?? contact.lst
字號:
C51 COMPILER V7.06 CONTACT 10/13/2006 09:21:08 PAGE 1
C51 COMPILER V7.06, COMPILATION OF MODULE CONTACT
OBJECT MODULE PLACED IN contact.OBJ
COMPILER INVOKED BY: C:\Keil\C51\BIN\C51.EXE contact.c LARGE BROWSE DEBUG OBJECTEXTEND
stmt level source
1 #include <./Atmel/at89x52.h>
2 #include <stdio.h>
3 #include <absacc.h>
4 #include <string.h>
5 #include "source.h"
6 /**為下載協議，與第14章的下載協議是一樣的**/
7 #define FSUCCESS 0
8 #define FERROR 1
9 #define FDOVER 2
10 void print_sbuf(unsigned char c){
11 1 dst_buf[dst_head]=c;
12 1 dst_head ++;
13 1 dst_head %=DST_LEN;
14 1 }
15 #define REPLAY_LEN 9
16 void reply_dwn(unsigned char flag,unsigned char *rbuf){//rbuf is the buf that downlaod data.
17 1 unsigned char reply[REPLAY_LEN];
18 1 struct yushi rply_crc;
19 1 unsigned char i;
20 1 reply[0]=FDWN_FHD;
21 1 reply[1]=flag;
22 1 reply[2]=rbuf[2];
23 1 reply[3]=rbuf[3];
24 1 reply[4]=rbuf[4];
25 1 reply[5]=0x00;
26 1 reply[6]=0x00;
27 1 init_crccheck(&rply_crc);
28 1 for(i=0;i<7;i++){
29 2 crccheck(reply[i],&rply_crc);
30 2 }
31 1 reply[7]=rply_crc.h;
32 1 reply[8]=rply_crc.l;
33 1 for(i=0;i<REPLAY_LEN;i++){
34 2 print_sbuf(*(reply+i));
35 2 }
36 1 TI=1;
37 1 }
38 void flash_download(void){
39 1 union SFADD dwn_adres;
40 1 unsigned char fdata[FDWN_LEN];
41 1 unsigned char fsm_fdl;
42 1 unsigned char cnt;
43 1 unsigned char erase_sec=0;
44 1 unsigned int sector_section=0;
45 1 struct yushi fcrc;
46 1 fsm_fdl=0;
47 1 while(1){
48 2 if(dsr_tail!=dsr_head){
49 3 if(fsm_fdl==0){//search frame head
50 4 if(dsr_buf[dsr_tail]==FDWN_FHD){
51 5 fsm_fdl=1;//head had found.
52 5 fdata[0]=FDWN_FHD;
53 5 cnt=1;
54 5 }
55 4 }
C51 COMPILER V7.06 CONTACT 10/13/2006 09:21:08 PAGE 2
56 3 else if(fsm_fdl==1){//receive type byte
57 4 if(cnt<FDWN_LEN-1){
58 5 fdata[cnt]=dsr_buf[dsr_tail];
59 5 cnt++;
60 5 }
61 4 else{//finish receive data.
62 5 fdata[cnt]=dsr_buf[dsr_tail];
63 5 if(1){//mult_crccheck(fdata,FDWN_LEN,struct &fcrc)==0){//crc ok
64 6 dwn_adres.c[1]=fdata[2];
65 6 dwn_adres.c[2]=fdata[3];
66 6 dwn_adres.c[3]=fdata[4];
67 6 sector_section=dwn_adres.c[1];//convert to sector.
68 6 sector_section <<=8;
69 6 sector_section &=0xff00;
70 6 sector_section |=dwn_adres.c[2];
71 6 sector_section >>=5;
72 6 if(((dwn_adres.c[2]&0x1f)==0x00)&&(dwn_adres.c[3]==0x00)){//A0~A11 IS 0 it indicaate across the sect
-or
73 7 if(sector_section<8){//is sector SA0~SA7
74 8 erase_sec=(unsigned char)sector_section;
75 8 delay_10us(15);
76 8 if(erase_sector(erase_sec)){//erase sector ok.
77 9 }
78 8 else{
79 9 reply_dwn(erase_sec,fdata);
80 9 }
81 8 }
82 7 else if((sector_section&0x7)==0){//sector is biger than 8.
83 8 sector_section >>=3;
84 8 erase_sec=(unsigned char)(sector_section&0xff);
85 8 erase_sec +=7;
86 8 delay_10us(15);
87 8 if(erase_sector(erase_sec)){//erase sector ok.
88 9 }
89 8 else{
90 9 reply_dwn(erase_sec,fdata);
91 9 }
92 8 }
93 7 }
94 6 for(cnt=0;cnt<128;cnt++){
95 7 write_flash(&dwn_adres,fdata[5+cnt]);
96 7 dwn_adres.l ++;
97 7 }
98 6 if(fdata[1]==0x00){//download data
99 7 reply_dwn(FSUCCESS,fdata);
100 7 }
101 6 else if(fdata[1]==0x01){//download finsish.
102 7 reply_dwn(FDOVER,fdata);//for mutil file download ,power down again to into normal mode.
103 7 }
104 6 }
105 5 else{//CRC error
106 6 reply_dwn(FERROR,fdata);
107 6 }
108 5 fsm_fdl=0;//search frame head again.
109 5 }
110 4 }
111 3 dsr_tail++;
112 3 dsr_tail %=DSR_LEN;
113 3 }
114 2 else{
115 3 //wait receive serial data.
116 3 }
C51 COMPILER V7.06 CONTACT 10/13/2006 09:21:08 PAGE 3
117 2 }
118 1 }
*** WARNING C280 IN LINE 45 OF CONTACT.C: 'fcrc': unreferenced local variable
119 /**為信息傳輸協議***/
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