4 * Copyright (c) 2013 Atmel Corporation. All rights reserved.
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10 * Redistribution and use in source and binary forms, with or without
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11 * modification, are permitted provided that the following conditions are met:
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13 * 1. Redistributions of source code must retain the above copyright notice,
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14 * this list of conditions and the following disclaimer.
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16 * 2. Redistributions in binary form must reproduce the above copyright notice,
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17 * this list of conditions and the following disclaimer in the documentation
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18 * and/or other materials provided with the distribution.
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20 * 3. The name of Atmel may not be used to endorse or promote products derived
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21 * from this software without specific prior written permission.
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23 * 4. This software may only be redistributed and used in connection with an
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24 * Atmel microcontroller product.
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26 * THIS SOFTWARE IS PROVIDED BY ATMEL "AS IS" AND ANY EXPRESS OR IMPLIED
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27 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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28 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT ARE
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29 * EXPRESSLY AND SPECIFICALLY DISCLAIMED. IN NO EVENT SHALL ATMEL BE LIABLE FOR
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30 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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31 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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32 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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33 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
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34 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
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35 * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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36 * POSSIBILITY OF SUCH DAMAGE.
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42 #ifndef _SAM4E_RSWDT_COMPONENT_
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43 #define _SAM4E_RSWDT_COMPONENT_
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45 /* ============================================================================= */
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46 /** SOFTWARE API DEFINITION FOR Reinforced Safety Watchdog Timer */
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47 /* ============================================================================= */
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48 /** \addtogroup SAM4E_RSWDT Reinforced Safety Watchdog Timer */
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51 #if !(defined(__ASSEMBLY__) || defined(__IAR_SYSTEMS_ASM__))
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52 /** \brief Rswdt hardware registers */
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54 WoReg RSWDT_CR; /**< \brief (Rswdt Offset: 0x00) Control Register */
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55 RwReg RSWDT_MR; /**< \brief (Rswdt Offset: 0x04) Mode Register */
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56 RoReg RSWDT_SR; /**< \brief (Rswdt Offset: 0x08) Status Register */
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58 #endif /* !(defined(__ASSEMBLY__) || defined(__IAR_SYSTEMS_ASM__)) */
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59 /* -------- RSWDT_CR : (RSWDT Offset: 0x00) Control Register -------- */
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60 #define RSWDT_CR_WDRSTT (0x1u << 0) /**< \brief (RSWDT_CR) Watchdog Restart */
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61 #define RSWDT_CR_KEY_Pos 24
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62 #define RSWDT_CR_KEY_Msk (0xffu << RSWDT_CR_KEY_Pos) /**< \brief (RSWDT_CR) Password */
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63 #define RSWDT_CR_KEY(value) ((RSWDT_CR_KEY_Msk & ((value) << RSWDT_CR_KEY_Pos)))
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64 /* -------- RSWDT_MR : (RSWDT Offset: 0x04) Mode Register -------- */
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65 #define RSWDT_MR_WDV_Pos 0
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66 #define RSWDT_MR_WDV_Msk (0xfffu << RSWDT_MR_WDV_Pos) /**< \brief (RSWDT_MR) Watchdog Counter Value */
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67 #define RSWDT_MR_WDV(value) ((RSWDT_MR_WDV_Msk & ((value) << RSWDT_MR_WDV_Pos)))
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68 #define RSWDT_MR_WDFIEN (0x1u << 12) /**< \brief (RSWDT_MR) Watchdog Fault Interrupt Enable */
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69 #define RSWDT_MR_WDRSTEN (0x1u << 13) /**< \brief (RSWDT_MR) Watchdog Reset Enable */
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70 #define RSWDT_MR_WDRPROC (0x1u << 14) /**< \brief (RSWDT_MR) Watchdog Reset Processor */
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71 #define RSWDT_MR_WDDIS (0x1u << 15) /**< \brief (RSWDT_MR) Watchdog Disable */
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72 #define RSWDT_MR_WDD_Pos 16
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73 #define RSWDT_MR_WDD_Msk (0xfffu << RSWDT_MR_WDD_Pos) /**< \brief (RSWDT_MR) Watchdog Delta Value */
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74 #define RSWDT_MR_WDD(value) ((RSWDT_MR_WDD_Msk & ((value) << RSWDT_MR_WDD_Pos)))
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75 #define RSWDT_MR_WDDBGHLT (0x1u << 28) /**< \brief (RSWDT_MR) Watchdog Debug Halt */
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76 #define RSWDT_MR_WDIDLEHLT (0x1u << 29) /**< \brief (RSWDT_MR) Watchdog Idle Halt */
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77 /* -------- RSWDT_SR : (RSWDT Offset: 0x08) Status Register -------- */
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78 #define RSWDT_SR_WDUNF (0x1u << 0) /**< \brief (RSWDT_SR) Watchdog Underflow */
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79 #define RSWDT_SR_WDERR (0x1u << 1) /**< \brief (RSWDT_SR) Watchdog Error */
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84 #endif /* _SAM4E_RSWDT_COMPONENT_ */
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