[bsp][stm32]fix stm32h7 spi transmit fail probelm.

RT-Thread · Jul 2, 2024 · 8487e77 · 8487e77
1 parent c09d7e1
commit 8487e77
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Showing 8 changed files with 503 additions and 403 deletions.
diff --git a/bsp/stm32/libraries/HAL_Drivers/drivers/drv_spi.c b/bsp/stm32/libraries/HAL_Drivers/drivers/drv_spi.c
@@ -232,7 +232,7 @@ static rt_err_t stm32_spi_init(struct stm32_spi *spi_drv, struct rt_spi_configur
     spi_handle->Init.MasterReceiverAutoSusp     = SPI_MASTER_RX_AUTOSUSP_DISABLE;
     spi_handle->Init.MasterKeepIOState = SPI_MASTER_KEEP_IO_STATE_ENABLE;
     spi_handle->Init.IOSwap                     = SPI_IO_SWAP_DISABLE;
-    spi_handle->Init.FifoThreshold              = SPI_FIFO_THRESHOLD_08DATA;
+    spi_handle->Init.FifoThreshold              = SPI_FIFO_THRESHOLD_01DATA;
 #endif
 
     if (HAL_SPI_Init(spi_handle) != HAL_OK)