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

* @brief 初始PWM 引脚

* @details

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

void P43_Init(void)

{

P43DIR = 0;//P43 pin: Output (initial value)

P43C1 = 1;//CMOS output

P43C0 = 1;

P43MD1 = 1;//PWM0 output pin

P43MD0 = 0;

}

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

* @brief 串口 发送单字节数据

* @details Cycle值要大于Duty值

* @param[in] Cycle : 周期

* @param[in] Duty : 电平转换时间

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

void PWM_Init(uint16 Cycle,uint16 Duty)

{

PW0PH = (uint8)((Cycle-1)>>8);//周期

PW0PL = (uint8)(Cycle-1);

PW0DH = (uint8)((Duty-1)>>8);;//电平转换时间

PW0DL = (uint8)(Duty-1);

P0CS1 = 0;//LSCLK (initial value)

P0CS0 = 0;

P0IS1 = 0;//When the periods coincide. (Initial value)

P0IS0 = 0;

P0NEG = 0;//Positive logic (initial value)

P0RUN = 1;//Starts counting.

}