1 /* --COPYRIGHT--,BSD
2 * Copyright (c) 2017, Texas Instruments Incorporated
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 *
9 * * Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
11 *
12 * * Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in the
14 * documentation and/or other materials provided with the distribution.
15 *
16 * * Neither the name of Texas Instruments Incorporated nor the names of
17 * its contributors may be used to endorse or promote products derived
18 * from this software without specific prior written permission.
19 *
20 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
21 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
22 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
23 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
24 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
25 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
26 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
27 * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
28 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
29 * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
30 * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
31 * --/COPYRIGHT--*/
32 /* Standard Includes */
33 #include <stdint.h>
34
35 /* DriverLib Includes */
36 #include <ti/devices/msp432p4xx/driverlib/wdt_a.h>
37 #include <ti/devices/msp432p4xx/driverlib/interrupt.h>
38 #include <ti/devices/msp432p4xx/driverlib/debug.h>
39
40 #ifdef __MCU_HAS_SYSCTL_A__
41 #include <ti/devices/msp432p4xx/driverlib/sysctl_a.h>
42 #else
43 #include <ti/devices/msp432p4xx/driverlib/sysctl.h>
44 #endif
45
46
WDT_A_holdTimer(void)47 void WDT_A_holdTimer(void)
48 {
49 //Set Hold bit
50 uint8_t newWDTStatus = (WDT_A->CTL | WDT_A_CTL_HOLD);
51
52 WDT_A->CTL = WDT_A_CTL_PW + newWDTStatus;
53 }
54
WDT_A_startTimer(void)55 void WDT_A_startTimer(void)
56 {
57 //Reset Hold bit
58 uint8_t newWDTStatus = (WDT_A->CTL & ~(WDT_A_CTL_HOLD));
59
60 WDT_A->CTL = WDT_A_CTL_PW + newWDTStatus;
61 }
62
WDT_A_clearTimer(void)63 void WDT_A_clearTimer(void)
64 {
65 //Set Counter Clear bit
66 uint8_t newWDTStatus = (WDT_A->CTL | WDT_A_CTL_CNTCL);
67
68 WDT_A->CTL = WDT_A_CTL_PW + newWDTStatus;
69 }
70
WDT_A_initWatchdogTimer(uint_fast8_t clockSelect,uint_fast8_t clockIterations)71 void WDT_A_initWatchdogTimer(uint_fast8_t clockSelect,
72 uint_fast8_t clockIterations)
73 {
74 WDT_A->CTL = WDT_A_CTL_PW + WDT_A_CTL_CNTCL + WDT_A_CTL_HOLD +
75 clockSelect + clockIterations;
76 }
77
WDT_A_initIntervalTimer(uint_fast8_t clockSelect,uint_fast8_t clockIterations)78 void WDT_A_initIntervalTimer(uint_fast8_t clockSelect,
79 uint_fast8_t clockIterations)
80 {
81
82 WDT_A->CTL = WDT_A_CTL_PW + WDT_A_CTL_CNTCL + WDT_A_CTL_HOLD + WDT_A_CTL_TMSEL
83 + clockSelect + clockIterations;
84 }
85
WDT_A_setPasswordViolationReset(uint_fast8_t resetType)86 void WDT_A_setPasswordViolationReset(uint_fast8_t resetType)
87 {
88 #ifdef __MCU_HAS_SYSCTL_A__
89 SysCtl_A_setWDTPasswordViolationResetType(resetType);
90 #else
91 SysCtl_setWDTPasswordViolationResetType(resetType);
92 #endif
93 }
94
WDT_A_setTimeoutReset(uint_fast8_t resetType)95 void WDT_A_setTimeoutReset(uint_fast8_t resetType)
96 {
97 #ifdef __MCU_HAS_SYSCTL_A__
98 SysCtl_A_setWDTTimeoutResetType(resetType);
99 #else
100 SysCtl_setWDTTimeoutResetType(resetType);
101 #endif
102 }
103
WDT_A_registerInterrupt(void (* intHandler)(void))104 void WDT_A_registerInterrupt(void (*intHandler)(void))
105 {
106 //
107 // Register the interrupt handler, returning an error if an error occurs.
108 //
109 Interrupt_registerInterrupt(INT_WDT_A, intHandler);
110
111 //
112 // Enable the system control interrupt.
113 //
114 Interrupt_enableInterrupt (INT_WDT_A);
115 }
116
WDT_A_unregisterInterrupt(void)117 void WDT_A_unregisterInterrupt(void)
118 {
119 //
120 // Disable the interrupt.
121 //
122 Interrupt_disableInterrupt (INT_WDT_A);
123
124 //
125 // Unregister the interrupt handler.
126 //
127 Interrupt_unregisterInterrupt(INT_WDT_A);
128 }
129
130
