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47 lines
1.1 KiB
47 lines
1.1 KiB
/// -*- tab-width: 4; Mode: C++; c-basic-offset: 4; indent-tabs-mode: nil -*- |
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#pragma once |
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#include <AP_HAL/I2CDevice.h> |
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#include <AP_HAL/utility/OwnPtr.h> |
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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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// 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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};
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