INTE = 0; //禁止INT外部中断
IOCIE = 0; //禁止电平变化中断
OPTION_REG =0X02; //将预分频器分配给Timer0(8分频),内部指令周期时钟
TMR0=6;
OSCCON = 0XF0; //开PLL,系统工作频率为32MHZ
TMR0IE = 1; //Timer0溢出中断允许
TMR0IF = 0; //Timer0溢出中断标志清零
GIE = 1; //全局中断允许*/
TRISB|=1<<2; //将PWM输出(P1B)配置为输入
TRISC|=1<<2; //将PWM输出(P1A)配置为输入
TRISB|=1<<1; //将PWM输出(P1C)配置为输入
TRISB|=1<<4; //将PWM输出(P1D)配置为输入
PSTR1CON =0X1F; //P1B引脚的PWM波形极性受CCP1M<1:0>控制
CCPTMRS0=0x00; //选择Timer2作为周期定时器
PR2=199; //设置PWM周期=100us,即10K
CCP1CON=0x0C; //单输出PWM模式
//CCPR1L=0x00; //装载 CCPR1L寄存器的8个最高有效位(0.25dutycycle)
CCPR1L=0xC8;
//CCP1CON|=1<<4; //装载CCP1CON寄存器DC<1:0>位的低两位
//CCP1CON|=1<<5; //注:这两位是PWM占空比的低2位,高8位在CCPRxL中
CCP1CON&=~(1<<4); //装载CCP1CON寄存器DC<1:0>位的低两位
CCP1CON&=~(1<<5);; //注:这两位是PWM占空比的低2位,高8位在CCPRxL中
//PWM1CON =0X80 //半桥输出模式,将相应的值装入PWM1CON寄存器的P1DC<6:0>位设置死区延时
T2CON=0x05; //TMR2预分频值=1:4,启动Timer2
TRISB&=~(1<<2); //将PWM输出(P1B)配置为输出
TRISC&=~(1<<2); //将PWM输出(P1A)配置为输出
TRISB&=~(1<<1); //将PWM输出(P1C)配置为输出
TRISB&=~(1<<4); //将PWM输出(P1D)配置为输出
//PWM1CON|=1<<7; //使用关断自动重启
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