demo.c

来自「[HID]arm 上的usb接口hid驱动」· C语言 代码 · 共 66 行

/*----------------------------------------------------------------------------
 *      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.H>                        /* 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 */
}