ardupilot/ArducopterNG/Motors.pde

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/*
www.ArduCopter.com - www.DIYDrones.com
Copyright (c) 2010. All rights reserved.
An Open Source Arduino based multicopter.
File : Motors.pde
Version : v1.0, Aug 27, 2010
Author(s): ArduCopter Team
Ted Carancho (aeroquad), Jose Julio, Jordi Muñoz,
Jani Hirvinen, Ken McEwans, Roberto Navoni,
Sandro Benigno, Chris Anderson
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/>.
* ************************************************************** *
ChangeLog:
* ************************************************************** *
TODO:
* ************************************************************** */
// Send output commands to ESC´s
void motor_output()
{
if (ch_throttle < (MIN_THROTTLE + 100)) // If throttle is low we disable yaw (neccesary to arm/disarm motors safely)
control_yaw = 0;
// Quadcopter mix
if (motorArmed == 1) {
#ifdef IsAM
digitalWrite(FR_LED, HIGH); // AM-Mode
#endif
// Quadcopter output mix
rightMotor = constrain(ch_throttle - control_roll + control_yaw, minThrottle, 2000);
leftMotor = constrain(ch_throttle + control_roll + control_yaw, minThrottle, 2000);
frontMotor = constrain(ch_throttle + control_pitch - control_yaw, minThrottle, 2000);
backMotor = constrain(ch_throttle - control_pitch - control_yaw, minThrottle, 2000);
} else { // MOTORS DISARMED
#ifdef IsAM
digitalWrite(FR_LED, LOW); // AM-Mode
#endif
digitalWrite(LED_Green,HIGH); // Ready LED on
rightMotor = MIN_THROTTLE;
leftMotor = MIN_THROTTLE;
frontMotor = MIN_THROTTLE;
backMotor = MIN_THROTTLE;
// Reset_I_Terms();
roll_I = 0; // reset I terms of PID controls
pitch_I = 0;
yaw_I = 0;
// Initialize yaw command to actual yaw when throttle is down...
command_rx_yaw = ToDeg(yaw);
}
//#if MOTORTYPE == PWM
// Send commands to motors
APM_RC.OutputCh(0, rightMotor);
APM_RC.OutputCh(1, leftMotor);
APM_RC.OutputCh(2, frontMotor);
APM_RC.OutputCh(3, backMotor);
// InstantPWM => Force inmediate output on PWM signals
APM_RC.Force_Out0_Out1();
APM_RC.Force_Out2_Out3();
//#elif MOTORTYPE == I2C
//#else
//# error You need to define your motor type on ArduUder.pde file
//#endif
}