71 lines
2.8 KiB
Plaintext
71 lines
2.8 KiB
Plaintext
/*
|
|
* @brief LPC17xx/40xx System and Control 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
|
|
****************************************************************************/
|
|
/* Returns and clears the current sleep mode entry flags */
|
|
uint32_t Chip_SYSCTL_GetClrSleepFlags(uint32_t flags) {
|
|
uint32_t savedFlags = LPC_SYSCTL->PCON;
|
|
|
|
LPC_SYSCTL->PCON = flags;
|
|
|
|
return savedFlags & (SYSCTL_PD_SMFLAG | SYSCTL_PD_DSFLAG |
|
|
SYSCTL_PD_PDFLAG | SYSCTL_PD_DPDFLAG);
|
|
}
|
|
|
|
#if !defined(CHIP_LPC175X_6X)
|
|
/* Resets a peripheral */
|
|
void Chip_SYSCTL_PeriphReset(CHIP_SYSCTL_RESET_T periph)
|
|
{
|
|
uint32_t bitIndex, regIndex = (uint32_t) periph;
|
|
|
|
/* Get register array index and clock index into the register */
|
|
bitIndex = (regIndex % 32);
|
|
regIndex = regIndex / 32;
|
|
|
|
/* Reset peripheral */
|
|
LPC_SYSCTL->RSTCON[regIndex] = (1 << bitIndex);
|
|
LPC_SYSCTL->RSTCON[regIndex] &= ~(1 << bitIndex);
|
|
}
|
|
|
|
#endif /*!defined(CHIP_LPC175X_6X)*/
|