1 /* *****************************************************************************
2 * Copyright (C) 2016 Maxim Integrated Products, Inc., All Rights Reserved.
3 *
4 * Permission is hereby granted, free of charge, to any person obtaining a
5 * copy of this software and associated documentation files (the "Software"),
6 * to deal in the Software without restriction, including without limitation
7 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
8 * and/or sell copies of the Software, and to permit persons to whom the
9 * Software is furnished to do so, subject to the following conditions:
10 *
11 * The above copyright notice and this permission notice shall be included
12 * in all copies or substantial portions of the Software.
13 *
14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
15 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
16 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
17 * IN NO EVENT SHALL MAXIM INTEGRATED BE LIABLE FOR ANY CLAIM, DAMAGES
18 * OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
19 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
20 * OTHER DEALINGS IN THE SOFTWARE.
21 *
22 * Except as contained in this notice, the name of Maxim Integrated
23 * Products, Inc. shall not be used except as stated in the Maxim Integrated
24 * Products, Inc. Branding Policy.
25 *
26 * The mere transfer of this software does not imply any licenses
27 * of trade secrets, proprietary technology, copyrights, patents,
28 * trademarks, maskwork rights, or any other form of intellectual
29 * property whatsoever. Maxim Integrated Products, Inc. retains all
30 * ownership rights.
31 *
32 * $Date: 2018-12-18 15:37:22 -0600 (Tue, 18 Dec 2018) $
33 * $Revision: 40072 $
34 *
35 **************************************************************************** */
36
37 /* **** Includes **** */
38 #include "mxc_config.h"
39 #include "mxc_errors.h"
40 #include "mxc_assert.h"
41 #include "mxc_sys.h"
42 #include "wdt.h"
43
44 /* **** Definitions **** */
45
46 /* **** Globals **** */
47
48 /* **** Functions **** */
49
50 /* ************************************************************************** */
WDT_Init(mxc_wdt_regs_t * wdt,sys_cfg_wdt_t sys_cfg)51 int WDT_Init(mxc_wdt_regs_t* wdt, sys_cfg_wdt_t sys_cfg)
52 {
53 SYS_WDT_Init(wdt, sys_cfg);
54
55 return E_NO_ERROR;
56 }
57
58 /* ************************************************************************** */
WDT_SetIntPeriod(mxc_wdt_regs_t * wdt,wdt_period_t period)59 void WDT_SetIntPeriod(mxc_wdt_regs_t* wdt, wdt_period_t period)
60 {
61 MXC_SETFIELD(wdt->ctrl, MXC_F_WDT_CTRL_INT_PERIOD, period);
62 }
63
64 /* ************************************************************************** */
WDT_SetResetPeriod(mxc_wdt_regs_t * wdt,wdt_period_t period)65 void WDT_SetResetPeriod(mxc_wdt_regs_t* wdt, wdt_period_t period)
66 {
67 MXC_SETFIELD(wdt->ctrl, MXC_F_WDT_CTRL_RST_PERIOD, (period << (MXC_F_WDT_CTRL_RST_PERIOD_POS - MXC_F_WDT_CTRL_INT_PERIOD_POS)));
68 }
69
70 /* ************************************************************************** */
WDT_Enable(mxc_wdt_regs_t * wdt,int enable)71 void WDT_Enable(mxc_wdt_regs_t* wdt, int enable)
72 {
73 if (enable) {
74 wdt->ctrl |= MXC_F_WDT_CTRL_WDT_EN;
75 } else {
76 wdt->ctrl &= ~(MXC_F_WDT_CTRL_WDT_EN);
77 }
78 }
79
80 /* ************************************************************************** */
WDT_EnableInt(mxc_wdt_regs_t * wdt,int enable)81 void WDT_EnableInt(mxc_wdt_regs_t* wdt, int enable)
82 {
83 if (enable) {
84 wdt->ctrl |= MXC_F_WDT_CTRL_INT_EN;
85 } else {
86 wdt->ctrl &= ~(MXC_F_WDT_CTRL_INT_EN);
87 }
88 }
89
90 /* ************************************************************************** */
WDT_EnableReset(mxc_wdt_regs_t * wdt,int enable)91 void WDT_EnableReset(mxc_wdt_regs_t* wdt, int enable)
92 {
93 if (enable) {
94 wdt->ctrl |= MXC_F_WDT_CTRL_RST_EN;
95 } else {
96 wdt->ctrl &= ~(MXC_F_WDT_CTRL_RST_EN);
97 }
98 }
99
100 /* ************************************************************************** */
WDT_ResetTimer(mxc_wdt_regs_t * wdt)101 void WDT_ResetTimer(mxc_wdt_regs_t* wdt)
102 {
103 wdt->rst = 0x00A5;
104 wdt->rst = 0x005A;
105 }
106
107 /* ************************************************************************** */
WDT_GetResetFlag(mxc_wdt_regs_t * wdt)108 int WDT_GetResetFlag(mxc_wdt_regs_t* wdt)
109 {
110 return !!(wdt->ctrl & MXC_F_WDT_CTRL_RST_FLAG);
111 }
112
113 /* ************************************************************************** */
WDT_ClearResetFlag(mxc_wdt_regs_t * wdt)114 void WDT_ClearResetFlag(mxc_wdt_regs_t* wdt)
115 {
116 wdt->ctrl &= ~(MXC_F_WDT_CTRL_RST_FLAG);
117 }
118
119 /* ************************************************************************** */
WDT_GetIntFlag(mxc_wdt_regs_t * wdt)120 int WDT_GetIntFlag(mxc_wdt_regs_t* wdt)
121 {
122 return !!(wdt->ctrl & MXC_F_WDT_CTRL_INT_FLAG);
123 }
124
125 /* ************************************************************************** */
WDT_ClearIntFlag(mxc_wdt_regs_t * wdt)126 void WDT_ClearIntFlag(mxc_wdt_regs_t* wdt)
127 {
128 wdt->ctrl &= ~(MXC_F_WDT_CTRL_INT_FLAG);
129 }
130