void TIM_OC4PreloadConfig(TIM_TypeDef* TIMx, uint16_t TIM_OCPreload); void TIM_OC1FastConfig(TIM_TypeDef* TIMx, uint16_t TIM_OCFast); //配置快速使能 void TIM_OC2FastConfig(TIM_TypeDef* TIMx, uint16_t TIM_OCFast); void TIM_OC3FastConfig(TIM_TypeDef* TIMx, uint16_t TIM_OCFast...
TIM_OCInitStructure.TIM_OCMode = TIM_OCMode_PWM1; TIM_OCInitStructure.TIM_Pulse = 200; TIM_OCInitStructure.TIM_OCPolarity = TIM_OCPolarity_High; TIM_OCInitStructure.TIM_OutputState = TIM_OutputState_Enable; TIM_OC1Init(TIM2, &TIM_OCInitStructure); TIM_OC1PreloadConfig(TIM2, TIM_OCPreload_Enable...
TIM_OCInitStructure.TIM_OCMode = TIM_OCMode_PWM1; // 输出使能 TIM_OCInitStructure.TIM_OutputState = TIM_OutputState_Enable; //我上面是向上计数输出所以CNT<CCR时有效配置此时输出为高电平 TIM_OCInitStructure.TIM_OCPolarity = TIM_OCPolarity_High; TIM_OCInitStructure.TIM_Pulse = c ; TIM_OC1Init(TIM...
TIM_TimeBaseStructure.TIM_Prescaler = 0; TIM_TimeBaseStructure.TIM_ClockDivision = 0; TIM_TimeBaseStructure.TIM_CounterMode = TIM_CounterMode_Up; TIM_TimeBaseInit(TIM2, &TIM_TimeBaseStructure); TIM_PrescalerConfig(TIM2, 35999, TIM_PSCReloadMode_Immediate); TIM_OCInitStructure.TIM_OCMode = TI...
这是STM32数据手册上对TIM3通用定时器复用功能重映象的描述,假设让PA6作为PWM输出,从图中可以看出PA6对应TIM3的通道1, 使能TIM3通道1的函数为 TIM_OC1Init();1 同样的,如果想要使能PA7,它对应的是TIM3的通道2,那么使能通道2的函数便是: TIM_OC2Init()1 ...
TIM_OCInitTypeStrue.TIM_OCMode=TIM_OCMode_PWM1;//PWM模式1,PWM模式2TIM_OC1Init(TIM3,&TIM_OCInitTypeStrue);//通道1初始化//预装载TIM_OC1PreloadConfig(TIM3,ENABLE);TIM_SetCompare1(TIM3,led0pwm);//每个端口的通道不一样 1 PWM通道 ...
在使用库函数(3.5版本),将通用定时器选用tiM_OCMode_Timing模式,同时使能4个通道中断,可是进不了定时器的中断函数。当选择TIM_OCMode_Toggle模式时,就能进入到中断函数。在3.5库版本手册中定时器的例程中有两个,分别是TIMEBase(使用的是TIM_OCMode_Timing 模式 )和OCToggle(使用的是TIM_OCMode_Toggle),两者程序...
TIM_OCMode_PWM2PWM模式2 在向上计数时,一旦TIMx_CNT<TIMx_CCR1时通道1为无效电平,否则为有效电平 在向下计数时,一旦TIMx_CNT>TIMx_CCR1时通道1为有效电平,否则为无效电平。 死区插入和刹车功能 互补PWM还支持插入死区时间,最主要的寄存器是TIMx_BDTR,在标准库中把相关的变量封装到TIM_BDTRInitTypeDef结构体...
TIM_TimeBaseStructure.TIM_CounterMode = TIM_CounterMode_Up; //设置计数溢出大小,每计1000个数就产生一个更新事件 TIM_TimeBaseStructure.TIM_Period = 1000-1; //将配置应用到TIM2中 //禁止ARR预装载缓冲器 TIM_ARRPreloadConfig(TIM2, DISABLE); ...
TIM_ClockDivision = TIM_CKD_DIV1; // 时钟分频因子为1 TIM_TimeBaseStructure.TIM_CounterMode = TIM_CounterMode_Up; // 向上计数模式 HAL_TIM_Base_Init(&TIM_TimeBaseStructure); // 初始化定时器基础参数 TIM_OCInitStructure.TIM_OCMode = TIM_OCMode_PWM1; // 输出模式为PWM1 TIM_OCInitStructure....