1 /**************************************************************************//**
2 * @file wdt.c
3 * @version V3.00
4 * @brief M480 series WDT driver source file
5 *
6 * SPDX-License-Identifier: Apache-2.0
7 * @copyright (C) 2016-2020 Nuvoton Technology Corp. All rights reserved.
8 *****************************************************************************/
9 #include "NuMicro.h"
10
11
12 /** @addtogroup Standard_Driver Standard Driver
13 @{
14 */
15
16 /** @addtogroup WDT_Driver WDT Driver
17 @{
18 */
19
20 /** @addtogroup WDT_EXPORTED_FUNCTIONS WDT Exported Functions
21 @{
22 */
23
24 /**
25 * @brief Initialize WDT and start counting
26 *
27 * @param[in] u32TimeoutInterval Time-out interval period of WDT module. Valid values are:
28 * - \ref WDT_TIMEOUT_2POW4
29 * - \ref WDT_TIMEOUT_2POW6
30 * - \ref WDT_TIMEOUT_2POW8
31 * - \ref WDT_TIMEOUT_2POW10
32 * - \ref WDT_TIMEOUT_2POW12
33 * - \ref WDT_TIMEOUT_2POW14
34 * - \ref WDT_TIMEOUT_2POW16
35 * - \ref WDT_TIMEOUT_2POW18
36 * @param[in] u32ResetDelay Configure WDT time-out reset delay period. Valid values are:
37 * - \ref WDT_RESET_DELAY_1026CLK
38 * - \ref WDT_RESET_DELAY_130CLK
39 * - \ref WDT_RESET_DELAY_18CLK
40 * - \ref WDT_RESET_DELAY_3CLK
41 * @param[in] u32EnableReset Enable WDT time-out reset system function. Valid values are TRUE and FALSE.
42 * @param[in] u32EnableWakeup Enable WDT time-out wake-up system function. Valid values are TRUE and FALSE.
43 *
44 * @return None
45 *
46 * @details This function makes WDT module start counting with different time-out interval, reset delay period and choose to \n
47 * enable or disable WDT time-out reset system or wake-up system.
48 * @note Please make sure that Register Write-Protection Function has been disabled before using this function.
49 */
WDT_Open(uint32_t u32TimeoutInterval,uint32_t u32ResetDelay,uint32_t u32EnableReset,uint32_t u32EnableWakeup)50 void WDT_Open(uint32_t u32TimeoutInterval,
51 uint32_t u32ResetDelay,
52 uint32_t u32EnableReset,
53 uint32_t u32EnableWakeup)
54 {
55 WDT->ALTCTL = u32ResetDelay;
56
57 WDT->CTL = u32TimeoutInterval | WDT_CTL_WDTEN_Msk |
58 (u32EnableReset << WDT_CTL_RSTEN_Pos) |
59 (u32EnableWakeup << WDT_CTL_WKEN_Pos);
60 return;
61 }
62
63 /*@}*/ /* end of group WDT_EXPORTED_FUNCTIONS */
64
65 /*@}*/ /* end of group WDT_Driver */
66
67 /*@}*/ /* end of group Standard_Driver */
68
69 /*** (C) COPYRIGHT 2016 Nuvoton Technology Corp. ***/
70
