ardupilot/ArducopterNG/Sensors.pde
CaranchoEngineering 9d8ea2563f refactoring of code beginning
git-svn-id: https://arducopter.googlecode.com/svn/trunk@533 f9c3cf11-9bcb-44bc-f272-b75c42450872
2010-09-20 09:38:11 +00:00

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/*
www.ArduCopter.com - www.DIYDrones.com
Copyright (c) 2010. All rights reserved.
An Open Source Arduino based multicopter.
File : Sensors.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/>.
* ************************************************************** */
int readADC(byte channel) {
if (sensorSign[channel] < 0)
return (zeroADC[channel] - APM_ADC.Ch(channel));
else
return (APM_ADC.Ch(channel) - zeroADC[channel]);
}
void calibrateSensors(void) {
int j = 0;
// Take the gyro offset values
for(int i=0;i<300;i++) {
for (channel = GYROZ; channel < LASTSENSOR; channel++) {
rawADC[channel] = APM_ADC.Ch(channel);
zeroADC[channel] = (zeroADC[channel] * 0.8) + (rawADC[channel] * 0.2);
Log_Write_Sensor(rawADC[GYROZ], rawADC[GYROX], rawADC[GYROY], rawADC[ACCELX], rawADC[ACCELY], rawADC[ACCELZ], receiverData[THROTTLE]);
}
delay(5);
// Runnings lights effect to let user know that we are taking mesurements
if(j == 0) {
digitalWrite(LED_Green, HIGH);
digitalWrite(LED_Yellow, LOW);
digitalWrite(LED_Red, LOW);
}
else if (j == 1) {
digitalWrite(LED_Green, LOW);
digitalWrite(LED_Yellow, HIGH);
digitalWrite(LED_Red, LOW);
}
else {
digitalWrite(LED_Green, LOW);
digitalWrite(LED_Yellow, LOW);
digitalWrite(LED_Red, HIGH);
}
if((i % 5) == 0) j++;
if(j >= 3) j = 0;
}
digitalWrite(LED_Green, LOW);
digitalWrite(LED_Yellow, LOW);
digitalWrite(LED_Red, LOW);
}