eeram5v

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EERAM 5V Click

EERAM 5V Click demo application is developed using the NECTO Studio, ensuring compatibility with mikroSDK's open-source libraries and tools. Designed for plug-and-play implementation and testing, the demo is fully compatible with all development, starter, and mikromedia boards featuring a mikroBUS™ socket.

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Click Library

• Author : Jelena Milosavljevic
• Date : Jun 2021.
• Type : I2C type

Software Support

Example Description

This example show using EERAM Click to store the data to the SRAM ( static RAM ) memory. The data is read and written by the I2C serial communication bus, and the memory cells are organized into 2048 bytes, each 8bit wide.

Example Libraries

• MikroSDK.Board
• MikroSDK.Log
• Click.EERAM5V

Example Key Functions

• eeram5v_cfg_setup Config Object Initialization function.

void eeram5v_cfg_setup ( eeram5v_cfg_t *cfg );

• eeram5v_init Initialization function.

err_t eeram5v_init ( eeram5v_t *ctx, eeram5v_cfg_t *cfg );

• eeram5v_generic_read This function reads a desired number of data bytes starting from the selected register by using I2C serial interface.

void eeram5v_generic_read ( eeram5v_t *ctx, uint8_t reg, uint8_t *rx_buf, uint8_t rx_len );

• eeram5v_status_write Status register contains settings for write protection and auto-store function. Use this function to configure them.

void eeram5v_status_write ( eeram5v_t *ctx, uint8_t command );

• eeram5v_status_read Returns the state of the status register.

uint8_t eeram5v_status_read ( eeram5v_t *ctx );

Application Init

EERAM driver initialization.

void application_init ( void ) 
{
    log_cfg_t log_cfg;            /**< Logger config object. */
    eeram5v_cfg_t eeram5v_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.
    
    eeram5v_cfg_setup( &eeram5v_cfg );
    EERAM5V_MAP_MIKROBUS( eeram5v_cfg, MIKROBUS_1 );
    err_t init_flag = eeram5v_init( &eeram5v, &eeram5v_cfg );
    if ( I2C_MASTER_ERROR == init_flag ) {
        log_error( &logger, " Application Init Error. " );
        log_info( &logger, " Please, run program again... " );

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

Application Task

Writing data to Click memory and displaying the read data via UART.

void application_task ( void ) 
{
    log_info( &logger, "Writing MikroE to  SRAM memory, from address 0x0150:" );
    eeram5v_write( &eeram5v, 0x0150, &wr_data, 9 );
    log_info( &logger, "Reading 9 bytes of SRAM memory, from address 0x0150:" );
    eeram5v_read( &eeram5v, 0x0150, &rd_data, 9 );
    log_info( &logger, "Data read: %s", rd_data );
    Delay_ms ( 1000 );
}

Application Output

This Click board can be interfaced and monitored in two ways:

• Application Output - Use the "Application Output" window in Debug mode for real-time data monitoring. Set it up properly by following this tutorial.
• UART Terminal - Monitor data via the UART Terminal using a USB to UART converter. For detailed instructions, check out this tutorial.

Additional Notes and Information

The complete application code and a ready-to-use project are available through the NECTO Studio Package Manager for direct installation in the NECTO Studio. The application code can also be found on the MIKROE GitHub account.

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