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

74 lines
2.7 KiB
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;
}