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ardupilot/Arducopter/ArduCopter.h

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/*
ArduCopter 1.3 - Aug 2010
www.ArduCopter.com
Copyright (c) 2010. All rights reserved.
An Open Source Arduino based multicopter.
This program 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.
This program 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 this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include "WProgram.h"
#include "UserConfig.h"
/*******************************************************************/
// ArduPilot Mega specific hardware and software settings
//
// DO NOT EDIT unless you are absolytely sure of your doings.
// User configurable settings are on UserConfig.h
/*******************************************************************/
/* APM Hardware definitions */
#define LED_Yellow 36
#define LED_Red 35
#define LED_Green 37
#define RELE_pin 47
#define SW1_pin 41
#define SW2_pin 40
//#define VDIV1 AN1
//#define VDIV2 AN2
//#define VDIV3 AN3
//#define VDIV4 AN4
//#define AN5
//#define AN6
// Sensor: GYROX, GYROY, GYROZ, ACCELX, ACCELY, ACCELZ
uint8_t sensors[6] = {1, 2, 0, 4, 5, 6}; // For ArduPilot Mega Sensor Shield Hardware
// Sensor: GYROX, GYROY, GYROZ, ACCELX, ACCELY, ACCELZ, MAGX, MAGY, MAGZ
int SENSOR_SIGN[]={
1, -1, -1, // GYROX, GYROY, GYROZ
-1, 1, 1, // ACCELX, ACCELY, ACCELZ
-1, -1, -1}; // MAGNETOX, MAGNETOY, MAGNETOZ
//{-1,1,-1,1,-1,1,-1,-1,-1};
/* APM Hardware definitions, END */
/* General definitions */
#define TRUE 1
#define FALSE 0
#define ON 1
#define OFF 0
// ADC : Voltage reference 3.3v / 12bits(4096 steps) => 0.8mV/ADC step
// ADXL335 Sensitivity(from datasheet) => 330mV/g, 0.8mV/ADC step => 330/0.8 = 412
// Tested value : 408
#define GRAVITY 408 //this equivalent to 1G in the raw data coming from the accelerometer
#define Accel_Scale(x) x*(GRAVITY/9.81)//Scaling the raw data of the accel to actual acceleration in meters for seconds square
#define ToRad(x) (x*0.01745329252) // *pi/180
#define ToDeg(x) (x*57.2957795131) // *180/pi
// IDG500 Sensitivity (from datasheet) => 2.0mV/º/s, 0.8mV/ADC step => 0.8/3.33 = 0.4
// Tested values :
#define Gyro_Gain_X 0.4 //X axis Gyro gain
#define Gyro_Gain_Y 0.41 //Y axis Gyro gain
#define Gyro_Gain_Z 0.41 //Z axis Gyro gain
#define Gyro_Scaled_X(x) x*ToRad(Gyro_Gain_X) //Return the scaled ADC raw data of the gyro in radians for second
#define Gyro_Scaled_Y(x) x*ToRad(Gyro_Gain_Y) //Return the scaled ADC raw data of the gyro in radians for second
#define Gyro_Scaled_Z(x) x*ToRad(Gyro_Gain_Z) //Return the scaled ADC raw data of the gyro in radians for second
/*For debugging purposes*/
#define OUTPUTMODE 1 //If value = 1 will print the corrected data, 0 will print uncorrected data of the gyros (with drift), 2 Accel only data
int AN[6]; //array that store the 6 ADC channels
int AN_OFFSET[6]; //Array that store the Offset of the gyros and accelerometers
int gyro_temp;
float G_Dt=0.02; // Integration time for the gyros (DCM algorithm)
float Accel_Vector[3]= {0, 0, 0}; //Store the acceleration in a vector
float Accel_Vector_unfiltered[3]= {0, 0, 0}; //Store the acceleration in a vector
float Gyro_Vector[3]= {0, 0, 0};//Store the gyros rutn rate in a vector
float Omega_Vector[3]= {0, 0, 0}; //Corrected Gyro_Vector data
float Omega_P[3]= {0, 0, 0};//Omega Proportional correction
float Omega_I[3]= {0, 0, 0};//Omega Integrator
float Omega[3]= {0, 0, 0};
//float Accel_magnitude;
//float Accel_weight;
float errorRollPitch[3]= {0, 0, 0};
float errorYaw[3]= {0, 0, 0};
float errorCourse=0;
float COGX=0; //Course overground X axis
float COGY=1; //Course overground Y axis
float roll=0;
float pitch=0;
float yaw=0;
unsigned int counter=0;
float DCM_Matrix[3][3]= {
{
1,0,0 }
,{
0,1,0 }
,{
0,0,1 }
};
float Update_Matrix[3][3]={
{
0,1,2 }
,{
3,4,5 }
,{
6,7,8 }
}; //Gyros here
float Temporary_Matrix[3][3]={
{
0,0,0 }
,{
0,0,0 }
,{
0,0,0 }
};
// GPS variables
float speed_3d=0;
int GPS_ground_speed=0;
long timer=0; //general porpuse timer
long timer_old;
// Attitude control variables
float command_rx_roll=0; // User commands
float command_rx_roll_old;
float command_rx_roll_diff;
float command_rx_pitch=0;
float command_rx_pitch_old;
float command_rx_pitch_diff;
float command_rx_yaw=0;
float command_rx_yaw_diff;
int control_roll; // PID control results
int control_pitch;
int control_yaw;
float K_aux;
// Attitude PID controls
float roll_I=0;
float roll_D;
float err_roll;
float pitch_I=0;
float pitch_D;
float err_pitch;
float yaw_I=0;
float yaw_D;
float err_yaw;
//Position control
long target_longitude;
long target_lattitude;
byte target_position;
float gps_err_roll;
float gps_err_roll_old;
float gps_roll_D;
float gps_roll_I=0;
float gps_err_pitch;
float gps_err_pitch_old;
float gps_pitch_D;
float gps_pitch_I=0;
float command_gps_roll;
float command_gps_pitch;
//Altitude control
int Initial_Throttle;
int target_sonar_altitude;
int err_altitude;
int err_altitude_old;
float command_altitude;
float altitude_I;
float altitude_D;
// Sonar variables
int Sonar_value=0;
#define SonarToCm(x) (x*1.26) // Sonar raw value to centimeters
int Sonar_Counter=0;
// AP_mode : 1=> Position hold 2=>Stabilization assist mode (normal mode)
byte AP_mode = 2;
// Mode LED timers and variables, used to blink LED_Green
byte gled_status = HIGH;
long gled_timer;
int gled_speed;
long t0;
int num_iter;
float aux_debug;
// Radio definitions
int roll_mid;
int pitch_mid;
int yaw_mid;
int Neutro_yaw;
int ch_roll;
int ch_pitch;
int ch_throttle;
int ch_yaw;
int ch_aux;
int ch_aux2;
int frontMotor;
int backMotor;
int leftMotor;
int rightMotor;
byte motorArmed = 0;
int minThrottle = 0;
// Serial communication
char queryType;
long tlmTimer = 0;
// Arming/Disarming
uint8_t Arming_counter=0;
uint8_t Disarming_counter=0;
/*****************************************************/
// APM Specific Memory variables
// Following variables stored in EEPROM
float KP_QUAD_ROLL;
float KD_QUAD_ROLL;
float KI_QUAD_ROLL;
float KP_QUAD_PITCH;
float KD_QUAD_PITCH;
float KI_QUAD_PITCH;
float KP_QUAD_YAW;
float KD_QUAD_YAW;
float KI_QUAD_YAW;
float STABLE_MODE_KP_RATE;
float KP_GPS_ROLL;
float KD_GPS_ROLL;
float KI_GPS_ROLL;
float KP_GPS_PITCH;
float KD_GPS_PITCH;
float KI_GPS_PITCH;
float GPS_MAX_ANGLE;
float KP_ALTITUDE;
float KD_ALTITUDE;
float KI_ALTITUDE;
int acc_offset_x;
int acc_offset_y;
int acc_offset_z;
int gyro_offset_roll;
int gyro_offset_pitch;
int gyro_offset_yaw;
float Kp_ROLLPITCH;
float Ki_ROLLPITCH;
float Kp_YAW;
float Ki_YAW;
float GEOG_CORRECTION_FACTOR;
int MAGNETOMETER;
float Kp_RateRoll;
float Ki_RateRoll;
float Kd_RateRoll;
float Kp_RatePitch;
float Ki_RatePitch;
float Kd_RatePitch;
float Kp_RateYaw;
float Ki_RateYaw;
float Kd_RateYaw;
float xmitFactor;
// EEPROM storage addresses
#define KP_QUAD_ROLL_ADR 0
#define KD_QUAD_ROLL_ADR 4
#define KI_QUAD_ROLL_ADR 8
#define KP_QUAD_PITCH_ADR 12
#define KD_QUAD_PITCH_ADR 16
#define KI_QUAD_PITCH_ADR 20
#define KP_QUAD_YAW_ADR 24
#define KD_QUAD_YAW_ADR 28
#define KI_QUAD_YAW_ADR 32
#define STABLE_MODE_KP_RATE_ADR 36
#define KP_GPS_ROLL_ADR 40
#define KD_GPS_ROLL_ADR 44
#define KI_GPS_ROLL_ADR 48
#define KP_GPS_PITCH_ADR 52
#define KD_GPS_PITCH_ADR 56
#define KI_GPS_PITCH_ADR 60
#define GPS_MAX_ANGLE_ADR 64
#define KP_ALTITUDE_ADR 68
#define KD_ALTITUDE_ADR 72
#define KI_ALTITUDE_ADR 76
#define acc_offset_x_ADR 80
#define acc_offset_y_ADR 84
#define acc_offset_z_ADR 88
#define gyro_offset_roll_ADR 92
#define gyro_offset_pitch_ADR 96
#define gyro_offset_yaw_ADR 100
#define Kp_ROLLPITCH_ADR 104
#define Ki_ROLLPITCH_ADR 108
#define Kp_YAW_ADR 112
#define Ki_YAW_ADR 116
#define GEOG_CORRECTION_FACTOR_ADR 120
#define MAGNETOMETER_ADR 124
#define XMITFACTOR_ADR 128
#define KP_RATEROLL_ADR 132
#define KI_RATEROLL_ADR 136
#define KD_RATEROLL_ADR 140
#define KP_RATEPITCH_ADR 144
#define KI_RATEPITCH_ADR 148
#define KD_RATEPITCH_ADR 152
#define KP_RATEYAW_ADR 156
#define KI_RATEYAW_ADR 160
#define KD_RATEYAW_ADR 164
#define CHROLL_MID 168
#define CHPITCH_MID 172
#define CHYAW_MID 176
// Utilities for writing and reading from the EEPROM
float readEEPROM(int address) {
union floatStore {
byte floatByte[4];
float floatVal;
} floatOut;
for (int i = 0; i < 4; i++)
floatOut.floatByte[i] = EEPROM.read(address + i);
return floatOut.floatVal;
}
void writeEEPROM(float value, int address) {
union floatStore {
byte floatByte[4];
float floatVal;
} floatIn;
floatIn.floatVal = value;
for (int i = 0; i < 4; i++)
EEPROM.write(address + i, floatIn.floatByte[i]);
}
void readUserConfig() {
KP_QUAD_ROLL = readEEPROM(KP_QUAD_ROLL_ADR);
KD_QUAD_ROLL = readEEPROM(KD_QUAD_ROLL_ADR);
KI_QUAD_ROLL = readEEPROM(KI_QUAD_ROLL_ADR);
KP_QUAD_PITCH = readEEPROM(KP_QUAD_PITCH_ADR);
KD_QUAD_PITCH = readEEPROM(KD_QUAD_PITCH_ADR);
KI_QUAD_PITCH = readEEPROM(KI_QUAD_PITCH_ADR);
KP_QUAD_YAW = readEEPROM(KP_QUAD_YAW_ADR);
KD_QUAD_YAW = readEEPROM(KD_QUAD_YAW_ADR);
KI_QUAD_YAW = readEEPROM(KI_QUAD_YAW_ADR);
STABLE_MODE_KP_RATE = readEEPROM(STABLE_MODE_KP_RATE_ADR);
KP_GPS_ROLL = readEEPROM(KP_GPS_ROLL_ADR);
KD_GPS_ROLL = readEEPROM(KD_GPS_ROLL_ADR);
KI_GPS_ROLL = readEEPROM(KI_GPS_ROLL_ADR);
KP_GPS_PITCH = readEEPROM(KP_GPS_PITCH_ADR);
KD_GPS_PITCH = readEEPROM(KD_GPS_PITCH_ADR);
KI_GPS_PITCH = readEEPROM(KI_GPS_PITCH_ADR);
GPS_MAX_ANGLE = readEEPROM(GPS_MAX_ANGLE_ADR);
KP_ALTITUDE = readEEPROM(KP_ALTITUDE_ADR);
KD_ALTITUDE = readEEPROM(KD_ALTITUDE_ADR);
KI_ALTITUDE = readEEPROM(KI_ALTITUDE_ADR);
acc_offset_x = readEEPROM(acc_offset_x_ADR);
acc_offset_y = readEEPROM(acc_offset_y_ADR);
acc_offset_z = readEEPROM(acc_offset_z_ADR);
gyro_offset_roll = readEEPROM(gyro_offset_roll_ADR);
gyro_offset_pitch = readEEPROM(gyro_offset_pitch_ADR);
gyro_offset_yaw = readEEPROM(gyro_offset_yaw_ADR);
Kp_ROLLPITCH = readEEPROM(Kp_ROLLPITCH_ADR);
Ki_ROLLPITCH = readEEPROM(Ki_ROLLPITCH_ADR);
Kp_YAW = readEEPROM(Kp_YAW_ADR);
Ki_YAW = readEEPROM(Ki_YAW_ADR);
GEOG_CORRECTION_FACTOR = readEEPROM(GEOG_CORRECTION_FACTOR_ADR);
MAGNETOMETER = readEEPROM(MAGNETOMETER_ADR);
Kp_RateRoll = readEEPROM(KP_RATEROLL_ADR);
Ki_RateRoll = readEEPROM(KI_RATEROLL_ADR);
Kd_RateRoll = readEEPROM(KD_RATEROLL_ADR);
Kp_RatePitch = readEEPROM(KP_RATEPITCH_ADR);
Ki_RatePitch = readEEPROM(KI_RATEPITCH_ADR);
Kd_RatePitch = readEEPROM(KD_RATEPITCH_ADR);
Kp_RateYaw = readEEPROM(KP_RATEYAW_ADR);
Ki_RateYaw = readEEPROM(KI_RATEYAW_ADR);
Kd_RateYaw = readEEPROM(KD_RATEYAW_ADR);
xmitFactor = readEEPROM(XMITFACTOR_ADR);
roll_mid = readEEPROM(CHROLL_MID);
pitch_mid = readEEPROM(CHPITCH_MID);
yaw_mid = readEEPROM(CHYAW_MID);
}
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