/**
* @brief Configure TIM1 peripheral
* @param None
* @retval None
*/
static void TIM1_Config(void)
{
/* configure TIM1 channel 1 to capture a PWM signal */
TIM1_PWMIConfig(TIM1_Channel_1, TIM1_ICPolarity_Rising, TIM1_ICSelection_DirectTI,
TIM1_ICPSC_DIV1, ICFilter);
/* Select the TIM1 Input Trigger: TI1FP1 */
TIM1_SelectInputTrigger(TIM1_TRGSelection_TI1FP1);
TIM1_SelectSlaveMode(TIM1_SlaveMode_Reset);
/* Enable CC1 interrupt request */
TIM1_ITConfig(TIM1_IT_CC1, ENABLE);
enableInterrupts();
/* Enable TIM1 */
TIM1_Cmd(ENABLE);
}
/* Configures the used Timers. ----------------------------------------------*/
void TIM_Configuration(void)
{
TIM_TimeBaseInitTypeDef TIM_TimeBaseStructure;
TIM_OCInitTypeDef TIM_OCInitStructure2;
TIM_OCInitTypeDef TIM_OCInitStructure3;
TIM_OCInitTypeDef TIM_OCInitStructure8;
/* TIM2 configuration for LED -------------------------------------------*/
TIM_TimeBaseStructure.TIM_Period = 0x12B; //299
TIM_TimeBaseStructure.TIM_Prescaler = 0xEA5F; //59999
TIM_TimeBaseStructure.TIM_ClockDivision = 0x0;
TIM_TimeBaseStructure.TIM_CounterMode = TIM_CounterMode_Up;
TIM_TimeBaseInit(TIM2, &TIM_TimeBaseStructure);
/* Outoput Compare Init */
TIM_OCStructInit(&TIM_OCInitStructure2);
/* Output Compare Timing Mode configuration: Channel1 */
TIM_OCInitStructure2.TIM_OCMode = TIM_OCMode_Timing;
TIM_OCInitStructure2.TIM_Pulse = 0x0;
TIM_OCInit(TIM2, &TIM_OCInitStructure2);
/* TIM2 enable counter */
TIM_Cmd(TIM2, ENABLE);
/* Immediate load of TIM2 Precaler value */
TIM_PrescalerConfig(TIM2, 0xEA5F, TIM_PSCReloadMode_Immediate);
/* Clear TIM2 update pending flag */
TIM_ClearFlag(TIM2, TIM_FLAG_Update);
/* Enable TIM2 Update interrupt */
TIM_ITConfig(TIM2, TIM_IT_Update, ENABLE);
/* TIM3 configuration for Statemachine (main control loop) --------------*/
TIM_TimeBaseStructure.TIM_Period = 1000; //alle 1ms
TIM_TimeBaseStructure.TIM_Prescaler = 0x48; //72
TIM_TimeBaseStructure.TIM_ClockDivision = 0x0;
TIM_TimeBaseStructure.TIM_CounterMode = TIM_CounterMode_Up;
TIM_TimeBaseInit(TIM3, &TIM_TimeBaseStructure);
/* Outoput Compare Init */
TIM_OCStructInit(&TIM_OCInitStructure3);
/* Output Compare Timing Mode configuration: Channel1 */
TIM_OCInitStructure3.TIM_OCMode = TIM_OCMode_Timing;
TIM_OCInitStructure3.TIM_Pulse = 0x0;
TIM_OCInit(TIM3, &TIM_OCInitStructure3);
/* TIM3 enable counter */
TIM_Cmd(TIM3, ENABLE);
/* Immediate load of TIM3 Precaler value */
TIM_PrescalerConfig(TIM3, 0x48, TIM_PSCReloadMode_Immediate);
/* Clear TIM3 update pending flag */
TIM_ClearFlag(TIM3, TIM_FLAG_Update);
/* Enable TIM3 Update interrupt */
// enable in main after powerup
//TIM_ITConfig(TIM3, TIM_IT_Update, ENABLE);
/* Timer for PPM decode ---------------------------------------------------*/
TIM1_ICInitTypeDef TIM1_ICInitStructure;
//TIM_ICInitStructure.TIM_ICMode = TIM_ICMode_ICAP;
#ifndef PPM_PA11
TIM1_ICInitStructure.TIM1_Channel = TIM1_Channel_1; //Pin: PA8
#else
TIM1_ICInitStructure.TIM1_Channel = TIM1_Channel_4; //Pin: PA11
#endif
TIM1_ICInitStructure.TIM1_ICPolarity = TIM1_ICPolarity_Falling;
TIM1_ICInitStructure.TIM1_ICSelection = TIM1_ICSelection_DirectTI;
TIM1_ICInitStructure.TIM1_ICPrescaler = TIM1_ICPSC_DIV1;
TIM1_ICInitStructure.TIM1_ICFilter = 0x0;
TIM1_ICInit(&TIM1_ICInitStructure);
TIM1_SelectInputTrigger(TIM1_TS_TI2FP2);
TIM1_InternalClockConfig();
TIM1_TimeBaseInitTypeDef TIM1_TimeBaseStructure;
TIM1_TimeBaseStructure.TIM1_Period = 0xFFFF;
TIM1_TimeBaseStructure.TIM1_Prescaler = 17; // fCK_PSC / (17 + 1) 1ms = 4000
TIM1_TimeBaseStructure.TIM1_ClockDivision = TIM1_CKD_DIV1;
TIM1_TimeBaseStructure.TIM1_CounterMode = TIM1_CounterMode_Up;
TIM1_TimeBaseInit(& TIM1_TimeBaseStructure);
/* TIM enable counter */
TIM1_Cmd(ENABLE);
/* Enable the CC1 Interrupt Request */
#ifndef PPM_PA11
TIM1_ITConfig(TIM_IT_CC1, ENABLE);
#else
TIM1_ITConfig(TIM_IT_CC4, ENABLE);
#endif
/* Timer for Servo 0-3 --------------------------------------------------*/
/* Time base configuration */
TIM_TimeBaseStructure.TIM_Period = 5999;
TIM_TimeBaseStructure.TIM_Prescaler = 72;
TIM_TimeBaseStructure.TIM_ClockDivision = 0;
TIM_TimeBaseStructure.TIM_CounterMode = TIM_CounterMode_Up;
TIM_TimeBaseInit(TIM8, &TIM_TimeBaseStructure);
/* PWM1 Mode configuration: Channel1 */
TIM_OCInitStructure8.TIM_OCMode = TIM_OCMode_PWM1;
TIM_OCInitStructure8.TIM_OutputState = TIM_OutputState_Enable;
TIM_OCInitStructure8.TIM_Channel = TIM_Channel_1;
TIM_OCInitStructure8.TIM_Pulse = 1500;
TIM_OCInitStructure8.TIM_OCPolarity = TIM_OCPolarity_High; // maybee it works with TIM_OCPolarity_LOW???
TIM_OCInit(TIM8, &TIM_OCInitStructure8);
TIM_OC1PreloadConfig(TIM8, TIM_OCPreload_Enable);
/* PWM1 Mode configuration: Channel2 */
TIM_OCInitStructure8.TIM_OutputState = TIM_OutputState_Enable;
TIM_OCInitStructure8.TIM_Channel = TIM_Channel_2;
TIM_OCInitStructure8.TIM_Pulse = 1500;
TIM_OCInit(TIM8, &TIM_OCInitStructure8);
TIM_OC2PreloadConfig(TIM8, TIM_OCPreload_Enable);
/* PWM1 Mode configuration: Channel3 */
TIM_OCInitStructure8.TIM_OutputState = TIM_OutputState_Enable;
TIM_OCInitStructure8.TIM_Channel = TIM_Channel_3;
TIM_OCInitStructure8.TIM_Pulse = 1500;
TIM_OCInit(TIM8, &TIM_OCInitStructure8);
TIM_OC3PreloadConfig(TIM8, TIM_OCPreload_Enable);
/* PWM1 Mode configuration: Channel4 */
TIM_OCInitStructure8.TIM_OutputState = TIM_OutputState_Enable;
TIM_OCInitStructure8.TIM_Channel = TIM_Channel_4;
TIM_OCInitStructure8.TIM_Pulse = 1500;
TIM_OCInit(TIM8, &TIM_OCInitStructure8);
TIM_OC4PreloadConfig(TIM8, TIM_OCPreload_Enable);
TIM_ARRPreloadConfig(TIM8, ENABLE);
/* Enable the TIM Main Output only needed for timer 1 and 8*/
TIM8->BDTR |= ((u16)0x8000); //BDTR_MOE_Set;
/* TIM8 enable counter */
TIM_Cmd(TIM8, ENABLE);
/* Immediate load of TIM8 Precaler value */
//TIM_PrescalerConfig(TIM8, 72, TIM_PSCReloadMode_Immediate);
/* Clear TIM8 update pending flag */
//TIM_ClearFlag(TIM8, TIM_FLAG_Update);
}
