rs485isolator  2.0.0.0
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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.

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 :

Example key functions :

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;
LOG_MAP_USB_UART( log_cfg );
log_init( &logger, &log_cfg );
log_info( &logger, " Application Init " );
// Click initialization.
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.


rs485isolator_generic_write
void rs485isolator_generic_write(rs485isolator_t *ctx, uint8_t *data_buf, uint16_t len)
Generic write function.
rs485isolator_init
err_t rs485isolator_init(rs485isolator_t *ctx, rs485isolator_cfg_t *cfg)
Initialization function.
application_task
void application_task(void)
Definition: main.c:104
rs485isolator_cfg_t
Click configuration structure definition.
Definition: rs485isolator.h:132
rs485isolator_set_receiver_mode
void rs485isolator_set_receiver_mode(rs485isolator_t *ctx, uint8_t state)
Set receiver state.
rs485isolator_t
Click ctx object definition.
Definition: rs485isolator.h:115
TEXT_TO_SEND
#define TEXT_TO_SEND
Definition: main.c:38
RS485ISOLATOR_MAP_MIKROBUS
#define RS485ISOLATOR_MAP_MIKROBUS(cfg, mikrobus)
Definition: rs485isolator.h:66
application_init
void application_init(void)
Definition: main.c:78
rs485isolator_cfg_setup
void rs485isolator_cfg_setup(rs485isolator_cfg_t *cfg)
Config Object Initialization function.
rs485isolator_generic_read
err_t rs485isolator_generic_read(rs485isolator_t *ctx, uint8_t *data_buf, uint16_t max_len)
Generic read function.