flight/pios/inc/pios_ms56xx.h

   1 /**
   2  ******************************************************************************
   3  * @addtogroup PIOS PIOS Core hardware abstraction layer
   4  * @{
   5  * @addtogroup PIOS_MS5611 MS56XX Functions
   6  * @brief Hardware functions to deal with the altitude pressure sensor
   7  * @{
   8  *
   9  * @file       pios_ms56xx.h
  10  * @author     The OpenPilot Team, http://www.openpilot.org Copyright (C) 2012.
  11  * @brief      MS56XX functions header.
  12  * @see        The GNU Public License (GPL) Version 3
  13  *
  14  *****************************************************************************/
  15 /*
  16  * This program is free software; you can redistribute it and/or modify
  17  * it under the terms of the GNU General Public License as published by
  18  * the Free Software Foundation; either version 3 of the License, or
  19  * (at your option) any later version.
  20  *
  21  * This program is distributed in the hope that it will be useful, but
  22  * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
  23  * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
  24  * for more details.
  25  *
  26  * You should have received a copy of the GNU General Public License along
  27  * with this program; if not, write to the Free Software Foundation, Inc.,
  28  * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
  29  */
  30
  31 #ifndef PIOS_MS56XX_H
  32 #define PIOS_MS56XX_H
  33
  34 #ifdef PIOS_INCLUDE_MS56XX
  35
  36 #include <pios_sensors.h>
  37
  38 enum pios_ms56xx_version {
  39     MS56XX_VERSION_5607 = 0,
  40     MS56XX_VERSION_5611 = 1,
  41     MS56XX_VERSION_5637 = 2,
  42 };
  43
  44 enum pios_ms56xx_osr {
  45     MS56XX_OSR_256  = 0,
  46     MS56XX_OSR_512  = 2,
  47     MS56XX_OSR_1024 = 4,
  48     MS56XX_OSR_2048 = 6,
  49     MS56XX_OSR_4096 = 8,
  50     // Only supported by the ms5637
  51     MS56XX_OSR_8192 = 10
  52 };
  53
  54 struct pios_ms56xx_cfg {
  55     uint8_t address;
  56     enum pios_ms56xx_version version;
  57     enum pios_ms56xx_osr oversampling;
  58 };
  59
  60 /* Public Functions */
  61 extern void PIOS_MS56xx_Init(const struct pios_ms56xx_cfg *cfg, int32_t i2c_device);
  62 extern void PIOS_MS56xx_Register();
  63 extern bool PIOS_MS56xx_Read(float *temperature, float *pressure);
  64
  65 #endif /* PIOS_INCLUDE_MS56XX */
  66
  67 #endif /* PIOS_MS56XX_H */
  68
  69 /**
  70  * @}
  71  * @}
  72  */