0901DSmicrochipL1.doc/Listing 1



#include "system\usb\usb.h" 
#include "io_cfg.h" 

void main(void)
{
    InitializeSystem();
    while(1)
    {
        USBTasks();         // USB Tasks
        HelloWorld();       // send a message to the world
    }//end while
}//end main 

HelloWorld(void)
{    
   If ( mUSBUSARTIsTxTrfReady())		  // check if Tx buffer empty
       putrsUSBUSART( "Hello World!\r\n") // send a new text string 
} // Hello World