From 0d809b77ba6b5fe1f6433abd965822660b659120 Mon Sep 17 00:00:00 2001
From: jj97181818 <jj97181818@gmail.com>
Date: Mon, 14 May 2018 01:34:54 +0800
Subject: [PATCH] add segment display

---
 Interrupt_1.c | 193 ++++++++++++++++++++++++++++++--------------------
 1 file changed, 116 insertions(+), 77 deletions(-)

diff --git a/Interrupt_1.c b/Interrupt_1.c
index 2d86351..7ed3341 100644
--- a/Interrupt_1.c
+++ b/Interrupt_1.c
@@ -7,20 +7,66 @@
 void delay_1500ms(void);
 
 unsigned int timer0_counter = 150;
+int seg_pos = 0, seg_num = 0;
 
+//LED
 bit lightoff = 1;
 bit lighton = 0;
-sbit P1_0 = P1^0;
-sbit P1_1 = P1^1;
-sbit P1_2 = P1^2;
-sbit P1_3 = P1^3;
-sbit P1_4 = P1^4;
-sbit P1_5 = P1^5;
-sbit P1_6 = P1^6;
-sbit P1_7 = P1^7;
 
-void main(void){
-	
+char code LED_light[17] = {
+	~0x00,
+	~0x01,	
+	~0x03,  
+	~0x07,  
+	~0x0F,  
+	~0x1F,  
+	~0x3F,  
+	~0x7F,  
+	~0xFF,  
+	~0x7F,  
+	~0x3F,
+	~0x1F,	
+	~0x0F,  
+	~0x07,  
+	~0x03,  
+	~0x01
+};
+
+//Segment
+// 宣告 D 型正反器街接腳
+sbit P2_6 = P2^6;
+sbit P2_7 = P2^7;
+
+// 宣告七段顯示器函式
+void Slect_Seg(unsigned char number);
+void Display_Seg(unsigned char display);
+
+//宣告數字的表示
+char code NUM[10] = {
+	0x3F,		// 0
+	0x06,   // 1 
+	0x5B,   // 2
+	0x4F,   // 3
+	0x66,   // 4
+	0x6D,   // 5
+	0x7D,   // 6
+	0x07,   // 7
+	0x7F,   // 8
+	0x6F  	// 9
+};
+
+char code POS[6] = {
+	~0x01, // 0xfe 就是 11111110
+	~0x02, // 0000 0010
+	~0x04, // 0000 0100
+	~0x08, // 0000 1000
+	~0x10, // 0001 0000
+	~0x20  // 0010 0000
+};
+
+
+int main(void){
+	int i = 0;
 	//開啟 Timer0 和 Timer1
 	TMOD = 0x11;
 
@@ -32,93 +78,45 @@ void main(void){
 	ET0 = 1;	//開啟 TF0 的中斷模組開關
 	EA = 1;		//開啟中斷模組總開關
 
+	
 	while(1){
-	  // do LED move up to down per 1.5 sec
-    // using Timer 1 Mode 1 to generate 10ms delay
-		P1 = 0xFF;
-		while (1) {
+	  // ********* 實作 LED *********
+		for(i = 0; i < 16; i++) {
+			P1 = LED_light[i];
 			delay_1500ms();
-			
-			P1_0 = lighton;
-			delay_1500ms();
-			
-			P1_1 = lighton;
-			delay_1500ms();
-			
-			P1_2 = lighton;
-			delay_1500ms();
-			
-			P1_3 = lighton;
-			delay_1500ms();
-			
-			P1_4 = lighton;
-			delay_1500ms();
-			
-			P1_5 = lighton;
-			delay_1500ms();
-			
-			P1_6 = lighton;
-			delay_1500ms();
-			
-			P1_7 = lighton;
-			delay_1500ms();
-			
-			P1_7 = lightoff;
-			delay_1500ms();
-			
-			P1_6 = lightoff;
-			delay_1500ms();
-			
-			P1_5 = lightoff;
-			delay_1500ms();
-			
-			P1_4 = lightoff;
-			delay_1500ms();
-			
-			P1_3 = lightoff;
-			delay_1500ms();
-			
-			P1_2 = lightoff;
-			delay_1500ms();
-			
-			P1_1 = lightoff;
-			delay_1500ms();
-			
-			P1_0 = lightoff;
-		} 
+		}
 	}
 }
 
 
 void delay_1500ms(void){
 	
-	int time = 0;
-	while(time < 150) {
+	int i;
+	for (i = 0; i < 150; i++) {
 		//設定初始值
-		TF1 = 0;
 		TR1 = 0;
-		TL1 = (65536-9216) % 256;
-		TH1 = (65536-9216) / 256;
+		TF1 = 0;
+		TL1 = (65536 - 9216) % 256;
+		TH1 = (65536 - 9216) / 256;
 		
 		//開啟計時器 timer1
 		TR1 = 1;
 		
 		//當 TF1 沒有溢位
 		while(TF1 == 0);
-		
-		//關閉計時器
-		TR1 = 0;
-		
-		//將 TF1 歸零
-		TF1 = 0;
-		time++;
 	}
+	
+	//關閉計時器
+	TR1 = 0;
+	
+	//將 TF1 歸零
+	TF1 = 0;
 }
 
 
 // timer0 在計時到的時候(TF0 = 1)會呼叫的中斷副函式
 void my_timer0(void) interrupt 1 {
-	
+		
 	//設定初始值
 	TL0 = (65536 - 9216) % 256;
 	TH0 = (65536 - 9216) / 256;
@@ -130,11 +128,52 @@ void my_timer0(void) interrupt 1 {
 	
 	//當 timer0_counter 為 0 時，實作七段顯示器
   if (timer0_counter == 0){
-    // 實作七段顯示器
-		
+    
+		// *********實作七段顯示器*********
+		Slect_Seg(POS[seg_pos]);  // 設定哪顆亮
+		Display_Seg(NUM[seg_num]);  // 選數字
+		seg_pos = (seg_pos + 1) % 6;
+		seg_num = (seg_num + 1) % 10;
 		
 		//將 timer0_counter 的值設回 150
     timer0_counter = 150;
 		
   }
 }
+
+void Slect_Seg(unsigned char number) {
+	int j = 0;
+	
+  // 關閉 D 型正反器(預防措施)
+  P2_7 = 0;
+  
+  // 指定哪顆亮
+  P0 = number;
+  
+  // 開啟控制哪顆亮的 D 型正反器
+  P2_7 = 1;
+	
+  // 延時(吃哪顆亮)
+  for(j = 0; j < 120; j++);
+
+  // 關閉 D 型正反器(讓吃進去的那顆固定亮)
+  P2_7 = 0;
+}
+
+void Display_Seg(unsigned char display) {
+  int j = 0;
+  // 關閉 D 型正反器(預防措施)
+  P2_6 = 0;
+  
+  // 指定號碼
+  P0 = display;
+  
+  // 開啟控制哪顆亮的 D 型正反器
+  P2_6 = 1;
+	
+  // 延時(吃號碼)
+  for(j = 0; j < 120; j++);
+
+  // 關閉 D 型正反器(讓吃進去的號碼固定住)
+  P2_6 = 0;
+}