rtt-f030/bsp/xplorer4330/libraries/lpc_ip/gpiopinint_001.c

72 lines
3.0 KiB
C

/*
* @brief GPIO Pin 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 "gpiopinint_001.h"
/*****************************************************************************
* Private types/enumerations/variables
****************************************************************************/
/*****************************************************************************
* Public types/enumerations/variables
****************************************************************************/
/*****************************************************************************
* Private functions
****************************************************************************/
/*****************************************************************************
* Public functions
****************************************************************************/
/* Enable GPIO Interrupt */
void IP_GPIOPININT_IntCmd(IP_GPIOPININT_001_Type *pGPIOPININT, uint8_t PortNum, Gpio_PinInt_Mode_Enum IntMode)
{
if (IntMode == IP_GPIOPININT_RISING_EDGE) {
pGPIOPININT->ISEL &= ~(1 << PortNum);
pGPIOPININT->IENR |= (1 << PortNum);
}
else if (IntMode == IP_GPIOPININT_FALLING_EDGE) {
pGPIOPININT->ISEL &= ~(1 << PortNum);
pGPIOPININT->IENF |= (1 << PortNum);
}
else if (IntMode == IP_GPIOPININT_ACTIVE_HIGH_LEVEL) {
pGPIOPININT->ISEL |= (1 << PortNum);
pGPIOPININT->IENR |= (1 << PortNum);
pGPIOPININT->SIENF |= (1 << PortNum);
}
else {
pGPIOPININT->ISEL |= (1 << PortNum);
pGPIOPININT->IENR |= (1 << PortNum);
pGPIOPININT->CIENF |= (1 << PortNum);
}
}