74 lines
2.0 KiB
C
74 lines
2.0 KiB
C
/*
|
|
* Copyright (C) OpenTX
|
|
*
|
|
* Based on code named
|
|
* th9x - http://code.google.com/p/th9x
|
|
* er9x - http://code.google.com/p/er9x
|
|
* gruvin9x - http://code.google.com/p/gruvin9x
|
|
*
|
|
* License GPLv2: http://www.gnu.org/licenses/gpl-2.0.html
|
|
*
|
|
* 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 "opentx.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 // _TRAINER_INPUT_H_
|