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 ******************** (C) COPYRIGHT 2010 NXPSemiconductors *******************
 * @file    TIMER\Polling_Match\abstract.txt 
 * @author  NXP MCU SW Application Team
 * @version 2.0
 * @date    
 * @brief   Description of the TIMER Polling Match 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 Timer Match to generate specific time
		in polling mode.
	Process:
		In this case, the specific time generated is 1s.
		Timer configuration:
			- Timer channel: 0
			- Prescaler in microsecond value
			- prescaler value = 100us
		Match configuration:
			- Use channel 0, MR0
			- Match value = 1000
			Because timer tick = prescaler = 100us
			So match time = 100 * 1000 = 100000us = 100ms
			- Timer reset after match
			- Not stop MR0 when match
			- Toggle MR0.0 when match
			Because match time = 100ms
			So MAT0.0 will be toggled at frequency = 10Hz
			- Generate match interrupt 
		Using 'TIM_GetIntStatus( )' to wait until interrupt flag for MR0 is set.
		When MR0 matches the value in the TC, interrupt flag MR0I is set, the program run out of 
		loop function and notice match interrupt occur, MAT0.0 pin (P1.28) is toggled. 
		
		Note that: print data via UART can cause delay when match time set is too small.

@Directory contents:
	\EWARM: includes EWARM (IAR) project and configuration files
	\Keil:	includes RVMDK (Keil)project and configuration files 
	 
	lpc17xx_libcfg.h: Library configuration file - include needed driver library for this example 
	makefile: Example's makefile (to build with GNU toolchain)
	timer_poll_match.c: Main program

@How to run:
	Hardware configuration:		
		This example was tested on:
			Keil MCB1700 with LPC1768 vers.1
				These jumpers must be configured as following:
				- VDDIO: ON
				- VDDREGS: ON 
				- VBUS: ON
				- Remain jumpers: OFF
			IAR LPC1768 KickStart vers.A
				These jumpers must be configured as following:
				- PWR_SEL: depend on power source
				- DBG_EN : ON
				- Remain jumpers: OFF
				
	Serial display configuration: (e.g: TeraTerm, Hyperterminal, Flash Magic...) 
		– 115200bps 
		– 8 data bit 
		– No parity 
		– 1 stop bit 
		– No flow control 
	
	Running mode:
		This example can run on RAM/ROM mode.
					
		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: Connect UART0 on this board to COM port on your computer
		- Step 4: Configure hardware and serial display as above instruction 
		- Step 5: Run example and observe match interrupt notice on serial display
				+ On MCB1700 board: MAT0.0(P1.28) connect with LED P1.28, so you can observe MAT0.0 toggle via 
				LED P1.28 blinky process.
				+ On IAR board: MAT0.0 signal can be observed by oscilloscope or wire P1.28 pin with LED1(P1.25)
				
		(Pls see "LPC17xx Example Description" document - chapter "Examples > TIMER > Polling_Match"
		for more details)
		
@Tip:
	- Open \EWARM\*.eww project file to run example on IAR
	- Open \RVMDK\*.uvproj project file to run example on Keil