/** ****************************************************************************** * * @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 */