/**
* @brief Enables or disables the specified CAN interrupts.
* @param CANx: where x can be 1 to select the CAN peripheral.
* @param CAN_IT: specifies the CAN interrupt sources to be enabled or
* disabled.
* This parameter can be: CAN_IT_TME, CAN_IT_FMP0, CAN_IT_FF0,
* CAN_IT_FOV0, CAN_IT_FMP1, CAN_IT_FF1,
* CAN_IT_FOV1, CAN_IT_EWG, CAN_IT_EPV,
* CAN_IT_LEC, CAN_IT_ERR, CAN_IT_WKU or
* CAN_IT_SLK.
* @param Newstate: new state of the CAN interrupts.
* This parameter can be: ENABLE or DISABLE.
* @retval : None.
*/
void CAN_ITConfig(CAN_TypeDef* CANx, uint32_t CAN_IT, FunctionalState Newstate)
{
/* Check the parameters */
assert_param(IS_CAN_ALL_PERIPH(CANx));
assert_param(IS_CAN_ITConfig(CAN_IT));
assert_param(IS_FUNCTIONAL_STATE(Newstate));
if (Newstate != DISABLE) {
/* Enable the selected CAN interrupt */
CANx->IER |= CAN_IT;
} else {
/* Disable the selected CAN interrupt */
CANx->IER &= ~CAN_IT;
}
}
/**
* @brief Enables or disables the specified CAN interrupts.
* @param CANx: Select the CAN peripheral.
* This parameter can be one of the following values:
* CAN1, CAN2.
* @param CAN_IT: specifies the CAN interrupt sources to be enabled or disabled.
* This parameter can be: CAN_IT_GLBINTEN, CAN_IT_RXINTEN, CAN_IT_TXINTEN,
* CAN_IT_ERRINTEN or CAN_IT_ERROVERINTEN.
* @param NewState: new state of the CAN interrupts.
* This parameter can be: ENABLE or DISABLE.
* @retval None.
*/
void CAN_ITConfig(MDR_CAN_TypeDef* CANx, uint32_t CAN_IT, FunctionalState NewState)
{
/* Check the parameters */
assert_param(IS_CAN_ALL_PERIPH(CANx));
assert_param(IS_CAN_ITConfig(CAN_IT));
assert_param(IS_FUNCTIONAL_STATE(NewState));
if (NewState != DISABLE)
{
CANx->INT_EN |= CAN_IT;
}
else
{
CANx->INT_EN &= ~CAN_IT;
}
}
/*******************************************************************************
* Function Name : CAN_ITConfig
* Description : Enables or disables the specified CAN interrupts.
* Input : - CAN_IT: specifies the CAN interrupt sources to be enabled or
* disabled.
* This parameter can be: CAN_IT_TME, CAN_IT_FMP0, CAN_IT_FF0,
* CAN_IT_FOV0, CAN_IT_FMP1, CAN_IT_FF1,
* CAN_IT_FOV1, CAN_IT_EWG, CAN_IT_EPV,
* CAN_IT_LEC, CAN_IT_ERR, CAN_IT_WKU or
* CAN_IT_SLK.
* - NewState: new state of the CAN interrupts.
* This parameter can be: ENABLE or DISABLE.
* Output : None.
* Return : None.
*******************************************************************************/
void CAN_ITConfig(u32 CAN_IT, FunctionalState NewState)
{
/* Check the parameters */
assert_param(IS_CAN_ITConfig(CAN_IT));
assert_param(IS_FUNCTIONAL_STATE(NewState));
if (NewState != DISABLE)
{
/* Enable the selected CAN interrupt */
CAN->IER |= CAN_IT;
}
else
{
/* Disable the selected CAN interrupt */
CAN->IER &= ~CAN_IT;
}
}
/**
* @brief Checks whether the specified CAN interrupt enable or disable.
* @param CANx: Select the CAN peripheral.
* This parameter can be one of the following values:
* CAN1, CAN2.
* @param CAN_IT: specifies the CAN interrupt sources to be enabled or disabled.
* This parameter can be: CAN_IT_GLBINTEN, CAN_IT_RXINTEN, CAN_IT_TXINTEN,
* CAN_IT_ERRINTEN or CAN_IT_ERROVERINTEN.
* @retval The state of CAN_IT (SET or RESET).
*/
ITStatus CAN_GetITState(MDR_CAN_TypeDef* CANx, uint32_t CAN_IT)
{
ITStatus bitstatus;
/* Check the parameters */
assert_param(IS_CAN_ALL_PERIPH(CANx));
assert_param(IS_CAN_ITConfig(CAN_IT));
if ((CANx->INT_EN & CAN_IT) == 0)
{
bitstatus = RESET;
}
else
{
bitstatus = SET;
}
return bitstatus;
}
