/********************************** (C) COPYRIGHT ******************************* * File Name : ch32v10x_tim.c * Author : WCH * Version : V1.0.0 * Date : 2020/04/30 * Description : This file provides all the TIM firmware functions. *******************************************************************************/ #include "ch32v10x_tim.h" #include "ch32v10x_rcc.h" /* TIM registers bit mask */ #define SMCFGR_ETR_Mask ((uint16_t)0x00FF) #define CHCTLR_Offset ((uint16_t)0x0018) #define CCER_CCE_Set ((uint16_t)0x0001) #define CCER_CCNE_Set ((uint16_t)0x0004) static void TI1_Config(TIM_TypeDef* TIMx, uint16_t TIM_ICPolarity, uint16_t TIM_ICSelection, uint16_t TIM_ICFilter); static void TI2_Config(TIM_TypeDef* TIMx, uint16_t TIM_ICPolarity, uint16_t TIM_ICSelection, uint16_t TIM_ICFilter); static void TI3_Config(TIM_TypeDef* TIMx, uint16_t TIM_ICPolarity, uint16_t TIM_ICSelection, uint16_t TIM_ICFilter); static void TI4_Config(TIM_TypeDef* TIMx, uint16_t TIM_ICPolarity, uint16_t TIM_ICSelection, uint16_t TIM_ICFilter); /******************************************************************************* * Function Name : TIM_DeInit * Description : Deinitializes the TIMx peripheral registers to their default * reset values. * Input : TIMx: where x can be 1 to 4 to select the TIM peripheral. * Return : None *******************************************************************************/ void TIM_DeInit(TIM_TypeDef* TIMx) { if (TIMx == TIM1) { RCC_APB2PeriphResetCmd(RCC_APB2Periph_TIM1, ENABLE); RCC_APB2PeriphResetCmd(RCC_APB2Periph_TIM1, DISABLE); } else if (TIMx == TIM2) { RCC_APB1PeriphResetCmd(RCC_APB1Periph_TIM2, ENABLE); RCC_APB1PeriphResetCmd(RCC_APB1Periph_TIM2, DISABLE); } else if (TIMx == TIM3) { RCC_APB1PeriphResetCmd(RCC_APB1Periph_TIM3, ENABLE); RCC_APB1PeriphResetCmd(RCC_APB1Periph_TIM3, DISABLE); } else if (TIMx == TIM4) { RCC_APB1PeriphResetCmd(RCC_APB1Periph_TIM4, ENABLE); RCC_APB1PeriphResetCmd(RCC_APB1Periph_TIM4, DISABLE); } } /******************************************************************************* * Function Name : TIM_TimeBaseInit * Description : Initializes the TIMx Time Base Unit peripheral according to * the specified parameters in the TIM_TimeBaseInitStruct. * Input : TIMx: where x can be 1 to 4 to select the TIM peripheral. * TIM_TimeBaseInitStruct: pointer to a TIM_TimeBaseInitTypeDef * structure. * Return : None *******************************************************************************/ void TIM_TimeBaseInit(TIM_TypeDef* TIMx, TIM_TimeBaseInitTypeDef* TIM_TimeBaseInitStruct) { uint16_t tmpcr1 = 0; tmpcr1 = TIMx->CTLR1; if((TIMx == TIM1) || (TIMx == TIM2) || (TIMx == TIM3)|| (TIMx == TIM4)) { tmpcr1 &= (uint16_t)(~((uint16_t)(TIM_DIR | TIM_CMS))); tmpcr1 |= (uint32_t)TIM_TimeBaseInitStruct->TIM_CounterMode; } tmpcr1 &= (uint16_t)(~((uint16_t)TIM_CTLR1_CKD)); tmpcr1 |= (uint32_t)TIM_TimeBaseInitStruct->TIM_ClockDivision; TIMx->CTLR1 = tmpcr1; TIMx->ATRLR = TIM_TimeBaseInitStruct->TIM_Period ; TIMx->PSC = TIM_TimeBaseInitStruct->TIM_Prescaler; if (TIMx == TIM1) { TIMx->RPTCR = TIM_TimeBaseInitStruct->TIM_RepetitionCounter; } TIMx->SWEVGR = TIM_PSCReloadMode_Immediate; } /******************************************************************************* * Function Name : TIM_OC1Init * Description : Initializes the TIMx Channel1 according to the specified * parameters in the TIM_OCInitStruct. * Input : TIMx: where x can be 1 to 4 to select the TIM peripheral. * TIM_OCInitStruct: pointer to a TIM_OCInitTypeDef structure. * Return : None *******************************************************************************/ void TIM_OC1Init(TIM_TypeDef* TIMx, TIM_OCInitTypeDef* TIM_OCInitStruct) { uint16_t tmpccmrx = 0, tmpccer = 0, tmpcr2 = 0; TIMx->CCER &= (uint16_t)(~(uint16_t)TIM_CC1E); tmpccer = TIMx->CCER; tmpcr2 = TIMx->CTLR2; tmpccmrx = TIMx->CHCTLR1; tmpccmrx &= (uint16_t)(~((uint16_t)TIM_OC1M)); tmpccmrx &= (uint16_t)(~((uint16_t)TIM_CC1S)); tmpccmrx |= TIM_OCInitStruct->TIM_OCMode; tmpccer &= (uint16_t)(~((uint16_t)TIM_CC1P)); tmpccer |= TIM_OCInitStruct->TIM_OCPolarity; tmpccer |= TIM_OCInitStruct->TIM_OutputState; if(TIMx == TIM1) { tmpccer &= (uint16_t)(~((uint16_t)TIM_CC1NP)); tmpccer |= TIM_OCInitStruct->TIM_OCNPolarity; tmpccer &= (uint16_t)(~((uint16_t)TIM_CC1NE)); tmpccer |= TIM_OCInitStruct->TIM_OutputNState; tmpcr2 &= (uint16_t)(~((uint16_t)TIM_OIS1)); tmpcr2 &= (uint16_t)(~((uint16_t)TIM_OIS1N)); tmpcr2 |= TIM_OCInitStruct->TIM_OCIdleState; tmpcr2 |= TIM_OCInitStruct->TIM_OCNIdleState; } TIMx->CTLR2 = tmpcr2; TIMx->CHCTLR1 = tmpccmrx; TIMx->CH1CVR = TIM_OCInitStruct->TIM_Pulse; TIMx->CCER = tmpccer; } /******************************************************************************* * Function Name : TIM_OC2Init * Description : Initializes the TIMx Channel2 according to the specified * parameters in the TIM_OCInitStruct. * Input : TIMx: where x can be 1 to 4 to select the TIM peripheral. * TIM_OCInitStruct: pointer to a TIM_OCInitTypeDef structure. * Return : None *******************************************************************************/ void TIM_OC2Init(TIM_TypeDef* TIMx, TIM_OCInitTypeDef* TIM_OCInitStruct) { uint16_t tmpccmrx = 0, tmpccer = 0, tmpcr2 = 0; TIMx->CCER &= (uint16_t)(~((uint16_t)TIM_CC2E)); tmpccer = TIMx->CCER; tmpcr2 = TIMx->CTLR2; tmpccmrx = TIMx->CHCTLR1; tmpccmrx &= (uint16_t)(~((uint16_t)TIM_OC2M)); tmpccmrx &= (uint16_t)(~((uint16_t)TIM_CC2S)); tmpccmrx |= (uint16_t)(TIM_OCInitStruct->TIM_OCMode << 8); tmpccer &= (uint16_t)(~((uint16_t)TIM_CC2P)); tmpccer |= (uint16_t)(TIM_OCInitStruct->TIM_OCPolarity << 4); tmpccer |= (uint16_t)(TIM_OCInitStruct->TIM_OutputState << 4); if(TIMx == TIM1) { tmpccer &= (uint16_t)(~((uint16_t)TIM_CC2NP)); tmpccer |= (uint16_t)(TIM_OCInitStruct->TIM_OCNPolarity << 4); tmpccer &= (uint16_t)(~((uint16_t)TIM_CC2NE)); tmpccer |= (uint16_t)(TIM_OCInitStruct->TIM_OutputNState << 4); tmpcr2 &= (uint16_t)(~((uint16_t)TIM_OIS2)); tmpcr2 &= (uint16_t)(~((uint16_t)TIM_OIS2N)); tmpcr2 |= (uint16_t)(TIM_OCInitStruct->TIM_OCIdleState << 2); tmpcr2 |= (uint16_t)(TIM_OCInitStruct->TIM_OCNIdleState << 2); } TIMx->CTLR2 = tmpcr2; TIMx->CHCTLR1 = tmpccmrx; TIMx->CH2CVR = TIM_OCInitStruct->TIM_Pulse; TIMx->CCER = tmpccer; } /******************************************************************************* * Function Name : TIM_OC3Init * Description : Initializes the TIMx Channel3 according to the specified * parameters in the TIM_OCInitStruct. * Input : TIMx: where x can be 1 to 4 to select the TIM peripheral. * TIM_OCInitStruct: pointer to a TIM_OCInitTypeDef structure. * Return : None *******************************************************************************/ void TIM_OC3Init(TIM_TypeDef* TIMx, TIM_OCInitTypeDef* TIM_OCInitStruct) { uint16_t tmpccmrx = 0, tmpccer = 0, tmpcr2 = 0; TIMx->CCER &= (uint16_t)(~((uint16_t)TIM_CC3E)); tmpccer = TIMx->CCER; tmpcr2 = TIMx->CTLR2; tmpccmrx = TIMx->CHCTLR2; tmpccmrx &= (uint16_t)(~((uint16_t)TIM_OC3M)); tmpccmrx &= (uint16_t)(~((uint16_t)TIM_CC3S)); tmpccmrx |= TIM_OCInitStruct->TIM_OCMode; tmpccer &= (uint16_t)(~((uint16_t)TIM_CC3P)); tmpccer |= (uint16_t)(TIM_OCInitStruct->TIM_OCPolarity << 8); tmpccer |= (uint16_t)(TIM_OCInitStruct->TIM_OutputState << 8); if(TIMx == TIM1) { tmpccer &= (uint16_t)(~((uint16_t)TIM_CC3NP)); tmpccer |= (uint16_t)(TIM_OCInitStruct->TIM_OCNPolarity << 8); tmpccer &= (uint16_t)(~((uint16_t)TIM_CC3NE)); tmpccer |= (uint16_t)(TIM_OCInitStruct->TIM_OutputNState << 8); tmpcr2 &= (uint16_t)(~((uint16_t)TIM_OIS3)); tmpcr2 &= (uint16_t)(~((uint16_t)TIM_OIS3N)); tmpcr2 |= (uint16_t)(TIM_OCInitStruct->TIM_OCIdleState << 4); tmpcr2 |= (uint16_t)(TIM_OCInitStruct->TIM_OCNIdleState << 4); } TIMx->CTLR2 = tmpcr2; TIMx->CHCTLR2 = tmpccmrx; TIMx->CH3CVR = TIM_OCInitStruct->TIM_Pulse; TIMx->CCER = tmpccer; } /******************************************************************************* * Function Name : TIM_OC4Init * Description : Initializes the TIMx Channel4 according to the specified * parameters in the TIM_OCInitStruct. * Input : TIMx: where x can be 1 to 4 to select the TIM peripheral. * TIM_OCInitStruct: pointer to a TIM_OCInitTypeDef structure. * Return : None *******************************************************************************/ void TIM_OC4Init(TIM_TypeDef* TIMx, TIM_OCInitTypeDef* TIM_OCInitStruct) { uint16_t tmpccmrx = 0, tmpccer = 0, tmpcr2 = 0; TIMx->CCER &= (uint16_t)(~((uint16_t)TIM_CC4E)); tmpccer = TIMx->CCER; tmpcr2 = TIMx->CTLR2; tmpccmrx = TIMx->CHCTLR2; tmpccmrx &= (uint16_t)(~((uint16_t)TIM_OC4M)); tmpccmrx &= (uint16_t)(~((uint16_t)TIM_CC4S)); tmpccmrx |= (uint16_t)(TIM_OCInitStruct->TIM_OCMode << 8); tmpccer &= (uint16_t)(~((uint16_t)TIM_CC4P)); tmpccer |= (uint16_t)(TIM_OCInitStruct->TIM_OCPolarity << 12); tmpccer |= (uint16_t)(TIM_OCInitStruct->TIM_OutputState << 12); if(TIMx == TIM1) { tmpcr2 &= (uint16_t)(~((uint16_t)TIM_OIS4)); tmpcr2 |= (uint16_t)(TIM_OCInitStruct->TIM_OCIdleState << 6); } TIMx->CTLR2 = tmpcr2; TIMx->CHCTLR2 = tmpccmrx; TIMx->CH4CVR = TIM_OCInitStruct->TIM_Pulse; TIMx->CCER = tmpccer; } /******************************************************************************* * Function Name : TIM_ICInit * Description : IInitializes the TIM peripheral according to the specified * parameters in the TIM_ICInitStruct. * Input : TIMx: where x can be 1 to 4 to select the TIM peripheral. * TIM_ICInitStruct: pointer to a TIM_ICInitTypeDef structure. * Return : None *******************************************************************************/ void TIM_ICInit(TIM_TypeDef* TIMx, TIM_ICInitTypeDef* TIM_ICInitStruct) { if (TIM_ICInitStruct->TIM_Channel == TIM_Channel_1) { TI1_Config(TIMx, TIM_ICInitStruct->TIM_ICPolarity, TIM_ICInitStruct->TIM_ICSelection, TIM_ICInitStruct->TIM_ICFilter); TIM_SetIC1Prescaler(TIMx, TIM_ICInitStruct->TIM_ICPrescaler); } else if (TIM_ICInitStruct->TIM_Channel == TIM_Channel_2) { TI2_Config(TIMx, TIM_ICInitStruct->TIM_ICPolarity, TIM_ICInitStruct->TIM_ICSelection, TIM_ICInitStruct->TIM_ICFilter); TIM_SetIC2Prescaler(TIMx, TIM_ICInitStruct->TIM_ICPrescaler); } else if (TIM_ICInitStruct->TIM_Channel == TIM_Channel_3) { TI3_Config(TIMx, TIM_ICInitStruct->TIM_ICPolarity, TIM_ICInitStruct->TIM_ICSelection, TIM_ICInitStruct->TIM_ICFilter); TIM_SetIC3Prescaler(TIMx, TIM_ICInitStruct->TIM_ICPrescaler); } else { TI4_Config(TIMx, TIM_ICInitStruct->TIM_ICPolarity, TIM_ICInitStruct->TIM_ICSelection, TIM_ICInitStruct->TIM_ICFilter); TIM_SetIC4Prescaler(TIMx, TIM_ICInitStruct->TIM_ICPrescaler); } } /******************************************************************************* * Function Name : TIM_PWMIConfig * Description : Configures the TIM peripheral according to the specified * parameters in the TIM_ICInitStruct to measure an external PWM signal. * Input : TIMx: where x can be 1 to 4 to select the TIM peripheral. * TIM_ICInitStruct: pointer to a TIM_ICInitTypeDef structure. * Return : None *******************************************************************************/ void TIM_PWMIConfig(TIM_TypeDef* TIMx, TIM_ICInitTypeDef* TIM_ICInitStruct) { uint16_t icoppositepolarity = TIM_ICPolarity_Rising; uint16_t icoppositeselection = TIM_ICSelection_DirectTI; if (TIM_ICInitStruct->TIM_ICPolarity == TIM_ICPolarity_Rising) { icoppositepolarity = TIM_ICPolarity_Falling; } else { icoppositepolarity = TIM_ICPolarity_Rising; } if (TIM_ICInitStruct->TIM_ICSelection == TIM_ICSelection_DirectTI) { icoppositeselection = TIM_ICSelection_IndirectTI; } else { icoppositeselection = TIM_ICSelection_DirectTI; } if (TIM_ICInitStruct->TIM_Channel == TIM_Channel_1) { TI1_Config(TIMx, TIM_ICInitStruct->TIM_ICPolarity, TIM_ICInitStruct->TIM_ICSelection, TIM_ICInitStruct->TIM_ICFilter); TIM_SetIC1Prescaler(TIMx, TIM_ICInitStruct->TIM_ICPrescaler); TI2_Config(TIMx, icoppositepolarity, icoppositeselection, TIM_ICInitStruct->TIM_ICFilter); TIM_SetIC2Prescaler(TIMx, TIM_ICInitStruct->TIM_ICPrescaler); } else { TI2_Config(TIMx, TIM_ICInitStruct->TIM_ICPolarity, TIM_ICInitStruct->TIM_ICSelection, TIM_ICInitStruct->TIM_ICFilter); TIM_SetIC2Prescaler(TIMx, TIM_ICInitStruct->TIM_ICPrescaler); TI1_Config(TIMx, icoppositepolarity, icoppositeselection, TIM_ICInitStruct->TIM_ICFilter); TIM_SetIC1Prescaler(TIMx, TIM_ICInitStruct->TIM_ICPrescaler); } } /******************************************************************************* * Function Name : TIM_BDTRConfig * Description : Configures the: Break feature, dead time, Lock level, the OSSI, * the OSSR State and the AOE(automatic output enable). * Input : TIMx: where x can be 1 to 4 to select the TIM peripheral. * TIM_BDTRInitStruct: pointer to a TIM_BDTRInitTypeDef structure. * Return : None *******************************************************************************/ void TIM_BDTRConfig(TIM_TypeDef* TIMx, TIM_BDTRInitTypeDef *TIM_BDTRInitStruct) { TIMx->BDTR = (uint32_t)TIM_BDTRInitStruct->TIM_OSSRState | TIM_BDTRInitStruct->TIM_OSSIState | TIM_BDTRInitStruct->TIM_LOCKLevel | TIM_BDTRInitStruct->TIM_DeadTime | TIM_BDTRInitStruct->TIM_Break | TIM_BDTRInitStruct->TIM_BreakPolarity | TIM_BDTRInitStruct->TIM_AutomaticOutput; } /******************************************************************************* * Function Name : TIM_TimeBaseStructInit * Description : Fills each TIM_TimeBaseInitStruct member with its default value. * Input : TIM_TimeBaseInitStruct : pointer to a TIM_TimeBaseInitTypeDef structure. * Return : None *******************************************************************************/ void TIM_TimeBaseStructInit(TIM_TimeBaseInitTypeDef* TIM_TimeBaseInitStruct) { TIM_TimeBaseInitStruct->TIM_Period = 0xFFFF; TIM_TimeBaseInitStruct->TIM_Prescaler = 0x0000; TIM_TimeBaseInitStruct->TIM_ClockDivision = TIM_CKD_DIV1; TIM_TimeBaseInitStruct->TIM_CounterMode = TIM_CounterMode_Up; TIM_TimeBaseInitStruct->TIM_RepetitionCounter = 0x0000; } /******************************************************************************* * Function Name : TIM_OCStructInit * Description : Fills each TIM_OCInitStruct member with its default value. * Input : TIM_OCInitStruct : pointer to a TIM_OCInitTypeDef structure. * Return : None *******************************************************************************/ void TIM_OCStructInit(TIM_OCInitTypeDef* TIM_OCInitStruct) { TIM_OCInitStruct->TIM_OCMode = TIM_OCMode_Timing; TIM_OCInitStruct->TIM_OutputState = TIM_OutputState_Disable; TIM_OCInitStruct->TIM_OutputNState = TIM_OutputNState_Disable; TIM_OCInitStruct->TIM_Pulse = 0x0000; TIM_OCInitStruct->TIM_OCPolarity = TIM_OCPolarity_High; TIM_OCInitStruct->TIM_OCNPolarity = TIM_OCPolarity_High; TIM_OCInitStruct->TIM_OCIdleState = TIM_OCIdleState_Reset; TIM_OCInitStruct->TIM_OCNIdleState = TIM_OCNIdleState_Reset; } /******************************************************************************* * Function Name : TIM_ICStructInit * Description : Fills each TIM_ICInitStruct member with its default value. * Input : TIM_ICInitStruct : pointer to a TIM_ICInitTypeDef structure. * Return : None *******************************************************************************/ void TIM_ICStructInit(TIM_ICInitTypeDef* TIM_ICInitStruct) { TIM_ICInitStruct->TIM_Channel = TIM_Channel_1; TIM_ICInitStruct->TIM_ICPolarity = TIM_ICPolarity_Rising; TIM_ICInitStruct->TIM_ICSelection = TIM_ICSelection_DirectTI; TIM_ICInitStruct->TIM_ICPrescaler = TIM_ICPSC_DIV1; TIM_ICInitStruct->TIM_ICFilter = 0x00; } /******************************************************************************* * Function Name : TIM_BDTRStructInit * Description : Fills each TIM_BDTRInitStruct member with its default value. * Input : TIM_BDTRInitStruct : pointer to a TIM_BDTRInitTypeDef structure. * Return : None *******************************************************************************/ void TIM_BDTRStructInit(TIM_BDTRInitTypeDef* TIM_BDTRInitStruct) { TIM_BDTRInitStruct->TIM_OSSRState = TIM_OSSRState_Disable; TIM_BDTRInitStruct->TIM_OSSIState = TIM_OSSIState_Disable; TIM_BDTRInitStruct->TIM_LOCKLevel = TIM_LOCKLevel_OFF; TIM_BDTRInitStruct->TIM_DeadTime = 0x00; TIM_BDTRInitStruct->TIM_Break = TIM_Break_Disable; TIM_BDTRInitStruct->TIM_BreakPolarity = TIM_BreakPolarity_Low; TIM_BDTRInitStruct->TIM_AutomaticOutput = TIM_AutomaticOutput_Disable; } /******************************************************************************* * Function Name : TIM_Cmd * Description : Fills each TIM_BDTRInitStruct member with its default value. * Input : TIMx: where x can be 1 to 4 to select the TIM peripheral. * NewState: ENABLE or DISABLE. * Return : None *******************************************************************************/ void TIM_Cmd(TIM_TypeDef* TIMx, FunctionalState NewState) { if (NewState != DISABLE) { TIMx->CTLR1 |= TIM_CEN; } else { TIMx->CTLR1 &= (uint16_t)(~((uint16_t)TIM_CEN)); } } /******************************************************************************* * Function Name : TIM_CtrlPWMOutputs * Description : Enables or disables the TIM peripheral Main Outputs. * Input : TIMx: where x can be 1 to 4 to select the TIM peripheral. * NewState: ENABLE or DISABLE. * Return : None *******************************************************************************/ void TIM_CtrlPWMOutputs(TIM_TypeDef* TIMx, FunctionalState NewState) { if (NewState != DISABLE) { TIMx->BDTR |= TIM_MOE; } else { TIMx->BDTR &= (uint16_t)(~((uint16_t)TIM_MOE)); } } /******************************************************************************* * Function Name : TIM_ITConfig * Description : Enables or disables the specified TIM interrupts. * Input : TIMx: where x can be 1 to 4 to select the TIM peripheral. * TIM_IT: specifies the TIM interrupts sources to be enabled or disabled. * TIM_IT_Update: TIM update Interrupt source. * TIM_IT_CC1: TIM Capture Compare 1 Interrupt source. * TIM_IT_CC2: TIM Capture Compare 2 Interrupt source * TIM_IT_CC3: TIM Capture Compare 3 Interrupt source. * TIM_IT_CC4: TIM Capture Compare 4 Interrupt source. * TIM_IT_COM: TIM Commutation Interrupt source. * TIM_IT_Trigger: TIM Trigger Interrupt source. * TIM_IT_Break: TIM Break Interrupt source. * NewState: ENABLE or DISABLE. * Return : None *******************************************************************************/ void TIM_ITConfig(TIM_TypeDef* TIMx, uint16_t TIM_IT, FunctionalState NewState) { if (NewState != DISABLE) { TIMx->DMAINTENR |= TIM_IT; } else { TIMx->DMAINTENR &= (uint16_t)~TIM_IT; } } /******************************************************************************* * Function Name : TIM_GenerateEvent * Description : Configures the TIMx event to be generate by software. * Input : TIMx: where x can be 1 to 4 to select the TIM peripheral. * TIM_EventSource: specifies the event source. * TIM_EventSource_Update: Timer update Event source. * TIM_EventSource_CC1: Timer Capture Compare 1 Event source. * TIM_EventSource_CC2: Timer Capture Compare 2 Event source. * TIM_EventSource_CC3: Timer Capture Compare 3 Event source. * TIM_EventSource_CC4: Timer Capture Compare 4 Event source. * TIM_EventSource_COM: Timer COM event source. * TIM_EventSource_Trigger: Timer Trigger Event source. * TIM_EventSource_Break: Timer Break event source. * Return : None *******************************************************************************/ void TIM_GenerateEvent(TIM_TypeDef* TIMx, uint16_t TIM_EventSource) { TIMx->SWEVGR = TIM_EventSource; } /******************************************************************************* * Function Name : TIM_DMAConfig * Description : Configures the TIMx's DMA interface. * Input : TIMx: where x can be 1 to 4 to select the TIM peripheral. * TIM_DMABase: DMA Base address. * TIM_DMABase_CR. * TIM_DMABase_CR2. * TIM_DMABase_SMCR. * TIM_DMABase_DIER. * TIM1_DMABase_SR. * TIM_DMABase_EGR. * TIM_DMABase_CCMR1. * TIM_DMABase_CCMR2. * TIM_DMABase_CCER. * TIM_DMABase_CNT. * TIM_DMABase_PSC. * TIM_DMABase_CCR1. * TIM_DMABase_CCR2. * TIM_DMABase_CCR3. * TIM_DMABase_CCR4. * TIM_DMABase_BDTR. * TIM_DMABase_DCR. * TIM_DMABurstLength: DMA Burst length. * TIM_DMABurstLength_1Transfer. * TIM_DMABurstLength_18Transfers. * Return : None *******************************************************************************/ void TIM_DMAConfig(TIM_TypeDef* TIMx, uint16_t TIM_DMABase, uint16_t TIM_DMABurstLength) { TIMx->DMACFGR = TIM_DMABase | TIM_DMABurstLength; } /******************************************************************************* * Function Name : TIM_DMACmd * Description : Enables or disables the TIMx's DMA Requests. * Input : TIMx: where x can be 1 to 4 to select the TIM peripheral. * TIM_DMASource: specifies the DMA Request sources. * TIM_DMA_Update: TIM update Interrupt source. * TIM_DMA_CC1: TIM Capture Compare 1 DMA source. * TIM_DMA_CC2: TIM Capture Compare 2 DMA source. * TIM_DMA_CC3: TIM Capture Compare 3 DMA source. * TIM_DMA_CC4: TIM Capture Compare 4 DMA source. * TIM_DMA_COM: TIM Commutation DMA source. * TIM_DMA_Trigger: TIM Trigger DMA source. * NewState: ENABLE or DISABLE. * Return : None *******************************************************************************/ void TIM_DMACmd(TIM_TypeDef* TIMx, uint16_t TIM_DMASource, FunctionalState NewState) { if (NewState != DISABLE) { TIMx->DMAINTENR |= TIM_DMASource; } else { TIMx->DMAINTENR &= (uint16_t)~TIM_DMASource; } } /******************************************************************************* * Function Name : TIM_InternalClockConfig * Description : Configures the TIMx internal Clock. * Input : TIMx: where x can be 1 to 4 to select the TIM peripheral. * Return : None *******************************************************************************/ void TIM_InternalClockConfig(TIM_TypeDef* TIMx) { TIMx->SMCFGR &= (uint16_t)(~((uint16_t)TIM_SMS)); } /******************************************************************************* * Function Name : TIM_ITRxExternalClockConfig * Description : Configures the TIMx Internal Trigger as External Clock. * Input : TIMx: where x can be 1 to 4 to select the TIM peripheral. * TIM_InputTriggerSource: Trigger source. * TIM_TS_ITR0: Internal Trigger 0. * TIM_TS_ITR1: Internal Trigger 1. * TIM_TS_ITR2: Internal Trigger 2. * TIM_TS_ITR3: Internal Trigger 3. * Return : None *******************************************************************************/ void TIM_ITRxExternalClockConfig(TIM_TypeDef* TIMx, uint16_t TIM_InputTriggerSource) { TIM_SelectInputTrigger(TIMx, TIM_InputTriggerSource); TIMx->SMCFGR |= TIM_SlaveMode_External1; } /******************************************************************************* * Function Name : TIM_TIxExternalClockConfig * Description : Configures the TIMx Trigger as External Clock. * Input : TIMx: where x can be 1 to 4 to select the TIM peripheral. * TIM_TIxExternalCLKSource: Trigger source. * TIM_TIxExternalCLK1Source_TI1ED: TI1 Edge Detector. * TIM_TIxExternalCLK1Source_TI1: Filtered Timer Input 1. * TIM_TIxExternalCLK1Source_TI2: Filtered Timer Input 2. * TIM_ICPolarity: specifies the TIx Polarity. * TIM_ICPolarity_Rising. * TIM_ICPolarity_Falling. * TIM_DMA_COM: TIM Commutation DMA source. * TIM_DMA_Trigger: TIM Trigger DMA source. * ICFilter : specifies the filter value. * This parameter must be a value between 0x0 and 0xF. * Return : None *******************************************************************************/ void TIM_TIxExternalClockConfig(TIM_TypeDef* TIMx, uint16_t TIM_TIxExternalCLKSource, uint16_t TIM_ICPolarity, uint16_t ICFilter) { if (TIM_TIxExternalCLKSource == TIM_TIxExternalCLK1Source_TI2) { TI2_Config(TIMx, TIM_ICPolarity, TIM_ICSelection_DirectTI, ICFilter); } else { TI1_Config(TIMx, TIM_ICPolarity, TIM_ICSelection_DirectTI, ICFilter); } TIM_SelectInputTrigger(TIMx, TIM_TIxExternalCLKSource); TIMx->SMCFGR |= TIM_SlaveMode_External1; } /******************************************************************************* * Function Name : TIM_ETRClockMode1Config * Description : Configures the External clock Mode1. * Input : TIMx: where x can be 1 to 4 to select the TIM peripheral. * TIM_ExtTRGPrescaler: The external Trigger Prescaler. * TIM_ExtTRGPSC_OFF: ETRP Prescaler OFF. * TIM_ExtTRGPSC_DIV2: ETRP frequency divided by 2. * TIM_ExtTRGPSC_DIV4: ETRP frequency divided by 4. * TIM_ExtTRGPSC_DIV8: ETRP frequency divided by 8. * TIM_ExtTRGPolarity: The external Trigger Polarity. * TIM_ExtTRGPolarity_Inverted: active low or falling edge active. * TIM_ExtTRGPolarity_NonInverted: active high or rising edge active. * ExtTRGFilter: External Trigger Filter. * This parameter must be a value between 0x0 and 0xF. * Return : None *******************************************************************************/ void TIM_ETRClockMode1Config(TIM_TypeDef* TIMx, uint16_t TIM_ExtTRGPrescaler, uint16_t TIM_ExtTRGPolarity, uint16_t ExtTRGFilter) { uint16_t tmpsmcr = 0; TIM_ETRConfig(TIMx, TIM_ExtTRGPrescaler, TIM_ExtTRGPolarity, ExtTRGFilter); tmpsmcr = TIMx->SMCFGR; tmpsmcr &= (uint16_t)(~((uint16_t)TIM_SMS)); tmpsmcr |= TIM_SlaveMode_External1; tmpsmcr &= (uint16_t)(~((uint16_t)TIM_TS)); tmpsmcr |= TIM_TS_ETRF; TIMx->SMCFGR = tmpsmcr; } /******************************************************************************* * Function Name : TIM_ETRClockMode2Config * Description : Configures the External clock Mode2. * Input : TIMx: where x can be 1 to 4 to select the TIM peripheral. * TIM_ExtTRGPrescaler: The external Trigger Prescaler. * TIM_ExtTRGPSC_OFF: ETRP Prescaler OFF. * TIM_ExtTRGPSC_DIV2: ETRP frequency divided by 2. * TIM_ExtTRGPSC_DIV4: ETRP frequency divided by 4. * TIM_ExtTRGPSC_DIV8: ETRP frequency divided by 8. * TIM_ExtTRGPolarity: The external Trigger Polarity. * TIM_ExtTRGPolarity_Inverted: active low or falling edge active. * TIM_ExtTRGPolarity_NonInverted: active high or rising edge active. * ExtTRGFilter: External Trigger Filter. * This parameter must be a value between 0x0 and 0xF. * Return : None *******************************************************************************/ void TIM_ETRClockMode2Config(TIM_TypeDef* TIMx, uint16_t TIM_ExtTRGPrescaler, uint16_t TIM_ExtTRGPolarity, uint16_t ExtTRGFilter) { TIM_ETRConfig(TIMx, TIM_ExtTRGPrescaler, TIM_ExtTRGPolarity, ExtTRGFilter); TIMx->SMCFGR |= TIM_ECE; } /******************************************************************************* * Function Name : TIM_ETRConfig * Description : Configures the TIMx External Trigger (ETR). * Input : TIMx: where x can be 1 to 4 to select the TIM peripheral. * TIM_ExtTRGPrescaler: The external Trigger Prescaler. * TIM_ExtTRGPSC_OFF: ETRP Prescaler OFF. * TIM_ExtTRGPSC_DIV2: ETRP frequency divided by 2. * TIM_ExtTRGPSC_DIV4: ETRP frequency divided by 4. * TIM_ExtTRGPSC_DIV8: ETRP frequency divided by 8. * TIM_ExtTRGPolarity: The external Trigger Polarity. * TIM_ExtTRGPolarity_Inverted: active low or falling edge active. * TIM_ExtTRGPolarity_NonInverted: active high or rising edge active. * ExtTRGFilter: External Trigger Filter. * This parameter must be a value between 0x0 and 0xF. * Return : None *******************************************************************************/ void TIM_ETRConfig(TIM_TypeDef* TIMx, uint16_t TIM_ExtTRGPrescaler, uint16_t TIM_ExtTRGPolarity, uint16_t ExtTRGFilter) { uint16_t tmpsmcr = 0; tmpsmcr = TIMx->SMCFGR; tmpsmcr &= SMCFGR_ETR_Mask; tmpsmcr |= (uint16_t)(TIM_ExtTRGPrescaler | (uint16_t)(TIM_ExtTRGPolarity | (uint16_t)(ExtTRGFilter << (uint16_t)8))); TIMx->SMCFGR = tmpsmcr; } /******************************************************************************* * Function Name : TIM_PrescalerConfig * Description : Configures the TIMx Prescaler. * Input : TIMx: where x can be 1 to 4 to select the TIM peripheral. * Prescaler: specifies the Prescaler Register value. * TIM_PSCReloadMode: specifies the TIM Prescaler Reload mode. * TIM_PSCReloadMode: specifies the TIM Prescaler Reload mode. * TIM_PSCReloadMode_Update: The Prescaler is loaded at the update event. * TIM_PSCReloadMode_Immediate: The Prescaler is loaded immediately. * Return : None *******************************************************************************/ void TIM_PrescalerConfig(TIM_TypeDef* TIMx, uint16_t Prescaler, uint16_t TIM_PSCReloadMode) { TIMx->PSC = Prescaler; TIMx->SWEVGR = TIM_PSCReloadMode; } /******************************************************************************* * Function Name : TIM_CounterModeConfig * Description : Specifies the TIMx Counter Mode to be used. * Input : TIMx: where x can be 1 to 4 to select the TIM peripheral. * TIM_CounterMode: specifies the Counter Mode to be used. * TIM_CounterMode_Up: TIM Up Counting Mode. * TIM_CounterMode_Down: TIM Down Counting Mode. * TIM_CounterMode_CenterAligned1: TIM Center Aligned Mode1. * TIM_CounterMode_CenterAligned2: TIM Center Aligned Mode2. * TIM_CounterMode_CenterAligned3: TIM Center Aligned Mode3. * Return : None *******************************************************************************/ void TIM_CounterModeConfig(TIM_TypeDef* TIMx, uint16_t TIM_CounterMode) { uint16_t tmpcr1 = 0; tmpcr1 = TIMx->CTLR1; tmpcr1 &= (uint16_t)(~((uint16_t)(TIM_DIR | TIM_CMS))); tmpcr1 |= TIM_CounterMode; TIMx->CTLR1 = tmpcr1; } /******************************************************************************* * Function Name : TIM_SelectInputTrigger * Description : Selects the Input Trigger source. * Input : TIMx: where x can be 1 to 4 to select the TIM peripheral. * TIM_InputTriggerSource: The Input Trigger source. * TIM_TS_ITR0: Internal Trigger 0. * TIM_TS_ITR1: Internal Trigger 1. * TIM_TS_ITR2: Internal Trigger 2. * TIM_TS_ITR3: Internal Trigger 3. * TIM_TS_TI1F_ED: TI1 Edge Detector. * TIM_TS_TI1FP1: Filtered Timer Input 1. * TIM_TS_TI2FP2: Filtered Timer Input 2. * TIM_TS_ETRF: External Trigger input. * Return : None *******************************************************************************/ void TIM_SelectInputTrigger(TIM_TypeDef* TIMx, uint16_t TIM_InputTriggerSource) { uint16_t tmpsmcr = 0; tmpsmcr = TIMx->SMCFGR; tmpsmcr &= (uint16_t)(~((uint16_t)TIM_TS)); tmpsmcr |= TIM_InputTriggerSource; TIMx->SMCFGR = tmpsmcr; } /******************************************************************************* * Function Name : TIM_EncoderInterfaceConfig * Description : Configures the TIMx Encoder Interface. * Input : TIMx: where x can be 1 to 4 to select the TIM peripheral. * TIM_EncoderMode: specifies the TIMx Encoder Mode. * TIM_EncoderMode_TI1: Counter counts on TI1FP1 edge depending * on TI2FP2 level. * TIM_EncoderMode_TI2: Counter counts on TI2FP2 edge depending * on TI1FP1 level. * TIM_EncoderMode_TI12: Counter counts on both TI1FP1 and * TI2FP2 edges depending. * TIM_IC1Polarity: specifies the IC1 Polarity. * TIM_ICPolarity_Falling: IC Falling edge. * TTIM_ICPolarity_Rising: IC Rising edge. * TIM_IC2Polarity: specifies the IC2 Polarity. * TIM_ICPolarity_Falling: IC Falling edge. * TIM_ICPolarity_Rising: IC Rising edge. * Return : None *******************************************************************************/ void TIM_EncoderInterfaceConfig(TIM_TypeDef* TIMx, uint16_t TIM_EncoderMode, uint16_t TIM_IC1Polarity, uint16_t TIM_IC2Polarity) { uint16_t tmpsmcr = 0; uint16_t tmpccmr1 = 0; uint16_t tmpccer = 0; tmpsmcr = TIMx->SMCFGR; tmpccmr1 = TIMx->CHCTLR1; tmpccer = TIMx->CCER; tmpsmcr &= (uint16_t)(~((uint16_t)TIM_SMS)); tmpsmcr |= TIM_EncoderMode; tmpccmr1 &= (uint16_t)(((uint16_t)~((uint16_t)TIM_CC1S)) & (uint16_t)(~((uint16_t)TIM_CC2S))); tmpccmr1 |= TIM_CC1S_0 | TIM_CC2S_0; tmpccer &= (uint16_t)(((uint16_t)~((uint16_t)TIM_CC1P)) & ((uint16_t)~((uint16_t)TIM_CC2P))); tmpccer |= (uint16_t)(TIM_IC1Polarity | (uint16_t)(TIM_IC2Polarity << (uint16_t)4)); TIMx->SMCFGR = tmpsmcr; TIMx->CHCTLR1 = tmpccmr1; TIMx->CCER = tmpccer; } /******************************************************************************* * Function Name : TIM_ForcedOC1Config * Description : Forces the TIMx output 1 waveform to active or inactive level. * Input : TIMx: where x can be 1 to 4 to select the TIM peripheral. * TIM_ForcedAction: specifies the forced Action to be set to the * output waveform. * TIM_ForcedAction_Active: Force active level on OC1REF. * TIM_ForcedAction_InActive: Force inactive level on OC1REF. * Return : None *******************************************************************************/ void TIM_ForcedOC1Config(TIM_TypeDef* TIMx, uint16_t TIM_ForcedAction) { uint16_t tmpccmr1 = 0; tmpccmr1 = TIMx->CHCTLR1; tmpccmr1 &= (uint16_t)~((uint16_t)TIM_OC1M); tmpccmr1 |= TIM_ForcedAction; TIMx->CHCTLR1 = tmpccmr1; } /******************************************************************************* * Function Name : TIM_ForcedOC2Config * Description : Forces the TIMx output 2 waveform to active or inactive level. * Input : TIMx: where x can be 1 to 4 to select the TIM peripheral. * TIM_ForcedAction: specifies the forced Action to be set to the * output waveform. * TIM_ForcedAction_Active: Force active level on OC2REF. * TIM_ForcedAction_InActive: Force inactive level on OC2REF. * Return : None *******************************************************************************/ void TIM_ForcedOC2Config(TIM_TypeDef* TIMx, uint16_t TIM_ForcedAction) { uint16_t tmpccmr1 = 0; tmpccmr1 = TIMx->CHCTLR1; tmpccmr1 &= (uint16_t)~((uint16_t)TIM_OC2M); tmpccmr1 |= (uint16_t)(TIM_ForcedAction << 8); TIMx->CHCTLR1 = tmpccmr1; } /******************************************************************************* * Function Name : TIM_ForcedOC3Config * Description : Forces the TIMx output 3 waveform to active or inactive level. * Input : TIMx: where x can be 1 to 4 to select the TIM peripheral. * TIM_ForcedAction: specifies the forced Action to be set to the * output waveform. * TIM_ForcedAction_Active: Force active level on OC3REF. * TIM_ForcedAction_InActive: Force inactive level on OC3REF. * Return : None *******************************************************************************/ void TIM_ForcedOC3Config(TIM_TypeDef* TIMx, uint16_t TIM_ForcedAction) { uint16_t tmpccmr2 = 0; tmpccmr2 = TIMx->CHCTLR2; tmpccmr2 &= (uint16_t)~((uint16_t)TIM_OC3M); tmpccmr2 |= TIM_ForcedAction; TIMx->CHCTLR2 = tmpccmr2; } /******************************************************************************* * Function Name : TIM_ForcedOC4Config * Description : Forces the TIMx output 4 waveform to active or inactive level. * Input : TIMx: where x can be 1 to 4 to select the TIM peripheral. * TIM_ForcedAction: specifies the forced Action to be set to the * output waveform. * TIM_ForcedAction_Active: Force active level on OC4REF. * TIM_ForcedAction_InActive: Force inactive level on OC4REF. * Return : None *******************************************************************************/ void TIM_ForcedOC4Config(TIM_TypeDef* TIMx, uint16_t TIM_ForcedAction) { uint16_t tmpccmr2 = 0; tmpccmr2 = TIMx->CHCTLR2; tmpccmr2 &= (uint16_t)~((uint16_t)TIM_OC4M); tmpccmr2 |= (uint16_t)(TIM_ForcedAction << 8); TIMx->CHCTLR2 = tmpccmr2; } /******************************************************************************* * Function Name : TIM_ARRPreloadConfig * Description : Enables or disables TIMx peripheral Preload register on ARR. * Input : TIMx: where x can be 1 to 4 to select the TIM peripheral. * NewState: ENABLE or DISABLE. * Return : None *******************************************************************************/ void TIM_ARRPreloadConfig(TIM_TypeDef* TIMx, FunctionalState NewState) { if (NewState != DISABLE) { TIMx->CTLR1 |= TIM_ARPE; } else { TIMx->CTLR1 &= (uint16_t)~((uint16_t)TIM_ARPE); } } /******************************************************************************* * Function Name : TIM_SelectCOM * Description : Selects the TIM peripheral Commutation event. * Input : TIMx: where x can be 1 to 4 to select the TIM peripheral. * NewState: ENABLE or DISABLE. * Return : None *******************************************************************************/ void TIM_SelectCOM(TIM_TypeDef* TIMx, FunctionalState NewState) { if (NewState != DISABLE) { TIMx->CTLR2 |= TIM_CCUS; } else { TIMx->CTLR2 &= (uint16_t)~((uint16_t)TIM_CCUS); } } /******************************************************************************* * Function Name : TIM_SelectCCDMA * Description : Selects the TIMx peripheral Capture Compare DMA source. * Input : TIMx: where x can be 1 to 4 to select the TIM peripheral. * NewState: ENABLE or DISABLE. * Return : None *******************************************************************************/ void TIM_SelectCCDMA(TIM_TypeDef* TIMx, FunctionalState NewState) { if (NewState != DISABLE) { TIMx->CTLR2 |= TIM_CCDS; } else { TIMx->CTLR2 &= (uint16_t)~((uint16_t)TIM_CCDS); } } /******************************************************************************* * Function Name : TIM_CCPreloadControl * Description : Sets or Resets the TIM peripheral Capture Compare Preload Control bit. * Input : TIMx: where x can be 1 to 4 to select the TIM peripheral. * NewState: ENABLE or DISABLE. * Return : None *******************************************************************************/ void TIM_CCPreloadControl(TIM_TypeDef* TIMx, FunctionalState NewState) { if (NewState != DISABLE) { TIMx->CTLR2 |= TIM_CCPC; } else { TIMx->CTLR2 &= (uint16_t)~((uint16_t)TIM_CCPC); } } /******************************************************************************* * Function Name : TIM_OC1PreloadConfig * Description : Enables or disables the TIMx peripheral Preload register on CCR1. * Input : TIMx: where x can be 1 to 4 to select the TIM peripheral. * TIM_OCPreload: new state of the TIMx peripheral Preload register. * TIM_OCPreload_Enable. * TIM_OCPreload_Disable. * Return : None *******************************************************************************/ void TIM_OC1PreloadConfig(TIM_TypeDef* TIMx, uint16_t TIM_OCPreload) { uint16_t tmpccmr1 = 0; tmpccmr1 = TIMx->CHCTLR1; tmpccmr1 &= (uint16_t)~((uint16_t)TIM_OC1PE); tmpccmr1 |= TIM_OCPreload; TIMx->CHCTLR1 = tmpccmr1; } /******************************************************************************* * Function Name : TIM_OC2PreloadConfig * Description : Enables or disables the TIMx peripheral Preload register on CCR1. * Input : TIMx: where x can be 1 to 4 to select the TIM peripheral. * TIM_OCPreload: new state of the TIMx peripheral Preload register. * TIM_OCPreload_Enable. * TIM_OCPreload_Disable. * Return : None *******************************************************************************/ void TIM_OC2PreloadConfig(TIM_TypeDef* TIMx, uint16_t TIM_OCPreload) { uint16_t tmpccmr1 = 0; tmpccmr1 = TIMx->CHCTLR1; tmpccmr1 &= (uint16_t)~((uint16_t)TIM_OC2PE); tmpccmr1 |= (uint16_t)(TIM_OCPreload << 8); TIMx->CHCTLR1 = tmpccmr1; } /******************************************************************************* * Function Name : TIM_OC3PreloadConfig * Description : Enables or disables the TIMx peripheral Preload register on CCR3. * Input : TIMx: where x can be 1 to 4 to select the TIM peripheral. * TIM_OCPreload: new state of the TIMx peripheral Preload register. * TIM_OCPreload_Enable. * TIM_OCPreload_Disable. * Return : None *******************************************************************************/ void TIM_OC3PreloadConfig(TIM_TypeDef* TIMx, uint16_t TIM_OCPreload) { uint16_t tmpccmr2 = 0; tmpccmr2 = TIMx->CHCTLR2; tmpccmr2 &= (uint16_t)~((uint16_t)TIM_OC3PE); tmpccmr2 |= TIM_OCPreload; TIMx->CHCTLR2 = tmpccmr2; } /******************************************************************************* * Function Name : TIM_OC4PreloadConfig * Description : Enables or disables the TIMx peripheral Preload register on CCR4. * Input : TIMx: where x can be 1 to 4 to select the TIM peripheral. * TIM_OCPreload: new state of the TIMx peripheral Preload register. * TIM_OCPreload_Enable. * TIM_OCPreload_Disable. * Return : None *******************************************************************************/ void TIM_OC4PreloadConfig(TIM_TypeDef* TIMx, uint16_t TIM_OCPreload) { uint16_t tmpccmr2 = 0; tmpccmr2 = TIMx->CHCTLR2; tmpccmr2 &= (uint16_t)~((uint16_t)TIM_OC4PE); tmpccmr2 |= (uint16_t)(TIM_OCPreload << 8); TIMx->CHCTLR2 = tmpccmr2; } /******************************************************************************* * Function Name : TIM_OC1FastConfig * Description : Configures the TIMx Output Compare 1 Fast feature. * Input : TIMx: where x can be 1 to 4 to select the TIM peripheral. * TIM_OCFast: new state of the Output Compare Fast Enable Bit. * TIM_OCFast_Enable: TIM output compare fast enable. * TIM_OCFast_Disable: TIM output compare fast disable. * Return : None *******************************************************************************/ void TIM_OC1FastConfig(TIM_TypeDef* TIMx, uint16_t TIM_OCFast) { uint16_t tmpccmr1 = 0; tmpccmr1 = TIMx->CHCTLR1; tmpccmr1 &= (uint16_t)~((uint16_t)TIM_OC1FE); tmpccmr1 |= TIM_OCFast; TIMx->CHCTLR1 = tmpccmr1; } /******************************************************************************* * Function Name : TIM_OC2FastConfig * Description : Configures the TIMx Output Compare 2 Fast feature. * Input : TIMx: where x can be 1 to 4 to select the TIM peripheral. * TIM_OCFast: new state of the Output Compare Fast Enable Bit. * TIM_OCFast_Enable: TIM output compare fast enable. * TIM_OCFast_Disable: TIM output compare fast disable. * Return : None *******************************************************************************/ void TIM_OC2FastConfig(TIM_TypeDef* TIMx, uint16_t TIM_OCFast) { uint16_t tmpccmr1 = 0; tmpccmr1 = TIMx->CHCTLR1; tmpccmr1 &= (uint16_t)~((uint16_t)TIM_OC2FE); tmpccmr1 |= (uint16_t)(TIM_OCFast << 8); TIMx->CHCTLR1 = tmpccmr1; } /******************************************************************************* * Function Name : TIM_OC3FastConfig * Description : Configures the TIMx Output Compare 3 Fast feature. * Input : TIMx: where x can be 1 to 4 to select the TIM peripheral. * TIM_OCFast: new state of the Output Compare Fast Enable Bit. * TIM_OCFast_Enable: TIM output compare fast enable. * TIM_OCFast_Disable: TIM output compare fast disable. * Return : None *******************************************************************************/ void TIM_OC3FastConfig(TIM_TypeDef* TIMx, uint16_t TIM_OCFast) { uint16_t tmpccmr2 = 0; tmpccmr2 = TIMx->CHCTLR2; tmpccmr2 &= (uint16_t)~((uint16_t)TIM_OC3FE); tmpccmr2 |= TIM_OCFast; TIMx->CHCTLR2 = tmpccmr2; } /******************************************************************************* * Function Name : TIM_OC4FastConfig * Description : Configures the TIMx Output Compare 4 Fast feature. * Input : TIMx: where x can be 1 to 4 to select the TIM peripheral. * TIM_OCFast: new state of the Output Compare Fast Enable Bit. * TIM_OCFast_Enable: TIM output compare fast enable. * TIM_OCFast_Disable: TIM output compare fast disable. * Return : None *******************************************************************************/ void TIM_OC4FastConfig(TIM_TypeDef* TIMx, uint16_t TIM_OCFast) { uint16_t tmpccmr2 = 0; tmpccmr2 = TIMx->CHCTLR2; tmpccmr2 &= (uint16_t)~((uint16_t)TIM_OC4FE); tmpccmr2 |= (uint16_t)(TIM_OCFast << 8); TIMx->CHCTLR2 = tmpccmr2; } /******************************************************************************* * Function Name : TIM_ClearOC1Ref * Description : Clears or safeguards the OCREF1 signal on an external event. * Input : TIMx: where x can be 1 to 4 to select the TIM peripheral. * TIM_OCClear: new state of the Output Compare Clear Enable Bit. * TIM_OCClear_Enable: TIM Output clear enable. * TIM_OCClear_Disable: TIM Output clear disable. * Return : None *******************************************************************************/ void TIM_ClearOC1Ref(TIM_TypeDef* TIMx, uint16_t TIM_OCClear) { uint16_t tmpccmr1 = 0; tmpccmr1 = TIMx->CHCTLR1; tmpccmr1 &= (uint16_t)~((uint16_t)TIM_OC1CE); tmpccmr1 |= TIM_OCClear; TIMx->CHCTLR1 = tmpccmr1; } /******************************************************************************* * Function Name : TIM_ClearOC2Ref * Description : Clears or safeguards the OCREF2 signal on an external event. * Input : TIMx: where x can be 1 to 4 to select the TIM peripheral. * TIM_OCClear: new state of the Output Compare Clear Enable Bit. * TIM_OCClear_Enable: TIM Output clear enable. * TIM_OCClear_Disable: TIM Output clear disable. * Return : None *******************************************************************************/ void TIM_ClearOC2Ref(TIM_TypeDef* TIMx, uint16_t TIM_OCClear) { uint16_t tmpccmr1 = 0; tmpccmr1 = TIMx->CHCTLR1; tmpccmr1 &= (uint16_t)~((uint16_t)TIM_OC2CE); tmpccmr1 |= (uint16_t)(TIM_OCClear << 8); TIMx->CHCTLR1 = tmpccmr1; } /******************************************************************************* * Function Name : TIM_ClearOC3Ref * Description : Clears or safeguards the OCREF3 signal on an external event. * Input : TIMx: where x can be 1 to 4 to select the TIM peripheral. * TIM_OCClear: new state of the Output Compare Clear Enable Bit. * TIM_OCClear_Enable: TIM Output clear enable. * TIM_OCClear_Disable: TIM Output clear disable. * Return : None *******************************************************************************/ void TIM_ClearOC3Ref(TIM_TypeDef* TIMx, uint16_t TIM_OCClear) { uint16_t tmpccmr2 = 0; tmpccmr2 = TIMx->CHCTLR2; tmpccmr2 &= (uint16_t)~((uint16_t)TIM_OC3CE); tmpccmr2 |= TIM_OCClear; TIMx->CHCTLR2 = tmpccmr2; } /******************************************************************************* * Function Name : TIM_ClearOC4Ref * Description : Clears or safeguards the OCREF4 signal on an external event. * Input : TIMx: where x can be 1 to 4 to select the TIM peripheral. * TIM_OCClear: new state of the Output Compare Clear Enable Bit. * TIM_OCClear_Enable: TIM Output clear enable. * TIM_OCClear_Disable: TIM Output clear disable. * Return : None *******************************************************************************/ void TIM_ClearOC4Ref(TIM_TypeDef* TIMx, uint16_t TIM_OCClear) { uint16_t tmpccmr2 = 0; tmpccmr2 = TIMx->CHCTLR2; tmpccmr2 &= (uint16_t)~((uint16_t)TIM_OC4CE); tmpccmr2 |= (uint16_t)(TIM_OCClear << 8); TIMx->CHCTLR2 = tmpccmr2; } /******************************************************************************* * Function Name : TIM_OC1PolarityConfig * Description : Configures the TIMx channel 1 polarity. * Input : TIMx: where x can be 1 to 4 to select the TIM peripheral. * TIM_OCPolarity: specifies the OC1 Polarity. * TIM_OCPolarity_High: Output Compare active high. * TIM_OCPolarity_Low: Output Compare active low. * Return : None *******************************************************************************/ void TIM_OC1PolarityConfig(TIM_TypeDef* TIMx, uint16_t TIM_OCPolarity) { uint16_t tmpccer = 0; tmpccer = TIMx->CCER; tmpccer &= (uint16_t)~((uint16_t)TIM_CC1P); tmpccer |= TIM_OCPolarity; TIMx->CCER = tmpccer; } /******************************************************************************* * Function Name : TIM_OC1NPolarityConfig * Description : Configures the TIMx channel 1 polarity. * Input : TIMx: where x can be 1 to select the TIM peripheral. * TIM_OCNPolarity: specifies the OC1N Polarity. * TIM_OCNPolarity_High: Output Compare active high. * TIM_OCNPolarity_Low: Output Compare active low. * Return : None *******************************************************************************/ void TIM_OC1NPolarityConfig(TIM_TypeDef* TIMx, uint16_t TIM_OCNPolarity) { uint16_t tmpccer = 0; tmpccer = TIMx->CCER; tmpccer &= (uint16_t)~((uint16_t)TIM_CC1NP); tmpccer |= TIM_OCNPolarity; TIMx->CCER = tmpccer; } /******************************************************************************* * Function Name : TIM_OC2PolarityConfig * Description : Configures the TIMx channel 2 polarity. * Input : TIMx: where x can be 1 to 4 to select the TIM peripheral. * TIM_OCPolarity: specifies the OC2 Polarity. * TIM_OCPolarity_High: Output Compare active high. * TIM_OCPolarity_Low: Output Compare active low. * Return : None *******************************************************************************/ void TIM_OC2PolarityConfig(TIM_TypeDef* TIMx, uint16_t TIM_OCPolarity) { uint16_t tmpccer = 0; tmpccer = TIMx->CCER; tmpccer &= (uint16_t)~((uint16_t)TIM_CC2P); tmpccer |= (uint16_t)(TIM_OCPolarity << 4); TIMx->CCER = tmpccer; } /******************************************************************************* * Function Name : TIM_OC2NPolarityConfig * Description : Configures the TIMx Channel 2N polarity. * Input : TIMx: where x can be 1 to select the TIM peripheral. * TIM_OCNPolarity: specifies the OC2N Polarity. * TIM_OCNPolarity_High: Output Compare active high. * TIM_OCNPolarity_Low: Output Compare active low. * Return : None *******************************************************************************/ void TIM_OC2NPolarityConfig(TIM_TypeDef* TIMx, uint16_t TIM_OCNPolarity) { uint16_t tmpccer = 0; tmpccer = TIMx->CCER; tmpccer &= (uint16_t)~((uint16_t)TIM_CC2NP); tmpccer |= (uint16_t)(TIM_OCNPolarity << 4); TIMx->CCER = tmpccer; } /******************************************************************************* * Function Name : TIM_OC3PolarityConfig * Description : Configures the TIMx Channel 3 polarity. * Input : TIMx: where x can be 1 to 4 select the TIM peripheral. * TIM_OCPolarity: specifies the OC3 Polarity. * TIM_OCPolarity_High: Output Compare active high. * TIM_OCPolarity_Low: Output Compare active low. * Return : None *******************************************************************************/ void TIM_OC3PolarityConfig(TIM_TypeDef* TIMx, uint16_t TIM_OCPolarity) { uint16_t tmpccer = 0; tmpccer = TIMx->CCER; tmpccer &= (uint16_t)~((uint16_t)TIM_CC3P); tmpccer |= (uint16_t)(TIM_OCPolarity << 8); TIMx->CCER = tmpccer; } /******************************************************************************* * Function Name : TIM_OC3NPolarityConfig * Description : Configures the TIMx Channel 3N polarity. * Input : TIMx: where x can be 1 to select the TIM peripheral. * TIM_OCNPolarity: specifies the OC2N Polarity. * TIM_OCNPolarity_High: Output Compare active high. * TIM_OCNPolarity_Low: Output Compare active low. * Return : None *******************************************************************************/ void TIM_OC3NPolarityConfig(TIM_TypeDef* TIMx, uint16_t TIM_OCNPolarity) { uint16_t tmpccer = 0; tmpccer = TIMx->CCER; tmpccer &= (uint16_t)~((uint16_t)TIM_CC3NP); tmpccer |= (uint16_t)(TIM_OCNPolarity << 8); TIMx->CCER = tmpccer; } /******************************************************************************* * Function Name : TIM_OC4PolarityConfig * Description : Configures the TIMx channel 4 polarity. * Input : TIMx: where x can be 1 to 4 select the TIM peripheral. * TIM_OCPolarity: specifies the OC4 Polarity. * TIM_OCPolarity_High: Output Compare active high. * TIM_OCPolarity_Low: Output Compare active low. * Return : None *******************************************************************************/ void TIM_OC4PolarityConfig(TIM_TypeDef* TIMx, uint16_t TIM_OCPolarity) { uint16_t tmpccer = 0; tmpccer = TIMx->CCER; tmpccer &= (uint16_t)~((uint16_t)TIM_CC4P); tmpccer |= (uint16_t)(TIM_OCPolarity << 12); TIMx->CCER = tmpccer; } /******************************************************************************* * Function Name : TIM_CCxCmd * Description : Enables or disables the TIM Capture Compare Channel x. * Input : TIMx: where x can be 1 to 4 select the TIM peripheral. * TIM_Channel: specifies the TIM Channel. * TIM_Channel_1: TIM Channel 1. * TIM_Channel_2: TIM Channel 2. * TIM_Channel_3: TIM Channel 3. * TIM_Channel_4: TIM Channel 4. * TIM_CCx: specifies the TIM Channel CCxE bit new state. * TIM_CCx_Enable. * TIM_CCx_Disable. * Return : None *******************************************************************************/ void TIM_CCxCmd(TIM_TypeDef* TIMx, uint16_t TIM_Channel, uint16_t TIM_CCx) { uint16_t tmp = 0; tmp = CCER_CCE_Set << TIM_Channel; TIMx->CCER &= (uint16_t)~ tmp; TIMx->CCER |= (uint16_t)(TIM_CCx << TIM_Channel); } /******************************************************************************* * Function Name : TIM_CCxNCmd * Description : Enables or disables the TIM Capture Compare Channel xN. * Input : TIMx: where x can be 1 select the TIM peripheral. * TIM_Channel: specifies the TIM Channel. * TIM_Channel_1: TIM Channel 1. * TIM_Channel_2: TIM Channel 2. * TIM_Channel_3: TIM Channel 3. * TIM_CCxN: specifies the TIM Channel CCxNE bit new state. * TIM_CCxN_Enable. * TIM_CCxN_Disable. * Return : None *******************************************************************************/ void TIM_CCxNCmd(TIM_TypeDef* TIMx, uint16_t TIM_Channel, uint16_t TIM_CCxN) { uint16_t tmp = 0; tmp = CCER_CCNE_Set << TIM_Channel; TIMx->CCER &= (uint16_t) ~tmp; TIMx->CCER |= (uint16_t)(TIM_CCxN << TIM_Channel); } /******************************************************************************* * Function Name : TIM_SelectOCxM * Description : Selects the TIM Output Compare Mode. * Input : TIMx: where x can be 1 to 4 select the TIM peripheral. * TIM_Channel: specifies the TIM Channel. * TIM_Channel_1: TIM Channel 1. * TIM_Channel_2: TIM Channel 2. * TIM_Channel_3: TIM Channel 3. * TIM_Channel_4: TIM Channel 4. * TIM_OCMode: specifies the TIM Output Compare Mode. * TIM_OCMode_Timing. * TIM_OCMode_Active. * TIM_OCMode_Toggle. * TIM_OCMode_PWM1. * TIM_OCMode_PWM2. * TIM_ForcedAction_Active. * TIM_ForcedAction_InActive. * Return : None *******************************************************************************/ void TIM_SelectOCxM(TIM_TypeDef* TIMx, uint16_t TIM_Channel, uint16_t TIM_OCMode) { uint32_t tmp = 0; uint16_t tmp1 = 0; tmp = (uint32_t) TIMx; tmp += CHCTLR_Offset; tmp1 = CCER_CCE_Set << (uint16_t)TIM_Channel; TIMx->CCER &= (uint16_t) ~tmp1; if((TIM_Channel == TIM_Channel_1) ||(TIM_Channel == TIM_Channel_3)) { tmp += (TIM_Channel>>1); *(__IO uint32_t *) tmp &= (uint32_t)~((uint32_t)TIM_OC1M); *(__IO uint32_t *) tmp |= TIM_OCMode; } else { tmp += (uint16_t)(TIM_Channel - (uint16_t)4)>> (uint16_t)1; *(__IO uint32_t *) tmp &= (uint32_t)~((uint32_t)TIM_OC2M); *(__IO uint32_t *) tmp |= (uint16_t)(TIM_OCMode << 8); } } /******************************************************************************* * Function Name : TIM_UpdateDisableConfig * Description : Enables or Disables the TIMx Update event. * Input : TIMx: where x can be 1 to 4 select the TIM peripheral. * NewState: ENABLE or DISABLE. * Return : None *******************************************************************************/ void TIM_UpdateDisableConfig(TIM_TypeDef* TIMx, FunctionalState NewState) { if (NewState != DISABLE) { TIMx->CTLR1 |= TIM_UDIS; } else { TIMx->CTLR1 &= (uint16_t)~((uint16_t)TIM_UDIS); } } /******************************************************************************* * Function Name : TIM_UpdateRequestConfig * Description : Configures the TIMx Update Request Interrupt source. * Input : TIMx: where x can be 1 to 4 select the TIM peripheral. * TIM_UpdateSource: specifies the Update source. * TIM_UpdateSource_Regular. * TIM_UpdateSource_Global. * Return : None *******************************************************************************/ void TIM_UpdateRequestConfig(TIM_TypeDef* TIMx, uint16_t TIM_UpdateSource) { if (TIM_UpdateSource != TIM_UpdateSource_Global) { TIMx->CTLR1 |= TIM_URS; } else { TIMx->CTLR1 &= (uint16_t)~((uint16_t)TIM_URS); } } /******************************************************************************* * Function Name : TIM_SelectHallSensor * Description : Enables or disables the TIMx's Hall sensor interface. * Input : TIMx: where x can be 1 to 4 select the TIM peripheral. * NewState: ENABLE or DISABLE. * Return : None *******************************************************************************/ void TIM_SelectHallSensor(TIM_TypeDef* TIMx, FunctionalState NewState) { if (NewState != DISABLE) { TIMx->CTLR2 |= TIM_TI1S; } else { TIMx->CTLR2 &= (uint16_t)~((uint16_t)TIM_TI1S); } } /******************************************************************************* * Function Name : TIM_SelectOnePulseMode * Description : Selects the TIMx's One Pulse Mode. * Input : TIMx: where x can be 1 to 4 select the TIM peripheral. * TIM_OPMode: specifies the OPM Mode to be used. * TIM_OPMode_Single. * TIM_OPMode_Repetitive. * Return : None *******************************************************************************/ void TIM_SelectOnePulseMode(TIM_TypeDef* TIMx, uint16_t TIM_OPMode) { TIMx->CTLR1 &= (uint16_t)~((uint16_t)TIM_OPM); TIMx->CTLR1 |= TIM_OPMode; } /******************************************************************************* * Function Name : TIM_SelectOutputTrigger * Description : Selects the TIMx Trigger Output Mode. * Input : TIMx: where x can be 1 to 4 select the TIM peripheral. * TIM_TRGOSource: specifies the Trigger Output source. * TIM_TRGOSource_Reset: The UG bit in the TIM_EGR register is * used as the trigger output (TRGO). * TIM_TRGOSource_Enable: The Counter Enable CEN is used as the * trigger output (TRGO). * TIM_TRGOSource_Update: The update event is selected as the * trigger output (TRGO). * TIM_TRGOSource_OC1: The trigger output sends a positive pulse * when the CC1IF flag is to be set, as soon as a capture or compare match occurs (TRGO). * TIM_TRGOSource_OC1Ref: OC1REF signal is used as the trigger output (TRGO). * TIM_TRGOSource_OC2Ref: OC2REF signal is used as the trigger output (TRGO). * TIM_TRGOSource_OC3Ref: OC3REF signal is used as the trigger output (TRGO). * TIM_TRGOSource_OC4Ref: OC4REF signal is used as the trigger output (TRGO). * Return : None *******************************************************************************/ void TIM_SelectOutputTrigger(TIM_TypeDef* TIMx, uint16_t TIM_TRGOSource) { TIMx->CTLR2 &= (uint16_t)~((uint16_t)TIM_MMS); TIMx->CTLR2 |= TIM_TRGOSource; } /******************************************************************************* * Function Name : TIM_SelectSlaveMode * Description : Selects the TIMx Slave Mode. * Input : TIMx: where x can be 1 to 4 select the TIM peripheral. * TIM_SlaveMode: specifies the Timer Slave Mode. * TIM_SlaveMode_Reset: Rising edge of the selected trigger * signal (TRGI) re-initializes. * TIM_SlaveMode_Gated: The counter clock is enabled when the * trigger signal (TRGI) is high. * TIM_SlaveMode_Trigger: The counter starts at a rising edge * of the trigger TRGI. * TIM_SlaveMode_External1: Rising edges of the selected trigger * (TRGI) clock the counter. * Return : None *******************************************************************************/ void TIM_SelectSlaveMode(TIM_TypeDef* TIMx, uint16_t TIM_SlaveMode) { TIMx->SMCFGR &= (uint16_t)~((uint16_t)TIM_SMS); TIMx->SMCFGR |= TIM_SlaveMode; } /******************************************************************************* * Function Name : TIM_SelectMasterSlaveMode * Description : Sets or Resets the TIMx Master/Slave Mode. * Input : TIMx: where x can be 1 to 4 select the TIM peripheral. * TIM_MasterSlaveMode: specifies the Timer Master Slave Mode. * TIM_MasterSlaveMode_Enable: synchronization between the current * timer and its slaves (through TRGO). * TIM_MasterSlaveMode_Disable: No action. * Return : None *******************************************************************************/ void TIM_SelectMasterSlaveMode(TIM_TypeDef* TIMx, uint16_t TIM_MasterSlaveMode) { TIMx->SMCFGR &= (uint16_t)~((uint16_t)TIM_MSM); TIMx->SMCFGR |= TIM_MasterSlaveMode; } /******************************************************************************* * Function Name : TIM_SetCounter * Description : Sets the TIMx Counter Register value. * Input : TIMx: where x can be 1 to 4 select the TIM peripheral. * Counter: specifies the Counter register new value. * Return : None *******************************************************************************/ void TIM_SetCounter(TIM_TypeDef* TIMx, uint16_t Counter) { TIMx->CNT = Counter; } /******************************************************************************* * Function Name : TIM_SetAutoreload * Description : Sets the TIMx Autoreload Register value. * Input : TIMx: where x can be 1 to 4 select the TIM peripheral. * Autoreload: specifies the Autoreload register new value. * Return : None *******************************************************************************/ void TIM_SetAutoreload(TIM_TypeDef* TIMx, uint16_t Autoreload) { TIMx->ATRLR = Autoreload; } /******************************************************************************* * Function Name : TIM_SetCompare1 * Description : Sets the TIMx Capture Compare1 Register value. * Input : TIMx: where x can be 1 to 4 select the TIM peripheral. * Compare1: specifies the Capture Compare1 register new value. * Return : None *******************************************************************************/ void TIM_SetCompare1(TIM_TypeDef* TIMx, uint16_t Compare1) { TIMx->CH1CVR = Compare1; } /******************************************************************************* * Function Name : TIM_SetCompare2 * Description : Sets the TIMx Capture Compare2 Register value. * Input : TIMx: where x can be 1 to 4 select the TIM peripheral. * Compare2: specifies the Capture Compare2 register new value. * Return : None *******************************************************************************/ void TIM_SetCompare2(TIM_TypeDef* TIMx, uint16_t Compare2) { TIMx->CH2CVR = Compare2; } /******************************************************************************* * Function Name : TIM_SetCompare3 * Description : Sets the TIMx Capture Compare3 Register value. * Input : TIMx: where x can be 1 to 4 select the TIM peripheral. * Compare3: specifies the Capture Compare3 register new value. * Return : None *******************************************************************************/ void TIM_SetCompare3(TIM_TypeDef* TIMx, uint16_t Compare3) { TIMx->CH3CVR = Compare3; } /******************************************************************************* * Function Name : TIM_SetCompare4 * Description : Sets the TIMx Capture Compare4 Register value. * Input : TIMx: where x can be 1 to 4 select the TIM peripheral. * Compare4: specifies the Capture Compare4 register new value. * Return : None *******************************************************************************/ void TIM_SetCompare4(TIM_TypeDef* TIMx, uint16_t Compare4) { TIMx->CH4CVR = Compare4; } /******************************************************************************* * Function Name : TIM_SetIC1Prescaler * Description : Sets the TIMx Input Capture 1 prescaler. * Input : TIMx: where x can be 1 to 4 select the TIM peripheral. * TIM_ICPSC: specifies the Input Capture1 prescaler new value. * TIM_ICPSC_DIV1: no prescaler. * TIM_ICPSC_DIV2: capture is done once every 2 events. * TIM_ICPSC_DIV4: capture is done once every 4 events. * TIM_ICPSC_DIV8: capture is done once every 8 events. * Return : None *******************************************************************************/ void TIM_SetIC1Prescaler(TIM_TypeDef* TIMx, uint16_t TIM_ICPSC) { TIMx->CHCTLR1 &= (uint16_t)~((uint16_t)TIM_IC1PSC); TIMx->CHCTLR1 |= TIM_ICPSC; } /******************************************************************************* * Function Name : TIM_SetIC2Prescaler * Description : Sets the TIMx Input Capture 2 prescaler. * Input : TIMx: where x can be 1 to 4 select the TIM peripheral. * TIM_ICPSC: specifies the Input Capture1 prescaler new value. * TIM_ICPSC_DIV1: no prescaler. * TIM_ICPSC_DIV2: capture is done once every 2 events. * TIM_ICPSC_DIV4: capture is done once every 4 events. * TIM_ICPSC_DIV8: capture is done once every 8 events. * Return : None *******************************************************************************/ void TIM_SetIC2Prescaler(TIM_TypeDef* TIMx, uint16_t TIM_ICPSC) { TIMx->CHCTLR1 &= (uint16_t)~((uint16_t)TIM_IC2PSC); TIMx->CHCTLR1 |= (uint16_t)(TIM_ICPSC << 8); } /******************************************************************************* * Function Name : TIM_SetIC3Prescaler * Description : Sets the TIMx Input Capture 3 prescaler. * Input : TIMx: where x can be 1 to 4 select the TIM peripheral. * TIM_ICPSC: specifies the Input Capture1 prescaler new value. * TIM_ICPSC_DIV1: no prescaler. * TIM_ICPSC_DIV2: capture is done once every 2 events. * TIM_ICPSC_DIV4: capture is done once every 4 events. * TIM_ICPSC_DIV8: capture is done once every 8 events. * Return : None *******************************************************************************/ void TIM_SetIC3Prescaler(TIM_TypeDef* TIMx, uint16_t TIM_ICPSC) { TIMx->CHCTLR2 &= (uint16_t)~((uint16_t)TIM_IC3PSC); TIMx->CHCTLR2 |= TIM_ICPSC; } /******************************************************************************* * Function Name : TIM_SetIC4Prescaler * Description : Sets the TIMx Input Capture 4 prescaler. * Input : TIMx: where x can be 1 to 4 select the TIM peripheral. * TIM_ICPSC: specifies the Input Capture1 prescaler new value. * TIM_ICPSC_DIV1: no prescaler. * TIM_ICPSC_DIV2: capture is done once every 2 events. * TIM_ICPSC_DIV4: capture is done once every 4 events. * TIM_ICPSC_DIV8: capture is done once every 8 events. * Return : None *******************************************************************************/ void TIM_SetIC4Prescaler(TIM_TypeDef* TIMx, uint16_t TIM_ICPSC) { TIMx->CHCTLR2 &= (uint16_t)~((uint16_t)TIM_IC4PSC); TIMx->CHCTLR2 |= (uint16_t)(TIM_ICPSC << 8); } /******************************************************************************* * Function Name : TIM_SetClockDivision * Description : Sets the TIMx Clock Division value. * Input : TIMx: where x can be 1 to 4 select the TIM peripheral. * TIM_CKD: specifies the clock division value. * TIM_CKD_DIV1: TDTS = Tck_tim. * TIM_CKD_DIV2: TDTS = 2*Tck_tim. * TIM_CKD_DIV4: TDTS = 4*Tck_tim. * Return : None *******************************************************************************/ void TIM_SetClockDivision(TIM_TypeDef* TIMx, uint16_t TIM_CKD) { TIMx->CTLR1 &= (uint16_t)~((uint16_t)TIM_CTLR1_CKD); TIMx->CTLR1 |= TIM_CKD; } /******************************************************************************* * Function Name : TIM_GetCapture1 * Description : Gets the TIMx Input Capture 1 value. * Input : TIMx: where x can be 1 to 4 select the TIM peripheral. * Return : TIMx->CH1CVR: Capture Compare 1 Register value. *******************************************************************************/ uint16_t TIM_GetCapture1(TIM_TypeDef* TIMx) { return TIMx->CH1CVR; } /******************************************************************************* * Function Name : TIM_GetCapture2 * Description : Gets the TIMx Input Capture 1 value. * Input : TIMx: where x can be 1 to 4 select the TIM peripheral. * Return : TIMx->CH2CVR: Capture Compare 2 Register value. *******************************************************************************/ uint16_t TIM_GetCapture2(TIM_TypeDef* TIMx) { return TIMx->CH2CVR; } /******************************************************************************* * Function Name : TIM_GetCapture3 * Description : Gets the TIMx Input Capture 1 value. * Input : TIMx: where x can be 1 to 4 select the TIM peripheral. * Return : TIMx->CH3CVR: Capture Compare 3 Register value. *******************************************************************************/ uint16_t TIM_GetCapture3(TIM_TypeDef* TIMx) { return TIMx->CH3CVR; } /******************************************************************************* * Function Name : TIM_GetCapture4 * Description : Gets the TIMx Input Capture 1 value. * Input : TIMx: where x can be 1 to 4 select the TIM peripheral. * Return : TIMx->CH4CVR: Capture Compare 4 Register value. *******************************************************************************/ uint16_t TIM_GetCapture4(TIM_TypeDef* TIMx) { return TIMx->CH4CVR; } /******************************************************************************* * Function Name : TIM_GetCounter * Description : Gets the TIMx Counter value. * Input : TIMx: where x can be 1 to 4 select the TIM peripheral. * Return : TIMx->CNT: Counter Register value. *******************************************************************************/ uint16_t TIM_GetCounter(TIM_TypeDef* TIMx) { return TIMx->CNT; } /******************************************************************************* * Function Name : TIM_GetPrescaler * Description : Gets the TIMx Prescaler value. * Input : TIMx: where x can be 1 to 4 select the TIM peripheral. * Return : TIMx->PSC: Prescaler Register value. *******************************************************************************/ uint16_t TIM_GetPrescaler(TIM_TypeDef* TIMx) { return TIMx->PSC; } /******************************************************************************* * Function Name : TIM_GetFlagStatus * Description : Checks whether the specified TIM flag is set or not. * Input : TIMx: where x can be 1 to 4 select the TIM peripheral. * TIM_FLAG: specifies the flag to check. * TIM_FLAG_Update: TIM update Flag. * TIM_FLAG_CC1: TIM Capture Compare 1 Flag. * TIM_FLAG_CC2: TIM Capture Compare 2 Flag. * TIM_FLAG_CC3: TIM Capture Compare 3 Flag. * TIM_FLAG_CC4: TIM Capture Compare 4 Flag. * TIM_FLAG_COM: TIM Commutation Flag. * TIM_FLAG_Trigger: TIM Trigger Flag. * TIM_FLAG_Break: TIM Break Flag. * TIM_FLAG_CC1OF: TIM Capture Compare 1 overcapture Flag. * TIM_FLAG_CC2OF: TIM Capture Compare 2 overcapture Flag. * TIM_FLAG_CC3OF: TIM Capture Compare 3 overcapture Flag. * TIM_FLAG_CC4OF: TIM Capture Compare 4 overcapture Flag. * Return : bitstatus: SET or RESET. *******************************************************************************/ FlagStatus TIM_GetFlagStatus(TIM_TypeDef* TIMx, uint16_t TIM_FLAG) { ITStatus bitstatus = RESET; if ((TIMx->INTFR & TIM_FLAG) != (uint16_t)RESET) { bitstatus = SET; } else { bitstatus = RESET; } return bitstatus; } /******************************************************************************* * Function Name : TIM_ClearFlag * Description : Clears the TIMx's pending flags. * Input : TIMx: where x can be 1 to 4 select the TIM peripheral. * TIM_FLAG: specifies the flag bit to clear. * TIM_FLAG_Update: TIM update Flag. * TIM_FLAG_CC1: TIM Capture Compare 1 Flag. * TIM_FLAG_CC2: TIM Capture Compare 2 Flag. * TIM_FLAG_CC3: TIM Capture Compare 3 Flag. * TIM_FLAG_CC4: TIM Capture Compare 4 Flag. * TIM_FLAG_COM: TIM Commutation Flag. * TIM_FLAG_Trigger: TIM Trigger Flag. * TIM_FLAG_Break: TIM Break Flag. * TIM_FLAG_CC1OF: TIM Capture Compare 1 overcapture Flag. * TIM_FLAG_CC2OF: TIM Capture Compare 2 overcapture Flag. * TIM_FLAG_CC3OF: TIM Capture Compare 3 overcapture Flag. * TIM_FLAG_CC4OF: TIM Capture Compare 4 overcapture Flag. * Return : None *******************************************************************************/ void TIM_ClearFlag(TIM_TypeDef* TIMx, uint16_t TIM_FLAG) { TIMx->INTFR = (uint16_t)~TIM_FLAG; } /******************************************************************************* * Function Name : TIM_GetITStatus * Description : Checks whether the TIM interrupt has occurred or not. * Input : TIMx: where x can be 1 to 4 select the TIM peripheral. * TIM_IT: specifies the TIM interrupt source to check. * TIM_IT_Update: TIM update Interrupt source. * TIM_IT_CC1: TIM Capture Compare 1 Interrupt source. * TIM_IT_CC2: TIM Capture Compare 2 Interrupt source. * TIM_IT_CC3: TIM Capture Compare 3 Interrupt source. * TIM_IT_CC4: TIM Capture Compare 4 Interrupt source. * TIM_IT_COM: TIM Commutation Interrupt source. * TIM_IT_Trigger: TIM Trigger Interrupt source. * TIM_IT_Break: TIM Break Interrupt source. * Return : bitstatus: SET or RESET. *******************************************************************************/ ITStatus TIM_GetITStatus(TIM_TypeDef* TIMx, uint16_t TIM_IT) { ITStatus bitstatus = RESET; uint16_t itstatus = 0x0, itenable = 0x0; itstatus = TIMx->INTFR & TIM_IT; itenable = TIMx->DMAINTENR & TIM_IT; if ((itstatus != (uint16_t)RESET) && (itenable != (uint16_t)RESET)) { bitstatus = SET; } else { bitstatus = RESET; } return bitstatus; } /******************************************************************************* * Function Name : TIM_ClearITPendingBit * Description : Clears the TIMx's interrupt pending bits. * Input : TIMx: where x can be 1 to 4 select the TIM peripheral. * TIM_IT: specifies the pending bit to clear. * TIM_IT_Update: TIM update Interrupt source. * TIM_IT_CC1: TIM Capture Compare 1 Interrupt source. * TIM_IT_CC2: TIM Capture Compare 2 Interrupt source. * TIM_IT_CC3: TIM Capture Compare 3 Interrupt source. * TIM_IT_CC4: TIM Capture Compare 4 Interrupt source. * TIM_IT_COM: TIM Commutation Interrupt source. * TIM_IT_Trigger: TIM Trigger Interrupt source. * TIM_IT_Break: TIM Break Interrupt source. * Return : None *******************************************************************************/ void TIM_ClearITPendingBit(TIM_TypeDef* TIMx, uint16_t TIM_IT) { TIMx->INTFR = (uint16_t)~TIM_IT; } /******************************************************************************* * Function Name : TI1_Config * Description : Configure the TI1 as Input. * Input : TIMx: where x can be 1 to 4 select the TIM peripheral. * IM_ICPolarity : The Input Polarity. * TIM_ICPolarity_Rising. * TIM_ICPolarity_Falling. * TIM_ICSelection: specifies the input to be used. * TIM_ICSelection_DirectTI: TIM Input 1 is selected to be * connected to IC1. * TIM_ICSelection_IndirectTI: TIM Input 1 is selected to be * connected to IC2. * TIM_ICSelection_TRC: TIM Input 1 is selected to be connected * to TRC. * TIM_ICFilter: Specifies the Input Capture Filter. * This parameter must be a value between 0x00 and 0x0F. * Return : None *******************************************************************************/ static void TI1_Config(TIM_TypeDef* TIMx, uint16_t TIM_ICPolarity, uint16_t TIM_ICSelection, uint16_t TIM_ICFilter) { uint16_t tmpccmr1 = 0, tmpccer = 0; TIMx->CCER &= (uint16_t)~((uint16_t)TIM_CC1E); tmpccmr1 = TIMx->CHCTLR1; tmpccer = TIMx->CCER; tmpccmr1 &= (uint16_t)(((uint16_t)~((uint16_t)TIM_CC1S)) & ((uint16_t)~((uint16_t)TIM_IC1F))); tmpccmr1 |= (uint16_t)(TIM_ICSelection | (uint16_t)(TIM_ICFilter << (uint16_t)4)); if((TIMx == TIM1) || (TIMx == TIM2) || (TIMx == TIM3) || (TIMx == TIM4) ) { tmpccer &= (uint16_t)~((uint16_t)(TIM_CC1P)); tmpccer |= (uint16_t)(TIM_ICPolarity | (uint16_t)TIM_CC1E); } else { tmpccer &= (uint16_t)~((uint16_t)(TIM_CC1P | TIM_CC1NP)); tmpccer |= (uint16_t)(TIM_ICPolarity | (uint16_t)TIM_CC1E); } TIMx->CHCTLR1 = tmpccmr1; TIMx->CCER = tmpccer; } /******************************************************************************* * Function Name : TI2_Config * Description : Configure the TI2 as Input. * Input : TIMx: where x can be 1 to 4 select the TIM peripheral. * IM_ICPolarity : The Input Polarity. * TIM_ICPolarity_Rising. * TIM_ICPolarity_Falling. * TIM_ICSelection: specifies the input to be used. * TIM_ICSelection_DirectTI: TIM Input 2 is selected to be * connected to IC2. * TIM_ICSelection_IndirectTI: TIM Input 2 is selected to be * connected to IC1. * TIM_ICSelection_TRC: TIM Input 2 is selected to be connected * to TRC. * TIM_ICFilter: Specifies the Input Capture Filter. * This parameter must be a value between 0x00 and 0x0F. * Return : None *******************************************************************************/ static void TI2_Config(TIM_TypeDef* TIMx, uint16_t TIM_ICPolarity, uint16_t TIM_ICSelection, uint16_t TIM_ICFilter) { uint16_t tmpccmr1 = 0, tmpccer = 0, tmp = 0; TIMx->CCER &= (uint16_t)~((uint16_t)TIM_CC2E); tmpccmr1 = TIMx->CHCTLR1; tmpccer = TIMx->CCER; tmp = (uint16_t)(TIM_ICPolarity << 4); tmpccmr1 &= (uint16_t)(((uint16_t)~((uint16_t)TIM_CC2S)) & ((uint16_t)~((uint16_t)TIM_IC2F))); tmpccmr1 |= (uint16_t)(TIM_ICFilter << 12); tmpccmr1 |= (uint16_t)(TIM_ICSelection << 8); if((TIMx == TIM1) || (TIMx == TIM2) || (TIMx == TIM3) || (TIMx == TIM4)) { tmpccer &= (uint16_t)~((uint16_t)(TIM_CC2P)); tmpccer |= (uint16_t)(tmp | (uint16_t)TIM_CC2E); } else { tmpccer &= (uint16_t)~((uint16_t)(TIM_CC2P | TIM_CC2NP)); tmpccer |= (uint16_t)(TIM_ICPolarity | (uint16_t)TIM_CC2E); } TIMx->CHCTLR1 = tmpccmr1 ; TIMx->CCER = tmpccer; } /******************************************************************************* * Function Name : TI3_Config * Description : Configure the TI3 as Input. * Input : TIMx: where x can be 1 to 4 select the TIM peripheral. * IM_ICPolarity : The Input Polarity. * TIM_ICPolarity_Rising. * TIM_ICPolarity_Falling. * TIM_ICSelection: specifies the input to be used. * TIM_ICSelection_DirectTI: TIM Input 3 is selected to be * connected to IC3. * TIM_ICSelection_IndirectTI: TIM Input 3 is selected to be * connected to IC4. * TIM_ICSelection_TRC: TIM Input 3 is selected to be connected * to TRC. * TIM_ICFilter: Specifies the Input Capture Filter. * This parameter must be a value between 0x00 and 0x0F. * Return : None *******************************************************************************/ static void TI3_Config(TIM_TypeDef* TIMx, uint16_t TIM_ICPolarity, uint16_t TIM_ICSelection, uint16_t TIM_ICFilter) { uint16_t tmpccmr2 = 0, tmpccer = 0, tmp = 0; TIMx->CCER &= (uint16_t)~((uint16_t)TIM_CC3E); tmpccmr2 = TIMx->CHCTLR2; tmpccer = TIMx->CCER; tmp = (uint16_t)(TIM_ICPolarity << 8); tmpccmr2 &= (uint16_t)(((uint16_t)~((uint16_t)TIM_CC3S)) & ((uint16_t)~((uint16_t)TIM_IC3F))); tmpccmr2 |= (uint16_t)(TIM_ICSelection | (uint16_t)(TIM_ICFilter << (uint16_t)4)); if((TIMx == TIM1) || (TIMx == TIM2) || (TIMx == TIM3) || (TIMx == TIM4)) { tmpccer &= (uint16_t)~((uint16_t)(TIM_CC3P)); tmpccer |= (uint16_t)(tmp | (uint16_t)TIM_CC3E); } else { tmpccer &= (uint16_t)~((uint16_t)(TIM_CC3P | TIM_CC3NP)); tmpccer |= (uint16_t)(TIM_ICPolarity | (uint16_t)TIM_CC3E); } TIMx->CHCTLR2 = tmpccmr2; TIMx->CCER = tmpccer; } /******************************************************************************* * Function Name : TI4_Config * Description : Configure the TI4 as Input. * Input : TIMx: where x can be 1 to 4 select the TIM peripheral. * IM_ICPolarity : The Input Polarity. * TIM_ICPolarity_Rising. * TIM_ICPolarity_Falling. * TIM_ICSelection: specifies the input to be used. * TIM_ICSelection_DirectTI: TIM Input 4 is selected to be * connected to IC4. * TIM_ICSelection_IndirectTI: TIM Input 4 is selected to be * connected to IC3. * TIM_ICSelection_TRC: TIM Input 4 is selected to be connected * to TRC. * TIM_ICFilter: Specifies the Input Capture Filter. * This parameter must be a value between 0x00 and 0x0F. * Return : None *******************************************************************************/ static void TI4_Config(TIM_TypeDef* TIMx, uint16_t TIM_ICPolarity, uint16_t TIM_ICSelection, uint16_t TIM_ICFilter) { uint16_t tmpccmr2 = 0, tmpccer = 0, tmp = 0; TIMx->CCER &= (uint16_t)~((uint16_t)TIM_CC4E); tmpccmr2 = TIMx->CHCTLR2; tmpccer = TIMx->CCER; tmp = (uint16_t)(TIM_ICPolarity << 12); tmpccmr2 &= (uint16_t)((uint16_t)(~(uint16_t)TIM_CC4S) & ((uint16_t)~((uint16_t)TIM_IC4F))); tmpccmr2 |= (uint16_t)(TIM_ICSelection << 8); tmpccmr2 |= (uint16_t)(TIM_ICFilter << 12); if((TIMx == TIM1) || (TIMx == TIM2) || (TIMx == TIM3) || (TIMx == TIM4) ) { tmpccer &= (uint16_t)~((uint16_t)(TIM_CC4P)); tmpccer |= (uint16_t)(tmp | (uint16_t)TIM_CC4E); } else { tmpccer &= (uint16_t)~((uint16_t)(TIM_CC3P | TIM_CC4NP)); tmpccer |= (uint16_t)(TIM_ICPolarity | (uint16_t)TIM_CC4E); } TIMx->CHCTLR2 = tmpccmr2; TIMx->CCER = tmpccer; }