rt-thread/bsp/xplorer4330/libraries/lpc_ip/gpioint_001.h

111 lines
4.3 KiB
C

/*
* @brief GPIO 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.
*/
#ifndef __GPIOINT_001_H_
#define __GPIOINT_001_H_
#include "sys_config.h"
#include "cmsis.h"
#ifdef __cplusplus
extern "C" {
#endif
/** @defgroup IP_GPIOINT_001 IP: GPIO Interrupt register block and driver
* @ingroup IP_Drivers
* @{
*/
/**
* @brief GPIO Interrupt register block structure
*/
typedef struct {
__I uint32_t Status; /*!< GPIO overall Interrupt Status Register */
__I uint32_t StatR0; /*!< GPIO Interrupt Status Register 0 for Rising edge */
__I uint32_t StatF0; /*!< GPIO Interrupt Status Register 0 for Falling edge */
__O uint32_t Clr0; /*!< GPIO Interrupt Clear Register 0 */
__IO uint32_t EnR0; /*!< GPIO Interrupt Enable Register 0 for Rising edge */
__IO uint32_t EnF0; /*!< GPIO Interrupt Enable Register 0 for Falling edge */
uint32_t RESERVED0[3];
__I uint32_t StatR2; /*!< GPIO Interrupt Status Register 2 for Rising edge */
__I uint32_t StatF2; /*!< GPIO Interrupt Status Register 2 for Falling edge */
__O uint32_t Clr2; /*!< GPIO Interrupt Clear Register 2 */
__IO uint32_t EnR2; /*!< GPIO Interrupt Enable Register 2 for Rising edge */
__IO uint32_t EnF2; /*!< GPIO Interrupt Enable Register 2 for Falling edge */
} IP_GPIOINT_001_Type;
typedef enum {
IP_GPIOINT_RISING_EDGE = 0x01,
IP_GPIOINT_FALLING_EDGE = 0x02
} Gpio_Int_Mode_Enum;
/**
* @brief Enable GPIO Interrupt
* @param pGPIOPININT : Pointer to GPIO interrupt register block
* @param PortNum : GPIO port number interrupt, should be: 0 (port 0) or 2 (port 2)
* @param BitValue : GPIO Bit value that contains all bits on GPIO to enable, should be 0 to 0xFFFFFFFF
* @param IntMode : Interrupt mode, 0 = rising edge, 1 = falling edge
* @return None
*/
void IP_GPIOINT_IntCmd(IP_GPIOINT_001_Type *pGPIOPININT, uint8_t PortNum, uint32_t BitValue, Gpio_Int_Mode_Enum IntMode);
/**
* @brief Get GPIO Interrupt Status
* @param pGPIOPININT : Pointer to GPIO interrupt register block
* @param PortNum : GPIO port number interrupt, should be: 0 (port 0) or 2 (port 2)
* @param PinNum : Pin number, should be: 0..30(with port 0) and 0..13 (with port 2)
* @param IntMode : Interrupt mode, 0 = rising edge, 1 = falling edge
* @return true if interrupt is pending, otherwise false
*/
bool IP_GPIOINT_IntGetStatus(IP_GPIOINT_001_Type *pGPIOPININT,
uint8_t PortNum,
uint32_t PinNum,
Gpio_Int_Mode_Enum IntMode);
/**
* @brief Clear GPIO Interrupt (Edge interrupt cases only)
* @param pGPIOPININT : Pointer to GPIO interrupt register block
* @param PortNum : GPIO port number interrupt, should be: 0 (port 0) or 2 (port 2)
* @param BitValue : GPIO Bit value that contains all bits on GPIO to enable, should be 0 to 0xFFFFFFFF
* @return None
*/
void IP_GPIOINT_IntClear(IP_GPIOINT_001_Type *pGPIOPININT, uint8_t PortNum, uint32_t BitValue);
/**
* @}
*/
#ifdef __cplusplus
}
#endif
#endif /* __GPIOINT_001_H_ */