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 ******************** (C) COPYRIGHT 2010 NXPSemiconductors *******************
 * @file    USBDEV\USBHID\abstract.txt 
 * @author  NXP MCU SW Application Team
 * @version 2.0
 * @date    
 * @brief   Description of the USBDEV HID example.
 ******************************************************************************
 * Software that is described herein is for illustrative purposes only
 * which provides customers with programming information regarding the
 * products. This software is supplied "AS IS" without any warranties.
 * NXP Semiconductors assumes no responsibility or liability for the
 * use of the software, conveys no license or title under any patent,
 * copyright, or mask work right to the product. NXP Semiconductors
 * reserves the right to make changes in the software without
 * notification. NXP Semiconductors also make no representation or
 * warranty that such application will be suitable for the specified
 * use without further testing or modification.
 ******************************************************************************
  
@Example description:
	Purpose:
		This example describes how to use USBDEV on LPC1768 to run a simple HID application.
	Process:			                                                  
		Clock Settings:
		   - XTAL                   =  12 MHz
		   - PLL                    =  400 MHz
		   - processor clock = CCLK =  100 MHz
		   - USB clock              =  48 MHz
		   - CCLK / 4 clock         =  25 MHz

		It demonstrates an USB HID (Human Interface Device):
		  -  LEDs (LEDs controlled by P1.28, P1.29, P1.31, P2.2-6)
		  -  Push Button (INT0)
		
		The USB HID is recognized by the host PC running Windows
		which will load a generic HID driver. The board LEDs
		and Push Buttons can then be accessed from the PC
		through a custom HID Client Program.

@Directory contents:
	\app: HID Client application, use to test HID class in this example.
	\EWARM: includes EWARM (IAR) project and configuration files
	\Keil:	includes RVMDK (Keil)project and configuration files 
	
	hid.h: USB HID (Human Interface Device) Definitions
	hiduser.h/.c: HID Custom User module
	lpc17xx_libcfg.h: Library configuration file - include needed driver library for this example 
	usb.h:  USB Definitions
	usbcfg.h: USB Custom Configuration
	usbcore.h/.c: USB Core Module
	usbdesc.h/.c: USB Descriptors
	usbhw.h/.c: SB Hardware Layer Module
	usbreg.h: USB Hardware Layer Definitions for NXP Semiconductors LPC 
	usbuser.h/.c: USB Custom User Module	
	makefile: Example's makefile (to build with GNU toolchain)
	demo.h/.c: Main program

@How to run:
	Hardware configuration:		
		This example was tested only on:
			Keil MCB1700 with LPC1768 vers.1
				These jumpers must be configured as following:
				- VDDIO: ON
				- VDDREGS: ON 
				- VBUS: ON
				- LED: ON
				- INT1: ON
				- D+: DEVICE
				- D-: DEVICE
				- UMODE: 1-2 (USB)
				- E/U: 1-2 (USB)
				- Remain jumpers: OFF
	
	Running mode:
		RAM mode:   This example can be run on RAM mode with debugger. 
					All files must be build to .elf file, this file will be loaded into RAM through a 
					debugger tool before running 
		ROM(FLASH)mode: This example can be run on ROM mode with debugger or standalone after burning. 
					All files in each example must be built to .hex file. This file will be burned into 
					ROM(Flash) memory through an external tool (i.e: Flash Magic...) befor running.
					
					Note: If want to burn hex file to board by using Flash Magic, these jumpers need
					to be connected:
					- MCB1700 with LPC1768 ver.1:
						+ RST: ON
						+ ISP: ON
					- IAR LPC1768 KickStart vers.A:
						+ RST_E: ON
						+ ISP_E: ON
		
		(Please reference "LPC1000 Software Development Toolchain" - chapter 4 "Creating and working with
		LPC1000CMSIS project" for more information)
	
	Step to run:
		- Step 1: Build example.
		- Step 2: Burn hex file into board (if run on ROM mode)
		- Step 3: Configure hardware as above instruction 
		- Step 4: Hit reset button to run example.
		- Step 5: After see UGL(USB Good Link) led on board turn on, run HIDClient application
				  by clicking HIDClient.ext at USBHID\app folder
		- Step 6: Chose "LPC17xx HID" device.
		- Step 7: Click in any boxes on Outputs (LEDs) to turn on/off 8 LEDs on board
		- Step 8: Hit INT1 button and see if Inputs(BUTTON) box-0 turn on or not
		
		(Pls see "LPC17xx Example Description" document - chapter "Examples > USBDEV > USBHID"
		for more details)
		
@Tip:
	- Open \EWARM\*.eww project file to run example on IAR
	- Open \RVMDK\*.uvproj project file to run example on Keil