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Thermo 17 click

The Thermo 17 Click is a Click board™ based on the TMP451-Q1, a high-accuracy, lowpower remote temperature sensor monitor with a built-in local temperature sensor from Texas Instruments.

click Product page

Click library

• Author : Luka Filipovic
• Date : Jan 2020.
• Type : I2C type

Software Support

We provide a library for the Thermo17 Click as well as a demo application (example), developed using MikroElektronika compilers. The demo can run on all the main MikroElektronika development boards.

Package can be downloaded/installed directly form compilers IDE(recommended way), or downloaded from our LibStock, or found on mikroE github account.

Library Description

This library contains API for Thermo17 Click driver.

Standard key functions :

• Config Object Initialization function.

  void thermo17_cfg_setup ( thermo17_cfg_t *cfg );

• Initialization function.

  THERMO17_RETVAL thermo17_init ( thermo17_t ctx, thermo17_cfg_t cfg );

Example key functions :

• This function reads data from the desired register.

  uint8_t thermo17_generic_read ( thermo17_t *ctx, uint8_t reg_adr );

• This function writes data to the desired register.

  void thermo17_generic_write ( thermo17_t *ctx, uint8_t reg_adr, uint8_t write_data );

• This function reads data from the local or remote registers.

  float thermo17_read_temp ( thermo17_t *ctx, uint8_t temp_macro );

Examples Description

This demo-app shows local and remote temperature measurement procedure using Thermo 17 click.

The demo application is composed of two sections :

Application Init

Initialization of the device and checks ID.

void application_init ( void )
{
    log_cfg_t log_cfg;
    thermo17_cfg_t cfg;
    uint8_t id_data;

    /** 
     * Logger initialization.
     * Default baud rate: 115200
     * Default log level: LOG_LEVEL_DEBUG
     * @note If USB_UART_RX and USB_UART_TX 
     * are defined as HAL_PIN_NC, you will 
     * need to define them manually for log to work. 
     * See @b LOG_MAP_USB_UART macro definition for detailed explanation.
     */
    LOG_MAP_USB_UART( log_cfg );
    log_init( &logger, &log_cfg );
    log_info( &logger, " Application Init " );

    //  Click initialization.

    thermo17_cfg_setup( &cfg );
    THERMO17_MAP_MIKROBUS( cfg, MIKROBUS_1 );
    thermo17_init( &thermo17, &cfg );

    id_data = thermo17_generic_read( &thermo17 ,THERMO17_REG_R_ID );

    if ( id_data == THERMO17_DEV_ID )
    {
        log_info( &logger, " - Correct device ID" );
    }
    else
    {
        log_info( &logger, " - Device ID ERROR" );
        for ( ; ; );
    }

    log_info( &logger, " Starting measurement " );
}

Application Task

Appliction measures temp value every 1000ms and logs it.

void application_task ( void )
{
    float read_data;

    read_data = thermo17_read_temp( &thermo17 ,THERMO17_TEMPERATURE_LOCAL );
    log_printf( &logger, " - LOCAL: : %.2f C\r\n", read_data );

    Delay_ms ( 100 );

    read_data = thermo17_read_temp( &thermo17 ,THERMO17_TEMPERATURE_REMOTE );
    log_printf( &logger, " - REMOTE: : %.2f C\r\n", read_data );

    Delay_ms ( 100 );
    log_printf( &logger, " ******************** \r\n" );
    Delay_ms ( 1000 );
}  

The full application code, and ready to use projects can be installed directly form compilers IDE(recommneded) or found on LibStock page or mikroE GitHub accaunt.

Other mikroE Libraries used in the example:

• MikroSDK.Board
• MikroSDK.Log
• Click.Thermo17

Additional notes and informations

Depending on the development board you are using, you may need USB UART click, USB 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.