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mikroSDK Library

Heart Rate 9 Click

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Author: MIKROE

Last Updated: 2024-10-31

Package Version: 2.1.0.23

mikroSDK Library: 2.0.0.0

Category: Biometrics

Downloaded: 306 times

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License: MIT license  

The Heart Rate 9 Click is a Click board™ which features PIC16F1779 8-bit MCU and SFH 7060 heart rate and pulse oximetry monitoring sensor.

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  • mikroSDK Library 1.0.0.0
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mikroSDK Library Blog


Heart Rate 9 Click

The Heart Rate 9 Click is a Click board™ which features PIC16F1779 8-bit MCU and SFH 7060 heart rate and pulse oximetry monitoring sensor.

heartrate9_click.png

Click Product page


Click library

  • Author : Luka Filipovic
  • Date : Dec 2020.
  • Type : UART type

Software Support

We provide a library for the HeartRate9 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 from NECTO Studio Package Manager(recommended way), downloaded from our LibStock™ or found on mikroE github account.

Library Description

This library contains API for HeartRate9 Click driver.

Standard key functions :

  • Config Object Initialization function.

    void heartrate9_cfg_setup ( heartrate9_cfg_t *cfg );
  • Initialization function.

    HEARTRATE9_RETVAL heartrate9_init ( heartrate9_t *ctx, heartrate9_cfg_t *cfg );
  • Click Default Configuration function.

    void heartrate9_default_cfg ( heartrate9_t *ctx );

Example key functions :

  • Heart Rate 9 data writing function.

    err_t heartrate9_generic_write ( heartrate9_t *ctx, char *data_buf, uint16_t len );
  • Heart Rate 9 data reading function.

    err_t heartrate9_generic_read ( heartrate9_t *ctx, char *data_buf, uint16_t max_len );
  • Sets state of the rst pin setting.

    void heartrate9_set_rst ( heartrate9_t *ctx, uint8_t state );

Examples Description

This example reads and processes data from Heart Rate 9 clicks.

The demo application is composed of two sections :

Application Init

Initializes driver and wake-up module.

void application_init ( void ) 
{
    log_cfg_t log_cfg;  /**< Logger config object. */
    heartrate9_cfg_t heartrate9_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 );

    // Click initialization.
    heartrate9_cfg_setup( &heartrate9_cfg );
    HEARTRATE9_MAP_MIKROBUS( heartrate9_cfg, MIKROBUS_1 );
    err_t init_flag  = heartrate9_init( &heartrate9, &heartrate9_cfg );
    if ( init_flag == UART_ERROR ) 
    {
        log_error( &logger, " Application Init Error. " );
        log_info( &logger, " Please, run program again... " );

        for ( ; ; );
    }

    app_buf_len = 0;
    app_buf_cnt = 0;
}

Application Task

Reads the received data and logs it.

void application_task ( void )
{
   heartrate9_process();

    if ( app_buf_len > 0 )
    {
        log_printf( &logger, "%s", app_buf );
        heartrate9_clear_app_buf(  );
    }
}

Note

Data structure is:

AA;BB;CC;DD;EE;

AA -> Data header.\ BB -> Red diode.\ CC -> IR diode.\ DD -> Green diode.\ EE -> BPM.

The full application code, and ready to use projects can be installed directly from NECTO Studio Package Manager(recommended way), downloaded from our LibStock™ or found on mikroE github account.

Other mikroE Libraries used in the example:

  • MikroSDK.Board
  • MikroSDK.Log
  • Click.HeartRate9

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. UART terminal is available in all Mikroelektronika compilers.


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