<i id="dhq1u"><meter id="dhq1u"></meter></i>

<ruby id="dhq1u"></ruby>

<rt id="dhq1u"><del id="dhq1u"></del></rt>

<li id="dhq1u"><progress id="dhq1u"></progress></li>

<label id="dhq1u"></label>

標(biāo)題: STM32C8T6怎么用輸出兩路獨立的PWM啊 [打印本頁]

---

作者: zheng980115    時間: 2017-12-9 14:59
標(biāo)題: STM32C8T6怎么用輸出兩路獨立的PWM啊
使用STM32C8T6怎么用輸出兩路獨立的PWM啊，配置如下，是不是我的配置有問題啊。
void tim2_config(void)
{
    TIM_TimeBaseInitTypeDef TIM_TimeBaseInitStruct;
   
    tim2_nvic_config();
   
    RCC_APB1PeriphClockCmd(RCC_APB1Periph_TIM2,ENABLE);
    TIM_DeInit(TIM2);
   
    TIM_TimeBaseInitStruct.TIM_Prescaler = 36-1;
    TIM_TimeBaseInitStruct.TIM_CounterMode = TIM_CounterMode_Up;
    TIM_TimeBaseInitStruct.TIM_Period = 10-1;
    TIM_TimeBaseInitStruct.TIM_ClockDivision = TIM_CKD_DIV1;
    TIM_TimeBaseInit(TIM2, &TIM_TimeBaseInitStruct);    //初始化TIM2配置
    TIM_ClearFlag(TIM2,TIM_FLAG_Update); //清除溢出中斷標(biāo)志
    TIM_ITConfig(TIM2,TIM_IT_Update,ENABLE);
    TIM_Cmd(TIM2,ENABLE); //開啟時鐘
}
void tim3_config(void)
{
    TIM_TimeBaseInitTypeDef TIM_TimeBaseInitStruct;
   
    tim3_nvic_config();
   
    RCC_APB1PeriphClockCmd(RCC_APB1Periph_TIM3,ENABLE);
    TIM_DeInit(TIM3);
   
    TIM_TimeBaseInitStruct.TIM_Prescaler = 36-1;
    TIM_TimeBaseInitStruct.TIM_CounterMode = TIM_CounterMode_Up;
    TIM_TimeBaseInitStruct.TIM_Period = 10-1;
    TIM_TimeBaseInitStruct.TIM_ClockDivision = TIM_CKD_DIV1;
    TIM_TimeBaseInit(TIM3, &TIM_TimeBaseInitStruct);    //初始化TIM2配置
    TIM_ClearFlag(TIM3,TIM_FLAG_Update); //清除溢出中斷標(biāo)志
    TIM_ITConfig(TIM3,TIM_IT_Update,ENABLE);
    TIM_Cmd(TIM3,ENABLE); //開啟時鐘
}
void tim2_nvic_config(void)
{
    NVIC_InitTypeDef NVIC_Init_Struct;
   
    NVIC_PriorityGroupConfig(NVIC_PriorityGroup_0);
   
    NVIC_Init_Struct.NVIC_IRQChannel = TIM2_IRQn;
    NVIC_Init_Struct.NVIC_IRQChannelPreemptionPriority = 0;
    NVIC_Init_Struct.NVIC_IRQChannelSubPriority = 0;
    NVIC_Init_Struct.NVIC_IRQChannelCmd = ENABLE;
    NVIC_Init(&NVIC_Init_Struct);
}
//TIM3___PWM2設(shè)置
void tim3_nvic_config(void)
{
    NVIC_InitTypeDef NVIC_Init_Struct;
   
    NVIC_PriorityGroupConfig(NVIC_PriorityGroup_0);
   
    NVIC_Init_Struct.NVIC_IRQChannel = TIM3_IRQn;
    NVIC_Init_Struct.NVIC_IRQChannelPreemptionPriority = 1;
    NVIC_Init_Struct.NVIC_IRQChannelSubPriority = 0;
    NVIC_Init_Struct.NVIC_IRQChannelCmd = ENABLE;
    NVIC_Init(&NVIC_Init_Struct);
}
void TIM2_IRQHandler(void)
{
    if(TIM_GetITStatus(TIM2, TIM_IT_Update) != RESET)
    {
        pwm1_fq ++;
        if(pwm1_fq < pwm1_high)
        {
           GPIO_SetBits (GPIOA, GPIO_Pin_0);
        }
        else if(pwm1_fq < 100)
        {
            GPIO_ResetBits (GPIOA, GPIO_Pin_0);
        }
        else
        {
            pwm1_fq = 0;
            //led_breath.high_breath_counter ++;
        }
    }
    TIM_ClearITPendingBit(TIM2,TIM_FLAG_Update);
}
void TIM3_IRQHandler(void)
{
    if(TIM_GetITStatus(TIM3, TIM_IT_Update) != RESET)
    {
        pwm2_fq ++;
        if(pwm2_fq < pwm2_high)
        {
           GPIO_SetBits (GPIOA, GPIO_Pin_1);
        }
        else if(pwm2_fq < 100)
        {
            GPIO_ResetBits (GPIOA, GPIO_Pin_1);
        }
        else
        {
            pwm2_fq = 0;
        }
    }
    TIM_ClearITPendingBit(TIM3,TIM_FLAG_Update);
}
void set_pwm2_high(u8 high_tm)
{
    pwm2_high = high_tm;
}
void set_pwm1_high(u8 high_tm)
{
    pwm1_high = high_tm;
}

---

作者: zheng980115    時間: 2017-12-9 14:59
求大神指導(dǎo)

---

作者: g753388438    時間: 2017-12-9 18:25
用stm32 HAL庫  cubmx 圖形化配置

---

歡迎光臨 (http://www.torrancerestoration.com/bbs/)

Powered by Discuz! X3.1