// -*- tab-width: 4; Mode: C++; c-basic-offset: 4; indent-tabs-mode: t -*- /***************************************************************************** The init_ardupilot function processes everything we need for an in - air restart We will determine later if we are actually on the ground and process a ground start in that case. *****************************************************************************/ // Functions called from the top-level menu extern int8_t process_logs(uint8_t argc, const Menu::arg *argv); // in Log.pde extern int8_t setup_mode(uint8_t argc, const Menu::arg *argv); // in setup.pde extern int8_t test_mode(uint8_t argc, const Menu::arg *argv); // in test.cpp // This is the help function // PSTR is an AVR macro to read strings from flash memory // printf_P is a version of print_f that reads from flash memory static int8_t main_menu_help(uint8_t argc, const Menu::arg *argv) { Serial.printf_P(PSTR("Commands:\n" " logs log readback/setup mode\n" " setup setup mode\n" " test test mode\n" "\n" "Move the slide switch and reset to FLY.\n" "\n")); return(0); } // Command/function table for the top-level menu. const struct Menu::command main_menu_commands[] PROGMEM = { // command function called // ======= =============== {"logs", process_logs}, {"setup", setup_mode}, {"test", test_mode}, {"help", main_menu_help} }; // Create the top-level menu object. MENU(main_menu, "ArduPilotMega", main_menu_commands); void init_ardupilot() { byte last_log_num; int last_log_start; int last_log_end; // Console serial port // // The console port buffers are defined to be sufficiently large to support // the console's use as a logging device, optionally as the GPS port when // GPS_PROTOCOL_IMU is selected, and as the telemetry port. // // XXX This could be optimised to reduce the buffer sizes in the cases // where they are not otherwise required. // Serial.begin(SERIAL0_BAUD, 128, 128); // GPS serial port. // // Not used if the IMU/X-Plane GPS is in use. // // XXX currently the EM406 (SiRF receiver) is nominally configured // at 57600, however it's not been supported to date. We should // probably standardise on 38400. // // XXX the 128 byte receive buffer may be too small for NMEA, depending // on the message set configured. // #if GPS_PROTOCOL != GPS_PROTOCOL_IMU Serial1.begin(38400, 128, 16); #endif // Telemetry port. // // Not used if telemetry is going to the console. // // XXX for unidirectional protocols, we could (should) minimize // the receive buffer, and the transmit buffer could also be // shrunk for protocols that don't send large messages. // Serial3.begin(SERIAL3_BAUD, 128, 128); Serial.printf_P(PSTR("\n\nInit ArduPilotMega (unstable development version)" "\n\nFree RAM: %lu\n"), freeRAM()); // // Check the EEPROM format version before loading any parameters from EEPROM. // if (!g.format_version.load() || g.format_version != Parameters::k_format_version) { Serial.printf_P(PSTR("\n\nEEPROM format version %d not compatible with this firmware (requires %d)" "\n\nForcing complete parameter reset..."), g.format_version.get(), Parameters::k_format_version); // erase all parameters AP_Var::erase_all(); // save the new format version g.format_version.set_and_save(Parameters::k_format_version); Serial.println_P(PSTR("done.")); } else { unsigned long before = micros(); // Load all auto-loaded EEPROM variables AP_Var::load_all(); Serial.printf_P(PSTR("load_all took %luus\n"), micros() - before); Serial.printf_P(PSTR("using %u bytes of memory\n"), AP_Var::get_memory_use()); } init_rc_in(); // sets up rc channels from radio init_rc_out(); // sets up the timer libs init_camera(); adc.Init(); // APM ADC library initialization barometer.Init(); // APM Abs Pressure sensor initialization DataFlash.Init(); // DataFlash log initialization // Do GPS init //g_gps = &GPS; g_gps = &g_gps_driver; g_gps->init(); // GPS Initialization // init the GCS #if GCS_PORT == 3 gcs.init(&Serial3); #else gcs.init(&Serial); #endif if(g.compass_enabled) init_compass(); if(g.sonar_enabled){ sonar.init(SONAR_PIN, &adc); } pinMode(C_LED_PIN, OUTPUT); // GPS status LED pinMode(A_LED_PIN, OUTPUT); // GPS status LED pinMode(B_LED_PIN, OUTPUT); // GPS status LED pinMode(SLIDE_SWITCH_PIN, INPUT); // To enter interactive mode pinMode(PUSHBUTTON_PIN, INPUT); // unused DDRL |= B00000100; // Set Port L, pin 2 to output for the relay // If the switch is in 'menu' mode, run the main menu. // // Since we can't be sure that the setup or test mode won't leave // the system in an odd state, we don't let the user exit the top // menu; they must reset in order to fly. // if (digitalRead(SLIDE_SWITCH_PIN) == 0) { digitalWrite(A_LED_PIN,HIGH); // turn on setup-mode LED Serial.printf_P(PSTR("\n" "Entering interactive setup mode...\n" "\n" "If using the Arduino Serial Monitor, ensure Line Ending is set to Carriage Return.\n" "Type 'help' to list commands, 'exit' to leave a submenu.\n" "Visit the 'setup' menu for first-time configuration.\n")); for (;;) { Serial.println_P(PSTR("\nMove the slide switch and reset to FLY.\n")); main_menu.run(); } } if(g.log_bitmask > 0){ // TODO - Here we will check on the length of the last log // We don't want to create a bunch of little logs due to powering on and off last_log_num = get_num_logs(); start_new_log(last_log_num); } // read in the flight switches update_servo_switches(); // read in the flight switches //update_servo_switches(); //imu.init_gyro(IMU::WARM_START); // offsets are loaded from EEPROM startup_ground(); if (g.log_bitmask & MASK_LOG_CMD) Log_Write_Startup(TYPE_GROUNDSTART_MSG); // set the correct flight mode // --------------------------- reset_control_switch(); } //******************************************************************************** //This function does all the calibrations, etc. that we need during a ground start //******************************************************************************** void startup_ground(void) { gcs.send_text(SEVERITY_LOW," GROUND START"); #if(GROUND_START_DELAY > 0) gcs.send_text(SEVERITY_LOW," With Delay"); delay(GROUND_START_DELAY * 1000); #endif setup_show(NULL,NULL); // Output waypoints for confirmation // -------------------------------- for(int i = 1; i < g.waypoint_total + 1; i++) { gcs.send_message(MSG_COMMAND_LIST, i); } // Warm up and read Gyro offsets // ----------------------------- imu.init_gyro(); report_imu(); // read the radio to set trims // --------------------------- trim_radio(); if (g.log_bitmask & MASK_LOG_CMD) Log_Write_Startup(TYPE_GROUNDSTART_MSG); // read Baro pressure at ground //----------------------------- init_pressure_ground(); // initialize commands // ------------------- init_commands(); gcs.send_text(SEVERITY_LOW,"\n\n Ready to FLY."); } void set_mode(byte mode) { if(control_mode == mode){ // don't switch modes if we are already in the correct mode. return; } control_mode = mode; control_mode = constrain(control_mode, 0, NUM_MODES - 1); // used to stop fly_aways if(g.rc_1.control_in == 0){ // we are on the ground is this is true // disarm motors temp motor_auto_safe = false; } //send_message(SEVERITY_LOW,"control mode"); //Serial.printf("set mode: %d old: %d\n", (int)mode, (int)control_mode); switch(control_mode) { case ACRO: break; case STABILIZE: set_current_loc_here(); break; case ALT_HOLD: set_current_loc_here(); break; case AUTO: update_auto(); break; case POSITION_HOLD: set_current_loc_here(); break; case RTL: return_to_launch(); break; case TAKEOFF: break; case LAND: break; default: break; } // output control mode to the ground station gcs.send_message(MSG_MODE_CHANGE); if (g.log_bitmask & MASK_LOG_MODE) Log_Write_Mode(control_mode); } void set_failsafe(boolean mode) { // only act on changes // ------------------- if(failsafe != mode){ // store the value so we don't trip the gate twice // ----------------------------------------------- failsafe = mode; if (failsafe == false){ // We're back in radio contact // --------------------------- // re-read the switch so we can return to our preferred mode reset_control_switch(); // Reset control integrators // --------------------- reset_I(); }else{ // We've lost radio contact // ------------------------ // nothing to do right now } // Let the user know what's up so they can override the behavior // ------------------------------------------------------------- failsafe_event(); } } void update_GPS_light(void) { // GPS LED on if we have a fix or Blink GPS LED if we are receiving data // --------------------------------------------------------------------- switch (g_gps->status()) { case(2): digitalWrite(C_LED_PIN, HIGH); //Turn LED C on when gps has valid fix. break; case(1): if (g_gps->valid_read == true){ GPS_light = !GPS_light; // Toggle light on and off to indicate gps messages being received, but no GPS fix lock if (GPS_light){ digitalWrite(C_LED_PIN, LOW); } else { digitalWrite(C_LED_PIN, HIGH); } g_gps->valid_read = false; } break; default: digitalWrite(C_LED_PIN, LOW); break; } if(motor_armed == true){ motor_light = !motor_light; // blink if(motor_light){ digitalWrite(A_LED_PIN, HIGH); }else{ digitalWrite(A_LED_PIN, LOW); } }else{ if(!motor_light){ motor_light = true; digitalWrite(A_LED_PIN, HIGH); } } } void resetPerfData(void) { /* mainLoop_count = 0; G_Dt_max = 0; gyro_sat_count = 0; adc_constraints = 0; renorm_sqrt_count = 0; renorm_blowup_count = 0; gps_fix_count = 0; perf_mon_timer = millis(); */ } void init_compass() { dcm.set_compass(&compass); bool junkbool = compass.init(); compass.set_orientation(MAGORIENTATION); // set compass's orientation on aircraft Vector3f junkvector = compass.get_offsets(); // load offsets to account for airframe magnetic interference } /* This function gets the current value of the heap and stack pointers. * The stack pointer starts at the top of RAM and grows downwards. The heap pointer * starts just above the static variables etc. and grows upwards. SP should always * be larger than HP or you'll be in big trouble! The smaller the gap, the more * careful you need to be. Julian Gall 6 - Feb - 2009. */ unsigned long freeRAM() { uint8_t * heapptr, * stackptr; stackptr = (uint8_t *)malloc(4); // use stackptr temporarily heapptr = stackptr; // save value of heap pointer free(stackptr); // free up the memory again (sets stackptr to 0) stackptr = (uint8_t *)(SP); // save value of stack pointer return stackptr - heapptr; }