📄 lcd_demo.lst
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ARM COMPILER V2.53, Lcd_Demo 02/08/06 16:25:34 PAGE 1
ARM COMPILER V2.53, COMPILATION OF MODULE Lcd_Demo
OBJECT MODULE PLACED IN .\Obj\Lcd_Demo.obj
COMPILER INVOKED BY: C:\Keil\ARM\BIN\CA.exe Lcd_Demo.c THUMB BROWSE DEBUG PRINT(.\LST\LCD_DEMO.LST) TABS(4) OBJECT(.\Obj
-\Lcd_Demo.obj)
stmt level source
1 /*============================================================
2 LPC214X 液晶功能演示
3 作者: Mingtree ycxms88@163.com http://www.mcu123.com
4 ==============================================================
5
6
7
8
9
10
11
12 /*
13 引脚分布
14 P0.0 P0.1 P0.2 P0.3 P0.4 P0.5 P0.6 P0.7
15 TX0 RX0 CS1 K4 K3
16
17 P0.8 P0.9 P0.10 P0.11 P0.12 P0.13 P0.14 P0.15
18 TX1 RX1 RW SCL SDA K1 VRST K2
19
20 P0.16 P0.17 P0.18 P0.19 P0.20 P0.21 P0.22 P0.23
21 BEEP SCK1 MISO MOSI SSEL RS_COM RW VB
22 P0.24 P0.25 P0.26 P0.27 P0.28 P0.29 P0.30 P0.31
23 AOUT D+ D- A_IN1 A_IN2 CS2 ULED
24
25 LED引脚
26 L1---------L8
27 P1.16----P1.23
28 */
29
30 #include <LPC214X.H> /* LPC214x definitions */
31
32 #include <Code.H>
33
34 #include <adc.h>
35
36 #define ok 13
37 #define add 7
38 #define dec 15
39 #define fun 6
40
41 #define E1 4 //块1 左边
42 #define E2 30 //块2 右边
43
44 #define RW 22 //读写控制端 0为写 1为读
45 #define A0 21 //A0为1时是数据，0时为指令数据
46
47 #define BEEP 16
48
49 #define DATA PORTB //数据
50
51
52 uchar key_code=0;
53 uint data=0;
54
55
56
57 void Io_Set(uchar pin) //单个IO口置位函数
58 {
ARM COMPILER V2.53, Lcd_Demo 02/08/06 16:25:34 PAGE 2
59 1 unsigned int io_data=1;
60 1 io_data=io_data<<pin;
61 1 IOSET0=io_data; //IOSET0为IO线上置位寄存器，1有效，0无
62 1 }
63
64
65 void Io_Clr(uchar pin) //单个IO口清零函数
66 {
67 1 unsigned int io_data=1;
68 1 io_data=io_data<<pin;
69 1 IOCLR0=io_data; //IOCLR0为IO线上清零寄存器，1有效，0无
70 1 }
71
72
73 void Io_Set1(uchar pin) //单个IO口置位函数
74 {
75 1 unsigned int io_data=1;
76 1 io_data=io_data<<pin;
77 1 IOSET1=io_data; //IOSET0为IO线上置位寄存器，1有效，0无
78 1 }
79
80
81 void Io_Clr1(uchar pin) //单个IO口清零函数
82 {
83 1 unsigned int io_data=1;
84 1 io_data=io_data<<pin;
85 1 IOCLR1=io_data; //IOCLR0为IO线上清零寄存器，1有效，0无
86 1 }
87 void OUT_DATA(unsigned char data)
88 {
89 1 unsigned char i;
90 1 for(i=0;i<8;i++)
91 1 {
92 2
93 2 if(data&1) {Io_Set1(i+16);} //把相应的IO口置位或者清零
94 2 else {Io_Clr1(i+16);}
95 2 data=data>>1;
96 2 }
97 1 }
98
99
100
101 //延时
102 void delay(unsigned int i)
103 {
104 1 unsigned int k=1000;
105 1 while(i>0)
106 1 {
107 2 i--;
108 2 }
109 1 while(k>1)k--;
110 1 }
111
112
113 void delayms (unsigned int i) { /* Delay function */
114 1 unsigned int n;
115 1 while(i>1)
116 1 {
117 2 for(n=65535;n>1;n--);
118 2 i--;
119 2 }
120 1 }
121 //左页
122 //发送数据
123 void OUTMD(unsigned char i)
124 {
ARM COMPILER V2.53, Lcd_Demo 02/08/06 16:25:34 PAGE 3
125 1 Io_Set(A0); //A0_1; //写数据
126 1 delay(1);
127 1 Io_Set(E1); //E1_1;
128 1 delay(1);
129 1 OUT_DATA(i);// DATA=i;
130 1 delay(1);
131 1 Io_Clr(E1); //E1_0;
132 1
133 1 }
134 //左页
135 //发送命令
136 void OUTMI(unsigned char i)
137 {
138 1 Io_Clr(A0); //A0_0; //写指令
139 1 delay(1);
140 1 Io_Set(E1); //E1_1;
141 1 delay(1);
142 1 OUT_DATA(i); //DATA=i;
143 1 delay(1);
144 1 Io_Clr(E1); //E1_0;
145 1
146 1 }
147 //右页
148 //发送数据
149 void OUTSD(unsigned char i)
150 {
151 1 Io_Set(A0); //A0_1; //写数据
152 1 delay(1);
153 1 Io_Set(E2); //E2_1;
154 1 delay(1);
155 1 OUT_DATA(i); //DATA=i;
156 1 delay(1);
157 1 Io_Clr(E2); //E2_0;
158 1
159 1 }
160 //右页
161 //发送命令
162 void OUTSI(unsigned char i)
163 {
164 1 Io_Clr(A0); //A0_0; //写指令
165 1 delay(1);
166 1 Io_Set(E2); //E2_1;
167 1 delay(1);
168 1 OUT_DATA(i); //DATA=i;
169 1 delay(1);
170 1 Io_Clr(E2); //E2_0;
171 1
172 1 }
173
174
175
176
177 //初始化
178 void lcdini(void)
179 {
180 1 Io_Clr(RW); //RW_0;
181 1 OUTMI(0XE2);
182 1 delay(1);
183 1 OUTSI(0XE2);//复位
184 1 delay(1);
185 1 OUTMI(0XAE);
186 1 delay(1);
187 1 OUTSI(0XAE);//POWER SAVE
188 1 delay(1);
189 1 OUTMI(0XA4);
190 1 delay(1);
ARM COMPILER V2.53, Lcd_Demo 02/08/06 16:25:34 PAGE 4
191 1 OUTSI(0XA4);//动态驱动
192 1 delay(1);
193 1 OUTMI(0XA9);
194 1 delay(1);
195 1 OUTSI(0XA9);//1/32占空比
196 1 delay(1);
197 1 OUTMI(0XA0);
198 1 delay(1);
199 1 OUTSI(0XA0);//时钟线输出
200 1 delay(1);
201 1 OUTMI(0XEE);
202 1 delay(1);
203 1 OUTSI(0XEE);//写模式
204 1 delay(1);
205 1 OUTMI(0X00);
206 1 OUTMI(0XC0);
207 1 OUTSI(0X00);
208 1 OUTSI(0XC0);
209 1
210 1 OUTMI(0XAF);
211 1 OUTSI(0XAF);
212 1
213 1 }
214 /*
215 函数说明：同时设置主从显示页为0－3页。（内函数，私有，用户不直接调用）
216 ------------------------------------------------------------------------
217 */
218 void SetPage(uchar page0,uchar page1)
219 {
220 1 OUTMI(0xB8|page1);OUTSI(0xB8|page0);
221 1 }
222
223 /*
224 --------------------------------------------------------------------------------
225 函数说明：同时设置主从列地址为0－121。（内函数，私有，用户不直接调用）
226 --------------------------------------------------------------------------------
227 */
228 void SetAddress(uchar address0,uchar address1)
229 {
230 1 OUTMI(address1);OUTSI(address0);
231 1 }
232
233 /*
234 --------------------------------------------------------------------------------
235
236 调用方式：void PutChar0(uchar ch)
237 函数说明：在右页当前地址画一个字节8个点。（内函数，私有，用户不直接调用）
238 --------------------------------------------------------------------------------
239 -*/
240 void PutCharR(uchar ch)
241 {
242 1 OUTSD(ch);
243 1 }
244
245 /*
246 --------------------------------------------------------------------------------
247
248 调用方式：void PutChar1(uchar ch)
249 函数说明：在左页当前地址画一个字节8个点。（内函数，私有，用户不直接调用）
250 --------------------------------------------------------------------------------
251 -*/
252 void PutCharL(uchar ch)
253 {
254 1 OUTMD(ch);
255 1 }
256
ARM COMPILER V2.53, Lcd_Demo 02/08/06 16:25:34 PAGE 5
257 /*
258 --------------------------------------------------------------------------------
259
260 调用方式：void DrawBmp(bit layer,uchar width,uchar *bmp)
261 函数说明：画一个图,layer表示上下层，width是图形的宽，高都是16，bmp是
262 图形指针
263 使用zimo3软件，纵向取模，字节倒序/240字节
264 --------------------------------------------------------------------------------
265 -*/
266 void DrawBmp(unsigned layer,uchar width,unsigned char const *bmp)
267 {
268 1 uchar x,address,i=0; //address表示显存的物理地址
269 1 uchar page=0; //page表示上下两页
270 1 uchar window=0; //window表示左右两页
271 1 //putcharR //右边
272 1 //putcharL //左边
273 1
274 1 for (x=width;x>1;x--)
275 1 {
276 2 if (i>60) {window=1;address=i%61;}
277 2 else address=i;
278 2
279 2 if(layer==0) //显示一行八个字
280 2 {
281 3 SetPage(0,0);
282 3 SetAddress(address,address);
283 3 if(window==1)PutCharR(bmp[i]);
284 3 else PutCharL(bmp[i]);
285 3 SetPage(1,1);
286 3 SetAddress(address,address);
287 3 if(window==1)PutCharR(bmp[i+width]);
288 3 else PutCharL(bmp[i+width]);
289 3 }
290 2 else
291 2 { //显示第二行八个汉字
292 3 SetPage(2,2);
293 3 SetAddress(address,address);
294 3 if(window==1)PutCharR(bmp[i]);
295 3 else PutCharL(bmp[i]);
296 3 SetPage(3,3);
297 3 SetAddress(address,address);
298 3 if(window==1)PutCharR(bmp[i+width]);
299 3 else PutCharL(bmp[i+width]);
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