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author | Lorenz Meier <lm@inf.ethz.ch> | 2013-11-10 10:40:45 -0800 |
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committer | Lorenz Meier <lm@inf.ethz.ch> | 2013-11-10 10:40:45 -0800 |
commit | a1398c991ede8269d27f5798ea137a43846e7c9f (patch) | |
tree | e9c7dea8623f2975e93d5cc0a83b1cd3aadf311a /src/modules/commander | |
parent | 3231a636b8dc7b3f367926f0faaa8aed99aeda19 (diff) | |
parent | ae9fae5aae2aacbdb97aab9a858dccbe39e4d40a (diff) | |
download | px4-firmware-a1398c991ede8269d27f5798ea137a43846e7c9f.tar.gz px4-firmware-a1398c991ede8269d27f5798ea137a43846e7c9f.tar.bz2 px4-firmware-a1398c991ede8269d27f5798ea137a43846e7c9f.zip |
Merge pull request #525 from thomasgubler/airspeed_meas_calibration
fix MEAS airspeed and airspeed calibration
Diffstat (limited to 'src/modules/commander')
-rw-r--r-- | src/modules/commander/airspeed_calibration.cpp | 44 |
1 files changed, 38 insertions, 6 deletions
diff --git a/src/modules/commander/airspeed_calibration.cpp b/src/modules/commander/airspeed_calibration.cpp index 248eb4a66..1809f9688 100644 --- a/src/modules/commander/airspeed_calibration.cpp +++ b/src/modules/commander/airspeed_calibration.cpp @@ -37,12 +37,15 @@ */ #include "airspeed_calibration.h" +#include "calibration_messages.h" #include "commander_helper.h" #include <stdio.h> +#include <fcntl.h> #include <poll.h> #include <math.h> #include <drivers/drv_hrt.h> +#include <drivers/drv_airspeed.h> #include <uORB/topics/sensor_combined.h> #include <uORB/topics/differential_pressure.h> #include <mavlink/mavlink_log.h> @@ -55,10 +58,13 @@ #endif static const int ERROR = -1; +static const char *sensor_name = "dpress"; + int do_airspeed_calibration(int mavlink_fd) { /* give directions */ - mavlink_log_info(mavlink_fd, "airspeed calibration starting, keep it still"); + mavlink_log_info(mavlink_fd, CAL_STARTED_MSG, sensor_name); + mavlink_log_info(mavlink_fd, "don't move system"); const int calibration_count = 2500; @@ -68,6 +74,28 @@ int do_airspeed_calibration(int mavlink_fd) int calibration_counter = 0; float diff_pres_offset = 0.0f; + /* Reset sensor parameters */ + struct airspeed_scale airscale = { + 0.0f, + 1.0f, + }; + + bool paramreset_successful = false; + int fd = open(AIRSPEED_DEVICE_PATH, 0); + if (fd > 0) { + if (OK == ioctl(fd, AIRSPEEDIOCSSCALE, (long unsigned int)&airscale)) { + paramreset_successful = true; + } + close(fd); + } + + if (!paramreset_successful) { + warn("WARNING: failed to set scale / offsets for airspeed sensor"); + mavlink_log_critical(mavlink_fd, "could not reset dpress sensor"); + mavlink_log_info(mavlink_fd, CAL_FAILED_MSG, sensor_name); + return ERROR; + } + while (calibration_counter < calibration_count) { /* wait blocking for new data */ @@ -82,9 +110,12 @@ int do_airspeed_calibration(int mavlink_fd) diff_pres_offset += diff_pres.differential_pressure_pa; calibration_counter++; + if (calibration_counter % (calibration_count / 20) == 0) + mavlink_log_info(mavlink_fd, CAL_PROGRESS_MSG, sensor_name, (calibration_counter * 100) / calibration_count); + } else if (poll_ret == 0) { /* any poll failure for 1s is a reason to abort */ - mavlink_log_info(mavlink_fd, "airspeed calibration aborted"); + mavlink_log_critical(mavlink_fd, CAL_FAILED_MSG, sensor_name); close(diff_pres_sub); return ERROR; } @@ -95,7 +126,7 @@ int do_airspeed_calibration(int mavlink_fd) if (isfinite(diff_pres_offset)) { if (param_set(param_find("SENS_DPRES_OFF"), &(diff_pres_offset))) { - mavlink_log_critical(mavlink_fd, "Setting offs failed!"); + mavlink_log_critical(mavlink_fd, CAL_FAILED_SET_PARAMS_MSG); close(diff_pres_sub); return ERROR; } @@ -105,17 +136,18 @@ int do_airspeed_calibration(int mavlink_fd) if (save_ret != 0) { warn("WARNING: auto-save of params to storage failed"); - mavlink_log_info(mavlink_fd, "FAILED storing calibration"); + mavlink_log_critical(mavlink_fd, CAL_FAILED_SAVE_PARAMS_MSG); close(diff_pres_sub); return ERROR; } - mavlink_log_info(mavlink_fd, "airspeed calibration done"); + mavlink_log_info(mavlink_fd, CAL_DONE_MSG, sensor_name); + tune_neutral(); close(diff_pres_sub); return OK; } else { - mavlink_log_info(mavlink_fd, "airspeed calibration FAILED (NaN)"); + mavlink_log_info(mavlink_fd, CAL_FAILED_MSG, sensor_name); close(diff_pres_sub); return ERROR; } |