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blackbox.c
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blackbox.c
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/*
* This file is part of Cleanflight.
*
* Cleanflight is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* Cleanflight is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with Cleanflight. If not, see <http://www.gnu.org/licenses/>.
*/
#include <stdbool.h>
#include <stdint.h>
#include <string.h>
#include <math.h>
#include "platform.h"
#ifdef USE_BLACKBOX
#include "blackbox.h"
#include "blackbox_encoding.h"
#include "blackbox_io.h"
#include "build/debug.h"
#include "build/version.h"
#include "common/axis.h"
#include "common/encoding.h"
#include "common/maths.h"
#include "common/time.h"
#include "common/utils.h"
#include "config/feature.h"
#include "config/parameter_group.h"
#include "config/parameter_group_ids.h"
#include "drivers/accgyro/accgyro.h"
#include "drivers/compass/compass.h"
#include "drivers/sensor.h"
#include "drivers/time.h"
#include "drivers/pwm_output.h"
#include "fc/config.h"
#include "fc/controlrate_profile.h"
#include "fc/fc_core.h"
#include "fc/rc_controls.h"
#include "fc/rc_modes.h"
#include "fc/runtime_config.h"
#include "fc/settings.h"
#include "fc/rc_smoothing.h"
#include "flight/failsafe.h"
#include "flight/imu.h"
#include "flight/mixer.h"
#include "flight/pid.h"
#include "flight/servos.h"
#include "flight/rpm_filter.h"
#include "io/beeper.h"
#include "io/gps.h"
#include "navigation/navigation.h"
#include "rx/rx.h"
#include "rx/msp_override.h"
#include "sensors/diagnostics.h"
#include "sensors/acceleration.h"
#include "sensors/barometer.h"
#include "sensors/battery.h"
#include "sensors/compass.h"
#include "sensors/gyro.h"
#include "sensors/pitotmeter.h"
#include "sensors/rangefinder.h"
#include "sensors/sensors.h"
#include "sensors/esc_sensor.h"
#include "flight/wind_estimator.h"
#include "sensors/temperature.h"
#if defined(ENABLE_BLACKBOX_LOGGING_ON_SPIFLASH_BY_DEFAULT)
#define DEFAULT_BLACKBOX_DEVICE BLACKBOX_DEVICE_FLASH
#elif defined(ENABLE_BLACKBOX_LOGGING_ON_SDCARD_BY_DEFAULT)
#define DEFAULT_BLACKBOX_DEVICE BLACKBOX_DEVICE_SDCARD
#else
#define DEFAULT_BLACKBOX_DEVICE BLACKBOX_DEVICE_SERIAL
#endif
#ifdef SDCARD_DETECT_INVERTED
#define BLACKBOX_INVERTED_CARD_DETECTION 1
#else
#define BLACKBOX_INVERTED_CARD_DETECTION 0
#endif
PG_REGISTER_WITH_RESET_TEMPLATE(blackboxConfig_t, blackboxConfig, PG_BLACKBOX_CONFIG, 2);
PG_RESET_TEMPLATE(blackboxConfig_t, blackboxConfig,
.device = DEFAULT_BLACKBOX_DEVICE,
.rate_num = SETTING_BLACKBOX_RATE_NUM_DEFAULT,
.rate_denom = SETTING_BLACKBOX_RATE_DENOM_DEFAULT,
.invertedCardDetection = BLACKBOX_INVERTED_CARD_DETECTION,
.includeFlags = BLACKBOX_FEATURE_NAV_PID | BLACKBOX_FEATURE_NAV_POS |
BLACKBOX_FEATURE_MAG | BLACKBOX_FEATURE_ACC | BLACKBOX_FEATURE_ATTITUDE |
BLACKBOX_FEATURE_RC_DATA | BLACKBOX_FEATURE_RC_COMMAND | BLACKBOX_FEATURE_MOTORS,
);
void blackboxIncludeFlagSet(uint32_t mask)
{
blackboxConfigMutable()->includeFlags |= mask;
}
void blackboxIncludeFlagClear(uint32_t mask)
{
blackboxConfigMutable()->includeFlags &= ~(mask);
}
bool blackboxIncludeFlag(uint32_t mask) {
return (blackboxConfig()->includeFlags & mask) == mask;
}
#define BLACKBOX_SHUTDOWN_TIMEOUT_MILLIS 200
static const int32_t blackboxSInterval = 4096;
// Some macros to make writing FLIGHT_LOG_FIELD_* constants shorter:
#define PREDICT(x) CONCAT(FLIGHT_LOG_FIELD_PREDICTOR_, x)
#define ENCODING(x) CONCAT(FLIGHT_LOG_FIELD_ENCODING_, x)
#define CONDITION(x) CONCAT(FLIGHT_LOG_FIELD_CONDITION_, x)
#define UNSIGNED FLIGHT_LOG_FIELD_UNSIGNED
#define SIGNED FLIGHT_LOG_FIELD_SIGNED
static const char blackboxHeader[] =
"H Product:Blackbox flight data recorder by Nicholas Sherlock\n"
"H Data version:2\n";
static const char* const blackboxFieldHeaderNames[] = {
"name",
"signed",
"predictor",
"encoding",
"predictor",
"encoding"
};
/* All field definition structs should look like this (but with longer arrs): */
typedef struct blackboxFieldDefinition_s {
const char *name;
// If the field name has a number to be included in square brackets [1] afterwards, set it here, or -1 for no brackets:
int8_t fieldNameIndex;
// Each member of this array will be the value to print for this field for the given header index
uint8_t arr[1];
} blackboxFieldDefinition_t;
#define BLACKBOX_DELTA_FIELD_HEADER_COUNT ARRAYLEN(blackboxFieldHeaderNames)
#define BLACKBOX_SIMPLE_FIELD_HEADER_COUNT (BLACKBOX_DELTA_FIELD_HEADER_COUNT - 2)
#define BLACKBOX_CONDITIONAL_FIELD_HEADER_COUNT (BLACKBOX_DELTA_FIELD_HEADER_COUNT - 2)
typedef struct blackboxSimpleFieldDefinition_s {
const char *name;
int8_t fieldNameIndex;
uint8_t isSigned;
uint8_t predict;
uint8_t encode;
} blackboxSimpleFieldDefinition_t;
typedef struct blackboxConditionalFieldDefinition_s {
const char *name;
int8_t fieldNameIndex;
uint8_t isSigned;
uint8_t predict;
uint8_t encode;
uint8_t condition; // Decide whether this field should appear in the log
} blackboxConditionalFieldDefinition_t;
typedef struct blackboxDeltaFieldDefinition_s {
const char *name;
int8_t fieldNameIndex;
uint8_t isSigned;
uint8_t Ipredict;
uint8_t Iencode;
uint8_t Ppredict;
uint8_t Pencode;
uint8_t condition; // Decide whether this field should appear in the log
} blackboxDeltaFieldDefinition_t;
/**
* Description of the blackbox fields we are writing in our main intra (I) and inter (P) frames. This description is
* written into the flight log header so the log can be properly interpreted (but these definitions don't actually cause
* the encoding to happen, we have to encode the flight log ourselves in write{Inter|Intra}frame() in a way that matches
* the encoding we've promised here).
*/
static const blackboxDeltaFieldDefinition_t blackboxMainFields[] = {
/* loopIteration doesn't appear in P frames since it always increments */
{"loopIteration",-1, UNSIGNED, .Ipredict = PREDICT(0), .Iencode = ENCODING(UNSIGNED_VB), .Ppredict = PREDICT(INC), .Pencode = FLIGHT_LOG_FIELD_ENCODING_NULL, CONDITION(ALWAYS)},
/* Time advances pretty steadily so the P-frame prediction is a straight line */
{"time", -1, UNSIGNED, .Ipredict = PREDICT(0), .Iencode = ENCODING(UNSIGNED_VB), .Ppredict = PREDICT(STRAIGHT_LINE), .Pencode = ENCODING(SIGNED_VB), CONDITION(ALWAYS)},
{"axisRate", 0, SIGNED, .Ipredict = PREDICT(0), .Iencode = ENCODING(SIGNED_VB), .Ppredict = PREDICT(PREVIOUS), .Pencode = ENCODING(SIGNED_VB), CONDITION(ALWAYS)},
{"axisRate", 1, SIGNED, .Ipredict = PREDICT(0), .Iencode = ENCODING(SIGNED_VB), .Ppredict = PREDICT(PREVIOUS), .Pencode = ENCODING(SIGNED_VB), CONDITION(ALWAYS)},
{"axisRate", 2, SIGNED, .Ipredict = PREDICT(0), .Iencode = ENCODING(SIGNED_VB), .Ppredict = PREDICT(PREVIOUS), .Pencode = ENCODING(SIGNED_VB), CONDITION(ALWAYS)},
{"axisP", 0, SIGNED, .Ipredict = PREDICT(0), .Iencode = ENCODING(SIGNED_VB), .Ppredict = PREDICT(PREVIOUS), .Pencode = ENCODING(SIGNED_VB), CONDITION(ALWAYS)},
{"axisP", 1, SIGNED, .Ipredict = PREDICT(0), .Iencode = ENCODING(SIGNED_VB), .Ppredict = PREDICT(PREVIOUS), .Pencode = ENCODING(SIGNED_VB), CONDITION(ALWAYS)},
{"axisP", 2, SIGNED, .Ipredict = PREDICT(0), .Iencode = ENCODING(SIGNED_VB), .Ppredict = PREDICT(PREVIOUS), .Pencode = ENCODING(SIGNED_VB), CONDITION(ALWAYS)},
/* I terms get special packed encoding in P frames: */
{"axisI", 0, SIGNED, .Ipredict = PREDICT(0), .Iencode = ENCODING(SIGNED_VB), .Ppredict = PREDICT(PREVIOUS), .Pencode = ENCODING(TAG2_3S32), CONDITION(ALWAYS)},
{"axisI", 1, SIGNED, .Ipredict = PREDICT(0), .Iencode = ENCODING(SIGNED_VB), .Ppredict = PREDICT(PREVIOUS), .Pencode = ENCODING(TAG2_3S32), CONDITION(ALWAYS)},
{"axisI", 2, SIGNED, .Ipredict = PREDICT(0), .Iencode = ENCODING(SIGNED_VB), .Ppredict = PREDICT(PREVIOUS), .Pencode = ENCODING(TAG2_3S32), CONDITION(ALWAYS)},
{"axisD", 0, SIGNED, .Ipredict = PREDICT(0), .Iencode = ENCODING(SIGNED_VB), .Ppredict = PREDICT(PREVIOUS), .Pencode = ENCODING(SIGNED_VB), CONDITION(NONZERO_PID_D_0)},
{"axisD", 1, SIGNED, .Ipredict = PREDICT(0), .Iencode = ENCODING(SIGNED_VB), .Ppredict = PREDICT(PREVIOUS), .Pencode = ENCODING(SIGNED_VB), CONDITION(NONZERO_PID_D_1)},
{"axisD", 2, SIGNED, .Ipredict = PREDICT(0), .Iencode = ENCODING(SIGNED_VB), .Ppredict = PREDICT(PREVIOUS), .Pencode = ENCODING(SIGNED_VB), CONDITION(NONZERO_PID_D_2)},
{"axisF", 0, SIGNED, .Ipredict = PREDICT(0), .Iencode = ENCODING(SIGNED_VB), .Ppredict = PREDICT(PREVIOUS), .Pencode = ENCODING(SIGNED_VB), FLIGHT_LOG_FIELD_CONDITION_ALWAYS},
{"axisF", 1, SIGNED, .Ipredict = PREDICT(0), .Iencode = ENCODING(SIGNED_VB), .Ppredict = PREDICT(PREVIOUS), .Pencode = ENCODING(SIGNED_VB), FLIGHT_LOG_FIELD_CONDITION_ALWAYS},
{"axisF", 2, SIGNED, .Ipredict = PREDICT(0), .Iencode = ENCODING(SIGNED_VB), .Ppredict = PREDICT(PREVIOUS), .Pencode = ENCODING(SIGNED_VB), FLIGHT_LOG_FIELD_CONDITION_ALWAYS},
{"fwAltP", -1, SIGNED, .Ipredict = PREDICT(0), .Iencode = ENCODING(SIGNED_VB), .Ppredict = PREDICT(PREVIOUS), .Pencode = ENCODING(SIGNED_VB), CONDITION(FIXED_WING_NAV)},
{"fwAltI", -1, SIGNED, .Ipredict = PREDICT(0), .Iencode = ENCODING(SIGNED_VB), .Ppredict = PREDICT(PREVIOUS), .Pencode = ENCODING(SIGNED_VB), CONDITION(FIXED_WING_NAV)},
{"fwAltD", -1, SIGNED, .Ipredict = PREDICT(0), .Iencode = ENCODING(SIGNED_VB), .Ppredict = PREDICT(PREVIOUS), .Pencode = ENCODING(SIGNED_VB), CONDITION(FIXED_WING_NAV)},
{"fwAltOut", -1, SIGNED, .Ipredict = PREDICT(0), .Iencode = ENCODING(SIGNED_VB), .Ppredict = PREDICT(PREVIOUS), .Pencode = ENCODING(SIGNED_VB), CONDITION(FIXED_WING_NAV)},
{"fwPosP", -1, SIGNED, .Ipredict = PREDICT(0), .Iencode = ENCODING(SIGNED_VB), .Ppredict = PREDICT(PREVIOUS), .Pencode = ENCODING(SIGNED_VB), CONDITION(FIXED_WING_NAV)},
{"fwPosI", -1, SIGNED, .Ipredict = PREDICT(0), .Iencode = ENCODING(SIGNED_VB), .Ppredict = PREDICT(PREVIOUS), .Pencode = ENCODING(SIGNED_VB), CONDITION(FIXED_WING_NAV)},
{"fwPosD", -1, SIGNED, .Ipredict = PREDICT(0), .Iencode = ENCODING(SIGNED_VB), .Ppredict = PREDICT(PREVIOUS), .Pencode = ENCODING(SIGNED_VB), CONDITION(FIXED_WING_NAV)},
{"fwPosOut", -1, SIGNED, .Ipredict = PREDICT(0), .Iencode = ENCODING(SIGNED_VB), .Ppredict = PREDICT(PREVIOUS), .Pencode = ENCODING(SIGNED_VB), CONDITION(FIXED_WING_NAV)},
{"mcPosAxisP", 0, SIGNED, .Ipredict = PREDICT(0), .Iencode = ENCODING(SIGNED_VB), .Ppredict = PREDICT(PREVIOUS), .Pencode = ENCODING(SIGNED_VB), CONDITION(MC_NAV)},
{"mcPosAxisP", 1, SIGNED, .Ipredict = PREDICT(0), .Iencode = ENCODING(SIGNED_VB), .Ppredict = PREDICT(PREVIOUS), .Pencode = ENCODING(SIGNED_VB), CONDITION(MC_NAV)},
{"mcPosAxisP", 2, SIGNED, .Ipredict = PREDICT(0), .Iencode = ENCODING(SIGNED_VB), .Ppredict = PREDICT(PREVIOUS), .Pencode = ENCODING(SIGNED_VB), CONDITION(MC_NAV)},
{"mcVelAxisP", 0, SIGNED, .Ipredict = PREDICT(0), .Iencode = ENCODING(SIGNED_VB), .Ppredict = PREDICT(PREVIOUS), .Pencode = ENCODING(SIGNED_VB), CONDITION(MC_NAV)},
{"mcVelAxisP", 1, SIGNED, .Ipredict = PREDICT(0), .Iencode = ENCODING(SIGNED_VB), .Ppredict = PREDICT(PREVIOUS), .Pencode = ENCODING(SIGNED_VB), CONDITION(MC_NAV)},
{"mcVelAxisP", 2, SIGNED, .Ipredict = PREDICT(0), .Iencode = ENCODING(SIGNED_VB), .Ppredict = PREDICT(PREVIOUS), .Pencode = ENCODING(SIGNED_VB), CONDITION(MC_NAV)},
{"mcVelAxisI", 0, SIGNED, .Ipredict = PREDICT(0), .Iencode = ENCODING(SIGNED_VB), .Ppredict = PREDICT(PREVIOUS), .Pencode = ENCODING(SIGNED_VB), CONDITION(MC_NAV)},
{"mcVelAxisI", 1, SIGNED, .Ipredict = PREDICT(0), .Iencode = ENCODING(SIGNED_VB), .Ppredict = PREDICT(PREVIOUS), .Pencode = ENCODING(SIGNED_VB), CONDITION(MC_NAV)},
{"mcVelAxisI", 2, SIGNED, .Ipredict = PREDICT(0), .Iencode = ENCODING(SIGNED_VB), .Ppredict = PREDICT(PREVIOUS), .Pencode = ENCODING(SIGNED_VB), CONDITION(MC_NAV)},
{"mcVelAxisD", 0, SIGNED, .Ipredict = PREDICT(0), .Iencode = ENCODING(SIGNED_VB), .Ppredict = PREDICT(PREVIOUS), .Pencode = ENCODING(SIGNED_VB), CONDITION(MC_NAV)},
{"mcVelAxisD", 1, SIGNED, .Ipredict = PREDICT(0), .Iencode = ENCODING(SIGNED_VB), .Ppredict = PREDICT(PREVIOUS), .Pencode = ENCODING(SIGNED_VB), CONDITION(MC_NAV)},
{"mcVelAxisD", 2, SIGNED, .Ipredict = PREDICT(0), .Iencode = ENCODING(SIGNED_VB), .Ppredict = PREDICT(PREVIOUS), .Pencode = ENCODING(SIGNED_VB), CONDITION(MC_NAV)},
{"mcVelAxisFF", 0, SIGNED, .Ipredict = PREDICT(0), .Iencode = ENCODING(SIGNED_VB), .Ppredict = PREDICT(PREVIOUS), .Pencode = ENCODING(SIGNED_VB), CONDITION(MC_NAV)},
{"mcVelAxisFF", 1, SIGNED, .Ipredict = PREDICT(0), .Iencode = ENCODING(SIGNED_VB), .Ppredict = PREDICT(PREVIOUS), .Pencode = ENCODING(SIGNED_VB), CONDITION(MC_NAV)},
{"mcVelAxisFF", 2, SIGNED, .Ipredict = PREDICT(0), .Iencode = ENCODING(SIGNED_VB), .Ppredict = PREDICT(PREVIOUS), .Pencode = ENCODING(SIGNED_VB), CONDITION(MC_NAV)},
{"mcVelAxisOut",0, SIGNED, .Ipredict = PREDICT(0), .Iencode = ENCODING(SIGNED_VB), .Ppredict = PREDICT(PREVIOUS), .Pencode = ENCODING(SIGNED_VB), CONDITION(MC_NAV)},
{"mcVelAxisOut",1, SIGNED, .Ipredict = PREDICT(0), .Iencode = ENCODING(SIGNED_VB), .Ppredict = PREDICT(PREVIOUS), .Pencode = ENCODING(SIGNED_VB), CONDITION(MC_NAV)},
{"mcVelAxisOut",2, SIGNED, .Ipredict = PREDICT(0), .Iencode = ENCODING(SIGNED_VB), .Ppredict = PREDICT(PREVIOUS), .Pencode = ENCODING(SIGNED_VB), CONDITION(MC_NAV)},
{"mcSurfaceP", -1, SIGNED, .Ipredict = PREDICT(0), .Iencode = ENCODING(SIGNED_VB), .Ppredict = PREDICT(PREVIOUS), .Pencode = ENCODING(SIGNED_VB), CONDITION(MC_NAV)},
{"mcSurfaceI", -1, SIGNED, .Ipredict = PREDICT(0), .Iencode = ENCODING(SIGNED_VB), .Ppredict = PREDICT(PREVIOUS), .Pencode = ENCODING(SIGNED_VB), CONDITION(MC_NAV)},
{"mcSurfaceD", -1, SIGNED, .Ipredict = PREDICT(0), .Iencode = ENCODING(SIGNED_VB), .Ppredict = PREDICT(PREVIOUS), .Pencode = ENCODING(SIGNED_VB), CONDITION(MC_NAV)},
{"mcSurfaceOut",-1, SIGNED, .Ipredict = PREDICT(0), .Iencode = ENCODING(SIGNED_VB), .Ppredict = PREDICT(PREVIOUS), .Pencode = ENCODING(SIGNED_VB), CONDITION(MC_NAV)},
/* rcData are encoded together as a group: */
{"rcData", 0, SIGNED, .Ipredict = PREDICT(0), .Iencode = ENCODING(SIGNED_VB), .Ppredict = PREDICT(PREVIOUS), .Pencode = ENCODING(TAG8_4S16), FLIGHT_LOG_FIELD_CONDITION_RC_DATA},
{"rcData", 1, SIGNED, .Ipredict = PREDICT(0), .Iencode = ENCODING(SIGNED_VB), .Ppredict = PREDICT(PREVIOUS), .Pencode = ENCODING(TAG8_4S16), FLIGHT_LOG_FIELD_CONDITION_RC_DATA},
{"rcData", 2, SIGNED, .Ipredict = PREDICT(0), .Iencode = ENCODING(SIGNED_VB), .Ppredict = PREDICT(PREVIOUS), .Pencode = ENCODING(TAG8_4S16), FLIGHT_LOG_FIELD_CONDITION_RC_DATA},
{"rcData", 3, SIGNED, .Ipredict = PREDICT(0), .Iencode = ENCODING(SIGNED_VB), .Ppredict = PREDICT(PREVIOUS), .Pencode = ENCODING(TAG8_4S16), FLIGHT_LOG_FIELD_CONDITION_RC_DATA},
/* rcCommands are encoded together as a group in P-frames: */
{"rcCommand", 0, SIGNED, .Ipredict = PREDICT(0), .Iencode = ENCODING(SIGNED_VB), .Ppredict = PREDICT(PREVIOUS), .Pencode = ENCODING(TAG8_4S16), FLIGHT_LOG_FIELD_CONDITION_RC_COMMAND},
{"rcCommand", 1, SIGNED, .Ipredict = PREDICT(0), .Iencode = ENCODING(SIGNED_VB), .Ppredict = PREDICT(PREVIOUS), .Pencode = ENCODING(TAG8_4S16), FLIGHT_LOG_FIELD_CONDITION_RC_COMMAND},
{"rcCommand", 2, SIGNED, .Ipredict = PREDICT(0), .Iencode = ENCODING(SIGNED_VB), .Ppredict = PREDICT(PREVIOUS), .Pencode = ENCODING(TAG8_4S16), FLIGHT_LOG_FIELD_CONDITION_RC_COMMAND},
/* Throttle is always in the range [minthrottle..maxthrottle]: */
{"rcCommand", 3, UNSIGNED, .Ipredict = PREDICT(MINTHROTTLE), .Iencode = ENCODING(UNSIGNED_VB), .Ppredict = PREDICT(PREVIOUS), .Pencode = ENCODING(TAG8_4S16), FLIGHT_LOG_FIELD_CONDITION_RC_COMMAND},
{"vbat", -1, UNSIGNED, .Ipredict = PREDICT(VBATREF), .Iencode = ENCODING(NEG_14BIT), .Ppredict = PREDICT(PREVIOUS), .Pencode = ENCODING(TAG8_8SVB), FLIGHT_LOG_FIELD_CONDITION_VBAT},
{"amperage", -1, SIGNED, .Ipredict = PREDICT(0), .Iencode = ENCODING(SIGNED_VB), .Ppredict = PREDICT(PREVIOUS), .Pencode = ENCODING(TAG8_8SVB), FLIGHT_LOG_FIELD_CONDITION_AMPERAGE},
#ifdef USE_MAG
{"magADC", 0, SIGNED, .Ipredict = PREDICT(0), .Iencode = ENCODING(SIGNED_VB), .Ppredict = PREDICT(PREVIOUS), .Pencode = ENCODING(TAG8_8SVB), FLIGHT_LOG_FIELD_CONDITION_MAG},
{"magADC", 1, SIGNED, .Ipredict = PREDICT(0), .Iencode = ENCODING(SIGNED_VB), .Ppredict = PREDICT(PREVIOUS), .Pencode = ENCODING(TAG8_8SVB), FLIGHT_LOG_FIELD_CONDITION_MAG},
{"magADC", 2, SIGNED, .Ipredict = PREDICT(0), .Iencode = ENCODING(SIGNED_VB), .Ppredict = PREDICT(PREVIOUS), .Pencode = ENCODING(TAG8_8SVB), FLIGHT_LOG_FIELD_CONDITION_MAG},
#endif
#ifdef USE_BARO
{"BaroAlt", -1, SIGNED, .Ipredict = PREDICT(0), .Iencode = ENCODING(SIGNED_VB), .Ppredict = PREDICT(PREVIOUS), .Pencode = ENCODING(TAG8_8SVB), FLIGHT_LOG_FIELD_CONDITION_BARO},
#endif
#ifdef USE_PITOT
{"AirSpeed", -1, SIGNED, .Ipredict = PREDICT(0), .Iencode = ENCODING(SIGNED_VB), .Ppredict = PREDICT(PREVIOUS), .Pencode = ENCODING(TAG8_8SVB), FLIGHT_LOG_FIELD_CONDITION_PITOT},
#endif
#ifdef USE_RANGEFINDER
{"surfaceRaw", -1, SIGNED, .Ipredict = PREDICT(0), .Iencode = ENCODING(SIGNED_VB), .Ppredict = PREDICT(PREVIOUS), .Pencode = ENCODING(TAG8_8SVB), FLIGHT_LOG_FIELD_CONDITION_SURFACE},
#endif
{"rssi", -1, UNSIGNED, .Ipredict = PREDICT(0), .Iencode = ENCODING(UNSIGNED_VB), .Ppredict = PREDICT(PREVIOUS), .Pencode = ENCODING(TAG8_8SVB), FLIGHT_LOG_FIELD_CONDITION_RSSI},
/* Gyros and accelerometers base their P-predictions on the average of the previous 2 frames to reduce noise impact */
{"gyroADC", 0, SIGNED, .Ipredict = PREDICT(0), .Iencode = ENCODING(SIGNED_VB), .Ppredict = PREDICT(AVERAGE_2), .Pencode = ENCODING(SIGNED_VB), CONDITION(ALWAYS)},
{"gyroADC", 1, SIGNED, .Ipredict = PREDICT(0), .Iencode = ENCODING(SIGNED_VB), .Ppredict = PREDICT(AVERAGE_2), .Pencode = ENCODING(SIGNED_VB), CONDITION(ALWAYS)},
{"gyroADC", 2, SIGNED, .Ipredict = PREDICT(0), .Iencode = ENCODING(SIGNED_VB), .Ppredict = PREDICT(AVERAGE_2), .Pencode = ENCODING(SIGNED_VB), CONDITION(ALWAYS)},
{"gyroRaw", 0, SIGNED, .Ipredict = PREDICT(0), .Iencode = ENCODING(SIGNED_VB), .Ppredict = PREDICT(AVERAGE_2), .Pencode = ENCODING(SIGNED_VB), FLIGHT_LOG_FIELD_CONDITION_GYRO_RAW},
{"gyroRaw", 1, SIGNED, .Ipredict = PREDICT(0), .Iencode = ENCODING(SIGNED_VB), .Ppredict = PREDICT(AVERAGE_2), .Pencode = ENCODING(SIGNED_VB), FLIGHT_LOG_FIELD_CONDITION_GYRO_RAW},
{"gyroRaw", 2, SIGNED, .Ipredict = PREDICT(0), .Iencode = ENCODING(SIGNED_VB), .Ppredict = PREDICT(AVERAGE_2), .Pencode = ENCODING(SIGNED_VB), FLIGHT_LOG_FIELD_CONDITION_GYRO_RAW},
{"gyroPeakRoll", 0, UNSIGNED, .Ipredict = PREDICT(0), .Iencode = ENCODING(UNSIGNED_VB), .Ppredict = PREDICT(AVERAGE_2), .Pencode = ENCODING(SIGNED_VB), FLIGHT_LOG_FIELD_CONDITION_GYRO_PEAKS_ROLL},
{"gyroPeakRoll", 1, UNSIGNED, .Ipredict = PREDICT(0), .Iencode = ENCODING(UNSIGNED_VB), .Ppredict = PREDICT(AVERAGE_2), .Pencode = ENCODING(SIGNED_VB), FLIGHT_LOG_FIELD_CONDITION_GYRO_PEAKS_ROLL},
{"gyroPeakRoll", 2, UNSIGNED, .Ipredict = PREDICT(0), .Iencode = ENCODING(UNSIGNED_VB), .Ppredict = PREDICT(AVERAGE_2), .Pencode = ENCODING(SIGNED_VB), FLIGHT_LOG_FIELD_CONDITION_GYRO_PEAKS_ROLL},
{"gyroPeakPitch", 0, UNSIGNED, .Ipredict = PREDICT(0), .Iencode = ENCODING(UNSIGNED_VB), .Ppredict = PREDICT(AVERAGE_2), .Pencode = ENCODING(SIGNED_VB), FLIGHT_LOG_FIELD_CONDITION_GYRO_PEAKS_PITCH},
{"gyroPeakPitch", 1, UNSIGNED, .Ipredict = PREDICT(0), .Iencode = ENCODING(UNSIGNED_VB), .Ppredict = PREDICT(AVERAGE_2), .Pencode = ENCODING(SIGNED_VB), FLIGHT_LOG_FIELD_CONDITION_GYRO_PEAKS_PITCH},
{"gyroPeakPitch", 2, UNSIGNED, .Ipredict = PREDICT(0), .Iencode = ENCODING(UNSIGNED_VB), .Ppredict = PREDICT(AVERAGE_2), .Pencode = ENCODING(SIGNED_VB), FLIGHT_LOG_FIELD_CONDITION_GYRO_PEAKS_PITCH},
{"gyroPeakYaw", 0, UNSIGNED, .Ipredict = PREDICT(0), .Iencode = ENCODING(UNSIGNED_VB), .Ppredict = PREDICT(AVERAGE_2), .Pencode = ENCODING(SIGNED_VB), FLIGHT_LOG_FIELD_CONDITION_GYRO_PEAKS_YAW},
{"gyroPeakYaw", 1, UNSIGNED, .Ipredict = PREDICT(0), .Iencode = ENCODING(UNSIGNED_VB), .Ppredict = PREDICT(AVERAGE_2), .Pencode = ENCODING(SIGNED_VB), FLIGHT_LOG_FIELD_CONDITION_GYRO_PEAKS_YAW},
{"gyroPeakYaw", 2, UNSIGNED, .Ipredict = PREDICT(0), .Iencode = ENCODING(UNSIGNED_VB), .Ppredict = PREDICT(AVERAGE_2), .Pencode = ENCODING(SIGNED_VB), FLIGHT_LOG_FIELD_CONDITION_GYRO_PEAKS_YAW},
{"accSmooth", 0, SIGNED, .Ipredict = PREDICT(0), .Iencode = ENCODING(SIGNED_VB), .Ppredict = PREDICT(AVERAGE_2), .Pencode = ENCODING(SIGNED_VB), FLIGHT_LOG_FIELD_CONDITION_ACC},
{"accSmooth", 1, SIGNED, .Ipredict = PREDICT(0), .Iencode = ENCODING(SIGNED_VB), .Ppredict = PREDICT(AVERAGE_2), .Pencode = ENCODING(SIGNED_VB), FLIGHT_LOG_FIELD_CONDITION_ACC},
{"accSmooth", 2, SIGNED, .Ipredict = PREDICT(0), .Iencode = ENCODING(SIGNED_VB), .Ppredict = PREDICT(AVERAGE_2), .Pencode = ENCODING(SIGNED_VB), FLIGHT_LOG_FIELD_CONDITION_ACC},
{"attitude", 0, SIGNED, .Ipredict = PREDICT(0), .Iencode = ENCODING(SIGNED_VB), .Ppredict = PREDICT(AVERAGE_2), .Pencode = ENCODING(SIGNED_VB), FLIGHT_LOG_FIELD_CONDITION_ATTITUDE},
{"attitude", 1, SIGNED, .Ipredict = PREDICT(0), .Iencode = ENCODING(SIGNED_VB), .Ppredict = PREDICT(AVERAGE_2), .Pencode = ENCODING(SIGNED_VB), FLIGHT_LOG_FIELD_CONDITION_ATTITUDE},
{"attitude", 2, SIGNED, .Ipredict = PREDICT(0), .Iencode = ENCODING(SIGNED_VB), .Ppredict = PREDICT(AVERAGE_2), .Pencode = ENCODING(SIGNED_VB), FLIGHT_LOG_FIELD_CONDITION_ATTITUDE},
{"debug", 0, SIGNED, .Ipredict = PREDICT(0), .Iencode = ENCODING(SIGNED_VB), .Ppredict = PREDICT(AVERAGE_2), .Pencode = ENCODING(SIGNED_VB), FLIGHT_LOG_FIELD_CONDITION_DEBUG},
{"debug", 1, SIGNED, .Ipredict = PREDICT(0), .Iencode = ENCODING(SIGNED_VB), .Ppredict = PREDICT(AVERAGE_2), .Pencode = ENCODING(SIGNED_VB), FLIGHT_LOG_FIELD_CONDITION_DEBUG},
{"debug", 2, SIGNED, .Ipredict = PREDICT(0), .Iencode = ENCODING(SIGNED_VB), .Ppredict = PREDICT(AVERAGE_2), .Pencode = ENCODING(SIGNED_VB), FLIGHT_LOG_FIELD_CONDITION_DEBUG},
{"debug", 3, SIGNED, .Ipredict = PREDICT(0), .Iencode = ENCODING(SIGNED_VB), .Ppredict = PREDICT(AVERAGE_2), .Pencode = ENCODING(SIGNED_VB), FLIGHT_LOG_FIELD_CONDITION_DEBUG},
{"debug", 4, SIGNED, .Ipredict = PREDICT(0), .Iencode = ENCODING(SIGNED_VB), .Ppredict = PREDICT(AVERAGE_2), .Pencode = ENCODING(SIGNED_VB), FLIGHT_LOG_FIELD_CONDITION_DEBUG},
{"debug", 5, SIGNED, .Ipredict = PREDICT(0), .Iencode = ENCODING(SIGNED_VB), .Ppredict = PREDICT(AVERAGE_2), .Pencode = ENCODING(SIGNED_VB), FLIGHT_LOG_FIELD_CONDITION_DEBUG},
{"debug", 6, SIGNED, .Ipredict = PREDICT(0), .Iencode = ENCODING(SIGNED_VB), .Ppredict = PREDICT(AVERAGE_2), .Pencode = ENCODING(SIGNED_VB), FLIGHT_LOG_FIELD_CONDITION_DEBUG},
{"debug", 7, SIGNED, .Ipredict = PREDICT(0), .Iencode = ENCODING(SIGNED_VB), .Ppredict = PREDICT(AVERAGE_2), .Pencode = ENCODING(SIGNED_VB), FLIGHT_LOG_FIELD_CONDITION_DEBUG},
/* Motors only rarely drops under minthrottle (when stick falls below mincommand), so predict minthrottle for it and use *unsigned* encoding (which is large for negative numbers but more compact for positive ones): */
{"motor", 0, UNSIGNED, .Ipredict = PREDICT(MINTHROTTLE), .Iencode = ENCODING(UNSIGNED_VB), .Ppredict = PREDICT(AVERAGE_2), .Pencode = ENCODING(SIGNED_VB), CONDITION(AT_LEAST_MOTORS_1)},
/* Subsequent motors base their I-frame values on the first one, P-frame values on the average of last two frames: */
{"motor", 1, UNSIGNED, .Ipredict = PREDICT(MOTOR_0), .Iencode = ENCODING(SIGNED_VB), .Ppredict = PREDICT(AVERAGE_2), .Pencode = ENCODING(SIGNED_VB), CONDITION(AT_LEAST_MOTORS_2)},
{"motor", 2, UNSIGNED, .Ipredict = PREDICT(MOTOR_0), .Iencode = ENCODING(SIGNED_VB), .Ppredict = PREDICT(AVERAGE_2), .Pencode = ENCODING(SIGNED_VB), CONDITION(AT_LEAST_MOTORS_3)},
{"motor", 3, UNSIGNED, .Ipredict = PREDICT(MOTOR_0), .Iencode = ENCODING(SIGNED_VB), .Ppredict = PREDICT(AVERAGE_2), .Pencode = ENCODING(SIGNED_VB), CONDITION(AT_LEAST_MOTORS_4)},
{"motor", 4, UNSIGNED, .Ipredict = PREDICT(MOTOR_0), .Iencode = ENCODING(SIGNED_VB), .Ppredict = PREDICT(AVERAGE_2), .Pencode = ENCODING(SIGNED_VB), CONDITION(AT_LEAST_MOTORS_5)},
{"motor", 5, UNSIGNED, .Ipredict = PREDICT(MOTOR_0), .Iencode = ENCODING(SIGNED_VB), .Ppredict = PREDICT(AVERAGE_2), .Pencode = ENCODING(SIGNED_VB), CONDITION(AT_LEAST_MOTORS_6)},
{"motor", 6, UNSIGNED, .Ipredict = PREDICT(MOTOR_0), .Iencode = ENCODING(SIGNED_VB), .Ppredict = PREDICT(AVERAGE_2), .Pencode = ENCODING(SIGNED_VB), CONDITION(AT_LEAST_MOTORS_7)},
{"motor", 7, UNSIGNED, .Ipredict = PREDICT(MOTOR_0), .Iencode = ENCODING(SIGNED_VB), .Ppredict = PREDICT(AVERAGE_2), .Pencode = ENCODING(SIGNED_VB), CONDITION(AT_LEAST_MOTORS_8)},
/* servos */
{"servo", 0, UNSIGNED, .Ipredict = PREDICT(1500), .Iencode = ENCODING(SIGNED_VB), .Ppredict = PREDICT(AVERAGE_2), .Pencode = ENCODING(SIGNED_VB), CONDITION(SERVOS)},
{"servo", 1, UNSIGNED, .Ipredict = PREDICT(1500), .Iencode = ENCODING(SIGNED_VB), .Ppredict = PREDICT(AVERAGE_2), .Pencode = ENCODING(SIGNED_VB), CONDITION(SERVOS)},
{"servo", 2, UNSIGNED, .Ipredict = PREDICT(1500), .Iencode = ENCODING(SIGNED_VB), .Ppredict = PREDICT(AVERAGE_2), .Pencode = ENCODING(SIGNED_VB), CONDITION(SERVOS)},
{"servo", 3, UNSIGNED, .Ipredict = PREDICT(1500), .Iencode = ENCODING(SIGNED_VB), .Ppredict = PREDICT(AVERAGE_2), .Pencode = ENCODING(SIGNED_VB), CONDITION(SERVOS)},
{"servo", 4, UNSIGNED, .Ipredict = PREDICT(1500), .Iencode = ENCODING(SIGNED_VB), .Ppredict = PREDICT(AVERAGE_2), .Pencode = ENCODING(SIGNED_VB), CONDITION(SERVOS)},
{"servo", 5, UNSIGNED, .Ipredict = PREDICT(1500), .Iencode = ENCODING(SIGNED_VB), .Ppredict = PREDICT(AVERAGE_2), .Pencode = ENCODING(SIGNED_VB), CONDITION(SERVOS)},
{"servo", 6, UNSIGNED, .Ipredict = PREDICT(1500), .Iencode = ENCODING(SIGNED_VB), .Ppredict = PREDICT(AVERAGE_2), .Pencode = ENCODING(SIGNED_VB), CONDITION(SERVOS)},
{"servo", 7, UNSIGNED, .Ipredict = PREDICT(1500), .Iencode = ENCODING(SIGNED_VB), .Ppredict = PREDICT(AVERAGE_2), .Pencode = ENCODING(SIGNED_VB), CONDITION(SERVOS)},
{"servo", 8, UNSIGNED, .Ipredict = PREDICT(1500), .Iencode = ENCODING(SIGNED_VB), .Ppredict = PREDICT(AVERAGE_2), .Pencode = ENCODING(SIGNED_VB), CONDITION(SERVOS)},
{"servo", 9, UNSIGNED, .Ipredict = PREDICT(1500), .Iencode = ENCODING(SIGNED_VB), .Ppredict = PREDICT(AVERAGE_2), .Pencode = ENCODING(SIGNED_VB), CONDITION(SERVOS)},
{"servo", 10, UNSIGNED, .Ipredict = PREDICT(1500), .Iencode = ENCODING(SIGNED_VB), .Ppredict = PREDICT(AVERAGE_2), .Pencode = ENCODING(SIGNED_VB), CONDITION(SERVOS)},
{"servo", 11, UNSIGNED, .Ipredict = PREDICT(1500), .Iencode = ENCODING(SIGNED_VB), .Ppredict = PREDICT(AVERAGE_2), .Pencode = ENCODING(SIGNED_VB), CONDITION(SERVOS)},
{"servo", 12, UNSIGNED, .Ipredict = PREDICT(1500), .Iencode = ENCODING(SIGNED_VB), .Ppredict = PREDICT(AVERAGE_2), .Pencode = ENCODING(SIGNED_VB), CONDITION(SERVOS)},
{"servo", 13, UNSIGNED, .Ipredict = PREDICT(1500), .Iencode = ENCODING(SIGNED_VB), .Ppredict = PREDICT(AVERAGE_2), .Pencode = ENCODING(SIGNED_VB), CONDITION(SERVOS)},
{"servo", 14, UNSIGNED, .Ipredict = PREDICT(1500), .Iencode = ENCODING(SIGNED_VB), .Ppredict = PREDICT(AVERAGE_2), .Pencode = ENCODING(SIGNED_VB), CONDITION(SERVOS)},
{"servo", 15, UNSIGNED, .Ipredict = PREDICT(1500), .Iencode = ENCODING(SIGNED_VB), .Ppredict = PREDICT(AVERAGE_2), .Pencode = ENCODING(SIGNED_VB), CONDITION(SERVOS)},
{"navState", -1, SIGNED, .Ipredict = PREDICT(0), .Iencode = ENCODING(SIGNED_VB), .Ppredict = PREDICT(PREVIOUS), .Pencode = ENCODING(SIGNED_VB), CONDITION(ALWAYS)},
{"navFlags", -1, UNSIGNED, .Ipredict = PREDICT(0), .Iencode = ENCODING(SIGNED_VB), .Ppredict = PREDICT(PREVIOUS), .Pencode = ENCODING(SIGNED_VB), CONDITION(ALWAYS)},
{"navEPH", -1, SIGNED, .Ipredict = PREDICT(0), .Iencode = ENCODING(SIGNED_VB), .Ppredict = PREDICT(PREVIOUS), .Pencode = ENCODING(SIGNED_VB), FLIGHT_LOG_FIELD_CONDITION_NAV_POS},
{"navEPV", -1, SIGNED, .Ipredict = PREDICT(0), .Iencode = ENCODING(SIGNED_VB), .Ppredict = PREDICT(PREVIOUS), .Pencode = ENCODING(SIGNED_VB), FLIGHT_LOG_FIELD_CONDITION_NAV_POS},
{"navPos", 0, SIGNED, .Ipredict = PREDICT(0), .Iencode = ENCODING(SIGNED_VB), .Ppredict = PREDICT(PREVIOUS), .Pencode = ENCODING(SIGNED_VB), FLIGHT_LOG_FIELD_CONDITION_NAV_POS},
{"navPos", 1, SIGNED, .Ipredict = PREDICT(0), .Iencode = ENCODING(SIGNED_VB), .Ppredict = PREDICT(PREVIOUS), .Pencode = ENCODING(SIGNED_VB), FLIGHT_LOG_FIELD_CONDITION_NAV_POS},
{"navPos", 2, SIGNED, .Ipredict = PREDICT(0), .Iencode = ENCODING(SIGNED_VB), .Ppredict = PREDICT(PREVIOUS), .Pencode = ENCODING(SIGNED_VB), FLIGHT_LOG_FIELD_CONDITION_NAV_POS},
{"navVel", 0, SIGNED, .Ipredict = PREDICT(0), .Iencode = ENCODING(SIGNED_VB), .Ppredict = PREDICT(AVERAGE_2), .Pencode = ENCODING(SIGNED_VB), FLIGHT_LOG_FIELD_CONDITION_NAV_POS},
{"navVel", 1, SIGNED, .Ipredict = PREDICT(0), .Iencode = ENCODING(SIGNED_VB), .Ppredict = PREDICT(AVERAGE_2), .Pencode = ENCODING(SIGNED_VB), FLIGHT_LOG_FIELD_CONDITION_NAV_POS},
{"navVel", 2, SIGNED, .Ipredict = PREDICT(0), .Iencode = ENCODING(SIGNED_VB), .Ppredict = PREDICT(AVERAGE_2), .Pencode = ENCODING(SIGNED_VB), FLIGHT_LOG_FIELD_CONDITION_NAV_POS},
{"navTgtVel", 0, SIGNED, .Ipredict = PREDICT(0), .Iencode = ENCODING(SIGNED_VB), .Ppredict = PREDICT(AVERAGE_2), .Pencode = ENCODING(SIGNED_VB), FLIGHT_LOG_FIELD_CONDITION_NAV_POS},
{"navTgtVel", 1, SIGNED, .Ipredict = PREDICT(0), .Iencode = ENCODING(SIGNED_VB), .Ppredict = PREDICT(AVERAGE_2), .Pencode = ENCODING(SIGNED_VB), FLIGHT_LOG_FIELD_CONDITION_NAV_POS},
{"navTgtVel", 2, SIGNED, .Ipredict = PREDICT(0), .Iencode = ENCODING(SIGNED_VB), .Ppredict = PREDICT(AVERAGE_2), .Pencode = ENCODING(SIGNED_VB), FLIGHT_LOG_FIELD_CONDITION_NAV_POS},
{"navTgtPos", 0, SIGNED, .Ipredict = PREDICT(0), .Iencode = ENCODING(SIGNED_VB), .Ppredict = PREDICT(PREVIOUS), .Pencode = ENCODING(SIGNED_VB), FLIGHT_LOG_FIELD_CONDITION_NAV_POS},
{"navTgtPos", 1, SIGNED, .Ipredict = PREDICT(0), .Iencode = ENCODING(SIGNED_VB), .Ppredict = PREDICT(PREVIOUS), .Pencode = ENCODING(SIGNED_VB), FLIGHT_LOG_FIELD_CONDITION_NAV_POS},
{"navTgtPos", 2, SIGNED, .Ipredict = PREDICT(0), .Iencode = ENCODING(SIGNED_VB), .Ppredict = PREDICT(PREVIOUS), .Pencode = ENCODING(SIGNED_VB), FLIGHT_LOG_FIELD_CONDITION_NAV_POS},
{"navSurf", -1, SIGNED, .Ipredict = PREDICT(0), .Iencode = ENCODING(SIGNED_VB), .Ppredict = PREDICT(PREVIOUS), .Pencode = ENCODING(SIGNED_VB), FLIGHT_LOG_FIELD_CONDITION_NAV_POS},
{"navAcc", 0, SIGNED, .Ipredict = PREDICT(0), .Iencode = ENCODING(SIGNED_VB), .Ppredict = PREDICT(AVERAGE_2), .Pencode = ENCODING(SIGNED_VB), FLIGHT_LOG_FIELD_CONDITION_NAV_ACC},
{"navAcc", 1, SIGNED, .Ipredict = PREDICT(0), .Iencode = ENCODING(SIGNED_VB), .Ppredict = PREDICT(AVERAGE_2), .Pencode = ENCODING(SIGNED_VB), FLIGHT_LOG_FIELD_CONDITION_NAV_ACC},
{"navAcc", 2, SIGNED, .Ipredict = PREDICT(0), .Iencode = ENCODING(SIGNED_VB), .Ppredict = PREDICT(AVERAGE_2), .Pencode = ENCODING(SIGNED_VB), FLIGHT_LOG_FIELD_CONDITION_NAV_ACC},
};
#ifdef USE_GPS
// GPS position/vel frame
static const blackboxConditionalFieldDefinition_t blackboxGpsGFields[] = {
{"time", -1, UNSIGNED, PREDICT(LAST_MAIN_FRAME_TIME), ENCODING(UNSIGNED_VB), CONDITION(NOT_LOGGING_EVERY_FRAME)},
{"GPS_fixType", -1, UNSIGNED, PREDICT(0), ENCODING(UNSIGNED_VB), CONDITION(ALWAYS)},
{"GPS_numSat", -1, UNSIGNED, PREDICT(0), ENCODING(UNSIGNED_VB), CONDITION(ALWAYS)},
{"GPS_coord", 0, SIGNED, PREDICT(HOME_COORD), ENCODING(SIGNED_VB), CONDITION(ALWAYS)},
{"GPS_coord", 1, SIGNED, PREDICT(HOME_COORD), ENCODING(SIGNED_VB), CONDITION(ALWAYS)},
{"GPS_altitude", -1, SIGNED, PREDICT(0), ENCODING(SIGNED_VB), CONDITION(ALWAYS)},
{"GPS_speed", -1, UNSIGNED, PREDICT(0), ENCODING(UNSIGNED_VB), CONDITION(ALWAYS)},
{"GPS_ground_course", -1, UNSIGNED, PREDICT(0), ENCODING(UNSIGNED_VB), CONDITION(ALWAYS)},
{"GPS_hdop", -1, UNSIGNED, PREDICT(0), ENCODING(UNSIGNED_VB), CONDITION(ALWAYS)},
{"GPS_eph", -1, UNSIGNED, PREDICT(0), ENCODING(UNSIGNED_VB), CONDITION(ALWAYS)},
{"GPS_epv", -1, UNSIGNED, PREDICT(0), ENCODING(UNSIGNED_VB), CONDITION(ALWAYS)},
{"GPS_velned", 0, SIGNED, PREDICT(0), ENCODING(SIGNED_VB), CONDITION(ALWAYS)},
{"GPS_velned", 1, SIGNED, PREDICT(0), ENCODING(SIGNED_VB), CONDITION(ALWAYS)},
{"GPS_velned", 2, SIGNED, PREDICT(0), ENCODING(SIGNED_VB), CONDITION(ALWAYS)}
};
// GPS home frame
static const blackboxSimpleFieldDefinition_t blackboxGpsHFields[] = {
{"GPS_home", 0, SIGNED, PREDICT(0), ENCODING(SIGNED_VB)},
{"GPS_home", 1, SIGNED, PREDICT(0), ENCODING(SIGNED_VB)}
};
#endif
// Rarely-updated fields
static const blackboxSimpleFieldDefinition_t blackboxSlowFields[] = {
{"flightModeFlags", -1, UNSIGNED, PREDICT(0), ENCODING(UNSIGNED_VB)},
{"stateFlags", -1, UNSIGNED, PREDICT(0), ENCODING(UNSIGNED_VB)},
{"failsafePhase", -1, UNSIGNED, PREDICT(0), ENCODING(TAG2_3S32)},
{"rxSignalReceived", -1, UNSIGNED, PREDICT(0), ENCODING(TAG2_3S32)},
{"rxFlightChannelsValid", -1, UNSIGNED, PREDICT(0), ENCODING(TAG2_3S32)},
{"hwHealthStatus", -1, UNSIGNED, PREDICT(0), ENCODING(UNSIGNED_VB)},
{"powerSupplyImpedance", -1, UNSIGNED, PREDICT(0), ENCODING(UNSIGNED_VB)},
{"sagCompensatedVBat", -1, UNSIGNED, PREDICT(0), ENCODING(UNSIGNED_VB)},
{"wind", 0, SIGNED, PREDICT(0), ENCODING(SIGNED_VB)},
{"wind", 1, SIGNED, PREDICT(0), ENCODING(SIGNED_VB)},
{"wind", 2, SIGNED, PREDICT(0), ENCODING(SIGNED_VB)},
#if defined(USE_RX_MSP) && defined(USE_MSP_RC_OVERRIDE)
{"mspOverrideFlags", -1, UNSIGNED, PREDICT(0), ENCODING(UNSIGNED_VB)},
#endif
{"IMUTemperature", -1, SIGNED, PREDICT(0), ENCODING(SIGNED_VB)},
#ifdef USE_BARO
{"baroTemperature", -1, SIGNED, PREDICT(0), ENCODING(SIGNED_VB)},
#endif
#ifdef USE_TEMPERATURE_SENSOR
{"sens0Temp", -1, SIGNED, PREDICT(0), ENCODING(SIGNED_VB)},
{"sens1Temp", -1, SIGNED, PREDICT(0), ENCODING(SIGNED_VB)},
{"sens2Temp", -1, SIGNED, PREDICT(0), ENCODING(SIGNED_VB)},
{"sens3Temp", -1, SIGNED, PREDICT(0), ENCODING(SIGNED_VB)},
{"sens4Temp", -1, SIGNED, PREDICT(0), ENCODING(SIGNED_VB)},
{"sens5Temp", -1, SIGNED, PREDICT(0), ENCODING(SIGNED_VB)},
{"sens6Temp", -1, SIGNED, PREDICT(0), ENCODING(SIGNED_VB)},
{"sens7Temp", -1, SIGNED, PREDICT(0), ENCODING(SIGNED_VB)},
#endif
#ifdef USE_ESC_SENSOR
{"escRPM", -1, UNSIGNED, PREDICT(0), ENCODING(UNSIGNED_VB)},
{"escTemperature", -1, SIGNED, PREDICT(PREVIOUS), ENCODING(SIGNED_VB)},
#endif
{"rxUpdateRate", -1, UNSIGNED, PREDICT(PREVIOUS), ENCODING(UNSIGNED_VB)},
};
typedef enum BlackboxState {
BLACKBOX_STATE_DISABLED = 0,
BLACKBOX_STATE_STOPPED,
BLACKBOX_STATE_PREPARE_LOG_FILE,
BLACKBOX_STATE_SEND_HEADER,
BLACKBOX_STATE_SEND_MAIN_FIELD_HEADER,
BLACKBOX_STATE_SEND_GPS_H_HEADER,
BLACKBOX_STATE_SEND_GPS_G_HEADER,
BLACKBOX_STATE_SEND_SLOW_HEADER,
BLACKBOX_STATE_SEND_SYSINFO,
BLACKBOX_STATE_PAUSED,
BLACKBOX_STATE_RUNNING,
BLACKBOX_STATE_SHUTTING_DOWN
} BlackboxState;
#define BLACKBOX_FIRST_HEADER_SENDING_STATE BLACKBOX_STATE_SEND_HEADER
#define BLACKBOX_LAST_HEADER_SENDING_STATE BLACKBOX_STATE_SEND_SYSINFO
typedef struct blackboxMainState_s {
uint32_t time;
int32_t axisPID_P[XYZ_AXIS_COUNT];
int32_t axisPID_I[XYZ_AXIS_COUNT];
int32_t axisPID_D[XYZ_AXIS_COUNT];
int32_t axisPID_F[XYZ_AXIS_COUNT];
int32_t axisPID_Setpoint[XYZ_AXIS_COUNT];
int32_t mcPosAxisP[XYZ_AXIS_COUNT];
int32_t mcVelAxisPID[4][XYZ_AXIS_COUNT];
int32_t mcVelAxisOutput[XYZ_AXIS_COUNT];
int32_t mcSurfacePID[3];
int32_t mcSurfacePIDOutput;
int32_t fwAltPID[3];
int32_t fwAltPIDOutput;
int32_t fwPosPID[3];
int32_t fwPosPIDOutput;
int16_t rcData[4];
int16_t rcCommand[4];
int16_t gyroADC[XYZ_AXIS_COUNT];
int16_t gyroRaw[XYZ_AXIS_COUNT];
int16_t gyroPeaksRoll[DYN_NOTCH_PEAK_COUNT];
int16_t gyroPeaksPitch[DYN_NOTCH_PEAK_COUNT];
int16_t gyroPeaksYaw[DYN_NOTCH_PEAK_COUNT];
int16_t accADC[XYZ_AXIS_COUNT];
int16_t attitude[XYZ_AXIS_COUNT];
int32_t debug[DEBUG32_VALUE_COUNT];
int16_t motor[MAX_SUPPORTED_MOTORS];
int16_t servo[MAX_SUPPORTED_SERVOS];
uint16_t vbat;
int16_t amperage;
#ifdef USE_BARO
int32_t BaroAlt;
#endif
#ifdef USE_PITOT
int32_t airSpeed;
#endif
#ifdef USE_MAG
int16_t magADC[XYZ_AXIS_COUNT];
#endif
#ifdef USE_RANGEFINDER
int32_t surfaceRaw;
#endif
uint16_t rssi;
int16_t navState;
uint16_t navFlags;
uint16_t navEPH;
uint16_t navEPV;
int32_t navPos[XYZ_AXIS_COUNT];
int16_t navRealVel[XYZ_AXIS_COUNT];
int16_t navAccNEU[XYZ_AXIS_COUNT];
int16_t navTargetVel[XYZ_AXIS_COUNT];
int32_t navTargetPos[XYZ_AXIS_COUNT];
int16_t navHeading;
int16_t navTargetHeading;
int16_t navSurface;
} blackboxMainState_t;
typedef struct blackboxGpsState_s {
int32_t GPS_home[2];
int32_t GPS_coord[2];
uint8_t GPS_numSat;
} blackboxGpsState_t;
// This data is updated really infrequently:
typedef struct blackboxSlowState_s {
uint32_t flightModeFlags; // extend this data size (from uint16_t)
uint32_t stateFlags;
uint8_t failsafePhase;
bool rxSignalReceived;
bool rxFlightChannelsValid;
int32_t hwHealthStatus;
uint16_t powerSupplyImpedance;
uint16_t sagCompensatedVBat;
int16_t wind[XYZ_AXIS_COUNT];
#if defined(USE_RX_MSP) && defined(USE_MSP_RC_OVERRIDE)
uint16_t mspOverrideFlags;
#endif
int16_t imuTemperature;
#ifdef USE_BARO
int16_t baroTemperature;
#endif
#ifdef USE_TEMPERATURE_SENSOR
int16_t tempSensorTemperature[MAX_TEMP_SENSORS];
#endif
#ifdef USE_ESC_SENSOR
uint32_t escRPM;
int8_t escTemperature;
#endif
uint16_t rxUpdateRate;
} __attribute__((__packed__)) blackboxSlowState_t; // We pack this struct so that padding doesn't interfere with memcmp()
//From rc_controls.c
extern boxBitmask_t rcModeActivationMask;
static BlackboxState blackboxState = BLACKBOX_STATE_DISABLED;
static uint32_t blackboxLastArmingBeep = 0;
static uint32_t blackboxLastFlightModeFlags = 0;
static struct {
uint32_t headerIndex;
/* Since these fields are used during different blackbox states (never simultaneously) we can
* overlap them to save on RAM
*/
union {
int fieldIndex;
uint32_t startTime;
} u;
} xmitState;
// Cache for FLIGHT_LOG_FIELD_CONDITION_* test results:
static uint64_t blackboxConditionCache;
STATIC_ASSERT((sizeof(blackboxConditionCache) * 8) >= FLIGHT_LOG_FIELD_CONDITION_LAST, too_many_flight_log_conditions);
static uint32_t blackboxIFrameInterval;
static uint32_t blackboxIteration;
static uint16_t blackboxPFrameIndex;
static uint16_t blackboxIFrameIndex;
static uint16_t blackboxSlowFrameIterationTimer;
static bool blackboxLoggedAnyFrames;
/*
* We store voltages in I-frames relative to this, which was the voltage when the blackbox was activated.
* This helps out since the voltage is only expected to fall from that point and we can reduce our diffs
* to encode:
*/
static uint16_t vbatReference;
static blackboxGpsState_t gpsHistory;
static blackboxSlowState_t slowHistory;
// Keep a history of length 2, plus a buffer for MW to store the new values into
static EXTENDED_FASTRAM blackboxMainState_t blackboxHistoryRing[3];
// These point into blackboxHistoryRing, use them to know where to store history of a given age (0, 1 or 2 generations old)
static EXTENDED_FASTRAM blackboxMainState_t* blackboxHistory[3];
static bool blackboxModeActivationConditionPresent = false;
/**
* Return true if it is safe to edit the Blackbox configuration.
*/
bool blackboxMayEditConfig(void)
{
return blackboxState <= BLACKBOX_STATE_STOPPED;
}
static bool blackboxIsOnlyLoggingIntraframes(void)
{
return blackboxConfig()->rate_num == 1 && blackboxConfig()->rate_denom == blackboxIFrameInterval;
}
static bool testBlackboxConditionUncached(FlightLogFieldCondition condition)
{
switch (condition) {
case FLIGHT_LOG_FIELD_CONDITION_ALWAYS:
return true;
case FLIGHT_LOG_FIELD_CONDITION_MOTORS:
return blackboxIncludeFlag(BLACKBOX_FEATURE_MOTORS);
case FLIGHT_LOG_FIELD_CONDITION_AT_LEAST_MOTORS_1:
case FLIGHT_LOG_FIELD_CONDITION_AT_LEAST_MOTORS_2:
case FLIGHT_LOG_FIELD_CONDITION_AT_LEAST_MOTORS_3:
case FLIGHT_LOG_FIELD_CONDITION_AT_LEAST_MOTORS_4:
case FLIGHT_LOG_FIELD_CONDITION_AT_LEAST_MOTORS_5:
case FLIGHT_LOG_FIELD_CONDITION_AT_LEAST_MOTORS_6:
case FLIGHT_LOG_FIELD_CONDITION_AT_LEAST_MOTORS_7:
case FLIGHT_LOG_FIELD_CONDITION_AT_LEAST_MOTORS_8:
return (getMotorCount() >= condition - FLIGHT_LOG_FIELD_CONDITION_AT_LEAST_MOTORS_1 + 1) && blackboxIncludeFlag(BLACKBOX_FEATURE_MOTORS);
case FLIGHT_LOG_FIELD_CONDITION_SERVOS:
return isMixerUsingServos();
case FLIGHT_LOG_FIELD_CONDITION_NONZERO_PID_D_0:
case FLIGHT_LOG_FIELD_CONDITION_NONZERO_PID_D_1:
case FLIGHT_LOG_FIELD_CONDITION_NONZERO_PID_D_2:
// D output can be set by either the D or the FF term
return pidBank()->pid[condition - FLIGHT_LOG_FIELD_CONDITION_NONZERO_PID_D_0].D != 0;
case FLIGHT_LOG_FIELD_CONDITION_MAG:
#ifdef USE_MAG
return sensors(SENSOR_MAG) && blackboxIncludeFlag(BLACKBOX_FEATURE_MAG);
#else
return false;
#endif
case FLIGHT_LOG_FIELD_CONDITION_BARO:
#ifdef USE_BARO
return sensors(SENSOR_BARO);
#else
return false;
#endif
case FLIGHT_LOG_FIELD_CONDITION_PITOT:
#ifdef USE_PITOT
return sensors(SENSOR_PITOT);
#else
return false;
#endif
case FLIGHT_LOG_FIELD_CONDITION_VBAT:
return feature(FEATURE_VBAT);
case FLIGHT_LOG_FIELD_CONDITION_AMPERAGE:
return feature(FEATURE_CURRENT_METER) && batteryMetersConfig()->current.type == CURRENT_SENSOR_ADC;
case FLIGHT_LOG_FIELD_CONDITION_SURFACE:
#ifdef USE_RANGEFINDER
return sensors(SENSOR_RANGEFINDER);
#else
return false;
#endif
case FLIGHT_LOG_FIELD_CONDITION_FIXED_WING_NAV:
return STATE(FIXED_WING_LEGACY) && blackboxIncludeFlag(BLACKBOX_FEATURE_NAV_PID);
case FLIGHT_LOG_FIELD_CONDITION_MC_NAV:
return !STATE(FIXED_WING_LEGACY) && blackboxIncludeFlag(BLACKBOX_FEATURE_NAV_PID);
case FLIGHT_LOG_FIELD_CONDITION_RSSI:
// Assumes blackboxStart() is called after rxInit(), which should be true since
// logging can't be started until after all the arming checks take place
return getRSSISource() != RSSI_SOURCE_NONE;
case FLIGHT_LOG_FIELD_CONDITION_NOT_LOGGING_EVERY_FRAME:
return blackboxConfig()->rate_num < blackboxConfig()->rate_denom;
case FLIGHT_LOG_FIELD_CONDITION_DEBUG:
return debugMode != DEBUG_NONE;
case FLIGHT_LOG_FIELD_CONDITION_NAV_ACC:
return blackboxIncludeFlag(BLACKBOX_FEATURE_NAV_ACC);
case FLIGHT_LOG_FIELD_CONDITION_NAV_POS:
return blackboxIncludeFlag(BLACKBOX_FEATURE_NAV_POS);
case FLIGHT_LOG_FIELD_CONDITION_ACC:
return blackboxIncludeFlag(BLACKBOX_FEATURE_ACC);
case FLIGHT_LOG_FIELD_CONDITION_ATTITUDE:
return blackboxIncludeFlag(BLACKBOX_FEATURE_ATTITUDE);
case FLIGHT_LOG_FIELD_CONDITION_RC_COMMAND:
return blackboxIncludeFlag(BLACKBOX_FEATURE_RC_COMMAND);
case FLIGHT_LOG_FIELD_CONDITION_RC_DATA:
return blackboxIncludeFlag(BLACKBOX_FEATURE_RC_DATA);
case FLIGHT_LOG_FIELD_CONDITION_GYRO_RAW:
return blackboxIncludeFlag(BLACKBOX_FEATURE_GYRO_RAW);
case FLIGHT_LOG_FIELD_CONDITION_GYRO_PEAKS_ROLL:
return blackboxIncludeFlag(BLACKBOX_FEATURE_GYRO_PEAKS_ROLL);
case FLIGHT_LOG_FIELD_CONDITION_GYRO_PEAKS_PITCH:
return blackboxIncludeFlag(BLACKBOX_FEATURE_GYRO_PEAKS_PITCH);
case FLIGHT_LOG_FIELD_CONDITION_GYRO_PEAKS_YAW:
return blackboxIncludeFlag(BLACKBOX_FEATURE_GYRO_PEAKS_YAW);
case FLIGHT_LOG_FIELD_CONDITION_NEVER:
return false;
default:
return false;
}
}
static void blackboxBuildConditionCache(void)
{
blackboxConditionCache = 0;
for (uint8_t cond = FLIGHT_LOG_FIELD_CONDITION_FIRST; cond <= FLIGHT_LOG_FIELD_CONDITION_LAST; cond++) {
const uint64_t position = ((uint64_t)1) << cond;
if (testBlackboxConditionUncached(cond)) {
blackboxConditionCache |= position;
}
}
}
static bool testBlackboxCondition(FlightLogFieldCondition condition)
{
const uint64_t position = ((uint64_t)1) << condition;
return (blackboxConditionCache & position) != 0;
}
static void blackboxSetState(BlackboxState newState)
{
//Perform initial setup required for the new state
switch (newState) {
case BLACKBOX_STATE_PREPARE_LOG_FILE:
blackboxLoggedAnyFrames = false;
break;
case BLACKBOX_STATE_SEND_HEADER:
blackboxHeaderBudget = 0;
xmitState.headerIndex = 0;
xmitState.u.startTime = millis();
break;
case BLACKBOX_STATE_SEND_MAIN_FIELD_HEADER:
case BLACKBOX_STATE_SEND_GPS_G_HEADER:
case BLACKBOX_STATE_SEND_GPS_H_HEADER:
case BLACKBOX_STATE_SEND_SLOW_HEADER:
xmitState.headerIndex = 0;
xmitState.u.fieldIndex = -1;
break;
case BLACKBOX_STATE_SEND_SYSINFO:
xmitState.headerIndex = 0;
break;
case BLACKBOX_STATE_RUNNING:
blackboxSlowFrameIterationTimer = blackboxSInterval; //Force a slow frame to be written on the first iteration
break;
case BLACKBOX_STATE_SHUTTING_DOWN:
xmitState.u.startTime = millis();
break;
default:
;
}
blackboxState = newState;
}
static void writeIntraframe(void)
{
blackboxMainState_t *blackboxCurrent = blackboxHistory[0];
blackboxWrite('I');
blackboxWriteUnsignedVB(blackboxIteration);
blackboxWriteUnsignedVB(blackboxCurrent->time);
blackboxWriteSignedVBArray(blackboxCurrent->axisPID_Setpoint, XYZ_AXIS_COUNT);
blackboxWriteSignedVBArray(blackboxCurrent->axisPID_P, XYZ_AXIS_COUNT);
blackboxWriteSignedVBArray(blackboxCurrent->axisPID_I, XYZ_AXIS_COUNT);
// Don't bother writing the current D term if the corresponding PID setting is zero
for (int x = 0; x < XYZ_AXIS_COUNT; x++) {
if (testBlackboxCondition(FLIGHT_LOG_FIELD_CONDITION_NONZERO_PID_D_0 + x)) {
blackboxWriteSignedVB(blackboxCurrent->axisPID_D[x]);
}
}
blackboxWriteSignedVBArray(blackboxCurrent->axisPID_F, XYZ_AXIS_COUNT);
if (testBlackboxCondition(CONDITION(FIXED_WING_NAV))) {
blackboxWriteSignedVBArray(blackboxCurrent->fwAltPID, 3);
blackboxWriteSignedVB(blackboxCurrent->fwAltPIDOutput);
blackboxWriteSignedVBArray(blackboxCurrent->fwPosPID, 3);
blackboxWriteSignedVB(blackboxCurrent->fwPosPIDOutput);
}
if (testBlackboxCondition(CONDITION(MC_NAV))) {
blackboxWriteSignedVBArray(blackboxCurrent->mcPosAxisP, XYZ_AXIS_COUNT);
for (int i = 0; i < 4; i++) {
blackboxWriteSignedVBArray(blackboxCurrent->mcVelAxisPID[i], XYZ_AXIS_COUNT);
}
blackboxWriteSignedVBArray(blackboxCurrent->mcVelAxisOutput, XYZ_AXIS_COUNT);
blackboxWriteSignedVBArray(blackboxCurrent->mcSurfacePID, 3);
blackboxWriteSignedVB(blackboxCurrent->mcSurfacePIDOutput);
}
// Write raw stick positions
if (testBlackboxCondition(FLIGHT_LOG_FIELD_CONDITION_RC_DATA)) {
blackboxWriteSigned16VBArray(blackboxCurrent->rcData, 4);
}
// Write roll, pitch and yaw first:
if (testBlackboxCondition(FLIGHT_LOG_FIELD_CONDITION_RC_COMMAND)) {
blackboxWriteSigned16VBArray(blackboxCurrent->rcCommand, 3);
/*
* Write the throttle separately from the rest of the RC data so we can apply a predictor to it.
* Throttle lies in range [minthrottle..maxthrottle]:
*/
blackboxWriteUnsignedVB(blackboxCurrent->rcCommand[THROTTLE] - getThrottleIdleValue());
}
if (testBlackboxCondition(FLIGHT_LOG_FIELD_CONDITION_VBAT)) {
/*
* Our voltage is expected to decrease over the course of the flight, so store our difference from
* the reference:
*
* Write 14 bits even if the number is negative (which would otherwise result in 32 bits)
*/
blackboxWriteUnsignedVB((vbatReference - blackboxCurrent->vbat) & 0x3FFF);
}
if (testBlackboxCondition(FLIGHT_LOG_FIELD_CONDITION_AMPERAGE)) {
// 12bit value directly from ADC
blackboxWriteSignedVB(blackboxCurrent->amperage);
}
#ifdef USE_MAG
if (testBlackboxCondition(FLIGHT_LOG_FIELD_CONDITION_MAG)) {
blackboxWriteSigned16VBArray(blackboxCurrent->magADC, XYZ_AXIS_COUNT);
}
#endif
#ifdef USE_BARO
if (testBlackboxCondition(FLIGHT_LOG_FIELD_CONDITION_BARO)) {
blackboxWriteSignedVB(blackboxCurrent->BaroAlt);
}
#endif
#ifdef USE_PITOT
if (testBlackboxCondition(FLIGHT_LOG_FIELD_CONDITION_PITOT)) {
blackboxWriteSignedVB(blackboxCurrent->airSpeed);
}
#endif
#ifdef USE_RANGEFINDER
if (testBlackboxCondition(FLIGHT_LOG_FIELD_CONDITION_SURFACE)) {
blackboxWriteSignedVB(blackboxCurrent->surfaceRaw);
}
#endif
if (testBlackboxCondition(FLIGHT_LOG_FIELD_CONDITION_RSSI)) {
blackboxWriteUnsignedVB(blackboxCurrent->rssi);
}
blackboxWriteSigned16VBArray(blackboxCurrent->gyroADC, XYZ_AXIS_COUNT);
if (testBlackboxCondition(FLIGHT_LOG_FIELD_CONDITION_GYRO_RAW)) {
blackboxWriteSigned16VBArray(blackboxCurrent->gyroRaw, XYZ_AXIS_COUNT);
}
if (testBlackboxCondition(FLIGHT_LOG_FIELD_CONDITION_GYRO_PEAKS_ROLL)) {
blackboxWriteUnsignedVB(blackboxCurrent->gyroPeaksRoll[0]);
blackboxWriteUnsignedVB(blackboxCurrent->gyroPeaksRoll[1]);
blackboxWriteUnsignedVB(blackboxCurrent->gyroPeaksRoll[2]);
}
if (testBlackboxCondition(FLIGHT_LOG_FIELD_CONDITION_GYRO_PEAKS_PITCH)) {
blackboxWriteUnsignedVB(blackboxCurrent->gyroPeaksPitch[0]);
blackboxWriteUnsignedVB(blackboxCurrent->gyroPeaksPitch[1]);
blackboxWriteUnsignedVB(blackboxCurrent->gyroPeaksPitch[2]);
}
if (testBlackboxCondition(FLIGHT_LOG_FIELD_CONDITION_GYRO_PEAKS_YAW)) {
blackboxWriteUnsignedVB(blackboxCurrent->gyroPeaksYaw[0]);
blackboxWriteUnsignedVB(blackboxCurrent->gyroPeaksYaw[1]);
blackboxWriteUnsignedVB(blackboxCurrent->gyroPeaksYaw[2]);
}
if (testBlackboxCondition(FLIGHT_LOG_FIELD_CONDITION_ACC)) {
blackboxWriteSigned16VBArray(blackboxCurrent->accADC, XYZ_AXIS_COUNT);
}
if (testBlackboxCondition(FLIGHT_LOG_FIELD_CONDITION_ATTITUDE)) {
blackboxWriteSigned16VBArray(blackboxCurrent->attitude, XYZ_AXIS_COUNT);
}
if (testBlackboxCondition(FLIGHT_LOG_FIELD_CONDITION_DEBUG)) {
blackboxWriteSignedVBArray(blackboxCurrent->debug, DEBUG32_VALUE_COUNT);
}
if (testBlackboxCondition(FLIGHT_LOG_FIELD_CONDITION_MOTORS)) {
//Motors can be below minthrottle when disarmed, but that doesn't happen much
blackboxWriteUnsignedVB(blackboxCurrent->motor[0] - getThrottleIdleValue());
//Motors tend to be similar to each other so use the first motor's value as a predictor of the others
const int motorCount = getMotorCount();
for (int x = 1; x < motorCount; x++) {
blackboxWriteSignedVB(blackboxCurrent->motor[x] - blackboxCurrent->motor[0]);
}
}
if (testBlackboxCondition(FLIGHT_LOG_FIELD_CONDITION_SERVOS)) {
for (int x = 0; x < MAX_SUPPORTED_SERVOS; x++) {
//Assume that servos spends most of its time around the center
blackboxWriteSignedVB(blackboxCurrent->servo[x] - 1500);
}
}
blackboxWriteSignedVB(blackboxCurrent->navState);
blackboxWriteSignedVB(blackboxCurrent->navFlags);
/*
* NAV_POS fields
*/
if (testBlackboxCondition(FLIGHT_LOG_FIELD_CONDITION_NAV_POS)) {
blackboxWriteSignedVB(blackboxCurrent->navEPH);
blackboxWriteSignedVB(blackboxCurrent->navEPV);
for (int x = 0; x < XYZ_AXIS_COUNT; x++) {
blackboxWriteSignedVB(blackboxCurrent->navPos[x]);
}
for (int x = 0; x < XYZ_AXIS_COUNT; x++) {
blackboxWriteSignedVB(blackboxCurrent->navRealVel[x]);
}
for (int x = 0; x < XYZ_AXIS_COUNT; x++) {
blackboxWriteSignedVB(blackboxCurrent->navTargetVel[x]);
}
for (int x = 0; x < XYZ_AXIS_COUNT; x++) {
blackboxWriteSignedVB(blackboxCurrent->navTargetPos[x]);
}
blackboxWriteSignedVB(blackboxCurrent->navSurface);
}
if (testBlackboxCondition(FLIGHT_LOG_FIELD_CONDITION_NAV_ACC)) {
for (int x = 0; x < XYZ_AXIS_COUNT; x++) {
blackboxWriteSignedVB(blackboxCurrent->navAccNEU[x]);
}
}
//Rotate our history buffers:
//The current state becomes the new "before" state
blackboxHistory[1] = blackboxHistory[0];
//And since we have no other history, we also use it for the "before, before" state
blackboxHistory[2] = blackboxHistory[0];
//And advance the current state over to a blank space ready to be filled
blackboxHistory[0] = ((blackboxHistory[0] - blackboxHistoryRing + 1) % 3) + blackboxHistoryRing;
blackboxLoggedAnyFrames = true;
}
static void blackboxWriteArrayUsingAveragePredictor16(int arrOffsetInHistory, int count)
{
int16_t *curr = (int16_t*) ((char*) (blackboxHistory[0]) + arrOffsetInHistory);
int16_t *prev1 = (int16_t*) ((char*) (blackboxHistory[1]) + arrOffsetInHistory);
int16_t *prev2 = (int16_t*) ((char*) (blackboxHistory[2]) + arrOffsetInHistory);
for (int i = 0; i < count; i++) {