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gpioint_001.c
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1 /*
2  * @brief GPIO 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 #include "gpioint_001.h"
33 
34 /*****************************************************************************
35  * Private types/enumerations/variables
36  ****************************************************************************/
37 
38 /*****************************************************************************
39  * Public types/enumerations/variables
40  ****************************************************************************/
41 
42 /*****************************************************************************
43  * Private functions
44  ****************************************************************************/
45 
46 /*****************************************************************************
47  * Public functions
48  ****************************************************************************/
49 
50 /* Enable GPIO Interrupt */
51 void IP_GPIOINT_IntCmd(IP_GPIOINT_001_Type *pGPIOPININT, uint8_t PortNum, uint32_t BitValue, Gpio_Int_Mode_Enum IntMode)
52 {
53  if (PortNum == 0) {
54  if (IntMode == IP_GPIOINT_RISING_EDGE) {
55  pGPIOPININT->EnR0 = BitValue;
56  }
57  else {
58  pGPIOPININT->EnF0 = BitValue;
59  }
60  }
61  else if (PortNum == 2) {
62  if (IntMode == IP_GPIOINT_RISING_EDGE) {
63  pGPIOPININT->EnR2 = BitValue;
64  }
65  else {
66  pGPIOPININT->EnF2 = BitValue;
67  }
68  }
69 }
70 
71 /*Get GPIO Interrupt Status */
73  uint8_t PortNum,
74  uint32_t PinNum,
75  Gpio_Int_Mode_Enum IntMode)
76 {
77  if (PortNum == 0) {
78  if (IntMode == IP_GPIOINT_RISING_EDGE) {
79  return (bool) ((pGPIOPININT->StatR0 >> PinNum) & 0x1);
80  }
81  else {
82  return (bool) ((pGPIOPININT->StatF0 >> PinNum) & 0x1);
83  }
84  }
85  else if (PortNum == 2) {
86  if (IntMode == IP_GPIOINT_RISING_EDGE) {
87  return (bool) ((pGPIOPININT->StatR2 >> PinNum) & 0x1);
88  }
89  else {
90  return (bool) ((pGPIOPININT->StatF2 >> PinNum) & 0x1);
91  }
92  }
93 
94  return false;
95 }
96 
103 void IP_GPIOINT_IntClear(IP_GPIOINT_001_Type *pGPIOPININT, uint8_t PortNum, uint32_t BitValue)
104 {
105  if (PortNum == 0) {
106  pGPIOPININT->Clr0 = BitValue;
107  }
108  else if (PortNum == 2) {
109  pGPIOPININT->Clr2 = BitValue;
110  }
111 }