Sergey Solodunov / mbed-dev

mbed library sources. Supersedes mbed-src.

Fork of mbed-dev by mbed official

targets/hal/TARGET_Atmel/TARGET_SAM_CortexM0P/drivers/system/reset/reset_sam_d_r/reset.h@15:a81a8d6c1dfe, 2015-11-04 (annotated)

Committer:
mbed_official
Date:
Wed Nov 04 16:30:11 2015 +0000
Revision:
15:a81a8d6c1dfe
Synchronized with git revision 46af745ef4405614c3fa49abbd9a706a362ea514



Full URL: https://github.com/mbedmicro/mbed/commit/46af745ef4405614c3fa49abbd9a706a362ea514/



Renamed TARGET_SAM_CortexM0+ to TARGET_SAM_CortexM0P for compatiblity with online compiler

Who changed what in which revision?

UserRevisionLine numberNew 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 */