LPCOpen Platform  v1.03
LPCOpen Platform for NXP LPC Microcontrollers
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gpiopinint_001.h
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1 /*
2  * @brief GPIO Pin Interrupt Registers and control functions
3  *
4  * @note
5  * Copyright(C) NXP Semiconductors, 2012
6  * All rights reserved.
7  *
8  * @par
9  * Software that is described herein is for illustrative purposes only
10  * which provides customers with programming information regarding the
11  * LPC products. This software is supplied "AS IS" without any warranties of
12  * any kind, and NXP Semiconductors and its licensor disclaim any and
13  * all warranties, express or implied, including all implied warranties of
14  * merchantability, fitness for a particular purpose and non-infringement of
15  * intellectual property rights. NXP Semiconductors assumes no responsibility
16  * or liability for the use of the software, conveys no license or rights under any
17  * patent, copyright, mask work right, or any other intellectual property rights in
18  * or to any products. NXP Semiconductors reserves the right to make changes
19  * in the software without notification. NXP Semiconductors also makes no
20  * representation or warranty that such application will be suitable for the
21  * specified use without further testing or modification.
22  *
23  * @par
24  * Permission to use, copy, modify, and distribute this software and its
25  * documentation is hereby granted, under NXP Semiconductors' and its
26  * licensor's relevant copyrights in the software, without fee, provided that it
27  * is used in conjunction with NXP Semiconductors microcontrollers. This
28  * copyright, permission, and disclaimer notice must appear in all copies of
29  * this code.
30  */
31 
32 #ifndef __GPIOPININT_001_H_
33 #define __GPIOPININT_001_H_
34 
35 #include "sys_config.h"
36 #include "cmsis.h"
37 
38 #ifdef __cplusplus
39 extern "C" {
40 #endif
41 
50 typedef struct {
51  __IO uint32_t ISEL;
52  __IO uint32_t IENR;
53  __O uint32_t SIENR;
54  __O uint32_t CIENR;
55  __IO uint32_t IENF;
56  __O uint32_t SIENF;
57  __O uint32_t CIENF;
58  __IO uint32_t RISE;
59  __IO uint32_t FALL;
60  __IO uint32_t IST;
61 } IP_GPIOPININT_001_T;
62 
63 typedef enum IP_GPIOPININT_MODE {
64  GPIOPININT_RISING_EDGE = 0x01,
65  GPIOPININT_FALLING_EDGE = 0x02,
66  GPIOPININT_ACTIVE_HIGH_LEVEL = 0x04,
67  GPIOPININT_ACTIVE_LOW_LEVEL = 0x08
68 } IP_GPIOPININT_MODE_T;
69 
81 void IP_GPIOPININT_IntCmd(IP_GPIOPININT_001_T *pGPIOPININT, uint8_t PortNum, IP_GPIOPININT_MODE_T IntMode);
82 
89 STATIC INLINE bool IP_GPIOPININT_IntGetStatus(IP_GPIOPININT_001_T *pGPIOPININT, uint8_t PortNum)
90 {
91  return (bool) (((pGPIOPININT->IST) >> PortNum) & 0x01);
92 }
93 
100 STATIC INLINE void IP_GPIOPININT_IntClear(IP_GPIOPININT_001_T *pGPIOPININT, uint8_t PortNum)
101 {
102  if (!(pGPIOPININT->ISEL & (1 << PortNum))) {
103  pGPIOPININT->IST |= (1 << PortNum);
104  }
105 }
106 
111 #ifdef __cplusplus
112 }
113 #endif
114 
115 #endif /* __GPIOPININT_001_H_ */