canfd7

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CAN FD 7 Click

CAN FD 7 Click demo application is developed using the NECTO Studio, ensuring compatibility with mikroSDK's open-source libraries and tools. Designed for plug-and-play implementation and testing, the demo is fully compatible with all development, starter, and mikromedia boards featuring a mikroBUS™ socket.

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Click Library

• Author : Stefan Ilic
• Date : Sep 2023.
• Type : UART type

Software Support

Example Description

This example writes and reads and processes data from CAN FD 7 Click. The library also includes a function for selection of the output polarity.

Example Libraries

• MikroSDK.Board
• MikroSDK.Log
• Click.CANFD7

Example Key Functions

• canfd7_cfg_setup Config Object Initialization function.

void canfd7_cfg_setup ( canfd7_cfg_t *cfg );

• canfd7_init Initialization function.

err_t canfd7_init ( canfd7_t *ctx, canfd7_cfg_t *cfg );

• canfd7_default_cfg Click Default Configuration function.

void canfd7_default_cfg ( canfd7_t *ctx );

• canfd7_generic_write CAN FD 7 data writing function.

err_t canfd7_generic_write ( canfd7_t *ctx, uint8_t *data_in, uint16_t len ) 

• canfd7_generic_read CAN FD 7 data reading function.

err_t canfd7_generic_read ( canfd7_t *ctx, uint8_t *data_out, uint16_t len );

• canfd7_set_stb_pin CAN FD 7 set STB pin function.

void canfd7_set_stb_pin ( canfd7_t *ctx, uint8_t pin_state );

Application Init

Initializes the driver and performs the Click default configuration.

void application_init ( void ) 
{
    log_cfg_t log_cfg;  /**< Logger config object. */
    canfd7_cfg_t canfd7_cfg;  /**< Click config object. */

    /** 
     * 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.
    canfd7_cfg_setup( &canfd7_cfg );
    CANFD7_MAP_MIKROBUS( canfd7_cfg, MIKROBUS_POSITION_CANFD7 );
    if ( UART_ERROR == canfd7_init( &canfd7, &canfd7_cfg ) ) 
    {
        log_error( &logger, " Communication init." );
        for ( ; ; );
    }
    
    canfd7_default_cfg ( &canfd7 );
    
#ifdef DEMO_APP_TRANSMITTER
    log_info( &logger, "---- Transmitter mode ----" );
#else
    log_info( &logger, "---- Receiver mode ----" );
#endif 
    
    log_info( &logger, " Application Task " );
}

Application Task

This example contains Transmitter/Receiver task depending on uncommented code. Receiver logs each received byte to the UART for data logging, while the transmitter sends messages every 2 seconds.

void application_task ( void ) 
{
#ifdef DEMO_APP_TRANSMITTER
    canfd7_generic_write( &canfd7, TX_MESSAGE, strlen( TX_MESSAGE ) );
    log_info( &logger, "---- Data sent ----" );
    Delay_ms ( 1000 );
    Delay_ms ( 1000 );
#else
    canfd7_process( &canfd7 );
#endif
}

Application Output

This Click board can be interfaced and monitored in two ways:

• Application Output - Use the "Application Output" window in Debug mode for real-time data monitoring. Set it up properly by following this tutorial.
• UART Terminal - Monitor data via the UART Terminal using a USB to UART converter. For detailed instructions, check out this tutorial.

Additional Notes and Information

The complete application code and a ready-to-use project are available through the NECTO Studio Package Manager for direct installation in the NECTO Studio. The application code can also be found on the MIKROE GitHub account.

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