/*
* @brief LPC8xx Pin Interrupt and Pattern Match driver
*
* @note
* Copyright(C) NXP Semiconductors, 2012
* 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 licenser 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
****************************************************************************/
/* Set source for pattern match engine */
void Chip_PININT_SetPatternMatchSrc(LPC_PIN_INT_T *pPININT, uint8_t chan, Chip_PININT_BITSLICE_T slice)
{
uint32_t pmsrc_reg;
/* Source source for pattern matching */
pmsrc_reg = pPININT->PMSRC & ~((PININT_SRC_BITSOURCE_MASK << (PININT_SRC_BITSOURCE_START + (slice * 3)))
| PININT_PMSRC_RESERVED);
pPININT->PMSRC = pmsrc_reg | (chan << (PININT_SRC_BITSOURCE_START + (slice * 3)));
}
/* Configure Pattern match engine */
void Chip_PININT_SetPatternMatchConfig(LPC_PIN_INT_T *pPININT, Chip_PININT_BITSLICE_T slice,
Chip_PININT_BITSLICE_CFG_T slice_cfg, bool end_point)
{
uint32_t pmcfg_reg;
/* Configure bit slice configuration */
pmcfg_reg = pPININT->PMCFG & ~((PININT_SRC_BITCFG_MASK << (PININT_SRC_BITCFG_START + (slice * 3)))
| PININT_PMCFG_RESERVED);
pPININT->PMCFG = pmcfg_reg | (slice_cfg << (PININT_SRC_BITCFG_START + (slice * 3)));
/* If end point is true, enable the bits */
if (end_point == true)
{
/* By default slice 7 is final component */
if (slice != PININTBITSLICE7)
{
pPININT->PMCFG = (0x1 << slice) | (pPININT->PMCFG & ~PININT_PMCFG_RESERVED);
}
}
}