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mikroSDK Library

IrThermo 2 click

Rating:

5

Author: MIKROE

Last Updated: 2019-01-11

Package Version: 1.0.0.1

mikroSDK Library: 1.0.0.0

Category: Temperature & humidity

Downloaded: 4580 times

Followed by: 4 users

License: MIT license  

IrThermo 2 click carries the TMP007 infrared thermopile sensor with an integrated math engine. The measurement range of the sensor is between –40°C to 125°C (with a 14-bit resolution). IrThermo 2 click communicates with the target board MCU through mikroBUS I2C pins (SCL, SDA. The board is designed to use either a 3.3V or a 5V power supply.

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  • mikroSDK Library 2.0.0.0
  • Comments (4)
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mikroSDK Library Blog

IrThermo 2 Click Board

IrThermo 2 Click Board

Front and back view of IrThermo 2 Click Board designed in mikroBUS form factor.

View full image

Library Description

The library covers all the necessary functions to control IrThermo 2 Click board. Library performs the communication with the device via I2C driver by writting to registers and by reading from registers. Library have generic write and read function, set default configuration function and get temperature value. Function who gets temperature also converts temperature data to degree Celsius [ °C ] and  Fahrenheit [ °F ].

Key functions:

  • uint16_t irthermo2_readData( uint8_t address ) - Generic read 16-bit data from 8-bit address function.
  • float irthermo2_getObjectTemperatureC() - Get object temperature in degrees Celsius function.
  • float irthermo2_getObjectTemperatureF() - Get object temperature in degrees Fahrenheit function.

Examples description

The application is composed of the three sections :

  • System Initialization - Initializes GPIO, I2C and LOG structures
         and set INT pin as input.
  • Application Initialization - Initialization driver enable's - I2C, set default configuration and start write log.
  • Application Task - (code snippet) This is a example which demonstrates the use of IrThermo 2 Click board. Measures the object temperature value from sensor and calculate temperature in degrees Celsius [ °C ].
    Results are being sent to the USART Terminal where you can track their changes.
    All data logs on usb uart for aproximetly every 5 sec when the data value changes.
void applicationTask()
{   
    temperature = irthermo2_getObjectTemperatureC();
    FloatToStr( temperature, logText );

    mikrobus_logWrite( " Temperature : ", _LOG_TEXT );
    mikrobus_logWrite( logText, _LOG_TEXT );
    mikrobus_logWrite( " °C", _LOG_LINE );
    mikrobus_logWrite( "---------------------------", _LOG_LINE );
    
    Delay_ms( 5000 );
}

Other mikroE Libraries used in the example:

  • I2C
  • UART

Additional notes and information

Depending on the development board you are using, you may need USB UART clickUSB UART 2 click or RS232 click to connect to your PC, for development systems with no UART to USB interface available on the board. The terminal available in all MikroElektronika compilers, or any other terminal application of your choice, can be used to read the message.

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