Daiki Kato / mbed-os-lychee

mbed-os for GR-LYCHEE

Dependents:   mbed-os-example-blinky-gr-lychee GR-Boads_Camera_sample GR-Boards_Audio_Recoder GR-Boads_Camera_DisplayApp ... more

rtos/rtos_idle.c@0:f782d9c66c49, 2018-02-02 (annotated)

Committer:
dkato
Date:
Fri Feb 02 05:42:23 2018 +0000
Revision:
0:f782d9c66c49
mbed-os for GR-LYCHEE

Who changed what in which revision?

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dkato 0:f782d9c66c49 1 /* mbed Microcontroller Library
dkato 0:f782d9c66c49 2 * Copyright (c) 2006-2012 ARM Limited
dkato 0:f782d9c66c49 3 *
dkato 0:f782d9c66c49 4 * Permission is hereby granted, free of charge, to any person obtaining a copy
dkato 0:f782d9c66c49 5 * of this software and associated documentation files (the "Software"), to deal
dkato 0:f782d9c66c49 6 * in the Software without restriction, including without limitation the rights
dkato 0:f782d9c66c49 7 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
dkato 0:f782d9c66c49 8 * copies of the Software, and to permit persons to whom the Software is
dkato 0:f782d9c66c49 9 * furnished to do so, subject to the following conditions:
dkato 0:f782d9c66c49 10 *
dkato 0:f782d9c66c49 11 * The above copyright notice and this permission notice shall be included in
dkato 0:f782d9c66c49 12 * all copies or substantial portions of the Software.
dkato 0:f782d9c66c49 13 *
dkato 0:f782d9c66c49 14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
dkato 0:f782d9c66c49 15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
dkato 0:f782d9c66c49 16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
dkato 0:f782d9c66c49 17 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
dkato 0:f782d9c66c49 18 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
dkato 0:f782d9c66c49 19 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
dkato 0:f782d9c66c49 20 * SOFTWARE.
dkato 0:f782d9c66c49 21 */
dkato 0:f782d9c66c49 22
dkato 0:f782d9c66c49 23 #include "rtos/rtos_idle.h"
dkato 0:f782d9c66c49 24 #include "platform/mbed_sleep.h"
dkato 0:f782d9c66c49 25
dkato 0:f782d9c66c49 26 static void default_idle_hook(void)
dkato 0:f782d9c66c49 27 {
dkato 0:f782d9c66c49 28 /* Sleep: ideally, we should put the chip to sleep.
dkato 0:f782d9c66c49 29 Unfortunately, this usually requires disconnecting the interface chip (debugger).
dkato 0:f782d9c66c49 30 This can be done, but it would break the local file system.
dkato 0:f782d9c66c49 31 */
dkato 0:f782d9c66c49 32 sleep();
dkato 0:f782d9c66c49 33 }
dkato 0:f782d9c66c49 34 static void (*idle_hook_fptr)(void) = &default_idle_hook;
dkato 0:f782d9c66c49 35
dkato 0:f782d9c66c49 36 void rtos_attach_idle_hook(void (*fptr)(void))
dkato 0:f782d9c66c49 37 {
dkato 0:f782d9c66c49 38 //Attach the specified idle hook, or the default idle hook in case of a NULL pointer
dkato 0:f782d9c66c49 39 if (fptr != NULL) {
dkato 0:f782d9c66c49 40 idle_hook_fptr = fptr;
dkato 0:f782d9c66c49 41 } else {
dkato 0:f782d9c66c49 42 idle_hook_fptr = default_idle_hook;
dkato 0:f782d9c66c49 43 }
dkato 0:f782d9c66c49 44 }
dkato 0:f782d9c66c49 45
dkato 0:f782d9c66c49 46 void rtos_idle_loop(void)
dkato 0:f782d9c66c49 47 {
dkato 0:f782d9c66c49 48 //Continuously call the idle hook function pointer
dkato 0:f782d9c66c49 49 while (1) {
dkato 0:f782d9c66c49 50 idle_hook_fptr();
dkato 0:f782d9c66c49 51 }
dkato 0:f782d9c66c49 52 }