STM32C8T6控制步进电机

STM32C8T6发送控制信号给电机驱动，电机驱动控制步进电机。

电机驱动：控制一个步进电机转动，使用一路PWM信号和一路方向信号，根据pwm信号的频率控制步进电机的转速，方向信号控制步进转动的方向。

void SteppingMotor_Config(void)

{

GPIO_InitTypeDef GPIO_InitStructure;

TIM_TimeBaseInitTypeDef TIM_TimeBaseStructure;

TIM_OCInitTypeDef TIM_OCInitStructure;

RCC_APB1PeriphClockCmd(RCC_APB1Periph_TIM2, ENABLE);

RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOA, ENABLE);

GPIO_InitStructure.GPIO_Pin = GPIO_Pin_0; //TIM2的1通道输出pwm波形控制电机，对应PA0口

GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF_PP;

GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;

GPIO_Init(GPIOA,&GPIO_InitStructure);

GPIO_InitStructure.GPIO_Pin = GPIO_Pin_1 | GPIO_Pin_2; //步进电机正反转和使能控制口

GPIO_InitStructure.GPIO_Mode = GPIO_Mode_Out_PP;

GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;

GPIO_Init(GPIOA,&GPIO_InitStructure);

//定义PWM频率

TIM_TimeBaseStructure.TIM_Prescaler =719; //预分频值

TIM_TimeBaseStructure.TIM_Period =99; //重装值，这里输出的pwm频率为1KHZ

TIM_TimeBaseStructure.TIM_ClockDivision =TIM_CKD_DIV1;

TIM_TimeBaseStructure.TIM_CounterMode = TIM_CounterMode_Up;

TIM_TimeBaseInit(TIM2, &TIM_TimeBaseStructure); //时基单元配置

//设定占空比

TIM_OCStructInit(& TIM_OCInitStructure);

TIM_OCInitStructure.TIM_OCMode = TIM_OCMode_PWM1;

TIM_OCInitStructure.TIM_Pulse =50; //P的占空比

TIM_OCInitStructure.TIM_OutputState = TIM_OutputState_Enable;

TIM_OCInitStructure.TIM_OCPolarity = TIM_OCPolarity_High;

TIM_OC1Init(TIM2, &TIM_OCInitStructure);

TIM_OC1PreloadConfig(TIM2, TIM_OCPreload_Enable);

TIM_ARRPreloadConfig(TIM2,ENABLE);

TIM_Cmd(TIM2, ENABLE);

TIM_CtrlPWMOutputs(TIM2, ENABLE);

}

void SteppingMotorControl(u8 dir) //正反转控制

{

if(0==dir)

{

GPIO_ResetBits(GPIOA,GPIO_Pin_1); //反转

}

else

{

GPIO_SetBits(GPIOA,GPIO_Pin_1); //正转

}

}

void EnableSteppingMotor(void)

{

GPIO_ResetBits(GPIOA,GPIO_Pin_2);

}

void DisableSteppingMotor(void)

{

GPIO_SetBits(GPIOA,GPIO_Pin_2);

}