1 /*
2 * Copyright (c) 2022 OpenLuat & AirM2M
3 *
4 * Permission is hereby granted, free of charge, to any person obtaining a copy of
5 * this software and associated documentation files (the "Software"), to deal in
6 * the Software without restriction, including without limitation the rights to
7 * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
8 * the Software, and to permit persons to whom the Software is furnished to do so,
9 * subject to the following conditions:
10 *
11 * The above copyright notice and this permission notice shall be included in all
12 * copies or substantial portions of the Software.
13 *
14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
16 * FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
17 * COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
18 * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
19 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
20 */
21
22 #include "user.h"
23 #define COUNTER_RELOAD_KEY ((uint32_t)0x76)
WDT_SetTimeout(uint32_t ms)24 void WDT_SetTimeout(uint32_t ms)
25 {
26 WDT->WDT_RLD = SYSCTRL->PCLK_1MS_VAL * ms;
27 }
28
WDT_Feed(void)29 void WDT_Feed(void)
30 {
31 WDT->WDT_CRR = COUNTER_RELOAD_KEY;
32 }
33
WDT_Enable(void)34 void WDT_Enable(void)
35 {
36 WDT->WDT_CR |= WDT_CR_WDT_EN;
37 }
38
WDT_ModeConfig(WDT_ModeTypeDef WDT_Mode)39 void WDT_ModeConfig(WDT_ModeTypeDef WDT_Mode)
40 {
41 if(WDT_Mode == WDT_Mode_Interrupt)
42 WDT->WDT_CR |= WDT_CR_RMOD;
43 else if(WDT_Mode == WDT_Mode_CPUReset)
44 WDT->WDT_CR &= ~WDT_CR_RMOD;
45 }
46