实现功能但似乎可以不用中断实现

Signed-off-by: kevin <kevin@lmve.net>
2022-05-02 19:14:55 +08:00
parent 8a3d91d0c2
commit e15506fa7e
21 changed files with 3176 additions and 2258 deletions
@@ -1,11 +1,70 @@
 #include "buzzer.h"

-struct notes *notes;
+notes_buff buzzer_play_buff;

-void play_ones(uint16_t freq,uint8_t dutya)
+void BUZZER_PLAY(uint16_t freq,float duty)
 {
+	TIM2->ARR  = (uint32_t)((72000000/freq)-1);
+	TIM2->CCR3 = (uint32_t)(((72000000/freq)-1)*((float)duty/100));
+}

-TIM2->ARR  = (uint32_t)((72000000/freq)-1);TIM2->CCR3 = (uint32_t)(((72000000/freq)-1)*((float)dutya/100));
+void BUZZER_PLAY_INIT()
+{
+	buzzer_play_buff.head=NULL;
+	buzzer_play_buff.end=NULL;
+	buzzer_play_buff.play_busy=0;
+
+	BUZZER_PLAY(0,0);
+}
+
+
+void BUZZER_PLAY_NOTES(uint16_t freq,uint16_t delay,uint8_t duty)
+{
+	note *buff,*buff2;
+	buff =(note*)malloc(sizeof(note));
+	if(buff!=NULL)
+	{
+		buff->delay=delay;
+		buff->duty=duty;
+		buff->freq=freq;
+		buff->next=NULL;
+	}else{return ;}
+	if(buzzer_play_buff.head==NULL)
+	{
+		buzzer_play_buff.head=buff;
+		buzzer_play_buff.end=buff;
+	}else
+	{
+		buff2=buzzer_play_buff.end;
+		buff2->next=buff;
+		buzzer_play_buff.end=buff;
+	}
+}
+
+void BUZZER_PLAY_SERVER()
+{
+	note *buff;
+	char data;
+	if(buzzer_play_buff.play_busy)
+		{
+			if(HAL_GetTick()>buzzer_play_buff.play_time)
+			{
+				buzzer_play_buff.play_busy=0;
+				BUZZER_PLAY(0,0);
+			}
+		}else
+		{
+			if(buzzer_play_buff.head!=NULL)
+			{
+				buzzer_play_buff.play_busy=1;
+				buzzer_play_buff.play_time=HAL_GetTick()+buzzer_play_buff.head->delay;
+				buff=buzzer_play_buff.head->next;
+				BUZZER_PLAY(buzzer_play_buff.head->freq,buzzer_play_buff.head->duty);
+				free(buzzer_play_buff.head);
+				buzzer_play_buff.head=buff;
+			}
+
+		}
 }