输入方式改成中断，开启了两个定时器

Signed-off-by: kevin <kevin@lmve.net>
2022-05-01 11:46:10 +08:00
parent de69c38b1f
commit 6e8fd579b8
67 changed files with 2869 additions and 3022 deletions
@@ -10,88 +10,3 @@ TIM2->ARR  = (uint32_t)((72000000/freq)-1);TIM2->CCR3 = (uint32_t)(((72000000/fr



-void add_a_note(uint16_t freq,uint8_t duty,uint16_t deley)
-{
-struct notes* buff;
-buff = (struct notes*)malloc(sizeof(struct notes));
-if (buff != NULL)
-{
-buff->freq = freq;
-buff->duty = duty;
-buff->deley = deley;
-buff->next_note = NULL;
-
-if (notes == NULL)
-{
-notes = buff;
-}
-else
-{
-struct notes *t = notes;
-while (t->next_note != NULL)
-{
-t = t->next_note;
-}
-t->next_note = buff;
-}
-}
-
-}
-
-void delhead()                    
-{
-if (notes == NULL)
-{
-return;
-}
-
-
-if (notes->next_note == NULL)
-{
-free(notes);
-notes = NULL;
-}
-else
-{
-struct notes *t = notes;
-notes = notes->next_note;
-free(t);
-
-}
-
-
-
-}
-
-char buzzer_play_server()                    
-{
-
-
-static char busy_flag=0;
-static uint32_t play_delay;
-
-if(notes == NULL)
-{
-	play_ones(0,0);
-}else
-{
-	if(busy_flag==0)
-	{
-		busy_flag=1;
-		play_delay=HAL_GetTick()+notes->deley;
-		play_ones(notes->freq,notes->duty);
-	}
-	if(busy_flag==1)
-	{
-		if(HAL_GetTick()>play_delay)
-		{
-			busy_flag=0;
-			delhead();
-		}
-	}
-}
-
-
-
-return busy_flag;
-}