8f26d181c3
Everything works fine without USB being plugged in but faults (I think) when USB is plugged in. This is switched away from the USB code from the bootloader onto the USB code thats generated by Atmel Studio using the high level classes from ASF.
112 lines
3.9 KiB
C
112 lines
3.9 KiB
C
/**
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* \file
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*
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* \brief SAM System related functionality
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*
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* Copyright (C) 2012-2015 Atmel Corporation. All rights reserved.
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*
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* \asf_license_start
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*
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* \page License
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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*
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* 1. Redistributions of source code must retain the above copyright notice,
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* this list of conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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*
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* 3. The name of Atmel may not be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* 4. This software may only be redistributed and used in connection with an
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* Atmel microcontroller product.
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*
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* THIS SOFTWARE IS PROVIDED BY ATMEL "AS IS" AND ANY EXPRESS OR IMPLIED
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* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT ARE
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* EXPRESSLY AND SPECIFICALLY DISCLAIMED. IN NO EVENT SHALL ATMEL BE LIABLE FOR
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* ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
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* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
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* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*
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* \asf_license_stop
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*
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*/
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/*
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* Support and FAQ: visit <a href="http://www.atmel.com/design-support/">Atmel Support</a>
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*/
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#include <system.h>
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/**
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* \internal
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* Dummy initialization function, used as a weak alias target for the various
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* init functions called by \ref system_init().
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*/
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void _system_dummy_init(void);
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void _system_dummy_init(void)
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{
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return;
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}
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#if !defined(__DOXYGEN__)
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# if defined(__GNUC__)
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void system_clock_init(void) WEAK __attribute__((alias("_system_dummy_init")));
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void system_board_init(void) WEAK __attribute__((alias("_system_dummy_init")));
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void _system_events_init(void) WEAK __attribute__((alias("_system_dummy_init")));
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void _system_extint_init(void) WEAK __attribute__((alias("_system_dummy_init")));
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void _system_divas_init(void) WEAK __attribute__((alias("_system_dummy_init")));
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# elif defined(__ICCARM__)
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void system_clock_init(void);
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void system_board_init(void);
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void _system_events_init(void);
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void _system_extint_init(void);
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void _system_divas_init(void);
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# pragma weak system_clock_init=_system_dummy_init
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# pragma weak system_board_init=_system_dummy_init
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# pragma weak _system_events_init=_system_dummy_init
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# pragma weak _system_extint_init=_system_dummy_init
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# pragma weak _system_divas_init=_system_dummy_init
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# endif
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#endif
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/**
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* \brief Initialize system
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*
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* This function will call the various initialization functions within the
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* system namespace. If a given optional system module is not available, the
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* associated call will effectively be a NOP (No Operation).
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*
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* Currently the following initialization functions are supported:
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* - System clock initialization (via the SYSTEM CLOCK sub-module)
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* - Board hardware initialization (via the Board module)
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* - Event system driver initialization (via the EVSYS module)
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* - External Interrupt driver initialization (via the EXTINT module)
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*/
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void system_init(void)
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{
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/* Configure GCLK and clock sources according to conf_clocks.h */
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system_clock_init();
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/* Initialize board hardware */
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system_board_init();
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/* Initialize EVSYS hardware */
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_system_events_init();
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/* Initialize External hardware */
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_system_extint_init();
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/* Initialize DIVAS hardware */
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_system_divas_init();
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}
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