问STM32H7 SPI传输，始终处于繁忙传输状态，HAL_SPI_STATE_BUSY_TX

EN

hdma1_tx.Instance                 = DMA1_Stream7;
hdma1_tx.Init.FIFOMode            = DMA_FIFOMODE_DISABLE;
hdma1_tx.Init.FIFOThreshold       = DMA_FIFO_THRESHOLD_FULL;
hdma1_tx.Init.MemBurst            = DMA_MBURST_INC4;
hdma1_tx.Init.PeriphBurst         = DMA_PBURST_INC4;
hdma1_tx.Init.Request             = DMA_REQUEST_SPI1_TX;
hdma1_tx.Init.Direction           = DMA_MEMORY_TO_PERIPH;
hdma1_tx.Init.PeriphInc           = DMA_PINC_DISABLE;
hdma1_tx.Init.MemInc              = DMA_MINC_ENABLE;
hdma1_tx.Init.PeriphDataAlignment = DMA_PDATAALIGN_BYTE;
hdma1_tx.Init.MemDataAlignment    = DMA_MDATAALIGN_BYTE;
hdma1_tx.Init.Mode                = DMA_NORMAL;
hdma1_tx.Init.Priority            = DMA_PRIORITY_LOW;

if(HAL_DMA_Init(&hdma1_tx) != HAL_OK)
{
  // Error
}

/* Associate the initialized DMA handle to the the SPI handle */
__HAL_LINKDMA(hspi, hdmatx, hdma1_tx); 

/* Configure the DMA handler for Transmission process */
hdma_rx.Instance                 = DMA1_Stream1;
hdma_rx.Init.FIFOMode            = DMA_FIFOMODE_DISABLE;
hdma_rx.Init.FIFOThreshold       = DMA_FIFO_THRESHOLD_FULL;
hdma_rx.Init.MemBurst            = DMA_MBURST_INC4;
hdma_rx.Init.PeriphBurst         = DMA_PBURST_INC4;
hdma_rx.Init.Request             = DMA_REQUEST_SPI1_RX;
hdma_rx.Init.Direction           = DMA_PERIPH_TO_MEMORY;
hdma_rx.Init.PeriphInc           = DMA_PINC_DISABLE;
hdma_rx.Init.MemInc              = DMA_MINC_ENABLE;
hdma_rx.Init.PeriphDataAlignment = DMA_PDATAALIGN_BYTE;
hdma_rx.Init.MemDataAlignment    = DMA_MDATAALIGN_BYTE;
hdma_rx.Init.Mode                = DMA_NORMAL;
hdma_rx.Init.Priority            = DMA_PRIORITY_HIGH;

HAL_DMA_Init(&hdma_rx);

/* Associate the initialized DMA handle to the the SPI handle */
__HAL_LINKDMA(hspi, hdmarx, hdma_rx);

/*##-4- Configure the NVIC for DMA #########################################*/ 
/* NVIC configuration for DMA transfer complete interrupt (SPI1_TX) */
HAL_NVIC_SetPriority(DMA1_Stream7_IRQn, 1, 1);
HAL_NVIC_EnableIRQ(DMA1_Stream7_IRQn); 

HAL_NVIC_SetPriority(SPI1_IRQn, 1, 0);
HAL_NVIC_EnableIRQ(SPI1_IRQn);