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mikroSDK Library

RS485 Isolator Click

Rating:

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Author: MIKROE

Last Updated: 2024-10-31

Package Version: 2.1.0.15

mikroSDK Library: 2.0.0.0

Category: RS485

Downloaded: 237 times

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License: MIT license  

RS485 Isolator Click is an RS485 communication isolator and carries the ADM2682EBRIZ, a 5 kV rms signal and power isolated RS-485 transceiver.

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  • mikroSDK Library 1.0.0.0
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RS485 Isolator Click

RS485 Isolator Click is an RS485 communication isolator and carries the ADM2682EBRIZ, a 5 kV rms signal and power isolated RS-485 transceiver.

rs485isolator_click.png

Click Product page


Click library

  • Author : MikroE Team
  • Date : Apr 2020.
  • Type : UART type

Software Support

We provide a library for the Rs485Isolator 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 Rs485Isolator Click driver.

Standard key functions :

  • rs485isolator_cfg_setup Config Object Initialization function.

    void rs485isolator_cfg_setup ( rs485isolator_cfg_t *cfg ); 
  • rs485isolator_init Initialization function.

    err_t rs485isolator_init ( rs485isolator_t *ctx, rs485isolator_cfg_t *cfg );

Example key functions :

  • rs485isolator_set_receiver_mode Set receiver state

    void rs485isolator_set_receiver_mode ( rs485isolator_t *ctx, uint8_t state );
  • rs485isolator_generic_read Generic read function.

    err_t rs485isolator_generic_read ( rs485isolator_t *ctx, uint8_t *data_buf, uint16_t max_len );
  • rs485isolator_generic_write Generic write function.

    void rs485isolator_generic_write ( rs485isolator_t *ctx, uint8_t *data_buf, uint16_t len );

Examples Description

This example reads and processes data from RS485 Isolator clicks.

The demo application is composed of two sections :

Application Init

Initializes driver.


void application_init ( void )
{
    log_cfg_t log_cfg;
    rs485isolator_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.
    rs485isolator_cfg_setup( &cfg );
    RS485ISOLATOR_MAP_MIKROBUS( cfg, MIKROBUS_1 );
    rs485isolator_init( &rs485isolator, &cfg );

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

Application Task

Depending on the selected mode, it reads all the received data or sends the desired message every 2 seconds.


void application_task ( void )
{
#ifdef DEMO_APP_TRANSMITTER
    rs485isolator_generic_write( &rs485isolator, TEXT_TO_SEND, strlen ( TEXT_TO_SEND ) );
    log_info( &logger, "---- Data sent ----" );
    Delay_ms ( 1000 );
    Delay_ms ( 1000 );
#else
    rs485isolator_process( );
#endif    
}

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.Rs485Isolator

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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