三相直流无刷电机驱动程序

u8 i=0;

for(i=0;i

{

Led_On;

DelayMs(100*n);

Led_Off;

DelayMs(100*n);

}

}

/*****************************************************************************************

函数：void SetPWMduty(u8 PWMChanel,u16 pulse)

描述：设置pwm波占空比

参数：

返回：

*****************************************************************************************/

void SetPWMduty(u8 PWMChanel,u16 pulse)

{

switch(PWMChanel)

{

case 1 :

TIM1->CCR1=pulse;

break;

case 2 :

TIM1->CCR2=pulse;

break;

case 3 :

TIM1->CCR3=pulse;

break;

default :

break;

}

}

/*******************************************************************************

函数：PWM_T_Output

描述：设置相应的PWM梯形波输出

参数：pName上桥臂名称，nName下桥臂名称

返回：无

********************************************************************************/

void PWM_T_Output(u8 pName , u8 nName , u8 mRate)

{

switch(pName)

{

case 1:

GPIO_SetBits(GPIOB, GPIO_Pin_15 | GPIO_Pin_14 );

GPIO_ResetBits(GPIOB , GPIO_Pin_13);

break;

case 2:

GPIO_SetBits(GPIOB, GPIO_Pin_13 | GPIO_Pin_15 );

GPIO_ResetBits(GPIOB , GPIO_Pin_14);

break;

case 3:

GPIO_SetBits(GPIOB, GPIO_Pin_13 | GPIO_Pin_14 );

GPIO_ResetBits(GPIOB , GPIO_Pin_15);

break;

default:

GPIO_SetBits(GPIOB, GPIO_Pin_13 | GPIO_Pin_14 | GPIO_Pin_15);

}

switch(nName)

{

case 1:

TIM_SetCompare2(TIM1,0);

TIM_SetCompare3(TIM1,0);

TIM_SetCompare1(TIM1,(u16)(PWM_PERIOD_T * mRate / 100));

break;

case 2:

TIM_SetCompare3(TIM1,0);

TIM_SetCompare1(TIM1,0);

TIM_SetCompare2(TIM1,(u16)(PWM_PERIOD_T * mRate / 100));

break;

case 3:

TIM_SetCompare2(TIM1,0);

TIM_SetCompare1(TIM1,0);

TIM_SetCompare3(TIM1,(u16)(PWM_PERIOD_T * mRate / 100));

break;

default:

TIM_SetCompare1(TIM1,0);

TIM_SetCompare2(TIM1,0);

TIM_SetCompare3(TIM1,0);