/**
* @brief This function handles EXTI Lines 4 to 15 interrupts requests.
* @param None
* @retval None
*/
void EXTI4_15_IRQHandler(void)
{
STM_EVAL_LEDOff(LED1);
STM_EVAL_LEDOff(LED2);
STM_EVAL_LEDOff(LED3);
STM_EVAL_LEDOff(LED4);
/* Generate rising edge on Joystick button to detect when we push Joystick button to initiate
transmission */
if(EXTI_GetITStatus(RIGHT_BUTTON_EXTI_LINE) != RESET)
{
/* Build the Header block to send */
HeaderBlockValueToSend = (((MyLogicalAddress1 & 0xF) << 4)|(MyFollowerAddress1 & 0xF));
/* Clear RIGHT Button EXTI line pending bit */
EXTI_ClearITPendingBit(RIGHT_BUTTON_EXTI_LINE);
}
else if(EXTI_GetITStatus(LEFT_BUTTON_EXTI_LINE) != RESET)
{
/* Build the Header block to send */
HeaderBlockValueToSend = (((MyLogicalAddress1 & 0xF) << 4)|(MyFollowerAddress2 & 0xF));
/* Clear LEFT Button EXTI line pending bit */
EXTI_ClearITPendingBit(LEFT_BUTTON_EXTI_LINE);
}
/* Write single Data in the TX Buffer to Transmit through the CEC peripheral */
CEC_SendData(HeaderBlockValueToSend);
/* Initiate Message Transmission */
CEC_StartOfMessage();
}
/**
* @brief This function handles EXTI Lines 4 to 15 interrupts requests.
* @param None
* @retval None
*/
void EXTI4_15_IRQHandler(void)
{
for (send_inc=0;send_inc<10;send_inc++)
{
TransmitBuffer[send_inc]=0;
}
send_inc =0;
STM_EVAL_LEDOff(LED1);
STM_EVAL_LEDOff(LED2);
STM_EVAL_LEDOff(LED3);
STM_EVAL_LEDOff(LED4);
/* Generate rising edge on Joystick button to detect when we push Joystick button to initiate
transmission */
if(EXTI_GetITStatus(RIGHT_BUTTON_EXTI_LINE) != RESET)
{
TransmitBuffer[send_inc++] = 0x46;
ByteNumber = 0x02;
/* Clear RIGHT Button EXTI line pending bit */
EXTI_ClearITPendingBit(RIGHT_BUTTON_EXTI_LINE);
}
else if(EXTI_GetITStatus(LEFT_BUTTON_EXTI_LINE) != RESET)
{
TransmitBuffer[send_inc++] = 0x9F;
ByteNumber = 0x02;
/* Clear LEFT Button EXTI line pending bit */
EXTI_ClearITPendingBit(LEFT_BUTTON_EXTI_LINE);
}
else
if(EXTI_GetITStatus(UP_BUTTON_EXTI_LINE) != RESET)
{
TransmitBuffer[send_inc++] = 0x44;
TransmitBuffer[send_inc++] = 0x41;
ByteNumber = 0x03;
/* Clear UP Button EXTI line pending bit */
EXTI_ClearITPendingBit(UP_BUTTON_EXTI_LINE);
}
else if(EXTI_GetITStatus(DOWN_BUTTON_EXTI_LINE) != RESET)
{
TransmitBuffer[send_inc++] = 0x44;
TransmitBuffer[send_inc++] = 0x42;
ByteNumber = 0x03;
/* Clear DOWN Button EXTI line pending bit */
EXTI_ClearITPendingBit(DOWN_BUTTON_EXTI_LINE);
}
send_inc =0;
/* Write single Data in the TX Buffer to Transmit through the CEC peripheral */
CEC_SendData(HeaderBlockValueToSend);
/* Initiate Message Transmission */
CEC_StartOfMessage();
}
/**
* @brief This function handles EXTI4_15 interrupt request.
* @param None
* @retval None
*/
void EXTI4_15_IRQHandler(void)
{
/* Get the button interrupt bit state */
if(EXTI_GetIntBitState(EXTI_LINE7) != RESET)
{
ByteNumber = 2;
CEC_SendData(0x12);
SendBuffer = TransmitBuffer1;
CEC_StartOfMessage();
EXTI_ClearIntBitState(EXTI_LINE7);
}
/* Get the button interrupt bit state */
else if(EXTI_GetIntBitState(EXTI_LINE13) != RESET)
{
ByteNumber = 2;
CEC_SendData(0x12);
SendBuffer = TransmitBuffer2;
CEC_StartOfMessage();
EXTI_ClearIntBitState(EXTI_LINE13);
}
}
/**
* @brief This function handles External lines 15 to 10 interrupt request.
* @param None
* @retval None
*/
void EXTI15_10_IRQHandler(void)
{
if(EXTI_GetITStatus(EXTI_Line13) != RESET)
{
Tab_Tx[0] = 0x44;
Tab_Tx[1] = 0x42;
TxSize = 0x03;
EXTI_ClearITPendingBit(EXTI_Line13);
}
/* Write single Data in the TX Buffer to Transmit through the CEC peripheral */
CEC_SendData(HeaderBlockValueToSend);
/* Initiate Message Transmission */
CEC_StartOfMessage();
}
