From: curt Date: Thu, 19 Nov 1998 13:53:25 +0000 (+0000) Subject: Added a "Garman" mode. X-Git-Url: https://git.mxchange.org/?a=commitdiff_plain;h=1466ce004070ac337b3a92c33dd5d6c9bebf3ae9;p=flightgear.git Added a "Garman" mode. --- diff --git a/Main/fg_serial.cxx b/Main/fg_serial.cxx index 54dfe2c33..a251a08af 100644 --- a/Main/fg_serial.cxx +++ b/Main/fg_serial.cxx @@ -123,6 +123,15 @@ static bool config_port(fgSERIAL& s, fgSerialPortKind& kind, FG_LOG( FG_SERIAL, FG_ALERT, "Unknown direction" ); return false; } + } else if ( format == "garman" ) { + if ( direction == "out" ) { + kind = FG_SERIAL_GARMAN_OUT; + } else if ( direction == "in" ) { + kind = FG_SERIAL_GARMAN_IN; + } else { + FG_LOG( FG_SERIAL, FG_ALERT, "Unknown direction" ); + return false; + } } else if ( format == "fgfs" ) { if ( direction == "out" ) { kind = FG_SERIAL_FGFS_OUT; @@ -162,7 +171,7 @@ void fgSerialInit() { static void send_nmea_out( fgSERIAL& s ) { - char nmea[256]; + char rmc[256], gga[256], rmz[256]; char dir; int deg; double min; @@ -206,21 +215,125 @@ static void send_nmea_out( fgSERIAL& s ) { char heading[10]; sprintf( heading, "%05.1f", FG_Psi * RAD_TO_DEG ); + char altitude_m[10]; + sprintf( altitude_m, "%02d", (int)(FG_Altitude * FEET_TO_METER) ); + + char altitude_ft[10]; + sprintf( altitude_ft, "%02d", (int)FG_Altitude ); + char date[10]; sprintf( date, "%02d%02d%02d", t->gmt->tm_mday, t->gmt->tm_mon+1, t->gmt->tm_year ); // $GPRMC,HHMMSS,A,DDMM.MMM,N,DDDMM.MMM,W,XXX.X,XXX.X,DDMMYY,XXX.X,E*XX - sprintf( nmea, "$GPRMC,%s,A,%s,%s,%s,%s,%s,000.0,E*00\n", + sprintf( rmc, "$GPRMC,%s,A,%s,%s,%s,%s,%s,000.0,E*00\r\n", utc, lat, lon, speed, heading, date ); - FG_LOG( FG_SERIAL, FG_DEBUG, nmea << endl ); - s.write_port(nmea); + sprintf( gga, "$GPGGA,%s,%s,%s,1,04,0.0,%s,M,00.0,M,,*00\r\n", + utc, lat, lon, altitude_m ); + + // sprintf( rmz, "$PGRMZ,%s,f,3*00\r\n", altitude_ft ); + + FG_LOG( FG_SERIAL, FG_DEBUG, rmc ); + FG_LOG( FG_SERIAL, FG_DEBUG, gga ); + // FG_LOG( FG_SERIAL, FG_DEBUG, rmz ); + + + // one full frame every 2 seconds according to the standard + if ( cur_time_params.cur_time % 2 == 0 ) { + // rmc on even seconds + s.write_port(rmc); + } else { + // gga on odd seconds + s.write_port(gga); + } + // s.write_port(rmz); } static void read_nmea_in( fgSERIAL& s ) { } +static void send_garman_out( fgSERIAL& s ) { + char rmc[256], rmz[256]; + char dir; + int deg; + double min; + fgFLIGHT *f; + fgTIME *t; + + f = current_aircraft.flight; + t = &cur_time_params; + + char utc[10]; + sprintf( utc, "%02d%02d%02d", + t->gmt->tm_hour, t->gmt->tm_min, t->gmt->tm_sec ); + + char lat[20]; + double latd = FG_Latitude * RAD_TO_DEG; + if ( latd < 0.0 ) { + latd *= -1.0; + dir = 'S'; + } else { + dir = 'N'; + } + deg = (int)(latd); + min = (latd - (double)deg) * 60.0; + sprintf( lat, "%02d%06.3f,%c", abs(deg), min, dir); + + char lon[20]; + double lond = FG_Longitude * RAD_TO_DEG; + if ( lond < 0.0 ) { + lond *= -1.0; + dir = 'W'; + } else { + dir = 'E'; + } + deg = (int)(lond); + min = (lond - (double)deg) * 60.0; + sprintf( lon, "%02d%06.3f,%c", abs(deg), min, dir); + + char speed[10]; + sprintf( speed, "%05.1f", FG_V_equiv_kts ); + + char heading[10]; + sprintf( heading, "%05.1f", FG_Psi * RAD_TO_DEG ); + + char altitude_m[10]; + sprintf( altitude_m, "%02d", (int)(FG_Altitude * FEET_TO_METER) ); + + char altitude_ft[10]; + sprintf( altitude_ft, "%02d", (int)FG_Altitude ); + + char date[10]; + sprintf( date, "%02d%02d%02d", + t->gmt->tm_mday, t->gmt->tm_mon+1, t->gmt->tm_year ); + + // $GPRMC,HHMMSS,A,DDMM.MMM,N,DDDMM.MMM,W,XXX.X,XXX.X,DDMMYY,XXX.X,E*XX + sprintf( rmc, "$GPRMC,%s,A,%s,%s,%s,%s,%s,000.0,E*00\r\n", + utc, lat, lon, speed, heading, date ); + + // sprintf( gga, "$GPGGA,%s,%s,%s,1,04,0.0,%s,M,00.0,M,,*00\r\n", + // utc, lat, lon, altitude_m ); + + sprintf( rmz, "$PGRMZ,%s,f,3*00\r\n", altitude_ft ); + + FG_LOG( FG_SERIAL, FG_DEBUG, rmc ); + FG_LOG( FG_SERIAL, FG_DEBUG, rmz ); + + + // one full frame every 2 seconds according to the standard + if ( cur_time_params.cur_time % 2 == 0 ) { + // rmc on even seconds + s.write_port(rmc); + } else { + // gga on odd seconds + s.write_port(rmz); + } +} + +static void read_garman_in( fgSERIAL& s ) { +} + static void send_fgfs_out( fgSERIAL& s ) { } @@ -230,10 +343,21 @@ static void read_fgfs_in( fgSERIAL& s ) { // one more level of indirection ... static void process_port( fgSERIAL& s, const fgSerialPortKind kind ) { + static long last_time; if ( kind == FG_SERIAL_NMEA_OUT ) { - send_nmea_out(s); + if (cur_time_params.cur_time > last_time ) { + send_nmea_out(s); + } + last_time = cur_time_params.cur_time; } else if ( kind == FG_SERIAL_NMEA_IN ) { read_nmea_in(s); + } else if ( kind == FG_SERIAL_GARMAN_OUT ) { + if (cur_time_params.cur_time > last_time ) { + send_garman_out(s); + } + last_time = cur_time_params.cur_time; + } else if ( kind == FG_SERIAL_GARMAN_IN ) { + read_garman_in(s); } else if ( kind == FG_SERIAL_FGFS_OUT ) { send_fgfs_out(s); } else if ( kind == FG_SERIAL_FGFS_IN ) { @@ -263,6 +387,9 @@ void fgSerialProcess() { // $Log$ +// Revision 1.2 1998/11/19 13:53:25 curt +// Added a "Garman" mode. +// // Revision 1.1 1998/11/16 13:57:42 curt // Initial revision. // diff --git a/Main/fg_serial.hxx b/Main/fg_serial.hxx index 94281e8e2..127dcae61 100644 --- a/Main/fg_serial.hxx +++ b/Main/fg_serial.hxx @@ -39,8 +39,10 @@ enum fgSerialPortKind { FG_SERIAL_DISABLED = 0, FG_SERIAL_NMEA_OUT = 1, FG_SERIAL_NMEA_IN = 2, - FG_SERIAL_FGFS_OUT = 3, - FG_SERIAL_FGFS_IN = 4 + FG_SERIAL_GARMAN_OUT = 3, + FG_SERIAL_GARMAN_IN = 4, + FG_SERIAL_FGFS_OUT = 5, + FG_SERIAL_FGFS_IN = 6 }; @@ -67,6 +69,9 @@ void fgSerialProcess(); // $Log$ +// Revision 1.2 1998/11/19 13:53:27 curt +// Added a "Garman" mode. +// // Revision 1.1 1998/11/16 13:57:43 curt // Initial revision. //