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The official Mbed 2 C/C++ SDK provides the software platform and libraries to build your applications.
Last commit 20 Feb 2019 by 
mbed official
Diff: targets/cmsis/TARGET_STM/TARGET_STM32F3/stm32f3xx_hal_spi.c
- Revision:
- 632:7687fb9c4f91
- Parent:
- 385:be64abf45658
- Child:
- 634:ac7d6880524d
--- a/targets/cmsis/TARGET_STM/TARGET_STM32F3/stm32f3xx_hal_spi.c Mon Sep 28 13:00:10 2015 +0100
+++ b/targets/cmsis/TARGET_STM/TARGET_STM32F3/stm32f3xx_hal_spi.c Mon Sep 28 14:00:11 2015 +0100
@@ -2,8 +2,8 @@
******************************************************************************
* @file stm32f3xx_hal_spi.c
* @author MCD Application Team
- * @version V1.1.0
- * @date 12-Sept-2014
+ * @version V1.1.1
+ * @date 19-June-2015
* @brief SPI HAL module driver.
*
* This file provides firmware functions to manage the following
@@ -83,7 +83,7 @@
******************************************************************************
* @attention
*
- * <h2><center>© COPYRIGHT(c) 2014 STMicroelectronics</center></h2>
+ * <h2><center>© COPYRIGHT(c) 2015 STMicroelectronics</center></h2>
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
@@ -219,7 +219,7 @@
uint32_t frxth;
/* Check the SPI handle allocation */
- if(hspi == HAL_NULL)
+ if(hspi == NULL)
{
return HAL_ERROR;
}
@@ -314,7 +314,7 @@
HAL_StatusTypeDef HAL_SPI_DeInit(SPI_HandleTypeDef *hspi)
{
/* Check the SPI handle allocation */
- if(hspi == HAL_NULL)
+ if(hspi == NULL)
{
return HAL_ERROR;
}
@@ -434,7 +434,7 @@
return HAL_BUSY;
}
- if((pData == HAL_NULL ) || (Size == 0))
+ if((pData == NULL ) || (Size == 0))
{
return HAL_ERROR;
}
@@ -448,7 +448,7 @@
hspi->pTxBuffPtr = pData;
hspi->TxXferSize = Size;
hspi->TxXferCount = Size;
- hspi->pRxBuffPtr = HAL_NULL;
+ hspi->pRxBuffPtr = NULL;
hspi->RxXferSize = 0;
hspi->RxXferCount = 0;
@@ -565,7 +565,7 @@
return HAL_BUSY;
}
- if((pData == HAL_NULL ) || (Size == 0))
+ if((pData == NULL ) || (Size == 0))
{
return HAL_ERROR;
}
@@ -585,7 +585,7 @@
hspi->pRxBuffPtr = pData;
hspi->RxXferSize = Size;
hspi->RxXferCount = Size;
- hspi->pTxBuffPtr = HAL_NULL;
+ hspi->pTxBuffPtr = NULL;
hspi->TxXferSize = 0;
hspi->TxXferCount = 0;
@@ -686,10 +686,13 @@
if(hspi->Init.DataSize > SPI_DATASIZE_8BIT)
{
tmpreg = hspi->Instance->DR;
+ UNUSED(tmpreg); /* To avoid GCC warning */
}
else
{
tmpreg = *(__IO uint8_t *)&hspi->Instance->DR;
+ UNUSED(tmpreg); /* To avoid GCC warning */
+
if((hspi->Init.DataSize == SPI_DATASIZE_8BIT) && (hspi->Init.CRCLength == SPI_CRC_LENGTH_16BIT))
{
if(SPI_WaitFlagStateUntilTimeout(hspi, SPI_FLAG_RXNE, SPI_FLAG_RXNE, Timeout) != HAL_OK)
@@ -698,6 +701,7 @@
hspi->ErrorCode|= HAL_SPI_ERROR_CRC;
}
tmpreg = *(__IO uint8_t *)&hspi->Instance->DR;
+ UNUSED(tmpreg); /* To avoid GCC warning */
}
}
}
@@ -755,7 +759,7 @@
return HAL_BUSY;
}
- if((pTxData == HAL_NULL) || (pRxData == HAL_NULL) || (Size == 0))
+ if((pTxData == NULL) || (pRxData == NULL) || (Size == 0))
{
return HAL_ERROR;
}
@@ -908,10 +912,13 @@
if(hspi->Init.DataSize == SPI_DATASIZE_16BIT)
{
tmpreg = hspi->Instance->DR;
+ UNUSED(tmpreg); /* To avoid GCC warning */
}
else
{
tmpreg = *(__IO uint8_t *)&hspi->Instance->DR;
+ UNUSED(tmpreg); /* To avoid GCC warning */
+
if(hspi->Init.CRCLength == SPI_CRC_LENGTH_16BIT)
{
if(SPI_WaitFlagStateUntilTimeout(hspi, SPI_FLAG_RXNE, SPI_FLAG_RXNE, Timeout) != HAL_OK)
@@ -920,6 +927,7 @@
hspi->ErrorCode|= HAL_SPI_ERROR_CRC;
}
tmpreg = *(__IO uint8_t *)&hspi->Instance->DR;
+ UNUSED(tmpreg); /* To avoid GCC warning */
}
}
}
@@ -971,7 +979,7 @@
if(hspi->State == HAL_SPI_STATE_READY)
{
- if((pData == HAL_NULL) || (Size == 0))
+ if((pData == NULL) || (Size == 0))
{
return HAL_ERROR;
}
@@ -984,19 +992,19 @@
hspi->pTxBuffPtr = pData;
hspi->TxXferSize = Size;
hspi->TxXferCount = Size;
- hspi->pRxBuffPtr = HAL_NULL;
+ hspi->pRxBuffPtr = NULL;
hspi->RxXferSize = 0;
hspi->RxXferCount = 0;
/* Set the function for IT treatement */
if(hspi->Init.DataSize > SPI_DATASIZE_8BIT )
{
- hspi->RxISR = HAL_NULL;
+ hspi->RxISR = NULL;
hspi->TxISR = SPI_TxISR_16BIT;
}
else
{
- hspi->RxISR = HAL_NULL;
+ hspi->RxISR = NULL;
hspi->TxISR = SPI_TxISR_8BIT;
}
@@ -1048,7 +1056,7 @@
{
if(hspi->State == HAL_SPI_STATE_READY)
{
- if((pData == HAL_NULL) || (Size == 0))
+ if((pData == NULL) || (Size == 0))
{
return HAL_ERROR;
}
@@ -1062,7 +1070,7 @@
hspi->pRxBuffPtr = pData;
hspi->RxXferSize = Size;
hspi->RxXferCount = Size;
- hspi->pTxBuffPtr = HAL_NULL;
+ hspi->pTxBuffPtr = NULL;
hspi->TxXferSize = 0;
hspi->TxXferCount = 0;
@@ -1094,14 +1102,14 @@
/* set fiforxthresold according the reception data lenght: 16 bit */
CLEAR_BIT(hspi->Instance->CR2, SPI_RXFIFO_THRESHOLD);
hspi->RxISR = SPI_RxISR_16BIT;
- hspi->TxISR = HAL_NULL;
+ hspi->TxISR = NULL;
}
else
{
/* set fiforxthresold according the reception data lenght: 8 bit */
SET_BIT(hspi->Instance->CR2, SPI_RXFIFO_THRESHOLD);
hspi->RxISR = SPI_RxISR_8BIT;
- hspi->TxISR = HAL_NULL;
+ hspi->TxISR = NULL;
}
/* Configure communication direction : 1Line */
@@ -1156,7 +1164,7 @@
if((hspi->State == HAL_SPI_STATE_READY) || \
((hspi->Init.Mode == SPI_MODE_MASTER) && (hspi->Init.Direction == SPI_DIRECTION_2LINES) && (hspi->State == HAL_SPI_STATE_BUSY_RX)))
{
- if((pTxData == HAL_NULL ) || (pRxData == HAL_NULL ) || (Size == 0))
+ if((pTxData == NULL ) || (pRxData == NULL ) || (Size == 0))
{
return HAL_ERROR;
}
@@ -1254,7 +1262,7 @@
return HAL_BUSY;
}
- if((pData == HAL_NULL) || (Size == 0))
+ if((pData == NULL) || (Size == 0))
{
return HAL_ERROR;
}
@@ -1267,7 +1275,7 @@
hspi->pTxBuffPtr = pData;
hspi->TxXferSize = Size;
hspi->TxXferCount = Size;
- hspi->pRxBuffPtr = HAL_NULL;
+ hspi->pRxBuffPtr = NULL;
hspi->RxXferSize = 0;
hspi->RxXferCount = 0;
@@ -1339,7 +1347,7 @@
return HAL_BUSY;
}
- if((pData == HAL_NULL) || (Size == 0))
+ if((pData == NULL) || (Size == 0))
{
return HAL_ERROR;
}
@@ -1352,7 +1360,7 @@
hspi->pRxBuffPtr = pData;
hspi->RxXferSize = Size;
hspi->RxXferCount = Size;
- hspi->pTxBuffPtr = HAL_NULL;
+ hspi->pTxBuffPtr = NULL;
hspi->TxXferSize = 0;
hspi->TxXferCount = 0;
@@ -1438,7 +1446,7 @@
if((hspi->State == HAL_SPI_STATE_READY) ||
((hspi->Init.Mode == SPI_MODE_MASTER) && (hspi->Init.Direction == SPI_DIRECTION_2LINES) && (hspi->State == HAL_SPI_STATE_BUSY_RX)))
{
- if((pTxData == HAL_NULL ) || (pRxData == HAL_NULL ) || (Size == 0))
+ if((pTxData == NULL ) || (pRxData == NULL ) || (Size == 0))
{
return HAL_ERROR;
}
@@ -1533,9 +1541,9 @@
/* Enable the Rx DMA channel */
HAL_DMA_Start_IT(hspi->hdmarx, (uint32_t)&hspi->Instance->DR, (uint32_t) hspi->pRxBuffPtr, hspi->RxXferCount);
- /* Set the SPI Tx DMA transfer complete callback as HAL_NULL because the communication closing
+ /* Set the SPI Tx DMA transfer complete callback as NULL because the communication closing
is performed in DMA reception complete callback */
- hspi->hdmatx->XferCpltCallback = HAL_NULL;
+ hspi->hdmatx->XferCpltCallback = NULL;
/* Set the DMA error callback */
hspi->hdmatx->XferErrorCallback = SPI_DMAError;
@@ -1691,10 +1699,13 @@
if(hspi->Init.DataSize > SPI_DATASIZE_8BIT)
{
tmpreg = hspi->Instance->DR;
+ UNUSED(tmpreg); /* To avoid GCC warning */
}
else
{
tmpreg = *(__IO uint8_t *)&hspi->Instance->DR;
+ UNUSED(tmpreg); /* To avoid GCC warning */
+
if(hspi->Init.CRCLength == SPI_CRC_LENGTH_16BIT)
{
if(SPI_WaitFlagStateUntilTimeout(hspi, SPI_FLAG_RXNE, SPI_FLAG_RXNE, SPI_DEFAULT_TIMEOUT) != HAL_OK)
@@ -1703,6 +1714,7 @@
hspi->ErrorCode|= HAL_SPI_ERROR_CRC;
}
tmpreg = *(__IO uint8_t *)&hspi->Instance->DR;
+ UNUSED(tmpreg); /* To avoid GCC warning */
}
}
}
@@ -1760,6 +1772,7 @@
hspi->ErrorCode|= HAL_SPI_ERROR_CRC;
}
tmpreg = *(__IO uint8_t *)&hspi->Instance->DR;
+ UNUSED(tmpreg); /* To avoid GCC warning */
}
else
{
@@ -1769,6 +1782,7 @@
hspi->ErrorCode|= HAL_SPI_ERROR_CRC;
}
tmpreg = hspi->Instance->DR;
+ UNUSED(tmpreg); /* To avoid GCC warning */
}
}
@@ -1963,6 +1977,8 @@
__IO uint8_t tmpreg;
tmpreg = *((__IO uint8_t *)&hspi->Instance->DR);
+ UNUSED(tmpreg); /* To avoid GCC warning */
+
hspi->CRCSize--;
/* check end of the reception */
@@ -2053,6 +2069,7 @@
__IO uint16_t tmpreg;
/* Receive data in 16 Bit mode */
tmpreg = hspi->Instance->DR;
+ UNUSED(tmpreg); /* To avoid GCC warning */
/* Disable RXNE interrupt */
__HAL_SPI_DISABLE_IT(hspi, SPI_IT_RXNE);
@@ -2096,6 +2113,8 @@
{
__IO uint8_t tmpreg;
tmpreg = *((__IO uint8_t*)&hspi->Instance->DR);
+ UNUSED(tmpreg); /* To avoid GCC warning */
+
hspi->CRCSize--;
if(hspi->CRCSize == 0)
@@ -2139,6 +2158,7 @@
__IO uint16_t tmpreg;
tmpreg = hspi->Instance->DR;
+ UNUSED(tmpreg); /* To avoid GCC warning */
/* Disable RXNE and ERR interrupt */
__HAL_SPI_DISABLE_IT(hspi, (SPI_IT_RXNE | SPI_IT_ERR));
@@ -2283,6 +2303,7 @@
if((Flag == SPI_SR_FRLVL) && (State == SPI_FRLVL_EMPTY))
{
tmpreg = *((__IO uint8_t*)&hspi->Instance->DR);
+ UNUSED(tmpreg); /* To avoid GCC warning */
}
if(Timeout != HAL_MAX_DELAY)
{
