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mikroSDK Library

EEPROM 4 Click

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Author: MIKROE

Last Updated: 2024-10-31

Package Version: 2.1.0.18

mikroSDK Library: 2.0.0.0

Category: EEPROM

Downloaded: 167 times

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License: MIT license  

EEPROM 4 Click is 2,097,152 bits on a Click board™, organized into 262,144 bytes. In other words, this Click board™ is an EEPROM memory medium with the capacity of 256 KB.

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  • mikroSDK Library 1.0.0.0
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\mainpage Main Page


EEPROM 4 Click

<EEPROM 4 Click is 2,097,152 bits on a Click board™, organized into 262,144 bytes. In other words, this Click board™ is an EEPROM memory medium with the capacity of 256 KB.>

eeprom4_click.png

Click Product page


Click library

  • Author : MikroE Team
  • Date : nov 2019.
  • Type : SPI type

Software Support

We provide a library for the Eeprom4 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 form compilers IDE(recommended way), or downloaded from our LibStock, or found on mikroE github account.

Library Description

This library contains API for Eeprom4 Click driver.

Standard key functions :

  • Config Object Initialization function.

    void eeprom4_cfg_setup ( eeprom4_cfg_t *cfg );

  • Initialization function.

    EEPROM4_RETVAL eeprom4_init ( eeprom4_t ctx, eeprom4_cfg_t cfg );

  • Click Default Configuration function.

    void eeprom4_default_cfg ( eeprom4_t *ctx );

Example key functions :

  • Status register write function

    void eeprom4_write_status_reg ( eeprom4_t *ctx, uint8_t data_value );

  • Memory array write function

    void eeprom4_write_memory ( eeprom4_t ctx, uint32_t memory_address, uint8_t data_input, uint8_t n_bytes );

  • Memory array read function

    void eeprom4_read_memory ( eeprom4_t ctx, uint32_t memory_address, uint8_t data_output, uint8_t n_bytes );

Examples Description

This Click is a memmory.

The demo application is composed of two sections :

Application Init

Initializes Click driver and configures Click that all memory block > is unprotected. Also configures that HOLD operation is disabled, and the memory and > status register are writable.


void application_init ( void )
{
    log_cfg_t log_cfg;
    eeprom4_cfg_t cfg;

    /** 
     * 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.

    eeprom4_cfg_setup( &cfg );
    EEPROM4_MAP_MIKROBUS( cfg, MIKROBUS_1 );
    eeprom4_init( &eeprom4, &cfg );
}

Application Task

Enables writting to memory array, writes data from buffer to memory, checks if the part is in a write cycle, and if is not reads data > > from memory array and stores data to buffer. Storaged data shows on USB UART.

void application_task (  )
{
    uint8_t data_write[ 13 ] = { 'M', 'i', 'K', 'r', 'O', 'e', 0 };
    uint8_t data_read[ 255 ] = { 0 };
    uint8_t cnt;
    uint8_t check_state;

    eeprom4_send_command( &eeprom4, EEPROM4_SET_WRITE_ENABLE_LATCH_COMMAND );
    eeprom4_write_memory( &eeprom4, EEPROM4_FIRST_MEMORY_LOCATION, data_write, 
6 );

    cnt = eeprom4_check_status_reg( &eeprom4, EEPROM4_READY_BIT );
    check_state = eeprom4_send_command( &eeprom4, EEPROM4_LOW_POWER_WRITE_POLL_COMMAND );

    while ( cnt | check_state )
    {
        cnt = eeprom4_check_status_reg( &eeprom4, EEPROM4_READY_BIT );
        check_state = eeprom4_send_command( &eeprom4, EEPROM4_LOW_POWER_WRITE_POLL_COMMAND );
    }

    eeprom4_read_memory( &eeprom4, 0x00000000, data_read, 6 );

    for ( cnt = 0; cnt < 6; cnt++ )
    {
        log_printf( &logger, " %c ", data_read[cnt] );
    }
    log_printf( &logger, "-----   \r\n" );

    Delay_ms ( 1000 );
    Delay_ms ( 1000 );
}

The full application code, and ready to use projects can be installed directly form compilers IDE(recommneded) or found on LibStock page or mikroE GitHub accaunt.

Other mikroE Libraries used in the example:

  • MikroSDK.Board
  • MikroSDK.Log
  • Click.Eeprom4

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. 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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