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Arducopter

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upped nav max to 32deg from 30
renamed calc_desired_speed to get_desired_speed
Added get_desired_climb_rate function to do smooth transitions in altitude
modified get_altitude_error to override the older altitude manager.
This commit is contained in:
Jason Short 2012-07-18 22:49:34 -07:00
parent a53a0a51be
commit f29aa0dc25
1 changed files with 24 additions and 11 deletions
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35
ArduCopter/navigation.pde
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@ -124,7 +124,7 @@ static void calc_loiter(int x_error, int y_error)
}
output = p + i + d;
nav_lon = constrain(output, -3000, 3000); // 30°
nav_lon = constrain(output, -3200, 3200);
#if LOGGING_ENABLED == ENABLED
// log output if PID logging is on and we are tuning the yaw
@ -161,7 +161,7 @@ static void calc_loiter(int x_error, int y_error)
}
output = p + i + d;
nav_lat = constrain(output, -3000, 3000); // 30°
nav_lat = constrain(output, -3200, 3200);
#if LOGGING_ENABLED == ENABLED
// log output if PID logging is on and we are tuning the yaw
@ -199,9 +199,9 @@ static void calc_nav_rate(int16_t max_speed)
// East / West
// calculate rate error
#if INERTIAL_NAV == ENABLED
x_rate_error = x_target_speed - accels_velocity.x; // calc the speed error
x_rate_error = x_target_speed - accels_velocity.x;
#else
x_rate_error = x_target_speed - x_actual_speed; // 413
x_rate_error = x_target_speed - x_actual_speed;
#endif
x_rate_error = constrain(x_rate_error, -1000, 1000);
@ -210,15 +210,15 @@ static void calc_nav_rate(int16_t max_speed)
if(x_target_speed < 0) tilt = -tilt;
nav_lon += tilt;
nav_lon = constrain(nav_lon, -3000, 3000);
nav_lon = constrain(nav_lon, -3200, 3200);
// North / South
// calculate rate error
#if INERTIAL_NAV == ENABLED
y_rate_error = y_target_speed - accels_velocity.y; // calc the speed error
y_rate_error = y_target_speed - accels_velocity.y;
#else
y_rate_error = y_target_speed - y_actual_speed; // 413
y_rate_error = y_target_speed - y_actual_speed;
#endif
y_rate_error = constrain(y_rate_error, -1000, 1000); // added a rate error limit to keep pitching down to a minimum
@ -227,7 +227,7 @@ static void calc_nav_rate(int16_t max_speed)
if(y_target_speed < 0) tilt = -tilt;
nav_lat += tilt;
nav_lat = constrain(nav_lat, -3000, 3000);
nav_lat = constrain(nav_lat, -3200, 3200);
// copy over I term to Loiter_Rate
g.pid_loiter_rate_lon.set_integrator(g.pid_nav_lon.get_integrator());
@ -248,7 +248,7 @@ static void calc_loiter_pitch_roll()
auto_pitch = -auto_pitch;
}
static int16_t calc_desired_speed(int16_t max_speed, bool _slow)
static int16_t get_desired_speed(int16_t max_speed, bool _slow)
{
/*
|< WP Radius
@ -278,6 +278,18 @@ static int16_t calc_desired_speed(int16_t max_speed, bool _slow)
return max_speed;
}
static int16_t get_desired_climb_rate(int16_t speed)
{
if(alt_change_flag == ASCENDING){
return constrain(altitude_error / 4, 65, speed);
}else if(alt_change_flag == DESCENDING){
return constrain(altitude_error / 6, -speed, -10);
}else{
return 0;
}
}
static void update_crosstrack(void)
{
@ -293,7 +305,8 @@ static int32_t get_altitude_error()
// Next_WP alt is our target alt
// It changes based on climb rate
// until it reaches the target_altitude
return next_WP.alt - current_loc.alt;
//return next_WP.alt - current_loc.alt;
return target_altitude - current_loc.alt;
}
static void clear_new_altitude()
@ -353,7 +366,7 @@ static int32_t get_new_altitude()
if(alt_change_flag == ASCENDING){
// we are below, going up
if(current_loc.alt >= target_altitude){
if(current_loc.alt > target_altitude){
alt_change_flag = REACHED_ALT;
}