111 lines
4.4 KiB
C
111 lines
4.4 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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#ifndef __GPIOINT_001_H_
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#define __GPIOINT_001_H_
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#include "sys_config.h"
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#include "cmsis.h"
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#ifdef __cplusplus
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extern "C" {
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#endif
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/** @defgroup IP_GPIOINT_001 IP: GPIO Interrupt register block and driver
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* @ingroup IP_Drivers
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* @{
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*/
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/**
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* @brief GPIO Interrupt register block structure
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*/
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typedef struct {
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__I uint32_t Status; /*!< GPIO overall Interrupt Status Register */
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__I uint32_t StatR0; /*!< GPIO Interrupt Status Register 0 for Rising edge */
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__I uint32_t StatF0; /*!< GPIO Interrupt Status Register 0 for Falling edge */
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__O uint32_t Clr0; /*!< GPIO Interrupt Clear Register 0 */
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__IO uint32_t EnR0; /*!< GPIO Interrupt Enable Register 0 for Rising edge */
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__IO uint32_t EnF0; /*!< GPIO Interrupt Enable Register 0 for Falling edge */
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uint32_t RESERVED0[3];
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__I uint32_t StatR2; /*!< GPIO Interrupt Status Register 2 for Rising edge */
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__I uint32_t StatF2; /*!< GPIO Interrupt Status Register 2 for Falling edge */
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__O uint32_t Clr2; /*!< GPIO Interrupt Clear Register 2 */
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__IO uint32_t EnR2; /*!< GPIO Interrupt Enable Register 2 for Rising edge */
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__IO uint32_t EnF2; /*!< GPIO Interrupt Enable Register 2 for Falling edge */
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} IP_GPIOINT_001_Type;
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typedef enum {
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IP_GPIOINT_RISING_EDGE = 0x01,
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IP_GPIOINT_FALLING_EDGE = 0x02
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} Gpio_Int_Mode_Enum;
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/**
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* @brief Enable GPIO Interrupt
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* @param pGPIOPININT : Pointer to GPIO interrupt register block
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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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* @param IntMode : Interrupt mode, 0 = rising edge, 1 = falling edge
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* @return None
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*/
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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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* @brief Get GPIO Interrupt Status
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* @param pGPIOPININT : Pointer to GPIO interrupt register block
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* @param PortNum : GPIO port number interrupt, should be: 0 (port 0) or 2 (port 2)
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* @param PinNum : Pin number, should be: 0..30(with port 0) and 0..13 (with port 2)
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* @param IntMode : Interrupt mode, 0 = rising edge, 1 = falling edge
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* @return true if interrupt is pending, otherwise false
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*/
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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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* @brief Clear GPIO Interrupt (Edge interrupt cases only)
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* @param pGPIOPININT : Pointer to GPIO interrupt register block
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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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* @}
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*/
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#ifdef __cplusplus
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}
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#endif
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#endif /* __GPIOINT_001_H_ */
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