ardupilot/Tools/ArduTracker/commands_process.pde

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// -*- tab-width: 4; Mode: C++; c-basic-offset: 4; indent-tabs-mode: t -*-
// called by 10 Hz loop
// --------------------
void update_commands(void)
{
// This function loads commands into three buffers
// when a new command is loaded, it is processed with process_XXX()
// ----------------------------------------------------------------
if((home_is_set == FALSE) || (control_mode != AUTO)){
return; // don't do commands
}
if(control_mode == AUTO){
load_next_command();
process_next_command();
}
//verify_must();
//verify_may();
}
void load_next_command()
{
// fetch next command if it's empty
// --------------------------------
if(next_command.id == CMD_BLANK){
next_command = get_wp_with_index(get(PARAM_WP_INDEX)+1);
if(next_command.id != CMD_BLANK){
//SendDebug("MSG <load_next_command> fetch found new cmd from list at index ");
//SendDebug((get(PARAM_WP_INDEX)+1),DEC);
//SendDebug(" with cmd id ");
//SendDebugln(next_command.id,DEC);
}
}
// If the preload failed, return or just Loiter
// generate a dynamic command for RTL
// --------------------------------------------
if(next_command.id == CMD_BLANK){
// we are out of commands!
gcs.send_text(SEVERITY_LOW,"out of commands!");
//SendDebug("MSG <load_next_command> out of commands, get(PARAM_WP_INDEX): ");
//SendDebugln(get(PARAM_WP_INDEX),DEC);
switch (control_mode){
case LAND:
// don't get a new command
break;
default:
next_command = get_LOITER_home_wp();
//SendDebug("MSG <load_next_command> Preload RTL cmd id: ");
//SendDebugln(next_command.id,DEC);
break;
}
}
}
void process_next_command()
{
// these are waypoint/Must commands
// ---------------------------------
if (command_must_index == 0){ // no current command loaded
if (next_command.id >= 0x10 && next_command.id <= 0x1F ){
increment_WP_index();
//save_command_index(); // to Recover from in air Restart
command_must_index = get(PARAM_WP_INDEX);
//SendDebug("MSG <process_next_command> new command_must_id ");
//SendDebug(next_command.id,DEC);
//SendDebug(" index:");
//SendDebugln(command_must_index,DEC);
if (get(PARAM_LOG_BITMASK) & MASK_LOG_CMD)
Log_Write_Cmd(get(PARAM_WP_INDEX), &next_command);
process_must();
}
}
// these are May commands
// ----------------------
if (command_may_index == 0){
if (next_command.id >= 0x20 && next_command.id <= 0x2F ){
increment_WP_index();// this command is from the command list in EEPROM
command_may_index = get(PARAM_WP_INDEX);
//Serial.print("new command_may_index ");
//Serial.println(command_may_index,DEC);
if (get(PARAM_LOG_BITMASK) & MASK_LOG_CMD)
Log_Write_Cmd(get(PARAM_WP_INDEX), &next_command);
process_may();
}
}
// these are do it now commands
// ---------------------------
if (next_command.id >= 0x30){
increment_WP_index();// this command is from the command list in EEPROM
if (get(PARAM_LOG_BITMASK) & MASK_LOG_CMD)
Log_Write_Cmd(get(PARAM_WP_INDEX), &next_command);
process_now();
}
}
/*
These functions implement the waypoint commands.
*/
void process_must()
{
//SendDebug("process must index: ");
//SendDebugln(command_must_index,DEC);
gcs.send_text(SEVERITY_LOW,"New cmd: <process_must>");
gcs.send_message(MSG_COMMAND_LIST, get(PARAM_WP_INDEX));
// clear May indexes
command_may_index = 0;
command_may_ID = 0;
command_must_ID = next_command.id;
// loads the waypoint into Next_WP struct
// --------------------------------------
set_next_WP(&next_command);
// invalidate command so a new one is loaded
// -----------------------------------------
next_command.id = 0;
// reset navigation integrators
// -------------------------
reset_I();
switch(command_must_ID){
case CMD_TAKEOFF: // TAKEOFF!
// pitch in deg, airspeed m/s, throttle %, track WP 1 or 0
takeoff_pitch = (int)next_command.p1 * 100;
takeoff_altitude = (int)next_command.alt;
next_WP.lat = home.lat + 1000; // so we don't have bad calcs
next_WP.lng = home.lng + 1000; // so we don't have bad calcs
takeoff_complete = false; // set flag to use gps ground course during TO. IMU will be doing yaw drift correction
break;
case CMD_WAYPOINT: // Navigate to Waypoint
break;
case CMD_LAND: // LAND to Waypoint
break;
case CMD_LOITER: // Loiter indefinitely
break;
case CMD_LOITER_N_TURNS: // Loiter N Times
loiter_total = next_command.p1 * 360;
break;
case CMD_LOITER_TIME:
loiter_time = millis();
loiter_time_max = next_command.p1 * 10000; // seconds * 10 * 1000
break;
case CMD_RTL:
break;
}
}
void process_may()
{
//Serial.print("process_may cmd# ");
//Serial.println(get(PARAM_WP_INDEX),DEC);
command_may_ID = next_command.id;
// invalidate command so a new one is loaded
// -----------------------------------------
next_command.id = 0;
gcs.send_text(SEVERITY_LOW,"<process_may> New may command loaded:");
gcs.send_message(MSG_COMMAND_LIST, get(PARAM_WP_INDEX));
// do the command
// --------------
switch(command_may_ID){
case CMD_DELAY: // Navigate to Waypoint
delay_start = millis();
delay_timeout = next_command.lat;
break;
case CMD_LAND_OPTIONS: // Land this puppy
gcs.send_text(SEVERITY_LOW,"Landing options set");
// pitch in deg, airspeed m/s, throttle %, track WP 1 or 0
landing_pitch = next_command.lng * 100;
set(PARAM_TRIM_AIRSPEED, next_command.alt * 100);
set(PARAM_TRIM_THROTTLE,next_command.lat);
landing_distance = next_command.p1;
//landing_roll = command.lng;
SendDebug("MSG: throttle_cruise = ");
SendDebugln(get(PARAM_TRIM_THROTTLE),DEC);
break;
default:
break;
}
}
void process_now()
{
const float t5 = 100000.0;
//Serial.print("process_now cmd# ");
//Serial.println(get(PARAM_WP_INDEX),DEC);
byte id = next_command.id;
// invalidate command so a new one is loaded
// -----------------------------------------
next_command.id = 0;
gcs.send_text(SEVERITY_LOW, "<process_now> New now command loaded: ");
gcs.send_message(MSG_COMMAND_LIST, get(PARAM_WP_INDEX));
// do the command
// --------------
switch(id){
//case CMD_AP_MODE:
//next_command.p1 = constrain(next_command.p1, MANUAL, LAND);
//set_mode(next_command.p1);
//break;
case CMD_RESET_INDEX:
init_commands();
break;
case CMD_GETVAR_INDEX:
//
break;
case CMD_SENDVAR_INDEX:
//
break;
case CMD_TELEMETRY:
//
break;
case CMD_AIRSPEED_CRUISE:
set(PARAM_TRIM_AIRSPEED,next_command.p1 * 100);
break;
case CMD_THROTTLE_CRUISE:
set(PARAM_TRIM_THROTTLE,next_command.p1);
break;
case CMD_RESET_HOME:
init_home();
break;
case CMD_KP_GAIN:
pid_index[next_command.p1]->kP(next_command.alt/t5);
pid_index[next_command.p1]->save_gains();
break;
case CMD_KI_GAIN:
pid_index[next_command.p1]->kI(next_command.alt/t5);
pid_index[next_command.p1]->save_gains();
break;
case CMD_KD_GAIN:
pid_index[next_command.p1]->kD(next_command.alt/t5);
pid_index[next_command.p1]->save_gains();
break;
case CMD_KI_MAX:
pid_index[next_command.p1]->imax(next_command.alt/t5);
pid_index[next_command.p1]->save_gains();
break;
case CMD_KFF_GAIN:
{
float val = next_command.alt/t5;
switch(next_command.p1)
{
case CASE_PITCH_COMP: set(PARAM_KFF_PTCHCOMP,val); break;
case CASE_RUDDER_MIX: set(PARAM_KFF_RDDRMIX,val); break;
case CASE_P_TO_T: set(PARAM_KFF_PTCH2THR,val); break;
}
}
break;
case CMD_RADIO_TRIM:
set_radio_trim(next_command.p1,next_command.alt);
break;
case CMD_RADIO_MAX:
set_radio_max(next_command.p1,next_command.alt);
break;
case CMD_RADIO_MIN:
set_radio_min(next_command.p1,next_command.alt);
break;
case CMD_REPEAT:
new_event(&next_command);
break;
case CMD_SERVO:
//Serial.print("CMD_SERVO ");
//Serial.print(next_command.p1,DEC);
//Serial.print(" PWM: ");
//Serial.println(next_command.alt,DEC);
APM_RC.OutputCh(next_command.p1, next_command.alt);
break;
case CMD_INDEX:
command_must_index = 0;
command_may_index = 0;
set(PARAM_WP_INDEX,next_command.p1 - 1);
break;
case CMD_RELAY:
if (next_command.p1 == 0) {
relay_on();
} else if (next_command.p1 == 1) {
relay_off();
}else{
relay_toggle();
}
break;
}
}
// Verify commands
// ---------------
void verify_must()
{
float power;
switch(command_must_ID) {
case CMD_TAKEOFF: // Takeoff!
//Serial.print("verify_must cmd# ");
//Serial.println(command_must_index,DEC);
if (gps.ground_speed > 300){
if(hold_course == -1){
// save our current course to take off
#if MAGNETOMETER == ENABLED
hold_course = dcm.yaw_sensor;
#else
hold_course = gps.ground_course;
#endif
}
}
if(hold_course > -1){
// recalc bearing error with hold_course;
nav_bearing = hold_course;
// recalc bearing error
calc_bearing_error();
}
if (current_loc.alt > (home.alt + takeoff_altitude)) {
command_must_index = 0;
hold_course = -1;
takeoff_complete = true;
}
break;
case CMD_LAND:
// we don't verify landing - we never go to a new Must command after Land.
if ( ((wp_distance > 0) && (wp_distance <= (2*gps.ground_speed/100))) || (current_loc.alt <= next_WP.alt + 300) )
{
land_complete = 1; //Set land_complete if we are within 2 seconds distance or within 3 meters altitude
if(hold_course == -1){
// save our current course to land
//hold_course = yaw_sensor;
// save the course line of the runway to land
hold_course = crosstrack_bearing;
}
}
if(hold_course > -1){
// recalc bearing error with hold_course;
nav_bearing = hold_course;
// recalc bearing error
calc_bearing_error();
}
update_crosstrack();
break;
case CMD_WAYPOINT: // reach a waypoint
hold_course == -1;
update_crosstrack();
if ((wp_distance > 0) && (wp_distance <= get(PARAM_WP_RADIUS))) {
SendDebug("MSG <verify_must: CMD_WAYPOINT> REACHED_WAYPOINT #");
SendDebugln(command_must_index,DEC);
// clear the command queue;
command_must_index = 0;
}
// add in a more complex case
// Doug to do
if(loiter_sum > 300){
gcs.send_text(SEVERITY_MEDIUM,"<verify_must: CMD_WAYPOINT> Missed WP");
command_must_index = 0;
}
break;
case CMD_LOITER_N_TURNS: // LOITER N times
update_loiter();
calc_bearing_error();
if(loiter_sum > loiter_total) {
loiter_total = 0;
gcs.send_text(SEVERITY_LOW,"<verify_must: CMD_LOITER_N_TURNS> LOITER orbits complete ");
// clear the command queue;
command_must_index = 0;
}
break;
case CMD_LOITER_TIME: // loiter N milliseconds
update_loiter();
calc_bearing_error();
if ((millis() - loiter_time) > loiter_time_max) {
gcs.send_text(SEVERITY_LOW,"<verify_must: CMD_LOITER_TIME> LOITER time complete ");
command_must_index = 0;
}
break;
case CMD_RTL:
if (wp_distance <= 30) {
//Serial.println("REACHED_HOME");
command_must_index = 0;
}
break;
case CMD_LOITER: // Just plain LOITER
update_loiter();
calc_bearing_error();
break;
default:
gcs.send_text(SEVERITY_HIGH,"<verify_must: default> No current Must commands");
break;
}
}
void verify_may()
{
switch(command_may_ID) {
case CMD_DELAY:
if ((millis() - delay_start) > delay_timeout){
command_may_index = 0;
delay_timeout = 0;
}
case CMD_LAND_OPTIONS:
if ((wp_distance > 0) && (wp_distance <= landing_distance)) {
//Serial.print("XXX REACHED_WAYPOINT #");
//Serial.println(command_must_index,DEC);
// clear the command queue;
command_may_index = 0;
}
break;
}
}