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discovery.c
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discovery.c
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/*!******************************************************************
* \file discovery.c
* \brief Ressources of Sens'it Discovery firmware
* \author Sens'it Team
* \copyright Copyright (c) 2018 Sigfox, All Rights Reserved.
*******************************************************************/
/******* INCLUDES **************************************************/
#include "sensit_types.h"
#include "discovery.h"
/******* DEFINES ***************************************************/
#define BATTERY_LVL_MIN 2700 /* 2.7 V */
#define BATTERY_LVL_MAX 4250 /* 4.25 V */
#define BATTERY_LVL_OFFSET 2700 /* 2.7 V */
#define BATTERY_LVL_STEP 50 /* 50 mV */
#define TEMPERATURE_MIN -200 /* -25°C */
#define TEMPERATURE_MAX 823 /* 102.875°C */
#define TEMPERATURE_OFFSET 200 /* 25 °C */
#define HUMIDITY_MAX 200 /* 100% */
/*******************************************************************/
void DISCOVERY_build_payload(discovery_payload_s* payload, discovery_mode_e mode, discovery_data_s* data)
{
payload->reserved = 0b110;
payload->mode = mode;
payload->button = data->button;
if ( data->battery <= BATTERY_LVL_MIN )
{
payload->battery = (BATTERY_LVL_MIN - BATTERY_LVL_OFFSET)/BATTERY_LVL_STEP;
}
else if ( data->battery >= BATTERY_LVL_MAX )
{
payload->battery = (BATTERY_LVL_MAX - BATTERY_LVL_OFFSET)/BATTERY_LVL_STEP;
}
else
{
payload->battery = (data->battery - BATTERY_LVL_OFFSET)/BATTERY_LVL_STEP;
}
if ( mode == MODE_STANDBY )
{
payload->fw_major = DISCOVERY_VERSION_MAJOR & 0xF;
payload->fw_minorMSB = (DISCOVERY_VERSION_MINOR >> 2) & 0xF;
payload->fw_minorLSB = DISCOVERY_VERSION_MINOR & 0x03;
payload->fw_patch = DISCOVERY_VERSION_PATCH & 0x3F;
}
else if ( mode == MODE_TEMPERATURE )
{
if ( data->temperature < TEMPERATURE_MIN )
{
payload->special_value = (TEMPERATURE_MIN + TEMPERATURE_OFFSET) >> 8;
payload->temperatureLSB = (u8)(TEMPERATURE_MIN + TEMPERATURE_OFFSET);
}
else if ( data->temperature > TEMPERATURE_MAX )
{
payload->special_value = (TEMPERATURE_MAX + TEMPERATURE_OFFSET) >> 8;
payload->temperatureLSB = (u8)(TEMPERATURE_MAX + TEMPERATURE_OFFSET);
}
else
{
payload->special_value = (data->temperature + TEMPERATURE_OFFSET) >> 8;
payload->temperatureLSB = (u8)(data->temperature + TEMPERATURE_OFFSET);
}
if ( data->humidity > HUMIDITY_MAX )
{
payload->humidity = HUMIDITY_MAX;
}
else
{
payload->humidity = data->humidity;
}
}
else if ( mode == MODE_LIGHT )
{
payload->brightnessMSB = (u8)(data->brightness >> 8);
payload->brightnessLSB = (u8)data->brightness;
}
else if ( mode == MODE_DOOR )
{
payload->special_value = data->door;
payload->event_counterMSB = (u8)(data->event_counter >> 8);
payload->event_counterLSB = (u8)data->event_counter;
}
else if ( mode == MODE_VIBRATION )
{
payload->special_value = data->vibration;
payload->event_counterMSB = (u8)(data->event_counter >> 8);
payload->event_counterLSB = (u8)data->event_counter;
}
else if ( mode == MODE_MAGNET )
{
payload->special_value = data->magnet;
payload->event_counterMSB = (u8)(data->event_counter >> 8);
payload->event_counterLSB = (u8)data->event_counter;
}
else if ( mode == MODE_COMPASS )
{
payload->compassMSB = data->compass.z >> 8;
payload->compassLSB = (u8)(data->compass.z);
}
else if ( mode == MODE_FRIDGE )
{
if ( data->temperature < TEMPERATURE_MIN )
{
payload->special_value = (TEMPERATURE_MIN + TEMPERATURE_OFFSET) >> 8;
payload->temperatureLSB = (u8)(TEMPERATURE_MIN + TEMPERATURE_OFFSET);
}
else if ( data->temperature > TEMPERATURE_MAX )
{
payload->special_value = (TEMPERATURE_MAX + TEMPERATURE_OFFSET) >> 8;
payload->temperatureLSB = (u8)(TEMPERATURE_MAX + TEMPERATURE_OFFSET);
}
else
{
payload->special_value = (data->temperature + TEMPERATURE_OFFSET) >> 8;
payload->temperatureLSB = (u8)(data->temperature + TEMPERATURE_OFFSET);
}
if ( data->humidity > HUMIDITY_MAX )
{
payload->humidity = HUMIDITY_MAX;
}
else
{
payload->humidity = data->humidity;
}
payload->fridge_vibration = data->vibration;
payload->fridge_door = data->magnet;
payload->event_counter_fridge = data->event_counter;
}
}
/*******************************************************************/