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82 lines
2.4 KiB
C
82 lines
2.4 KiB
C
/**
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******************************************************************************
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* @addtogroup PIOS PIOS Core hardware abstraction layer
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* @{
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* @addtogroup PIOS_MS5611 MS5611 Functions
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* @brief Hardware functions to deal with the altitude pressure sensor
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* @{
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*
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* @file pios_ms5611.h
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* @author The OpenPilot Team, http://www.openpilot.org Copyright (C) 2012.
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* @brief MS5611 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_MS5611_H
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#define PIOS_MS5611_H
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/* BMP085 Addresses */
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#define MS5611_I2C_ADDR 0x77
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#define MS5611_RESET 0x1E
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#define MS5611_CALIB_ADDR 0xA2 /* First sample is factory stuff */
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#define MS5611_CALIB_LEN 16
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#define MS5611_ADC_READ 0x00
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#define MS5611_PRES_ADDR 0x40
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#define MS5611_TEMP_ADDR 0x50
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#define MS5611_ADC_MSB 0xF6
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#define MS5611_P0 101.3250f
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/* Local Types */
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typedef struct {
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uint16_t C[6];
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} MS5611CalibDataTypeDef;
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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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struct pios_ms5611_cfg {
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uint32_t oversampling;
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};
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enum pios_ms5611_osr {
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MS5611_OSR_256 = 0,
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MS5611_OSR_512 = 2,
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MS5611_OSR_1024 = 4,
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MS5611_OSR_2048 = 6,
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MS5611_OSR_4096 = 8,
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};
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/* Public Functions */
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extern void PIOS_MS5611_Init(const struct pios_ms5611_cfg * cfg, int32_t i2c_device);
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extern int32_t PIOS_MS5611_StartADC(ConversionTypeTypeDef Type);
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extern int32_t PIOS_MS5611_ReadADC(void);
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extern float PIOS_MS5611_GetTemperature(void);
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extern float PIOS_MS5611_GetPressure(void);
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extern int32_t PIOS_MS5611_Test();
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extern int32_t PIOS_MS5611_GetDelay();
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#endif /* PIOS_MS5611_H */
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/**
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* @}
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* @}
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*/
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