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mikroSDK Library

CAN FD 2 click

Rating:

5

Author: MIKROE

Last Updated: 2020-04-10

Package Version: 1.0.0.0

mikroSDK Library: 1.0.0.0

Category: CAN

Downloaded: 3497 times

Not followed.

License: MIT license  

CAN FD 2 Click is a Click boardâ„¢ based on TLE9252V CAN network transceiver, it drives the signals to the bus and protects the microcontroller from interference generated within the network.

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  • mikroSDK Library 2.0.0.0
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mikroSDK Library Blog

CAN FD 2 Click

CAN FD 2 Click

Native view of the CAN FD 2 Click board.

View full image
CAN FD 2 Click

CAN FD 2 Click

Front and back view of the CAN FD 2 Click board.

View full image

Library Description

The library covers all the necessary functions to control CAN FD 2 Click board. Library performs a standard UART communication.

Key functions:

  • void canfd2_set_mode ( uint8_t op_mode ) - Set operating mode function.
  • void canfd2_read_block ( uint8_t *read_data, uint16_t length ) - Read block function.
  • void canfd2_write_block ( uint8_t *write_data, uint16_t length ) - Write block function.

Examples description

The application is composed of three sections :

  • System Initialization - Initializes UART, sets CS pins as output.
  • Application Initialization - Initialization driver enables - UART and SPI, performs an app mode, also write log.
  • Application Task - (code snippet) This is an example that demonstrates the use of the CAN FD 2 click board. This application task writes message data via UART every 3 seconds. In the second case, checks if new data byte have received in RX buffer ( ready for reading ), and if ready than reads one byte from RX buffer. Results are being sent to the Usart Terminal where you can track their changes.
void application_task ( )
{
    if ( app_mode == APP_MODE_RECEIVER )
    {
        // RECEIVER - UART polling
        char rd_msg[ 10 ] = { 0 };

        canfd2_read_block( &rd_msg[ 0 ], 8 );
        mikrobus_logWrite( rd_msg, _LOG_TEXT );
    }
    else
    {
        // TRANSMITER - TX each 3 sec

        canfd2_write_block( &demo_message_data[ 0 ], 8 );

        Delay_ms( 3000 );
    }
}

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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