#include "led.h"
#include "delay.h"
#include "sys.h"
#include "key.h"
#include "usart.h"
#include "exti.h"
#include "wdg.h"
#include "timer.h"
#include "pwm.h"
int main(void)
{
u16 pwm_value=225;
int dir=1;
SystemInit();
delay_init(72); //Ñóê±3õê¼»ˉ
NVIC_Configuration();
// uart_init(9600);
// LED_Init();
// delay_us(500);
// KEY_Init(); //°′¼ü3õê¼»ˉ
TIM1_Init(1999,719); //PWMÆμÂê=72000/9000/150=50hz
TIM2_Init(9000,160); //PWMÆμÂê=72000/9000/150=50hz
TIM3_Init(9000,160); //PWMÆμÂê=72000/9000/150=50hz
TIM4_Init(9000,160); //PWMÆμÂê=72000/9000/150=50hz
// LED_Init();
while(1)
{
delay_us(1000);
pwm_value = pwm_value + dir;
if(pwm_value > 1125)
dir = -1;
if(pwm_value < 225)
dir = 1;
TIM_SetCompare1(TIM2,pwm_value);
TIM_SetCompare2(TIM2,pwm_value);
TIM_SetCompare3(TIM2,pwm_value);
TIM_SetCompare4(TIM2,pwm_value);
TIM_SetCompare1(TIM3,pwm_value);
TIM_SetCompare2(TIM3,pwm_value);
TIM_SetCompare3(TIM3,pwm_value);
TIM_SetCompare4(TIM3,pwm_value);
TIM_SetCompare1(TIM4,pwm_value);
TIM_SetCompare2(TIM4,pwm_value);
TIM_SetCompare3(TIM4,pwm_value);
TIM_SetCompare4(TIM4,pwm_value);
TIM_SetCompare1(TIM1,pwm_value);
TIM_SetCompare2(TIM1,pwm_value);
TIM_SetCompare3(TIM1,pwm_value);
TIM_SetCompare4(TIM1,pwm_value);
}
}
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