全校网站建设与管理,店铺设计属于什么设计,儿童故事网站建设,seo怎么做网站内容为什么不用HAL库#xff0c;使用HAL库捕获输入一个通道还尚可#xff0c;多通道捕获由于HAL的回调函数不符合我的要求#xff0c;干脆直接切换到LL库。网上找了许多#xff0c;代码处理写的不符合我的要求#xff0c;这里记录一下我的调试过程。 TIM2输出1路PWM信号#…为什么不用HAL库使用HAL库捕获输入一个通道还尚可多通道捕获由于HAL的回调函数不符合我的要求干脆直接切换到LL库。网上找了许多代码处理写的不符合我的要求这里记录一下我的调试过程。 TIM2输出1路PWM信号使用1分3杜邦线接到TIM3的CH2-CH3-CH4通道进行捕获输入。 #include tim.h/* TIM2 init function */ void MX_TIM2_Init(void) {LL_TIM_InitTypeDef TIM_InitStruct {0};LL_TIM_OC_InitTypeDef TIM_OC_InitStruct {0};LL_GPIO_InitTypeDef GPIO_InitStruct {0};/* Peripheral clock enable */LL_APB1_GRP1_EnableClock(LL_APB1_GRP1_PERIPH_TIM2);TIM_InitStruct.Prescaler 63;TIM_InitStruct.CounterMode LL_TIM_COUNTERMODE_UP;TIM_InitStruct.Autoreload 9999;TIM_InitStruct.ClockDivision LL_TIM_CLOCKDIVISION_DIV1;LL_TIM_Init(TIM2, TIM_InitStruct);LL_TIM_DisableARRPreload(TIM2);LL_TIM_SetClockSource(TIM2, LL_TIM_CLOCKSOURCE_INTERNAL);LL_TIM_OC_EnablePreload(TIM2, LL_TIM_CHANNEL_CH2);TIM_OC_InitStruct.OCMode LL_TIM_OCMODE_PWM1;TIM_OC_InitStruct.OCState LL_TIM_OCSTATE_DISABLE;TIM_OC_InitStruct.OCNState LL_TIM_OCSTATE_DISABLE;TIM_OC_InitStruct.CompareValue 5000;TIM_OC_InitStruct.OCPolarity LL_TIM_OCPOLARITY_HIGH;LL_TIM_OC_Init(TIM2, LL_TIM_CHANNEL_CH2, TIM_OC_InitStruct);LL_TIM_OC_DisableFast(TIM2, LL_TIM_CHANNEL_CH2);LL_TIM_SetTriggerOutput(TIM2, LL_TIM_TRGO_RESET);LL_TIM_DisableMasterSlaveMode(TIM2);/* USER CODE BEGIN TIM2_Init 2 *//* USER CODE END TIM2_Init 2 */LL_IOP_GRP1_EnableClock(LL_IOP_GRP1_PERIPH_GPIOB);/**TIM2 GPIO ConfigurationPB3 ------ TIM2_CH2*/GPIO_InitStruct.Pin LL_GPIO_PIN_3;GPIO_InitStruct.Mode LL_GPIO_MODE_ALTERNATE;GPIO_InitStruct.Speed LL_GPIO_SPEED_FREQ_LOW;GPIO_InitStruct.OutputType LL_GPIO_OUTPUT_PUSHPULL;GPIO_InitStruct.Pull LL_GPIO_PULL_NO;GPIO_InitStruct.Alternate LL_GPIO_AF_2;LL_GPIO_Init(GPIOB, GPIO_InitStruct);//-------------------------------------------LL_TIM_OC_SetCompareCH2(TIM2,2000);LL_TIM_CC_EnableChannel(TIM2,LL_TIM_CHANNEL_CH2);LL_TIM_EnableCounter(TIM2);} /* TIM3 init function */ void MX_TIM3_Init(void) {LL_TIM_InitTypeDef TIM_InitStruct {0};LL_GPIO_InitTypeDef GPIO_InitStruct {0};/* Peripheral clock enable */LL_APB1_GRP1_EnableClock(LL_APB1_GRP1_PERIPH_TIM3);LL_IOP_GRP1_EnableClock(LL_IOP_GRP1_PERIPH_GPIOA);LL_IOP_GRP1_EnableClock(LL_IOP_GRP1_PERIPH_GPIOB);/**TIM3 GPIO ConfigurationPA7 ------ TIM3_CH2PB0 ------ TIM3_CH3PB1 ------ TIM3_CH4*/GPIO_InitStruct.Pin LL_GPIO_PIN_7;GPIO_InitStruct.Mode LL_GPIO_MODE_ALTERNATE;GPIO_InitStruct.Speed LL_GPIO_SPEED_FREQ_LOW;GPIO_InitStruct.OutputType LL_GPIO_OUTPUT_PUSHPULL;GPIO_InitStruct.Pull LL_GPIO_PULL_NO;GPIO_InitStruct.Alternate LL_GPIO_AF_1;LL_GPIO_Init(GPIOA, GPIO_InitStruct);GPIO_InitStruct.Pin LL_GPIO_PIN_0;GPIO_InitStruct.Mode LL_GPIO_MODE_ALTERNATE;GPIO_InitStruct.Speed LL_GPIO_SPEED_FREQ_LOW;GPIO_InitStruct.OutputType LL_GPIO_OUTPUT_PUSHPULL;GPIO_InitStruct.Pull LL_GPIO_PULL_NO;GPIO_InitStruct.Alternate LL_GPIO_AF_1;LL_GPIO_Init(GPIOB, GPIO_InitStruct);GPIO_InitStruct.Pin LL_GPIO_PIN_1;GPIO_InitStruct.Mode LL_GPIO_MODE_ALTERNATE;GPIO_InitStruct.Speed LL_GPIO_SPEED_FREQ_LOW;GPIO_InitStruct.OutputType LL_GPIO_OUTPUT_PUSHPULL;GPIO_InitStruct.Pull LL_GPIO_PULL_NO;GPIO_InitStruct.Alternate LL_GPIO_AF_1;LL_GPIO_Init(GPIOB, GPIO_InitStruct);/* TIM3 interrupt Init */NVIC_SetPriority(TIM3_IRQn, 0);NVIC_EnableIRQ(TIM3_IRQn);/* USER CODE BEGIN TIM3_Init 1 *//* USER CODE END TIM3_Init 1 */TIM_InitStruct.Prescaler 63;TIM_InitStruct.CounterMode LL_TIM_COUNTERMODE_UP;TIM_InitStruct.Autoreload 65535;TIM_InitStruct.ClockDivision LL_TIM_CLOCKDIVISION_DIV1;LL_TIM_Init(TIM3, TIM_InitStruct);LL_TIM_DisableARRPreload(TIM3);LL_TIM_SetClockSource(TIM3, LL_TIM_CLOCKSOURCE_INTERNAL);LL_TIM_SetTriggerOutput(TIM3, LL_TIM_TRGO_RESET);LL_TIM_DisableMasterSlaveMode(TIM3);LL_TIM_IC_SetActiveInput(TIM3, LL_TIM_CHANNEL_CH2, LL_TIM_ACTIVEINPUT_DIRECTTI);LL_TIM_IC_SetPrescaler(TIM3, LL_TIM_CHANNEL_CH2, LL_TIM_ICPSC_DIV1);LL_TIM_IC_SetFilter(TIM3, LL_TIM_CHANNEL_CH2, LL_TIM_IC_FILTER_FDIV1);LL_TIM_IC_SetPolarity(TIM3, LL_TIM_CHANNEL_CH2, LL_TIM_IC_POLARITY_RISING);LL_TIM_IC_SetActiveInput(TIM3, LL_TIM_CHANNEL_CH3, LL_TIM_ACTIVEINPUT_DIRECTTI);LL_TIM_IC_SetPrescaler(TIM3, LL_TIM_CHANNEL_CH3, LL_TIM_ICPSC_DIV1);LL_TIM_IC_SetFilter(TIM3, LL_TIM_CHANNEL_CH3, LL_TIM_IC_FILTER_FDIV1);LL_TIM_IC_SetPolarity(TIM3, LL_TIM_CHANNEL_CH3, LL_TIM_IC_POLARITY_RISING);LL_TIM_IC_SetActiveInput(TIM3, LL_TIM_CHANNEL_CH4, LL_TIM_ACTIVEINPUT_DIRECTTI);LL_TIM_IC_SetPrescaler(TIM3, LL_TIM_CHANNEL_CH4, LL_TIM_ICPSC_DIV1);LL_TIM_IC_SetFilter(TIM3, LL_TIM_CHANNEL_CH4, LL_TIM_IC_FILTER_FDIV1);LL_TIM_IC_SetPolarity(TIM3, LL_TIM_CHANNEL_CH4, LL_TIM_IC_POLARITY_RISING);/* USER CODE BEGIN TIM3_Init 2 */LL_TIM_EnableIT_UPDATE(TIM3);//更新中断使能LL_TIM_EnableIT_CC2(TIM3);//捕获通道2使能LL_TIM_EnableIT_CC3(TIM3);//捕获通道3使能LL_TIM_EnableIT_CC4(TIM3);//捕获通道4使能LL_TIM_CC_EnableChannel(TIM3,LL_TIM_CHANNEL_CH2);//通道2使能LL_TIM_CC_EnableChannel(TIM3,LL_TIM_CHANNEL_CH3);//通道3使能LL_TIM_CC_EnableChannel(TIM3,LL_TIM_CHANNEL_CH4);//通道4使能LL_TIM_EnableCounter(TIM3);/* USER CODE END TIM3_Init 2 */}uint32_t TIM3_OverCnt 0; int32_t Value_Temp2 0; int32_t Value_Temp3 0; int32_t Value_Temp4 0;uint32_t TIM3_CH2_Capture_FristValue_1; uint32_t TIM3_CH2_Capture_FristValue_2; uint32_t TIM3_CH2_Capture_FristValue_3; uint32_t TIM3_CH2_Capture_HighLevel; uint32_t TIM3_CH2_Capture_LowLevel; uint8_t TIM3_CH2_CaptureNumber; //uint32_t TIM3_CH2_Freq 0; //float TIM3_CH2_Duty 0;uint32_t TIM3_CH3_Capture_FristValue_1; uint32_t TIM3_CH3_Capture_FristValue_2; uint32_t TIM3_CH3_Capture_FristValue_3; uint32_t TIM3_CH3_Capture_HighLevel; uint32_t TIM3_CH3_Capture_LowLevel; uint8_t TIM3_CH3_CaptureNumber; //uint32_t TIM3_CH3_Freq 0; //float TIM3_CH3_Duty 0;uint32_t TIM3_CH4_Capture_FristValue_1; uint32_t TIM3_CH4_Capture_FristValue_2; uint32_t TIM3_CH4_Capture_FristValue_3; uint32_t TIM3_CH4_Capture_HighLevel; uint32_t TIM3_CH4_Capture_LowLevel; uint8_t TIM3_CH4_CaptureNumber;void TIM3_CallBack(void) { //------------------------------------------CC2if(LL_TIM_IsActiveFlag_CC2(TIM3)){ LL_TIM_ClearFlag_CC2(TIM3);if(TIM3_CH2_CaptureNumber 0){TIM3_OverCnt 0;TIM3_CH2_CaptureNumber 1; // LL_TIM_SetCounter(TIM3,0); }elseif(TIM3_CH2_CaptureNumber 1){ TIM3_CH2_Capture_FristValue_1 LL_TIM_IC_GetCaptureCH2(TIM3); // 获取当前的捕获值. 即CCRx2 //设置下降沿触发LL_TIM_IC_SetPolarity(TIM3,LL_TIM_CHANNEL_CH2,LL_TIM_IC_POLARITY_FALLING); TIM3_CH2_CaptureNumber 2;TIM3_OverCnt 0; }elseif(TIM3_CH2_CaptureNumber 2){TIM3_CH2_Capture_FristValue_2 LL_TIM_IC_GetCaptureCH2(TIM3); // 获取当前的捕获值. 即CCRx2 if(TIM3_OverCnt 1){ TIM3_CH2_Capture_HighLevel TIM3_OverCnt * 65535 TIM3_CH2_Capture_FristValue_2 - TIM3_CH2_Capture_FristValue_1; }else{Value_Temp2 TIM3_CH2_Capture_FristValue_2 - TIM3_CH2_Capture_FristValue_1;Value_Temp2 Value_Temp20?Value_Temp2:0; TIM3_CH2_Capture_HighLevel TIM3_OverCnt * 65535 Value_Temp2;} //设置上升沿触发LL_TIM_IC_SetPolarity(TIM3,LL_TIM_CHANNEL_CH2,LL_TIM_IC_POLARITY_RISING); TIM3_CH2_CaptureNumber 3;TIM3_OverCnt 0;}elseif(TIM3_CH2_CaptureNumber 3){TIM3_CH2_Capture_FristValue_3 LL_TIM_IC_GetCaptureCH2(TIM3); // 获取当前的捕获值. 即CCRx2 if(TIM3_OverCnt 1){TIM3_CH2_Capture_LowLevel TIM3_OverCnt * 65535 TIM3_CH2_Capture_FristValue_3 - TIM3_CH2_Capture_FristValue_2; }else{Value_Temp2 TIM3_CH2_Capture_FristValue_3 - TIM3_CH2_Capture_FristValue_2;Value_Temp2 Value_Temp20?Value_Temp2:0;TIM3_CH2_Capture_LowLevel TIM3_OverCnt * 65535 Value_Temp2; }// //设置 沿触发LL_TIM_IC_SetPolarity(TIM3,LL_TIM_CHANNEL_CH2,LL_TIM_IC_POLARITY_FALLING); TIM3_CH2_CaptureNumber 4;TIM3_OverCnt 0;} elseif(TIM3_CH2_CaptureNumber 4){// //设置 沿触发LL_TIM_IC_SetPolarity(TIM3,LL_TIM_CHANNEL_CH2,LL_TIM_IC_POLARITY_RISING); TIM3_CH2_CaptureNumber 1;TIM3_OverCnt 0;} } //------------------------------------------CC3if(LL_TIM_IsActiveFlag_CC3(TIM3)){ LL_TIM_ClearFlag_CC3(TIM3);if(TIM3_CH3_CaptureNumber 0){TIM3_OverCnt 0;TIM3_CH3_CaptureNumber 1; // LL_TIM_SetCounter(TIM3,0); }elseif(TIM3_CH3_CaptureNumber 1){TIM3_OverCnt 0;TIM3_CH3_Capture_FristValue_1 LL_TIM_IC_GetCaptureCH3(TIM3); // 获取当前的捕获值. 即CCRx2 //设置下降沿触发LL_TIM_IC_SetPolarity(TIM3,LL_TIM_CHANNEL_CH3,LL_TIM_IC_POLARITY_FALLING); TIM3_CH3_CaptureNumber 2; }elseif(TIM3_CH3_CaptureNumber 2){TIM3_CH3_Capture_FristValue_2 LL_TIM_IC_GetCaptureCH3(TIM3); // 获取当前的捕获值. 即CCRx2 if(TIM3_OverCnt 1){ TIM3_CH3_Capture_HighLevel TIM3_OverCnt * 65535 TIM3_CH3_Capture_FristValue_2 - TIM3_CH3_Capture_FristValue_1; } else{Value_Temp3 TIM3_CH3_Capture_FristValue_2 - TIM3_CH3_Capture_FristValue_1;Value_Temp3 Value_Temp30?Value_Temp3:0; TIM3_CH3_Capture_HighLevel TIM3_OverCnt * 65535 Value_Temp3;} //设置上升沿触发LL_TIM_IC_SetPolarity(TIM3,LL_TIM_CHANNEL_CH3,LL_TIM_IC_POLARITY_RISING); TIM3_CH3_CaptureNumber 3;TIM3_OverCnt 0;}elseif(TIM3_CH3_CaptureNumber 3){TIM3_CH3_Capture_FristValue_3 LL_TIM_IC_GetCaptureCH3(TIM3); // 获取当前的捕获值. 即CCRx2 if(TIM3_OverCnt 1){ TIM3_CH3_Capture_LowLevel TIM3_OverCnt * 65535 TIM3_CH3_Capture_FristValue_3 - TIM3_CH3_Capture_FristValue_2; } else{Value_Temp3 TIM3_CH3_Capture_FristValue_3 - TIM3_CH3_Capture_FristValue_2;Value_Temp3 Value_Temp30?Value_Temp3:0; TIM3_CH3_Capture_LowLevel TIM3_OverCnt * 65535 Value_Temp3;} // //设置 沿触发LL_TIM_IC_SetPolarity(TIM3,LL_TIM_CHANNEL_CH3,LL_TIM_IC_POLARITY_FALLING); TIM3_CH3_CaptureNumber 4;TIM3_OverCnt 0;} elseif(TIM3_CH3_CaptureNumber 4){// //设置 沿触发LL_TIM_IC_SetPolarity(TIM3,LL_TIM_CHANNEL_CH3,LL_TIM_IC_POLARITY_RISING); TIM3_CH3_CaptureNumber 1;TIM3_OverCnt 0;} }//------------------------------------------CC4if(LL_TIM_IsActiveFlag_CC4(TIM3)){ LL_TIM_ClearFlag_CC4(TIM3);if(TIM3_CH4_CaptureNumber 0){TIM3_OverCnt 0;TIM3_CH4_CaptureNumber 1; // LL_TIM_SetCounter(TIM3,0); }elseif(TIM3_CH4_CaptureNumber 1){TIM3_OverCnt 0;TIM3_CH4_Capture_FristValue_1 LL_TIM_IC_GetCaptureCH4(TIM3); // 获取当前的捕获值. 即CCRx2 //设置下降沿触发LL_TIM_IC_SetPolarity(TIM3,LL_TIM_CHANNEL_CH4,LL_TIM_IC_POLARITY_FALLING); TIM3_CH4_CaptureNumber 2;}elseif(TIM3_CH4_CaptureNumber 2){TIM3_CH4_Capture_FristValue_2 LL_TIM_IC_GetCaptureCH4(TIM3); // 获取当前的捕获值. 即CCRx2 if(TIM3_OverCnt 1){ TIM3_CH4_Capture_HighLevel TIM3_OverCnt * 65535 TIM3_CH4_Capture_FristValue_2 - TIM3_CH4_Capture_FristValue_1; } else{Value_Temp4 TIM3_CH4_Capture_FristValue_2 - TIM3_CH4_Capture_FristValue_1;Value_Temp4 Value_Temp40?Value_Temp4:0; TIM3_CH4_Capture_HighLevel TIM3_OverCnt * 65535 Value_Temp4;} //设置上升沿触发LL_TIM_IC_SetPolarity(TIM3,LL_TIM_CHANNEL_CH4,LL_TIM_IC_POLARITY_RISING); TIM3_CH4_CaptureNumber 3;TIM3_OverCnt 0;}elseif(TIM3_CH4_CaptureNumber 3){TIM3_CH4_Capture_FristValue_3 LL_TIM_IC_GetCaptureCH4(TIM3); // 获取当前的捕获值. 即CCRx2 if(TIM3_OverCnt 1){ TIM3_CH4_Capture_LowLevel TIM3_OverCnt * 65535 TIM3_CH4_Capture_FristValue_3 - TIM3_CH4_Capture_FristValue_2; } else{Value_Temp4 TIM3_CH4_Capture_FristValue_3 - TIM3_CH4_Capture_FristValue_2;Value_Temp4 Value_Temp40?Value_Temp4:0; TIM3_CH4_Capture_LowLevel TIM3_OverCnt * 65535 Value_Temp4; } // //设置 沿触发LL_TIM_IC_SetPolarity(TIM3,LL_TIM_CHANNEL_CH4,LL_TIM_IC_POLARITY_FALLING); TIM3_CH4_CaptureNumber 4;TIM3_OverCnt 0;} elseif(TIM3_CH4_CaptureNumber 4){// //设置 沿触发LL_TIM_IC_SetPolarity(TIM3,LL_TIM_CHANNEL_CH4,LL_TIM_IC_POLARITY_RISING); TIM3_CH4_CaptureNumber 1;TIM3_OverCnt 0;} } //------------------------------------------Updateif(LL_TIM_IsActiveFlag_UPDATE(TIM3)){ LL_TIM_ClearFlag_UPDATE(TIM3); //每次溢出时间为65536usTIM3_OverCnt;}} #ifndef __TIM_H__ #define __TIM_H__#ifdef __cplusplus extern C { #endif/* Includes ------------------------------------------------------------------*/ #include main.hvoid MX_TIM2_Init(void); void MX_TIM3_Init(void); void TIM3_CallBack(void);#ifdef __cplusplus } #endif#endif /* __TIM_H__ */ #include main.h #include tim.h #include gpio.hvoid SystemClock_Config(void);int main(void) {HAL_Init();SystemClock_Config();MX_GPIO_Init();MX_TIM2_Init();MX_TIM3_Init();while (1){}} /*** brief This function handles TIM3 global interrupt.*/ void TIM3_IRQHandler(void) {TIM3_CallBack();}