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/*
FreeRTOS V8.0.1 - Copyright (C) 2014 Real Time Engineers Ltd.
All rights reserved
VISIT http://www.FreeRTOS.org TO ENSURE YOU ARE USING THE LATEST VERSION.
***************************************************************************
* *
* FreeRTOS provides completely free yet professionally developed, *
* robust, strictly quality controlled, supported, and cross *
* platform software that has become a de facto standard. *
* *
* Help yourself get started quickly and support the FreeRTOS *
* project by purchasing a FreeRTOS tutorial book, reference *
* manual, or both from: http://www.FreeRTOS.org/Documentation *
* *
* Thank you! *
* *
***************************************************************************
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 modification 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. !<<
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. Full license text is available from the following
link: http://www.freertos.org/a00114.html
1 tab == 4 spaces!
***************************************************************************
* *
* Having a problem? Start by reading the FAQ "My application does *
* not run, what could be wrong?" *
* *
* http://www.FreeRTOS.org/FAQHelp.html *
* *
***************************************************************************
http://www.FreeRTOS.org - Documentation, books, training, latest versions,
license and Real Time Engineers Ltd. contact details.
http://www.FreeRTOS.org/plus - A selection of FreeRTOS ecosystem products,
including FreeRTOS+Trace - an indispensable productivity tool, a DOS
compatible FAT file system, and our tiny thread aware UDP/IP stack.
http://www.OpenRTOS.com - Real Time Engineers ltd license FreeRTOS to High
Integrity Systems to sell under the OpenRTOS brand. Low cost OpenRTOS
licenses offer ticketed support, indemnification and middleware.
http://www.SafeRTOS.com - High Integrity Systems also provide a safety
engineered and independently SIL3 certified version for use in safety and
mission critical applications that require provable dependability.
1 tab == 4 spaces!
*/
#include "FreeRTOS.h"
/*-----------------------------------------------------------*/
/* Called by the startup code to initialise the run time system. */
unsigned char __low_level_init(void);
/*-----------------------------------------------------------*/
unsigned char __low_level_init(void)
{
unsigned char resetflag = RESF;
unsigned char psval = 0;
unsigned portBASE_TYPE i = 0;
/* Setup provided by NEC. */
portDISABLE_INTERRUPTS(); /* disable global interrupts */
PRCMD = 0x00; /* On-chip debug mode */
OCDM = 0x00;
VSWC = 0x00; /* set system wait control register */
WDTM2 = 0x00; /* WDT2 setting */
PLLON = 0; /* PLL stop mode */
psval = 0x0A | 0x00;
PRCMD = psval; /* set Command Register */
CKC = psval; /* set Clock Control Register */
PLLS = 0x03;
psval = 0x80; /* Set fXX and fCPU */
PRCMD = psval;
PCC = psval;
PLLON = 1; /* activate PLL */
for( i = 0; i <= 2000; i++ ) /* Wait for stabilisation */
{
portNOP();
}
while( LOCK ) /* Wait for PLL frequency stabiliasation */
{
;
}
SELPLL = 1; /* Set PLL mode active */
RSTOP = 0; /* Set fR (enable) */
BGCE0 = 0; /* Set fBRG(disable) */
psval = 0x00; /* Stand-by setting */
PRCMD = psval; /* set Command Register */
PSC = psval; /* set Power Save Control Register */
return pdTRUE;
}
/*-----------------------------------------------------------*/
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