LPCOpen Platform for LPC112X microcontrollers
112X
LPCOpen Platform for the NXP LPC112X family of Microcontrollers
Main Page
Modules
Data Structures
Files
File List
Globals
software
lpc_core
lpc_chip
chip_112x
wwdt_112x.c
Go to the documentation of this file.
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
#include "
chip.h
"
33
34
/*****************************************************************************
35
* Private types/enumerations/variables
36
****************************************************************************/
37
38
/*****************************************************************************
39
* Public types/enumerations/variables
40
****************************************************************************/
41
42
/*****************************************************************************
43
* Private functions
44
****************************************************************************/
45
46
/*****************************************************************************
47
* Public functions
48
****************************************************************************/
49
50
/* Initialize the Watchdog timer */
51
void
Chip_WWDT_Init
(
LPC_WWDT_T
*pWWDT)
52
{
53
Chip_Clock_EnablePeriphClock
(
SYSCON_CLOCK_WDT
);
54
55
/* Disable watchdog */
56
pWWDT->
MOD
= 0;
57
pWWDT->
TC
= 0xFF;
58
pWWDT->
WARNINT
= 0xFFFF;
59
pWWDT->
WINDOW
= 0xFFFFFF;
60
}
61
62
/* Shutdown the Watchdog timer */
63
void
Chip_WWDT_DeInit
(
LPC_WWDT_T
*pWWDT)
64
{
65
Chip_Clock_DisablePeriphClock
(
SYSCON_CLOCK_WDT
);
66
}
67
68
/* Clear WWDT interrupt status flags */
69
void
Chip_WWDT_ClearStatusFlag
(
LPC_WWDT_T
*pWWDT, uint32_t status)
70
{
71
if
(status &
WWDT_WDMOD_WDTOF
) {
72
pWWDT->
MOD
&= (~WWDT_WDMOD_WDTOF) &
WWDT_WDMOD_BITMASK
;
73
}
74
75
if
(status &
WWDT_WDMOD_WDINT
) {
76
pWWDT->
MOD
|=
WWDT_WDMOD_WDINT
;
77
}
78
}
Generated on Fri Feb 20 2015 22:12:06 for LPCOpen Platform for LPC112X microcontrollers by
1.8.3.1