Library Description

The library covers all the necessary functions to control USB-C Source Click board™. A library performs the communication with the device via I2C interface.

Key functions:

• void usbcsource_default_config ( void ) - Default configuration function.
• uint8_t usbcsource_get_pdo_config ( uint8_t pdo_numb, pdo_config_t *pdo_cfg_data ) - Get PDO configuration function.
• void usbcsource_get_port_status ( port_status_t *port_status_data ) - Get port status function.

Examples description

The application is composed of three sections :

• System Initialization - Initializes I2C and start to write log.
• Application Initialization - Initialization driver enables - I2C, set hardware reset and default configuration and display configuration of the five PDOs, also write log.
• Application Task - (code snippet) This is an example that demonstrates the use of the USB-C Source Click board™. In this example, we show port status, monitoring, and connections. All data logs write on USB uart changes every 5 sec.

void application_task ( )
{
    usbcsource_get_port_status( &port_status );
    display_port_status( );
    Delay_ms( 100 );
    mikrobus_logWrite( "- - - - - - - - - - - - - -", _LOG_TEXT );
    mikrobus_logWrite( "- - - - - - - - - - - - - -", _LOG_LINE );
    
    usbcsource_get_monitoring_status( &monitor_status );
    display_monitoring_status( );
    Delay_ms( 100 );
    mikrobus_logWrite( "- - - - - - - - - - - - - -", _LOG_TEXT );
    mikrobus_logWrite( "- - - - - - - - - - - - - -", _LOG_LINE );
    
    usbcsource_get_connection_status( &conn_status );
    display_connection_status( );
    Delay_ms( 100 );
    mikrobus_logWrite( "---------------------------", _LOG_TEXT );
    mikrobus_logWrite( "---------------------------", _LOG_LINE );
    Delay_ms( 5000 );
}

Additional Functions :

• void display_port_status ( ) - Display port status info.
• void display_monitoring_status ( ) - Display monitoring status info.
• void display_connection_status ( ) - Display connection status info.

Other mikroE Libraries used in the example:

• I2C
• UART
• Conversions

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.