// TIM_ITConfig(TIM1,TIM_IT_Update,ENABLE); //使能中断 // 通道1 2 3 配置为PWM1模式 TIM1->CCMR1 = 0X6C6C ; // TIM1->CCMR2 = 0X006C ; // 使能比较通道1 2 3 且1电平为有效电平 TIM1->CCER = 0X0011 ; // TIM1->CCR1 = 0 ; TIM1->CCR2 = 0 ; TIM1->CCR3 = 0 ; ...
TIM1->SR &= ~0X001F ; // 通道1 2 3 配置为PWM1模式 TIM1->CCMR1 = 0X6868 ; // TIM1->CCMR2 = 0X0068 ; // 不使能比较通道1 2 3输出到IO 且1电平为有效电平 TIM1->CCER = 0X0000 ; // TIM1->CCR1 = 0 ; TIM1->CCR2 = 0 ; TIM1->CCR3 = 0 ; TIM1->CCR4 = 0 ; /...
- 1;TIM1->ARR = 250 - 1;TIM1->CCR2 = 0;TIM1->CCR3 = 0;TIM1->CCR4 = 0;...
pwm_ch_on(2);//开启TIM1_CH1 通道输出 TIM1->CCR2H = 0;//初始化PWM通道占空比 1:1 TIM1->CCR2L = Num; break; case 3: TIM1->CCMR3 |= 0x70;//设置TIM1_CH3为PWM模式2 有效电平为高电平 pwm_ch_on(3);//开启TIM1_CH1 通道输出 TIM1->CCR3H = 0;//初始化PWM通道占空比 1:1 T...
#define TIM1_CCR3_ADDRESS 0x4001003C #define TIM1_DMAR_ADDRESS 0x4001004C /* TIM DMAR...
TIM1->CCER|=3<<4; //OC2 输出使能 TIM1->CCER|=3<<8; //OC3 输出使能 TIM1->CCER|=3<<12; //OC4 输出使能 TIM1->BDTR |=1<<15; //开启OC和OCN输 TIM1->CCR1 = 20; //设定占空比0~100% TIM1->CCR2 = 40; TIM1->CCR3 = 60; ...
TIM1->CCER |= 3 << 8;//CC3 enable TIM1->CCER |= 3 << 12;//CC4 enable TIM1->CCR1...
然后将DMA的数据传输到TIM1的PWM占空比寄存器（如CCR1、CCR2、CCR3等），从而实现PWM占空比的动态更新...
TIM1_CCR3H=0;TIM1_CCR3L=0;TIM1_EGR=0X01;//UG = 1 ;初始化计数器 预装载载入影子寄存器中TIM1_CNTRH=0;//计数器清0TIM1_CNTRL=0;TIM1_CR1|=0X01;// 计数器使能,开始计数}//***// 函数名称:TOPWMVALUE// 函数功能:设置PWM占空比// 入口参数:占空比值// 出口参数:无//***voidTOPWMVAL...
OC1Init(TIM1, &TIM_OCInitStructure); //使能tim4在ccr3上的预装载寄存器 TIM_OCInitStructure.TIM...