[HAL][CAN] Add 'const' qualifier to comply to MISRA-C rule 8.13
diff --git a/Inc/stm32f4xx_hal_can.h b/Inc/stm32f4xx_hal_can.h
index aa4a40d..cf4557b 100644
--- a/Inc/stm32f4xx_hal_can.h
+++ b/Inc/stm32f4xx_hal_can.h
@@ -102,21 +102,25 @@
{
uint32_t FilterIdHigh; /*!< Specifies the filter identification number (MSBs for a 32-bit
configuration, first one for a 16-bit configuration).
- This parameter must be a number between Min_Data = 0x0000 and Max_Data = 0xFFFF. */
+ This parameter must be a number between
+ Min_Data = 0x0000 and Max_Data = 0xFFFF. */
uint32_t FilterIdLow; /*!< Specifies the filter identification number (LSBs for a 32-bit
configuration, second one for a 16-bit configuration).
- This parameter must be a number between Min_Data = 0x0000 and Max_Data = 0xFFFF. */
+ This parameter must be a number between
+ Min_Data = 0x0000 and Max_Data = 0xFFFF. */
uint32_t FilterMaskIdHigh; /*!< Specifies the filter mask number or identification number,
according to the mode (MSBs for a 32-bit configuration,
first one for a 16-bit configuration).
- This parameter must be a number between Min_Data = 0x0000 and Max_Data = 0xFFFF. */
+ This parameter must be a number between
+ Min_Data = 0x0000 and Max_Data = 0xFFFF. */
uint32_t FilterMaskIdLow; /*!< Specifies the filter mask number or identification number,
according to the mode (LSBs for a 32-bit configuration,
second one for a 16-bit configuration).
- This parameter must be a number between Min_Data = 0x0000 and Max_Data = 0xFFFF. */
+ This parameter must be a number between
+ Min_Data = 0x0000 and Max_Data = 0xFFFF. */
uint32_t FilterFIFOAssignment; /*!< Specifies the FIFO (0 or 1U) which will be assigned to the filter.
This parameter can be a value of @ref CAN_filter_FIFO */
@@ -294,11 +298,11 @@
#define HAL_CAN_ERROR_RX_FOV0 (0x00000200U) /*!< Rx FIFO0 overrun error */
#define HAL_CAN_ERROR_RX_FOV1 (0x00000400U) /*!< Rx FIFO1 overrun error */
#define HAL_CAN_ERROR_TX_ALST0 (0x00000800U) /*!< TxMailbox 0 transmit failure due to arbitration lost */
-#define HAL_CAN_ERROR_TX_TERR0 (0x00001000U) /*!< TxMailbox 0 transmit failure due to transmit error */
+#define HAL_CAN_ERROR_TX_TERR0 (0x00001000U) /*!< TxMailbox 0 transmit failure due to transmit error */
#define HAL_CAN_ERROR_TX_ALST1 (0x00002000U) /*!< TxMailbox 1 transmit failure due to arbitration lost */
-#define HAL_CAN_ERROR_TX_TERR1 (0x00004000U) /*!< TxMailbox 1 transmit failure due to transmit error */
+#define HAL_CAN_ERROR_TX_TERR1 (0x00004000U) /*!< TxMailbox 1 transmit failure due to transmit error */
#define HAL_CAN_ERROR_TX_ALST2 (0x00008000U) /*!< TxMailbox 2 transmit failure due to arbitration lost */
-#define HAL_CAN_ERROR_TX_TERR2 (0x00010000U) /*!< TxMailbox 2 transmit failure due to transmit error */
+#define HAL_CAN_ERROR_TX_TERR2 (0x00010000U) /*!< TxMailbox 2 transmit failure due to transmit error */
#define HAL_CAN_ERROR_TIMEOUT (0x00020000U) /*!< Timeout error */
#define HAL_CAN_ERROR_NOT_INITIALIZED (0x00040000U) /*!< Peripheral not initialized */
#define HAL_CAN_ERROR_NOT_READY (0x00080000U) /*!< Peripheral not ready */
@@ -329,7 +333,8 @@
#define CAN_MODE_NORMAL (0x00000000U) /*!< Normal mode */
#define CAN_MODE_LOOPBACK ((uint32_t)CAN_BTR_LBKM) /*!< Loopback mode */
#define CAN_MODE_SILENT ((uint32_t)CAN_BTR_SILM) /*!< Silent mode */
-#define CAN_MODE_SILENT_LOOPBACK ((uint32_t)(CAN_BTR_LBKM | CAN_BTR_SILM)) /*!< Loopback combined with silent mode */
+#define CAN_MODE_SILENT_LOOPBACK ((uint32_t)(CAN_BTR_LBKM | CAN_BTR_SILM)) /*!< Loopback combined with
+ silent mode */
/**
* @}
*/
@@ -644,7 +649,8 @@
#if USE_HAL_CAN_REGISTER_CALLBACKS == 1
/* Callbacks Register/UnRegister functions ***********************************/
-HAL_StatusTypeDef HAL_CAN_RegisterCallback(CAN_HandleTypeDef *hcan, HAL_CAN_CallbackIDTypeDef CallbackID, void (* pCallback)(CAN_HandleTypeDef *_hcan));
+HAL_StatusTypeDef HAL_CAN_RegisterCallback(CAN_HandleTypeDef *hcan, HAL_CAN_CallbackIDTypeDef CallbackID,
+ void (* pCallback)(CAN_HandleTypeDef *_hcan));
HAL_StatusTypeDef HAL_CAN_UnRegisterCallback(CAN_HandleTypeDef *hcan, HAL_CAN_CallbackIDTypeDef CallbackID);
#endif /* (USE_HAL_CAN_REGISTER_CALLBACKS) */
@@ -658,7 +664,7 @@
*/
/* Configuration functions ****************************************************/
-HAL_StatusTypeDef HAL_CAN_ConfigFilter(CAN_HandleTypeDef *hcan, CAN_FilterTypeDef *sFilterConfig);
+HAL_StatusTypeDef HAL_CAN_ConfigFilter(CAN_HandleTypeDef *hcan, const CAN_FilterTypeDef *sFilterConfig);
/**
* @}
@@ -674,14 +680,16 @@
HAL_StatusTypeDef HAL_CAN_Stop(CAN_HandleTypeDef *hcan);
HAL_StatusTypeDef HAL_CAN_RequestSleep(CAN_HandleTypeDef *hcan);
HAL_StatusTypeDef HAL_CAN_WakeUp(CAN_HandleTypeDef *hcan);
-uint32_t HAL_CAN_IsSleepActive(CAN_HandleTypeDef *hcan);
-HAL_StatusTypeDef HAL_CAN_AddTxMessage(CAN_HandleTypeDef *hcan, CAN_TxHeaderTypeDef *pHeader, uint8_t aData[], uint32_t *pTxMailbox);
+uint32_t HAL_CAN_IsSleepActive(const CAN_HandleTypeDef *hcan);
+HAL_StatusTypeDef HAL_CAN_AddTxMessage(CAN_HandleTypeDef *hcan, const CAN_TxHeaderTypeDef *pHeader,
+ const uint8_t aData[], uint32_t *pTxMailbox);
HAL_StatusTypeDef HAL_CAN_AbortTxRequest(CAN_HandleTypeDef *hcan, uint32_t TxMailboxes);
-uint32_t HAL_CAN_GetTxMailboxesFreeLevel(CAN_HandleTypeDef *hcan);
-uint32_t HAL_CAN_IsTxMessagePending(CAN_HandleTypeDef *hcan, uint32_t TxMailboxes);
-uint32_t HAL_CAN_GetTxTimestamp(CAN_HandleTypeDef *hcan, uint32_t TxMailbox);
-HAL_StatusTypeDef HAL_CAN_GetRxMessage(CAN_HandleTypeDef *hcan, uint32_t RxFifo, CAN_RxHeaderTypeDef *pHeader, uint8_t aData[]);
-uint32_t HAL_CAN_GetRxFifoFillLevel(CAN_HandleTypeDef *hcan, uint32_t RxFifo);
+uint32_t HAL_CAN_GetTxMailboxesFreeLevel(const CAN_HandleTypeDef *hcan);
+uint32_t HAL_CAN_IsTxMessagePending(const CAN_HandleTypeDef *hcan, uint32_t TxMailboxes);
+uint32_t HAL_CAN_GetTxTimestamp(const CAN_HandleTypeDef *hcan, uint32_t TxMailbox);
+HAL_StatusTypeDef HAL_CAN_GetRxMessage(CAN_HandleTypeDef *hcan, uint32_t RxFifo,
+ CAN_RxHeaderTypeDef *pHeader, uint8_t aData[]);
+uint32_t HAL_CAN_GetRxFifoFillLevel(const CAN_HandleTypeDef *hcan, uint32_t RxFifo);
/**
* @}
@@ -729,8 +737,8 @@
* @{
*/
/* Peripheral State and Error functions ***************************************/
-HAL_CAN_StateTypeDef HAL_CAN_GetState(CAN_HandleTypeDef *hcan);
-uint32_t HAL_CAN_GetError(CAN_HandleTypeDef *hcan);
+HAL_CAN_StateTypeDef HAL_CAN_GetState(const CAN_HandleTypeDef *hcan);
+uint32_t HAL_CAN_GetError(const CAN_HandleTypeDef *hcan);
HAL_StatusTypeDef HAL_CAN_ResetError(CAN_HandleTypeDef *hcan);
/**
@@ -806,7 +814,8 @@
#define IS_CAN_TX_MAILBOX(TRANSMITMAILBOX) (((TRANSMITMAILBOX) == CAN_TX_MAILBOX0 ) || \
((TRANSMITMAILBOX) == CAN_TX_MAILBOX1 ) || \
((TRANSMITMAILBOX) == CAN_TX_MAILBOX2 ))
-#define IS_CAN_TX_MAILBOX_LIST(TRANSMITMAILBOX) ((TRANSMITMAILBOX) <= (CAN_TX_MAILBOX0 | CAN_TX_MAILBOX1 | CAN_TX_MAILBOX2))
+#define IS_CAN_TX_MAILBOX_LIST(TRANSMITMAILBOX) ((TRANSMITMAILBOX) <= (CAN_TX_MAILBOX0 | CAN_TX_MAILBOX1 | \
+ CAN_TX_MAILBOX2))
#define IS_CAN_STDID(STDID) ((STDID) <= 0x7FFU)
#define IS_CAN_EXTID(EXTID) ((EXTID) <= 0x1FFFFFFFU)
#define IS_CAN_DLC(DLC) ((DLC) <= 8U)
diff --git a/Src/stm32f4xx_hal_can.c b/Src/stm32f4xx_hal_can.c
index 4abdc60..b9bb575 100644
--- a/Src/stm32f4xx_hal_can.c
+++ b/Src/stm32f4xx_hal_can.c
@@ -226,8 +226,8 @@
#ifdef HAL_CAN_MODULE_ENABLED
#ifdef HAL_CAN_LEGACY_MODULE_ENABLED
- #error "The CAN driver cannot be used with its legacy, Please enable only one CAN module at once"
-#endif
+#error "The CAN driver cannot be used with its legacy, Please enable only one CAN module at once"
+#endif /* HAL_CAN_LEGACY_MODULE_ENABLED */
/* Private typedef -----------------------------------------------------------*/
/* Private define ------------------------------------------------------------*/
@@ -555,7 +555,8 @@
* @param pCallback pointer to the Callback function
* @retval HAL status
*/
-HAL_StatusTypeDef HAL_CAN_RegisterCallback(CAN_HandleTypeDef *hcan, HAL_CAN_CallbackIDTypeDef CallbackID, void (* pCallback)(CAN_HandleTypeDef *_hcan))
+HAL_StatusTypeDef HAL_CAN_RegisterCallback(CAN_HandleTypeDef *hcan, HAL_CAN_CallbackIDTypeDef CallbackID,
+ void (* pCallback)(CAN_HandleTypeDef *_hcan))
{
HAL_StatusTypeDef status = HAL_OK;
@@ -835,7 +836,7 @@
* contains the filter configuration information.
* @retval None
*/
-HAL_StatusTypeDef HAL_CAN_ConfigFilter(CAN_HandleTypeDef *hcan, CAN_FilterTypeDef *sFilterConfig)
+HAL_StatusTypeDef HAL_CAN_ConfigFilter(CAN_HandleTypeDef *hcan, const CAN_FilterTypeDef *sFilterConfig)
{
uint32_t filternbrbitpos;
CAN_TypeDef *can_ip = hcan->Instance;
@@ -1216,7 +1217,7 @@
* - 0 : Sleep mode is not active.
* - 1 : Sleep mode is active.
*/
-uint32_t HAL_CAN_IsSleepActive(CAN_HandleTypeDef *hcan)
+uint32_t HAL_CAN_IsSleepActive(const CAN_HandleTypeDef *hcan)
{
uint32_t status = 0U;
HAL_CAN_StateTypeDef state = hcan->State;
@@ -1247,7 +1248,8 @@
* This parameter can be a value of @arg CAN_Tx_Mailboxes.
* @retval HAL status
*/
-HAL_StatusTypeDef HAL_CAN_AddTxMessage(CAN_HandleTypeDef *hcan, CAN_TxHeaderTypeDef *pHeader, uint8_t aData[], uint32_t *pTxMailbox)
+HAL_StatusTypeDef HAL_CAN_AddTxMessage(CAN_HandleTypeDef *hcan, const CAN_TxHeaderTypeDef *pHeader,
+ const uint8_t aData[], uint32_t *pTxMailbox)
{
uint32_t transmitmailbox;
HAL_CAN_StateTypeDef state = hcan->State;
@@ -1404,7 +1406,7 @@
* the configuration information for the specified CAN.
* @retval Number of free Tx Mailboxes.
*/
-uint32_t HAL_CAN_GetTxMailboxesFreeLevel(CAN_HandleTypeDef *hcan)
+uint32_t HAL_CAN_GetTxMailboxesFreeLevel(const CAN_HandleTypeDef *hcan)
{
uint32_t freelevel = 0U;
HAL_CAN_StateTypeDef state = hcan->State;
@@ -1447,7 +1449,7 @@
* - 1 : Pending transmission request on at least one of the selected
* Tx Mailbox.
*/
-uint32_t HAL_CAN_IsTxMessagePending(CAN_HandleTypeDef *hcan, uint32_t TxMailboxes)
+uint32_t HAL_CAN_IsTxMessagePending(const CAN_HandleTypeDef *hcan, uint32_t TxMailboxes)
{
uint32_t status = 0U;
HAL_CAN_StateTypeDef state = hcan->State;
@@ -1479,7 +1481,7 @@
* This parameter can be one value of @arg CAN_Tx_Mailboxes.
* @retval Timestamp of message sent from Tx Mailbox.
*/
-uint32_t HAL_CAN_GetTxTimestamp(CAN_HandleTypeDef *hcan, uint32_t TxMailbox)
+uint32_t HAL_CAN_GetTxTimestamp(const CAN_HandleTypeDef *hcan, uint32_t TxMailbox)
{
uint32_t timestamp = 0U;
uint32_t transmitmailbox;
@@ -1513,7 +1515,8 @@
* @param aData array where the payload of the Rx frame will be stored.
* @retval HAL status
*/
-HAL_StatusTypeDef HAL_CAN_GetRxMessage(CAN_HandleTypeDef *hcan, uint32_t RxFifo, CAN_RxHeaderTypeDef *pHeader, uint8_t aData[])
+HAL_StatusTypeDef HAL_CAN_GetRxMessage(CAN_HandleTypeDef *hcan, uint32_t RxFifo,
+ CAN_RxHeaderTypeDef *pHeader, uint8_t aData[])
{
HAL_CAN_StateTypeDef state = hcan->State;
@@ -1554,7 +1557,8 @@
}
else
{
- pHeader->ExtId = ((CAN_RI0R_EXID | CAN_RI0R_STID) & hcan->Instance->sFIFOMailBox[RxFifo].RIR) >> CAN_RI0R_EXID_Pos;
+ pHeader->ExtId = ((CAN_RI0R_EXID | CAN_RI0R_STID) &
+ hcan->Instance->sFIFOMailBox[RxFifo].RIR) >> CAN_RI0R_EXID_Pos;
}
pHeader->RTR = (CAN_RI0R_RTR & hcan->Instance->sFIFOMailBox[RxFifo].RIR);
pHeader->DLC = (CAN_RDT0R_DLC & hcan->Instance->sFIFOMailBox[RxFifo].RDTR) >> CAN_RDT0R_DLC_Pos;
@@ -1603,7 +1607,7 @@
* This parameter can be a value of @arg CAN_receive_FIFO_number.
* @retval Number of messages available in Rx FIFO.
*/
-uint32_t HAL_CAN_GetRxFifoFillLevel(CAN_HandleTypeDef *hcan, uint32_t RxFifo)
+uint32_t HAL_CAN_GetRxFifoFillLevel(const CAN_HandleTypeDef *hcan, uint32_t RxFifo)
{
uint32_t filllevel = 0U;
HAL_CAN_StateTypeDef state = hcan->State;
@@ -2371,7 +2375,7 @@
* the configuration information for the specified CAN.
* @retval HAL state
*/
-HAL_CAN_StateTypeDef HAL_CAN_GetState(CAN_HandleTypeDef *hcan)
+HAL_CAN_StateTypeDef HAL_CAN_GetState(const CAN_HandleTypeDef *hcan)
{
HAL_CAN_StateTypeDef state = hcan->State;
@@ -2406,7 +2410,7 @@
* the configuration information for the specified CAN.
* @retval CAN Error Code
*/
-uint32_t HAL_CAN_GetError(CAN_HandleTypeDef *hcan)
+uint32_t HAL_CAN_GetError(const CAN_HandleTypeDef *hcan)
{
/* Return CAN error code */
return hcan->ErrorCode;
