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Temp&Hum 8 Click

TempHum 8 Click demo application is developed using the NECTO Studio, ensuring compatibility with mikroSDK's open-source libraries and tools. Designed for plug-and-play implementation and testing, the demo is fully compatible with all development, starter, and mikromedia boards featuring a mikroBUS™ socket.

Click Library

  • Author : Katarina Perendic
  • Date : okt 2019.
  • Type : I2C type

Software Support

Example Description

This demo-app shows the temperature measurement procedure using Temp&Hum 8 Click.

Example Libraries

  • MikroSDK.Board
  • MikroSDK.Log
  • Click.TempHum8

Example Key Functions

  • temphum8_cfg_setup Config Object Initialization function.
void temphum8_cfg_setup ( temphum8_cfg_t *cfg );
  • temphum8_init Initialization function.
err_t temphum8_init ( temphum8_t *ctx, temphum8_cfg_t *cfg );
  • temphum8_default_cfg Click Default Configuration function.
void temphum8_default_cfg ( temphum8_t *ctx );
  • temphum8_get_temperature_data Temperature data.
float temphum8_get_temperature_data ( temphum8_t *ctx, uint8_t temp_format );
  • temphum8_get_humidity_data Relative Huminidy data.
float temphum8_get_humidity_data ( temphum8_t *ctx );
  • temphum8_set_cfg_register Configuration device for measurement.
void temphum8_set_cfg_register ( temphum8_t *ctx, uint8_t cfg );

Application Init

Configuring Clicks and log objects. Setting the Click in the default configuration to start the measurement, and before that call function software_reset().

void application_init ( void )
{
    log_cfg_t log_cfg;
    temphum8_cfg_t cfg;

    /** 
     * 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.

    temphum8_cfg_setup( &cfg );
    TEMPHUM8_MAP_MIKROBUS( cfg, MIKROBUS_1 );
    temphum8_init( &temphum8, &cfg );

    temphum8_software_reset( &temphum8 );
    temphum8_default_cfg( &temphum8 ); 
}

Application Task

Reads ambient temperature data and Relative Huminidy data, this data logs to USBUART every 1500ms.

void application_task ( void )
{
    float temperature;
    float humidity;

    //  Task implementation.
    
    log_printf( &logger, "\r\n ---- Ambient data ----\r\n" );

    temperature = temphum8_get_temperature_data( &temphum8, TEMPHUM8_TEMPERATURE_IN_CELSIUS );
    log_printf( &logger, "** Temperature: %.2f °C \r\n", temperature );
    
    humidity = temphum8_get_humidity_data( &temphum8 );
    log_printf( &logger, "** Humidity: %.2f %%RH \r\n", humidity );

    Delay_ms ( 1000 );
    Delay_ms ( 500 );
}

Application Output

This Click board can be interfaced and monitored in two ways:

  • Application Output - Use the "Application Output" window in Debug mode for real-time data monitoring. Set it up properly by following this tutorial.
  • UART Terminal - Monitor data via the UART Terminal using a USB to UART converter. For detailed instructions, check out this tutorial.

Additional Notes and Information

The complete application code and a ready-to-use project are available through the NECTO Studio Package Manager for direct installation in the NECTO Studio. The application code can also be found on the MIKROE GitHub account.