LPCOpen Platform for LPC18XX/43XX microcontrollers  18XX43XX
LPCOpen Platform for the NXP LPC18XX/43XX family of Microcontrollers
ritimer_18xx_43xx.h
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1 /*
2  * @brief LPC18xx/43xx RITimer driver
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 __RITIMER_18XX_43XX_H_
33 #define __RITIMER_18XX_43XX_H_
34 
35 #ifdef __cplusplus
36 extern "C" {
37 #endif
38 
47 typedef struct {
48  __IO uint32_t COMPVAL;
49  __IO uint32_t MASK;
50  __IO uint32_t CTRL;
51  __IO uint32_t COUNTER;
53 
54 /*
55  * @brief RITIMER register support bitfields and mask
56  */
57 
58 /*
59  * RIT control register
60  */
62 #define RIT_CTRL_INT ((uint32_t) (1))
63 
64 #define RIT_CTRL_ENCLR ((uint32_t) _BIT(1))
65 
66 #define RIT_CTRL_ENBR ((uint32_t) _BIT(2))
67 
68 #define RIT_CTRL_TEN ((uint32_t) _BIT(3))
69 
75 void Chip_RIT_Init(LPC_RITIMER_T *pRITimer);
76 
82 void Chip_RIT_DeInit(LPC_RITIMER_T *pRITimer);
83 
90 {
91  pRITimer->CTRL |= RIT_CTRL_TEN;
92 }
93 
100 {
101  pRITimer->CTRL &= ~RIT_CTRL_TEN;
102 }
103 
110 {
111  pRITimer->CTRL |= RIT_CTRL_ENBR;
112 }
113 
120 {
121  pRITimer->CTRL &= ~RIT_CTRL_ENBR;
122 }
123 
130 
137 STATIC INLINE void Chip_RIT_SetCOMPVAL(LPC_RITIMER_T *pRITimer, uint32_t val)
138 {
139  pRITimer->COMPVAL = val;
140 }
141 
148 STATIC INLINE void Chip_RIT_EnableCTRL(LPC_RITIMER_T *pRITimer, uint32_t val)
149 {
150  pRITimer->CTRL |= val;
151 }
152 
159 {
160  pRITimer->CTRL |= RIT_CTRL_INT;
161 }
162 
169 {
170  return pRITimer->COUNTER;
171 }
172 
179 void Chip_RIT_SetTimerInterval(LPC_RITIMER_T *pRITimer, uint32_t time_interval);
180 
185 #ifdef __cplusplus
186 }
187 #endif
188 
189 #endif /* __RITIMER_18XX_43XX_H_ */