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mikroSDK Library

Semper Flash 2 click

Rating:

5

Author: MIKROE

Last Updated: 2020-03-20

Package Version: 1.0.0.0

mikroSDK Library: 1.0.0.0

Category: FLASH

Downloaded: 3188 times

Not followed.

License: MIT license  

The Semper Flash 2 Click is a Click board which features the S25HL512T, a perfect solution for the mass storage option in various embedded applications. With fast performance being one of its key features, Semper Flash 2 click can also be used for the code shadowing, execute-in-place (XIP), and data storage.

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  • mikroSDK Library 2.0.0.0
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mikroSDK Library Blog

Semper Flash 2 Click

Semper Flash 2 Click

Native view of the Semper Flash 2 Click board.

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Semper Flash 2 Click

Semper Flash 2 Click

Front and back view of the Semper Flash 2 Click board.

View full image

Library Description

Library provides functions for using SPI module, changing pin states. Also it gives you function for controlling memory of device.

Key functions:

  • void semperflash2_send_cmd ( uint8_t cmd ) - Function for sending one byte of data
  • void semperflash2_transfer_data ( uint8_t *write_buf, uint8_t *read_buf, uint16_t buf_size ) - Function for transfering data via SPI module
  • void semperflash2_write_data ( uint8_t *data_buf, uint16_t buf_size ) - Function for writing data via SPI module
  • void semperflash2_write_config ( seperflash2_cfg_t *cfg_data ) - Function for writing new config to device
  • uint8_t semperflash2_read_memory ( uint32_t addr, uint8_t *data_buf, uint16_t buf_size ) - Function for reading memory from specific address
  • uint8_t semperflash2_write_memory ( uint32_t addr, uint8_t *data_buf, uint16_t buf_size ) - Function for writing memory to specific address

Examples description

The application is composed of three sections :

  • System Initialization - Initialization of SPI module and setting pins to output
  • Application Initialization - Configure device reads manufacturer id and device id and writes device id
  • Application Task - Erases memory of one address and then on one cycle writes one buffer and on the other writes other one
void application_task ( )
{
    memset( &read_buf_data[ 0 ], 0, 13 );
    semperflash2_send_cmd( SEMPERFLASH2_WRITE_ENABLE );
    semperflash2_erase_memory( ADRESS_MEMORY );
    Delay_ms( 1000 );
    
    if ( COMPANY_FLAG == txt_flag )
    {
       semperflash2_send_cmd( SEMPERFLASH2_WRITE_ENABLE );
       status_data = semperflash2_write_memory( ADRESS_MEMORY, &write_data_com[ 0 ], 7 );
       error_handler( status_data );
       status_data = semperflash2_read_memory( ADRESS_MEMORY, &read_buf_data[ 0 ], 7 );
       error_handler( status_data );
       mikrobus_logWrite( read_buf_data, _LOG_LINE );
       txt_flag = CLICK_FLAG;
    }
    else if ( CLICK_FLAG == txt_flag )
    {
       semperflash2_send_cmd( SEMPERFLASH2_WRITE_ENABLE );
       status_data = semperflash2_write_memory( ADRESS_MEMORY, &write_data_clk[ 0 ], 13 );
       error_handler( status_data );
       status_data = semperflash2_read_memory( ADRESS_MEMORY, &read_buf_data[ 0 ], 13 );
       error_handler( status_data );
       mikrobus_logWrite( read_buf_data, _LOG_LINE );
       txt_flag = COMPANY_FLAG;
    }
    mikrobus_logWrite( "....................", _LOG_LINE );
    Delay_ms( 2000 );
}


Additional Functions :

  • void error_handler ( uint8_t stat ) - Proceses return of the function and if it is error logs witch one it is

The full application code, and ready to use projects can be found on our LibStock page.

Other mikroE Libraries used in the example:

  • SPI
  • Conversions

Additional notes and informations

Depending on the development board you are using, you may need USB UART clickUSB 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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