radio/src/timers.h

   1 /*
   2  * Copyright (C) OpenTX
   3  *
   4  * Based on code named
   5  *   th9x - http://code.google.com/p/th9x
   6  *   er9x - http://code.google.com/p/er9x
   7  *   gruvin9x - http://code.google.com/p/gruvin9x
   8  *
   9  * License GPLv2: http://www.gnu.org/licenses/gpl-2.0.html
  10  *
  11  * This program is free software; you can redistribute it and/or modify
  12  * it under the terms of the GNU General Public License version 2 as
  13  * published by the Free Software Foundation.
  14  *
  15  * This program is distributed in the hope that it will be useful,
  16  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  17  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  18  * GNU General Public License for more details.
  19  */
  20
  21 #ifndef _TIMERS_H_
  22 #define _TIMERS_H_
  23
  24 #include "opentx_types.h"
  25
  26 #define TMR_OFF      0
  27 #define TMR_RUNNING  1
  28 #define TMR_NEGATIVE 2
  29 #define TMR_STOPPED  3
  30
  31 typedef int32_t tmrval_t;
  32 typedef uint32_t tmrstart_t;
  33 typedef int16_t tmrmode_t;
  34 #define TIMER_MAX     (0xffffff/2)
  35
  36 #define TIMER_MIN     (tmrval_t(-TIMER_MAX-1))
  37
  38 struct TimerState {
  39   uint16_t cnt;
  40   uint16_t sum;
  41   uint8_t  state;
  42   tmrval_t  val;
  43   uint8_t  val_10ms;
  44 };
  45
  46 #if defined(TIMERS)
  47 extern TimerState timersStates[TIMERS];
  48 #endif
  49
  50 void timerReset(uint8_t idx);
  51
  52 void timerSet(int idx, int val);
  53
  54 void saveTimers();
  55 void restoreTimers();
  56
  57 void evalTimers(int16_t throttle, uint8_t tick10ms);
  58
  59 extern volatile tmr10ms_t g_tmr10ms;
  60 static inline tmr10ms_t get_tmr10ms()
  61 {
  62   return g_tmr10ms;
  63 }
  64
  65 #endif // _TIMERS_H_