标题:
stm32f103驱动mg90s源程序
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作者:
zhan123
时间:
2021-1-20 17:44
标题:
stm32f103驱动mg90s源程序
//#include "led.h"
#include "delay.h"
//#include "key.h"
//#include "sys.h"//<timer.h>里包含过了
//#include "usart.h"
#include "timer.h"
int main(void)
{
u8 i;
u16 pwmval=0;
delay_init(); //延时函数初始化
// TIM3_PWM_Init(1999,719); //不分频。PWM频率=100000/2000=50hz
TIM4_PWM_Init(1999,719); //不分频。PWM频率=100000/2000=50hz
while(1)
{
delay_ms(500);
pwmval=1750; //对应180度
TIM_SetCompare2(TIM3,pwmval);
delay_ms(500);
pwmval=1800; //对应135度
TIM_SetCompare2(TIM3,pwmval);
delay_ms(500);
pwmval=1850; //对应90度
TIM_SetCompare2(TIM3,pwmval);
delay_ms(500);
pwmval=1900; //对应45度
TIM_SetCompare2(TIM3,pwmval);
delay_ms(500);
pwmval=1950; //对应0度
TIM_SetCompare2(TIM3,pwmval);
#if 0
pwmval=1950;
for(i=0;i<5;i++)//依次从0度转到180度每隔45度转一次
{
delay_ms(1000);
//TIM_SetCompare2(TIM3,pwmval);
TIM_SetCompare1(TIM4,pwmval);
pwmval-=50;
}
#endif
}
}
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mg90s.7z
2021-1-20 22:10 上传
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