LPCOpen Platform  v1.03
LPCOpen Platform for NXP LPC Microcontrollers
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gpio_001.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_001_H_
33 #define __GPIO_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 uint8_t B[128][32];
52  __IO uint32_t W[32][32];
53  __IO uint32_t DIR[32];
54  __IO uint32_t MASK[32];
55  __IO uint32_t PIN[32];
56  __IO uint32_t MPIN[32];
57  __IO uint32_t SET[32];
58  __O uint32_t CLR[32];
59  __O uint32_t NOT[32];
61 
68 {}
69 
78 STATIC INLINE void IP_GPIO_WritePortBit(IP_GPIO_001_T *pGPIO, uint32_t Port, uint8_t Bit, bool Setting)
79 {
80  pGPIO->B[Port][Bit] = Setting;
81 }
82 
91 STATIC INLINE void IP_GPIO_WriteDirBit(IP_GPIO_001_T *pGPIO, uint32_t Port, uint8_t Bit, bool Setting)
92 {
93  if (Setting) {
94  pGPIO->DIR[Port] |= 1UL << Bit;
95  }
96  else {
97  pGPIO->DIR[Port] &= ~(1UL << Bit);
98  }
99 }
100 
108 STATIC INLINE bool IP_GPIO_ReadPortBit(IP_GPIO_001_T *pGPIO, uint32_t Port, uint8_t Bit)
109 {
110  return (bool) pGPIO->B[Port][Bit];
111 }
112 
120 STATIC INLINE bool IP_GPIO_ReadDirBit(IP_GPIO_001_T *pGPIO, uint32_t Port, uint8_t Bit)
121 {
122  return (bool) (((pGPIO->DIR[Port]) >> Bit) & 1);
123 }
124 
129 #ifdef __cplusplus
130 }
131 #endif
132 
133 #endif /* __GPIO_001_H_ */