src/main/drivers/compass_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_MAG
  24
  25 #include "build/build_config.h"
  26
  27 #include "common/axis.h"
  28
  29 #include "compass.h"
  30 #include "compass_fake.h"
  31
  32
  33 static int16_t fakeMagData[XYZ_AXIS_COUNT];
  34
  35 static bool fakeMagInit(void)
  36 {
  37     // initially point north
  38     fakeMagData[X] = 4096;
  39     fakeMagData[Y] = 0;
  40     fakeMagData[Z] = 0;
  41     return true;
  42 }
  43
  44 void fakeMagSet(int16_t x, int16_t y, int16_t z)
  45 {
  46     fakeMagData[X] = x;
  47     fakeMagData[Y] = y;
  48     fakeMagData[Z] = z;
  49 }
  50
  51 static bool fakeMagRead(int16_t *magData)
  52 {
  53     magData[X] = fakeMagData[X];
  54     magData[Y] = fakeMagData[Y];
  55     magData[Z] = fakeMagData[Z];
  56     return true;
  57 }
  58
  59 bool fakeMagDetect(magDev_t *mag)
  60 {
  61     mag->init = fakeMagInit;
  62     mag->read = fakeMagRead;
  63     return true;
  64 }
  65 #endif // USE_FAKE_MAG
  66