?? ch_frame.lst
字號(hào):
C51 COMPILER V7.50 CH_FRAME 11/30/2006 11:40:04 PAGE 1
C51 COMPILER V7.50, COMPILATION OF MODULE CH_FRAME
OBJECT MODULE PLACED IN ch_frame.OBJ
COMPILER INVOKED BY: g:\Keil\C51\BIN\C51.EXE ch_frame.c BROWSE DEBUG OBJECTEXTEND
line level source
1 /**************************************
2 File : CH_FRAME.C
3 Project : BDTRV20_MCU_V07
4 Description : 分解DSP輸出的各幀，提取并存儲(chǔ)參數(shù)
5 Created : 2006.11.7
6 Last updata :
7 Author : Sunzehui sunzehui@zzvcom.com
8 Compile Tool : Keil uVision2
9 Target Device : SST89V564RD
10 Circuit Board : BD7700
11 ************************************
12 Modification History
13 ************************************
14 Version : v2.0
15 Date : MM/DD/YYYY
16 Modifier :
17 Description :
18
19 **********************************
20 -- Copyright (c)
21 *************************************/
22
23 #include <string.h>
24
25 #include "ext_temp.h"
26 //extern unsigned long asc_to_long(unsigned char *p,bit m);
27 extern unsigned char asc_to_char(unsigned char a1,unsigned char a2,bit m);
28 extern unsigned char fromasc(unsigned m);
29 extern unsigned long tosec(unsigned char hour, unsigned char min, unsigned char sec, unsigned char date, u
-nsigned char mon, unsigned int year);
30 extern unsigned char *sectodata(unsigned long tod);
31 extern send_lp_dsp(void);
32 extern SendDSP(void);
33 extern send_lla(void);
34 extern send_ofs(void);
35 extern wdt(void);
36
37 extern ch_frame(void)
38 {
39 1 unsigned char temp,i;//,tmp,b[8];
40 1 unsigned char *point;
41 1 unsigned long xdata p,tmp,lp_sec_tmp;
42 1
43 1 wdt();
44 1 if (sdata[3]=='Z'&&sdata[4]=='D'&&sdata[5]=='A') //$BDZDA幀
45 1 {
46 2 //temp=(sdata[7]-0x30)*10;
47 2 //hour=temp+(sdata[8]-0x30);//提取小時(shí)
48 2 hour=asc_to_char(sdata[7],sdata[8],0);
49 2
50 2 //temp=(sdata[9]-0x30)*10;
51 2 //min=temp+(sdata[10]-0x30);//提取分鐘
52 2 min=asc_to_char(sdata[9],sdata[10],0);
53 2
54 2 //temp=(sdata[11]-0x30)*10;
C51 COMPILER V7.50 CH_FRAME 11/30/2006 11:40:04 PAGE 2
55 2 //sec=temp+(sdata[12]-0x30);//提取秒
56 2 sec=asc_to_char(sdata[11],sdata[12],0);
57 2
58 2 //temp=(sdata[17]-0x30)*10;
59 2 //day=temp+(sdata[18]-0x30);//提取天
60 2 day=asc_to_char(sdata[17],sdata[18],0);
61 2
62 2
63 2 //temp=(sdata[20]-0x30)*10;
64 2 //month=temp+(sdata[21]-0x30);//提取月
65 2 month=asc_to_char(sdata[20],sdata[21],0);
66 2
67 2 year=(sdata[23]-0x30)*1000+(sdata[24]-0x30)*100+(sdata[25]-0x30)*10+(sdata[26]-0x30);//提取年
68 2 //year=year+100;//only for test 2000
69 2
70 2 /******************得到秒值************************************************/
71 2 if (channel_sta_2&0x40==0x40)
72 2 {
73 3 p = tosec(hour,min,sec,day,month,year); //BD時(shí)間秒值
74 3
75 3 /*if (UTC_mode_fg==1)//UTC模式
76 3 {
77 3 if ((cur_lp_sec==0&&fur_lp_sec==0)||(cur_lp_sec!=0&&(fur_lp_sec-cur_lp_sec==1)))//有正閏秒或無(wú)閏秒
78 3 cur_time_sec=p+UTC_sec;
79 3 else
80 3 cur_time_sec=p-UTC_sec;
81 3 }
82 3 else //GPS模式
83 3 {*/
84 3 tmp=gmth*3600+gmtm*60;
85 3 if ((cur_lp_sec==0&&fur_lp_sec==0)||(cur_lp_sec!=0&&(fur_lp_sec-cur_lp_sec==1))) //有正閏秒或無(wú)閏秒
86 3 {
87 4 if (gmts==0x00)//GMT符號(hào)為正
88 4 cur_time_sec=p+tmp;// //cur_time = (gps0+gmt=bds-13-pp-8*3600)+gmt = bds-pp+gmt-28813
89 4 else if(gmts==0xff)//GMT符號(hào)為負(fù)
90 4 cur_time_sec=p-tmp;//
91 4 cur_time_sec-= 28800;
92 4 // cur_time_sec = cur_time_sec + UTC_sec;
93 4 if (UTC_mode_fg==0) //GPS模式
94 4 {
95 5 cur_time_sec = cur_time_sec + UTC_sec - 13;
96 5 }
97 4 }
98 3 else if(cur_lp_sec !=0&&(fur_lp_sec-cur_lp_sec==-1))//有負(fù)閏秒
99 3 {
100 4 if (gmts==0x00)
101 4 cur_time_sec=p+tmp;//-UTC_sec; //cur_time = (gps0+gmt=bds-13-pp-8*3600)+gmt = bds-pp+gmt-28813
102 4 else if(gmts==0xff)
103 4 cur_time_sec=p-tmp;//-UTC_sec;
104 4 cur_time_sec -= 28800;
105 4 //cur_time_sec = cur_time_sec - UTC_sec;
106 4 if (UTC_mode_fg==0) //GPS模式
107 4 {
108 5 cur_time_sec=cur_time_sec - UTC_sec - 13;
109 5 }
110 4 }
111 3
112 3 /******************************************************************/
113 3 //重新得到年月日時(shí)分秒
114 3 /*******************************************************************/
115 3 point=sectodata(cur_time_sec);
116 3 hour =*point++; //時(shí)
C51 COMPILER V7.50 CH_FRAME 11/30/2006 11:40:04 PAGE 3
117 3 min =*point++; //分
118 3 sec =*point++; //秒
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