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41fd921b14
git-svn-id: svn://svn.openpilot.org/OpenPilot/trunk@375 ebee16cc-31ac-478f-84a7-5cbb03baadba
77 lines
2.4 KiB
C
77 lines
2.4 KiB
C
/**
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******************************************************************************
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*
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* @file pios_bmp085.h
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* @author The OpenPilot Team, http://www.openpilot.org Copyright (C) 2010.
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* @brief BMP085 functions header.
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* @see The GNU Public License (GPL) Version 3
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*
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*****************************************************************************/
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/*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
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* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#ifndef PIOS_BMP085_H
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#define PIOS_BMP085_H
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/* BMP085 Addresses */
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#define BMP085_I2C_ADDR 0xEE
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#define BMP085_CALIB_ADDR 0xAA
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#define BMP085_CALIB_LEN 22
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#define BMP085_CTRL_ADDR 0xF4
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#define BMP085_OVERSAMPLING PIOS_BMP085_OVERSAMPLING
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#define BMP085_PRES_ADDR (0x34 + (BMP085_OVERSAMPLING << 6))
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#define BMP085_TEMP_ADDR 0x2E
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#define BMP085_ADC_MSB 0xF6
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#define BMP085_P0 101325
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/* Local Types */
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typedef struct {
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int16_t AC1;
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int16_t AC2;
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int16_t AC3;
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uint16_t AC4;
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uint16_t AC5;
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uint16_t AC6;
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int16_t B1;
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int16_t B2;
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int16_t MB;
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int16_t MC;
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int16_t MD;
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} BMP085CalibDataTypeDef;
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typedef enum {
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PressureConv,
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TemperatureConv
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} ConversionTypeTypeDef;
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/* Global Variables */
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#if defined(PIOS_INCLUDE_FREERTOS)
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extern xSemaphoreHandle PIOS_BMP085_EOC;
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#else
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extern int32_t PIOS_BMP085_EOC;
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#endif
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/* Public Functions */
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extern void PIOS_BMP085_Init(void);
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extern void PIOS_BMP085_StartADC(ConversionTypeTypeDef Type);
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extern void PIOS_BMP085_ReadADC(void);
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extern int16_t PIOS_BMP085_GetTemperature(void);
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extern int32_t PIOS_BMP085_GetPressure(void);
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extern int32_t PIOS_BMP085_Read(uint8_t address, uint8_t *buffer, uint8_t len);
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extern int32_t PIOS_BMP085_Write(uint8_t address, uint8_t buffer);
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#endif /* PIOS_BMP085_H */
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