利用stm32中斷產(chǎn)生PWM脈沖信號控制舵機
單片機源程序如下:
- #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 led0pwmval=0;
- u8 dir=1;
- u8 i;
- SystemInit();
- delay_init(72); //延時初始化
- NVIC_Configuration();
- uart_init(9600);
- LED_Init();
- KEY_Init(); //按鍵初始化
- PWM_Init(199,7199); //20ms的脈沖 一個脈2us
- while(1)
- {
- TIM_SetCompare2(TIM3,5);
- delay_ms(300);
- TIM_SetCompare2(TIM3,10);
- delay_ms(300);
- TIM_SetCompare2(TIM3,15);
- delay_ms(300);
- TIM_SetCompare2(TIM3,20);
- delay_ms(300);//
-
- TIM_SetCompare2(TIM3,15);
- delay_ms(300);
- TIM_SetCompare2(TIM3,10);
- delay_ms(300);
-
- }
-
- /* while(1)
- {
- delay_ms(10);
- for(i=1;i<1000;i++)
- {
- if(dir)led0pwmval++;
- else led0pwmval--;
- }
- if(led0pwmval==10000)dir=0;
- // if(led0pwmval>2500)led0pwmval=500;
- if(led0pwmval==0)dir=1;
-
-
- TIM_SetCompare2(TIM3,led0pwmval);
- }
- */
- }
復(fù)制代碼
所有資料51hei提供下載:
舵機控制程序.rar
(282.91 KB, 下載次數(shù): 33)
2018-4-11 16:23 上傳
點擊文件名下載附件
下載積分: 黑幣 -5
|