| /* | |
| FreeRTOS V8.1.0 - 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; | |
| } | |
| /*-----------------------------------------------------------*/ |