/**
* @brief Gets the CEC flag status
* @param CEC_FLAG: specifies the CEC flag to check.
* This parameter can be one of the following values:
* @arg CEC_FLAG_BTE: Bit Timing Error
* @arg CEC_FLAG_BPE: Bit Period Error
* @arg CEC_FLAG_RBTFE: Rx Block Transfer Finished Error
* @arg CEC_FLAG_SBE: Start Bit Error
* @arg CEC_FLAG_ACKE: Block Acknowledge Error
* @arg CEC_FLAG_LINE: Line Error
* @arg CEC_FLAG_TBTFE: Tx Block Transfer Finished Error
* @arg CEC_FLAG_TEOM: Tx End Of Message
* @arg CEC_FLAG_TERR: Tx Error
* @arg CEC_FLAG_TBTRF: Tx Byte Transfer Request or Block Transfer Finished
* @arg CEC_FLAG_RSOM: Rx Start Of Message
* @arg CEC_FLAG_REOM: Rx End Of Message
* @arg CEC_FLAG_RERR: Rx Error
* @arg CEC_FLAG_RBTF: Rx Byte/Block Transfer Finished
* @retval The new state of CEC_FLAG (SET or RESET)
*/
FlagStatus CEC_GetFlagStatus(uint32_t CEC_FLAG)
{
FlagStatus bitstatus = RESET;
uint32_t cecreg = 0, cecbase = 0;
/* Check the parameters */
assert_param(IS_CEC_GET_FLAG(CEC_FLAG));
/* Get the CEC peripheral base address */
cecbase = (uint32_t)(CEC_BASE);
/* Read flag register index */
cecreg = CEC_FLAG >> 28;
/* Get bit[23:0] of the flag */
CEC_FLAG &= FLAG_Mask;
if(cecreg != 0)
{
/* Flag in CEC ESR Register */
CEC_FLAG = (uint32_t)(CEC_FLAG >> 16);
/* Get the CEC ESR register address */
cecbase += 0xC;
}
/**
* @brief Gets the CEC flag status.
* @param CEC_FLAG: specifies the CEC flag to check.
* This parameter can be one of the following values:
* @arg CEC_FLAG_TXACKE: Tx Missing acknowledge Error
* @arg CEC_FLAG_TXERR: Tx Error.
* @arg CEC_FLAG_TXUDR: Tx-Buffer Underrun.
* @arg CEC_FLAG_TXEND: End of transmission (successful transmission of the last byte).
* @arg CEC_FLAG_TXBR: Tx-Byte Request.
* @arg CEC_FLAG_ARBLST: Arbitration Lost
* @arg CEC_FLAG_RXACKE: Rx-Missing Acknowledge
* @arg CEC_FLAG_LBPE: Rx Long period Error
* @arg CEC_FLAG_SBPE: Rx Short period Error
* @arg CEC_FLAG_BRE: Rx Bit Rissing Error
* @arg CEC_FLAG_RXOVR: Rx Overrun.
* @arg CEC_FLAG_RXEND: End Of Reception.
* @arg CEC_FLAG_RXBR: Rx-Byte Received.
* @retval The new state of CEC_FLAG (SET or RESET)
*/
FlagStatus CEC_GetFlagStatus(uint16_t CEC_FLAG)
{
FlagStatus bitstatus = RESET;
assert_param(IS_CEC_GET_FLAG(CEC_FLAG));
/* Check the status of the specified CEC flag */
if ((CEC->ISR & CEC_FLAG) != (uint16_t)RESET)
{
/* CEC flag is set */
bitstatus = SET;
}
else
{
/* CEC flag is reset */
bitstatus = RESET;
}
/* Return the CEC flag status */
return bitstatus;
}
