mbed library sources. Supersedes mbed-src.
Fork of mbed-dev by
targets/hal/TARGET_Atmel/TARGET_SAM_CortexM0P/drivers/system/reset/TARGET_SAMD21/reset.h@18:da299f395b9e, 2015-11-09 (annotated)
- Committer:
- mbed_official
- Date:
- Mon Nov 09 13:30:11 2015 +0000
- Revision:
- 18:da299f395b9e
- Parent:
- targets/hal/TARGET_Atmel/TARGET_SAM_CortexM0P/drivers/system/reset/reset_sam_d_r/reset.h@15:a81a8d6c1dfe
Synchronized with git revision f605825f66bb2e462ff7dbc5fb4ed2dbe979d1c3
Full URL: https://github.com/mbedmicro/mbed/commit/f605825f66bb2e462ff7dbc5fb4ed2dbe979d1c3/
Added support for SAML21
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
mbed_official | 15:a81a8d6c1dfe | 1 | /** |
mbed_official | 15:a81a8d6c1dfe | 2 | * \file |
mbed_official | 15:a81a8d6c1dfe | 3 | * |
mbed_official | 15:a81a8d6c1dfe | 4 | * \brief SAM Reset related functionality |
mbed_official | 15:a81a8d6c1dfe | 5 | * |
mbed_official | 15:a81a8d6c1dfe | 6 | * Copyright (C) 2014-2015 Atmel Corporation. All rights reserved. |
mbed_official | 15:a81a8d6c1dfe | 7 | * |
mbed_official | 15:a81a8d6c1dfe | 8 | * \asf_license_start |
mbed_official | 15:a81a8d6c1dfe | 9 | * |
mbed_official | 15:a81a8d6c1dfe | 10 | * \page License |
mbed_official | 15:a81a8d6c1dfe | 11 | * |
mbed_official | 15:a81a8d6c1dfe | 12 | * Redistribution and use in source and binary forms, with or without |
mbed_official | 15:a81a8d6c1dfe | 13 | * modification, are permitted provided that the following conditions are met: |
mbed_official | 15:a81a8d6c1dfe | 14 | * |
mbed_official | 15:a81a8d6c1dfe | 15 | * 1. Redistributions of source code must retain the above copyright notice, |
mbed_official | 15:a81a8d6c1dfe | 16 | * this list of conditions and the following disclaimer. |
mbed_official | 15:a81a8d6c1dfe | 17 | * |
mbed_official | 15:a81a8d6c1dfe | 18 | * 2. Redistributions in binary form must reproduce the above copyright notice, |
mbed_official | 15:a81a8d6c1dfe | 19 | * this list of conditions and the following disclaimer in the documentation |
mbed_official | 15:a81a8d6c1dfe | 20 | * and/or other materials provided with the distribution. |
mbed_official | 15:a81a8d6c1dfe | 21 | * |
mbed_official | 15:a81a8d6c1dfe | 22 | * 3. The name of Atmel may not be used to endorse or promote products derived |
mbed_official | 15:a81a8d6c1dfe | 23 | * from this software without specific prior written permission. |
mbed_official | 15:a81a8d6c1dfe | 24 | * |
mbed_official | 15:a81a8d6c1dfe | 25 | * 4. This software may only be redistributed and used in connection with an |
mbed_official | 15:a81a8d6c1dfe | 26 | * Atmel microcontroller product. |
mbed_official | 15:a81a8d6c1dfe | 27 | * |
mbed_official | 15:a81a8d6c1dfe | 28 | * THIS SOFTWARE IS PROVIDED BY ATMEL "AS IS" AND ANY EXPRESS OR IMPLIED |
mbed_official | 15:a81a8d6c1dfe | 29 | * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF |
mbed_official | 15:a81a8d6c1dfe | 30 | * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT ARE |
mbed_official | 15:a81a8d6c1dfe | 31 | * EXPRESSLY AND SPECIFICALLY DISCLAIMED. IN NO EVENT SHALL ATMEL BE LIABLE FOR |
mbed_official | 15:a81a8d6c1dfe | 32 | * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
mbed_official | 15:a81a8d6c1dfe | 33 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS |
mbed_official | 15:a81a8d6c1dfe | 34 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
mbed_official | 15:a81a8d6c1dfe | 35 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, |
mbed_official | 15:a81a8d6c1dfe | 36 | * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN |
mbed_official | 15:a81a8d6c1dfe | 37 | * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
mbed_official | 15:a81a8d6c1dfe | 38 | * POSSIBILITY OF SUCH DAMAGE. |
mbed_official | 15:a81a8d6c1dfe | 39 | * |
mbed_official | 15:a81a8d6c1dfe | 40 | * \asf_license_stop |
mbed_official | 15:a81a8d6c1dfe | 41 | * |
mbed_official | 15:a81a8d6c1dfe | 42 | */ |
mbed_official | 15:a81a8d6c1dfe | 43 | /* |
mbed_official | 15:a81a8d6c1dfe | 44 | * Support and FAQ: visit <a href="http://www.atmel.com/design-support/">Atmel Support</a> |
mbed_official | 15:a81a8d6c1dfe | 45 | */ |
mbed_official | 15:a81a8d6c1dfe | 46 | #ifndef RESET_H_INCLUDED |
mbed_official | 15:a81a8d6c1dfe | 47 | #define RESET_H_INCLUDED |
mbed_official | 15:a81a8d6c1dfe | 48 | |
mbed_official | 15:a81a8d6c1dfe | 49 | #include <compiler.h> |
mbed_official | 15:a81a8d6c1dfe | 50 | |
mbed_official | 15:a81a8d6c1dfe | 51 | #ifdef __cplusplus |
mbed_official | 15:a81a8d6c1dfe | 52 | extern "C" { |
mbed_official | 15:a81a8d6c1dfe | 53 | #endif |
mbed_official | 15:a81a8d6c1dfe | 54 | |
mbed_official | 15:a81a8d6c1dfe | 55 | /** |
mbed_official | 15:a81a8d6c1dfe | 56 | * \addtogroup asfdoc_sam0_system_group |
mbed_official | 15:a81a8d6c1dfe | 57 | * @{ |
mbed_official | 15:a81a8d6c1dfe | 58 | */ |
mbed_official | 15:a81a8d6c1dfe | 59 | |
mbed_official | 15:a81a8d6c1dfe | 60 | /** |
mbed_official | 15:a81a8d6c1dfe | 61 | * \brief Reset causes of the system. |
mbed_official | 15:a81a8d6c1dfe | 62 | * |
mbed_official | 15:a81a8d6c1dfe | 63 | * List of possible reset causes of the system. |
mbed_official | 15:a81a8d6c1dfe | 64 | */ |
mbed_official | 15:a81a8d6c1dfe | 65 | enum system_reset_cause { |
mbed_official | 15:a81a8d6c1dfe | 66 | /** The system was last reset by a software reset. */ |
mbed_official | 15:a81a8d6c1dfe | 67 | SYSTEM_RESET_CAUSE_SOFTWARE = PM_RCAUSE_SYST, |
mbed_official | 15:a81a8d6c1dfe | 68 | /** The system was last reset by the watchdog timer. */ |
mbed_official | 15:a81a8d6c1dfe | 69 | SYSTEM_RESET_CAUSE_WDT = PM_RCAUSE_WDT, |
mbed_official | 15:a81a8d6c1dfe | 70 | /** The system was last reset because the external reset line was pulled low. */ |
mbed_official | 15:a81a8d6c1dfe | 71 | SYSTEM_RESET_CAUSE_EXTERNAL_RESET = PM_RCAUSE_EXT, |
mbed_official | 15:a81a8d6c1dfe | 72 | /** The system was last reset by the BOD33. */ |
mbed_official | 15:a81a8d6c1dfe | 73 | SYSTEM_RESET_CAUSE_BOD33 = PM_RCAUSE_BOD33, |
mbed_official | 15:a81a8d6c1dfe | 74 | /** The system was last reset by the BOD12. */ |
mbed_official | 15:a81a8d6c1dfe | 75 | SYSTEM_RESET_CAUSE_BOD12 = PM_RCAUSE_BOD12, |
mbed_official | 15:a81a8d6c1dfe | 76 | /** The system was last reset by the POR (Power on reset). */ |
mbed_official | 15:a81a8d6c1dfe | 77 | SYSTEM_RESET_CAUSE_POR = PM_RCAUSE_POR, |
mbed_official | 15:a81a8d6c1dfe | 78 | }; |
mbed_official | 15:a81a8d6c1dfe | 79 | |
mbed_official | 15:a81a8d6c1dfe | 80 | |
mbed_official | 15:a81a8d6c1dfe | 81 | /** |
mbed_official | 15:a81a8d6c1dfe | 82 | * \name Reset Control |
mbed_official | 15:a81a8d6c1dfe | 83 | * @{ |
mbed_official | 15:a81a8d6c1dfe | 84 | */ |
mbed_official | 15:a81a8d6c1dfe | 85 | |
mbed_official | 15:a81a8d6c1dfe | 86 | /** |
mbed_official | 15:a81a8d6c1dfe | 87 | * \brief Reset the MCU. |
mbed_official | 15:a81a8d6c1dfe | 88 | * |
mbed_official | 15:a81a8d6c1dfe | 89 | * Resets the MCU and all associated peripherals and registers, except RTC, all 32KHz sources, |
mbed_official | 15:a81a8d6c1dfe | 90 | * WDT (if ALWAYSON is set) and GCLK (if WRTLOCK is set). |
mbed_official | 15:a81a8d6c1dfe | 91 | * |
mbed_official | 15:a81a8d6c1dfe | 92 | */ |
mbed_official | 15:a81a8d6c1dfe | 93 | static inline void system_reset(void) |
mbed_official | 15:a81a8d6c1dfe | 94 | { |
mbed_official | 15:a81a8d6c1dfe | 95 | NVIC_SystemReset(); |
mbed_official | 15:a81a8d6c1dfe | 96 | } |
mbed_official | 15:a81a8d6c1dfe | 97 | |
mbed_official | 15:a81a8d6c1dfe | 98 | /** |
mbed_official | 15:a81a8d6c1dfe | 99 | * \brief Return the reset cause. |
mbed_official | 15:a81a8d6c1dfe | 100 | * |
mbed_official | 15:a81a8d6c1dfe | 101 | * Retrieves the cause of the last system reset. |
mbed_official | 15:a81a8d6c1dfe | 102 | * |
mbed_official | 15:a81a8d6c1dfe | 103 | * \return An enum value indicating the cause of the last system reset. |
mbed_official | 15:a81a8d6c1dfe | 104 | */ |
mbed_official | 15:a81a8d6c1dfe | 105 | static inline enum system_reset_cause system_get_reset_cause(void) |
mbed_official | 15:a81a8d6c1dfe | 106 | { |
mbed_official | 15:a81a8d6c1dfe | 107 | return (enum system_reset_cause)PM->RCAUSE.reg; |
mbed_official | 15:a81a8d6c1dfe | 108 | } |
mbed_official | 15:a81a8d6c1dfe | 109 | |
mbed_official | 15:a81a8d6c1dfe | 110 | /** |
mbed_official | 15:a81a8d6c1dfe | 111 | * @} |
mbed_official | 15:a81a8d6c1dfe | 112 | */ |
mbed_official | 15:a81a8d6c1dfe | 113 | |
mbed_official | 15:a81a8d6c1dfe | 114 | /** @} */ |
mbed_official | 15:a81a8d6c1dfe | 115 | #ifdef __cplusplus |
mbed_official | 15:a81a8d6c1dfe | 116 | } |
mbed_official | 15:a81a8d6c1dfe | 117 | #endif |
mbed_official | 15:a81a8d6c1dfe | 118 | |
mbed_official | 15:a81a8d6c1dfe | 119 | #endif /* RESET_H_INCLUDED */ |