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LibrePilot/flight/PiOS/inc/pios_bmp085.h

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/**
******************************************************************************
*
* @file pios_bmp085.h
* @author The OpenPilot Team, http://www.openpilot.org Copyright (C) 2009.
* @brief BMP085 functions header.
* @see The GNU Public License (GPL) Version 3
*
*****************************************************************************/
/*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 3 of the License, or
* (at your option) any later version.
*
* 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.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#ifndef PIOS_BMP085_H
#define PIOS_BMP085_H
/* BMP085 Addresses */
#define BMP085_I2C_ADDR (0xEF >> 1)
#define BMP085_CALIB_ADDR 0xAA
#define BMP085_CALIB_LEN 22
#define BMP085_CTRL_ADDR 0xF4
#define BMP085_OVERSAMPLING 0
#define BMP085_PRES_ADDR (0x34 + (BMP085_OVERSAMPLING << 6))
#define BMP085_TEMP_ADDR 0x2E
#define BMP085_ADC_MSB 0xF6
#define BMP085_ADC_LSB 0xF7
#define BMP085_P0 101325
/* Local Types */
typedef struct {
uint16_t AC1;
uint16_t AC2;
uint16_t AC3;
uint16_t AC4;
uint16_t AC5;
uint16_t AC6;
uint16_t B1;
uint16_t B2;
uint16_t MB;
uint16_t MC;
uint16_t MD;
} BMP085CalibDataTypeDef;
typedef enum {
Pressure,
Temperature
} ConversionTypeTypeDef;
/* Public Functions */
void PIOS_BMP085_Init(void);
void PIOS_BMP085_StartADC(ConversionTypeTypeDef Type);
void PIOS_BMP085_ReadADC(void);
void PIOS_BMP085_GetValues(uint16_t *Pressure, uint16_t *Altitude, uint16_t *Temperature);
int32_t PIOS_BMP085_Read(uint16_t address, uint8_t *buffer, uint8_t len);
int32_t PIOS_BMP085_Write(uint16_t address, uint8_t *buffer, uint8_t len);
#endif /* PIOS_BMP085_H */