/** * @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); }