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mikroSDK Library

CAN FD 4 click

Rating:

5

Author: MIKROE

Last Updated: 2020-05-12

Package Version: 1.0.0.0

mikroSDK Library: 1.0.0.0

Category: CAN

Downloaded: 3175 times

Not followed.

License: MIT license  

The CAN FD 4 Click is a Click board that features the NCV7344D10R2G, a Controller Area Network (CAN) transceiver, from ON Semiconductor.

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  • mikroSDK Library 2.0.0.0
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mikroSDK Library Blog

CAN FD 4 click

CAN FD 4 click

Native view of the CAN FD 4 click board.

View full image
CAN FD 4 click

CAN FD 4 click

Front and back view of the CAN FD 4 click board.

View full image

Library Description

Library provides functions for communication via UART module, and a function for controlling cs pin, which sets device mode.

Key functions:

  • void canfd4_write_byte ( uint8_t input ) - Writes single byte of data
  • uint8_t canfd4_read_byte( ) - Reads single byte of data
  • uint8_t canfd4_byte_ready ( ) - Checks if new data ic received

Examples description

The application is composed of three sections :

  • System Initialization - Intializes UART module
  • Application Initialization - Driver intialization
  • Application Task - Choose one mode (read or write) of task. If you reading it checks if data is ready to be read and then reads one byte and if you are wiriting send data via UART.
void application_task ( )
{
    char tmp;
    uint8_t drdy_flag;

    if ( app_mode == APP_MODE_RECEIVER )
    {
        // RECEIVER - UART polling 

        drdy_flag = canfd4_byte_ready( );

        if ( 1 == drdy_flag )
        {
            tmp = canfd4_read_byte( );
            mikrobus_logWrite( &tmp, _LOG_BYTE );
        }
    }
    else
    {
        // TRANSMITER - TX each 2 sec
      
        for ( tmp = 0; tmp < 9; tmp++ )
        {
            canfd4_write_byte( demo_message_data[ tmp ] );
            mikrobus_logWrite( ">> MESSAGE SENT <<", _LOG_LINE );
        }
        Delay_ms(2000);
    }
}

Other mikroE Libraries used in the example:

  • UART

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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