LPCOpen Platform  v1.03
LPCOpen Platform for NXP LPC Microcontrollers
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gpio_003.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_003_H_
33 #define __GPIO_003_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 DATA[4096];
52  uint32_t RESERVED1[4096];
53  __IO uint32_t DIR;
54  __IO uint32_t IS;
55  __IO uint32_t IBE;
56  __IO uint32_t IEV;
57  __IO uint32_t IE;
58  __I uint32_t RIS;
59  __I uint32_t MIS;
60  __O uint32_t IC;
62 
69 {}
70 
80 STATIC INLINE void IP_GPIO_WritePort(IP_GPIO_003_T *pGPIO, uint16_t mask, uint16_t val)
81 {
82  pGPIO->DATA[mask] = val;
83 }
84 
92 STATIC INLINE void IP_GPIO_WritePortBit(IP_GPIO_003_T *pGPIO, uint8_t pin, bool val)
93 {
94  pGPIO->DATA[1 << pin] = val << pin;
95 }
96 
103 {
104  return pGPIO->DATA[4095];
105 }
106 
114 {
115  return (bool) ((pGPIO->DATA[1 << pin] >> pin) & 1);
116 }
117 
125 STATIC INLINE void IP_GPIO_WriteDirBit(IP_GPIO_003_T *pGPIO, uint8_t pin, bool dir)
126 {
127  if (dir) {
128  pGPIO->DIR |= 1UL << pin;
129  }
130  else {
131  pGPIO->DIR &= ~(1UL << pin);
132  }
133 }
134 
142 STATIC INLINE void IP_GPIO_SetDir(IP_GPIO_003_T *pGPIO, uint32_t bitVal, bool dir)
143 {
144  if (dir) {
145  pGPIO->DIR |= bitVal;
146  }
147  else {
148  pGPIO->DIR &= ~bitVal;
149  }
150 }
151 
159 {
160  return (bool) (((pGPIO->DIR) >> pin) & 1);
161 }
162 
163 typedef enum {
168  GPIOPININT_BOTH_EDGES = (1 << 24),
170 
178 void IP_GPIO_IntCmd(IP_GPIO_003_T *pGPIO, uint8_t pin, IP_GPIOPININT_MODE_T mode);
179 
187 {
188  return (bool) (((pGPIO->RIS) >> pin) & 0x01);
189 }
190 
197 STATIC INLINE void IP_GPIO_IntClear(IP_GPIO_003_T *pGPIO, uint8_t pin)
198 {
199  pGPIO->IC |= (1 << pin);
200 }
201 
206 #ifdef __cplusplus
207 }
208 #endif
209 
210 #endif /* __GPIO_003_H_ */