Files
edgetx-gx12/radio/src/trainer_input.h
T
Raphael Coeffic ebae27272e renamed g_ppmInXXX into ppmInputXXX
g_ppmIns -> ppmInput
g_ppmInputValidityTimer -> ppmInputValidityTimer
2015-07-30 22:43:56 +02:00

90 lines
2.5 KiB
C

/*
* Authors (alphabetical order)
* - Andre Bernet <bernet.andre@gmail.com>
* - Andreas Weitl
* - Bertrand Songis <bsongis@gmail.com>
* - Bryan J. Rentoul (Gruvin) <gruvin@gmail.com>
* - Cameron Weeks <th9xer@gmail.com>
* - Erez Raviv
* - Gabriel Birkus
* - Jean-Pierre Parisy
* - Karl Szmutny
* - Michael Blandford
* - Michal Hlavinka
* - Pat Mackenzie
* - Philip Moss
* - Rob Thomson
* - Romolo Manfredini <romolo.manfredini@gmail.com>
* - Thomas Husterer
*
* opentx is based on code named
* gruvin9x by Bryan J. Rentoul: http://code.google.com/p/gruvin9x/,
* er9x by Erez Raviv: http://code.google.com/p/er9x/,
* and the original (and ongoing) project by
* Thomas Husterer, th9x: http://code.google.com/p/th9x/
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*
* 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.
*
*/
#ifndef trainer_input_h
#define trainer_input_h
#include "myeeprom.h"
// Trainer input channels
extern int16_t ppmInput[NUM_TRAINER];
// Timer gets decremented in per10ms()
#define PPM_IN_VALID_TIMEOUT 100 // 1s
extern uint8_t ppmInputValidityTimer;
#define IS_TRAINER_INPUT_VALID() (ppmInputValidityTimer != 0)
#if defined(CPUARM)
void checkTrainerSignalWarning();
#else
#define checkTrainerSignalWarning()
#endif
// Needs to be inlined to avoid slow function calls in ISR routines
inline void captureTrainerPulses(uint16_t capture)
{
static uint16_t lastCapt=0;
static uint8_t channelNumber=0;
uint16_t val = (uint16_t)(capture - lastCapt) / 2;
lastCapt = capture;
// We process ppmInput right here to make servo movement as smooth as possible
// while under trainee control
//
// G: Prioritize reset pulse. (Needed when less than 16 incoming pulses)
//
if (val>4000 && val<19000) {
channelNumber = 1; // triggered
}
else {
if ((channelNumber > 0) && (channelNumber <= NUM_TRAINER)) {
if (val>800 && val<2200) {
ppmInputValidityTimer = PPM_IN_VALID_TIMEOUT;
ppmInput[channelNumber++ - 1] =
//+-500 != 512, but close enough.
(int16_t)(val - 1500)*(g_eeGeneral.PPM_Multiplier+10)/10;
}
else {
channelNumber = 0; // not triggered
}
}
}
}
#endif