LPCOpen Platform  v1.03
LPCOpen Platform for NXP LPC Microcontrollers
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gpio_002.h
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1 /*
2  * @brief GPIO Registers and 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 __GPIO_002_H_
33 #define __GPIO_002_H_
34 
35 #include "sys_config.h"
36 #include "cmsis.h"
37 
38 #ifdef __cplusplus
39 extern "C" {
40 #endif
41 
48 #define GPIO_PORT_BITS 32
49 
54 typedef struct { /* GPIO_PORT Structure */
55  __IO uint32_t DIR;
56  uint32_t RESERVED0[3];
57  __IO uint32_t MASK;
58  __IO uint32_t PIN;
59  __IO uint32_t SET;
60  __O uint32_t CLR;
62 
69 {}
70 
78 STATIC INLINE void IP_GPIO_WritePortBit(IP_GPIO_002_T *pGPIO, uint8_t Bit, bool Setting)
79 {
80  if (Setting) { /* Set Port */
81  pGPIO->SET |= 1UL << Bit;
82  }
83  else { /* Clear Port */
84  pGPIO->CLR |= 1UL << Bit;
85  }
86 }
87 
95 STATIC INLINE void IP_GPIO_WriteDirBit(IP_GPIO_002_T *pGPIO, uint8_t Bit, bool Setting)
96 {
97  if (Setting) {
98  pGPIO->DIR |= 1UL << Bit;
99  }
100  else {
101  pGPIO->DIR &= ~(1UL << Bit);
102  }
103 }
104 
112 {
113  return (bool) ((pGPIO->PIN >> Bit) & 1);
114 }
115 
123 {
124  return (bool) (((pGPIO->DIR) >> Bit) & 1);
125 }
126 
131 #ifdef __cplusplus
132 }
133 #endif
134 
135 #endif /* __GPIO_002_H_ */