CC2530———— Simple realization of PWM (breathing light)

#include<iocc2530.h>
#define uchar unsigned char
#define uint unsigned int
#define LED1 P1_0
void Initial(void)
{
P1DIR|=0X01;
P1&=~0X01;
}
void Delay(uint time)
{
while(time–);
}
void ON_OFF_LED(uint CYCLE , uint PWM_LOW)
{
LED1=1;
Delay(CYCLE);
Delay(PWM_LOW);
LED1=0;
}
main()
{
uint CYCLE=600,PWM_LOW=0;
Initial();
while(1)
{
//明到暗
for(PWM_LOW=0;PWM_LOW<CYCLE;PWM_LOW++)
{
ON_OFF_LED(CYCLE-PWM_LOW , PWM_LOW);
}
//暗到明
for(PWM_LOW=CYCLE;PWM_LOW>0;PWM_LOW–)
{
ON_OFF_LED(CYCLE-PWM_LOW , PWM_LOW);
}
}

}