kopia lustrzana https://github.com/SP8EBC/ParaTNC
52 wiersze
1.3 KiB
C
52 wiersze
1.3 KiB
C
/*
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* nvm.h
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*
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* Created on: Nov 1, 2022
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* Author: mateusz
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*/
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#ifndef NVM_H_
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#define NVM_H_
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#include <stdint.h>
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typedef struct __attribute__((packed)) nvm_measurement_t {
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/**
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* Date-time timestamp in timezone local for a place where station is installed.
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* Mixture of BCD and integer format, this is just sligtly processed RTC registers
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* content.
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* bit 0 - bit 12 === number of minutes starting from midnight (max 1440)
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* bit 13 - bit 21 === days from new year (max 356)
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* bit 25 - bit 31 === years (from 00 to 99, from 2000 up to 2099)
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*/
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uint32_t timestamp;
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/**
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* Temperature represented as 0.1 degrees increment and
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* humidity in 2% steps
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* bit 0 - bit 9 === raw temperature, physical: raw / 10 - 50 (from -50.0 to +52.3)
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* bit 10 - bit 15 === raw humidity, physical: raw * 2 (from 0% to 100%)
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*/
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uint16_t temperature_humidity;
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/**
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* Average windspeed and gust windspeed stored in 0.2m/s increments
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* bit 0 - bit 7 === raw average windspeed, physical: raw / 5 (from 0m/s up to 50m/s)
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*/
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uint16_t wind;
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}nvm_measurement_t;
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typedef enum nvm_state_result_t {
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NVM_UNINITIALIZED,
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NVM_OK,
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NVM_NO_SPACE_LEFT,
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NVM_INIT_ERROR,
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NVM_PGM_ERROR
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}nvm_state_result_t;
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void nvm_measurement_init(void);
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nvm_state_result_t nvm_measurement_store(nvm_measurement_t * data);
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#endif /* NVM_H_ */
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