- #include "led.h"
- #include "delay.h"
- #include "key.h"
- #include "sys.h"
- #include "usart.h"
- #include "timer.h"
-
- /*占空比值在100-1000效果可能會好*/
- /*PA0,PA1*/
-
- int main(void)
- {
- u16 led0pwmval=0;
- u8 dir=1;
- delay_init(); //延時函數(shù)初始化
- NVIC_PriorityGroupConfig(NVIC_PriorityGroup_2); //設置NVIC中斷分組2:2位搶占優(yōu)先級,2位響應優(yōu)先級
- uart_init(115200); //串口初始化為115200
- LED_Init(); //LED端口初始化
- TIM2_PWM_Init(7200-1,200-1); //不分頻。PWM頻率=72000000/900/200=50
- while(1)
- {
- TIM_SetCompare2(TIM2,100);//100起
- TIM_SetCompare1(TIM2,led0pwmval);
- led0pwmval++;
- printf("\n");
- // USART_SendData(USART1,led0pwmval );
- if(led0pwmval>7000)
- led0pwmval=0;
- delay_ms(30);
-
- }
- }
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兩路舵機.rar
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2018-9-16 03:42 上傳
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