/************************************************************************
* 函数名: GPSDataParser
* 描 述: 解析NEMA-0183协议数据
* 入 参:
* 出 参:
* 返 回:
* 备 注: 一秒钟接收一次
单BD2（热启动）$CCSIR,1,0*49<CR><LF>
$BDRMC,075654.00,A,3109.731130,N,12123.330827,E,0.0,,250413,,,A*67
$BDGGA,075654.00,3109.731130,N,12123.330827,E,1,07,4.3,86.7,M,8.0,M,,,2.5*7E
$BDGLL,3109.731130,N,12123.330827,E,075654.00,A,0*0E
$BDGSA,A,3,06,13,08,01,09,11,03,,,,,,5.0,4.3,2.5,3.6*26
$BDGSV,2,1,7,06,02,191,25,13,10,202,33,08,58,185,26,01,49,145,32*55
$BDGSV,2,2,7,09,09,216,24,11,57,111,25,03,53,200,32*6E
单GPS（热启动）$CCSIR,2,0*4A<CR><LF>
$GPRMC,075819.00,A,3109.717233,N,12123.341973,E,0.0,,250413,,,A*73
$GPGGA,075819.00,3109.717233,N,12123.341973,E,1,07,1.0,66.7,M,8.0,M,,,2.1*66
$GPGLL,3109.717233,N,12123.341973,E,075819.00,A,0*1A
$GPGSA,A,3,03,06,14,21,23,32,19,,,,,,2.3,1.0,2.1,0.9*31
$GPGSV,2,1,8,03,25,199,41,06,41,183,41,14,17,151,38,21,06,103,31*46
$GPGSV,2,2,8,23,25,316,33,32,21,243,35,19,02,198,41,30,66,344,26*49
BD2/GPS双模（热启动）$CCSIR,3,0*4B<CR><LF>
$GNRMC,075955.00,A,3109.716702,N,12123.342782,E,0.0,,250413,,,A*61
$GNGGA,075955.00,3109.716702,N,12123.342782,E,1,15,0.9,62.9,M,8.0,M,,,0.9*7F
$GNGLL,3109.716702,N,12123.342782,E,075955.00,A,0*08
$GPGSA,A,3,03,06,14,21,23,19,16,32,,,,,1.3,0.9,0.9,0.7*39
$BDGSA,A,3,06,13,08,01,09,11,03,,,,,,1.3,0.9,0.9,0.7*23
$GPGSV,3,1,9,03,25,199,39,06,42,183,41,14,17,151,39,21,06,102,33*48
$GPGSV,3,2,9,23,26,316,24,19,03,198,40,30,65,346,21,16,59,276,12*40
$GPGSV,3,3,9,32,21,242,14*73
$BDGSV,2,1,7,06,01,191,21,13,09,201,35,08,58,186,26,01,49,145,32*5C
$BDGSV,2,2,7,09,09,216,22,11,57,108,16,03,53,200,32*60
************************************************************************/
void CPosData::PosDataParser(PCSTR pcPosData, DWORD dwLen)
{
CLogTool::Instance()->WriteLogFile(pcPosData);
if(NULL == g_pPosInfo)
return;
PCSTR pcHead = NULL;
PCSTR pcSection = NULL;
char* pcSectionRMC = NULL;
char* pcSectionGGA = NULL;
char* pcSectionGSA = NULL;
char* pcSectionGSV = NULL;
pcHead = strstr(pcPosData, MODE_GP DATA_RMC);
if (pcHead == NULL)
{
return;
}
pcSectionRMC = MODE_GP DATA_RMC;
pcSectionGGA = MODE_GP DATA_GGA;
pcSectionGSA = MODE_GP DATA_GSA;
pcSectionGSV = MODE_GP DATA_GSV;
//解析RMC数据
pcSection = strstr(pcHead, pcSectionRMC);
if (pcSection == NULL)
return;
ParseRMC(pcSection);
PostMessage(HWND_BROADCAST, m_nMsgIDPosRefresh, 0, 0);
//解析GGA数据
pcSection = strstr(pcHead, pcSectionGGA);
if (pcSection == NULL)
return;
ParseGGA(pcSection);
//解析GSA数据
pcSection = strstr(pcHead, pcSectionGSA);
if (pcSection == NULL)
return;
ParseGSA(pcSection);
//解析GSV数据
pcSection = strstr(pcHead, pcSectionGSV);
if (pcSection == NULL)
return;
ParseGSV(pcSection, pcSectionGSV);
//转发GPS数据
SendGPS(pcPosData, dwLen);
}
void gps_run(void *par)
{
gps_byte_t tempBuff[16];
gps_byte_t ch;
int idx;
gps_ser = fdserial_open(_gps_rx_pin, _gps_tx_pin, 0, _gps_baud);
for(;;)
{
if(gps_stopping)
{
fdserial_close(gps_ser);
gps_stopping = 0;
}
ch = fdserial_rxChar(gps_ser);
//search for the start of an NMEA sentence
if(ch != '$')
continue;
//read in characters from the GPS
idx = 0;
do
{
ch = fdserial_rxChar(gps_ser);
inBuff[idx++] = ch;
}while(ch != 13);
inBuff[idx] = 0; //null terminate
//got the full sentence, do a little prep work to get ready for parsing.
//modifies inBuff!
PrepBuff();
if(strncmp(inBuff, "GPRMC", 5) == 0)
ParseRMC();
if(strncmp(inBuff, "GPGGA", 5) == 0)
ParseGGA();
}
}
