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TARGET_SDT32625B/TOOLCHAIN_IAR/wdt.h@172:65be27845400, 2019-02-20 (annotated)
- Committer:
- AnnaBridge
- Date:
- Wed Feb 20 20:53:29 2019 +0000
- Revision:
- 172:65be27845400
- Parent:
- 171:3a7713b1edbc
mbed library release version 165
Who changed what in which revision?
| User | Revision | Line number | New contents of line |
|---|---|---|---|
| Anna Bridge |
169:a7c7b631e539 | 1 | /******************************************************************************* |
| Anna Bridge |
169:a7c7b631e539 | 2 | * Copyright (C) 2016 Maxim Integrated Products, Inc., All Rights Reserved. |
| Anna Bridge |
169:a7c7b631e539 | 3 | * |
| Anna Bridge |
169:a7c7b631e539 | 4 | * Permission is hereby granted, free of charge, to any person obtaining a |
| Anna Bridge |
169:a7c7b631e539 | 5 | * copy of this software and associated documentation files (the "Software"), |
| Anna Bridge |
169:a7c7b631e539 | 6 | * to deal in the Software without restriction, including without limitation |
| Anna Bridge |
169:a7c7b631e539 | 7 | * the rights to use, copy, modify, merge, publish, distribute, sublicense, |
| Anna Bridge |
169:a7c7b631e539 | 8 | * and/or sell copies of the Software, and to permit persons to whom the |
| Anna Bridge |
169:a7c7b631e539 | 9 | * Software is furnished to do so, subject to the following conditions: |
| Anna Bridge |
169:a7c7b631e539 | 10 | * |
| Anna Bridge |
169:a7c7b631e539 | 11 | * The above copyright notice and this permission notice shall be included |
| Anna Bridge |
169:a7c7b631e539 | 12 | * in all copies or substantial portions of the Software. |
| Anna Bridge |
169:a7c7b631e539 | 13 | * |
| Anna Bridge |
169:a7c7b631e539 | 14 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS |
| Anna Bridge |
169:a7c7b631e539 | 15 | * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF |
| Anna Bridge |
169:a7c7b631e539 | 16 | * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. |
| Anna Bridge |
169:a7c7b631e539 | 17 | * IN NO EVENT SHALL MAXIM INTEGRATED BE LIABLE FOR ANY CLAIM, DAMAGES |
| Anna Bridge |
169:a7c7b631e539 | 18 | * OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, |
| Anna Bridge |
169:a7c7b631e539 | 19 | * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR |
| Anna Bridge |
169:a7c7b631e539 | 20 | * OTHER DEALINGS IN THE SOFTWARE. |
| Anna Bridge |
169:a7c7b631e539 | 21 | * |
| Anna Bridge |
169:a7c7b631e539 | 22 | * Except as contained in this notice, the name of Maxim Integrated |
| Anna Bridge |
169:a7c7b631e539 | 23 | * Products, Inc. shall not be used except as stated in the Maxim Integrated |
| Anna Bridge |
169:a7c7b631e539 | 24 | * Products, Inc. Branding Policy. |
| Anna Bridge |
169:a7c7b631e539 | 25 | * |
| Anna Bridge |
169:a7c7b631e539 | 26 | * The mere transfer of this software does not imply any licenses |
| Anna Bridge |
169:a7c7b631e539 | 27 | * of trade secrets, proprietary technology, copyrights, patents, |
| Anna Bridge |
169:a7c7b631e539 | 28 | * trademarks, maskwork rights, or any other form of intellectual |
| Anna Bridge |
169:a7c7b631e539 | 29 | * property whatsoever. Maxim Integrated Products, Inc. retains all |
| Anna Bridge |
169:a7c7b631e539 | 30 | * ownership rights. |
| Anna Bridge |
169:a7c7b631e539 | 31 | * |
| Anna Bridge |
169:a7c7b631e539 | 32 | * $Date: 2016-03-21 15:44:11 -0500 (Mon, 21 Mar 2016) $ |
| Anna Bridge |
169:a7c7b631e539 | 33 | * $Revision: 22024 $ |
| Anna Bridge |
169:a7c7b631e539 | 34 | * |
| Anna Bridge |
169:a7c7b631e539 | 35 | ******************************************************************************/ |
| Anna Bridge |
169:a7c7b631e539 | 36 | |
| Anna Bridge |
169:a7c7b631e539 | 37 | /** |
| Anna Bridge |
169:a7c7b631e539 | 38 | * @file wdt.h |
| Anna Bridge |
169:a7c7b631e539 | 39 | * @addtogroup wdt WDT |
| Anna Bridge |
169:a7c7b631e539 | 40 | * @{ |
| Anna Bridge |
169:a7c7b631e539 | 41 | * @brief This is the high level API for the watchdog timer interface module |
| Anna Bridge |
169:a7c7b631e539 | 42 | * |
| Anna Bridge |
169:a7c7b631e539 | 43 | */ |
| Anna Bridge |
169:a7c7b631e539 | 44 | |
| Anna Bridge |
169:a7c7b631e539 | 45 | #ifndef _WDT_H |
| Anna Bridge |
169:a7c7b631e539 | 46 | #define _WDT_H |
| Anna Bridge |
169:a7c7b631e539 | 47 | |
| Anna Bridge |
169:a7c7b631e539 | 48 | #include "mxc_config.h" |
| Anna Bridge |
169:a7c7b631e539 | 49 | #include "wdt_regs.h" |
| Anna Bridge |
169:a7c7b631e539 | 50 | #include "mxc_assert.h" |
| Anna Bridge |
169:a7c7b631e539 | 51 | #include "mxc_sys.h" |
| Anna Bridge |
169:a7c7b631e539 | 52 | |
| Anna Bridge |
169:a7c7b631e539 | 53 | #ifdef __cplusplus |
| Anna Bridge |
169:a7c7b631e539 | 54 | extern "C" { |
| Anna Bridge |
169:a7c7b631e539 | 55 | #endif |
| Anna Bridge |
169:a7c7b631e539 | 56 | |
| Anna Bridge |
169:a7c7b631e539 | 57 | #define WDT_FLAGS_CLEAR_ALL (MXC_F_WDT_FLAGS_TIMEOUT| \ |
| Anna Bridge |
169:a7c7b631e539 | 58 | MXC_F_WDT_FLAGS_PRE_WIN | \ |
| Anna Bridge |
169:a7c7b631e539 | 59 | MXC_F_WDT_FLAGS_RESET_OUT) |
| Anna Bridge |
169:a7c7b631e539 | 60 | /** @enum wdt_period_t */ |
| Anna Bridge |
169:a7c7b631e539 | 61 | /** @brief Enumeration for the Watchdog Timer Period */ |
| Anna Bridge |
169:a7c7b631e539 | 62 | typedef enum { |
| Anna Bridge |
169:a7c7b631e539 | 63 | WDT_PERIOD_2_31_CLKS = MXC_V_WDT_CTRL_INT_PERIOD_2_31_CLKS, /**< 2^31 WDT clocks. */ |
| Anna Bridge |
169:a7c7b631e539 | 64 | WDT_PERIOD_2_30_CLKS = MXC_V_WDT_CTRL_INT_PERIOD_2_30_CLKS, /**< 2^30 WDT clocks. */ |
| Anna Bridge |
169:a7c7b631e539 | 65 | WDT_PERIOD_2_29_CLKS = MXC_V_WDT_CTRL_INT_PERIOD_2_29_CLKS, /**< 2^29 WDT clocks. */ |
| Anna Bridge |
169:a7c7b631e539 | 66 | WDT_PERIOD_2_28_CLKS = MXC_V_WDT_CTRL_INT_PERIOD_2_28_CLKS, /**< 2^28 WDT clocks. */ |
| Anna Bridge |
169:a7c7b631e539 | 67 | WDT_PERIOD_2_27_CLKS = MXC_V_WDT_CTRL_INT_PERIOD_2_27_CLKS, /**< 2^27 WDT clocks. */ |
| Anna Bridge |
169:a7c7b631e539 | 68 | WDT_PERIOD_2_26_CLKS = MXC_V_WDT_CTRL_INT_PERIOD_2_26_CLKS, /**< 2^26 WDT clocks. */ |
| Anna Bridge |
169:a7c7b631e539 | 69 | WDT_PERIOD_2_25_CLKS = MXC_V_WDT_CTRL_INT_PERIOD_2_25_CLKS, /**< 2^25 WDT clocks. */ |
| Anna Bridge |
169:a7c7b631e539 | 70 | WDT_PERIOD_2_24_CLKS = MXC_V_WDT_CTRL_INT_PERIOD_2_24_CLKS, /**< 2^24 WDT clocks. */ |
| Anna Bridge |
169:a7c7b631e539 | 71 | WDT_PERIOD_2_23_CLKS = MXC_V_WDT_CTRL_INT_PERIOD_2_23_CLKS, /**< 2^23 WDT clocks. */ |
| Anna Bridge |
169:a7c7b631e539 | 72 | WDT_PERIOD_2_22_CLKS = MXC_V_WDT_CTRL_INT_PERIOD_2_22_CLKS, /**< 2^22 WDT clocks. */ |
| Anna Bridge |
169:a7c7b631e539 | 73 | WDT_PERIOD_2_21_CLKS = MXC_V_WDT_CTRL_INT_PERIOD_2_21_CLKS, /**< 2^21 WDT clocks. */ |
| Anna Bridge |
169:a7c7b631e539 | 74 | WDT_PERIOD_2_20_CLKS = MXC_V_WDT_CTRL_INT_PERIOD_2_20_CLKS, /**< 2^20 WDT clocks. */ |
| Anna Bridge |
169:a7c7b631e539 | 75 | WDT_PERIOD_2_19_CLKS = MXC_V_WDT_CTRL_INT_PERIOD_2_19_CLKS, /**< 2^19 WDT clocks. */ |
| Anna Bridge |
169:a7c7b631e539 | 76 | WDT_PERIOD_2_18_CLKS = MXC_V_WDT_CTRL_INT_PERIOD_2_18_CLKS, /**< 2^18 WDT clocks. */ |
| Anna Bridge |
169:a7c7b631e539 | 77 | WDT_PERIOD_2_17_CLKS = MXC_V_WDT_CTRL_INT_PERIOD_2_17_CLKS, /**< 2^17 WDT clocks. */ |
| Anna Bridge |
169:a7c7b631e539 | 78 | WDT_PERIOD_2_16_CLKS = MXC_V_WDT_CTRL_INT_PERIOD_2_16_CLKS, /**< 2^16 WDT clocks. */ |
| Anna Bridge |
169:a7c7b631e539 | 79 | WDT_PERIOD_MAX /**< Maximum Period is Max - 1 */ |
| Anna Bridge |
169:a7c7b631e539 | 80 | } wdt_period_t; |
| Anna Bridge |
169:a7c7b631e539 | 81 | |
| Anna Bridge |
169:a7c7b631e539 | 82 | /** |
| Anna Bridge |
169:a7c7b631e539 | 83 | * @brief Initializes system level clocks and sets watchdog in a known disabled state |
| Anna Bridge |
169:a7c7b631e539 | 84 | * @note The clk_scale in cfg is only used if the system clock is selected for clk. |
| Anna Bridge |
169:a7c7b631e539 | 85 | * |
| Anna Bridge |
169:a7c7b631e539 | 86 | * @param wdt Pointer to the Watchdog Timer Instance |
| Anna Bridge |
169:a7c7b631e539 | 87 | * @param cfg Watchdog system configuration, see sys_cfg_wdt_t. |
| Anna Bridge |
169:a7c7b631e539 | 88 | * @param unlock_key Watchdog unlock key |
| Anna Bridge |
169:a7c7b631e539 | 89 | * |
| Anna Bridge |
169:a7c7b631e539 | 90 | * @retval E_NO_ERROR Watchdog Timer initialized as requested |
| Anna Bridge |
169:a7c7b631e539 | 91 | * @retval E_NULL_PTR NULL pointer for Watchdog Timer Instance or Configuration parameters. |
| Anna Bridge |
169:a7c7b631e539 | 92 | * @retval E_BAD_STATE Invalid unlock_key, WDT failed to unlock. |
| Anna Bridge |
169:a7c7b631e539 | 93 | */ |
| Anna Bridge |
169:a7c7b631e539 | 94 | int WDT_Init(mxc_wdt_regs_t *wdt, const sys_cfg_wdt_t *cfg, uint8_t unlock_key); |
| Anna Bridge |
169:a7c7b631e539 | 95 | |
| Anna Bridge |
169:a7c7b631e539 | 96 | /** |
| Anna Bridge |
169:a7c7b631e539 | 97 | * @brief Configures and enables the interrupt timeout for the watchdog specified. |
| Anna Bridge |
169:a7c7b631e539 | 98 | * |
| Anna Bridge |
169:a7c7b631e539 | 99 | * @param wdt Watchdog module to operate on |
| Anna Bridge |
169:a7c7b631e539 | 100 | * @param int_period Interrupt period as defined by wdt_period_t. |
| Anna Bridge |
169:a7c7b631e539 | 101 | * @param unlock_key Key to unlock watchdog. See MXC_WDT_UNLOCK_KEY. |
| Anna Bridge |
169:a7c7b631e539 | 102 | * |
| Anna Bridge |
169:a7c7b631e539 | 103 | * @retval E_NO_ERROR Interrupt enabled |
| Anna Bridge |
169:a7c7b631e539 | 104 | * @retval E_BAD_STATE Invalid unlock_key, WDT failed to unlock. |
| Anna Bridge |
169:a7c7b631e539 | 105 | */ |
| Anna Bridge |
169:a7c7b631e539 | 106 | int WDT_EnableInt(mxc_wdt_regs_t *wdt, wdt_period_t int_period, uint8_t unlock_key); |
| Anna Bridge |
169:a7c7b631e539 | 107 | |
| Anna Bridge |
169:a7c7b631e539 | 108 | /** |
| Anna Bridge |
169:a7c7b631e539 | 109 | * @brief Disables the interrupt timeout for the watchdog specified. |
| Anna Bridge |
169:a7c7b631e539 | 110 | * |
| Anna Bridge |
169:a7c7b631e539 | 111 | * @param wdt Pointer to the Watchdog Timer Instance |
| Anna Bridge |
169:a7c7b631e539 | 112 | * @param unlock_key Key to unlock watchdog. See MXC_WDT_UNLOCK_KEY. |
| Anna Bridge |
169:a7c7b631e539 | 113 | * |
| Anna Bridge |
169:a7c7b631e539 | 114 | * @retval E_NO_ERROR Interrupt disabled. |
| Anna Bridge |
169:a7c7b631e539 | 115 | * @retval E_BAD_STATE Invalid unlock_key, WDT failed to unlock. |
| Anna Bridge |
169:a7c7b631e539 | 116 | */ |
| Anna Bridge |
169:a7c7b631e539 | 117 | int WDT_DisableInt(mxc_wdt_regs_t *wdt, uint8_t unlock_key); |
| Anna Bridge |
169:a7c7b631e539 | 118 | |
| Anna Bridge |
169:a7c7b631e539 | 119 | /** |
| Anna Bridge |
169:a7c7b631e539 | 120 | * @brief Configures and enables the pre-window timeout for the watchdog specified. |
| Anna Bridge |
169:a7c7b631e539 | 121 | * |
| Anna Bridge |
169:a7c7b631e539 | 122 | * @param wdt Pointer to the Watchdog Timer Instance |
| Anna Bridge |
169:a7c7b631e539 | 123 | * @param wait_period Pre-window period, see wdt_period_t for accepted values. |
| Anna Bridge |
169:a7c7b631e539 | 124 | * @param unlock_key Key to unlock watchdog. See MXC_WDT_UNLOCK_KEY. |
| Anna Bridge |
169:a7c7b631e539 | 125 | * |
| Anna Bridge |
169:a7c7b631e539 | 126 | * @retval E_NO_ERROR Pre-window timeout set to wait_period |
| Anna Bridge |
169:a7c7b631e539 | 127 | * @retval E_BAD_STATE WDT unable to be unlocked |
| Anna Bridge |
169:a7c7b631e539 | 128 | * @retval E_INVALID Requested Period is greater than the maximum supported |
| Anna Bridge |
169:a7c7b631e539 | 129 | */ |
| Anna Bridge |
169:a7c7b631e539 | 130 | int WDT_EnableWait(mxc_wdt_regs_t *wdt, wdt_period_t wait_period, uint8_t unlock_key); |
| Anna Bridge |
169:a7c7b631e539 | 131 | |
| Anna Bridge |
169:a7c7b631e539 | 132 | /** |
| Anna Bridge |
169:a7c7b631e539 | 133 | * @brief Disables the pre-window timeout for the watchdog specified. |
| Anna Bridge |
169:a7c7b631e539 | 134 | * |
| Anna Bridge |
169:a7c7b631e539 | 135 | * @param wdt Pointer to the Watchdog Timer Instance |
| Anna Bridge |
169:a7c7b631e539 | 136 | * @param unlock_key Key to unlock watchdog. See MXC_WDT_UNLOCK_KEY. |
| Anna Bridge |
169:a7c7b631e539 | 137 | * |
| Anna Bridge |
169:a7c7b631e539 | 138 | * @retval E_NO_ERROR Wait disabled. |
| Anna Bridge |
169:a7c7b631e539 | 139 | * @retval E_BAD_STATE Invalid unlock_key, WDT failed to unlock. |
| Anna Bridge |
169:a7c7b631e539 | 140 | */ |
| Anna Bridge |
169:a7c7b631e539 | 141 | int WDT_DisableWait(mxc_wdt_regs_t *wdt, uint8_t unlock_key); |
| Anna Bridge |
169:a7c7b631e539 | 142 | |
| Anna Bridge |
169:a7c7b631e539 | 143 | /** |
| Anna Bridge |
169:a7c7b631e539 | 144 | * @brief Configures and enables the reset timeout for the watchdog specified. |
| Anna Bridge |
169:a7c7b631e539 | 145 | * |
| Anna Bridge |
169:a7c7b631e539 | 146 | * @param wdt Pointer to the Watchdog Timer Instance |
| Anna Bridge |
169:a7c7b631e539 | 147 | * @param rst_period Reset period, see wdt_period_t for accepted values. |
| Anna Bridge |
169:a7c7b631e539 | 148 | * @param unlock_key Key to unlock watchdog. See MXC_WDT_UNLOCK_KEY. |
| Anna Bridge |
169:a7c7b631e539 | 149 | * |
| Anna Bridge |
169:a7c7b631e539 | 150 | * @retval E_NO_ERROR Watchdog Timer Reset enabled with the rst_period time. |
| Anna Bridge |
169:a7c7b631e539 | 151 | * @retval E_BAD_STATE Invalid unlock_key, WDT failed to unlock. |
| Anna Bridge |
169:a7c7b631e539 | 152 | * @retval E_INVALID Requested Period is greater than the maximum supported |
| Anna Bridge |
169:a7c7b631e539 | 153 | */ |
| Anna Bridge |
169:a7c7b631e539 | 154 | int WDT_EnableReset(mxc_wdt_regs_t *wdt, wdt_period_t rst_period, uint8_t unlock_key); |
| Anna Bridge |
169:a7c7b631e539 | 155 | |
| Anna Bridge |
169:a7c7b631e539 | 156 | /** |
| Anna Bridge |
169:a7c7b631e539 | 157 | * @brief Disables the reset timeout for the watchdog specified. |
| Anna Bridge |
169:a7c7b631e539 | 158 | * |
| Anna Bridge |
169:a7c7b631e539 | 159 | * @param wdt Pointer to the Watchdog Timer Instance |
| Anna Bridge |
169:a7c7b631e539 | 160 | * @param unlock_key Key to unlock watchdog. See MXC_WDT_UNLOCK_KEY. |
| Anna Bridge |
169:a7c7b631e539 | 161 | * |
| Anna Bridge |
169:a7c7b631e539 | 162 | * @retval E_NO_ERROR Reset disabled. |
| Anna Bridge |
169:a7c7b631e539 | 163 | * @retval E_BAD_STATE Invalid unlock_key, WDT failed to unlock. |
| Anna Bridge |
169:a7c7b631e539 | 164 | */ |
| Anna Bridge |
169:a7c7b631e539 | 165 | int WDT_DisableReset(mxc_wdt_regs_t *wdt, uint8_t unlock_key); |
| Anna Bridge |
169:a7c7b631e539 | 166 | |
| Anna Bridge |
169:a7c7b631e539 | 167 | /** |
| Anna Bridge |
169:a7c7b631e539 | 168 | * @brief Gets the watchdog interrupt flags |
| Anna Bridge |
169:a7c7b631e539 | 169 | * |
| Anna Bridge |
169:a7c7b631e539 | 170 | * @param wdt Pointer to the Watchdog Timer Instance. |
| Anna Bridge |
169:a7c7b631e539 | 171 | * |
| Anna Bridge |
169:a7c7b631e539 | 172 | * @retval uint32_t Value of the Watchdog Timer Flags. |
| Anna Bridge |
169:a7c7b631e539 | 173 | * |
| Anna Bridge |
169:a7c7b631e539 | 174 | */ |
| Anna Bridge |
169:a7c7b631e539 | 175 | __STATIC_INLINE uint32_t WDT_GetFlags(mxc_wdt_regs_t *wdt) |
| Anna Bridge |
169:a7c7b631e539 | 176 | { |
| Anna Bridge |
169:a7c7b631e539 | 177 | return (wdt->flags); |
| Anna Bridge |
169:a7c7b631e539 | 178 | } |
| Anna Bridge |
169:a7c7b631e539 | 179 | |
| Anna Bridge |
169:a7c7b631e539 | 180 | /** |
| Anna Bridge |
169:a7c7b631e539 | 181 | * @brief Clears the watchdog interrupt flags based on the mask |
| Anna Bridge |
169:a7c7b631e539 | 182 | * |
| Anna Bridge |
169:a7c7b631e539 | 183 | * @param wdt Pointer to the Watchdog Timer Instance |
| Anna Bridge |
169:a7c7b631e539 | 184 | * @param mask Watchdog Flags to clear |
| Anna Bridge |
169:a7c7b631e539 | 185 | * |
| Anna Bridge |
169:a7c7b631e539 | 186 | */ |
| Anna Bridge |
169:a7c7b631e539 | 187 | __STATIC_INLINE void WDT_ClearFlags(mxc_wdt_regs_t *wdt, uint32_t mask) |
| Anna Bridge |
169:a7c7b631e539 | 188 | { |
| Anna Bridge |
169:a7c7b631e539 | 189 | wdt->flags = mask; |
| Anna Bridge |
169:a7c7b631e539 | 190 | } |
| Anna Bridge |
169:a7c7b631e539 | 191 | |
| Anna Bridge |
169:a7c7b631e539 | 192 | /** |
| Anna Bridge |
169:a7c7b631e539 | 193 | * @brief Starts the specified Watchdog Timer instance. |
| Anna Bridge |
169:a7c7b631e539 | 194 | * |
| Anna Bridge |
169:a7c7b631e539 | 195 | * @param wdt Pointer to the Watchdog Timer instance |
| Anna Bridge |
169:a7c7b631e539 | 196 | * @param unlock_key Key to unlock watchdog. |
| Anna Bridge |
169:a7c7b631e539 | 197 | * |
| Anna Bridge |
169:a7c7b631e539 | 198 | * @retval E_NO_ERROR Interrupt enabled. |
| Anna Bridge |
169:a7c7b631e539 | 199 | * @retval E_BAD_STATE WDT2 Already Running |
| Anna Bridge |
169:a7c7b631e539 | 200 | * @retval E_BAD_STATE Invalid unlock_key, WDT failed to unlock. |
| Anna Bridge |
169:a7c7b631e539 | 201 | * |
| Anna Bridge |
169:a7c7b631e539 | 202 | */ |
| Anna Bridge |
169:a7c7b631e539 | 203 | int WDT_Start(mxc_wdt_regs_t *wdt, uint8_t unlock_key); |
| Anna Bridge |
169:a7c7b631e539 | 204 | |
| Anna Bridge |
169:a7c7b631e539 | 205 | /** |
| Anna Bridge |
169:a7c7b631e539 | 206 | * @brief Feeds the watchdog specified. |
| Anna Bridge |
169:a7c7b631e539 | 207 | * |
| Anna Bridge |
169:a7c7b631e539 | 208 | * @param wdt Watchdog module to operate on |
| Anna Bridge |
169:a7c7b631e539 | 209 | * |
| Anna Bridge |
169:a7c7b631e539 | 210 | */ |
| Anna Bridge |
169:a7c7b631e539 | 211 | void WDT_Reset(mxc_wdt_regs_t *wdt); |
| Anna Bridge |
169:a7c7b631e539 | 212 | |
| Anna Bridge |
169:a7c7b631e539 | 213 | /** |
| Anna Bridge |
169:a7c7b631e539 | 214 | * @brief Stops the watchdog specified. |
| Anna Bridge |
169:a7c7b631e539 | 215 | * |
| Anna Bridge |
169:a7c7b631e539 | 216 | * @param wdt Pointer to the Watchdog Timer Instance |
| Anna Bridge |
169:a7c7b631e539 | 217 | * @param unlock_key Key to unlock watchdog. |
| Anna Bridge |
169:a7c7b631e539 | 218 | * |
| Anna Bridge |
169:a7c7b631e539 | 219 | * @retval E_NO_ERROR Interrupt enabled. |
| Anna Bridge |
169:a7c7b631e539 | 220 | * @retval E_BAD_STATE Invalid unlock_key, WDT failed to unlock. |
| Anna Bridge |
169:a7c7b631e539 | 221 | */ |
| Anna Bridge |
169:a7c7b631e539 | 222 | int WDT_Stop(mxc_wdt_regs_t *wdt, uint8_t unlock_key); |
| Anna Bridge |
169:a7c7b631e539 | 223 | |
| Anna Bridge |
169:a7c7b631e539 | 224 | /** |
| Anna Bridge |
169:a7c7b631e539 | 225 | * @brief Determines if the watchdog is running |
| Anna Bridge |
169:a7c7b631e539 | 226 | * |
| Anna Bridge |
169:a7c7b631e539 | 227 | * @param wdt Pointer to the Watchdog Timer Instance |
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169:a7c7b631e539 | 228 | * |
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169:a7c7b631e539 | 229 | * @retval 0 Watchdog timer is Disabled. |
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169:a7c7b631e539 | 230 | * @retval non-zero Watchdog timer is Active |
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169:a7c7b631e539 | 231 | */ |
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169:a7c7b631e539 | 232 | __STATIC_INLINE int WDT_IsActive(mxc_wdt_regs_t *wdt) |
| Anna Bridge |
169:a7c7b631e539 | 233 | { |
| Anna Bridge |
169:a7c7b631e539 | 234 | return (!!(wdt->ctrl & MXC_F_WDT_CTRL_EN_TIMER)); |
| Anna Bridge |
169:a7c7b631e539 | 235 | } |
| Anna Bridge |
169:a7c7b631e539 | 236 | |
| Anna Bridge |
169:a7c7b631e539 | 237 | /** |
| Anna Bridge |
169:a7c7b631e539 | 238 | * @} |
| Anna Bridge |
169:a7c7b631e539 | 239 | */ |
| Anna Bridge |
169:a7c7b631e539 | 240 | |
| Anna Bridge |
169:a7c7b631e539 | 241 | #ifdef __cplusplus |
| Anna Bridge |
169:a7c7b631e539 | 242 | } |
| Anna Bridge |
169:a7c7b631e539 | 243 | #endif |
| Anna Bridge |
169:a7c7b631e539 | 244 | |
| Anna Bridge |
169:a7c7b631e539 | 245 | #endif /* _WDT_H */ |
