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mikroSDK Library

M-BUS RF 4 click

Rating:

5

Author: MIKROE

Last Updated: 2019-10-14

Package Version: 1.0.0.0

mikroSDK Library: 1.0.0.0

Category: Sub-1 GHz Transceivers

Downloaded: 4075 times

Not followed.

License: MIT license  

M-BUS RF 4 Click is a mikroBUS add-on board with a MIPOT 32001324 RF wireless transceiver. This module operates in the 868 MHz SRD Band.

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  • mikroSDK Library 2.0.0.0
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mikroSDK Library Blog

M-BUS RF 4 click

M-BUS RF 4 click

Native view of the M-BUS RF 4 click board.

View full image

Library Description

The library provides the functions of sending commands and receiving data using UART communication. For additional commands and their form - and the number of parameters to be sent, look at the datasheet.

Key functions:

  • void mbusrf4_sendCommand( uint8_t command, uint8_t length, uint8_t *payloadBuff) - Send command - UART communication
  • void mbusrf4_setCommunicationMode(uint8_t mode) - Set communication SPI/UART

Examples description

The application is composed of three sections :

  • System Initialization - Initializes UART Module and sets all the necessary GPIO pins
  • Application Initialization - Initializes driver init, reads basic information and checks communication
  • Application Task - In the RX mode it is waiting to receive data from another module... - In the TX mode sends the data packet....
  • The interrupt routine must be adapted to each separate board MCU card
  • it serves to receive all the data that arrives on the module
void applicationTask()
{
    /* RX App mode */
    if(fDataResp == 1 && _appMode == _MBUSRF4_USER_APP_RX_MODE)
    {
       mikrobus_logWrite ( " ----- NEW - RX DATA ---- ", _LOG_LINE );
       _display_rxBuffer( 20 );
       mikrobus_logWrite ( " ------------------------ ", _LOG_LINE );
       fDataResp = 0;
    }
    
    /* TX App Mode */
    if(_appMode == _MBUSRF4_USER_APP_TX_MODE)
    {
        mbusrf4_sendCommand( _MBUSRF4_CMD_TX_MSG, 18, &txBuffer[0] );
        mikrobus_logWrite ( " --- SEND - TX BUFFER --- ", _LOG_LINE );
        _display_rxBuffer( 5 );
        mikrobus_logWrite ( " ------------------------ ", _LOG_LINE );
        
        Delay_ms( 1500 );
    }
}

Additional Functions :

  • void _display_rxBuffer(uint8_t nBytes) - logs the received data
  • UART Interrupt functions

Other mikroE Libraries used in the example:

  • UART
  • Conversions
  • String

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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