添加MDK工程

程序存在一个问题：开机没有自检添加立创PCB Signed-off-by: kevin <kevin@lmve.net>
2021-03-12 04:45:11 +08:00
parent b80a019242
commit c70a004b2a
822 changed files with 354740 additions and 0 deletions
@@ -0,0 +1,117 @@
+#include "buzzer.h"
+
+
+void play_ones(uint16_t freq,uint8_t dutya)
+{
+	/*
+	TIM4->ARR  = (uint32_t)((2000000/freq)-1);
+	TIM4->CCR3 = (uint32_t)(((2000000/freq)-1)*((float)dutya/100));
+	*/
+	if(freq!=0)
+	{
+		buzzer_t;
+	}else
+	{
+		buzzer_io(0);
+	}
+}
+
+struct notes
+{
+	uint16_t freq;
+	uint8_t duty;
+	uint16_t deley;
+	struct notes *next_note;
+};
+
+struct notes *notes;
+
+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;			
+		}
+		if(busy_flag==1)
+		{
+			if(HAL_GetTick()>play_delay)
+			{
+				busy_flag=0;
+				delhead();
+			}
+		}
+		play_ones(notes->freq,notes->duty);
+	}
+return busy_flag;
+}
+void input_misue(const int *d,uint16_t len,uint8_t duty)
+{
+	len=len/2;
+	for(uint16_t a=0;a<len;a++)
+	{
+		add_a_note(d[a*2],duty,d[(a*2)+1]);
+		//while(buzzer_play_server());
+	}
+
+}