39 lines
1.0 KiB
C
39 lines
1.0 KiB
C
#include "bsp/spi.h"
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/* Private variables ---------------------------------------------------------*/
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#define SX1281_SPI_DMA 0
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static volatile bool spi_done = false;
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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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void SpiInOut( uint8_t *txBuffer, uint8_t *rxBuffer, uint16_t size )
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{
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spi_done = true;
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BSP_SPI_TransmitReceive(BSP_SPI_SX1281, txBuffer, rxBuffer, size, SX1281_SPI_DMA); // 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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spi_done = true;
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BSP_SPI_Transmit(BSP_SPI_SX1281, txBuffer, size, SX1281_SPI_DMA);
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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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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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