TIM_Period = 100 - 1; TIM_TimeBaseInitStructure.TIM_Prescaler = 72 - 1; //输出10000Hz的方波 TIM_TimeBaseInitStructure.TIM_RepetitionCounter = 0; TIM_TimeBaseInit(TIM2, &TIM_TimeBaseInitStructure); /* 因为有些结构体成员对TI
TIM_OCPolarity = TIM_OCPolarity_High; TIM_OC1Init(TIM2, &TIM_OCInitStructure); /* 打开定时器 */ TIM_Cmd(TIM2, ENABLE); /* 电机默认关闭 */ Motor_SetMode(STOP); } 设置电机模式、速度# 根据手册,设置电机模式 void Motor_SetMode(MODE mode) { switch (mode) { case SHORT_BRAKE: /* ...
TIM_OCInitTypeDef TIM_OCInitStructure; // 配置为PWM模式1 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_H...
TIM_OCMode = TIM_OCMode_PWM1; // 输出模式为PWM1 TIM_OCInitStructure.TIM_OutputState = TIM_OutputState_Enable; // 输出使能 TIM_OCInitStructure.TIM_Pulse = 0; // 脉冲宽度为0 TIM_OCInitStructure.TIM_OCPolarity = TIM_OCPolarity_High; // 输出极性为高电平 HAL_TIM_PWM_Init(&TIM_OCInitStructure)...
利用STM32的定时器(TIM)产生PWM信号,通过调整PWM的占空比来控制RGB LED的亮度,从而实现颜色的调节。 void TIM_PWM_Init(void) { TIM_TimeBaseInitTypeDef TIM_TimeBaseStructure; TIM_OCInitTypeDef TIM_OCInitStructure; RCC_APB1PeriphClockCmd(RCC_APB1Periph_TIM2, ENABLE); TIM_TimeBaseStructure.TIM_Period =...
// 输出使能TIM_OCInitStructure.TIM_OutputState = TIM_OutputState_Enable;// 输出通道电平极性配置TIM_...
TIM_OCInitStructure.TIM_OCMode = TIM_OCMode_Toggle; //设置定时器工作在翻转模式 TIM_OCInitStructure.TIM_OutputState = TIM_OutputState_Enable; TIM_OCInitStructure.TIM_OCPolarity = TIM_OCPolarity_High; //设置4个通道 比较寄存器值 TIM_OCInitStructure.TIM_Pulse = CCR1_Val; ...
TIM_OCInitStructure.TIM_OCMode = TIM_OCMode_PWM2; //选择定时器模式:TIM脉冲宽度调制模式2 TIM_OCInitStructure.TIM_OutputState = TIM_OutputState_Enable; //比较输出使能 TIM_OCInitStructure.TIM_OCPolarity = TIM_OCPolarity_Low; //输出极性:TIM输出比较极性高 ...
譬如在PWM1模式下，TIM_OCPolarity设置为TIM_OCPolarity_High时, 输出OCx波形为凹形；TIM_OCPolarity_LOW...
void TIM2_Mode_Config(void) { TIM_TimeBaseInitTypeDef TIM_TimeBaseStructure; TIM_OCInitTypeDef TIM_OCInitStructure; TIM_TimeBaseStructure.TIM_Period = 500-1; TIM_TimeBaseStructure.TIM_Prescaler = 720-1; TIM_TimeBaseStructure.TIM_ClockDivision = 0; ...