example_thermo.c File Reference

1-Wire thermometer example. More...

#include <gui/gui.h>
#include <gui/view_port.h>
#include <core/thread.h>
#include <core/kernel.h>
#include <locale/locale.h>
#include <one_wire/maxim_crc.h>
#include <one_wire/one_wire_host.h>
#include <furi_hal_power.h>

Data Structures
union	DS18B20Scratchpad
struct	ExampleThermoContext

Macros
#define	UPDATE_PERIOD_MS   1000UL
#define	TEXT_STORE_SIZE   64U
#define	DS18B20_CMD_SKIP_ROM   0xccU
#define	DS18B20_CMD_CONVERT   0x44U
#define	DS18B20_CMD_READ_SCRATCHPAD   0xbeU
#define	DS18B20_CFG_RESOLUTION_POS   5U
#define	DS18B20_CFG_RESOLUTION_MASK   0x03U
#define	DS18B20_DECIMAL_PART_MASK   0x0fU
#define	DS18B20_SIGN_MASK   0xf0U
#define	THERMO_GPIO_PIN   (gpio_ibutton)

Enumerations
enum	ReaderThreadFlag { ReaderThreadFlagExit = 1 }

Functions
int32_t	example_thermo_main (void *p)

Detailed Description

1-Wire thermometer example.

This file contains an example application that reads and displays the temperature from a DS18B20 1-wire thermometer.

It also covers basic GUI, input handling, threads and localisation.

References: [1] DS18B20 Datasheet: https://www.analog.com/media/en/technical-documentation/data-sheets/DS18B20.pdf