559 lines
		
	
	
		
			18 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
		
		
			
		
	
	
			559 lines
		
	
	
		
			18 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
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								/**********************************************************************
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								* $Id$		lpc17xx_timer.c				2011-03-10
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								*//**
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								* @file		lpc17xx_timer.c
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								* @brief	Contains all functions support for Timer firmware library
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								* 			on LPC17xx
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								* @version	3.1
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								* @date		10. March. 2011
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								* @author	NXP MCU SW Application Team
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								*
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								* Copyright(C) 2011, NXP Semiconductor
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								* All rights reserved.
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								*
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								***********************************************************************
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								* Software that is described herein is for illustrative purposes only
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								* which provides customers with programming information regarding the
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								* products. This software is supplied "AS IS" without any warranties.
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								* NXP Semiconductors assumes no responsibility or liability for the
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								* use of the software, conveys no license or title under any patent,
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								* copyright, or mask work right to the product. NXP Semiconductors
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								* reserves the right to make changes in the software without
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								* notification. NXP Semiconductors also make no representation or
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								* warranty that such application will be suitable for the specified
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								* use without further testing or modification.
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								* Permission to use, copy, modify, and distribute this software and its
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								* documentation is hereby granted, under NXP Semiconductors'
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								* relevant copyright in the software, without fee, provided that it
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								* is used in conjunction with NXP Semiconductors microcontrollers.  This
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								* copyright, permission, and disclaimer notice must appear in all copies of
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								* this code.
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								**********************************************************************/
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								/* Peripheral group ----------------------------------------------------------- */
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								/** @addtogroup TIM
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								 * @{
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								 */
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								/* Includes ------------------------------------------------------------------- */
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								#include "lpc17xx_timer.h"
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								#include "lpc17xx_clkpwr.h"
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								#include "lpc17xx_pinsel.h"
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								/* If this source file built with example, the LPC17xx FW library configuration
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								 * file in each example directory ("lpc17xx_libcfg.h") must be included,
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								 * otherwise the default FW library configuration file must be included instead
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								 */
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								#ifdef __BUILD_WITH_EXAMPLE__
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								#include "lpc17xx_libcfg.h"
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								#else
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								#include "lpc17xx_libcfg_default.h"
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								#endif /* __BUILD_WITH_EXAMPLE__ */
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								#ifdef _TIM
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								/* Private Functions ---------------------------------------------------------- */
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								static uint32_t getPClock (uint32_t timernum);
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								static uint32_t converUSecToVal (uint32_t timernum, uint32_t usec);
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								static uint32_t converPtrToTimeNum (LPC_TIM_TypeDef *TIMx);
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								/*********************************************************************//**
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								 * @brief 		Get peripheral clock of each timer controller
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								 * @param[in]	timernum Timer number
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								 * @return 		Peripheral clock of timer
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								 **********************************************************************/
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								static uint32_t getPClock (uint32_t timernum)
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								{
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									uint32_t clkdlycnt;
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									switch (timernum)
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									{
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									case 0:
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										clkdlycnt = CLKPWR_GetPCLK (CLKPWR_PCLKSEL_TIMER0);
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										break;
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									case 1:
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										clkdlycnt = CLKPWR_GetPCLK (CLKPWR_PCLKSEL_TIMER1);
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										break;
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									case 2:
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										clkdlycnt = CLKPWR_GetPCLK (CLKPWR_PCLKSEL_TIMER2);
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										break;
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									case 3:
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										clkdlycnt = CLKPWR_GetPCLK (CLKPWR_PCLKSEL_TIMER3);
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										break;
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									}
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									return clkdlycnt;
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								}
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								/*********************************************************************//**
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								 * @brief 		Convert a time to a timer count value
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								 * @param[in]	timernum Timer number
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								 * @param[in]	usec Time in microseconds
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								 * @return 		The number of required clock ticks to give the time delay
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								 **********************************************************************/
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								uint32_t converUSecToVal (uint32_t timernum, uint32_t usec)
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								{
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									uint64_t clkdlycnt;
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									// Get Pclock of timer
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									clkdlycnt = (uint64_t) getPClock(timernum);
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									clkdlycnt = (clkdlycnt * usec) / 1000000;
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									return (uint32_t) clkdlycnt;
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								}
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								/*********************************************************************//**
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								 * @brief 		Convert a timer register pointer to a timer number
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								 * @param[in]	TIMx Pointer to LPC_TIM_TypeDef, should be:
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								 * 				- LPC_TIM0: TIMER0 peripheral
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								 * 				- LPC_TIM1: TIMER1 peripheral
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								 * 				- LPC_TIM2: TIMER2 peripheral
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								 * 				- LPC_TIM3: TIMER3 peripheral
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								 * @return 		The timer number (0 to 3) or 0xFFFF FFFF if register pointer is bad
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								 **********************************************************************/
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								uint32_t converPtrToTimeNum (LPC_TIM_TypeDef *TIMx)
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								{
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									uint32_t tnum = 0xFFFFFFFF;
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									if (TIMx == LPC_TIM0)
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									{
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										tnum = 0;
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									}
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									else if (TIMx == LPC_TIM1)
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									{
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										tnum = 1;
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									}
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									else if (TIMx == LPC_TIM2)
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									{
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										tnum = 2;
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									}
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									else if (TIMx == LPC_TIM3)
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									{
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										tnum = 3;
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									}
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									return tnum;
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								}
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								/* End of Private Functions ---------------------------------------------------- */
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								/* Public Functions ----------------------------------------------------------- */
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								/** @addtogroup TIM_Public_Functions
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								 * @{
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								 */
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								/*********************************************************************//**
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								 * @brief 		Get Interrupt Status
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								 * @param[in]	TIMx Timer selection, should be:
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								 *   			- LPC_TIM0: TIMER0 peripheral
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								 * 				- LPC_TIM1: TIMER1 peripheral
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								 * 				- LPC_TIM2: TIMER2 peripheral
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								 * 				- LPC_TIM3: TIMER3 peripheral
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								 * @param[in]	IntFlag: interrupt type, should be:
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								 * 				- TIM_MR0_INT: Interrupt for Match channel 0
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								 * 				- TIM_MR1_INT: Interrupt for Match channel 1
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								 * 				- TIM_MR2_INT: Interrupt for Match channel 2
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								 * 				- TIM_MR3_INT: Interrupt for Match channel 3
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								 * 				- TIM_CR0_INT: Interrupt for Capture channel 0
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								 * 				- TIM_CR1_INT: Interrupt for Capture channel 1
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								 * @return 		FlagStatus
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								 * 				- SET : interrupt
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								 * 				- RESET : no interrupt
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								 **********************************************************************/
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								FlagStatus TIM_GetIntStatus(LPC_TIM_TypeDef *TIMx, TIM_INT_TYPE IntFlag)
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								{
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									uint8_t temp;
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									CHECK_PARAM(PARAM_TIMx(TIMx));
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									CHECK_PARAM(PARAM_TIM_INT_TYPE(IntFlag));
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									temp = (TIMx->IR)& TIM_IR_CLR(IntFlag);
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									if (temp)
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										return SET;
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									return RESET;
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								}
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								/*********************************************************************//**
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								 * @brief 		Clear Interrupt pending
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								 * @param[in]	TIMx Timer selection, should be:
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								 *    			- LPC_TIM0: TIMER0 peripheral
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								 * 				- LPC_TIM1: TIMER1 peripheral
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								 * 				- LPC_TIM2: TIMER2 peripheral
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								 * 				- LPC_TIM3: TIMER3 peripheral
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								 * @param[in]	IntFlag: interrupt type, should be:
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								 * 				- TIM_MR0_INT: Interrupt for Match channel 0
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								 * 				- TIM_MR1_INT: Interrupt for Match channel 1
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								 * 				- TIM_MR2_INT: Interrupt for Match channel 2
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								 * 				- TIM_MR3_INT: Interrupt for Match channel 3
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								 * 				- TIM_CR0_INT: Interrupt for Capture channel 0
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								 * 				- TIM_CR1_INT: Interrupt for Capture channel 1
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								 * @return 		None
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								 **********************************************************************/
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								void TIM_ClearIntPending(LPC_TIM_TypeDef *TIMx, TIM_INT_TYPE IntFlag)
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								{
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									CHECK_PARAM(PARAM_TIMx(TIMx));
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									CHECK_PARAM(PARAM_TIM_INT_TYPE(IntFlag));
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									TIMx->IR = TIM_IR_CLR(IntFlag);
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								}
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								/*********************************************************************//**
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								 * @brief 		Configuration for Timer at initial time
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								 * @param[in] 	TimerCounterMode timer counter mode, should be:
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								 * 				- TIM_TIMER_MODE: Timer mode
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								 * 				- TIM_COUNTER_RISING_MODE: Counter rising mode
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								 * 				- TIM_COUNTER_FALLING_MODE: Counter falling mode
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								 * 				- TIM_COUNTER_ANY_MODE:Counter on both edges
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								 * @param[in] 	TIM_ConfigStruct pointer to TIM_TIMERCFG_Type or
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								 * 				TIM_COUNTERCFG_Type
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								 * @return 		None
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								 **********************************************************************/
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								void TIM_ConfigStructInit(TIM_MODE_OPT TimerCounterMode, void *TIM_ConfigStruct)
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								{
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									if (TimerCounterMode == TIM_TIMER_MODE )
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									{
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										TIM_TIMERCFG_Type * pTimeCfg = (TIM_TIMERCFG_Type *)TIM_ConfigStruct;
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										pTimeCfg->PrescaleOption = TIM_PRESCALE_USVAL;
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										pTimeCfg->PrescaleValue = 1;
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									}
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									else
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									{
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										TIM_COUNTERCFG_Type * pCounterCfg = (TIM_COUNTERCFG_Type *)TIM_ConfigStruct;
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										pCounterCfg->CountInputSelect = TIM_COUNTER_INCAP0;
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									}
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								}
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								/*********************************************************************//**
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								 * @brief 		Initial Timer/Counter device
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								 * 				 	Set Clock frequency for Timer
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								 * 					Set initial configuration for Timer
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								 * @param[in]	TIMx  Timer selection, should be:
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								 * 				- LPC_TIM0: TIMER0 peripheral
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								 * 				- LPC_TIM1: TIMER1 peripheral
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								 * 				- LPC_TIM2: TIMER2 peripheral
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								 * 				- LPC_TIM3: TIMER3 peripheral
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								 * @param[in]	TimerCounterMode Timer counter mode, should be:
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								 * 				- TIM_TIMER_MODE: Timer mode
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								 * 				- TIM_COUNTER_RISING_MODE: Counter rising mode
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								 * 				- TIM_COUNTER_FALLING_MODE: Counter falling mode
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								 * 				- TIM_COUNTER_ANY_MODE:Counter on both edges
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								 * @param[in]	TIM_ConfigStruct pointer to TIM_TIMERCFG_Type
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								 * 				that contains the configuration information for the
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								 *                    specified Timer peripheral.
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								 * @return 		None
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								 **********************************************************************/
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								void TIM_Init(LPC_TIM_TypeDef *TIMx, TIM_MODE_OPT TimerCounterMode, void *TIM_ConfigStruct)
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						||
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								 | 
							
								{
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									TIM_TIMERCFG_Type *pTimeCfg;
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									TIM_COUNTERCFG_Type *pCounterCfg;
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						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
									CHECK_PARAM(PARAM_TIMx(TIMx));
							 | 
						||
| 
								 | 
							
									CHECK_PARAM(PARAM_TIM_MODE_OPT(TimerCounterMode));
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
									//set power
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
									if (TIMx== LPC_TIM0)
							 | 
						||
| 
								 | 
							
									{
							 | 
						||
| 
								 | 
							
										CLKPWR_ConfigPPWR (CLKPWR_PCONP_PCTIM0, ENABLE);
							 | 
						||
| 
								 | 
							
										//PCLK_Timer0 = CCLK/4
							 | 
						||
| 
								 | 
							
										CLKPWR_SetPCLKDiv (CLKPWR_PCLKSEL_TIMER0, CLKPWR_PCLKSEL_CCLK_DIV_4);
							 | 
						||
| 
								 | 
							
									}
							 | 
						||
| 
								 | 
							
									else if (TIMx== LPC_TIM1)
							 | 
						||
| 
								 | 
							
									{
							 | 
						||
| 
								 | 
							
										CLKPWR_ConfigPPWR (CLKPWR_PCONP_PCTIM1, ENABLE);
							 | 
						||
| 
								 | 
							
										//PCLK_Timer1 = CCLK/4
							 | 
						||
| 
								 | 
							
										CLKPWR_SetPCLKDiv (CLKPWR_PCLKSEL_TIMER1, CLKPWR_PCLKSEL_CCLK_DIV_4);
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
									}
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
									else if (TIMx== LPC_TIM2)
							 | 
						||
| 
								 | 
							
									{
							 | 
						||
| 
								 | 
							
										CLKPWR_ConfigPPWR (CLKPWR_PCONP_PCTIM2, ENABLE);
							 | 
						||
| 
								 | 
							
										//PCLK_Timer2= CCLK/4
							 | 
						||
| 
								 | 
							
										CLKPWR_SetPCLKDiv (CLKPWR_PCLKSEL_TIMER2, CLKPWR_PCLKSEL_CCLK_DIV_4);
							 | 
						||
| 
								 | 
							
									}
							 | 
						||
| 
								 | 
							
									else if (TIMx== LPC_TIM3)
							 | 
						||
| 
								 | 
							
									{
							 | 
						||
| 
								 | 
							
										CLKPWR_ConfigPPWR (CLKPWR_PCONP_PCTIM3, ENABLE);
							 | 
						||
| 
								 | 
							
										//PCLK_Timer3= CCLK/4
							 | 
						||
| 
								 | 
							
										CLKPWR_SetPCLKDiv (CLKPWR_PCLKSEL_TIMER3, CLKPWR_PCLKSEL_CCLK_DIV_4);
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
									}
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
									TIMx->CCR &= ~TIM_CTCR_MODE_MASK;
							 | 
						||
| 
								 | 
							
									TIMx->CCR |= TIM_TIMER_MODE;
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
									TIMx->TC =0;
							 | 
						||
| 
								 | 
							
									TIMx->PC =0;
							 | 
						||
| 
								 | 
							
									TIMx->PR =0;
							 | 
						||
| 
								 | 
							
									TIMx->TCR |= (1<<1); //Reset Counter
							 | 
						||
| 
								 | 
							
									TIMx->TCR &= ~(1<<1); //release reset
							 | 
						||
| 
								 | 
							
									if (TimerCounterMode == TIM_TIMER_MODE )
							 | 
						||
| 
								 | 
							
									{
							 | 
						||
| 
								 | 
							
										pTimeCfg = (TIM_TIMERCFG_Type *)TIM_ConfigStruct;
							 | 
						||
| 
								 | 
							
										if (pTimeCfg->PrescaleOption  == TIM_PRESCALE_TICKVAL)
							 | 
						||
| 
								 | 
							
										{
							 | 
						||
| 
								 | 
							
											TIMx->PR   = pTimeCfg->PrescaleValue -1  ;
							 | 
						||
| 
								 | 
							
										}
							 | 
						||
| 
								 | 
							
										else
							 | 
						||
| 
								 | 
							
										{
							 | 
						||
| 
								 | 
							
											TIMx->PR   = converUSecToVal (converPtrToTimeNum(TIMx),pTimeCfg->PrescaleValue)-1;
							 | 
						||
| 
								 | 
							
										}
							 | 
						||
| 
								 | 
							
									}
							 | 
						||
| 
								 | 
							
									else
							 | 
						||
| 
								 | 
							
									{
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
										pCounterCfg = (TIM_COUNTERCFG_Type *)TIM_ConfigStruct;
							 | 
						||
| 
								 | 
							
										TIMx->CCR  &= ~TIM_CTCR_INPUT_MASK;
							 | 
						||
| 
								 | 
							
										if (pCounterCfg->CountInputSelect == TIM_COUNTER_INCAP1)
							 | 
						||
| 
								 | 
							
											TIMx->CCR |= _BIT(2);
							 | 
						||
| 
								 | 
							
									}
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
									// Clear interrupt pending
							 | 
						||
| 
								 | 
							
									TIMx->IR = 0xFFFFFFFF;
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
								}
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
								/*********************************************************************//**
							 | 
						||
| 
								 | 
							
								 * @brief 		Close Timer/Counter device
							 | 
						||
| 
								 | 
							
								 * @param[in]	TIMx  Pointer to timer device, should be:
							 | 
						||
| 
								 | 
							
								 * 				- LPC_TIM0: TIMER0 peripheral
							 | 
						||
| 
								 | 
							
								 * 				- LPC_TIM1: TIMER1 peripheral
							 | 
						||
| 
								 | 
							
								 * 				- LPC_TIM2: TIMER2 peripheral
							 | 
						||
| 
								 | 
							
								 * 				- LPC_TIM3: TIMER3 peripheral
							 | 
						||
| 
								 | 
							
								 * @return 		None
							 | 
						||
| 
								 | 
							
								 **********************************************************************/
							 | 
						||
| 
								 | 
							
								void TIM_DeInit (LPC_TIM_TypeDef *TIMx)
							 | 
						||
| 
								 | 
							
								{
							 | 
						||
| 
								 | 
							
									CHECK_PARAM(PARAM_TIMx(TIMx));
							 | 
						||
| 
								 | 
							
									// Disable timer/counter
							 | 
						||
| 
								 | 
							
									TIMx->TCR = 0x00;
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
									// Disable power
							 | 
						||
| 
								 | 
							
									if (TIMx== LPC_TIM0)
							 | 
						||
| 
								 | 
							
										CLKPWR_ConfigPPWR (CLKPWR_PCONP_PCTIM0, DISABLE);
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
									else if (TIMx== LPC_TIM1)
							 | 
						||
| 
								 | 
							
										CLKPWR_ConfigPPWR (CLKPWR_PCONP_PCTIM1, DISABLE);
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
									else if (TIMx== LPC_TIM2)
							 | 
						||
| 
								 | 
							
										CLKPWR_ConfigPPWR (CLKPWR_PCONP_PCTIM2, DISABLE);
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
									else if (TIMx== LPC_TIM3)
							 | 
						||
| 
								 | 
							
										CLKPWR_ConfigPPWR (CLKPWR_PCONP_PCTIM2, DISABLE);
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
								}
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
								/*********************************************************************//**
							 | 
						||
| 
								 | 
							
								 * @brief	 	Start/Stop Timer/Counter device
							 | 
						||
| 
								 | 
							
								 * @param[in]	TIMx Pointer to timer device, should be:
							 | 
						||
| 
								 | 
							
								 *  			- LPC_TIM0: TIMER0 peripheral
							 | 
						||
| 
								 | 
							
								 * 				- LPC_TIM1: TIMER1 peripheral
							 | 
						||
| 
								 | 
							
								 * 				- LPC_TIM2: TIMER2 peripheral
							 | 
						||
| 
								 | 
							
								 * 				- LPC_TIM3: TIMER3 peripheral
							 | 
						||
| 
								 | 
							
								 * @param[in]	NewState
							 | 
						||
| 
								 | 
							
								 * 				-	ENABLE  : set timer enable
							 | 
						||
| 
								 | 
							
								 * 				-	DISABLE : disable timer
							 | 
						||
| 
								 | 
							
								 * @return 		None
							 | 
						||
| 
								 | 
							
								 **********************************************************************/
							 | 
						||
| 
								 | 
							
								void TIM_Cmd(LPC_TIM_TypeDef *TIMx, FunctionalState NewState)
							 | 
						||
| 
								 | 
							
								{
							 | 
						||
| 
								 | 
							
									CHECK_PARAM(PARAM_TIMx(TIMx));
							 | 
						||
| 
								 | 
							
									if (NewState == ENABLE)
							 | 
						||
| 
								 | 
							
									{
							 | 
						||
| 
								 | 
							
										TIMx->TCR	|=  TIM_ENABLE;
							 | 
						||
| 
								 | 
							
									}
							 | 
						||
| 
								 | 
							
									else
							 | 
						||
| 
								 | 
							
									{
							 | 
						||
| 
								 | 
							
										TIMx->TCR &= ~TIM_ENABLE;
							 | 
						||
| 
								 | 
							
									}
							 | 
						||
| 
								 | 
							
								}
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
								/*********************************************************************//**
							 | 
						||
| 
								 | 
							
								 * @brief 		Reset Timer/Counter device,
							 | 
						||
| 
								 | 
							
								 * 					Make TC and PC are synchronously reset on the next
							 | 
						||
| 
								 | 
							
								 * 					positive edge of PCLK
							 | 
						||
| 
								 | 
							
								 * @param[in]	TIMx Pointer to timer device, should be:
							 | 
						||
| 
								 | 
							
								 *   			- LPC_TIM0: TIMER0 peripheral
							 | 
						||
| 
								 | 
							
								 * 				- LPC_TIM1: TIMER1 peripheral
							 | 
						||
| 
								 | 
							
								 * 				- LPC_TIM2: TIMER2 peripheral
							 | 
						||
| 
								 | 
							
								 * 				- LPC_TIM3: TIMER3 peripheral
							 | 
						||
| 
								 | 
							
								 * @return 		None
							 | 
						||
| 
								 | 
							
								 **********************************************************************/
							 | 
						||
| 
								 | 
							
								void TIM_ResetCounter(LPC_TIM_TypeDef *TIMx)
							 | 
						||
| 
								 | 
							
								{
							 | 
						||
| 
								 | 
							
									CHECK_PARAM(PARAM_TIMx(TIMx));
							 | 
						||
| 
								 | 
							
									TIMx->TCR |= TIM_RESET;
							 | 
						||
| 
								 | 
							
									TIMx->TCR &= ~TIM_RESET;
							 | 
						||
| 
								 | 
							
								}
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
								/*********************************************************************//**
							 | 
						||
| 
								 | 
							
								 * @brief 		Configuration for Match register
							 | 
						||
| 
								 | 
							
								 * @param[in]	TIMx Pointer to timer device, should be:
							 | 
						||
| 
								 | 
							
								 *   			- LPC_TIM0: TIMER0 peripheral
							 | 
						||
| 
								 | 
							
								 * 				- LPC_TIM1: TIMER1 peripheral
							 | 
						||
| 
								 | 
							
								 * 				- LPC_TIM2: TIMER2 peripheral
							 | 
						||
| 
								 | 
							
								 * 				- LPC_TIM3: TIMER3 peripheral
							 | 
						||
| 
								 | 
							
								 * @param[in]   TIM_MatchConfigStruct Pointer to TIM_MATCHCFG_Type
							 | 
						||
| 
								 | 
							
								 * 					- MatchChannel : choose channel 0 or 1
							 | 
						||
| 
								 | 
							
								 * 					- IntOnMatch	 : if SET, interrupt will be generated when MRxx match
							 | 
						||
| 
								 | 
							
								 * 									the value in TC
							 | 
						||
| 
								 | 
							
								 * 					- StopOnMatch	 : if SET, TC and PC will be stopped whenM Rxx match
							 | 
						||
| 
								 | 
							
								 * 									the value in TC
							 | 
						||
| 
								 | 
							
								 * 					- ResetOnMatch : if SET, Reset on MR0 when MRxx match
							 | 
						||
| 
								 | 
							
								 * 									the value in TC
							 | 
						||
| 
								 | 
							
								 * 					-ExtMatchOutputType: Select output for external match
							 | 
						||
| 
								 | 
							
								 * 						 +	 0:	Do nothing for external output pin if match
							 | 
						||
| 
								 | 
							
								 *						 +   1:	Force external output pin to low if match
							 | 
						||
| 
								 | 
							
								 *						 + 	 2: Force external output pin to high if match
							 | 
						||
| 
								 | 
							
								 *						 + 	 3: Toggle external output pin if match
							 | 
						||
| 
								 | 
							
								 *					MatchValue: Set the value to be compared with TC value
							 | 
						||
| 
								 | 
							
								 * @return 		None
							 | 
						||
| 
								 | 
							
								 **********************************************************************/
							 | 
						||
| 
								 | 
							
								void TIM_ConfigMatch(LPC_TIM_TypeDef *TIMx, TIM_MATCHCFG_Type *TIM_MatchConfigStruct)
							 | 
						||
| 
								 | 
							
								{
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
									CHECK_PARAM(PARAM_TIMx(TIMx));
							 | 
						||
| 
								 | 
							
									CHECK_PARAM(PARAM_TIM_EXTMATCH_OPT(TIM_MatchConfigStruct->ExtMatchOutputType));
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
									switch(TIM_MatchConfigStruct->MatchChannel)
							 | 
						||
| 
								 | 
							
									{
							 | 
						||
| 
								 | 
							
									case 0:
							 | 
						||
| 
								 | 
							
										TIMx->MR0 = TIM_MatchConfigStruct->MatchValue;
							 | 
						||
| 
								 | 
							
										break;
							 | 
						||
| 
								 | 
							
									case 1:
							 | 
						||
| 
								 | 
							
										TIMx->MR1 = TIM_MatchConfigStruct->MatchValue;
							 | 
						||
| 
								 | 
							
										break;
							 | 
						||
| 
								 | 
							
									case 2:
							 | 
						||
| 
								 | 
							
										TIMx->MR2 = TIM_MatchConfigStruct->MatchValue;
							 | 
						||
| 
								 | 
							
										break;
							 | 
						||
| 
								 | 
							
									case 3:
							 | 
						||
| 
								 | 
							
										TIMx->MR3 = TIM_MatchConfigStruct->MatchValue;
							 | 
						||
| 
								 | 
							
										break;
							 | 
						||
| 
								 | 
							
									default:
							 | 
						||
| 
								 | 
							
										//Error match value
							 | 
						||
| 
								 | 
							
										//Error loop
							 | 
						||
| 
								 | 
							
										while(1);
							 | 
						||
| 
								 | 
							
									}
							 | 
						||
| 
								 | 
							
									//interrupt on MRn
							 | 
						||
| 
								 | 
							
									TIMx->MCR &=~TIM_MCR_CHANNEL_MASKBIT(TIM_MatchConfigStruct->MatchChannel);
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
									if (TIM_MatchConfigStruct->IntOnMatch)
							 | 
						||
| 
								 | 
							
										TIMx->MCR |= TIM_INT_ON_MATCH(TIM_MatchConfigStruct->MatchChannel);
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
									//reset on MRn
							 | 
						||
| 
								 | 
							
									if (TIM_MatchConfigStruct->ResetOnMatch)
							 | 
						||
| 
								 | 
							
										TIMx->MCR |= TIM_RESET_ON_MATCH(TIM_MatchConfigStruct->MatchChannel);
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
									//stop on MRn
							 | 
						||
| 
								 | 
							
									if (TIM_MatchConfigStruct->StopOnMatch)
							 | 
						||
| 
								 | 
							
										TIMx->MCR |= TIM_STOP_ON_MATCH(TIM_MatchConfigStruct->MatchChannel);
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
									// match output type
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
									TIMx->EMR 	&= ~TIM_EM_MASK(TIM_MatchConfigStruct->MatchChannel);
							 | 
						||
| 
								 | 
							
									TIMx->EMR   |= TIM_EM_SET(TIM_MatchConfigStruct->MatchChannel,TIM_MatchConfigStruct->ExtMatchOutputType);
							 | 
						||
| 
								 | 
							
								}
							 | 
						||
| 
								 | 
							
								/*********************************************************************//**
							 | 
						||
| 
								 | 
							
								 * @brief 		Update Match value
							 | 
						||
| 
								 | 
							
								 * @param[in]	TIMx Pointer to timer device, should be:
							 | 
						||
| 
								 | 
							
								 *   			- LPC_TIM0: TIMER0 peripheral
							 | 
						||
| 
								 | 
							
								 * 				- LPC_TIM1: TIMER1 peripheral
							 | 
						||
| 
								 | 
							
								 * 				- LPC_TIM2: TIMER2 peripheral
							 | 
						||
| 
								 | 
							
								 * 				- LPC_TIM3: TIMER3 peripheral
							 | 
						||
| 
								 | 
							
								 * @param[in]	MatchChannel	Match channel, should be: 0..3
							 | 
						||
| 
								 | 
							
								 * @param[in]	MatchValue		updated match value
							 | 
						||
| 
								 | 
							
								 * @return 		None
							 | 
						||
| 
								 | 
							
								 **********************************************************************/
							 | 
						||
| 
								 | 
							
								void TIM_UpdateMatchValue(LPC_TIM_TypeDef *TIMx,uint8_t MatchChannel, uint32_t MatchValue)
							 | 
						||
| 
								 | 
							
								{
							 | 
						||
| 
								 | 
							
									CHECK_PARAM(PARAM_TIMx(TIMx));
							 | 
						||
| 
								 | 
							
									switch(MatchChannel)
							 | 
						||
| 
								 | 
							
									{
							 | 
						||
| 
								 | 
							
									case 0:
							 | 
						||
| 
								 | 
							
										TIMx->MR0 = MatchValue;
							 | 
						||
| 
								 | 
							
										break;
							 | 
						||
| 
								 | 
							
									case 1:
							 | 
						||
| 
								 | 
							
										TIMx->MR1 = MatchValue;
							 | 
						||
| 
								 | 
							
										break;
							 | 
						||
| 
								 | 
							
									case 2:
							 | 
						||
| 
								 | 
							
										TIMx->MR2 = MatchValue;
							 | 
						||
| 
								 | 
							
										break;
							 | 
						||
| 
								 | 
							
									case 3:
							 | 
						||
| 
								 | 
							
										TIMx->MR3 = MatchValue;
							 | 
						||
| 
								 | 
							
										break;
							 | 
						||
| 
								 | 
							
									default:
							 | 
						||
| 
								 | 
							
										//Error Loop
							 | 
						||
| 
								 | 
							
										while(1);
							 | 
						||
| 
								 | 
							
									}
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
								}
							 | 
						||
| 
								 | 
							
								/*********************************************************************//**
							 | 
						||
| 
								 | 
							
								 * @brief 		Configuration for Capture register
							 | 
						||
| 
								 | 
							
								 * @param[in]	TIMx Pointer to timer device, should be:
							 | 
						||
| 
								 | 
							
								 *   			- LPC_TIM0: TIMER0 peripheral
							 | 
						||
| 
								 | 
							
								 * 				- LPC_TIM1: TIMER1 peripheral
							 | 
						||
| 
								 | 
							
								 * 				- LPC_TIM2: TIMER2 peripheral
							 | 
						||
| 
								 | 
							
								 * 				- LPC_TIM3: TIMER3 peripheral
							 | 
						||
| 
								 | 
							
								 * 					- CaptureChannel: set the channel to capture data
							 | 
						||
| 
								 | 
							
								 * 					- RisingEdge    : if SET, Capture at rising edge
							 | 
						||
| 
								 | 
							
								 * 					- FallingEdge	: if SET, Capture at falling edge
							 | 
						||
| 
								 | 
							
								 * 					- IntOnCaption  : if SET, Capture generate interrupt
							 | 
						||
| 
								 | 
							
								 * @param[in]   TIM_CaptureConfigStruct	Pointer to TIM_CAPTURECFG_Type
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								 * @return 		None
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						||
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								 | 
							
								 **********************************************************************/
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						||
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								void TIM_ConfigCapture(LPC_TIM_TypeDef *TIMx, TIM_CAPTURECFG_Type *TIM_CaptureConfigStruct)
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								 | 
							
								{
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								 | 
							
								
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									CHECK_PARAM(PARAM_TIMx(TIMx));
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									TIMx->CCR &= ~TIM_CCR_CHANNEL_MASKBIT(TIM_CaptureConfigStruct->CaptureChannel);
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									if (TIM_CaptureConfigStruct->RisingEdge)
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										TIMx->CCR |= TIM_CAP_RISING(TIM_CaptureConfigStruct->CaptureChannel);
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| 
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						||
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								 | 
							
									if (TIM_CaptureConfigStruct->FallingEdge)
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										TIMx->CCR |= TIM_CAP_FALLING(TIM_CaptureConfigStruct->CaptureChannel);
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									if (TIM_CaptureConfigStruct->IntOnCaption)
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										TIMx->CCR |= TIM_INT_ON_CAP(TIM_CaptureConfigStruct->CaptureChannel);
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						||
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								}
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								 | 
							
								
							 | 
						||
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								/*********************************************************************//**
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								 * @brief 		Read value of capture register in timer/counter device
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						||
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								 | 
							
								 * @param[in]	TIMx Pointer to timer/counter device, should be:
							 | 
						||
| 
								 | 
							
								 *  			- LPC_TIM0: TIMER0 peripheral
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						||
| 
								 | 
							
								 * 				- LPC_TIM1: TIMER1 peripheral
							 | 
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| 
								 | 
							
								 * 				- LPC_TIM2: TIMER2 peripheral
							 | 
						||
| 
								 | 
							
								 * 				- LPC_TIM3: TIMER3 peripheral
							 | 
						||
| 
								 | 
							
								 * @param[in]	CaptureChannel: capture channel number, should be:
							 | 
						||
| 
								 | 
							
								 * 				- TIM_COUNTER_INCAP0: CAPn.0 input pin for TIMERn
							 | 
						||
| 
								 | 
							
								 * 				- TIM_COUNTER_INCAP1: CAPn.1 input pin for TIMERn
							 | 
						||
| 
								 | 
							
								 * @return 		Value of capture register
							 | 
						||
| 
								 | 
							
								 **********************************************************************/
							 | 
						||
| 
								 | 
							
								uint32_t TIM_GetCaptureValue(LPC_TIM_TypeDef *TIMx, TIM_COUNTER_INPUT_OPT CaptureChannel)
							 | 
						||
| 
								 | 
							
								{
							 | 
						||
| 
								 | 
							
									CHECK_PARAM(PARAM_TIMx(TIMx));
							 | 
						||
| 
								 | 
							
									CHECK_PARAM(PARAM_TIM_COUNTER_INPUT_OPT(CaptureChannel));
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| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
									if(CaptureChannel==0)
							 | 
						||
| 
								 | 
							
										return TIMx->CR0;
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						||
| 
								 | 
							
									else
							 | 
						||
| 
								 | 
							
										return TIMx->CR1;
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						||
| 
								 | 
							
								}
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
								/**
							 | 
						||
| 
								 | 
							
								 * @}
							 | 
						||
| 
								 | 
							
								 */
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
								#endif /* _TIMER */
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
								/**
							 | 
						||
| 
								 | 
							
								 * @}
							 | 
						||
| 
								 | 
							
								 */
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
								/* --------------------------------- End Of File ------------------------------ */
							 |