SPI: H7 and MP1 fix

Signed-off-by: Alexey Golyshin <stas2z@gmail.com>

Author: stas2z

libraries/SPI/src/utility/spi_com.c

@@ -393,7 +393,7 @@ spi_status_e spi_send(spi_t *obj, uint8_t *Data, uint16_t len, uint32_t Timeout)
  * @param rx_buffer : data to receive
  * @param len : length in byte of the data to send and receive
  * @param Timeout: Timeout duration in tick
- * @param skipRecieve: skip recieving data after transmit or not
+ * @param skipReceive: skip receiving data after transmit or not
  * @retval status of the send operation (0) in case of error
  */
 spi_status_e spi_transfer(spi_t *obj, uint8_t *tx_buffer, uint8_t *rx_buffer,
@@ -407,14 +407,25 @@ spi_status_e spi_transfer(spi_t *obj, uint8_t *tx_buffer, uint8_t *rx_buffer,
  return Timeout > 0U ? SPI_ERROR : SPI_TIMEOUT;
  }
  tickstart = HAL_GetTick();
+
+#if defined(STM32H7xx) || defined(STM32MP1xx)
+ LL_SPI_StartMasterTransfer(_SPI); // start master transfer
+#endif
+
  while (size--) {
- while (!LL_SPI_IsActiveFlag_TXE(_SPI))
- ;
+#if defined(STM32H7xx) || defined(STM32MP1xx)
+ while (!LL_SPI_IsActiveFlag_TXP(_SPI));
+#else
+ while (!LL_SPI_IsActiveFlag_TXE(_SPI));
+#endif
  LL_SPI_TransmitData8(_SPI, *tx_buffer++);
 
  if (!skipReceive) {
- while (!LL_SPI_IsActiveFlag_RXNE(_SPI))
- ;
+#if defined(STM32H7xx) || defined(STM32MP1xx)
+ while (!LL_SPI_IsActiveFlag_RXP(_SPI));
+#else
+ while (!LL_SPI_IsActiveFlag_RXNE(_SPI));
+#endif
  *rx_buffer++ = LL_SPI_ReceiveData8(_SPI);
  }
  if ((Timeout != HAL_MAX_DELAY) && (HAL_GetTick() - tickstart >= Timeout)) {