TIM3->DIER|=1<<0; //允许更新中断 关闭定时器:TIM3->CR1 &= ~(0x01); 开启定时器:TIM3->CR1 |= 0x01; MY_NVIC_Init(1,0,TIM3_IRQChannel,2);//抢占1,子优先级0,组
TIM3->CR1|=0x01; // 使能定时器 MY_NVIC_Init(1,3,TIM3_IRQn,2);} 这个似乎初始化就启动...
|= 1<<8;//OC3输出使能TIM3->CR1 = 0x0080;//ARPE使能TIM3->CR1 |= 0x01;//使能定时器3}...
TIM3->CR1|=0x01; //使能定时器3 } 我的代码只修改引脚而已，如下：void PWM_Init(u16 arr,u...
TIM2和TIM3时,由于不能同时使能,所以两个定时器里产生出来的PWM不能同步,有一个相位差。 用库函数使能如下,发现相位差较大。 TIM_Cmd(TIM2,ENABLE);//使能TIM2 TIM_Cmd(TIM3,ENABLE);//使能TIM3 改用寄存器使能如下: TIM2->CR1|=0x01; //使能定时器2...
void TIM_Cmd(TIM_TypeDef* TIMx, FunctionalState NewState){/* Check the parameters */assert_param(IS_TIM_ALL_PERIPH(TIMx));assert_param(IS_FUNCTIONAL_STATE(NewState));if (NewState != DISABLE){/* Enable the TIM Counter */TIMx->CR1 |= TIM_CR1_CEN;}else{/* Disable the TIM Counter ...
Nucleo - H745ZI-Q使用定时器2的两个通道问题求解 |= TIM_EGR_UG;TIM2->CCR2 = 20*timer2Ch1Difference;TIM2->CCER |= TIM_CCER_CC2E;TIM2->CR1 洒下墨色 2023-01-30 06:07:42 请问PWM波可不可以在一个周期的中间给高电平 同步的 TIM2->CCR1 = 2000; DELAY_MS(2); TIM2->CCR2 = ...
TIM2_ARRH = 0x03; // 配置PWM分辨率为10位，ARR=0x3FF TIM2_ARRL = 0xFF; // PWM频率=8M/0x03FF=7820Hz TIM2_CR1 |= 0x01; // 计数器使能，开始计数 }void Run(void){ TIM2_CCR1=value;TIM2_CCR3=value;TIM3_CCR2=value;TIM3_CCR1=value; //注意每个通道都...
TIM3->ARR=arr; //设定计数器自动重装值//刚好1ms TIM3->PSC=psc; //预7200,得到10Khz的计数时钟 TIM3->DIER|=1<<0; //允许更新中断 关闭定时器:TIM3->CR1 &= ~(0x01); 开启定时器:TIM3->CR1 |= 0x01; MY_NVIC_Init(1,0,TIM3_IRQChannel,2);//抢占1,子优先级0,组...