Merge pull request #2400 from NXPmicro/Fix_Duplicate_Define_KL27Z

KL27Z: Fix duplicate define error

Author: 0xc0170

hal/targets/hal/TARGET_Freescale/TARGET_KSDK2_MCUS/TARGET_KL27Z/drivers/fsl_flexio_spi_dma.c

@@ -77,7 +77,7 @@ static void FLEXIO_SPI_DMAConfig(FLEXIO_SPI_Type *base,
  ******************************************************************************/
 
 /* Dummy data used to send */
-const uint16_t s_dummyData = FLEXIO_SPI_DUMMYDATA;
+static const uint16_t s_dummyData = FLEXIO_SPI_DUMMYDATA;
 
 /*< @brief user configurable flexio spi handle count. */
 #define FLEXIO_SPI_HANDLE_COUNT 2

hal/targets/hal/TARGET_Freescale/TARGET_KSDK2_MCUS/TARGET_KL27Z/drivers/fsl_flexio_spi_dma.h

@@ -38,7 +38,6 @@
  * @{
  */
 
-/*! @file */
 
 /*******************************************************************************
  * Definitions

hal/targets/hal/TARGET_Freescale/TARGET_KSDK2_MCUS/TARGET_KL27Z/drivers/fsl_spi_dma.c

@@ -80,7 +80,7 @@ static void SPI_RxDMACallback(dma_handle_t *handle, void *userData);
  ******************************************************************************/
 
 /* Dummy data used to send */
-const uint8_t s_dummyData = SPI_DUMMYDATA;
+static const uint8_t s_dummyData = SPI_DUMMYDATA;
 
 /*******************************************************************************
 * Code
@@ -168,7 +168,7 @@ void SPI_MasterTransferCreateHandleDMA(SPI_Type *base,
     handle->bytesPerFrame = 1U;
 #endif /* FSL_FEATURE_SPI_16BIT_TRANSFERS */
 
-#if defined(FSL_FEATURE_SPI_FIFO_SIZE) && (FSL_FEATURE_SPI_FIFO_SIZE > 1)
+#if defined(FSL_FEATURE_SPI_HAS_FIFO) && (FSL_FEATURE_SPI_HAS_FIFO)
     /* If using DMA, disable FIFO, as the FIFO may cause data loss if the data size is not integer
        times of 2bytes. As SPI cannot set watermark to 0, only can set to 1/2 FIFO size or 3/4 FIFO
        size. */
@@ -177,7 +177,7 @@ void SPI_MasterTransferCreateHandleDMA(SPI_Type *base,
         base->C3 &= ~SPI_C3_FIFOMODE_MASK;
     }
 
-#endif /* FSL_FEATURE_SPI_FIFO_SIZE */
+#endif /* FSL_FEATURE_SPI_HAS_FIFO */
 
     /* Set the non-change attribute for Tx DMA transfer, to improve efficiency */
     config.destAddr = SPI_GetDataRegisterAddress(base);
@@ -226,6 +226,10 @@ status_t SPI_MasterTransferDMA(SPI_Type *base, spi_dma_handle_t *handle, spi_tra
         return kStatus_InvalidArgument;
     }
 
+    /* Disable SPI and then enable it, this is used to clear S register*/
+    SPI_Enable(base, false);
+    SPI_Enable(base, true);
+
     /* Configure tx transfer DMA */
     config.destAddr = SPI_GetDataRegisterAddress(base);
     config.enableDestIncrement = false;

hal/targets/hal/TARGET_Freescale/TARGET_KSDK2_MCUS/TARGET_KL27Z/drivers/fsl_spi_dma.h

@@ -38,7 +38,6 @@
  * @{
  */
 
-/*! @file */
 
 /*******************************************************************************
  * Definitions