STM32G431RBT6之定时器05

以该框图为例：

1. 选择引脚
   

   
   
   

2. 配置参数
   

   

    

   80MHz变为100Hz的配置
   
   设置占空比

3.  打开定时器
   
   

   

4.  手动更改占空比

   void keyb2_3_func()
   {
       if(key[1].single_flag==1)
       {
           pa6_duty+=10;
           if(pa6_duty>=100)
           {
               pa6_duty=10;
           }
           __HAL_TIM_SetCompare(&htim16,TIM_CHANNEL_1,pa6_duty);
           key[1].single_flag=0;
           char temp[20];
           sprintf(temp,"     PA6=%d%%     ",pa6_duty);
           LCD_DisplayStringLine(Line8,(u8*)temp);
       }
       if(key[2].single_flag==1)
       {
           pa7_duty+=10;
           if(pa7_duty>=100)
           {
               pa7_duty=10;
           }
           __HAL_TIM_SetCompare(&htim17,TIM_CHANNEL_1,pa7_duty);
           key[2].single_flag=0;
           char temp[20];
           sprintf(temp,"     PA7=%d%%     ",pa7_duty);
           LCD_DisplayStringLine(Line9,(u8*)temp);
       }
   }