www.pudn.com > USB_HID.rar > demo.c

/*---------------------------------------------------------------------------- 
 *      Name:    DEMO.C 
 *      Purpose: USB HID Demo 
 *      Version: V1.03 
 *---------------------------------------------------------------------------- 
 *      This file is part of the uVision/ARM development tools. 
 *      Copyright (c) 2005 Keil Software. All rights reserved. 
 *---------------------------------------------------------------------------*/ 
 
#include                         /* LPC214x definitions */ 
 
#include "type.h" 
 
#include "usb.h" 
#include "usbcfg.h" 
#include "usbhw.h" 
#include "usbcore.h" 
 
#include "demo.h" 
 
 
BYTE InReport;                              /* HID Input Report */ 
                                            /*   Bit0:    Button */ 
                                            /*   Bit1..7: Reserved */ 
 
BYTE OutReport;                             /* HID Out Report */ 
                                            /*   Bit0..7: LEDs */ 
 
 
/* 
 *  Get HID Input Report -> InReport 
 */ 
 
void GetInReport (void) { 
 
  if ((IOPIN0 & PBINT) == 0) {              /* Check if PBINT is pressed */ 
    InReport = 0x01; 
  } else { 
    InReport = 0x00; 
  } 
} 
 
 
/* 
 *  Set HID Output Report <- OutReport 
 */ 
 
void SetOutReport (void) { 
 
  IOPIN1 = (IOPIN1 & ~LEDMSK) | (OutReport << 16); 
} 
 
 
/* Main Program */ 
 
int main (void) { 
 
  PINSEL1 = 0x40004000;                     /* Select USB Link, VBUS */ 
  IODIR1  = LEDMSK;                         /* LED's defined as Outputs */ 
 
  USB_Init();                               /* USB Initialization */ 
  USB_Connect(TRUE);                        /* USB Connect */ 
 
  while (1);                                /* Loop forever */ 
}