📄 display.lst
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C51 COMPILER V6.14 DISPLAY 07/15/2005 09:38:51 PAGE 1
C51 COMPILER V6.14, COMPILATION OF MODULE DISPLAY
OBJECT MODULE PLACED IN .\Display.OBJ
COMPILER INVOKED BY: C:\Keil\C51\BIN\C51.EXE .\Display.C DEBUG OBJECTEXTEND
stmt level source
1 /*********************************************************************************
2 * *
3 * FileName: Display.c *
4 * Function: monitor controller *
5 * SystemName: NDS18000-BSC *
6 * CPU: ATMEL AT89C52 *
7 * Startup: 14/Oct/2002 *
8 * Author: XuYiBo *
9 * *
10 *********************************************************************************/
11 #include <AT89X52.H>
12
13 #include "NDSBSCUI.H"
14 #include "display.h"
15 #include "General.h"
16
17 //unsigned char data ucDisBuffer[40]; //display buffer
18 //unsigned char data ucCursorType; //Cursor Type:0=turn off,1=turn on,2=blink,others no define
19 //unsigned char data ucCursorPos; //Cursor Position:range 0－40
20
21 unsigned char xdata ucDisplayDat _at_ 0x4000;
22 unsigned char xdata ucDisplayCom _at_ 0x4001;
23
24 extern UIMemory xdata UIDataArea; //define in NDSBSCUI.C
25
26 /////////////////////////////////////////////////////////////////////////////////////////////////
27 /***********************************************************
28 * *
29 * Initialize display parameter *
30 * *
31 ***********************************************************/
32 void InitDisplay(void)
33 {
34 1 // ucCursorType= 0;
35 1 // ucCursorPos = 40;
36 1 ResetLCD();
37 1 }
38
39 /***********************************************************
40 * *
41 * write display buffer(code area to data area) *
42 * *
43 ***********************************************************/
44 /*
45 void WriteDisBuf_c(unsigned char code *pStr_Sour)
46 {
47 unsigned char data *pstr_Tmp;
48 pstr_Tmp = ucDisBuffer;
49 while( pstr_Tmp != ucDisBuffer+40)
50 {
51 *(pstr_Tmp++) = *(pStr_Sour++);
52 }
53 }
54 */
55 /***********************************************************
C51 COMPILER V6.14 DISPLAY 07/15/2005 09:38:51 PAGE 2
56 * *
57 * write display buffer(xdata area to data area) *
58 * *
59 ***********************************************************/
60 /*
61 void WriteDisBuf_x(void)
62 {
63 unsigned char data *pstr_Des;
64 unsigned char xdata *pstr_Sour;
65
66 pstr_Des = ucDisBuffer;
67 pstr_Sour= UIDataArea.DisBuffer.DisplayBuffer;
68 while( pstr_Des != ucDisBuffer+40)
69 {
70 *(pstr_Des++) = *(pstr_Sour++);
71 }
72 ucCursorType= UIDataArea.DisBuffer.CursorType;
73 ucCursorPos = UIDataArea.DisBuffer.CursorPos;
74 }
75 */
76 /***********************************************************
77 * *
78 * Initialize the LCD panel *
79 * *
80 ***********************************************************/
81 void ResetLCD(void)
82 {
83 1 ucDisplayCom = 0x01; //Clear Display
84 1 DelayTime(0x02);
85 1 ucDisplayCom = 0x38; //8Bit BUS/2Line display mode/5*11 dots
86 1 DelayCycle(0x16);
87 1 ucDisplayCom = 0x0c; //Display on/Cursor off/Cursor blink off
88 1 DelayCycle(0x16);
89 1 ucDisplayCom = 0x06; //
90 1 DelayCycle(0x16);
91 1 }
92
93 /***********************************************************
94 * *
95 * 将DisBuffer中40Bytes送显示屏,设置光标位置、类型等 *
96 * *
97 ***********************************************************/
98 /*
99 void Display(void)
100 {
101 unsigned char data *pstr_Tmp;
102 ucDisplayCom = 0x80;
103 DelayCycle(0x08);
104
105 pstr_Tmp = ucDisBuffer;
106 while( pstr_Tmp != ucDisBuffer+20)
107 {
108 ucDisplayDat = *(pstr_Tmp++);
109 DelayCycle(0x08);
110 }
111
112 ucDisplayCom = 0xc0; //Second line
113 DelayCycle(0x08);
114
115 while( pstr_Tmp != ucDisBuffer+40)
116 {
117 ucDisplayDat = *(pstr_Tmp++);
C51 COMPILER V6.14 DISPLAY 07/15/2005 09:38:51 PAGE 3
118 DelayCycle(0x08);
119 }
120
121 if( ucCursorPos >= 20 ) //Set cursor position
122 {
123 ucDisplayCom = (ucCursorPos+44) | 0x80;
124 }
125 else
126 {
127 ucDisplayCom = ucCursorPos | 0x80;
128 }
129 DelayCycle(0x08);
130
131 if( ucCursorType == 0x00) //Cursor type
132 {
133 ucDisplayCom = 0x0c; //turn off the cursor
134 }
135 else if( ucCursorType == 0x01)
136 {
137 ucDisplayCom = 0x0e; //turn on the cursor
138 }
139 else if( ucCursorType == 0x02)
140 {
141 ucDisplayCom = 0x0f; //blink
142 }
143 DelayCycle(0x08);
144 }
145 */
146 /***************************************************************
147 * *
148 * 将双口RAM中显示缓冲区的内容送显示屏,设置光标位置、类型等 *
149 * *
150 ***************************************************************/
151 void DisplayEx(void)
152 {
153 1 unsigned char xdata *pstr_Tmp;
154 1 unsigned char ucTmp;
155 1 ucDisplayCom = 0x80; //first line
156 1 DelayCycle(0x08);
157 1
158 1 pstr_Tmp = UIDataArea.DisBuffer.DisplayBuffer;
159 1 ucTmp = 20;
160 1 while( ucTmp-- )
161 1 {
162 2 ucDisplayDat = *(pstr_Tmp++);
163 2 DelayCycle(0x06);
164 2 }
165 1
166 1 ucDisplayCom = 0xc0; //Second line
167 1 DelayCycle(0x08);
168 1
169 1 ucTmp = 20;
170 1 while( ucTmp-- )
171 1 {
172 2 ucDisplayDat = *(pstr_Tmp++);
173 2 DelayCycle(0x06);
174 2 }
175 1
176 1 if( UIDataArea.DisBuffer.CursorPos >= 20 ) //Set cursor position
177 1 {
178 2 ucDisplayCom = (UIDataArea.DisBuffer.CursorPos+44) | 0x80;
179 2 }
C51 COMPILER V6.14 DISPLAY 07/15/2005 09:38:51 PAGE 4
180 1 else
181 1 {
182 2 ucDisplayCom = UIDataArea.DisBuffer.CursorPos | 0x80;
183 2 }
184 1 DelayCycle(0x08);
185 1
186 1 if( UIDataArea.DisBuffer.CursorType == 0x00) //Cursor type
187 1 {
188 2 ucDisplayCom = 0x0c; //turn off the cursor
189 2 }
190 1 else if( UIDataArea.DisBuffer.CursorType == 0x01)
191 1 {
192 2 ucDisplayCom = 0x0e; //turn on the cursor
193 2 }
194 1 else if( UIDataArea.DisBuffer.CursorType == 0x02)
195 1 {
196 2 ucDisplayCom = 0x0f; //blink
197 2 }
198 1 DelayCycle(0x08);
199 1 }
200
201 /***************************************************************
202 * *
203 * 将指定的ROM区的内容送显示屏 *
204 * *
205 ***************************************************************/
206 void DisplayRom(unsigned char code *pstr_Tmp)
207 {
208 1 unsigned char ucTmp;
209 1 ucDisplayCom = 0x80; //first line
210 1 DelayCycle(0x08);
211 1
212 1 ucTmp = 20;
213 1 while( ucTmp-- )
214 1 {
215 2 ucDisplayDat = *(pstr_Tmp++);
216 2 DelayCycle(0x06);
217 2 }
218 1
219 1 ucDisplayCom = 0xc0; //Second line
220 1 DelayCycle(0x08);
221 1
222 1 ucTmp = 20;
223 1 while( ucTmp-- )
224 1 {
225 2 ucDisplayDat = *(pstr_Tmp++);
226 2 DelayCycle(0x06);
227 2 }
228 1 }
229 /***********************************************************
230 * *
231 * set type of the cursor: *
232 * 0=turn off *
233 * 1=turn on,not blink *
234 * 2=turn on,blink *
235 * *
236 ***********************************************************/
237 /*void SetCursorType(unsigned char ucType)
238 {
239 if( ucType == 0x00) //Cursor type
240 {
241 ucDisplayCom = 0x0c; //turn off
C51 COMPILER V6.14 DISPLAY 07/15/2005 09:38:51 PAGE 5
242 }
243 else if( ucType == 0x01)
244 {
245 ucDisplayCom = 0x0e; //turn on,not blink
246 }
247 else if( ucType == 0x02)
248 {
249 ucDisplayCom = 0x0f; //blink
250 }
251 DelayCycle(0x08);
252 }
253 */
254 /***********************************************************
255 * *
256 * set position of the cursor *
257 * *
258 ***********************************************************/
259 void SetCursorPos(unsigned char ucPos)
260 {
261 1 if( ucPos >= 20 )
262 1 {//first line
263 2 ucDisplayCom = (ucPos+44) | 0x80;
264 2 }
265 1 else
266 1 {//second line
267 2 ucDisplayCom = ucPos | 0x80;
268 2 }
269 1 DelayCycle(0x08);
270 1 }
271
272 /***********************************************************
273 * *
274 * display a char at current position *
275 * *
276 ***********************************************************/
277 void DisplayChar(unsigned char ucDisByte)
278 {
279 1 ucDisplayDat = ucDisByte;
280 1 DelayCycle(0x08);
281 1 }
MODULE INFORMATION: STATIC OVERLAYABLE
CODE SIZE = 366 ----
CONSTANT SIZE = ---- ----
XDATA SIZE = ---- ----
PDATA SIZE = ---- ----
DATA SIZE = ---- 6
IDATA SIZE = ---- ----
BIT SIZE = ---- ----
END OF MODULE INFORMATION.
C51 COMPILATION COMPLETE. 0 WARNING(S), 0 ERROR(S)
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