标题:
捕获/ 比较通道(3)
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作者:
yuyang911220
时间:
2015-8-17 09:53
标题:
捕获/ 比较通道(3)
void PWM_cfg()
{
TIM_OCInitTypeDef TimOCInitStructure;
//设置缺省值
TIM_OCStructInit(&TimOCInitStructure);
//PWM模式1输出
TimOCInitStructure.TIM_OCMode = TIM_OCMode_PWM1;
//设置占空比,占空比=(CCRx/ARR)*100%或(TIM_Pulse/TIM_Period)*100%
TimOCInitStructure.TIM_Pulse = dutyfactor * 7200 / 100;
//TIM输出比较极性高
TimOCInitStructure.TIM_OCPolarity = TIM_OCPolarity_High;
//使能输出状态
TimOCInitStructure.TIM_OutputState = TIM_OutputState_Enable;
//TIM3的CH2输出
TIM_OC2Init(TIM3, &TimOCInitStructure);
//设置TIM3的PWM输出为使能
TIM_CtrlPWMOutputs(TIM3,ENABLE);
}
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