From 7bf1f82f615b05bb37b8c4c45891bbde96745a4b Mon Sep 17 00:00:00 2001 From: Lorenz Meier Date: Fri, 23 May 2014 15:03:13 +0200 Subject: [PATCH] sdlog2: Logging GPS snr and jamming fields --- src/modules/sdlog2/sdlog2.c | 23 ++++++++++++++++++----- src/modules/sdlog2/sdlog2_messages.h | 6 +++++- 2 files changed, 23 insertions(+), 6 deletions(-) diff --git a/src/modules/sdlog2/sdlog2.c b/src/modules/sdlog2/sdlog2.c index b6b039d261..197b652310 100644 --- a/src/modules/sdlog2/sdlog2.c +++ b/src/modules/sdlog2/sdlog2.c @@ -113,8 +113,8 @@ static bool main_thread_should_exit = false; /**< Deamon exit flag */ static bool thread_running = false; /**< Deamon status flag */ static int deamon_task; /**< Handle of deamon task / thread */ static bool logwriter_should_exit = false; /**< Logwriter thread exit flag */ -static const int MAX_NO_LOGFOLDER = 999; /**< Maximum number of log dirs */ -static const int MAX_NO_LOGFILE = 999; /**< Maximum number of log files */ +static const unsigned MAX_NO_LOGFOLDER = 999; /**< Maximum number of log dirs */ +static const unsigned MAX_NO_LOGFILE = 999; /**< Maximum number of log files */ static const int LOG_BUFFER_SIZE_DEFAULT = 8192; static const int MAX_WRITE_CHUNK = 512; static const int MIN_BYTES_TO_WRITE = 512; @@ -641,7 +641,7 @@ int write_formats(int fd) int written = 0; /* fill message format packet for each format and write it */ - for (int i = 0; i < log_formats_num; i++) { + for (unsigned i = 0; i < log_formats_num; i++) { log_msg_format.body = log_formats[i]; written += write(fd, &log_msg_format, sizeof(log_msg_format)); } @@ -1046,6 +1046,15 @@ int sdlog2_thread_main(int argc, char *argv[]) /* --- GPS POSITION - UNIT #1 --- */ if (gps_pos_updated) { + + float snr_mean = 0.0f; + + for (unsigned i = 0; i < buf_gps_pos.satellites_visible; i++) { + snr_mean += buf_gps_pos.satellite_snr[i]; + } + + snr_mean /= buf_gps_pos.satellites_visible; + log_msg.msg_type = LOG_GPS_MSG; log_msg.body.log_GPS.gps_time = buf_gps_pos.time_gps_usec; log_msg.body.log_GPS.fix_type = buf_gps_pos.fix_type; @@ -1058,6 +1067,10 @@ int sdlog2_thread_main(int argc, char *argv[]) log_msg.body.log_GPS.vel_e = buf_gps_pos.vel_e_m_s; log_msg.body.log_GPS.vel_d = buf_gps_pos.vel_d_m_s; log_msg.body.log_GPS.cog = buf_gps_pos.cog_rad; + log_msg.body.log_GPS.sats = buf_gps_pos.satellites_visible; + log_msg.body.log_GPS.snr_mean = snr_mean; + log_msg.body.log_GPS.noise_per_ms = buf_gps_pos.noise_per_ms; + log_msg.body.log_GPS.jamming_indicator = buf_gps_pos.jamming_indicator; LOGBUFFER_WRITE_AND_COUNT(GPS); if (_extended_logging) { @@ -1073,7 +1086,7 @@ int sdlog2_thread_main(int argc, char *argv[]) int satindex = buf_gps_pos.satellite_prn[i] - 1; /* handles index exceeding and wraps to to arithmetic errors */ - if ((satindex >= 0) && (satindex < log_max_snr)) { + if ((satindex >= 0) && (satindex < (int)log_max_snr)) { /* map satellites by their ID so that logs from two receivers can be compared */ log_msg.body.log_GS0A.satellite_snr[satindex] = buf_gps_pos.satellite_snr[i]; } @@ -1089,7 +1102,7 @@ int sdlog2_thread_main(int argc, char *argv[]) int satindex = buf_gps_pos.satellite_prn[i] - 1 - log_max_snr; /* handles index exceeding and wraps to to arithmetic errors */ - if ((satindex >= 0) && (satindex < log_max_snr)) { + if ((satindex >= 0) && (satindex < (int)log_max_snr)) { /* map satellites by their ID so that logs from two receivers can be compared */ log_msg.body.log_GS0B.satellite_snr[satindex] = buf_gps_pos.satellite_snr[i]; } diff --git a/src/modules/sdlog2/sdlog2_messages.h b/src/modules/sdlog2/sdlog2_messages.h index 3ccffd5b24..f4d88f0795 100644 --- a/src/modules/sdlog2/sdlog2_messages.h +++ b/src/modules/sdlog2/sdlog2_messages.h @@ -139,6 +139,10 @@ struct log_GPS_s { float vel_e; float vel_d; float cog; + uint8_t sats; + uint16_t snr_mean; + uint16_t noise_per_ms; + uint16_t jamming_indicator; }; /* --- ATTC - ATTITUDE CONTROLS (ACTUATOR_0 CONTROLS)--- */ @@ -375,7 +379,7 @@ static const struct log_format_s log_formats[] = { LOG_FORMAT(SENS, "fffff", "BaroPres,BaroAlt,BaroTemp,DiffPres,DiffPresFilt"), LOG_FORMAT(LPOS, "ffffffffLLfBBBff", "X,Y,Z,Dist,DistR,VX,VY,VZ,RLat,RLon,RAlt,PFlg,LFlg,GFlg,EPH,EPV"), LOG_FORMAT(LPSP, "ffff", "X,Y,Z,Yaw"), - LOG_FORMAT(GPS, "QBffLLfffff", "GPSTime,FixType,EPH,EPV,Lat,Lon,Alt,VelN,VelE,VelD,Cog"), + LOG_FORMAT(GPS, "QBffLLfffffBHHH", "GPSTime,Fix,EPH,EPV,Lat,Lon,Alt,VelN,VelE,VelD,Cog,nSat,SNR,N,J"), LOG_FORMAT(ATTC, "ffff", "Roll,Pitch,Yaw,Thrust"), LOG_FORMAT(STAT, "BBBfBB", "MainState,ArmState,FailsafeState,BatRem,BatWarn,Landed"), LOG_FORMAT(RC, "ffffffffBB", "Ch0,Ch1,Ch2,Ch3,Ch4,Ch5,Ch6,Ch7,Count,SignalLost"),