static void TIM2_Config(void)
{
/* Enable TIM2 CLK */
CLK_PeripheralClockConfig(CLK_Peripheral_TIM2, ENABLE);
/* Capture only every 8 events!!! */
/* Enable capture of TIM2 */
TIM2_ICInit(TIM2_Channel_1, TIM2_ICPolarity_Falling, TIM2_ICSelection_DirectTI, TIM2_ICPSC_Div8, 0);
/* Enable timer1 */
TIM2_Cmd(ENABLE);
/* Config Channel 1 pin*/
GPIO_Init(GPIOB, GPIO_Pin_0, GPIO_Mode_In_PU_No_IT);
/* Clear CC1 Flag*/
TIM2_ClearFlag(TIM2_FLAG_CC1);
/* wait a Capture on CC1 */
while((TIM2->SR1 & TIM2_FLAG_CC1) != TIM2_FLAG_CC1);
/* Get CCR1 value*/
ICValue1 = TIM2_GetCapture1();
/* Clear CC1 Flag*/
TIM2_ClearFlag(TIM2_FLAG_CC1);
/* wait a capture on cc1 */
while((TIM2->SR1 & TIM2_FLAG_CC1) != TIM2_FLAG_CC1);
/* Get CCR1 value*/
ICValue2 = TIM2_GetCapture1();
TIM2_ClearFlag(TIM2_FLAG_CC1);
}
}
#endif
/**
* @brief Timer2 Capture/Compare Interrupt routine.
* @param None
* @retval None
*/
INTERRUPT_HANDLER(TIM2_CAP_IRQHandler, 20)
{
/* - cap_rise - timer value on rising edge
- cap_fall - timer value on falling edge
- timer is reset on falling edge */
if(TIM2_GetITStatus(TIM2_IT_CC1) == SET)
{
cap_rise = TIM2_GetCapture1();
FLAG_rise_edge = TRUE;
}
else FLAG_rise_edge = FALSE;
if(TIM2_GetITStatus(TIM2_IT_CC2) == SET)
{
cap_fall = TIM2_GetCapture2();
FLAG_fall_edge = TRUE;
}
else FLAG_fall_edge = FALSE;
if(FLAG_rise_edge && FLAG_fall_edge)
{
FLAG_CC_Error = TRUE;
}
// capture logging
/*if(!FLAG_markfirst)
* @par Parameters:
* None
* @retval
* None
*/
#ifdef _COSMIC_
@far @interrupt void TIM2_CAP_COM_IRQHandler(void)
#else /* _RAISONANCE_ */
void TIM2_CAP_COM_IRQHandler(void) interrupt 14
#endif /* _COSMIC_ */
{
/* TIM2_CH1 toggling */
if (TIM2_GetITStatus(TIM2_IT_CC1) != RESET)
{
TIM2_ClearITPendingBit(TIM2_IT_CC1 );
capture = TIM2_GetCapture1();
TIM2_SetCompare1(capture + CCR1_Val);
}
/* TIM2_CH2 toggling */
if (TIM2_GetITStatus(TIM2_IT_CC2) != RESET)
{
TIM2_ClearITPendingBit(TIM2_IT_CC2);
capture = TIM2_GetCapture2();
TIM2_SetCompare2(capture + CCR2_Val);
}
/* TIM2_CH3 toggling */
if (TIM2_GetITStatus(TIM2_IT_CC3) != RESET)
{
TIM2_ClearITPendingBit(TIM2_IT_CC3);
