📄 vterminal_bus_wave.lst
字号:
C51 COMPILER V7.20 VTERMINAL_BUS_WAVE 07/29/2006 15:52:17 PAGE 1
C51 COMPILER V7.20, COMPILATION OF MODULE VTERMINAL_BUS_WAVE
OBJECT MODULE PLACED IN VTerminal_bus_wave.OBJ
COMPILER INVOKED BY: C:\Keil\C51\BIN\C51.EXE VTerminal_bus_wave.c BROWSE DEBUG OBJECTEXTEND
line level source
1 //智能显示终端并行接口通信演示程序之一总线方式。
2 //仿真器需选择："总线设置(Bus Option)"的"仅使用数据总线(Use XBus Only)"。
3 //
4
5 #include <reg51.h>
6 #include <stdio.h>
7 #include <string.h>
8 #define uchar unsigned char
9
10 //定义P0口为数据线，P3.1, P3.2为控制线。
11 sbit CS0 =P3^1; //片选信号
12 sbit PINT =P3^2; //触摸屏中断信号
13 uchar Fcolor; //背景色
14 uchar Bcolor; //前景色
15
16 //写一个数据子程序：
17 Write_Byte(uchar dc_data)
18 {
19 1 uchar xdata DC; //定义一个外部RAM变量
20 1 uchar i;
21 1 CS0 = 0;
22 1 DC = dc_data; //数据dc_data写到外部RAM（即LCD控制板）。
23 1 CS0 = 1;
24 1 //加入适当的空操作延时
25 1 //当采用更高速的单片机时应加入更多的空操作延时
26 1 //这里加上8个空操作延时,在AT89C51,22MHz下是完全没问题的。
27 1 for(i=0;i<8;i++){}
28 1 }
29
30 Lcd_Clr();
31 dis_wave(unsigned short x0,unsigned short y0,uchar con,unsigned short *p_data);
32
33 /********************************************
34 定义数据常量，这些数据在实际应用中一般由A/D转换器采样所得到。
35 这里的每一个字节代表一个Y轴坐标的大小即幅度。
36 最后一个一定是0x84结束码.
37 **********************************************/
38 unsigned short code y_data1[110] = {
39 0x0b,0x0b,0x0b,0x0b,0x0b,
40 0x0b,0x0b,0x0b,0x0b,0x0b,
41 0x0b,0x0b,0x0b,0x0b,0x0b,
42 0x1c,0x1c,0x1c,0x1c,0x1c,
43 0x1c,0x1c,0x1c,0x1c,0x1c,
44 0x1c,0x1c,0x1c,0x1c,0x1c,
45 0x1c,0x1c,0x1c,0x1c,0x1c,
46 0x00,0x00,0x00,0x00,0x00,
47 0x00,0x00,0x00,0x00,0x00,
48 0x00,0x00,0x00,0x00,0x00,
49 0x00,0x00,0x00,0x00,0x00,
50 0x50,0x50,0x50,0x50,0x50,
51 0x50,0x50,0x50,0x50,0x50,
52 0x50,0x50,0x50,0x50,0x50,
53 0x50,0x50,0x50,0x50,0x50,
54 0x50,0x50,0x50,0x50,0x50,
55 0x48,0x46,0x44,0x42,0x40,
C51 COMPILER V7.20 VTERMINAL_BUS_WAVE 07/29/2006 15:52:17 PAGE 2
56 0x3e,0x3c,0x3a,0x38,0x36,
57 0x34,0x32,0x30,0x2e,0x2c,
58 0x2a,0x28,0x26,0x24,0x22,
59 0x20,0x1e,0x1c,0x1a,0x18,
60 0x16,0x14,0x12,0x10,0x84
61 };
62
63 unsigned short code y_data2[110] = {
64 0x015e,0x015e,0x015e,0x015e,0x015e,
65 0x015e,0x015e,0x015e,0x015e,0x015e,
66 0x015e,0x015e,0x015e,0x015e,0x015e,
67 0x015e,0x015e,0x015e,0x015e,0x015e,
68 0x015e,0x015e,0x015e,0x015e,0x015e,
69 0x015e,0x015e,0x015e,0x015e,0x015e,
70 0x015e,0x015e,0x015e,0x015e,0x015e,
71 0x00,0x00,0x00,0x00,0x00,
72 0x00,0x00,0x00,0x00,0x00,
73 0x00,0x00,0x00,0x00,0x00,
74 0x00,0x00,0x00,0x00,0x00,
75 0x0084,0x0084,0x0084,0x0084,0x0084,
76 0x0084,0x0084,0x0084,0x0084,0x0084,
77 0x0084,0x0084,0x0084,0x0084,0x0084,
78 0x0084,0x0084,0x0084,0x0084,0x0084,
79 0x0084,0x0084,0x0084,0x0084,0x0084,
80 0x48,0x46,0x44,0x42,0x40,
81 0x3e,0x3c,0x3a,0x38,0x36,
82 0x34,0x32,0x30,0x2e,0x2c,
83 0x2a,0x28,0x26,0x24,0x22,
84 0x20,0x1e,0x1c,0x1a,0x18,
85 0x16,0x14,0x12,0x10,0xffff
86 };
87
88 main(void)
89 {
90 1 unsigned int i;
91 1
92 1 CS0 = 0;
93 1 PINT = 1;
94 1 Fcolor = 0x0;
95 1 Bcolor = 0xff;
96 1 i = 0;
97 1
98 1 //显示终端在上电就绪时发送F0.用仿真器时不要检测F0.
99 1 //当把程序烧写到单片机上时，显示终端和单片机同时上电，所以一定
100 1 //要检测是否收到F0。以判断显示终端是否上电就绪
101 1 //while(!(i == 0xF0))
102 1 //{i = Read_Byte();}
103 1
104 1 IT1 = 0; //外部中断1为电平触发方式。
105 1 EA=1; //全局中断使能，(EA=0,关全局中断；EA=1，开全局中断）
106 1 EX1 = 1; //外部中断使能置1，允许外部中断
107 1
108 1 Lcd_Clr(); //清除全屏。
109 1 Fcolor = 0xe0;
110 1 dis_wave(0,0,1,y_data1); //以 (0,0) 为坐标原点显示波形。幅度为单字节
111 1 Fcolor = 0x1c;
112 1 dis_wave(100,100,2,y_data2); //以 (80,80) 为坐标原点显示波形。幅度为双字节。
113 1 Fcolor = 0xff;
114 1 while(1)
115 1 {
116 2 }
117 1 }
C51 COMPILER V7.20 VTERMINAL_BUS_WAVE 07/29/2006 15:52:17 PAGE 3
118
119 //指令头，每一条指令都规定为"0x81, command1,command2,Fcolor,Bcolor"
120 command_head(unsigned char command1,unsigned char command2)
121 {
122 1 Write_Byte(0x81);
123 1 Write_Byte(command1);
124 1 Write_Byte(command2);
125 1 Write_Byte(Fcolor);
126 1 Write_Byte(Bcolor);
127 1 }
128
129 //清屏子程序
130 Lcd_Clr()
131 {
132 1 command_head(0x43,0x4c);
133 1 Write_Byte(0x84);
134 1 }
135 //显示波形子程序。
136 //显示波形的原理是：x轴从坐标原点开始自动加一，y轴(幅度)是*p_data。
137 //x0, y0是坐标原点。
138 //con=1 y轴(幅度)的大小用一个字节表示。con = 2:y轴(幅度)的大小用二个字节表示
139 dis_wave(unsigned short x0,unsigned short y0,uchar con,unsigned short *p_data)
140 {
141 1 unsigned int i;
142 1 command_head(0x53,0x53);
143 1 Write_Byte(x0/100);
144 1 Write_Byte(x0%100);
145 1 Write_Byte(y0/100);
146 1 Write_Byte(y0%100);
147 1 Write_Byte(con);
148 1 switch(con)
149 1 {case 1:
150 2 do
151 2 {
152 3 Write_Byte(*p_data%100); //因为*p_data定义为short类型指针，所以这里要先取模运算
153 3 p_data++;
154 3 }
155 2 while(*p_data !=0x84);
156 2 break;
157 2
158 2 case 2:
159 2 do
160 2 {
161 3 Write_Byte(*p_data/100);
162 3 Write_Byte(*p_data%100);
163 3 p_data++;
164 3 }
165 2 while(*p_data !=0xffff); //这里不能定义为Ox84，因为p_data[x]有可能为0x84
166 2 break;
167 2
168 2 default: break;
169 2 }
170 1 Write_Byte(0x84);
171 1 for(i= 0;i<50;i++){} //特别注意：执行完这条指令后一定要延时至少0.1秒
172 1 }
MODULE INFORMATION: STATIC OVERLAYABLE
CODE SIZE = 326 ----
CONSTANT SIZE = 440 ----
XDATA SIZE = ---- 1
PDATA SIZE = ---- ----
C51 COMPILER V7.20 VTERMINAL_BUS_WAVE 07/29/2006 15:52:17 PAGE 4
DATA SIZE = 2 10
IDATA SIZE = ---- ----
BIT SIZE = ---- ----
END OF MODULE INFORMATION.
C51 COMPILATION COMPLETE. 0 WARNING(S), 0 ERROR(S)
⌨️ 快捷键说明
复制代码
Ctrl + C
搜索代码
Ctrl + F
全屏模式
F11
切换主题
Ctrl + Shift + D
显示快捷键
?
增大字号
Ctrl + =
减小字号
Ctrl + -