71 lines
2.9 KiB
C
71 lines
2.9 KiB
C
|
/*
|
||
|
* @brief GPIO Group Interrupt Registers and control functions
|
||
|
*
|
||
|
* @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 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 "gpiogrpint_001.h"
|
||
|
|
||
|
/*****************************************************************************
|
||
|
* Private types/enumerations/variables
|
||
|
****************************************************************************/
|
||
|
|
||
|
/*****************************************************************************
|
||
|
* Public types/enumerations/variables
|
||
|
****************************************************************************/
|
||
|
|
||
|
/*****************************************************************************
|
||
|
* Private functions
|
||
|
****************************************************************************/
|
||
|
|
||
|
/*****************************************************************************
|
||
|
* Public functions
|
||
|
****************************************************************************/
|
||
|
|
||
|
/* GPIO Group Interrupt Pin Add to Group */
|
||
|
void IP_GPIOGP_IntPinAdd(IP_GPIOGROUPINT_001_Type *pGPIOGPINT, uint8_t PortNum, uint8_t PinNum, bool ActiveMode)
|
||
|
{
|
||
|
volatile uint32_t wordDat;
|
||
|
bool pinstate;
|
||
|
|
||
|
/* configure to PORT_ENA register */
|
||
|
pGPIOGPINT->PORT_ENA[PortNum] |= (1<<PinNum);
|
||
|
|
||
|
/* configure to PORT_POL */
|
||
|
wordDat = pGPIOGPINT->PORT_POL[PortNum];
|
||
|
pinstate = (bool) (((wordDat>>PinNum)&0x01) != 0);
|
||
|
if (pinstate != ActiveMode) {
|
||
|
if (ActiveMode == true) { /* active HIGH */
|
||
|
wordDat |= (1<<PinNum);
|
||
|
} else { /* active LOW */
|
||
|
wordDat &= ~(1<<PinNum);
|
||
|
}
|
||
|
pGPIOGPINT->PORT_POL[PortNum] = wordDat;
|
||
|
}
|
||
|
}
|