/* FreeRTOS.org V5.1.1 - 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 "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; 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; } /*-----------------------------------------------------------*/