Merge branch 'dev' of https://github.com/DarkFlippers/unleashed-firmware into xfw-dev

applications/external/unitemp/Sensors.c

@@ -79,7 +79,7 @@ static const SensorType* sensorTypes[] = {&DHT11,  &DHT12_SW,  &DHT20,      &DHT
                                           &Dallas, &AM2320_SW, &AM2320_I2C, &HTU21x,   &AHT10,
                                           &SHT30,  &GXHT30,    &LM75,       &HDC1080,  &BMP180,
                                           &BMP280, &BME280,    &BME680,     &MAX31855, &MAX6675,
-                                          &SCD30};
+                                          &SCD30,  &SCD40};
 
 const SensorType* unitemp_sensors_getTypeFromInt(uint8_t index) {
     if(index > SENSOR_TYPES_COUNT) return NULL;
@@ -624,11 +624,16 @@ UnitempStatus unitemp_sensor_updateData(Sensor* sensor) {
         UNITEMP_DEBUG("Sensor %s update status %d", sensor->name, sensor->status);
     }
 
-    if(app->settings.temp_unit == UT_TEMP_FAHRENHEIT && sensor->status == UT_SENSORSTATUS_OK) {
-        uintemp_celsiumToFarengate(sensor);
-    }
-
     if(sensor->status == UT_SENSORSTATUS_OK) {
+        if(app->settings.heat_index &&
+           ((sensor->type->datatype & (UT_TEMPERATURE | UT_HUMIDITY)) ==
+            (UT_TEMPERATURE | UT_HUMIDITY))) {
+            unitemp_calculate_heat_index(sensor);
+        }
+        if(app->settings.temp_unit == UT_TEMP_FAHRENHEIT) {
+            uintemp_celsiumToFarengate(sensor);
+        }
+
         sensor->temp += sensor->temp_offset / 10.f;
         if(app->settings.pressure_unit == UT_PRESSURE_MM_HG) {
             unitemp_pascalToMmHg(sensor);

applications/external/unitemp/Sensors.h

@@ -119,6 +119,7 @@ typedef struct Sensor {
     char* name;
     //Температура
     float temp;
+    float heat_index;
     //Относительная влажность
     float hum;
     //Атмосферное давление
@@ -334,4 +335,5 @@ const GPIO*
 #include "./sensors/MAX31855.h"
 #include "./sensors/MAX6675.h"
 #include "./sensors/SCD30.h"
+#include "./sensors/SCD40.h"
 #endif

applications/external/unitemp/interfaces/endianness.h

@@ -0,0 +1,60 @@
+//
+// Created by Avilov Vasily on 10.06.2023.
+//
+
+#ifndef FLIPPERZERO_FIRMWARE_ENDIANNESS_H
+#define FLIPPERZERO_FIRMWARE_ENDIANNESS_H
+
+inline static void store16(uint8_t* b, uint16_t i) {
+    memcpy(b, &i, 2);
+}
+
+inline static void store32(uint8_t* b, uint32_t i) {
+    memcpy(b, &i, 4);
+}
+
+inline static uint16_t load16(uint8_t* b) {
+    uint16_t x;
+    memcpy(&x, b, 2);
+    return x;
+}
+
+inline static uint32_t load32(uint8_t* b) {
+    uint32_t x;
+    memcpy(&x, b, 4);
+    return x;
+}
+
+#if BYTE_ORDER == BIG_ENDIAN
+#define htobe16(x) (x)
+#define htobe32(x) (x)
+#define htole16(x) __builtin_bswap16(x)
+#define htole32(x) __builtin_bswap32(x)
+#define be16toh(x) (x)
+#define be32toh(x) (x)
+#define le16toh(x) __builtin_bswap16(x)
+#define le32toh(x) __builtin_bswap32(x)
+#elif BYTE_ORDER == LITTLE_ENDIAN
+#define htobe16(x) __builtin_bswap16(x)
+#define htobe32(x) __builtin_bswap32(x)
+#define htole16(x) (x)
+#define htole32(x) (x)
+#define be16toh(x) __builtin_bswap16(x)
+#define be32toh(x) __builtin_bswap32(x)
+#define le16toh(x) (x)
+#define le32toh(x) (x)
+#else
+#error "What kind of system is this?"
+#endif
+
+#define load16_le(b) (le16toh(load16(b)))
+#define load32_le(b) (le32toh(load32(b)))
+#define store16_le(b, i) (store16(b, htole16(i)))
+#define store32_le(b, i) (store32(b, htole32(i)))
+
+#define load16_be(b) (be16toh(load16(b)))
+#define load32_be(b) (be32toh(load32(b)))
+#define store16_be(b, i) (store16(b, htobe16(i)))
+#define store32_be(b, i) (store32(b, htobe32(i)))
+
+#endif //FLIPPERZERO_FIRMWARE_ENDIANNESS_H

applications/external/unitemp/sensors/SCD30.c

@@ -21,60 +21,9 @@
 
 #include "SCD30.h"
 #include "../interfaces/I2CSensor.h"
+#include "../interfaces/endianness.h"
 //#include <3rdparty/everest/include/everest/kremlin/c_endianness.h>
 
-inline static uint16_t load16(uint8_t* b) {
-    uint16_t x;
-    memcpy(&x, b, 2);
-    return x;
-}
-
-inline static uint32_t load32(uint8_t* b) {
-    uint32_t x;
-    memcpy(&x, b, 4);
-    return x;
-}
-
-inline static void store16(uint8_t* b, uint16_t i) {
-    memcpy(b, &i, 2);
-}
-
-inline static void store32(uint8_t* b, uint32_t i) {
-    memcpy(b, &i, 4);
-}
-
-#if BYTE_ORDER == BIG_ENDIAN
-#define htobe16(x) (x)
-#define htobe32(x) (x)
-#define htole16(x) __builtin_bswap16(x)
-#define htole32(x) __builtin_bswap32(x)
-#define be16toh(x) (x)
-#define be32toh(x) (x)
-#define le16toh(x) __builtin_bswap16(x)
-#define le32toh(x) __builtin_bswap32(x)
-#elif BYTE_ORDER == LITTLE_ENDIAN
-#define htobe16(x) __builtin_bswap16(x)
-#define htobe32(x) __builtin_bswap32(x)
-#define htole16(x) (x)
-#define htole32(x) (x)
-#define be16toh(x) __builtin_bswap16(x)
-#define be32toh(x) __builtin_bswap32(x)
-#define le16toh(x) (x)
-#define le32toh(x) (x)
-#else
-#error "What kind of system is this?"
-#endif
-
-#define load16_le(b) (le16toh(load16(b)))
-#define load32_le(b) (le32toh(load32(b)))
-#define store16_le(b, i) (store16(b, htole16(i)))
-#define store32_le(b, i) (store32(b, htole32(i)))
-
-#define load16_be(b) (be16toh(load16(b)))
-#define load32_be(b) (be32toh(load32(b)))
-#define store16_be(b, i) (store16(b, htobe16(i)))
-#define store32_be(b, i) (store32(b, htobe32(i)))
-
 typedef union {
     uint16_t array16[2];
     uint8_t array8[4];

applications/external/unitemp/sensors/SCD40.c

@@ -0,0 +1,291 @@
+/*
+    Unitemp - Universal temperature reader
+    Copyright (C) 2022-2023  Victor Nikitchuk (https://github.com/quen0n)
+    Contributed by divinebird (https://github.com/divinebird)
+
+    This program is free software: you can redistribute it and/or modify
+    it under the terms of the GNU General Public License as published by
+    the Free Software Foundation, either version 3 of the License, or
+    (at your option) any later version.
+
+    This program is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU General Public License for more details.
+
+    You should have received a copy of the GNU General Public License
+    along with this program.  If not, see <https://www.gnu.org/licenses/>.
+*/
+
+// Some information may be seen on https://github.com/sparkfun/SparkFun_SCD30_Arduino_Library
+
+#include "SCD30.h"
+#include "../interfaces/I2CSensor.h"
+#include "../interfaces/endianness.h"
+//#include <3rdparty/everest/include/everest/kremlin/c_endianness.h>
+
+bool unitemp_SCD40_alloc(Sensor* sensor, char* args);
+bool unitemp_SCD40_init(Sensor* sensor);
+bool unitemp_SCD40_deinit(Sensor* sensor);
+UnitempStatus unitemp_SCD40_update(Sensor* sensor);
+bool unitemp_SCD40_free(Sensor* sensor);
+
+const SensorType SCD40 = {
+    .typename = "SCD40",
+    .interface = &I2C,
+    .datatype = UT_DATA_TYPE_TEMP_HUM_CO2,
+    .pollingInterval = 5000,
+    .allocator = unitemp_SCD40_alloc,
+    .mem_releaser = unitemp_SCD40_free,
+    .initializer = unitemp_SCD40_init,
+    .deinitializer = unitemp_SCD40_deinit,
+    .updater = unitemp_SCD40_update};
+
+#define SCD40_ID 0x62
+
+#define COMMAND_START_PERIODIC_MEASUREMENT 0X21B1
+#define COMMAND_READ_MEASUREMENT 0XEC05
+#define COMMAND_STOP_PERIODIC_MEASUREMENT 0X3F86
+
+#define COMMAND_PERSIST_SETTINGS 0X3615
+#define COMMAND_GET_SERIAL_NUMBER 0X3682
+#define COMMAND_PERFORM_SELF_TEST 0X3639
+#define COMMAND_PERFORM_FACTORY_RESET 0X3632
+#define COMMAND_REINIT 0X3646
+
+#define COMMAND_SET_TEMPERATURE_OFFSET 0X241D
+#define COMMAND_GET_TEMPERATURE_OFFSET 0X2318
+#define COMMAND_SET_SENSOR_ALTITUDE 0X2427
+#define COMMAND_GET_SENSOR_ALTITUDE 0X2322
+#define COMMAND_SET_AMBIENT_PRESSURE 0XE000
+#define COMMAND_PERFORM_FORCED_RECALIBRATION 0X362F
+#define COMMAND_SET_AUTOMATIC_SELF_CALIBRATION_ENABLED 0X2416
+#define COMMAND_GET_AUTOMATIC_SELF_CALIBRATION_ENABLED 0X2313
+
+static bool readMeasurement(Sensor* sensor) __attribute__((unused));
+static void reset(Sensor* sensor) __attribute__((unused));
+
+static bool setAutoSelfCalibration(Sensor* sensor, bool enable) __attribute__((unused));
+static bool getAutoSelfCalibration(Sensor* sensor) __attribute__((unused));
+
+static bool getFirmwareVersion(Sensor* sensor, uint16_t* val) __attribute__((unused));
+
+static float getTemperatureOffset(Sensor* sensor) __attribute__((unused));
+static bool setTemperatureOffset(Sensor* sensor, float tempOffset) __attribute__((unused));
+
+static bool beginMeasuring(Sensor* sensor) __attribute__((unused));
+static bool stopMeasurement(Sensor* sensor) __attribute__((unused));
+
+bool unitemp_SCD40_alloc(Sensor* sensor, char* args) {
+    UNUSED(args);
+    I2CSensor* i2c_sensor = (I2CSensor*)sensor->instance;
+
+    i2c_sensor->minI2CAdr = SCD40_ID << 1;
+    i2c_sensor->maxI2CAdr = SCD40_ID << 1;
+    return true;
+}
+
+bool unitemp_SCD40_free(Sensor* sensor) {
+    //Нечего высвобождать, так как ничего не было выделено
+    UNUSED(sensor);
+    return true;
+}
+
+bool unitemp_SCD40_init(Sensor* sensor) {
+    return beginMeasuring(sensor);
+}
+
+bool unitemp_SCD40_deinit(Sensor* sensor) {
+    return stopMeasurement(sensor);
+}
+
+UnitempStatus unitemp_SCD40_update(Sensor* sensor) {
+    readMeasurement(sensor);
+    return UT_SENSORSTATUS_OK;
+}
+
+#define CRC8_POLYNOMIAL 0x31
+#define CRC8_INIT 0xFF
+
+static uint8_t computeCRC8(uint8_t* message, uint8_t len) {
+    uint8_t crc = CRC8_INIT; // Init with 0xFF
+    for(uint8_t x = 0; x < len; x++) {
+        crc ^= message[x]; // XOR-in the next input byte
+        for(uint8_t i = 0; i < 8; i++) {
+            if((crc & 0x80) != 0)
+                crc = (uint8_t)((crc << 1) ^ CRC8_POLYNOMIAL);
+            else
+                crc <<= 1;
+        }
+    }
+    return crc; // No output reflection
+}
+
+// Sends a command along with arguments and CRC
+static bool sendCommandWithCRC(Sensor* sensor, uint16_t command, uint16_t arguments) {
+    static const uint8_t cmdSize = 5;
+
+    uint8_t bytes[cmdSize];
+    uint8_t* pointer = bytes;
+    store16_be(pointer, command);
+    pointer += 2;
+    uint8_t* argPos = pointer;
+    store16_be(pointer, arguments);
+    pointer += 2;
+    *pointer = computeCRC8(argPos, pointer - argPos);
+
+    I2CSensor* i2c_sensor = (I2CSensor*)sensor->instance;
+    return unitemp_i2c_writeArray(i2c_sensor, cmdSize, bytes);
+}
+
+// Sends just a command, no arguments, no CRC
+static bool sendCommand(Sensor* sensor, uint16_t command) {
+    static const uint8_t cmdSize = 2;
+
+    uint8_t bytes[cmdSize];
+    store16_be(bytes, command);
+
+    I2CSensor* i2c_sensor = (I2CSensor*)sensor->instance;
+    return unitemp_i2c_writeArray(i2c_sensor, cmdSize, bytes);
+}
+
+static uint16_t readRegister(Sensor* sensor, uint16_t registerAddress) {
+    static const uint8_t regSize = 2;
+
+    if(!sendCommand(sensor, registerAddress)) return 0; // Sensor did not ACK
+
+    furi_delay_ms(3);
+
+    uint8_t bytes[regSize];
+    I2CSensor* i2c_sensor = (I2CSensor*)sensor->instance;
+    if(!unitemp_i2c_readArray(i2c_sensor, regSize, bytes)) return 0;
+
+    return load16_be(bytes);
+}
+
+static bool loadWord(uint8_t* buff, uint16_t* val) {
+    uint16_t tmp = load16_be(buff);
+    uint8_t expectedCRC = computeCRC8(buff, 2);
+    if(buff[2] != expectedCRC) return false;
+    *val = tmp;
+    return true;
+}
+
+static bool getSettingValue(Sensor* sensor, uint16_t registerAddress, uint16_t* val) {
+    static const uint8_t respSize = 3;
+
+    if(!sendCommand(sensor, registerAddress)) return false; // Sensor did not ACK
+
+    furi_delay_ms(3);
+
+    uint8_t bytes[respSize];
+    I2CSensor* i2c_sensor = (I2CSensor*)sensor->instance;
+    if(!unitemp_i2c_readArray(i2c_sensor, respSize, bytes)) return false;
+
+    return loadWord(bytes, val);
+}
+
+// Get 18 bytes from SCD30
+// Updates global variables with floats
+// Returns true if success
+static bool readMeasurement(Sensor* sensor) {
+    if(!sendCommand(sensor, COMMAND_READ_MEASUREMENT)) {
+        FURI_LOG_E(APP_NAME, "Sensor did not ACK");
+        return false; // Sensor did not ACK
+    }
+
+    furi_delay_ms(3);
+
+    static const uint8_t respSize = 9;
+    uint8_t buff[respSize];
+    uint8_t* bytes = buff;
+    I2CSensor* i2c_sensor = (I2CSensor*)sensor->instance;
+    if(!unitemp_i2c_readArray(i2c_sensor, respSize, bytes)) {
+        FURI_LOG_E(APP_NAME, "Error while read measures");
+        return false;
+    }
+
+    uint16_t tmpValue;
+
+    bool error = false;
+    if(loadWord(bytes, &tmpValue)) {
+        sensor->co2 = tmpValue;
+    } else {
+        FURI_LOG_E(APP_NAME, "Error while parsing CO2");
+        error = true;
+    }
+
+    bytes += 3;
+    if(loadWord(bytes, &tmpValue)) {
+        sensor->temp = (float)tmpValue * 175.0f / 65535.0f - 45.0f;
+    } else {
+        FURI_LOG_E(APP_NAME, "Error while parsing temp");
+        error = true;
+    }
+
+    bytes += 3;
+    if(loadWord(bytes, &tmpValue)) {
+        sensor->hum = (float)tmpValue * 100.0f / 65535.0f;
+    } else {
+        FURI_LOG_E(APP_NAME, "Error while parsing humidity");
+        error = true;
+    }
+
+    return !error;
+}
+
+static void reset(Sensor* sensor) {
+    sendCommand(sensor, COMMAND_REINIT);
+}
+
+static bool setAutoSelfCalibration(Sensor* sensor, bool enable) {
+    return sendCommandWithCRC(
+        sensor, COMMAND_SET_AUTOMATIC_SELF_CALIBRATION_ENABLED, enable); // Activate continuous ASC
+}
+
+// Get the current ASC setting
+static bool getAutoSelfCalibration(Sensor* sensor) {
+    return 1 == readRegister(sensor, COMMAND_GET_AUTOMATIC_SELF_CALIBRATION_ENABLED);
+}
+
+// Unfinished
+static bool getFirmwareVersion(Sensor* sensor, uint16_t* val) {
+    if(!sendCommand(sensor, COMMAND_READ_MEASUREMENT)) {
+        FURI_LOG_E(APP_NAME, "Sensor did not ACK");
+        return false; // Sensor did not ACK
+    }
+
+    static const uint8_t respSize = 9;
+    uint8_t buff[respSize];
+    uint8_t* bytes = buff;
+    I2CSensor* i2c_sensor = (I2CSensor*)sensor->instance;
+    if(!unitemp_i2c_readArray(i2c_sensor, respSize, bytes)) {
+        FURI_LOG_E(APP_NAME, "Error while read measures");
+        return false;
+    }
+
+    *val = 0;
+
+    return true;
+}
+
+static bool beginMeasuring(Sensor* sensor) {
+    return sendCommand(sensor, COMMAND_START_PERIODIC_MEASUREMENT);
+}
+
+// Stop continuous measurement
+static bool stopMeasurement(Sensor* sensor) {
+    return sendCommand(sensor, COMMAND_READ_MEASUREMENT);
+}
+
+static float getTemperatureOffset(Sensor* sensor) {
+    uint16_t curOffset;
+    if(!getSettingValue(sensor, COMMAND_GET_TEMPERATURE_OFFSET, &curOffset)) return 0.0;
+    return (float)curOffset * 175.0f / 65536.0f;
+}
+
+static bool setTemperatureOffset(Sensor* sensor, float tempOffset) {
+    uint16_t newOffset = tempOffset * 65536.0 / 175.0 + 0.5f;
+    return sendCommandWithCRC(
+        sensor, COMMAND_SET_TEMPERATURE_OFFSET, newOffset); // Activate continuous ASC
+}

applications/external/unitemp/sensors/SCD40.h

@@ -0,0 +1,59 @@
+/*
+    Unitemp - Universal temperature reader
+    Copyright (C) 2022-2023  Victor Nikitchuk (https://github.com/quen0n)
+    Contributed by divinebird (https://github.com/divinebird)
+
+    This program is free software: you can redistribute it and/or modify
+    it under the terms of the GNU General Public License as published by
+    the Free Software Foundation, either version 3 of the License, or
+    (at your option) any later version.
+
+    This program is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU General Public License for more details.
+
+    You should have received a copy of the GNU General Public License
+    along with this program.  If not, see <https://www.gnu.org/licenses/>.
+*/
+#ifndef UNITEMP_SCD40
+#define UNITEMP_SCD40
+
+#include "../unitemp.h"
+#include "../Sensors.h"
+
+extern const SensorType SCD40;
+/**
+ * @brief Выделение памяти и установка начальных значений датчика SCD40
+ * @param sensor Указатель на создаваемый датчик
+ * @return Истина при успехе
+ */
+bool unitemp_SCD40_alloc(Sensor* sensor, char* args);
+
+/**
+ * @brief Инициализации датчика SCD40
+ * @param sensor Указатель на датчик
+ * @return Истина если инициализация упспешная
+ */
+bool unitemp_SCD40_init(Sensor* sensor);
+
+/**
+ * @brief Деинициализация датчика
+ * @param sensor Указатель на датчик
+ */
+bool unitemp_SCD40_deinit(Sensor* sensor);
+
+/**
+ * @brief Обновление значений из датчика
+ * @param sensor Указатель на датчик
+ * @return Статус опроса датчика
+ */
+UnitempStatus unitemp_SCD40_update(Sensor* sensor);
+
+/**
+ * @brief Высвободить память датчика
+ * @param sensor Указатель на датчик
+ */
+bool unitemp_SCD40_free(Sensor* sensor);
+
+#endif

applications/external/unitemp/unitemp.c

@@ -28,8 +28,31 @@ Unitemp* app;
 
 void uintemp_celsiumToFarengate(Sensor* sensor) {
     sensor->temp = sensor->temp * (9.0 / 5.0) + 32;
+    sensor->heat_index = sensor->heat_index * (9.0 / 5.0) + 32;
 }
 
+static float heat_index_consts[9] = {
+    -42.379f,
+    2.04901523f,
+    10.14333127f,
+    -0.22475541f,
+    -0.00683783f,
+    -0.05481717f,
+    0.00122874f,
+    0.00085282f,
+    -0.00000199f};
+void unitemp_calculate_heat_index(Sensor* sensor) {
+    // temp should be in Celsius, heat index will be in Celsius
+    float temp = sensor->temp * (9.0 / 5.0) + 32.0f;
+    float hum = sensor->hum;
+    sensor->heat_index =
+        (heat_index_consts[0] + heat_index_consts[1] * temp + heat_index_consts[2] * hum +
+         heat_index_consts[3] * temp * hum + heat_index_consts[4] * temp * temp +
+         heat_index_consts[5] * hum * hum + heat_index_consts[6] * temp * temp * hum +
+         heat_index_consts[7] * temp * hum * hum + heat_index_consts[8] * temp * temp * hum * hum -
+         32.0f) *
+        (5.0 / 9.0);
+}
 void unitemp_pascalToMmHg(Sensor* sensor) {
     sensor->pressure = sensor->pressure * 0.007500638;
 }
@@ -71,6 +94,7 @@ bool unitemp_saveSettings(void) {
         app->file_stream, "INFINITY_BACKLIGHT %d\n", app->settings.infinityBacklight);
     stream_write_format(app->file_stream, "TEMP_UNIT %d\n", app->settings.temp_unit);
     stream_write_format(app->file_stream, "PRESSURE_UNIT %d\n", app->settings.pressure_unit);
+    stream_write_format(app->file_stream, "HEAT_INDEX %d\n", app->settings.heat_index);
 
     //Закрытие потока и освобождение памяти
     file_stream_close(app->file_stream);
@@ -166,6 +190,11 @@ bool unitemp_loadSettings(void) {
             int p = 0;
             sscanf(((char*)(file_buf + line_end)), "\nPRESSURE_UNIT %d", &p);
             app->settings.pressure_unit = p;
+        } else if(!strcmp(buff, "HEAT_INDEX")) {
+            //Чтение значения параметра
+            int p = 0;
+            sscanf(((char*)(file_buf + line_end)), "\nHEAT_INDEX %d", &p);
+            app->settings.heat_index = p;
         } else {
             FURI_LOG_W(APP_NAME, "Unknown settings parameter: %s", buff);
         }
@@ -203,6 +232,7 @@ static bool unitemp_alloc(void) {
     app->settings.infinityBacklight = true; //Подсветка горит всегда
     app->settings.temp_unit = UT_TEMP_CELSIUS; //Единица измерения температуры - градусы Цельсия
     app->settings.pressure_unit = UT_PRESSURE_MM_HG; //Единица измерения давления - мм рт. ст.
+    app->settings.heat_index = false;
 
     app->gui = furi_record_open(RECORD_GUI);
     //Диспетчер окон

applications/external/unitemp/unitemp.h

@@ -40,7 +40,7 @@
 //Имя приложения
 #define APP_NAME "Unitemp"
 //Версия приложения
-#define UNITEMP_APP_VER "1.3"
+#define UNITEMP_APP_VER "1.4"
 //Путь хранения файлов плагина
 #define APP_PATH_FOLDER "/ext/unitemp"
 //Имя файла с настройками
@@ -80,6 +80,8 @@ typedef struct {
     tempMeasureUnit temp_unit;
     //Единица измерения давления
     pressureMeasureUnit pressure_unit;
+    // Do calculate and show heat index
+    bool heat_index;
     //Последнее состояние OTG
     bool lastOTGState;
 } UnitempSettings;
@@ -111,6 +113,13 @@ typedef struct {
 
 /* Объявление прототипов функций */
 
+/**
+ * @brief Calculates the heat index in Celsius from the temperature and humidity and stores it in the sensor heat_index field
+ *
+ * @param sensor The sensor struct, with temperature in Celcius and humidity in percent
+ */
+void unitemp_calculate_heat_index(Sensor* sensor);
+
 /**
  * @brief Перевод значения температуры датчика из Цельсия в Фаренгейты
  * 

applications/external/unitemp/views/General_view.c

@@ -113,6 +113,33 @@ static void _draw_humidity(Canvas* canvas, Sensor* sensor, const uint8_t pos[2])
     canvas_draw_str(canvas, pos[0] + 27 + int_len / 2 + 4, pos[1] + 10 + 7, "%");
 }
 
+static void _draw_heat_index(Canvas* canvas, Sensor* sensor, const uint8_t pos[2]) {
+    canvas_draw_rframe(canvas, pos[0], pos[1], 54, 20, 3);
+    canvas_draw_rframe(canvas, pos[0], pos[1], 54, 19, 3);
+
+    canvas_draw_icon(canvas, pos[0] + 3, pos[1] + 3, &I_heat_index_11x14);
+
+    int16_t heat_index_int = sensor->heat_index;
+    int8_t heat_index_dec = abs((int16_t)(sensor->heat_index * 10) % 10);
+
+    snprintf(app->buff, BUFF_SIZE, "%d", heat_index_int);
+    canvas_set_font(canvas, FontBigNumbers);
+    canvas_draw_str_aligned(
+        canvas,
+        pos[0] + 27 + ((sensor->heat_index <= -10 || sensor->heat_index > 99) ? 5 : 0),
+        pos[1] + 10,
+        AlignCenter,
+        AlignCenter,
+        app->buff);
+
+    if(heat_index_int <= 99) {
+        uint8_t int_len = canvas_string_width(canvas, app->buff);
+        snprintf(app->buff, BUFF_SIZE, ".%d", heat_index_dec);
+        canvas_set_font(canvas, FontPrimary);
+        canvas_draw_str(canvas, pos[0] + 27 + int_len / 2 + 2, pos[1] + 10 + 7, app->buff);
+    }
+}
+
 static void _draw_pressure(Canvas* canvas, Sensor* sensor) {
     const uint8_t x = 29, y = 39;
     //Рисование рамки
@@ -320,12 +347,23 @@ static void _draw_carousel_values(Canvas* canvas) {
             ColorWhite);
         break;
     case UT_DATA_TYPE_TEMP_HUM:
-        _draw_temperature(
-            canvas,
-            unitemp_sensor_getActive(generalview_sensor_index),
-            temp_positions[1][0],
-            temp_positions[1][1],
-            ColorWhite);
+        if(!app->settings.heat_index) {
+            _draw_temperature(
+                canvas,
+                unitemp_sensor_getActive(generalview_sensor_index),
+                temp_positions[1][0],
+                temp_positions[1][1],
+                ColorWhite);
+        } else {
+            _draw_temperature(
+                canvas,
+                unitemp_sensor_getActive(generalview_sensor_index),
+                temp_positions[2][0],
+                temp_positions[2][1],
+                ColorWhite);
+            _draw_heat_index(
+                canvas, unitemp_sensor_getActive(generalview_sensor_index), hum_positions[1]);
+        }
         _draw_humidity(
             canvas, unitemp_sensor_getActive(generalview_sensor_index), hum_positions[0]);
         break;
@@ -446,8 +484,8 @@ static void _draw_carousel_info(Canvas* canvas) {
                     ->currentI2CAdr >>
                 1);
         canvas_draw_str(canvas, 57, 35, app->buff);
-        canvas_draw_str(canvas, 54, 46, "15 (C0)");
-        canvas_draw_str(canvas, 54, 58, "16 (C1)");
+        canvas_draw_str(canvas, 54, 46, "15 (C1)");
+        canvas_draw_str(canvas, 54, 58, "16 (C0)");
     }
 }
 static void _draw_view_sensorsCarousel(Canvas* canvas) {

applications/external/unitemp/views/Settings_view.c

@@ -26,6 +26,7 @@ static VariableItemList* variable_item_list;
 static const char states[2][9] = {"Auto", "Infinity"};
 static const char temp_units[UT_TEMP_COUNT][3] = {"*C", "*F"};
 static const char pressure_units[UT_PRESSURE_COUNT][6] = {"mm Hg", "in Hg", "kPa", "hPA"};
+static const char heat_index_bool[2][4] = {"OFF", "ON"};
 
 //Элемент списка - бесконечная подсветка
 VariableItem* infinity_backlight_item;
@@ -33,6 +34,8 @@ VariableItem* infinity_backlight_item;
 VariableItem* temperature_unit_item;
 //Единица измерения давления
 VariableItem* pressure_unit_item;
+
+VariableItem* heat_index_item;
 #define VIEW_ID UnitempViewSettings
 
 /**
@@ -57,6 +60,7 @@ static uint32_t _exit_callback(void* context) {
         (bool)variable_item_get_current_value_index(infinity_backlight_item);
     app->settings.temp_unit = variable_item_get_current_value_index(temperature_unit_item);
     app->settings.pressure_unit = variable_item_get_current_value_index(pressure_unit_item);
+    app->settings.heat_index = variable_item_get_current_value_index(heat_index_item);
     unitemp_saveSettings();
     unitemp_loadSettings();
 
@@ -90,6 +94,11 @@ static void _setting_change_callback(VariableItem* item) {
             pressure_unit_item,
             pressure_units[variable_item_get_current_value_index(pressure_unit_item)]);
     }
+    if(item == heat_index_item) {
+        variable_item_set_current_value_text(
+            heat_index_item,
+            heat_index_bool[variable_item_get_current_value_index(heat_index_item)]);
+    }
 }
 
 /**
@@ -106,6 +115,8 @@ void unitemp_Settings_alloc(void) {
         variable_item_list_add(variable_item_list, "Temp. unit", 2, _setting_change_callback, app);
     pressure_unit_item = variable_item_list_add(
         variable_item_list, "Press. unit", UT_PRESSURE_COUNT, _setting_change_callback, app);
+    heat_index_item = variable_item_list_add(
+        variable_item_list, "Calc. heat index", 2, _setting_change_callback, app);
 
     //Добавление колбека на нажатие средней кнопки
     variable_item_list_set_enter_callback(variable_item_list, _enter_callback, app);
@@ -139,6 +150,10 @@ void unitemp_Settings_switch(void) {
         pressure_unit_item,
         pressure_units[variable_item_get_current_value_index(pressure_unit_item)]);
 
+    variable_item_set_current_value_index(heat_index_item, (uint8_t)app->settings.heat_index);
+    variable_item_set_current_value_text(
+        heat_index_item, heat_index_bool[variable_item_get_current_value_index(heat_index_item)]);
+
     view_dispatcher_switch_to_view(app->view_dispatcher, VIEW_ID);
 }