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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;
61 } IP_GPIO_002_T;
62
68 STATIC INLINE void IP_GPIO_Init(IP_GPIO_002_T *pGPIO)
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
111 STATIC INLINE bool IP_GPIO_ReadPortBit(IP_GPIO_002_T *pGPIO, uint8_t Bit)
112 {
113 return (bool) ((pGPIO->PIN >> Bit) & 1);
114 }
115
122 STATIC INLINE bool IP_GPIO_ReadDirBit(IP_GPIO_002_T *pGPIO, uint8_t Bit)
123 {
124 return (bool) (((pGPIO->DIR) >> Bit) & 1);
125 }
126
131 #ifdef __cplusplus
132 }
133 #endif
134
135 #endif /* __GPIO_002_H_ */