rt-thread/bsp/lpc5410x/Libraries/lpc_chip/chip_5410x/utick_5410x.c

/*
 * @brief LPC5410X UTICK chip driver
 *
 * @note
 * Copyright(C) NXP Semiconductors, 2014
 * All rights reserved.
 *
 * @par
 * Software that is described herein is for illustrative purposes only
 * which provides customers with programming information regarding the
 * LPC products.  This software is supplied "AS IS" without any warranties of
 * any kind, and NXP Semiconductors and its licensor disclaim any and
 * all warranties, express or implied, including all implied warranties of
 * merchantability, fitness for a particular purpose and non-infringement of
 * intellectual property rights.  NXP Semiconductors assumes no responsibility
 * or liability for the use of the software, conveys no license or rights under any
 * patent, copyright, mask work right, or any other intellectual property rights in
 * or to any products. NXP Semiconductors reserves the right to make changes
 * in the software without notification. NXP Semiconductors also makes no
 * representation or warranty that such application will be suitable for the
 * specified use without further testing or modification.
 *
 * @par
 * Permission to use, copy, modify, and distribute this software and its
 * documentation is hereby granted, under NXP Semiconductors' and its
 * licensor's relevant copyrights in the software, without fee, provided that it
 * is used in conjunction with NXP Semiconductors microcontrollers.  This
 * copyright, permission, and disclaimer notice must appear in all copies of
 * this code.
 */

#include "chip.h"

/*****************************************************************************
 * Private types/enumerations/variables
 ****************************************************************************/

/*****************************************************************************
 * Public types/enumerations/variables
 ****************************************************************************/

/*****************************************************************************
 * Private functions
 ****************************************************************************/

/*****************************************************************************
 * Public functions
 ****************************************************************************/

/* Setup UTICK */
void Chip_UTICK_SetTick(LPC_UTICK_T *pUTICK, uint32_t tick_value, bool repeat)
{
	if (repeat) {
		tick_value |= UTICK_CTRL_REPEAT;
	}

	pUTICK->CTRL = tick_value;
}

/* Setup UTICK for the passed delay */
void Chip_UTICK_SetDelayMs(LPC_UTICK_T *pUTICK, uint32_t delayMs, bool repeat)
{
	uint32_t tick_value = (delayMs * Chip_Clock_GetWDTOSCRate()) / 1000;

	if (repeat) {
		tick_value |= UTICK_CTRL_REPEAT;
	}
	else {
		tick_value &= ~UTICK_CTRL_REPEAT;
	}

	pUTICK->CTRL = tick_value;
}