exercise_02.txt

USB的开发例子,用PIC18F4550实现.可以和电脑用USB控制连接.

void Exercise_02(void)
{
    /* Insert code here - 3 lines*/
    if(Switch3IsPressed())
    {
        if(mUSBUSARTIsTxTrfReady())
        {
            putrsUSBUSART(ex02_string);
        }
    }
    /* End */
    
}//end Exercise_02