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/*
FreeRTOS V5.4.2 - Copyright (C) 2009 Real Time Engineers Ltd.
This file is part of the FreeRTOS distribution.
FreeRTOS is free software; you can redistribute it and/or modify it under
the terms of the GNU General Public License (version 2) as published by the
Free Software Foundation and modified by the FreeRTOS exception.
**NOTE** The exception to the GPL is included to allow you to distribute a
combined work that includes FreeRTOS without being obliged to provide the
source code for proprietary components outside of the FreeRTOS kernel.
Alternative commercial license and support terms are also available upon
request. See the licensing section of http://www.FreeRTOS.org for full
license details.
FreeRTOS 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; if not, write to the Free Software Foundation, Inc., 59
Temple Place, Suite 330, Boston, MA 02111-1307 USA.
***************************************************************************
* *
* Looking for a quick start? Then check out the FreeRTOS eBook! *
* See http://www.FreeRTOS.org/Documentation for details *
* *
***************************************************************************
1 tab == 4 spaces!
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 "FreeRTOS.h"
/*-----------------------------------------------------------*/
/* Called by the startup code to initialise the run time system. */
unsigned portCHAR __low_level_init(void);
/*-----------------------------------------------------------*/
unsigned portCHAR __low_level_init(void)
{
unsigned portCHAR resetflag = RESF;
unsigned portCHAR psval = 0;
/* Setup provided by NEC. */
/* Disable global interrupts to ensure no interrupts occur during system
setup. */
portDISABLE_INTERRUPTS();
PRCMD = 0x00;
OCDM = 0x00;
VSWC = 0x12;
VSWC = 18;
/* Set main system clock */
OSTS = 0x06;
psval = 0x80;
PRCMD = psval;
PCC = psval;
while (!OSTC)
{
;
}
PLLS = 0x03;
PLLON = 1;
while (LOCKR)
{
;
}
psval = 0x01;
PRCMD = psval;
MCM = psval;
SELPLL = 1;
/* Set fCPU */
psval = PCC | 0x00;
PRCMD = psval;
PCC = psval;
RCM = 0x83;
/* Set fXP1 */
SELCNT4 = 0x00;
/* Set fBRG */
PRSM0 = 0x00;
/* Stand-by setting */
psval = 0x00;
PRCMD = psval;
PSC = psval;
/* WDT2 setting */
WDTM2 = 0x1F;
/* PCL setting */
PCLM = 0x00;
/* disable dma0 - dma3 */
E00 = 0;
E11 = 0;
E22 = 0;
E33 = 0;
return pdTRUE;
}
/*-----------------------------------------------------------*/