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wwdt_17xx_40xx.h
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1 /*
2 * @brief LPC17xx/40xx 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_17XX_40XX_H_
33 #define __WWDT_17XX_40XX_H_
34
35 #ifdef __cplusplus
36 extern "C" {
37 #endif
38
45 #define WDT_OSC (500000 / 4)
48 #define WWDT_TICKS_MIN 0xFF
49
51 #define WWDT_TICKS_MAX 0xFFFFFF
52
57 void Chip_WWDT_Init(LPC_WWDT_T *pWWDT);
58
64 STATIC INLINE void Chip_WWDT_DeInit(LPC_WWDT_T *pWWDT)
65 {
66 IP_WWDT_DeInit(pWWDT);
67 }
68
75 STATIC INLINE void Chip_WWDT_SetTimeOut(LPC_WWDT_T *pWWDT, uint32_t timeout)
76 {
77 IP_WWDT_SetTimeOut(pWWDT, timeout);
78 }
79
87 STATIC INLINE void Chip_WWDT_Feed(LPC_WWDT_T *pWWDT)
88 {
89 IP_WWDT_Feed(pWWDT);
90 }
91
92 #if defined(WATCHDOG_WINDOW_SUPPORT)
93
101 STATIC INLINE void Chip_WWDT_SetWarning(LPC_WWDT_T *pWWDT, uint32_t timeout)
102 {
103 IP_WWDT_SetWarning(pWWDT, timeout);
104 }
105
115 STATIC INLINE void Chip_WWDT_SetWindow(LPC_WWDT_T *pWWDT, uint32_t timeout)
116 {
117 IP_WWDT_SetWindow(pWWDT, timeout);
118 }
119 #endif /*defined(WATCHDOG_WINDOW_SUPPORT)*/
120
131 STATIC INLINE void Chip_WWDT_SetOption(LPC_WWDT_T *pWWDT, uint32_t options)
132 {
133 IP_WWDT_SetOption(pWWDT, options);
134 }
135
145 STATIC INLINE void Chip_WWDT_UnsetOption(LPC_WWDT_T *pWWDT, uint32_t options)
146 {
147 IP_WWDT_UnsetOption(pWWDT, options);
148 }
149
155 STATIC INLINE void Chip_WWDT_Start(LPC_WWDT_T *pWWDT)
156 {
157 IP_WWDT_Start(pWWDT);
158 }
159
165 STATIC INLINE uint32_t Chip_WWDT_GetStatus(LPC_WWDT_T *pWWDT)
166 {
167 return IP_WWDT_GetStatus(pWWDT);
168 }
169
178 STATIC INLINE void Chip_WWDT_ClearStatusFlag(LPC_WWDT_T *pWWDT, uint32_t status)
179 {
180 IP_WWDT_ClearStatusFlag(pWWDT, status);
181 }
182
188 STATIC INLINE uint32_t Chip_WWDT_GetCurrentCount(LPC_WWDT_T *pWWDT)
189 {
190 return IP_WWDT_GetCurrentCount(pWWDT);
191 }
192
193 #if defined(WATCHDOG_CLKSEL_SUPPORT)
194
197 typedef enum CHIP_WWDT_CLK_SRC {
198 WWDT_CLKSRC_IRC = WWDT_CLKSEL_SOURCE(0),
199 WWDT_CLKSRC_WATCHDOG_PCLK = WWDT_CLKSEL_SOURCE(1),
200 WWDT_CLKSRC_RTC_CLK = WWDT_CLKSEL_SOURCE(2),
201 } CHIP_WWDT_CLK_SRC_T;
202
209 STATIC INLINE void Chip_WWDT_SelClockSource(LPC_WWDT_T *pWWDT, CHIP_WWDT_CLK_SRC_T wdtClkSrc)
210 {
211 IP_WWDT_SelClockSource(pWWDT, (uint32_t) wdtClkSrc);
212 }
213
214 #endif
215
220 #ifdef __cplusplus
221 }
222 #endif
223
224 #endif /* __WWDT_17XX_40XX_H_ */