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ardupilot/Arducopter/SerialCom.pde

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/*
ArduCopter v1.3 - August 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/>.
*/
void readSerialCommand() {
// Check for serial message
if (SerAva()) {
queryType = SerRea();
switch (queryType) {
case 'A': // Stable PID
KP_QUAD_ROLL = readFloatSerial();
KI_QUAD_ROLL = readFloatSerial();
STABLE_MODE_KP_RATE_ROLL = readFloatSerial();
KP_QUAD_PITCH = readFloatSerial();
KI_QUAD_PITCH = readFloatSerial();
STABLE_MODE_KP_RATE_PITCH = readFloatSerial();
KP_QUAD_YAW = readFloatSerial();
KI_QUAD_YAW = readFloatSerial();
STABLE_MODE_KP_RATE_YAW = readFloatSerial();
STABLE_MODE_KP_RATE = readFloatSerial(); // NOT USED NOW
MAGNETOMETER = readFloatSerial();
break;
case 'C': // Receive GPS PID
KP_GPS_ROLL = readFloatSerial();
KI_GPS_ROLL = readFloatSerial();
KD_GPS_ROLL = readFloatSerial();
KP_GPS_PITCH = readFloatSerial();
KI_GPS_PITCH = readFloatSerial();
KD_GPS_PITCH = readFloatSerial();
GPS_MAX_ANGLE = readFloatSerial();
GEOG_CORRECTION_FACTOR = readFloatSerial();
break;
case 'E': // Receive altitude PID
KP_ALTITUDE = readFloatSerial();
KD_ALTITUDE = readFloatSerial();
KI_ALTITUDE = readFloatSerial();
break;
case 'G': // Receive drift correction PID
Kp_ROLLPITCH = readFloatSerial();
Ki_ROLLPITCH = readFloatSerial();
Kp_YAW = readFloatSerial();
Ki_YAW = readFloatSerial();
break;
case 'I': // Receive sensor offset
gyro_offset_roll = readFloatSerial();
gyro_offset_pitch = readFloatSerial();
gyro_offset_yaw = readFloatSerial();
acc_offset_x = readFloatSerial();
acc_offset_y = readFloatSerial();
acc_offset_z = readFloatSerial();
break;
case 'K': // Spare
break;
case 'M': // Receive debug motor commands
frontMotor = readFloatSerial();
backMotor = readFloatSerial();
rightMotor = readFloatSerial();
leftMotor = readFloatSerial();
motorArmed = readFloatSerial();
break;
case 'O': // Rate Control PID
Kp_RateRoll = readFloatSerial();
Ki_RateRoll = readFloatSerial();
Kd_RateRoll = readFloatSerial();
Kp_RatePitch = readFloatSerial();
Ki_RatePitch = readFloatSerial();
Kd_RatePitch = readFloatSerial();
Kp_RateYaw = readFloatSerial();
Ki_RateYaw = readFloatSerial();
Kd_RateYaw = readFloatSerial();
xmitFactor = readFloatSerial();
break;
case 'W': // Write all user configurable values to EEPROM
writeUserConfig();
break;
case 'Y': // Initialize EEPROM with default values
defaultUserConfig();
break;
case '1': // Receive transmitter calibration values
ch_roll_slope = readFloatSerial();
ch_roll_offset = readFloatSerial();
ch_pitch_slope = readFloatSerial();
ch_pitch_offset = readFloatSerial();
ch_yaw_slope = readFloatSerial();
ch_yaw_offset = readFloatSerial();
ch_throttle_slope = readFloatSerial();
ch_throttle_offset = readFloatSerial();
ch_aux_slope = readFloatSerial();
ch_aux_offset = readFloatSerial();
ch_aux2_slope = readFloatSerial();
ch_aux2_offset = readFloatSerial();
break;
}
}
}
void sendSerialTelemetry() {
float aux_float[3]; // used for sensor calibration
switch (queryType) {
case '=': // Reserved debug command to view any variable from Serial Monitor
/* SerPri("throttle =");
SerPriln(ch_throttle);
SerPri("control roll =");
SerPriln(control_roll-CHANN_CENTER);
SerPri("control pitch =");
SerPriln(control_pitch-CHANN_CENTER);
SerPri("control yaw =");
SerPriln(control_yaw-CHANN_CENTER);
SerPri("front left yaw =");
SerPriln(frontMotor);
SerPri("front right yaw =");
SerPriln(rightMotor);
SerPri("rear left yaw =");
SerPriln(leftMotor);
SerPri("rear right motor =");
SerPriln(backMotor);
SerPriln();
SerPri("current roll rate =");
SerPriln(read_adc(0));
SerPri("current pitch rate =");
SerPriln(read_adc(1));
SerPri("current yaw rate =");
SerPriln(read_adc(2));
SerPri("command rx yaw =");
SerPriln(command_rx_yaw);
SerPriln();
queryType = 'X';*/
SerPri(APM_RC.InputCh(0));
comma();
SerPri(ch_roll_slope);
comma();
SerPri(ch_roll_offset);
comma();
SerPriln(ch_roll);
break;
case 'B': // Send roll, pitch and yaw PID values
SerPri(KP_QUAD_ROLL, 3);
comma();
SerPri(KI_QUAD_ROLL, 3);
comma();
SerPri(STABLE_MODE_KP_RATE_ROLL, 3);
comma();
SerPri(KP_QUAD_PITCH, 3);
comma();
SerPri(KI_QUAD_PITCH, 3);
comma();
SerPri(STABLE_MODE_KP_RATE_PITCH, 3);
comma();
SerPri(KP_QUAD_YAW, 3);
comma();
SerPri(KI_QUAD_YAW, 3);
comma();
SerPri(STABLE_MODE_KP_RATE_YAW, 3);
comma();
SerPri(STABLE_MODE_KP_RATE, 3); // NOT USED NOW
comma();
SerPriln(MAGNETOMETER, 3);
queryType = 'X';
break;
case 'D': // Send GPS PID
SerPri(KP_GPS_ROLL, 3);
comma();
SerPri(KI_GPS_ROLL, 3);
comma();
SerPri(KD_GPS_ROLL, 3);
comma();
SerPri(KP_GPS_PITCH, 3);
comma();
SerPri(KI_GPS_PITCH, 3);
comma();
SerPri(KD_GPS_PITCH, 3);
comma();
SerPri(GPS_MAX_ANGLE, 3);
comma();
SerPriln(GEOG_CORRECTION_FACTOR, 3);
queryType = 'X';
break;
case 'F': // Send altitude PID
SerPri(KP_ALTITUDE, 3);
comma();
SerPri(KI_ALTITUDE, 3);
comma();
SerPriln(KD_ALTITUDE, 3);
queryType = 'X';
break;
case 'H': // Send drift correction PID
SerPri(Kp_ROLLPITCH, 4);
comma();
SerPri(Ki_ROLLPITCH, 7);
comma();
SerPri(Kp_YAW, 4);
comma();
SerPriln(Ki_YAW, 6);
queryType = 'X';
break;
case 'J': // Send sensor offset
SerPri(gyro_offset_roll);
comma();
SerPri(gyro_offset_pitch);
comma();
SerPri(gyro_offset_yaw);
comma();
SerPri(acc_offset_x);
comma();
SerPri(acc_offset_y);
comma();
SerPriln(acc_offset_z);
AN_OFFSET[3] = acc_offset_x;
AN_OFFSET[4] = acc_offset_y;
AN_OFFSET[5] = acc_offset_z;
queryType = 'X';
break;
case 'L': // Spare
RadioCalibration();
queryType = 'X';
break;
case 'N': // Send magnetometer config
queryType = 'X';
break;
case 'P': // Send rate control PID
SerPri(Kp_RateRoll, 3);
comma();
SerPri(Ki_RateRoll, 3);
comma();
SerPri(Kd_RateRoll, 3);
comma();
SerPri(Kp_RatePitch, 3);
comma();
SerPri(Ki_RatePitch, 3);
comma();
SerPri(Kd_RatePitch, 3);
comma();
SerPri(Kp_RateYaw, 3);
comma();
SerPri(Ki_RateYaw, 3);
comma();
SerPri(Kd_RateYaw, 3);
comma();
SerPriln(xmitFactor, 3);
queryType = 'X';
break;
case 'Q': // Send sensor data
SerPri(read_adc(0));
comma();
SerPri(read_adc(1));
comma();
SerPri(read_adc(2));
comma();
SerPri(read_adc(4));
comma();
SerPri(read_adc(3));
comma();
SerPri(read_adc(5));
comma();
SerPri(err_roll);
comma();
SerPri(err_pitch);
comma();
SerPri(degrees(roll));
comma();
SerPri(degrees(pitch));
comma();
SerPriln(degrees(yaw));
break;
case 'R': // Send raw sensor data
break;
case 'S': // Send all flight data
SerPri(timer-timer_old);
comma();
SerPri(read_adc(0));
comma();
SerPri(read_adc(1));
comma();
SerPri(read_adc(2));
comma();
SerPri(ch_throttle);
comma();
SerPri(control_roll);
comma();
SerPri(control_pitch);
comma();
SerPri(control_yaw);
comma();
SerPri(frontMotor); // Front Motor
comma();
SerPri(backMotor); // Back Motor
comma();
SerPri(rightMotor); // Right Motor
comma();
SerPri(leftMotor); // Left Motor
comma();
SerPri(read_adc(4));
comma();
SerPri(read_adc(3));
comma();
SerPriln(read_adc(5));
break;
case 'T': // Spare
break;
case 'U': // Send receiver values
SerPri(ch_roll); // Aileron
comma();
SerPri(ch_pitch); // Elevator
comma();
SerPri(ch_yaw); // Yaw
comma();
SerPri(ch_throttle); // Throttle
comma();
SerPri(ch_aux); // AUX1 (Mode)
comma();
SerPri(ch_aux2); // AUX2
comma();
SerPri(roll_mid); // Roll MID value
comma();
SerPri(pitch_mid); // Pitch MID value
comma();
SerPriln(yaw_mid); // Yaw MID Value
break;
case 'V': // Spare
break;
case 'X': // Stop sending messages
break;
case '!': // Send flight software version
SerPriln(VER);
queryType = 'X';
break;
case '2': // Send transmitter calibration values
SerPri(ch_roll_slope);
comma();
SerPri(ch_roll_offset);
comma();
SerPri(ch_pitch_slope);
comma();
SerPri(ch_pitch_offset);
comma();
SerPri(ch_yaw_slope);
comma();
SerPri(ch_yaw_offset);
comma();
SerPri(ch_throttle_slope);
comma();
SerPri(ch_throttle_offset);
comma();
SerPri(ch_aux_slope);
comma();
SerPri(ch_aux_offset);
comma();
SerPri(ch_aux2_slope);
comma();
SerPriln(ch_aux2_offset);
queryType = 'X';
break;
case '.': // Modify GPS settings
Serial1.print("$PGCMD,16,0,0,0,0,0*6A\r\n");
break;
}
}
// Used to read floating point values from the serial port
float readFloatSerial() {
byte index = 0;
byte timeout = 0;
char data[128] = "";
do {
if (SerAva() == 0) {
delay(10);
timeout++;
}
else {
data[index] = SerRea();
timeout = 0;
index++;
}
}
while ((data[constrain(index-1, 0, 128)] != ';') && (timeout < 5) && (index < 128));
return atof(data);
}
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