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mikroSDK Library

ECG 3 click

Rating:

6

Author: MikroElektronika Team

Last Updated: 2018-10-12

Category: Measurement

Downloaded: 413 times

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ECG 3 click is a complete solution for the development of ECG applications, which utilizes a specialized clinical-grade biopotential analog front-end (AFE) IC. ECG 3 click is an ideal solution for the development of heart rate monitoring applications, fitness applications, for the ECG bio-authentication, and similar applications.

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mikroSDK Library Blog

ECG 3 click

ECG 3 click

Native view of the ECG 3 Click board.

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ECG 3 click

ECG 3 click

Front and back view of the ECG 3 Click board.

View full image

Library Description

The library can perform a control of the ECG 3 Click board. Offers a choice to check registers, write to the registers, read ECG and RTOR Data. Also, the library performs calculations necessary to get Heart Rate in BPM value, and R - R Data in ms value. For more details check the documentation.

Key functions:

  • uint8_t ecg3_writeReg( uint8_t regAddr, uint32_t dataIn ) - The function writes data to the register.
  • uint8_t ecg3_readReg( uint8_t regAddr, uint32_t *dataOut ) - The function reads data from the register.
  • void ecg3_getECG( uint32_t *outECG ) - The function reads ECG data from the FIFO register.
  • void ecg3_getRTOR( uint16_t *outHR, uint16_t *outRR ) - The function reads Heart Rate and R - R data and calculates Heart Rate data to BPM, and R - R data to ms.

Examples description

The application is composed of the three sections :

  • System Initialization - Initializes peripherals and pins.
  • Application Initialization - Initializes SPI interface and performs the all necessary configuration for the device to work properly.
  • Application Task - (code snippet) - Reads ECG Data every 8ms and sends this data to the serial plotter.
void applicationTask()
{
  ecg3_getECG( &ecgData );
    
  plotECG();
}

Additional Functions:

  • void plotECG() - Sends ECG Data to the serial plotter.
  • void logRTOR() - Sends Heart Rate and R - R Data to the UART terminal.

Other mikroE Libraries used in the example:

  • Conversions
  • SPI
  • UART

Additional notes and information

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.

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