2011-12-28 05:32:21 -04:00
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/// -*- tab-width: 4; Mode: C++; c-basic-offset: 4; indent-tabs-mode: nil -*-
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2015-12-01 12:07:15 -04:00
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#pragma once
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2011-11-27 00:42:52 -04:00
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2015-11-30 15:25:00 -04:00
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#include <AP_HAL/I2CDevice.h>
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#include <AP_HAL/utility/OwnPtr.h>
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2015-12-01 12:07:15 -04:00
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#include "AP_Baro_Backend.h"
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class AP_Baro_BMP085 : public AP_Baro_Backend
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{
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public:
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AP_Baro_BMP085(AP_Baro &baro, AP_HAL::OwnPtr<AP_HAL::I2CDevice> dev);
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/* AP_Baro public interface: */
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void update();
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void accumulate(void);
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private:
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void _cmd_read_pressure();
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void _cmd_read_temp();
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bool _read_pressure();
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void _read_temp();
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void _calculate();
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bool _data_ready();
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AP_HAL::OwnPtr<AP_HAL::I2CDevice> _dev;
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uint8_t _instance;
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float _temp_sum;
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float _press_sum;
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uint8_t _count;
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// Boards with no EOC pin: use times instead
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uint32_t _last_press_read_command_time;
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uint32_t _last_temp_read_command_time;
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2011-11-27 00:42:52 -04:00
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// State machine
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uint8_t BMP085_State;
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// Internal calibration registers
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int16_t ac1, ac2, ac3, b1, b2, mb, mc, md;
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uint16_t ac4, ac5, ac6;
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uint32_t _retry_time;
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int32_t _raw_pressure;
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int32_t _raw_temp;
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2011-11-27 00:42:52 -04:00
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};
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