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145 lines
4.8 KiB
C
145 lines
4.8 KiB
C
/*
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FreeRTOS V7.6.0 - Copyright (C) 2013 Real Time Engineers Ltd.
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All rights reserved
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VISIT http://www.FreeRTOS.org TO ENSURE YOU ARE USING THE LATEST VERSION.
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***************************************************************************
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* *
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* FreeRTOS provides completely free yet professionally developed, *
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* robust, strictly quality controlled, supported, and cross *
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* platform software that has become a de facto standard. *
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* *
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* Help yourself get started quickly and support the FreeRTOS *
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* project by purchasing a FreeRTOS tutorial book, reference *
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* manual, or both from: http://www.FreeRTOS.org/Documentation *
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* *
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* Thank you! *
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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
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>>! a combined work that includes FreeRTOS without being obliged to provide
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>>! the source code for proprietary components outside of the FreeRTOS
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>>! kernel.
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FreeRTOS is distributed in the hope that it will be useful, but WITHOUT ANY
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WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
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FOR A PARTICULAR PURPOSE. Full license text is available from the following
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link: http://www.freertos.org/a00114.html
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1 tab == 4 spaces!
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***************************************************************************
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* *
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* Having a problem? Start by reading the FAQ "My application does *
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* not run, what could be wrong?" *
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* *
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* http://www.FreeRTOS.org/FAQHelp.html *
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* *
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***************************************************************************
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http://www.FreeRTOS.org - Documentation, books, training, latest versions,
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license and Real Time Engineers Ltd. contact details.
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http://www.FreeRTOS.org/plus - A selection of FreeRTOS ecosystem products,
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including FreeRTOS+Trace - an indispensable productivity tool, a DOS
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compatible FAT file system, and our tiny thread aware UDP/IP stack.
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http://www.OpenRTOS.com - Real Time Engineers ltd license FreeRTOS to High
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Integrity Systems to sell under the OpenRTOS brand. Low cost OpenRTOS
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licenses offer ticketed support, indemnification and middleware.
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http://www.SafeRTOS.com - High Integrity Systems also provide a safety
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engineered and independently SIL3 certified version for use in safety and
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mission critical applications that require provable dependability.
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1 tab == 4 spaces!
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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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