src/main/drivers/barometer/barometer_fake.c

   1 /*
   2  * This file is part of Cleanflight.
   3  *
   4  * Cleanflight is free software: you can redistribute it and/or modify
   5  * it under the terms of the GNU General Public License as published by
   6  * the Free Software Foundation, either version 3 of the License, or
   7  * (at your option) any later version.
   8  *
   9  * Cleanflight is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12  * GNU General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU General Public License
  15  * along with Cleanflight.  If not, see <http://www.gnu.org/licenses/>.
  16  */
  17
  18 #include <stdbool.h>
  19 #include <stdint.h>
  20
  21 #include <platform.h>
  22
  23 #ifdef USE_FAKE_BARO
  24
  25 #include "common/utils.h"
  26 #include "drivers/barometer/barometer.h"
  27 #include "drivers/barometer/barometer_fake.h"
  28
  29
  30 static int32_t fakePressure;
  31 static int32_t fakeTemperature;
  32
  33
  34 static bool fakeBaroStartGet(baroDev_t * baro)
  35 {
  36     UNUSED(baro);
  37     return true;
  38 }
  39
  40 static bool fakeBaroCalculate(baroDev_t * baro, int32_t *pressure, int32_t *temperature)
  41 {
  42     UNUSED(baro);
  43     if (pressure)
  44         *pressure = fakePressure;
  45     if (temperature)
  46         *temperature = fakeTemperature;
  47     return true;
  48 }
  49
  50 void fakeBaroSet(int32_t pressure, int32_t temperature)
  51 {
  52     fakePressure = pressure;
  53     fakeTemperature = temperature;
  54 }
  55
  56 bool fakeBaroDetect(baroDev_t *baro)
  57 {
  58     fakePressure = 0;    // pressure in Pa (0m MSL)
  59     fakeTemperature = 0;   // temperature in 0.01 C = 25 deg
  60
  61     // these are dummy as temperature is measured as part of pressure
  62     baro->ut_delay = 0;
  63     baro->get_ut = fakeBaroStartGet;
  64     baro->start_ut = fakeBaroStartGet;
  65
  66     // only _up part is executed, and gets both temperature and pressure
  67     baro->up_delay = 1000;
  68     baro->start_up = fakeBaroStartGet;
  69     baro->get_up = fakeBaroStartGet;
  70     baro->calculate = fakeBaroCalculate;
  71
  72     return true;
  73 }
  74 #endif // USE_FAKE_BARO
  75