view Small_CPU/Inc/pressure.h @ 408:2fc08a0d1ec3 Improment_NVM

Bugfix invalid voltage / temperatur after coldstart: In case of a cold start (complete power on / off) the RTE could send devie data before values like voltage or temperature have been measured for the first time. As result the device history data was set to it limits causing a minimal voltage of 2V to be displayed in history memory. Workaround for voltage is to initialize it to 6V at startup but for temperature a default value having no impact to the history memory is not possible
author ideenmodellierer
date Sun, 12 Jan 2020 19:50:14 +0100
parents 4093ac18b25c
children
line wrap: on
line source

/* Define to prevent recursive inclusion -------------------------------------*/
#ifndef PRESSURE_H
#define PRESSURE_H

#include <stdint.h>

uint8_t init_pressure(void);
void pressure_set_offset (float pressureOffset, float temperatureOffset);

uint8_t pressure_update(void);
void pressure_update_alternating(void);

uint8_t is_init_pressure_done(void);

HAL_StatusTypeDef  pressure_sensor_get_pressure_raw(void);
HAL_StatusTypeDef  pressure_sensor_get_temperature_raw(void);
void pressure_calculation(void);

float get_temperature(void);
float get_pressure_mbar(void);
float get_surface_mbar(void);

uint8_t is_surface_pressure_stable(void);
float set_last_surface_pressure_stable(void);

void init_surface_ring(uint8_t force);
void update_surface_pressure(uint8_t call_rhythm_seconds);

uint32_t demo_modify_temperature_and_pressure(int32_t divetime_in_seconds, uint8_t subseconds, float ceiling_mbar);

#endif /* PRESSURE_H */