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Update to allow low power mode to be used with the RTOS.

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This commit is contained in:
Richard Barry 2008-10-19 17:44:56 +00:00
parent f9e47722ce
commit 5bccc20356
1 changed files with 61 additions and 5 deletions
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66
Source/portable/Rowley/MSP430F449/Port1/portext.asm
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@ -1,6 +1,56 @@
/*
FreeRTOS.org V5.0.4 - Copyright (C) 2003-2008 Richard Barry.
This file is part of the FreeRTOS.org distribution.
FreeRTOS.org is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
FreeRTOS.org is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with FreeRTOS.org; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
A special exception to the GPL can be applied should you wish to distribute
a combined work that includes FreeRTOS.org, without being obliged to provide
the source code for any proprietary components. See the licensing section
of http://www.FreeRTOS.org for full details of how and when the exception
can be applied.
***************************************************************************
***************************************************************************
* *
* SAVE TIME AND MONEY! We can port FreeRTOS.org to your own hardware, *
* and even write all or part of your application on your behalf. *
* See http://www.OpenRTOS.com for details of the services we provide to *
* expedite your project. *
* *
***************************************************************************
***************************************************************************
Please ensure to read the configuration and relevant port sections of the
online documentation.
http://www.FreeRTOS.org - Documentation, latest information, license and
contact details.
http://www.SafeRTOS.com - A version that is certified for use in safety
critical systems.
http://www.OpenRTOS.com - Commercial support, development, porting,
licensing and training services.
*/
#include "FreeRTOSConfig.h"
portSAVE_CONTEXT macro
/* Save the remaining registers. */
push r4
push r5
push r6
@ -37,6 +87,12 @@ portRESTORE_CONTEXT macro
pop r6
pop r5
pop r4
/* The last thing on the stack will be the status register.
Ensure the power down bits are clear ready for the next
time this power down register is popped from the stack. */
bic.w #0xf0,0(SP)
reti
endm
/*-----------------------------------------------------------*/
@ -77,13 +133,13 @@ _vPortYield::
dint
/* Save the context of the current task. */
portSAVE_CONTEXT
portSAVE_CONTEXT
/* Switch to the highest priority task that is ready to run. */
call #_vTaskSwitchContext
/* Switch to the highest priority task that is ready to run. */
call #_vTaskSwitchContext
/* Restore the context of the new task. */
portRESTORE_CONTEXT
/* Restore the context of the new task. */
portRESTORE_CONTEXT
/*-----------------------------------------------------------*/