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- 2018-11-18
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#直流无刷电机有感驱动目前的配置#【TIM1】配置:
void BLDC_PWM_Init(u32 arr,u32 psc)
{
//此部分需手动修改IO口设置
GPIO_InitTypeDef GPIO_InitStructure;
TIM_TimeBaseInitTypeDef TIM_TimeBaseStructure;
TIM_OCInitTypeDef TIM_OCInitStructure;
RCC_APB2PeriphClockCmd(RCC_APB2Periph_TIM1, ENABLE); //TIM1时钟使能
RCC_AHB1PeriphClockCmd(RCC_AHB1Periph_GPIOA, ENABLE); //使能PORTA时钟
RCC_AHB1PeriphClockCmd(RCC_AHB1Periph_GPIOB, ENABLE);
/*三相桥下管驱动控制引脚:PC6、PC7、PC8*/
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_13 | GPIO_Pin_14 | GPIO_Pin_15;//GPIO
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_OUT; //输出
GPIO_InitStructure.GPIO_Speed = GPIO_Speed_100MHz; //速度100MHz
GPIO_InitStructure.GPIO_OType = GPIO_OType_PP; //推挽输出
GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_DOWN; //下拉
GPIO_Init(GPIOB, &GPIO_InitStructure); //初始化GPIOB
GPIO_ResetBits(GPIOB, GPIO_Pin_13 |GPIO_Pin_14 | GPIO_Pin_15);
/*三相桥下管驱动控制引脚:PA8、PA9、PA10*/
GPIO_PinAFConfig(GPIOA, GPIO_PinSource8, GPIO_AF_TIM1); //复用GPIOA_Pin8为TIM1_Ch1
GPIO_PinAFConfig(GPIOA, GPIO_PinSource9, GPIO_AF_TIM1); //复用GPIOA_Pin9为TIM1_Ch2
GPIO_PinAFConfig(GPIOA, GPIO_PinSource10, GPIO_AF_TIM1);//复用GPIOA_Pin10为TIM1_Ch3
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_8 | GPIO_Pin_9 | GPIO_Pin_10;//GPIO
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF; //复用功能
GPIO_InitStructure.GPIO_Speed = GPIO_Speed_100MHz; //速度100MHz
GPIO_InitStructure.GPIO_OType = GPIO_OType_PP; //推挽复用输出
GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_UP; //上拉
GPIO_Init(GPIOA, &GPIO_InitStructure); //初始化GPIOA
TIM_TimeBaseStructure.TIM_Prescaler = psc; //定时器分频
TIM_TimeBaseStructure.TIM_CounterMode = TIM_CounterMode_Up; //向上计数模式
TIM_TimeBaseStructure.TIM_Period = arr; //自动重装载值
TIM_TimeBaseStructure.TIM_ClockDivision = TIM_CKD_DIV1; //TIM1不分频
TIM_TimeBaseStructure.TIM_RepetitionCounter = 0x00; //默认就为0
TIM_TimeBaseInit(TIM1, &TIM_TimeBaseStructure); //初始化定时器1
TIM_OCInitStructure.TIM_OCMode = TIM_OCMode_PWM1; //PWM1为正常占空比模式,PWM2为反极性模式
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输出比较极性低,有效电平为低电平
TIM_OCInitStructure.TIM_OCIdleState = TIM_OCIdleState_Set; //在空闲时输出低,这里的设置可以改变TIM_OCPolarity 如果没这句,第1通道有问题
TIM_OC1Init(TIM1, &TIM_OCInitStructure); //通道1初始化
TIM_OC2Init(TIM1, &TIM_OCInitStructure); //通道2初始化
TIM_OC3Init(TIM1, &TIM_OCInitStructure); //通道3初始化
TIM_OC1PreloadConfig(TIM1, TIM_OCPreload_Enable); //使能TIM1在CCR1上的预装载寄存器,CCR自动装载默认也是打开的
TIM_OC2PreloadConfig(TIM1, TIM_OCPreload_Enable);
TIM_OC3PreloadConfig(TIM1, TIM_OCPreload_Enable);
TIM_ARRPreloadConfig(TIM1, ENABLE); //ARPE使能
TIM_CtrlPWMOutputs(TIM1, DISABLE);
TIM_SelectCOM(TIM1, ENABLE);
TIM_SelectInputTrigger(TIM1, TIM_TS_ITR3);
TIM_ClearITPendingBit(TIM1, TIM_IT_COM);
TIM_ITConfig(TIM1, TIM_IT_COM, ENABLE);
TIM_Cmd(TIM1, DISABLE);
}
【TIM4】配置:
void HALL_TIM_Init(u32 arr, u32 psc)
{
GPIO_InitTypeDef GPIO_InitStructure;
TIM_TimeBaseInitTypeDef TIM_TimeBaseStructure;
TIM_ICInitTypeDef TIM_ICInitStructure;
TIM_OCInitTypeDef TIM_OCInitStructure;
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_6 | GPIO_Pin_7 | GPIO_Pin_8; //GPIO
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF; //复用功能
GPIO_InitStructure.GPIO_Speed = GPIO_Speed_100MHz; //速度100MHz
GPIO_InitStructure.GPIO_OType = GPIO_OType_PP; //推挽输出
GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_UP; //上拉
GPIO_Init(GPIOB, &GPIO_InitStructure); //初始化GPIOB
GPIO_PinAFConfig(GPIOB, GPIO_PinSource6, GPIO_AF_TIM4); //复用GPIOA_Pin6为TIM4_Ch1
GPIO_PinAFConfig(GPIOB, GPIO_PinSource7, GPIO_AF_TIM4); //复用GPIOA_Pin7为TIM4_Ch2
GPIO_PinAFConfig(GPIOB, GPIO_PinSource8, GPIO_AF_TIM4); //复用GPIOA_Pin8为TIM4_Ch3
TIM_TimeBaseStructure.TIM_Period = arr;
TIM_TimeBaseStructure.TIM_Prescaler = psc;
TIM_TimeBaseStructure.TIM_CounterMode = TIM_CounterMode_Up;
TIM_TimeBaseStructure.TIM_ClockDivision = TIM_CKD_DIV1;
TIM_TimeBaseStructure.TIM_RepetitionCounter = 0x00;
TIM_TimeBaseInit(TIM4, &TIM_TimeBaseStructure);
TIM_ICInitStructure.TIM_Channel = TIM_Channel_1;
TIM_ICInitStructure.TIM_ICFilter = 0x00;
TIM_ICInitStructure.TIM_ICPolarity = TIM_ICPolarity_Rising;
TIM_ICInitStructure.TIM_ICPrescaler = TIM_ICPSC_DIV1;
TIM_ICInitStructure.TIM_ICSelection = TIM_ICSelection_TRC;
TIM_ICInit(TIM4, &TIM_ICInitStructure);
TIM_OCInitStructure.TIM_OCMode = TIM_OCMode_PWM2;
TIM_OCInitStructure.TIM_OCPolarity = TIM_OCPolarity_Low;
TIM_OCInitStructure.TIM_OutputState = TIM_OutputState_Enable;
TIM_OCInitStructure.TIM_OCIdleState = TIM_OCIdleState_Reset;
TIM_OCInitStructure.TIM_Pulse = 64;
TIM_OC2Init(TIM4, &TIM_OCInitStructure);
TIM_SelectHallSensor(TIM4, ENABLE);
TIM_SelectInputTrigger(TIM4, TIM_TS_TI1F_ED);
TIM_SelectSlaveMode(TIM4, TIM_SlaveMode_Reset);
TIM_SelectMasterSlaveMode(TIM4, TIM_MasterSlaveMode_Enable);
TIM_SelectOutputTrigger(TIM4, TIM_TRGOSource_OC2Ref);
TIM_ITConfig(TIM4, TIM_IT_Trigger | TIM_IT_CC1, ENABLE);
}
【中断初始化】:
void NVIC_Configuration(void)
{
NVIC_InitTypeDef NVIC_InitStructure;
NVIC_InitStructure.NVIC_IRQChannel = TIM1_TRG_COM_TIM11_IRQn;
NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;
NVIC_InitStructure.NVIC_IRQChannelSubPriority = 0x02;
NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 0x01;
NVIC_Init(&NVIC_InitStructure);
NVIC_InitStructure.NVIC_IRQChannel = TIM4_IRQn;
NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;
NVIC_InitStructure.NVIC_IRQChannelSubPriority = 0x03;
NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 0x01;
NVIC_Init(&NVIC_InitStructure);
}
参考过其他帖子,配置出来都不成功,向大佬虚心求教,谢谢!!
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