STC单片机 驱动像素LED显示屏 8*8点阵屏 并演示向左滚动显示英文字母数字符号字符串

GPIO

1. #include "STC12C5A60S2.h"
   
2. #include "intrins.h"
   
3. 
   
4. #define u8 unsigned char
   
5. #define u16 unsigned int
   
6. #define u32 unsigned long
   
7. #define T1ms 0xFC18                //12Mhz@1ms 12T定时器初值
   
8. #define X P1                //点阵屏X扫描
   
9. #define XM0 P1M0
   
10. #define XM1 P1M1
    
11. 
    
12. #define Y P2                //点阵屏Y扫描
    
13. #define YM0 P2M0
    
14. #define YM1 P2M1
    
15. 
    
16. /*
    
17.         X.0~X.7=P1.0~P1.7
    
18.         Y.0~Y.7=P2.0~P2.7
    
19.         LED点阵屏硬件连接:
    
20.         X.0=Pin13                X.1=Pin3        X.2=Pin4                X.3=Pin10
    
21.         X.4=Pin6                X.5=Pin11        X.6=Pin15                X.7=Pin16
    
22.         Y.0=Pin9                Y.1=Pin14        Y.2=Pin8                Y.3=Pin12
    
23.         Y.4=Pin1                Y.5=Pin7        Y.6=Pin2                Y.7=Pin5
    
24. */
    
25. 
    
26. void InitTimer0(){
    
27.     TMOD = 0x01;
    
28.     TH0 = T1ms >> 8;
    
29.     TL0 = T1ms;
    
30.     EA = 1;
    
31.     ET0 = 1;
    
32.     TR0 = 1;
    
33. }
    
34. 
    
35. u8 code word[1024]={                        //8*8点阵字库数据 (共128种字符)
    
36.         0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
    
37.         0x33,0x33,0xCC,0xCC,0x33,0x33,0xCC,0xCC,
    
38.         0x00,0x08,0x0C,0xFE,0xFE,0x0C,0x08,0x00,
    
39.         0x00,0x18,0x3C,0x7E,0x18,0x18,0x18,0x18,
    
40.         0x40,0x68,0x7C,0x5E,0x49,0x49,0x22,0x00,
    
41.         0x00,0x10,0x78,0x78,0x08,0x78,0x7C,0x04,
    
42.         0x00,0x03,0x03,0x03,0x03,0x03,0x03,0x03,
    
43.         0x03,0xFF,0xFF,0x00,0x00,0x00,0x00,0x00,
    
44.         0x18,0x18,0x18,0x1F,0x1F,0x00,0x00,0x00,
    
45.         0x33,0x99,0xCC,0x66,0x33,0x99,0xCC,0x66,
    
46.         0x66,0xCC,0x99,0x33,0x66,0xCC,0x99,0x33,
    
47.         0x18,0x18,0x18,0x18,0x18,0x18,0x18,0x18,
    
48.         0x00,0x00,0x00,0x00,0x00,0x00,0xFF,0xFF,
    
49.         0x30,0x30,0xC0,0xC0,0x30,0x30,0xC0,0xC0,
    
50.         0x00,0x00,0x00,0xFF,0xFF,0x00,0x00,0x00,
    
51.         0x00,0x00,0x00,0xFF,0xFF,0x18,0x18,0x18,
    
52.         0x18,0x18,0x18,0xFF,0xFF,0x18,0x18,0x18,
    
53.         0x00,0x00,0x00,0x1F,0x1F,0x18,0x18,0x18,
    
54.         0x18,0x18,0x18,0xF8,0xF8,0x00,0x00,0x00,
    
55.         0xC0,0xC0,0xC0,0xC0,0xC0,0xC0,0xC0,0xC0,
    
56.         0x00,0x00,0x00,0xF8,0xF8,0x18,0x18,0x18,
    
57.         0x18,0x18,0x18,0x1F,0x1F,0x18,0x18,0x18,
    
58.         0x18,0x18,0x18,0xF8,0xF8,0x18,0x18,0x18,
    
59.         0x18,0x18,0x18,0xFF,0xFF,0x00,0x00,0x00,
    
60.         0xFF,0xFF,0xFF,0xFF,0x00,0x00,0x00,0x00,
    
61.         0xF0,0xF0,0xF0,0xF0,0xF0,0xF0,0xF0,0xF0,
    
62.         0xF0,0xF0,0xF0,0xF0,0x00,0x00,0x00,0x00,
    
63.         0x33,0x33,0xCC,0xCC,0x00,0x00,0x00,0x00,
    
64.         0x00,0x00,0x00,0x00,0x0F,0x0F,0x0F,0x0F,
    
65.         0x00,0x00,0x00,0x00,0xF0,0xF0,0xF0,0xF0,
    
66.         0x0F,0x0F,0x0F,0x0F,0x00,0x00,0x00,0x00,
    
67.         0x0F,0x0F,0x0F,0x0F,0xF0,0xF0,0xF0,0xF0,
    
68.         0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
    
69.         0x00,0x00,0x00,0x4F,0x4F,0x00,0x00,0x00,
    
70.         0x00,0x07,0x07,0x00,0x00,0x07,0x07,0x00,
    
71.         0x14,0x7F,0x7F,0x14,0x14,0x7F,0x7F,0x14,
    
72.         0x00,0x24,0x2E,0x6B,0x6B,0x3A,0x12,0x00,
    
73.         0x00,0x62,0x32,0x18,0x0C,0x66,0x62,0x00,
    
74.         0x00,0x32,0x7F,0x4D,0x4D,0x77,0x72,0x50,
    
75.         0x00,0x00,0x00,0x04,0x06,0x03,0x01,0x00,
    
76.         0x00,0x00,0x1C,0x3E,0x63,0x41,0x00,0x00,
    
77.         0x00,0x00,0x41,0x63,0x3E,0x1C,0x00,0x00,
    
78.         0x08,0x2A,0x3E,0x1C,0x1C,0x3E,0x2A,0x08,
    
79.         0x00,0x08,0x08,0x3E,0x3E,0x08,0x08,0x00,
    
80.         0x00,0x00,0x80,0xE0,0x60,0x00,0x00,0x00,
    
81.         0x00,0x08,0x08,0x08,0x08,0x08,0x08,0x00,
    
82.         0x00,0x00,0x00,0x60,0x60,0x00,0x00,0x00,
    
83.         0x00,0x40,0x60,0x30,0x18,0x0C,0x06,0x02,
    
84.         0x00,0x3E,0x7F,0x49,0x45,0x7F,0x3E,0x00,
    
85.         0x00,0x40,0x44,0x7F,0x7F,0x40,0x40,0x00,
    
86.         0x00,0x62,0x73,0x51,0x49,0x4F,0x46,0x00,
    
87.         0x00,0x22,0x63,0x49,0x49,0x7F,0x36,0x00,
    
88.         0x00,0x18,0x18,0x14,0x16,0x7F,0x7F,0x10,
    
89.         0x00,0x27,0x67,0x45,0x45,0x7D,0x39,0x00,
    
90.         0x00,0x3E,0x7F,0x49,0x49,0x7B,0x32,0x00,
    
91.         0x00,0x03,0x03,0x79,0x7D,0x07,0x03,0x00,
    
92.         0x00,0x36,0x7F,0x49,0x49,0x7F,0x36,0x00,
    
93.         0x00,0x26,0x6F,0x49,0x49,0x7F,0x3E,0x00,
    
94.         0x00,0x00,0x00,0x24,0x24,0x00,0x00,0x00,
    
95.         0x00,0x00,0x80,0xE4,0x64,0x00,0x00,0x00,
    
96.         0x00,0x08,0x1C,0x36,0x63,0x41,0x41,0x00,
    
97.         0x00,0x14,0x14,0x14,0x14,0x14,0x14,0x00,
    
98.         0x00,0x41,0x41,0x63,0x36,0x1C,0x08,0x00,
    
99.         0x00,0x02,0x03,0x51,0x59,0x0F,0x06,0x00,
    
100.         0x00,0x3E,0x7F,0x41,0x4D,0x4F,0x2E,0x00,
     
101.         0x00,0x7C,0x7E,0x0B,0x0B,0x7E,0x7C,0x00,
     
102.         0x00,0x7F,0x7F,0x49,0x49,0x7F,0x36,0x00,
     
103.         0x00,0x3E,0x7F,0x41,0x41,0x63,0x22,0x00,
     
104.         0x00,0x7F,0x7F,0x41,0x63,0x3E,0x1C,0x00,
     
105.         0x00,0x7F,0x7F,0x49,0x49,0x41,0x41,0x00,
     
106.         0x00,0x7F,0x7F,0x09,0x09,0x01,0x01,0x00,
     
107.         0x00,0x3E,0x7F,0x41,0x49,0x7B,0x3A,0x00,
     
108.         0x00,0x7F,0x7F,0x08,0x08,0x7F,0x7F,0x00,
     
109.         0x00,0x00,0x41,0x7F,0x7F,0x41,0x00,0x00,
     
110.         0x00,0x20,0x60,0x41,0x7F,0x3F,0x01,0x00,
     
111.         0x00,0x7F,0x7F,0x1C,0x36,0x63,0x41,0x00,
     
112.         0x00,0x7F,0x7F,0x40,0x40,0x40,0x40,0x00,
     
113.         0x00,0x7F,0x7F,0x06,0x0C,0x06,0x7F,0x7F,
     
114.         0x00,0x7F,0x7F,0x0E,0x1C,0x7F,0x7F,0x00,
     
115.         0x00,0x3E,0x7F,0x41,0x41,0x7F,0x3E,0x00,
     
116.         0x00,0x7F,0x7F,0x09,0x09,0x0F,0x06,0x00,
     
117.         0x00,0x1E,0x3F,0x21,0x61,0x7F,0x5E,0x00,
     
118.         0x00,0x7F,0x7F,0x19,0x39,0x6F,0x46,0x00,
     
119.         0x00,0x26,0x6F,0x49,0x49,0x7B,0x32,0x00,
     
120.         0x00,0x01,0x01,0x7F,0x7F,0x01,0x01,0x00,
     
121.         0x00,0x3F,0x7F,0x40,0x40,0x7F,0x3F,0x00,
     
122.         0x00,0x1F,0x3F,0x60,0x60,0x3F,0x1F,0x00,
     
123.         0x00,0x7F,0x7F,0x30,0x18,0x30,0x7F,0x7F,
     
124.         0x00,0x63,0x77,0x1C,0x1C,0x77,0x63,0x00,
     
125.         0x00,0x07,0x0F,0x78,0x78,0x0F,0x07,0x00,
     
126.         0x00,0x61,0x71,0x59,0x4D,0x47,0x43,0x00,
     
127.         0x00,0x00,0x7F,0x7F,0x41,0x41,0x00,0x00,
     
128.         0x00,0x01,0x03,0x06,0x0C,0x18,0x30,0x20,
     
129.         0x00,0x00,0x41,0x41,0x7F,0x7F,0x00,0x00,
     
130.         0x00,0x08,0x0C,0x06,0x06,0x0C,0x08,0x00,
     
131.         0x00,0x40,0x40,0x40,0x40,0x40,0x40,0x40,
     
132.         0x00,0x00,0x00,0x07,0x07,0x00,0x00,0x00,
     
133.         0x00,0x20,0x74,0x54,0x54,0x7C,0x78,0x00,
     
134.         0x00,0x7E,0x7E,0x48,0x48,0x78,0x30,0x00,
     
135.         0x00,0x38,0x7C,0x44,0x44,0x44,0x00,0x00,
     
136.         0x00,0x30,0x78,0x48,0x48,0x7E,0x7E,0x00,
     
137.         0x00,0x38,0x7C,0x54,0x54,0x5C,0x18,0x00,
     
138.         0x00,0x00,0x08,0x7C,0x7E,0x0A,0x0A,0x00,
     
139.         0x00,0x98,0xBC,0xA4,0xA4,0xFC,0x7C,0x00,
     
140.         0x00,0x7E,0x7E,0x08,0x08,0x78,0x70,0x00,
     
141.         0x00,0x00,0x48,0x7A,0x7A,0x40,0x00,0x00,
     
142.         0x00,0x00,0x80,0x80,0x80,0xFA,0x7A,0x00,
     
143.         0x00,0x7E,0x7E,0x10,0x38,0x68,0x40,0x00,
     
144.         0x00,0x00,0x42,0x7E,0x7E,0x40,0x00,0x00,
     
145.         0x00,0x7C,0x7C,0x18,0x38,0x1C,0x7C,0x78,
     
146.         0x00,0x7C,0x7C,0x04,0x04,0x7C,0x78,0x00,
     
147.         0x00,0x38,0x7C,0x44,0x44,0x7C,0x38,0x00,
     
148.         0x00,0xFC,0xFC,0x24,0x24,0x3C,0x18,0x00,
     
149.         0x00,0x18,0x3C,0x24,0x24,0xFC,0xFC,0x00,
     
150.         0x00,0x7C,0x7C,0x04,0x04,0x0C,0x08,0x00,
     
151.         0x00,0x48,0x5C,0x54,0x54,0x74,0x24,0x00,
     
152.         0x00,0x04,0x04,0x3E,0x7E,0x44,0x44,0x00,
     
153.         0x00,0x3C,0x7C,0x40,0x40,0x7C,0x7C,0x00,
     
154.         0x00,0x1C,0x3C,0x60,0x60,0x3C,0x1C,0x00,
     
155.         0x00,0x1C,0x7C,0x70,0x38,0x70,0x7C,0x1C,
     
156.         0x00,0x44,0x6C,0x38,0x38,0x6C,0x44,0x00,
     
157.         0x00,0x9C,0xBC,0xA0,0xE0,0x7C,0x3C,0x00,
     
158.         0x00,0x44,0x64,0x74,0x5C,0x4C,0x44,0x00,
     
159.         0x00,0x08,0x2A,0x7F,0x55,0x41,0x00,0x00,
     
160.         0x00,0x00,0x00,0xE7,0xE7,0x00,0x00,0x00,
     
161.         0x00,0x00,0x41,0x55,0x7F,0x2A,0x08,0x00,
     
162.         0x06,0x06,0x03,0x03,0x06,0x06,0x03,0x03,
     
163.         0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00
     
164. };
     
165. 
     
166. u8 vram[8];                //点阵显存
     
167. u8 *text="Hello World! I Love You! ";                //欲滚动的字符串(末尾加空格,严禁中文)
     
168. 
     
169. void main(){
     
170.         u8 i =0;
     
171.         //强推挽
     
172.         WDT_CONTR = 0x27;        //开看门狗
     
173.         XM0=0xFF;XM1=0x00;
     
174.         YM0=0xFF;YM1=0x00;
     
175. 
     
176.         InitTimer0();                        //开定时器0中断
     
177.         while(1){
     
178.                 _nop_();
     
179.                 _nop_();
     
180.                 WDT_CONTR |= 0x10;                //看门狗喂狗
     
181.                 _nop_();
     
182.                 _nop_();       
     
183.         }
     
184. }
     
185. 
     
186. void left(u8 i){                //向左滚动
     
187.         u8 j;
     
188.         for(j=1;j<8;j++){
     
189.                 vram[j-1] = vram[j];
     
190.         }
     
191.         vram[7]=i;
     
192. }
     
193. 
     
194. void Timer0Interrupt() interrupt 1 {
     
195.                 static u8 i=0,j=0,k=0;
     
196.                 static u16 pc=0;        //字符串指针
     
197.     TH0 = T1ms >> 8;
     
198.     TL0 = T1ms;
     
199.                         //共阴(*AS)
     
200.                         /*
     
201.                         X = 0x00;
     
202.                         Y = ~vram[i];
     
203.                         X = (1 << i);
     
204.                         */
     
205.        
     
206.                         //共阳(*BS)
     
207.                         X = 0xFF;
     
208.                         Y = vram[i];
     
209.                         X = ~(1 << i);
     
210.                 if(++i >= 8){
     
211.                         i = 0;
     
212.                         if(++j >= 8){                //值越小滚动越快
     
213.                                 j = 0;
     
214.                                 left(word[text[pc]*8+k]);
     
215.                                 if(++k >= 8){
     
216.                                         k=0;
     
217.                                         if(!text[++pc]){
     
218.                                                 pc=0;
     
219.                                         }
     
220.                                 }
     
221.                         }
     
222.                 }
     
223. }
     

复制代码

green

学习学习