112 lines
3.8 KiB
C
112 lines
3.8 KiB
C
/*
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* @brief GPIO Interrupt Registers and control functions
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*
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* @note
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* Copyright(C) NXP Semiconductors, 2012
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* All rights reserved.
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*
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* @par
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* Software that is described herein is for illustrative purposes only
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* which provides customers with programming information regarding the
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* LPC products. This software is supplied "AS IS" without any warranties of
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* any kind, and NXP Semiconductors and its licensor disclaim any and
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* all warranties, express or implied, including all implied warranties of
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* merchantability, fitness for a particular purpose and non-infringement of
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* intellectual property rights. NXP Semiconductors assumes no responsibility
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* or liability for the use of the software, conveys no license or rights under any
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* patent, copyright, mask work right, or any other intellectual property rights in
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* or to any products. NXP Semiconductors reserves the right to make changes
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* in the software without notification. NXP Semiconductors also makes no
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* representation or warranty that such application will be suitable for the
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* specified use without further testing or modification.
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*
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* @par
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* Permission to use, copy, modify, and distribute this software and its
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* documentation is hereby granted, under NXP Semiconductors' and its
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* licensor's relevant copyrights in the software, without fee, provided that it
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* is used in conjunction with NXP Semiconductors microcontrollers. This
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* copyright, permission, and disclaimer notice must appear in all copies of
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* this code.
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*/
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#include "gpioint_001.h"
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/*****************************************************************************
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* Private types/enumerations/variables
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****************************************************************************/
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/*****************************************************************************
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* Public types/enumerations/variables
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****************************************************************************/
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/*****************************************************************************
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* Private functions
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****************************************************************************/
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/*****************************************************************************
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* Public functions
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****************************************************************************/
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/* Enable GPIO Interrupt */
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void IP_GPIOINT_IntCmd(IP_GPIOINT_001_Type *pGPIOPININT, uint8_t PortNum, uint32_t BitValue, Gpio_Int_Mode_Enum IntMode)
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{
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if (PortNum == 0) {
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if (IntMode == IP_GPIOINT_RISING_EDGE) {
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pGPIOPININT->EnR0 = BitValue;
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}
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else {
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pGPIOPININT->EnF0 = BitValue;
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}
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}
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else if (PortNum == 2) {
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if (IntMode == IP_GPIOINT_RISING_EDGE) {
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pGPIOPININT->EnR2 = BitValue;
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}
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else {
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pGPIOPININT->EnF2 = BitValue;
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}
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}
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}
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/*Get GPIO Interrupt Status */
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bool IP_GPIOINT_IntGetStatus(IP_GPIOINT_001_Type *pGPIOPININT,
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uint8_t PortNum,
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uint32_t PinNum,
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Gpio_Int_Mode_Enum IntMode)
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{
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if (PortNum == 0) {
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if (IntMode == IP_GPIOINT_RISING_EDGE) {
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return (bool) ((pGPIOPININT->StatR0 >> PinNum) & 0x1);
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}
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else {
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return (bool) ((pGPIOPININT->StatF0 >> PinNum) & 0x1);
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}
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}
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else if (PortNum == 2) {
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if (IntMode == IP_GPIOINT_RISING_EDGE) {
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return (bool) ((pGPIOPININT->StatR2 >> PinNum) & 0x1);
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}
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else {
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return (bool) ((pGPIOPININT->StatF2 >> PinNum) & 0x1);
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}
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}
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return false;
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}
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/**
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* @brief Clear GPIO Interrupt (Edge interrupt cases only)
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* @param PortNum : GPIO port number interrupt, should be: 0 (port 0) or 2 (port 2)
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* @param BitValue : GPIO Bit value that contains all bits on GPIO to enable, should be 0 to 0xFFFFFFFF
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* @return None
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*/
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void IP_GPIOINT_IntClear(IP_GPIOINT_001_Type *pGPIOPININT, uint8_t PortNum, uint32_t BitValue)
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{
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if (PortNum == 0) {
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pGPIOPININT->Clr0 = BitValue;
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}
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else if (PortNum == 2) {
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pGPIOPININT->Clr2 = BitValue;
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}
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}
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