN_5;
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cfg.misoPort = GPIOA;
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cfg.misoPin = GPIO_PIN_6;
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cfg.mosiPort = GPIOA;
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cfg.mosiPin = GPIO_PIN_7;
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cfg.sckAlternateFunction = GPIO_AF5_SPI1;
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cfg.mosiAlternateFunction = GPIO_AF5_SPI1;
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cfg.misoAlternateFunction = GPIO_AF5_SPI1;
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}
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void spi::h743zi::standardInterruptCfg(MspIrqConfigStruct& cfg, IrqPriorities spiIrqPrio,
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IrqPriorities spiSubprio) {
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// High, but works on FreeRTOS as well (priorities range from 0 to 15)
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cfg.preEmptPriority = spiIrqPrio;
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cfg.subpriority = spiSubprio;
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cfg.spiIrqNumber = SPI1_IRQn;
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cfg.spiBus = SpiBus::SPI_1;
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user_handler_t spiUserHandler = nullptr;
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user_args_t spiUserArgs = nullptr;
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getSpiUserHandler(spi::SpiBus::SPI_1, &spiUserHandler, &spiUserArgs);
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if(spiUserHandler == nullptr) {
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printf("spi::h743zi::standardInterruptCfg: Invalid SPI user handlers\n");
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return;
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}
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cfg.spiUserArgs = spiUserArgs;
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cfg.spiIrqHandler = spiUserHandler;
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standardPollingCfg(cfg);
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}
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void spi::h743zi::standardDmaCfg(MspDmaConfigStruct& cfg, IrqPriorities spiIrqPrio,
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IrqPriorities txIrqPrio, IrqPriorities rxIrqPrio, IrqPriorities spiSubprio,
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IrqPriorities txSubprio, IrqPriorities rxSubprio) {
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cfg.dmaClkEnableWrapper = &spiDmaClockEnableWrapper;
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cfg.rxDmaIndex = dma::DMAIndexes::DMA_2;
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cfg.txDmaIndex = dma::DMAIndexes::DMA_2;
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cfg.txDmaStream = dma::DMAStreams::STREAM_3;
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cfg.rxDmaStream = dma::DMAStreams::STREAM_2;
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DMA_HandleTypeDef* txHandle;
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DMA_HandleTypeDef* rxHandle;
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spi::getDmaHandles(&txHandle, &rxHandle);
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if(txHandle == nullptr or rxHandle == nullptr) {
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printf("spi::h743zi::standardDmaCfg: Invalid DMA handles\n");
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return;
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}
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spi::configureDmaHandle(txHandle, spi::SpiBus::SPI_1, dma::DMAType::TX, cfg.txDmaIndex,
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cfg.txDmaStream, &cfg.txDmaIrqNumber);
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spi::configureDmaHandle(rxHandle, spi::SpiBus::SPI_1, dma::DMAType::RX, cfg.rxDmaIndex,
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cfg.rxDmaStream, &cfg.rxDmaIrqNumber, DMA_NORMAL, DMA_PRIORITY_HIGH);
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cfg.txPreEmptPriority = txIrqPrio;
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cfg.rxPreEmptPriority = txSubprio;
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cfg.txSubpriority = rxIrqPrio;
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cfg.rxSubpriority = rxSubprio;
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standardInterruptCfg(cfg, spiIrqPrio, spiSubprio);
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}
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