mirror of https://github.com/ArduPilot/ardupilot
147 lines
3.6 KiB
Plaintext
147 lines
3.6 KiB
Plaintext
/*
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www.ArduCopter.com - www.DIYDrones.com
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Copyright (c) 2010. All rights reserved.
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An Open Source Arduino based multicopter.
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File : Functions.pde
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Version : v1.0, Aug 28, 2010
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Author(s): ArduCopter Team
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Ted Carancho (aeroquad), Jose Julio, Jordi Muñoz,
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Jani Hirvinen, Ken McEwans, Roberto Navoni,
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Sandro Benigno, Chris Anderson
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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* ************************************************************** *
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ChangeLog:
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30-10-10 added basic camera stabilization functions with jumptables
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* ************************************************************** *
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TODO:
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* ************************************************************** */
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// Flash those A,B,C LEDs on IMU Board
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//
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// Function: FullBlink(int, int);
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// int 1 =
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void FullBlink(int count, int blinkdelay) {
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for(int i = 0; i <= count; i++) {
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digitalWrite(LED_Green, HIGH);
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digitalWrite(LED_Yellow, HIGH);
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digitalWrite(LED_Red, HIGH);
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delay(blinkdelay);
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digitalWrite(LED_Green, LOW);
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digitalWrite(LED_Yellow, LOW);
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digitalWrite(LED_Red, LOW);
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delay(blinkdelay);
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}
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}
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void RunningLights(int LightStep) {
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if(LightStep == 0) {
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digitalWrite(LED_Green, HIGH);
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digitalWrite(LED_Yellow, LOW);
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digitalWrite(LED_Red, LOW);
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}
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else if (LightStep == 1) {
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digitalWrite(LED_Green, LOW);
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digitalWrite(LED_Yellow, HIGH);
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digitalWrite(LED_Red, LOW);
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}
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else {
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digitalWrite(LED_Green, LOW);
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digitalWrite(LED_Yellow, LOW);
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digitalWrite(LED_Red, HIGH);
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}
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}
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void LightsOff() {
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digitalWrite(LED_Green, LOW);
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digitalWrite(LED_Yellow, LOW);
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digitalWrite(LED_Red, LOW);
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}
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// Funtion to normalize an angle in degrees to -180,180 degrees
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float Normalize_angle(float angle)
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{
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if (angle > 180)
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return (angle - 360.0);
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else if (angle < -180)
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return (angle + 360.0);
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else
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return(angle);
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}
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// Maximun slope filter for radio inputs... (limit max differences between readings)
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int channel_filter(int ch, int ch_old)
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{
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int diff_ch_old;
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if (ch_old==0) // ch_old not initialized
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return(ch);
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diff_ch_old = ch - ch_old; // Difference with old reading
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if (diff_ch_old < 0)
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{
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if (diff_ch_old <- 60)
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return(ch_old - 60); // We limit the max difference between readings
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}
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else
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{
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if (diff_ch_old > 60)
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return(ch_old + 60);
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}
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return((ch + ch_old) >> 1); // Small filtering
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//return(ch);
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}
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// Special APM PinMode settings and others
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void APMPinMode(volatile unsigned char &Port, byte Pin, boolean Set)
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{
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if (Set) {
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Port |= (1 << Pin);
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}
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else {
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Port &= ~(1 << Pin);
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}
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}
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boolean APMPinRead(volatile unsigned char &Port, byte Pin)
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{
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if(Port & (1 << Pin))
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return 1;
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else
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return 0;
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}
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// Faster and smaller replacement for contrain() function
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int limitRange(int data, int minLimit, int maxLimit) {
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if (data < minLimit) return minLimit;
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else if (data > maxLimit) return maxLimit;
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else return data;
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}
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//
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// Camera functions moved to event due it's and event 31-10-10, jp
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