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251 kaklik 1
CCS PCM C Compiler, Version 3.245, 27853               22-IV-07 16:12
199 kaklik 2
 
3
               Filename: D:\KAKLIK\projekty\programy\PIC_C\PICcam\873\camerus.lst
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5
               ROM used: 194 words (5%)
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                         Largest free fragment is 2048
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               RAM used: 6 (3%) at main() level
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                         7 (4%) worst case
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               Stack:    1 locations
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11
*
12
0000:  MOVLW  00
13
0001:  MOVWF  0A
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0002:  GOTO   029
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0003:  NOP
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.................... #include ".\camerus.h" 
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.................... #include <16F873.h> 
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.................... //////// Standard Header file for the PIC16F873 device //////////////// 
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.................... #device PIC16F873 
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.................... #list 
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....................  
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.................... #device adc=8 
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....................  
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.................... #FUSES NOWDT                 	//No Watch Dog Timer 
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.................... #FUSES XT                    	//Crystal osc <= 4mhz 
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.................... #FUSES NOPUT                 	//No Power Up Timer 
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.................... #FUSES NOPROTECT             	//Code not protected from reading 
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.................... #FUSES NOBROWNOUT            	//No brownout reset 
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.................... #FUSES NOLVP                 	//No low voltage prgming, B3(PIC16) or B5(PIC18) used for I/O 
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.................... #FUSES NOCPD                 	//No EE protection 
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.................... #FUSES NOWRT                 	//Program memory not write protected 
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.................... #FUSES NODEBUG               	//No Debug mode for ICD 
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....................  
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.................... #use delay(clock=4000000) 
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0004:  MOVLW  26
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0005:  MOVWF  04
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0006:  MOVF   00,W
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0007:  BTFSC  03.2
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0008:  GOTO   018
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0009:  MOVLW  01
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000A:  MOVWF  21
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000B:  CLRF   20
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000C:  DECFSZ 20,F
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000D:  GOTO   00C
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000E:  DECFSZ 21,F
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000F:  GOTO   00B
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0010:  MOVLW  4A
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0011:  MOVWF  20
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0012:  DECFSZ 20,F
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0013:  GOTO   012
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0014:  NOP
52
0015:  NOP
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0016:  DECFSZ 00,F
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0017:  GOTO   009
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0018:  RETLW  00
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.................... #use i2c(Master,Fast,sda=PIN_C4,scl=PIN_C3,force_HW) 
57
0019:  BCF    14.7
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001A:  BCF    0C.3
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001B:  MOVF   26,W
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001C:  MOVWF  13
61
001D:  MOVLW  02
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001E:  BTFSC  14.7
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001F:  GOTO   027
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0020:  BTFSS  0C.3
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0021:  GOTO   020
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0022:  MOVLW  00
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0023:  BSF    03.5
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0024:  BTFSC  11.6
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0025:  MOVLW  01
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0026:  BCF    03.5
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0027:  MOVWF  21
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0028:  RETLW  00
73
*
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0041:  MOVLW  FF
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0042:  BCF    03.5
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0043:  MOVWF  25
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....................  
78
....................  
79
....................  
251 kaklik 80
.................... #define  CAMERA_ADR   0xC4 
199 kaklik 81
....................  
251 kaklik 82
....................  
199 kaklik 83
.................... void main() 
84
.................... { 
85
*
86
0029:  CLRF   04
87
002A:  MOVLW  1F
88
002B:  ANDWF  03,F
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002C:  BSF    25.3
90
002D:  MOVF   25,W
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002E:  BSF    03.5
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002F:  MOVWF  07
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0030:  BCF    03.5
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0031:  BSF    25.4
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0032:  MOVF   25,W
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0033:  BSF    03.5
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0034:  MOVWF  07
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0035:  MOVLW  01
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0036:  MOVWF  13
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0037:  MOVLW  28
101
0038:  BCF    03.5
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0039:  MOVWF  14
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003A:  BSF    03.5
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003B:  BCF    14.7
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003C:  BCF    14.6
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003D:  BSF    1F.0
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003E:  BSF    1F.1
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003F:  BSF    1F.2
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0040:  BCF    1F.3
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....................    setup_adc_ports(NO_ANALOGS); 
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*
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0044:  BSF    03.5
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0045:  BSF    1F.0
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0046:  BSF    1F.1
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0047:  BSF    1F.2
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0048:  BCF    1F.3
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....................    setup_adc(ADC_OFF); 
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0049:  BCF    03.5
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004A:  BCF    1F.0
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....................    setup_timer_0(RTCC_INTERNAL|RTCC_DIV_1); 
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004B:  BSF    03.5
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004C:  MOVF   01,W
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004D:  ANDLW  C7
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004E:  IORLW  08
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004F:  MOVWF  01
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....................    setup_timer_1(T1_DISABLED); 
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0050:  BCF    03.5
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0051:  CLRF   10
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....................    setup_timer_2(T2_DISABLED,0,1); 
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0052:  MOVLW  00
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0053:  MOVWF  21
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0054:  MOVWF  12
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0055:  MOVLW  00
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0056:  BSF    03.5
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0057:  MOVWF  12
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....................  
137
....................    output_high(PIN_C0); 
138
0058:  BCF    03.5
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0059:  BCF    25.0
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005A:  MOVF   25,W
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005B:  BSF    03.5
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005C:  MOVWF  07
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005D:  BCF    03.5
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005E:  BSF    07.0
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....................    output_low(PIN_C6); 
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005F:  BCF    25.6
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0060:  MOVF   25,W
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0061:  BSF    03.5
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0062:  MOVWF  07
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0063:  BCF    03.5
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0064:  BCF    07.6
251 kaklik 152
....................  
199 kaklik 153
....................    Delay_ms(200); 
154
0065:  MOVLW  C8
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0066:  MOVWF  26
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0067:  CALL   004
157
....................    output_low(PIN_C0); 
158
0068:  BCF    25.0
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0069:  MOVF   25,W
160
006A:  BSF    03.5
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006B:  MOVWF  07
162
006C:  BCF    03.5
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006D:  BCF    07.0
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....................    Delay_ms(200); 
165
006E:  MOVLW  C8
166
006F:  MOVWF  26
167
0070:  CALL   004
168
....................    output_high(PIN_C0); 
169
0071:  BCF    25.0
170
0072:  MOVF   25,W
171
0073:  BSF    03.5
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0074:  MOVWF  07
173
0075:  BCF    03.5
174
0076:  BSF    07.0
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....................  
176
....................    i2c_start();      // Reset 
177
0077:  BSF    03.5
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0078:  BSF    11.0
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0079:  BTFSC  11.0
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007A:  GOTO   079
251 kaklik 181
....................    i2c_write(CAMERA_ADR); 
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007B:  MOVLW  C4
199 kaklik 183
007C:  BCF    03.5
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007D:  MOVWF  26
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007E:  CALL   019
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....................    i2c_write(0x12); 
187
007F:  MOVLW  12
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0080:  MOVWF  26
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0081:  CALL   019
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....................    i2c_write(0x80 | 0x24); 
191
0082:  MOVLW  A4
192
0083:  MOVWF  26
193
0084:  CALL   019
194
....................    i2c_stop(); 
195
0085:  BSF    03.5
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0086:  BSF    11.2
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0087:  BTFSC  11.2
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0088:  GOTO   087
199
....................  
200
.................... // **** Write data => Adr($13) = 0x05 **** 
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.................... // This will tri-state the Y and UV busses on the OV6620, which 
251 kaklik 202
.................... // will allow re-programming of the atmega8 to proceed at startup 
199 kaklik 203
.................... // if needed. 
204
....................  
251 kaklik 205
....................    i2c_start(); 
199 kaklik 206
0089:  BSF    11.0
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008A:  BTFSC  11.0
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008B:  GOTO   08A
251 kaklik 209
....................    i2c_write(CAMERA_ADR); 
210
008C:  MOVLW  C4
199 kaklik 211
008D:  BCF    03.5
212
008E:  MOVWF  26
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008F:  CALL   019
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....................    i2c_write(0x13); 
215
0090:  MOVLW  13
216
0091:  MOVWF  26
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0092:  CALL   019
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....................    i2c_write(0x05); 
219
0093:  MOVLW  05
220
0094:  MOVWF  26
221
0095:  CALL   019
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....................    i2c_stop(); 
223
0096:  BSF    03.5
224
0097:  BSF    11.2
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0098:  BTFSC  11.2
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0099:  GOTO   098
251 kaklik 227
....................  
199 kaklik 228
....................    Delay_ms(250); 
229
009A:  MOVLW  FA
230
009B:  BCF    03.5
231
009C:  MOVWF  26
232
009D:  CALL   004
233
....................  
234
.................... //**** Write data => Adr($3F) = 0x42 **** 
251 kaklik 235
.................... // This will turn on the external clock for the atmega8 to use. 
199 kaklik 236
....................  
251 kaklik 237
....................    i2c_start(); 
199 kaklik 238
009E:  BSF    03.5
239
009F:  BSF    11.0
240
00A0:  BTFSC  11.0
241
00A1:  GOTO   0A0
251 kaklik 242
....................    i2c_write(CAMERA_ADR); 
243
00A2:  MOVLW  C4
199 kaklik 244
00A3:  BCF    03.5
245
00A4:  MOVWF  26
246
00A5:  CALL   019
247
....................    i2c_write(0x3F); 
248
00A6:  MOVLW  3F
249
00A7:  MOVWF  26
250
00A8:  CALL   019
251
....................    i2c_write(0x42); 
252
00A9:  MOVLW  42
253
00AA:  MOVWF  26
254
00AB:  CALL   019
255
....................    i2c_stop(); 
256
00AC:  BSF    03.5
257
00AD:  BSF    11.2
258
00AE:  BTFSC  11.2
259
00AF:  GOTO   0AE
251 kaklik 260
....................  
199 kaklik 261
.................... // Wait for a short amount of time for the external clock 
251 kaklik 262
.................... // to stabilize 
199 kaklik 263
....................  
264
....................    Delay_ms(250); 
265
00B0:  MOVLW  FA
266
00B1:  BCF    03.5
267
00B2:  MOVWF  26
268
00B3:  CALL   004
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....................  
270
....................  
271
....................    output_low(PIN_C0); 
272
00B4:  BCF    25.0
273
00B5:  MOVF   25,W
274
00B6:  BSF    03.5
275
00B7:  MOVWF  07
276
00B8:  BCF    03.5
277
00B9:  BCF    07.0
251 kaklik 278
....................  
199 kaklik 279
.................... // turn on the mega8 by releasing the reset line 
280
....................    output_high(PIN_C6); 
281
00BA:  BCF    25.6
282
00BB:  MOVF   25,W
283
00BC:  BSF    03.5
284
00BD:  MOVWF  07
285
00BE:  BCF    03.5
286
00BF:  BSF    07.6
287
....................  
288
....................    while(true); 
289
00C0:  GOTO   0C0
290
.................... } 
291
00C1:  SLEEP
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293
Configuration Fuses:
294
   Word  1: 3F39   XT NOWDT NOPUT NOPROTECT NOBROWNOUT NOLVP NOCPD NOWRT NODEBUG