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https://github.com/FreeRTOS/FreeRTOS-Kernel.git
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Richard Barry
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a869e61be6
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/*
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FreeRTOS V7.1.0 - Copyright (C) 2011 Real Time Engineers Ltd.
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***************************************************************************
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* *
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* FreeRTOS tutorial books are available in pdf and paperback. *
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* Complete, revised, and edited pdf reference manuals are also *
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* available. *
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* *
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* Purchasing FreeRTOS documentation will not only help you, by *
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* ensuring you get running as quickly as possible and with an *
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* in-depth knowledge of how to use FreeRTOS, it will also help *
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* the FreeRTOS project to continue with its mission of providing *
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* professional grade, cross platform, de facto standard solutions *
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* for microcontrollers - completely free of charge! *
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* *
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* >>> See http://www.FreeRTOS.org/Documentation for details. <<< *
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* *
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* Thank you for using FreeRTOS, and thank you for your support! *
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* *
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***************************************************************************
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This file is part of the FreeRTOS distribution.
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FreeRTOS is free software; you can redistribute it and/or modify it under
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the terms of the GNU General Public License (version 2) as published by the
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Free Software Foundation AND MODIFIED BY the FreeRTOS exception.
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>>>NOTE<<< The modification to the GPL is included to allow you to
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distribute a combined work that includes FreeRTOS without being obliged to
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provide the source code for proprietary components outside of the FreeRTOS
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kernel. FreeRTOS is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
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or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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more details. You should have received a copy of the GNU General Public
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License and the FreeRTOS license exception along with FreeRTOS; if not it
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can be viewed here: http://www.freertos.org/a00114.html and also obtained
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by writing to Richard Barry, contact details for whom are available on the
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FreeRTOS WEB site.
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1 tab == 4 spaces!
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http://www.FreeRTOS.org - Documentation, latest information, license and
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contact details.
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http://www.SafeRTOS.com - A version that is certified for use in safety
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critical systems.
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http://www.OpenRTOS.com - Commercial support, development, porting,
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licensing and training services.
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*/
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#include "FreeRTOS.h"
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/*-----------------------------------------------------------*/
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/* Called by the startup code to initialise the run time system. */
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unsigned portCHAR __low_level_init(void);
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/*-----------------------------------------------------------*/
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unsigned portCHAR __low_level_init(void)
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{
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unsigned portCHAR resetflag = RESF;
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unsigned portCHAR psval = 0;
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unsigned portBASE_TYPE i = 0;
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/* Setup provided by NEC. */
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portDISABLE_INTERRUPTS(); /* disable global interrupts */
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PRCMD = 0x00; /* On-chip debug mode */
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OCDM = 0x00;
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VSWC = 0x00; /* set system wait control register */
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WDTM2 = 0x00; /* WDT2 setting */
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PLLON = 0; /* PLL stop mode */
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psval = 0x0A | 0x00;
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PRCMD = psval; /* set Command Register */
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CKC = psval; /* set Clock Control Register */
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PLLS = 0x03;
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psval = 0x80; /* Set fXX and fCPU */
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PRCMD = psval;
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PCC = psval;
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PLLON = 1; /* activate PLL */
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for( i = 0; i <= 2000; i++ ) /* Wait for stabilisation */
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{
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portNOP();
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}
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while( LOCK ) /* Wait for PLL frequency stabiliasation */
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{
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;
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}
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SELPLL = 1; /* Set PLL mode active */
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RSTOP = 0; /* Set fR (enable) */
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BGCE0 = 0; /* Set fBRG(disable) */
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psval = 0x00; /* Stand-by setting */
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PRCMD = psval; /* set Command Register */
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PSC = psval; /* set Power Save Control Register */
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return pdTRUE;
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}
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/*-----------------------------------------------------------*/
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@ -0,0 +1,132 @@
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/*
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FreeRTOS V7.1.0 - Copyright (C) 2011 Real Time Engineers Ltd.
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***************************************************************************
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* *
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* FreeRTOS tutorial books are available in pdf and paperback. *
|
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* Complete, revised, and edited pdf reference manuals are also *
|
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* available. *
|
||||
* *
|
||||
* Purchasing FreeRTOS documentation will not only help you, by *
|
||||
* ensuring you get running as quickly as possible and with an *
|
||||
* in-depth knowledge of how to use FreeRTOS, it will also help *
|
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* the FreeRTOS project to continue with its mission of providing *
|
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* professional grade, cross platform, de facto standard solutions *
|
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* for microcontrollers - completely free of charge! *
|
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* *
|
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* >>> See http://www.FreeRTOS.org/Documentation for details. <<< *
|
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* *
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* Thank you for using FreeRTOS, and thank you for your support! *
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* *
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***************************************************************************
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This file is part of the FreeRTOS distribution.
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FreeRTOS is free software; you can redistribute it and/or modify it under
|
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the terms of the GNU General Public License (version 2) as published by the
|
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Free Software Foundation AND MODIFIED BY the FreeRTOS exception.
|
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>>>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. See the GNU General Public License for
|
||||
more details. You should have received a copy of the GNU General Public
|
||||
License and the FreeRTOS license exception along with FreeRTOS; if not it
|
||||
can be viewed here: http://www.freertos.org/a00114.html and also obtained
|
||||
by writing to Richard Barry, contact details for whom are available on the
|
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FreeRTOS WEB site.
|
||||
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1 tab == 4 spaces!
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http://www.FreeRTOS.org - Documentation, latest information, license and
|
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contact details.
|
||||
|
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http://www.SafeRTOS.com - A version that is certified for use in safety
|
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critical systems.
|
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|
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http://www.OpenRTOS.com - Commercial support, development, porting,
|
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licensing and training services.
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*/
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#include "FreeRTOS.h"
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/*-----------------------------------------------------------*/
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/* Called by the startup code to initialise the run time system. */
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unsigned portCHAR __low_level_init(void);
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/*-----------------------------------------------------------*/
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unsigned portCHAR __low_level_init(void)
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{
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unsigned portCHAR resetflag = RESF;
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unsigned portCHAR psval = 0;
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/* Setup provided by NEC. */
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/* Disable global interrupts to ensure no interrupts occur during system
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setup. */
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portDISABLE_INTERRUPTS();
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PRCMD = 0x00;
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OCDM = 0x00;
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VSWC = 0x12;
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VSWC = 18;
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/* Set main system clock */
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OSTS = 0x06;
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psval = 0x80;
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PRCMD = psval;
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PCC = psval;
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while (!OSTC)
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{
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;
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}
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PLLS = 0x03;
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PLLON = 1;
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while (LOCKR)
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{
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;
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}
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psval = 0x01;
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PRCMD = psval;
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MCM = psval;
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SELPLL = 1;
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/* Set fCPU */
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psval = PCC | 0x00;
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PRCMD = psval;
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PCC = psval;
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RCM = 0x83;
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/* Set fXP1 */
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SELCNT4 = 0x00;
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/* Set fBRG */
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PRSM0 = 0x00;
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/* Stand-by setting */
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psval = 0x00;
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PRCMD = psval;
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PSC = psval;
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/* WDT2 setting */
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WDTM2 = 0x1F;
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/* PCL setting */
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PCLM = 0x00;
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/* disable dma0 - dma3 */
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E00 = 0;
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E11 = 0;
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E22 = 0;
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E33 = 0;
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return pdTRUE;
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}
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/*-----------------------------------------------------------*/
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@ -0,0 +1,88 @@
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/*
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FreeRTOS V7.1.0 - Copyright (C) 2011 Real Time Engineers Ltd.
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***************************************************************************
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* *
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* FreeRTOS tutorial books are available in pdf and paperback. *
|
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* Complete, revised, and edited pdf reference manuals are also *
|
||||
* available. *
|
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* *
|
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* Purchasing FreeRTOS documentation will not only help you, by *
|
||||
* ensuring you get running as quickly as possible and with an *
|
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* in-depth knowledge of how to use FreeRTOS, it will also help *
|
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* the FreeRTOS project to continue with its mission of providing *
|
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* professional grade, cross platform, de facto standard solutions *
|
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* for microcontrollers - completely free of charge! *
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* *
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* >>> See http://www.FreeRTOS.org/Documentation for details. <<< *
|
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* *
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* Thank you for using FreeRTOS, and thank you for your support! *
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* *
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***************************************************************************
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This file is part of the FreeRTOS distribution.
|
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|
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FreeRTOS is free software; you can redistribute it and/or modify it under
|
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the terms of the GNU General Public License (version 2) as published by the
|
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Free Software Foundation AND MODIFIED BY the FreeRTOS exception.
|
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>>>NOTE<<< The modification to the GPL is included to allow you to
|
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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. See the GNU General Public License for
|
||||
more details. You should have received a copy of the GNU General Public
|
||||
License and the FreeRTOS license exception along with FreeRTOS; if not it
|
||||
can be viewed here: http://www.freertos.org/a00114.html and also obtained
|
||||
by writing to Richard Barry, contact details for whom are available on the
|
||||
FreeRTOS WEB site.
|
||||
|
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1 tab == 4 spaces!
|
||||
|
||||
http://www.FreeRTOS.org - Documentation, latest information, license and
|
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contact details.
|
||||
|
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http://www.SafeRTOS.com - A version that is certified for use in safety
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||||
critical systems.
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http://www.OpenRTOS.com - Commercial support, development, porting,
|
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licensing and training services.
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||||
*/
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#include "FreeRTOS.h"
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/*-----------------------------------------------------------*/
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/* Called by the startup code to initialise the run time system. */
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unsigned portCHAR __low_level_init( void );
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/*-----------------------------------------------------------*/
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unsigned portCHAR __low_level_init( void )
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{
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unsigned portCHAR resetflag = RESF;
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unsigned portBASE_TYPE i = 0;
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portDISABLE_INTERRUPTS(); /* disable global interrupts */
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PRCMD = 0x00; /* On-chip debug mode */
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PCC = 0x00; /* high speed mode fCPU */
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VSWC = 0x00;
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WDTM2 = 0xF; /* Stop watchdog Timer */
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PLLS = 0x03; /* Set PLL stabilisation time */
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PLLON = 1; /* activate PLL */
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for( i = 0; i <= 2000; i++ ) /* Wait for stabilisation */
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{
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portNOP();
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}
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while( LOCK ) /* Wait for PLL frequency stabiliasation */
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{
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portNOP();
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}
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SELPLL = 1; /* Set CPU operation to PLL mode */
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return pdTRUE;
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}
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/*-----------------------------------------------------------*/
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