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annotate Small_CPU/Inc/pressure.h @ 339:37f45300bc2e PressureMeasure_Improvment

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Apply averaging to pressure measurement: In pre versions calculated pressure value jittered +/-10hPa. Since we measure the pressure several time a second but only use one value a second, calc average including not used values Activated pressure / temperature offsets: The functionality to store offsets was already present in the firmware but values have not been apllied in the RTE => added functionality to include offsets in calculation Set Max possible surface pressure to 1070hPa (Black sea level)
author ideenmodellierer
date Sat, 17 Aug 2019 19:03:47 +0200
parents 8e9c502c0b06
children 4093ac18b25c
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1 /* Define to prevent recursive inclusion -------------------------------------*/
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2 #ifndef PRESSURE_H
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3 #define PRESSURE_H
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5 #include <stdint.h>
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7 uint8_t init_pressure(void);
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8 void pressure_set_offset (float pressureOffset, float temperatureOffset);
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10 uint8_t pressure_update(void);
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11 void pressure_update_alternating(void);
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13 uint8_t is_init_pressure_done(void);
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15 HAL_StatusTypeDef pressure_sensor_get_pressure_raw(void);
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16 HAL_StatusTypeDef pressure_sensor_get_temperature_raw(void);
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17 void pressure_calculation(void);
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19 float get_temperature(void);
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20 float get_pressure_mbar(void);
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21 float get_surface_mbar(void);
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23 void init_surface_ring(uint8_t force);
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24 void update_surface_pressure(uint8_t call_rhythm_seconds);
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26 uint32_t demo_modify_temperature_and_pressure(int32_t divetime_in_seconds, uint8_t subseconds, float ceiling_mbar);
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28 #endif /* PRESSURE_H */
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