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LPCOpen Platform for NXP LPC Microcontrollers
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wwdt_11xx.h
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1 /*
2  * @brief LPC11xx WWDT chip 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 __WWDT_11XX_H_
33 #define __WWDT_11XX_H_
34 
35 #ifdef __cplusplus
36 extern "C" {
37 #endif
38 
45 #define WDT_OSC (CGU_IRC_FREQ)
46 
47 #if defined(CHIP_LPC11AXX) || defined(CHIP_LPC11EXX) || defined(CHIP_LPC11UXX)
48 
51 typedef enum CHIP_WWDT_CLK_SRC {
52  WWDT_CLKSRC_IRC = WWDT_CLKSEL_SOURCE(0),
53  WWDT_CLKSRC_WATCHDOG_WDOSC = WWDT_CLKSEL_SOURCE(1),
54 } CHIP_WWDT_CLK_SRC_T;
55 #endif
56 
62 void Chip_WWDT_Init(LPC_WWDT_T *pWWDT);
63 
69 void Chip_WWDT_DeInit(LPC_WWDT_T *pWWDT);
70 
78 {
79  IP_WWDT_SetTimeOut(pWWDT, timeout);
80 }
81 
90 {
91  IP_WWDT_Feed(pWWDT);
92 }
93 
94 #if defined(WATCHDOG_WINDOW_SUPPORT)
95 
104 {
105  IP_WWDT_SetWarning(pWWDT, timeout);
106 }
107 
118 {
119  IP_WWDT_SetWindow(pWWDT, timeout);
120 }
121 
122 #endif
123 
135 {
136  IP_WWDT_SetOption(pWWDT, options);
137 }
138 
149 {
150  IP_WWDT_UnsetOption(pWWDT, options);
151 }
152 
159 {
160  IP_WWDT_Start(pWWDT);
161 }
162 
169 {
170  return IP_WWDT_GetStatus(pWWDT);
171 }
172 
182 {
183  IP_WWDT_ClearStatusFlag(pWWDT, status);
184 }
185 
192 {
193  return IP_WWDT_GetCurrentCount(pWWDT);
194 }
195 
196 #if defined(CHIP_LPC11AXX) || defined(CHIP_LPC11EXX) || defined(CHIP_LPC11UXX)
197 
203 STATIC INLINE void Chip_WWDT_SelClockSource(LPC_WWDT_T *pWWDT, CHIP_WWDT_CLK_SRC_T wdtClkSrc)
204 {
205  IP_WWDT_SelClockSource(pWWDT, (uint32_t) wdtClkSrc);
206 }
207 
208 #endif
209 
214 #ifdef __cplusplus
215 }
216 #endif
217 
218 #endif /* __WWDT_11XX_H_ */