📄 set_pwm.c
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#include "sfr.h"
#include "port.h"
void set_pwm0(void)
{
PCA0CPM0 = 0x42; //捕捉比较模块工作于8位PWM模式
PCA0CPM1 = 0x00;
PCA0CPM2 = 0x00;
}
void set_pwm1(void)
{
PCA0CPM0 = 0x00;
PCA0CPM1 = 0x42;
PCA0CPM2 = 0x00;
}
void set_pwm2(void)
{
PCA0CPM0 = 0x00;
PCA0CPM1 = 0x00;
PCA0CPM2 = 0x42;
}
void set_pwm_wideth(unchar x)
{
PCA0CPL0 = x;
PCA0CPH0 = x;
PCA0CPL1 = x;
PCA0CPH1 = x;
PCA0CPL2 = x;
PCA0CPH2 = x;
}
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