📄 ir_send.lst
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C51 COMPILER V7.06 IR_SEND 04/28/2008 19:08:16 PAGE 1
C51 COMPILER V7.06, COMPILATION OF MODULE IR_SEND
OBJECT MODULE PLACED IN .\bin\ir_send.obj
COMPILER INVOKED BY: C:\Keil\C51\BIN\C51.EXE ir_send.c BROWSE DEBUG OBJECTEXTEND OBJECT(.\bin\ir_send.obj)
stmt level source
1 /***********项目描述******************************
2 *本项目的功能：用于将识别到的按键转换为NEC遥控码转发给外围主板
3 *MCU芯片：AT89S52
4 *编译环境：KELL-C51
5 ************************************************/
6
7 /*****************IC Config***********************
8 *P0(0-7),P1(0-4)P2(0-7) for KEY input
9 *P1.0 for send IR code pin
10 *use isp update
11 *
12 *****************IC Config***********************/
13 #include <reg51.h>
14 #include <main_define.h>
15
16 //#include <AT89x52.H>
17
18 #define XTALO_FRE_XM 12 //4// 4
19 //#define XTALO_FRE_12M 1
20
21 #define uchar unsigned char
22 #define uint unsigned int
23
24 //-------ir send pin config------------
25 #define IR_PIN 0
26 #define IR_PIN_H (P1|=(1<<IR_PIN))
27 #define IR_PIN_L (P1&=!(1<<IR_PIN))
28 #define IR_SEND_SYS_CODE 0x7f00
29
30 #define SUPPORT_KEY_SCAN 0
31
32 #if SUPPORT_KEY_SCAN
//------------key define------------------
#define KEY_DIGITAL_0 !((P3&0x01)==0x01)//p3.0
#define KEY_DIGITAL_1 !((P3&0x02)==0x02)// (P3|!(0x01<<3))// p3.1
#define KEY_DIGITAL_2 !((P3&0x04)==0x04) //p3.2
#define KEY_DIGITAL_3 !((P3&0x08)==0x08)// (P3|!(0x01<<5)) // p3.3
#define KEY_DIGITAL_4 !((P3&0x10)==0x10) //p3.4
#define KEY_DIGITAL_5 !((P3&0x20)==0x20)// p3.5
#define KEY_DIGITAL_6 !((P3&0x80)==0x80)//p3.7
#define KEY_DIGITAL_7 !((P1&0x01)==0x01)//p1.0
#define KEY_DIGITAL_8 P2&(1<<0)
#define KEY_DIGITAL_9 P2&(1<<1)
#define KEY_VIDEO P2&(1<<2)
#define KEY_AUDIO P2&(1<<3)
#define KEY_CH_UP P2&(1<<4)
#define KEY_CH_DOWN P2&(1<<5)
#define KEY_VOL_UP P2&(1<<6)
#define KEY_VOL_DOWN P2&(1<<7)
#define KEY_POWER P1&(1<<1)
#define KEY_BACK P1&(1<<2)
#define KEY_MUTE P1&(1<<3)
#define KEY_NONE 0xff
//------IR SEND CODE DEFINE--------
C51 COMPILER V7.06 IR_SEND 04/28/2008 19:08:16 PAGE 2
#define IR_SEND_DIGITAL_0 0x00
#define IR_SEND_DIGITAL_1 0x01
#define IR_SEND_DIGITAL_2 0x02
#define IR_SEND_DIGITAL_3 0x03
#define IR_SEND_DIGITAL_4 0x04
#define IR_SEND_DIGITAL_5 0x05
#define IR_SEND_DIGITAL_6 0x06
#define IR_SEND_DIGITAL_7 0x07
#define IR_SEND_DIGITAL_8 0x08
#define IR_SEND_DIGITAL_9 0x09
#define IR_SEND_VIDEO 0x0a
#define IR_SEND_AUDIO 0x0b
#define IR_SEND_CH_UP 0x0c
#define IR_SEND_CH_DOWN 0x0d
#define IR_SEND_VOL_UP 0x0e
#define IR_SEND_VOL_DOWN 0x0f
#define IR_SEND_POWER 0x10
#define IR_SEND_BACK 0x11
#define IR_SEND_MUTE 0x12
#endif
76
77 //-----timer----------
78 void delay_xms(uchar i)
79 {
80 1 #if(XTALO_FRE_XM==4)
uint b=40,a;//XTALO_FREQUENCE/(12000*10),a;
#elif(XTALO_FRE_XM==12)
83 1 //uint b=3*40,a;//XTALO_FREQUENCE/(12000*10),a;
84 1 uint b=3*37,a;//XTALO_FREQUENCE/(12000*10),a;
85 1 #endif
86 1 for( a=b*i;a;a--)
87 1 ;
88 1 // for(b=270;b;b--);//A=100 AND B=270 FOR ms
89 1 }
90 void delay_560us(uchar i)
91 {
92 1 #if(XTALO_FRE_XM==4)
uint a, b=20;
#elif(XTALO_FRE_XM==12)
95 1 uint a, b=3*20;
96 1 #endif
97 1
98 1 for( a=i*b;a;a--);
99 1 }
100
101 #if SUPPORT_KEY_SCAN
//----------------------------------
uchar key_scan(void)
{
if(KEY_DIGITAL_0)
return IR_SEND_DIGITAL_0;
else if(KEY_DIGITAL_1)
return IR_SEND_DIGITAL_1;
else if(KEY_DIGITAL_2)
return IR_SEND_DIGITAL_2;
else if(KEY_DIGITAL_3)
return IR_SEND_DIGITAL_3;
else if(KEY_DIGITAL_4)
return IR_SEND_DIGITAL_4;
else if(KEY_DIGITAL_5)
return IR_SEND_DIGITAL_5;
else if(KEY_DIGITAL_6)
C51 COMPILER V7.06 IR_SEND 04/28/2008 19:08:16 PAGE 3
return IR_SEND_DIGITAL_6;
/*
else if(KEY_DIGITAL_7)
return IR_SEND_DIGITAL_7;
else if(KEY_DIGITAL_8)
return IR_SEND_DIGITAL_8;
else if(KEY_DIGITAL_9)
return IR_SEND_DIGITAL_9;
else if(KEY_VIDEO)
return IR_SEND_VIDEO;
else if(KEY_AUDIO)
return IR_SEND_AUDIO;
else if(KEY_CH_UP)
return IR_SEND_CH_UP;
else if(KEY_CH_DOWN)
return IR_SEND_CH_DOWN;
else if(KEY_VOL_UP)
return IR_SEND_VOL_UP;
else if(KEY_VOL_DOWN)
return IR_SEND_VOL_DOWN;
else if(KEY_BACK)
return IR_SEND_BACK;
else if(KEY_POWER)
return IR_SEND_POWER;
else if(KEY_MUTE)
return IR_SEND_MUTE;
*/
else return KEY_NONE;
}
#endif
149 /*
150 void mcu_init(void)
151 {
152 P0=0xff;
153 P1=0xff;
154 P2=0xff;
155 P3=0xff;
156 }
157 */
158 void ir_send_code_0_bit()
159 {
160 1 IR_PIN_L;
161 1 delay_560us(1);
162 1 IR_PIN_H;
163 1 delay_560us(1);
164 1 }
165
166 void ir_send_code_1_bit()
167 {
168 1 IR_PIN_L;
169 1 delay_560us(1);
170 1 IR_PIN_H;
171 1 delay_560us(3);
172 1 }
173
174 void ir_send_code_one_bit(bit state)
175 {
176 1 if(state)
177 1 ir_send_code_1_bit();
178 1 else
179 1 ir_send_code_0_bit();
C51 COMPILER V7.06 IR_SEND 04/28/2008 19:08:16 PAGE 4
180 1 }
181
182 void ir_send_start_code(void)
183 {
184 1 IR_PIN_L;
185 1 delay_xms(9);
186 1 IR_PIN_H;
187 1 delay_xms(4);
188 1 #if(XTALO_FRE_XM==12)
189 1 delay_560us(2);// 20080127 add
190 1 #endif
191 1 }
192
193 void ir_send_stop_code(void)
194 {
195 1 IR_PIN_L;
196 1 delay_560us(1);
197 1 IR_PIN_H;
198 1 //delay_560us(1);
199 1 }
200
201 void ir_send_sys_code(void)
202 {
203 1 uchar i;
204 1 bit ir_code_bit;
205 1 for(i=0;i<16;i++)
206 1 {
207 2 ir_code_bit=IR_SEND_SYS_CODE&(0x0001<<i);
208 2 ir_send_code_one_bit(ir_code_bit);
209 2 }
210 1 //反码
211 1 }
212 void ir_send_command_code(uchar command_code)
213 {
214 1 uchar i;
215 1 bit ir_code_bit;
216 1 for(i=0;i<8;i++)
217 1 {
218 2 ir_code_bit=command_code&(0x01<<i);
219 2 ir_send_code_one_bit(ir_code_bit);
220 2 }
221 1 //反码
222 1 for(i=0;i<8;i++)
223 1 {
224 2 ir_code_bit=command_code&(0x01<<i);
225 2 ir_send_code_one_bit(!ir_code_bit);
226 2 }
227 1 }
228
229 bit ir_send(uchar ir_code)
230 {
231 1 ir_send_start_code();
232 1 ir_send_sys_code();
233 1 ir_send_command_code(ir_code);
234 1 ir_send_stop_code();
235 1 return IR_SEND_END;
236 1 }
237
MODULE INFORMATION: STATIC OVERLAYABLE
CODE SIZE = 242 ----
C51 COMPILER V7.06 IR_SEND 04/28/2008 19:08:16 PAGE 5
CONSTANT SIZE = ---- ----
XDATA SIZE = ---- ----
PDATA SIZE = ---- ----
DATA SIZE = ---- ----
IDATA SIZE = ---- ----
BIT SIZE = ---- 3
END OF MODULE INFORMATION.
C51 COMPILATION COMPLETE. 0 WARNING(S), 0 ERROR(S)
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