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This library was superseded by mbed-dev - https://os.mbed.com/users/mbed_official/code/mbed-dev/.

Development branch of the mbed library sources. This library is kept in synch with the latest changes from the mbed SDK and it is not guaranteed to work.

If you are looking for a stable and tested release, please import one of the official mbed library releases:

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The official Mbed 2 C/C++ SDK provides the software platform and libraries to build your applications.

Last commit 20 Feb 2019 by mbed official

targets/hal/TARGET_Atmel/TARGET_SAM21/drivers/system/system.c@592:a274ee790e56, 2015-07-17 (annotated)

Committer:
mbed_official
Date:
Fri Jul 17 09:15:10 2015 +0100
Revision:
592:a274ee790e56
Parent:
579:53297373a894 
Synchronized with git revision e7144f83a8d75df80c4877936b6ffe552b0be9e6



Full URL: https://github.com/mbedmicro/mbed/commit/e7144f83a8d75df80c4877936b6ffe552b0be9e6/



More API implementation for SAMR21

Who changed what in which revision?

UserRevisionLine numberNew contents of line
mbed_official 579:53297373a894 1 #include <system.h>
mbed_official 579:53297373a894 2
mbed_official 579:53297373a894 3 /**
mbed_official 579:53297373a894 4 * \internal
mbed_official 579:53297373a894 5 * Dummy initialization function, used as a weak alias target for the various
mbed_official 579:53297373a894 6 * init functions called by \ref system_init().
mbed_official 579:53297373a894 7 */
mbed_official 579:53297373a894 8 void _system_dummy_init(void);
mbed_official 579:53297373a894 9 void _system_dummy_init(void)
mbed_official 579:53297373a894 10 {
mbed_official 579:53297373a894 11 return;
mbed_official 579:53297373a894 12 }
mbed_official 579:53297373a894 13
mbed_official 579:53297373a894 14 #if !defined(__DOXYGEN__)
mbed_official 579:53297373a894 15 # if defined(__GNUC__)
mbed_official 579:53297373a894 16 void system_clock_init(void) WEAK __attribute__((alias("_system_dummy_init")));
mbed_official 579:53297373a894 17 void system_board_init(void) WEAK __attribute__((alias("_system_dummy_init")));
mbed_official 579:53297373a894 18 void _system_events_init(void) WEAK __attribute__((alias("_system_dummy_init")));
mbed_official 579:53297373a894 19 void _system_extint_init(void) WEAK __attribute__((alias("_system_dummy_init")));
mbed_official 579:53297373a894 20 # elif defined(__ICCARM__)
mbed_official 579:53297373a894 21 void system_clock_init(void);
mbed_official 579:53297373a894 22 void system_board_init(void);
mbed_official 579:53297373a894 23 void _system_events_init(void);
mbed_official 579:53297373a894 24 void _system_extint_init(void);
mbed_official 579:53297373a894 25 # pragma weak system_clock_init=_system_dummy_init
mbed_official 579:53297373a894 26 # pragma weak system_board_init=_system_dummy_init
mbed_official 579:53297373a894 27 # pragma weak _system_events_init=_system_dummy_init
mbed_official 579:53297373a894 28 # pragma weak _system_extint_init=_system_dummy_init
mbed_official 579:53297373a894 29 # endif
mbed_official 579:53297373a894 30 #endif
mbed_official 579:53297373a894 31
mbed_official 579:53297373a894 32 /**
mbed_official 579:53297373a894 33 * \brief Initialize system.
mbed_official 579:53297373a894 34 *
mbed_official 579:53297373a894 35 * This function will call the various initialization functions within the
mbed_official 579:53297373a894 36 * system namespace. If a given optional system module is not available, the
mbed_official 579:53297373a894 37 * associated call will effectively be a NOP (No Operation).
mbed_official 579:53297373a894 38 *
mbed_official 579:53297373a894 39 * Currently the following initialization functions are supported:
mbed_official 579:53297373a894 40 * - System clock initialization (via the SYSTEM CLOCK sub-module)
mbed_official 579:53297373a894 41 * - Board hardware initialization (via the Board module)
mbed_official 579:53297373a894 42 * - Event system driver initialization (via the EVSYS module)
mbed_official 579:53297373a894 43 * - External Interrupt driver initialization (via the EXTINT module)
mbed_official 579:53297373a894 44 */
mbed_official 579:53297373a894 45 void system_init(void)
mbed_official 579:53297373a894 46 {
mbed_official 579:53297373a894 47 /* Configure GCLK and clock sources according to conf_clocks.h */
mbed_official 579:53297373a894 48 system_clock_init();
mbed_official 579:53297373a894 49
mbed_official 579:53297373a894 50 /* Initialize board hardware */
mbed_official 579:53297373a894 51 system_board_init();
mbed_official 579:53297373a894 52
mbed_official 579:53297373a894 53 /* Initialize EVSYS hardware */
mbed_official 579:53297373a894 54 _system_events_init();
mbed_official 579:53297373a894 55
mbed_official 579:53297373a894 56 /* Initialize External hardware */
mbed_official 579:53297373a894 57 _system_extint_init();
mbed_official 579:53297373a894 58 }
mbed_official 579:53297373a894 59