TIM_OCInitStructure.TIM_OutputState = TIM_OutputState_Enable;//比较输出使能TIM_OCInitStructure.TIM_OCPolarity = TIM_OCPolarity_High;//输出极性:TIM输出比较极性高TIM_OCInitStructure.TIM_Pulse=CCR4_Val; TIM_OC4Init(TIM8, &TIM_OCInitStructure);//根据T指定的参数初始化外设TIM8 OC2TIM_OC4PreloadConfig(TI...
{ float d; d = duty_ch4 * pwmset_ch4;//计算占空比系数 TIM1_CCR4H = ((u16)(d))/256; TIM1_CCR4L = ((u16)(d))%256; TIM1_CCMR4 = 0x60;//PWM模式1 TIM1_CCER2 &= 0x1F;//CC4P=0,OC4高电平有效 TIM1_CCER2 |= 0x10;//CC4E=1,使能OC4 TIM1_OISR |= 0x40; //空闲...
TIM4 ->CCR4 = 63;TIM4 ->CR1 |= 1 << 7; //ARR寄存器缓冲 //TIM4 ->BDTR |= 1 ...
72-1);然后是对应PWM为设置值TIM8->CCR1TIM8->CCR2TIM8->CCR3TIM8->CCR4这样TIM8就可以输出pwm...
TIM4->CCR4=480;//设定占空比50% //TIM4->DIER |= TIM_DIER_CC4IE;//允许捕获/比较4中断 TIM...
TIM4->CCR4=500; TIM4->CCMR2|=(6<<12);//PWM模式样 TIM4->CCMR2|=(1<<11);//开启预装载功能 TIM4->CCER|=(1<<12);//CH4 开启输出对应管脚 TIM4->CCER|=0<<13;//高电平有效 TIM4->CR1|=0<<4;//向上计数 TIM4->CR1|=(1<<7);//自动重装允许 TIM4->SR=0X00; TIM4->DIER|=...
TIM1, TIM_IT_CC4, ENABLE); //CCR4的中断，这个通过设置CCR4的pulse来控制产生中断相当于PWM-ON...
#define STEPMOTOR1_ENA_CLK_ENA() {RCC_AHB1PeriphClockCmd( STEPMOTOR1_ENA_CLK ,ENABLE);}//根据实际修改:时钟线,时钟使能 #define CW 0 //正转 #define CCW 1 //反转 extern u32 Toggle_Pulse[4]; void stepmotor1234_gpio_Init(void);//初始化 ...
TIM1->CCR4H = 0;//初始化PWM通道占空比 1:1 TIM1->CCR4L = Num; break; } TIM1->CR1 |= TIM1_CR1_CEN; } //PWM占空比调节 0-100 void Driver_PWMSet(u8 ch,u8 Num) { if(Num > 100) return; switch(ch) { case 1: TIM1->CCR1L = Num; ...
define CCR4_Val ((u16)511)void main(void){ /* TIM1 Peripheral Configuration */ TIM1_DeInit(); /* Time Base configuration */ / TIM1_Period = 4095 TIM1_Prescaler = 0 TIM1_CounterMode = TIM1_COUNTERMODE_UP TIM1_RepetitionCounter = 0 / TIM1_TimeBaseInit(0, TIM1_...