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Copter: use angle error instead of absolute angle

This commit is contained in:
Leonard Hall 2015-06-17 22:08:48 +09:00 committed by Randy Mackay
parent 911bee3518
commit 4154ecdf18
1 changed files with 18 additions and 17 deletions
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19
ArduCopter/crash_check.cpp
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@ -15,7 +15,7 @@ void Copter::crash_check()
static uint16_t crash_counter; // number of iterations vehicle may have been crashed
// return immediately if disarmed
if (!motors.armed()) {
if (!motors.armed() || ap.land_complete) {
crash_counter = 0;
return;
}
@ -32,12 +32,17 @@ void Copter::crash_check()
return;
}
// check angles
float lean_max = aparm.angle_max + CRASH_CHECK_ANGLE_DEVIATION_CD;
if (ToDeg(pythagorous2(ahrs.roll, ahrs.pitch)) > lean_max) {
// check for angle error over 30 degrees
const Vector3f angle_error = attitude_control.angle_bf_error();
if (pythagorous2(angle_error.x, angle_error.y) <= 3000.0f) {
crash_counter = 0;
return;
}
// we may be crashing
crash_counter++;
// check if inverted for 2 seconds
// check if crashing for 2 seconds
if (crash_counter >= (CRASH_CHECK_TRIGGER_SEC * MAIN_LOOP_RATE)) {
// log an error in the dataflash
Log_Write_Error(ERROR_SUBSYSTEM_CRASH_CHECK, ERROR_CODE_CRASH_CHECK_CRASH);
@ -46,10 +51,6 @@ void Copter::crash_check()
// disarm motors
init_disarm_motors();
}
}else{
// we are not inverted so reset counter
crash_counter = 0;
}
}
#if PARACHUTE == ENABLED