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mikroSDK Library

ECG 2 Click

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Author: MIKROE

Last Updated: 2024-10-31

Package Version: 2.1.0.11

mikroSDK Library: 2.0.0.0

Category: Biometrics

Downloaded: 363 times

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License: MIT license  

ECG 2 Click contains ADS1194 16-bit delta-sigma analog-to-digital converters from Texas Instruments, a built-in programmable gain amplifier (PGA), an internal reference, and an onboard oscillator.

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  • mikroSDK Library 1.0.0.0
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ECG 2 Click

ECG 2 Click contains ADS1194 16-bit delta-sigma analog-to-digital converters from Texas Instruments, a built-in programmable gain amplifier (PGA), an internal reference, and an onboard oscillator.

ecg2_click.png

Click Product page


Click library

  • Author : Stefan Ilic
  • Date : Nov 2021.
  • Type : SPI type

Software Support

We provide a library for the ECG 2 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 ECG 2 Click driver.

Standard key functions :

  • ecg2_cfg_setup Config Object Initialization function.

    void ecg2_cfg_setup ( ecg2_cfg_t *cfg );
  • ecg2_init Initialization function.

    err_t ecg2_init ( ecg2_t *ctx, ecg2_cfg_t *cfg );
  • ecg2_default_cfg Click Default Configuration function.

    err_t ecg2_default_cfg ( ecg2_t *ctx );

Example key functions :

  • ecg2_read_an_pin_value ECG 2 read AN pin value function.

    err_t ecg2_read_an_pin_value ( ecg2_t *ctx, uint16_t *data_out );
  • ecg2_send_command ECG 2 send command function.

    err_t ecg2_send_command ( ecg2_t *ctx, uint8_t command );
  • ecg2_read_channel_data ECG 2 read data channel function.

    void ecg2_read_channel_data ( ecg2_t *ctx, uint8_t channel, uint16_t *data_out );

Example Description

This is an example that demonstrates the use of the ECG 2 Click board.

The demo application is composed of two sections :

Application Init

Initializes SPI and UART communication, configures INT pin as INPUT, RST pin as OUTPUT, CS pin as OUTPUT and PWM pin as OUTPUT. Initializes SPI driver, initializes ECG2 Click, sends START and RDATAC opcodes.


void application_init ( void )
{
    log_cfg_t log_cfg;  /**< Logger config object. */
    ecg2_cfg_t ecg2_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.
    ecg2_cfg_setup( &ecg2_cfg );
    ECG2_MAP_MIKROBUS( ecg2_cfg, MIKROBUS_1 );
    if ( SPI_MASTER_ERROR == ecg2_init( &ecg2, &ecg2_cfg ) )
    {
        log_error( &logger, " Communication init." );
        for ( ; ; );
    }
    SET_SPI_DATA_SAMPLE_EDGE;

    if ( ECG2_ERROR == ecg2_default_cfg ( &ecg2 ) )
    {
        log_error( &logger, " Default configuration." );
        for ( ; ; );
    }
    Delay_ms ( 100 );
    ecg2_send_command( &ecg2, ECG2_START_CONVERSION );
    Delay_ms ( 100 );
    ecg2_send_command( &ecg2, ECG2_ENABLE_READ_DATA_CONT_MODE );
    Delay_ms ( 100 );

    log_info( &logger, " Application Task " );
    Delay_ms ( 100 );
}

Application Task

Captures readings from channel and plots data to serial plotter.


void application_task ( void ) 
{   
    uint16_t ecg_an = 0;
    ecg2_read_channel_data( &ecg2, 5, &ecg_an );
    log_printf( &logger, " %.6u, %.8lu \r\n", ecg_an, time );
    time += 5;
    Delay_ms ( 5 );   
}

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.ECG2

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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