TIM_OCInitStruct.TIM_OCMode=TIM_OCMode_PWM1; //初始化输出比较 TIM_OCInitStruct.TIM_OCPolarity=TIM_OCPolarity_High; TIM_OCInitStruct.TIM_OutputState=TIM_OutputState_Enable; TIM_OCInitStruct.TIM_Pulse=0; TIM_OC1Init(TIM1,&TIM_OCInitStruct); //定时器通道1初始化 TIM_OC4Init(TIM1,&TIM_O...
MX_TIM1_Init();/* USER CODE BEGIN 2 */ HAL_TIM_PWM_Start(&htim1,TIM_CHANNEL_1); /...
3.捕获/比较寄存器1(TIMx_CCR1)在PWM输出模式下,确定比较的值。 具体配置方式,请参考STM32的中文手册 四、实现输出PWM 1.定时器TIM1的初始化 //PWM输出初始化 //arr:自动重装值 //psc:时钟预分频数 void TIM1_PWM_Init(u16 arr,u16 psc) { GPIO_InitTypeDef GPIO_InitStructure; TIM_TimeBaseInitTypeDef...
ENABLE);//使能GPIO外设时钟使能//设置该引脚为复用输出功能,输出TIM1 CH1 CH4的PWM脉冲波形GPIO_InitStructure.GPIO_Pin=GPIO_Pin_8|GPIO_Pin_11;//TIM_CH1 //TIM_CH4GPIO_InitStructure.GPIO_Mode=GPIO_Mode_AF_PP;//复用推挽输出GPIO_InitStructure.GPIO_Speed=GPIO_Speed_50MHz;GPIO_Init(GPIOA...
//TIM1_CH1 PWM输出初始化 //arr：自动重装值 //psc：时钟预分频数 void TIM1_PWM_Init(u16 arr...
TIM_TimeBaseInitStructure.TIM_Period = 1999; TIM_TimeBaseInitStructure.TIM_Prescaler = 7199; TIM_TimeBaseInitStructure.TIM_ClockDivision = TIM_CKD_DIV1 ; TIM_TimeBaseInitStructure.TIM_CounterMode = TIM_CounterMode_Up; TIM_TimeBaseInitStructure.TIM_RepetitionCounter =0; ...
TIM_TimeBaseStructure.TIM_Prescaler =7199; //设置分频系数 TIM_TimeBaseStructure.TIM_ClockDivision = TIM_CKD_DIV1; //设置时钟分频因子 TIM_TimeBaseStructure.TIM_CounterMode = TIM_CounterMode_Up; //设置计数方式 TIM_TimeBaseInit(TIM3, &TIM_TimeBaseStructure); ...
TIM_OCInitStructure.TIM_OCPolarity = TIM_OCPolarity_High; //输出极性:TIM输出比较极性高 TIM_OC1Ini...
void TIM3_Mode_Config(void) { TIM_TimeBaseInitTypeDef TIM_TimeBaseStructure; TIM_OCInitTypeDef TIM_OCInitStructure; /* PWM信号电平跳变值 */ u16 CCR1_Val = 500; u16 CCR2_Val = 375; u16 CCR3_Val = 250; u16 CCR4_Val = 125;
void TIM4_PWM_Init(u32 arr,u32 psc){ GPIO_InitTypeDef GPIO_InitStructure;TIM_TimeBaseInitTypeDef...