134 lines
4.2 KiB
C
134 lines
4.2 KiB
C
#include "hw.h"
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#include "bsp/spi.h"
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/* Private variables ---------------------------------------------------------*/
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/////////////////////////////////////////////////////////////
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static bool dma_spi1=false;
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static volatile bool spi_done = false; // 仍用一次标志，但由 BSP 回调清零
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/* -------------- 局部回调 -------------- */
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static void txrx_cplt_cb(void) { spi_done = false; }
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static void tx_cplt_cb (void) { spi_done = false; }
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void SpiInit( void )
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{
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BSP_SPI_RegisterCallback(BSP_SPI_SX1281, BSP_SPI_TX_RX_CPLT_CB, txrx_cplt_cb);
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BSP_SPI_RegisterCallback(BSP_SPI_SX1281, BSP_SPI_TX_CPLT_CB, tx_cplt_cb);
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}
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/*!
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* @brief Sends txBuffer and receives rxBuffer
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*
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* @param [IN] txBuffer Byte to be sent
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* @param [OUT] rxBuffer Byte to be sent
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* @param [IN] size Byte to be sent
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*/
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void SpiInOut( uint8_t *txBuffer, uint8_t *rxBuffer, uint16_t size )
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{
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// HAL_SPIEx_FlushRxFifo( &hspi1 );
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// #ifdef USE_DMA
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// blockingDmaFlag = true;
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// HAL_SPI_TransmitReceive_DMA( &hspi1, txBuffer, rxBuffer, size );
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// WAIT_FOR_BLOCKING_FLAG
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// #else
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// HAL_SPI_TransmitReceive( &hspi1, txBuffer, rxBuffer, size, HAL_MAX_DELAY );
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// #endif
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spi_done = true;
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BSP_SPI_TransmitReceive(BSP_SPI_SX1281, txBuffer, rxBuffer, size, dma_spi1); // true = DMA
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// wait_done();
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}
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void SpiIn( uint8_t *txBuffer, uint16_t size )
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{
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// #ifdef USE_DMA
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// blockingDmaFlag = true;
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// HAL_SPI_Transmit_DMA( &hspi1, txBuffer, size );
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// WAIT_FOR_BLOCKING_FLAG
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// #else
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// HAL_SPI_Transmit( &hspi1, txBuffer, size, HAL_MAX_DELAY );
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// #endif
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spi_done = true;
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BSP_SPI_Transmit(BSP_SPI_SX1281, txBuffer, size, dma_spi1);
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// wait_done();
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}
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static void wait_done(void)
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{
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while (spi_done) { /* 空转，或者换成 OS 延时/信号量 */ }
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}
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////////////////////////////////////////////////////////////
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// SPI_HandleTypeDef SpiHandle;
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// volatile bool blockingDmaFlag;
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// void SpiInit( void )
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// {
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// SpiHandle.Instance = SPI1;
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// SpiHandle.Init.Mode = SPI_MODE_MASTER;
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// SpiHandle.Init.Direction = SPI_DIRECTION_2LINES;
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// SpiHandle.Init.DataSize = SPI_DATASIZE_8BIT;
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// SpiHandle.Init.CLKPolarity = SPI_POLARITY_LOW;
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// SpiHandle.Init.CLKPhase = SPI_PHASE_1EDGE;
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// SpiHandle.Init.NSS = SPI_NSS_SOFT;
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// SpiHandle.Init.BaudRatePrescaler = SPI_BAUDRATEPRESCALER_16;
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// SpiHandle.Init.FirstBit = SPI_FIRSTBIT_MSB;
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// SpiHandle.Init.TIMode = SPI_TIMODE_DISABLE;
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// SpiHandle.Init.CRCCalculation = SPI_CRCCALCULATION_DISABLE;
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// SpiHandle.Init.CRCPolynomial = 7;
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// // SpiHandle.Init.CRCLength = SPI_CRC_LENGTH_DATASIZE;
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// // SpiHandle.Init.NSSPMode = SPI_NSS_PULSE_DISABLE;
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// if ( HAL_SPI_Init( &SpiHandle ) != HAL_OK )
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// {
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// Error_Handler( );
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// }
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// }
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void SpiDeInit( void )
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{
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/* 注销回调或直接留空 */
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}
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// #define WAIT_FOR_BLOCKING_FLAG while( blockingDmaFlag ) { }
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// /*!
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// * @brief Sends txBuffer and receives rxBuffer
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// *
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// * @param [IN] txBuffer Byte to be sent
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// * @param [OUT] rxBuffer Byte to be sent
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// * @param [IN] size Byte to be sent
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// */
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// void SpiInOut( uint8_t *txBuffer, uint8_t *rxBuffer, uint16_t size )
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// {
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// // HAL_SPIEx_FlushRxFifo( &SpiHandle );
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// #ifdef USE_DMA
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// blockingDmaFlag = true;
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// HAL_SPI_TransmitReceive_DMA( &SpiHandle, txBuffer, rxBuffer, size );
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// WAIT_FOR_BLOCKING_FLAG
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// #else
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// HAL_SPI_TransmitReceive( &SpiHandle, txBuffer, rxBuffer, size, HAL_MAX_DELAY );
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// #endif
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// }
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// void SpiIn( uint8_t *txBuffer, uint16_t size )
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// {
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// #ifdef USE_DMA
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// blockingDmaFlag = true;
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// HAL_SPI_Transmit_DMA( &SpiHandle, txBuffer, size );
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// WAIT_FOR_BLOCKING_FLAG
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// #else
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// HAL_SPI_Transmit( &SpiHandle, txBuffer, size, HAL_MAX_DELAY );
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// #endif
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// }
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// void HAL_SPI_TxRxCpltCallback(SPI_HandleTypeDef *hspi)
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// {
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// blockingDmaFlag = false;
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// }
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// void HAL_SPI_TxCpltCallback(SPI_HandleTypeDef *hspi)
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// {
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// blockingDmaFlag = false;
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// }
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