hwmonitor2

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HW Monitor 2 Click

HW Monitor 2 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.

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Click Library

• Author : Nenad Filipovic
• Date : Apr 2023.
• Type : I2C type

Software Support

Example Description

This example demonstrates the use of the HW Monitor 2 Click board™. The demo application monitors analog voltage inputs and local temperature data.

Example Libraries

• MikroSDK.Board
• MikroSDK.Log
• Click.HWMonitor2

Example Key Functions

• hwmonitor2_cfg_setup Config Object Initialization function.

void hwmonitor2_cfg_setup ( hwmonitor2_cfg_t *cfg );

• hwmonitor2_init Initialization function.

err_t hwmonitor2_init ( hwmonitor2_t *ctx, hwmonitor2_cfg_t *cfg );

• hwmonitor2_default_cfg Click Default Configuration function.

err_t hwmonitor2_default_cfg ( hwmonitor2_t *ctx );

• hwmonitor2_get_analog_inputs HW Monitor 2 gets analog inputs voltage function.

err_t hwmonitor2_get_analog_inputs ( hwmonitor2_t *ctx, uint8_t ch_pos, float *voltage );

• hwmonitor2_get_temperature HW Monitor 2 gets temperature function.

err_t hwmonitor2_get_temperature ( hwmonitor2_t *ctx, float *temperature );

• hwmonitor2_set_config HW Monitor 2 set the configuration function.

err_t hwmonitor2_set_config ( hwmonitor2_t *ctx, hwmonitor2_config_t config );

Application Init

The initialization of the I2C module, log UART and additional pins. After the driver init, the app executes a default configuration.

void application_init ( void ) 
{
    log_cfg_t log_cfg;  /**< Logger config object. */
    hwmonitor2_cfg_t hwmonitor2_cfg;  /**< Click config object. */

    /** 
     * 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.
    hwmonitor2_cfg_setup( &hwmonitor2_cfg );
    HWMONITOR2_MAP_MIKROBUS( hwmonitor2_cfg, MIKROBUS_1 );
    if ( I2C_MASTER_ERROR == hwmonitor2_init( &hwmonitor2, &hwmonitor2_cfg ) ) 
    {
        log_error( &logger, " Communication init." );
        for ( ; ; );
    }
    
    if ( HWMONITOR2_ERROR == hwmonitor2_default_cfg ( &hwmonitor2 ) )
    {
        log_error( &logger, " Default configuration." );
        for ( ; ; );
    }
    
    log_info( &logger, " Application Task " );
    log_printf( &logger, "---------------------------\r\n" );
    Delay_ms ( 1000 );
}

Application Task

This example displays the Analog Voltage Inputs from CH0 to CH6 [mV] and Temperature [degree Celsius] data. Results are being sent to the UART Terminal, where you can track their changes.

void application_task ( void ) 
{
    static float temperature, voltage;
    for ( uint8_t ch_pos = 0; ch_pos < 7; ch_pos++ )
    {
        if ( HWMONITOR2_OK == hwmonitor2_get_analog_inputs( &hwmonitor2, ch_pos, &voltage ) )
        {
            log_printf( &logger, "CH %d: %.1f mV\r\n", ( uint16_t ) ch_pos, voltage );
            Delay_ms ( 100 );
        }
    }
    log_printf( &logger, "- - - - - - - - - - - - - -\r\n" );
    
    if ( HWMONITOR2_OK == hwmonitor2_get_temperature( &hwmonitor2, &temperature ) )
    {
        log_printf( &logger, " Temperature: %.3f [deg c]\r\n", temperature );
        Delay_ms ( 100 );
    }
    log_printf( &logger, "---------------------------\r\n" );
    Delay_ms ( 1000 );
}

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.

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