1 /** 2 * \file 3 * 4 * \brief Component description for WDT 5 * 6 * Copyright (c) 2018 Microchip Technology Inc. 7 * 8 * \asf_license_start 9 * 10 * \page License 11 * 12 * SPDX-License-Identifier: Apache-2.0 13 * 14 * Licensed under the Apache License, Version 2.0 (the "License"); you may 15 * not use this file except in compliance with the License. 16 * You may obtain a copy of the Licence at 17 * 18 * http://www.apache.org/licenses/LICENSE-2.0 19 * 20 * Unless required by applicable law or agreed to in writing, software 21 * distributed under the License is distributed on an AS IS BASIS, WITHOUT 22 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 23 * See the License for the specific language governing permissions and 24 * limitations under the License. 25 * 26 * \asf_license_stop 27 * 28 */ 29 30 #ifndef _SAMC20_WDT_COMPONENT_ 31 #define _SAMC20_WDT_COMPONENT_ 32 33 /* ========================================================================== */ 34 /** SOFTWARE API DEFINITION FOR WDT */ 35 /* ========================================================================== */ 36 /** \addtogroup SAMC20_WDT Watchdog Timer */ 37 /*@{*/ 38 39 #define WDT_U2251 40 #define REV_WDT 0x101 41 42 /* -------- WDT_CTRLA : (WDT Offset: 0x0) (R/W 8) Control -------- */ 43 #if !(defined(__ASSEMBLY__) || defined(__IAR_SYSTEMS_ASM__)) 44 typedef union { 45 struct { 46 uint8_t :1; /*!< bit: 0 Reserved */ 47 uint8_t ENABLE:1; /*!< bit: 1 Enable */ 48 uint8_t WEN:1; /*!< bit: 2 Watchdog Timer Window Mode Enable */ 49 uint8_t :4; /*!< bit: 3.. 6 Reserved */ 50 uint8_t ALWAYSON:1; /*!< bit: 7 Always-On */ 51 } bit; /*!< Structure used for bit access */ 52 uint8_t reg; /*!< Type used for register access */ 53 } WDT_CTRLA_Type; 54 #endif /* !(defined(__ASSEMBLY__) || defined(__IAR_SYSTEMS_ASM__)) */ 55 56 #define WDT_CTRLA_OFFSET 0x0 /**< \brief (WDT_CTRLA offset) Control */ 57 #define WDT_CTRLA_RESETVALUE _U_(0x00) /**< \brief (WDT_CTRLA reset_value) Control */ 58 59 #define WDT_CTRLA_ENABLE_Pos 1 /**< \brief (WDT_CTRLA) Enable */ 60 #define WDT_CTRLA_ENABLE (_U_(0x1) << WDT_CTRLA_ENABLE_Pos) 61 #define WDT_CTRLA_WEN_Pos 2 /**< \brief (WDT_CTRLA) Watchdog Timer Window Mode Enable */ 62 #define WDT_CTRLA_WEN (_U_(0x1) << WDT_CTRLA_WEN_Pos) 63 #define WDT_CTRLA_ALWAYSON_Pos 7 /**< \brief (WDT_CTRLA) Always-On */ 64 #define WDT_CTRLA_ALWAYSON (_U_(0x1) << WDT_CTRLA_ALWAYSON_Pos) 65 #define WDT_CTRLA_MASK _U_(0x86) /**< \brief (WDT_CTRLA) MASK Register */ 66 67 /* -------- WDT_CONFIG : (WDT Offset: 0x1) (R/W 8) Configuration -------- */ 68 #if !(defined(__ASSEMBLY__) || defined(__IAR_SYSTEMS_ASM__)) 69 typedef union { 70 struct { 71 uint8_t PER:4; /*!< bit: 0.. 3 Time-Out Period */ 72 uint8_t WINDOW:4; /*!< bit: 4.. 7 Window Mode Time-Out Period */ 73 } bit; /*!< Structure used for bit access */ 74 uint8_t reg; /*!< Type used for register access */ 75 } WDT_CONFIG_Type; 76 #endif /* !(defined(__ASSEMBLY__) || defined(__IAR_SYSTEMS_ASM__)) */ 77 78 #define WDT_CONFIG_OFFSET 0x1 /**< \brief (WDT_CONFIG offset) Configuration */ 79 #define WDT_CONFIG_RESETVALUE _U_(0xBB) /**< \brief (WDT_CONFIG reset_value) Configuration */ 80 81 #define WDT_CONFIG_PER_Pos 0 /**< \brief (WDT_CONFIG) Time-Out Period */ 82 #define WDT_CONFIG_PER_Msk (_U_(0xF) << WDT_CONFIG_PER_Pos) 83 #define WDT_CONFIG_PER(value) (WDT_CONFIG_PER_Msk & ((value) << WDT_CONFIG_PER_Pos)) 84 #define WDT_CONFIG_PER_CYC8_Val _U_(0x0) /**< \brief (WDT_CONFIG) 8 clock cycles */ 85 #define WDT_CONFIG_PER_CYC16_Val _U_(0x1) /**< \brief (WDT_CONFIG) 16 clock cycles */ 86 #define WDT_CONFIG_PER_CYC32_Val _U_(0x2) /**< \brief (WDT_CONFIG) 32 clock cycles */ 87 #define WDT_CONFIG_PER_CYC64_Val _U_(0x3) /**< \brief (WDT_CONFIG) 64 clock cycles */ 88 #define WDT_CONFIG_PER_CYC128_Val _U_(0x4) /**< \brief (WDT_CONFIG) 128 clock cycles */ 89 #define WDT_CONFIG_PER_CYC256_Val _U_(0x5) /**< \brief (WDT_CONFIG) 256 clock cycles */ 90 #define WDT_CONFIG_PER_CYC512_Val _U_(0x6) /**< \brief (WDT_CONFIG) 512 clock cycles */ 91 #define WDT_CONFIG_PER_CYC1024_Val _U_(0x7) /**< \brief (WDT_CONFIG) 1024 clock cycles */ 92 #define WDT_CONFIG_PER_CYC2048_Val _U_(0x8) /**< \brief (WDT_CONFIG) 2048 clock cycles */ 93 #define WDT_CONFIG_PER_CYC4096_Val _U_(0x9) /**< \brief (WDT_CONFIG) 4096 clock cycles */ 94 #define WDT_CONFIG_PER_CYC8192_Val _U_(0xA) /**< \brief (WDT_CONFIG) 8192 clock cycles */ 95 #define WDT_CONFIG_PER_CYC16384_Val _U_(0xB) /**< \brief (WDT_CONFIG) 16384 clock cycles */ 96 #define WDT_CONFIG_PER_CYC8 (WDT_CONFIG_PER_CYC8_Val << WDT_CONFIG_PER_Pos) 97 #define WDT_CONFIG_PER_CYC16 (WDT_CONFIG_PER_CYC16_Val << WDT_CONFIG_PER_Pos) 98 #define WDT_CONFIG_PER_CYC32 (WDT_CONFIG_PER_CYC32_Val << WDT_CONFIG_PER_Pos) 99 #define WDT_CONFIG_PER_CYC64 (WDT_CONFIG_PER_CYC64_Val << WDT_CONFIG_PER_Pos) 100 #define WDT_CONFIG_PER_CYC128 (WDT_CONFIG_PER_CYC128_Val << WDT_CONFIG_PER_Pos) 101 #define WDT_CONFIG_PER_CYC256 (WDT_CONFIG_PER_CYC256_Val << WDT_CONFIG_PER_Pos) 102 #define WDT_CONFIG_PER_CYC512 (WDT_CONFIG_PER_CYC512_Val << WDT_CONFIG_PER_Pos) 103 #define WDT_CONFIG_PER_CYC1024 (WDT_CONFIG_PER_CYC1024_Val << WDT_CONFIG_PER_Pos) 104 #define WDT_CONFIG_PER_CYC2048 (WDT_CONFIG_PER_CYC2048_Val << WDT_CONFIG_PER_Pos) 105 #define WDT_CONFIG_PER_CYC4096 (WDT_CONFIG_PER_CYC4096_Val << WDT_CONFIG_PER_Pos) 106 #define WDT_CONFIG_PER_CYC8192 (WDT_CONFIG_PER_CYC8192_Val << WDT_CONFIG_PER_Pos) 107 #define WDT_CONFIG_PER_CYC16384 (WDT_CONFIG_PER_CYC16384_Val << WDT_CONFIG_PER_Pos) 108 #define WDT_CONFIG_WINDOW_Pos 4 /**< \brief (WDT_CONFIG) Window Mode Time-Out Period */ 109 #define WDT_CONFIG_WINDOW_Msk (_U_(0xF) << WDT_CONFIG_WINDOW_Pos) 110 #define WDT_CONFIG_WINDOW(value) (WDT_CONFIG_WINDOW_Msk & ((value) << WDT_CONFIG_WINDOW_Pos)) 111 #define WDT_CONFIG_WINDOW_CYC8_Val _U_(0x0) /**< \brief (WDT_CONFIG) 8 clock cycles */ 112 #define WDT_CONFIG_WINDOW_CYC16_Val _U_(0x1) /**< \brief (WDT_CONFIG) 16 clock cycles */ 113 #define WDT_CONFIG_WINDOW_CYC32_Val _U_(0x2) /**< \brief (WDT_CONFIG) 32 clock cycles */ 114 #define WDT_CONFIG_WINDOW_CYC64_Val _U_(0x3) /**< \brief (WDT_CONFIG) 64 clock cycles */ 115 #define WDT_CONFIG_WINDOW_CYC128_Val _U_(0x4) /**< \brief (WDT_CONFIG) 128 clock cycles */ 116 #define WDT_CONFIG_WINDOW_CYC256_Val _U_(0x5) /**< \brief (WDT_CONFIG) 256 clock cycles */ 117 #define WDT_CONFIG_WINDOW_CYC512_Val _U_(0x6) /**< \brief (WDT_CONFIG) 512 clock cycles */ 118 #define WDT_CONFIG_WINDOW_CYC1024_Val _U_(0x7) /**< \brief (WDT_CONFIG) 1024 clock cycles */ 119 #define WDT_CONFIG_WINDOW_CYC2048_Val _U_(0x8) /**< \brief (WDT_CONFIG) 2048 clock cycles */ 120 #define WDT_CONFIG_WINDOW_CYC4096_Val _U_(0x9) /**< \brief (WDT_CONFIG) 4096 clock cycles */ 121 #define WDT_CONFIG_WINDOW_CYC8192_Val _U_(0xA) /**< \brief (WDT_CONFIG) 8192 clock cycles */ 122 #define WDT_CONFIG_WINDOW_CYC16384_Val _U_(0xB) /**< \brief (WDT_CONFIG) 16384 clock cycles */ 123 #define WDT_CONFIG_WINDOW_CYC8 (WDT_CONFIG_WINDOW_CYC8_Val << WDT_CONFIG_WINDOW_Pos) 124 #define WDT_CONFIG_WINDOW_CYC16 (WDT_CONFIG_WINDOW_CYC16_Val << WDT_CONFIG_WINDOW_Pos) 125 #define WDT_CONFIG_WINDOW_CYC32 (WDT_CONFIG_WINDOW_CYC32_Val << WDT_CONFIG_WINDOW_Pos) 126 #define WDT_CONFIG_WINDOW_CYC64 (WDT_CONFIG_WINDOW_CYC64_Val << WDT_CONFIG_WINDOW_Pos) 127 #define WDT_CONFIG_WINDOW_CYC128 (WDT_CONFIG_WINDOW_CYC128_Val << WDT_CONFIG_WINDOW_Pos) 128 #define WDT_CONFIG_WINDOW_CYC256 (WDT_CONFIG_WINDOW_CYC256_Val << WDT_CONFIG_WINDOW_Pos) 129 #define WDT_CONFIG_WINDOW_CYC512 (WDT_CONFIG_WINDOW_CYC512_Val << WDT_CONFIG_WINDOW_Pos) 130 #define WDT_CONFIG_WINDOW_CYC1024 (WDT_CONFIG_WINDOW_CYC1024_Val << WDT_CONFIG_WINDOW_Pos) 131 #define WDT_CONFIG_WINDOW_CYC2048 (WDT_CONFIG_WINDOW_CYC2048_Val << WDT_CONFIG_WINDOW_Pos) 132 #define WDT_CONFIG_WINDOW_CYC4096 (WDT_CONFIG_WINDOW_CYC4096_Val << WDT_CONFIG_WINDOW_Pos) 133 #define WDT_CONFIG_WINDOW_CYC8192 (WDT_CONFIG_WINDOW_CYC8192_Val << WDT_CONFIG_WINDOW_Pos) 134 #define WDT_CONFIG_WINDOW_CYC16384 (WDT_CONFIG_WINDOW_CYC16384_Val << WDT_CONFIG_WINDOW_Pos) 135 #define WDT_CONFIG_MASK _U_(0xFF) /**< \brief (WDT_CONFIG) MASK Register */ 136 137 /* -------- WDT_EWCTRL : (WDT Offset: 0x2) (R/W 8) Early Warning Interrupt Control -------- */ 138 #if !(defined(__ASSEMBLY__) || defined(__IAR_SYSTEMS_ASM__)) 139 typedef union { 140 struct { 141 uint8_t EWOFFSET:4; /*!< bit: 0.. 3 Early Warning Interrupt Time Offset */ 142 uint8_t :4; /*!< bit: 4.. 7 Reserved */ 143 } bit; /*!< Structure used for bit access */ 144 uint8_t reg; /*!< Type used for register access */ 145 } WDT_EWCTRL_Type; 146 #endif /* !(defined(__ASSEMBLY__) || defined(__IAR_SYSTEMS_ASM__)) */ 147 148 #define WDT_EWCTRL_OFFSET 0x2 /**< \brief (WDT_EWCTRL offset) Early Warning Interrupt Control */ 149 #define WDT_EWCTRL_RESETVALUE _U_(0x0B) /**< \brief (WDT_EWCTRL reset_value) Early Warning Interrupt Control */ 150 151 #define WDT_EWCTRL_EWOFFSET_Pos 0 /**< \brief (WDT_EWCTRL) Early Warning Interrupt Time Offset */ 152 #define WDT_EWCTRL_EWOFFSET_Msk (_U_(0xF) << WDT_EWCTRL_EWOFFSET_Pos) 153 #define WDT_EWCTRL_EWOFFSET(value) (WDT_EWCTRL_EWOFFSET_Msk & ((value) << WDT_EWCTRL_EWOFFSET_Pos)) 154 #define WDT_EWCTRL_EWOFFSET_CYC8_Val _U_(0x0) /**< \brief (WDT_EWCTRL) 8 clock cycles */ 155 #define WDT_EWCTRL_EWOFFSET_CYC16_Val _U_(0x1) /**< \brief (WDT_EWCTRL) 16 clock cycles */ 156 #define WDT_EWCTRL_EWOFFSET_CYC32_Val _U_(0x2) /**< \brief (WDT_EWCTRL) 32 clock cycles */ 157 #define WDT_EWCTRL_EWOFFSET_CYC64_Val _U_(0x3) /**< \brief (WDT_EWCTRL) 64 clock cycles */ 158 #define WDT_EWCTRL_EWOFFSET_CYC128_Val _U_(0x4) /**< \brief (WDT_EWCTRL) 128 clock cycles */ 159 #define WDT_EWCTRL_EWOFFSET_CYC256_Val _U_(0x5) /**< \brief (WDT_EWCTRL) 256 clock cycles */ 160 #define WDT_EWCTRL_EWOFFSET_CYC512_Val _U_(0x6) /**< \brief (WDT_EWCTRL) 512 clock cycles */ 161 #define WDT_EWCTRL_EWOFFSET_CYC1024_Val _U_(0x7) /**< \brief (WDT_EWCTRL) 1024 clock cycles */ 162 #define WDT_EWCTRL_EWOFFSET_CYC2048_Val _U_(0x8) /**< \brief (WDT_EWCTRL) 2048 clock cycles */ 163 #define WDT_EWCTRL_EWOFFSET_CYC4096_Val _U_(0x9) /**< \brief (WDT_EWCTRL) 4096 clock cycles */ 164 #define WDT_EWCTRL_EWOFFSET_CYC8192_Val _U_(0xA) /**< \brief (WDT_EWCTRL) 8192 clock cycles */ 165 #define WDT_EWCTRL_EWOFFSET_CYC16384_Val _U_(0xB) /**< \brief (WDT_EWCTRL) 16384 clock cycles */ 166 #define WDT_EWCTRL_EWOFFSET_CYC8 (WDT_EWCTRL_EWOFFSET_CYC8_Val << WDT_EWCTRL_EWOFFSET_Pos) 167 #define WDT_EWCTRL_EWOFFSET_CYC16 (WDT_EWCTRL_EWOFFSET_CYC16_Val << WDT_EWCTRL_EWOFFSET_Pos) 168 #define WDT_EWCTRL_EWOFFSET_CYC32 (WDT_EWCTRL_EWOFFSET_CYC32_Val << WDT_EWCTRL_EWOFFSET_Pos) 169 #define WDT_EWCTRL_EWOFFSET_CYC64 (WDT_EWCTRL_EWOFFSET_CYC64_Val << WDT_EWCTRL_EWOFFSET_Pos) 170 #define WDT_EWCTRL_EWOFFSET_CYC128 (WDT_EWCTRL_EWOFFSET_CYC128_Val << WDT_EWCTRL_EWOFFSET_Pos) 171 #define WDT_EWCTRL_EWOFFSET_CYC256 (WDT_EWCTRL_EWOFFSET_CYC256_Val << WDT_EWCTRL_EWOFFSET_Pos) 172 #define WDT_EWCTRL_EWOFFSET_CYC512 (WDT_EWCTRL_EWOFFSET_CYC512_Val << WDT_EWCTRL_EWOFFSET_Pos) 173 #define WDT_EWCTRL_EWOFFSET_CYC1024 (WDT_EWCTRL_EWOFFSET_CYC1024_Val << WDT_EWCTRL_EWOFFSET_Pos) 174 #define WDT_EWCTRL_EWOFFSET_CYC2048 (WDT_EWCTRL_EWOFFSET_CYC2048_Val << WDT_EWCTRL_EWOFFSET_Pos) 175 #define WDT_EWCTRL_EWOFFSET_CYC4096 (WDT_EWCTRL_EWOFFSET_CYC4096_Val << WDT_EWCTRL_EWOFFSET_Pos) 176 #define WDT_EWCTRL_EWOFFSET_CYC8192 (WDT_EWCTRL_EWOFFSET_CYC8192_Val << WDT_EWCTRL_EWOFFSET_Pos) 177 #define WDT_EWCTRL_EWOFFSET_CYC16384 (WDT_EWCTRL_EWOFFSET_CYC16384_Val << WDT_EWCTRL_EWOFFSET_Pos) 178 #define WDT_EWCTRL_MASK _U_(0x0F) /**< \brief (WDT_EWCTRL) MASK Register */ 179 180 /* -------- WDT_INTENCLR : (WDT Offset: 0x4) (R/W 8) Interrupt Enable Clear -------- */ 181 #if !(defined(__ASSEMBLY__) || defined(__IAR_SYSTEMS_ASM__)) 182 typedef union { 183 struct { 184 uint8_t EW:1; /*!< bit: 0 Early Warning Interrupt Enable */ 185 uint8_t :7; /*!< bit: 1.. 7 Reserved */ 186 } bit; /*!< Structure used for bit access */ 187 uint8_t reg; /*!< Type used for register access */ 188 } WDT_INTENCLR_Type; 189 #endif /* !(defined(__ASSEMBLY__) || defined(__IAR_SYSTEMS_ASM__)) */ 190 191 #define WDT_INTENCLR_OFFSET 0x4 /**< \brief (WDT_INTENCLR offset) Interrupt Enable Clear */ 192 #define WDT_INTENCLR_RESETVALUE _U_(0x00) /**< \brief (WDT_INTENCLR reset_value) Interrupt Enable Clear */ 193 194 #define WDT_INTENCLR_EW_Pos 0 /**< \brief (WDT_INTENCLR) Early Warning Interrupt Enable */ 195 #define WDT_INTENCLR_EW (_U_(0x1) << WDT_INTENCLR_EW_Pos) 196 #define WDT_INTENCLR_MASK _U_(0x01) /**< \brief (WDT_INTENCLR) MASK Register */ 197 198 /* -------- WDT_INTENSET : (WDT Offset: 0x5) (R/W 8) Interrupt Enable Set -------- */ 199 #if !(defined(__ASSEMBLY__) || defined(__IAR_SYSTEMS_ASM__)) 200 typedef union { 201 struct { 202 uint8_t EW:1; /*!< bit: 0 Early Warning Interrupt Enable */ 203 uint8_t :7; /*!< bit: 1.. 7 Reserved */ 204 } bit; /*!< Structure used for bit access */ 205 uint8_t reg; /*!< Type used for register access */ 206 } WDT_INTENSET_Type; 207 #endif /* !(defined(__ASSEMBLY__) || defined(__IAR_SYSTEMS_ASM__)) */ 208 209 #define WDT_INTENSET_OFFSET 0x5 /**< \brief (WDT_INTENSET offset) Interrupt Enable Set */ 210 #define WDT_INTENSET_RESETVALUE _U_(0x00) /**< \brief (WDT_INTENSET reset_value) Interrupt Enable Set */ 211 212 #define WDT_INTENSET_EW_Pos 0 /**< \brief (WDT_INTENSET) Early Warning Interrupt Enable */ 213 #define WDT_INTENSET_EW (_U_(0x1) << WDT_INTENSET_EW_Pos) 214 #define WDT_INTENSET_MASK _U_(0x01) /**< \brief (WDT_INTENSET) MASK Register */ 215 216 /* -------- WDT_INTFLAG : (WDT Offset: 0x6) (R/W 8) Interrupt Flag Status and Clear -------- */ 217 #if !(defined(__ASSEMBLY__) || defined(__IAR_SYSTEMS_ASM__)) 218 typedef union { // __I to avoid read-modify-write on write-to-clear register 219 struct { 220 __I uint8_t EW:1; /*!< bit: 0 Early Warning */ 221 __I uint8_t :7; /*!< bit: 1.. 7 Reserved */ 222 } bit; /*!< Structure used for bit access */ 223 uint8_t reg; /*!< Type used for register access */ 224 } WDT_INTFLAG_Type; 225 #endif /* !(defined(__ASSEMBLY__) || defined(__IAR_SYSTEMS_ASM__)) */ 226 227 #define WDT_INTFLAG_OFFSET 0x6 /**< \brief (WDT_INTFLAG offset) Interrupt Flag Status and Clear */ 228 #define WDT_INTFLAG_RESETVALUE _U_(0x00) /**< \brief (WDT_INTFLAG reset_value) Interrupt Flag Status and Clear */ 229 230 #define WDT_INTFLAG_EW_Pos 0 /**< \brief (WDT_INTFLAG) Early Warning */ 231 #define WDT_INTFLAG_EW (_U_(0x1) << WDT_INTFLAG_EW_Pos) 232 #define WDT_INTFLAG_MASK _U_(0x01) /**< \brief (WDT_INTFLAG) MASK Register */ 233 234 /* -------- WDT_SYNCBUSY : (WDT Offset: 0x8) (R/ 32) Synchronization Busy -------- */ 235 #if !(defined(__ASSEMBLY__) || defined(__IAR_SYSTEMS_ASM__)) 236 typedef union { 237 struct { 238 uint32_t :1; /*!< bit: 0 Reserved */ 239 uint32_t ENABLE:1; /*!< bit: 1 Enable Busy */ 240 uint32_t WEN:1; /*!< bit: 2 Window Enable Busy */ 241 uint32_t ALWAYSON:1; /*!< bit: 3 Always-On Busy */ 242 uint32_t CLEAR:1; /*!< bit: 4 Clear Busy */ 243 uint32_t :27; /*!< bit: 5..31 Reserved */ 244 } bit; /*!< Structure used for bit access */ 245 uint32_t reg; /*!< Type used for register access */ 246 } WDT_SYNCBUSY_Type; 247 #endif /* !(defined(__ASSEMBLY__) || defined(__IAR_SYSTEMS_ASM__)) */ 248 249 #define WDT_SYNCBUSY_OFFSET 0x8 /**< \brief (WDT_SYNCBUSY offset) Synchronization Busy */ 250 #define WDT_SYNCBUSY_RESETVALUE _U_(0x00000000) /**< \brief (WDT_SYNCBUSY reset_value) Synchronization Busy */ 251 252 #define WDT_SYNCBUSY_ENABLE_Pos 1 /**< \brief (WDT_SYNCBUSY) Enable Busy */ 253 #define WDT_SYNCBUSY_ENABLE (_U_(0x1) << WDT_SYNCBUSY_ENABLE_Pos) 254 #define WDT_SYNCBUSY_WEN_Pos 2 /**< \brief (WDT_SYNCBUSY) Window Enable Busy */ 255 #define WDT_SYNCBUSY_WEN (_U_(0x1) << WDT_SYNCBUSY_WEN_Pos) 256 #define WDT_SYNCBUSY_ALWAYSON_Pos 3 /**< \brief (WDT_SYNCBUSY) Always-On Busy */ 257 #define WDT_SYNCBUSY_ALWAYSON (_U_(0x1) << WDT_SYNCBUSY_ALWAYSON_Pos) 258 #define WDT_SYNCBUSY_CLEAR_Pos 4 /**< \brief (WDT_SYNCBUSY) Clear Busy */ 259 #define WDT_SYNCBUSY_CLEAR (_U_(0x1) << WDT_SYNCBUSY_CLEAR_Pos) 260 #define WDT_SYNCBUSY_MASK _U_(0x0000001E) /**< \brief (WDT_SYNCBUSY) MASK Register */ 261 262 /* -------- WDT_CLEAR : (WDT Offset: 0xC) ( /W 8) Clear -------- */ 263 #if !(defined(__ASSEMBLY__) || defined(__IAR_SYSTEMS_ASM__)) 264 typedef union { 265 struct { 266 uint8_t CLEAR:8; /*!< bit: 0.. 7 Watchdog Clear */ 267 } bit; /*!< Structure used for bit access */ 268 uint8_t reg; /*!< Type used for register access */ 269 } WDT_CLEAR_Type; 270 #endif /* !(defined(__ASSEMBLY__) || defined(__IAR_SYSTEMS_ASM__)) */ 271 272 #define WDT_CLEAR_OFFSET 0xC /**< \brief (WDT_CLEAR offset) Clear */ 273 #define WDT_CLEAR_RESETVALUE _U_(0x00) /**< \brief (WDT_CLEAR reset_value) Clear */ 274 275 #define WDT_CLEAR_CLEAR_Pos 0 /**< \brief (WDT_CLEAR) Watchdog Clear */ 276 #define WDT_CLEAR_CLEAR_Msk (_U_(0xFF) << WDT_CLEAR_CLEAR_Pos) 277 #define WDT_CLEAR_CLEAR(value) (WDT_CLEAR_CLEAR_Msk & ((value) << WDT_CLEAR_CLEAR_Pos)) 278 #define WDT_CLEAR_CLEAR_KEY_Val _U_(0xA5) /**< \brief (WDT_CLEAR) Clear Key */ 279 #define WDT_CLEAR_CLEAR_KEY (WDT_CLEAR_CLEAR_KEY_Val << WDT_CLEAR_CLEAR_Pos) 280 #define WDT_CLEAR_MASK _U_(0xFF) /**< \brief (WDT_CLEAR) MASK Register */ 281 282 /** \brief WDT hardware registers */ 283 #if !(defined(__ASSEMBLY__) || defined(__IAR_SYSTEMS_ASM__)) 284 typedef struct { 285 __IO WDT_CTRLA_Type CTRLA; /**< \brief Offset: 0x0 (R/W 8) Control */ 286 __IO WDT_CONFIG_Type CONFIG; /**< \brief Offset: 0x1 (R/W 8) Configuration */ 287 __IO WDT_EWCTRL_Type EWCTRL; /**< \brief Offset: 0x2 (R/W 8) Early Warning Interrupt Control */ 288 RoReg8 Reserved1[0x1]; 289 __IO WDT_INTENCLR_Type INTENCLR; /**< \brief Offset: 0x4 (R/W 8) Interrupt Enable Clear */ 290 __IO WDT_INTENSET_Type INTENSET; /**< \brief Offset: 0x5 (R/W 8) Interrupt Enable Set */ 291 __IO WDT_INTFLAG_Type INTFLAG; /**< \brief Offset: 0x6 (R/W 8) Interrupt Flag Status and Clear */ 292 RoReg8 Reserved2[0x1]; 293 __I WDT_SYNCBUSY_Type SYNCBUSY; /**< \brief Offset: 0x8 (R/ 32) Synchronization Busy */ 294 __O WDT_CLEAR_Type CLEAR; /**< \brief Offset: 0xC ( /W 8) Clear */ 295 } Wdt; 296 #endif /* !(defined(__ASSEMBLY__) || defined(__IAR_SYSTEMS_ASM__)) */ 297 298 /*@}*/ 299 300 #endif /* _SAMC20_WDT_COMPONENT_ */ 301
