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mikroSDK Library

EEPROM 6 Click

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Author: MIKROE

Last Updated: 2024-10-31

Package Version: 2.1.0.10

mikroSDK Library: 2.0.0.0

Category: EEPROM

Downloaded: 125 times

Not followed.

License: MIT license  

EEPROM 6 Click is a compact add-on board that contains a serial EEPROM memory that operates from the 1-Wire interface. This board features the DS28EC20, a 20480-bit EEPROM organized as 80 memory pages of 256 bits each from Analog Devices. As a specific feature, blocks of eight memory pages can be write-protected or put in “EPROM-Emulation” Mode, where bits can only be changed from a 1 to a 0 state. It communicates with MCU at 15.4kbps or 90kbps over the 1-Wire protocol and has a 64-bit registration number that ensures error-free device selection.

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  • mikroSDK Library 1.0.0.0
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mikroSDK Library Blog


EEPROM 6 Click

EEPROM 6 Click is a compact add-on board that contains a serial EEPROM memory that operates from the 1-Wire interface. This board features the DS28EC20, a 20480-bit EEPROM organized as 80 memory pages of 256 bits each from Analog Devices. As a specific feature, blocks of eight memory pages can be write-protected or put in “EPROM-Emulation” Mode, where bits can only be changed from a 1 to a 0 state. It communicates with MCU at 15.4kbps or 90kbps over the 1-Wire protocol and has a 64-bit registration number that ensures error-free device selection.

eeprom6_click.png

Click Product page


Click library

  • Author : Nikola Citakovic
  • Date : Mar 2022.
  • Type : One Wire type

Software Support

We provide a library for the EEPROM 6 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 EEPROM 6 Click driver.

Standard key functions :

  • eeprom6_cfg_setup Config Object Initialization function.

    void eeprom6_cfg_setup ( eeprom6_cfg_t *cfg );
  • eeprom6_init Initialization function.

    err_t eeprom6_init ( eeprom6_t *ctx, eeprom6_cfg_t *cfg );
  • eeprom6_default_cfg Click Default Configuration function.

    err_t eeprom6_default_cfg ( eeprom6_t *ctx );

Example key functions :

  • eeprom6_write_mem This function writes a sequential data starting of the targeted 16b register address of the targeted 16-bit register address of the DS28EC20.

    err_t eeprom6_write_mem ( eeprom6_t *ctx, uint16_t reg_adr, uint8_t *data_in, uint16_t n_len );
  • eeprom6_read_mem This function reads a sequential data starting from the targeted 16-bit register address of the DS28EC20.

    err_t eeprom6_read_mem ( eeprom6_t *ctx, uint16_t reg_adr, uint8_t *data_in, uint16_t n_len );

Example Description

This example demonstrates the use of EEPROM6 Click board by writing string to a memory at some specific location and then reading it back.

The demo application is composed of two sections :

Application Init

Initializes the driver and performs the Click default configuration.


void application_init ( void )
{
    log_cfg_t log_cfg;  /**< Logger config object. */
    eeprom6_cfg_t eeprom6_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.
    eeprom6_cfg_setup( &eeprom6_cfg );
    EEPROM6_MAP_MIKROBUS( eeprom6_cfg, MIKROBUS_1 );
    if ( ONE_WIRE_ERROR == eeprom6_init( &eeprom6, &eeprom6_cfg ) ) 
    {
        log_error( &logger, " Communication init." );
        for ( ; ; );
    }

    if ( EEPROM6_ERROR == eeprom6_default_cfg ( &eeprom6 ) )
    {
        log_error( &logger, " Default configuration." );
        for ( ; ; );
    }

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

Application Task

This example shows capabilities of EEPROM 6 Click board by writting a string into memory location from a specific address, and then reading it back every 5 seconds.

void application_task ( void )
{
    log_printf( &logger, "Writing \"%s\" to memory address 0x%.4X\r\n", 
                ( uint8_t * ) EEPROM6_DEMO_TEXT, EEPROM6_TEXT_ADDRESS );
    eeprom6_write_mem( &eeprom6, EEPROM6_TEXT_ADDRESS, ( char * ) EEPROM6_DEMO_TEXT,
                       strlen ( EEPROM6_DEMO_TEXT ) );
    Delay_ms ( 100 );    
    uint8_t read_buf[ 100 ] = { 0 };
    eeprom6_read_mem ( &eeprom6, EEPROM6_TEXT_ADDRESS,read_buf,
                       strlen ( EEPROM6_DEMO_TEXT ) );
    log_printf( &logger, "Reading \"%s\" from memory address 0x%.4X\r\n\n",
                read_buf, ( uint16_t ) EEPROM6_TEXT_ADDRESS );
    Delay_ms ( 1000 );
    Delay_ms ( 1000 );
    Delay_ms ( 1000 );
    Delay_ms ( 1000 );
    Delay_ms ( 1000 );
}

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.EEPROM6

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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