/***********************************************************************//**
 * @file		timer_delay_test.c
 * @purpose		This example describes how to use TIMER0 in polling mode
 * @version		2.0
 * @date		21. May. 2010
 * @author		NXP MCU SW Application Team
 *---------------------------------------------------------------------
 * 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.
 **********************************************************************/
#include "lpc17xx_timer.h"
#include "lpc17xx_libcfg.h"
#include "lpc17xx_pinsel.h"
#include "debug_frmwrk.h"

/* Example group ----------------------------------------------------------- */
/** @defgroup TIMER_Polling_Match	Polling_Match
 * @ingroup TIMER_Examples
 * @{
 */


/************************** PRIVATE VARIABLES *************************/
uint8_t menu1[] =
"********************************************************************************\n\r"
"Hello NXP Semiconductors \n\r"
"Timer delay demo \n\r"
"\t - MCU: LPC17xx \n\r"
"\t - Core: ARM Cortex-M3 \n\r"
"\t - Communicate via: UART0 - 115200 bps \n\r"
" Use timer 0 in polling mode \n\r"
" Toggle MAT0.0 at frequency 10Hz \n\r"
"********************************************************************************\n\r";
//timer init
TIM_TIMERCFG_Type TIM_ConfigStruct;
TIM_MATCHCFG_Type TIM_MatchConfigStruct;

/************************** PRIVATE FUNCTIONS *************************/
void print_menu(void);


/*-------------------------PRIVATE FUNCTIONS------------------------------*/
/*********************************************************************//**
 * @brief		Print menu
 * @param[in]	None
 * @return 		None
 **********************************************************************/
void print_menu(void)
{
	_DBG(menu1);
}


/*-------------------------MAIN FUNCTION------------------------------*/
/*********************************************************************//**
 * @brief		c_entry: Main TIMER program body
 * @param[in]	None
 * @return 		int
 **********************************************************************/
int c_entry(void)
{
	PINSEL_CFG_Type PinCfg;

	/* Initialize debug via UART0
	 * – 115200bps
	 * – 8 data bit
	 * – No parity
	 * – 1 stop bit
	 * – No flow control
	 */
	debug_frmwrk_init();

	// print welcome screen
	print_menu();

	// Conifg P1.28 as MAT0.0
	PinCfg.Funcnum = 3;
	PinCfg.OpenDrain = 0;
	PinCfg.Pinmode = 0;
	PinCfg.Portnum = 1;
	PinCfg.Pinnum = 28;
	PINSEL_ConfigPin(&PinCfg);

	// Initialize timer 0, prescale count time of 100uS
	TIM_ConfigStruct.PrescaleOption = TIM_PRESCALE_USVAL;
	TIM_ConfigStruct.PrescaleValue	= 100;

	// use channel 0, MR0
	TIM_MatchConfigStruct.MatchChannel = 0;
	// Disable interrupt when MR0 matches the value in TC register
	TIM_MatchConfigStruct.IntOnMatch   = TRUE;
	//Enable reset on MR0: TIMER will reset if MR0 matches it
	TIM_MatchConfigStruct.ResetOnMatch = TRUE;
	//Stop on MR0 if MR0 matches it
	TIM_MatchConfigStruct.StopOnMatch  = FALSE;
	//Toggle MR0.0 pin if MR0 matches it
	TIM_MatchConfigStruct.ExtMatchOutputType =TIM_EXTMATCH_TOGGLE;
	// Set Match value, count value of 1000 (1000 * 100uS = 100mS --> 10Hz)
	TIM_MatchConfigStruct.MatchValue   = 1000;

	// Set configuration for Tim_config and Tim_MatchConfig
	TIM_Init(LPC_TIM0, TIM_TIMER_MODE,&TIM_ConfigStruct);
	TIM_ConfigMatch(LPC_TIM0,&TIM_MatchConfigStruct);
	TIM_Cmd(LPC_TIM0,ENABLE);
	while (1)
	{
		// Wait for 1000 millisecond
		while ( !(TIM_GetIntStatus(LPC_TIM0,TIM_MR0_INT)));
		TIM_ClearIntPending(LPC_TIM0,0);
		_DBG_("Match interrupt occur..");
	}
	TIM_DeInit(LPC_TIM0);
	return (1);
}

/* Support required entry point for other toolchain */
int main (void)
{
	return c_entry();
}

#ifdef  DEBUG
/*******************************************************************************
* @brief		Reports the name of the source file and the source line number
* 				where the CHECK_PARAM error has occurred.
* @param[in]	file Pointer to the source file name
* @param[in]    line assert_param error line source number
* @return		None
*******************************************************************************/
void check_failed(uint8_t *file, uint32_t line)
{
	/* User can add his own implementation to report the file name and line number,
	 ex: printf("Wrong parameters value: file %s on line %d\r\n", file, line) */

	/* Infinite loop */
	while(1);
}
#endif

/*
 * @}
 */
