/* | |
FreeRTOS V8.2.3 - Copyright (C) 2015 Real Time Engineers Ltd. | |
All rights reserved | |
VISIT http://www.FreeRTOS.org TO ENSURE YOU ARE USING THE LATEST VERSION. | |
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 on the following | |
link: http://www.freertos.org/a00114.html | |
*************************************************************************** | |
* * | |
* FreeRTOS provides completely free yet professionally developed, * | |
* robust, strictly quality controlled, supported, and cross * | |
* platform software that is more than just the market leader, it * | |
* is the industry's de facto standard. * | |
* * | |
* Help yourself get started quickly while simultaneously helping * | |
* to support the FreeRTOS project by purchasing a FreeRTOS * | |
* tutorial book, reference manual, or both: * | |
* http://www.FreeRTOS.org/Documentation * | |
* * | |
*************************************************************************** | |
http://www.FreeRTOS.org/FAQHelp.html - Having a problem? Start by reading | |
the FAQ page "My application does not run, what could be wrong?". Have you | |
defined configASSERT()? | |
http://www.FreeRTOS.org/support - In return for receiving this top quality | |
embedded software for free we request you assist our global community by | |
participating in the support forum. | |
http://www.FreeRTOS.org/training - Investing in training allows your team to | |
be as productive as possible as early as possible. Now you can receive | |
FreeRTOS training directly from Richard Barry, CEO of Real Time Engineers | |
Ltd, and the world's leading authority on the world's leading RTOS. | |
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.FreeRTOS.org/labs - Where new FreeRTOS products go to incubate. | |
Come and try FreeRTOS+TCP, our new open source TCP/IP stack for FreeRTOS. | |
http://www.OpenRTOS.com - Real Time Engineers ltd. license FreeRTOS to High | |
Integrity Systems ltd. to sell under the OpenRTOS brand. Low cost OpenRTOS | |
licenses offer ticketed support, indemnification and commercial 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; | |
/* Setup provided by NEC. */ | |
/* Disable global interrupts to ensure no interrupts occur during system | |
setup. */ | |
portDISABLE_INTERRUPTS(); | |
PRCMD = 0x00; | |
OCDM = 0x00; | |
VSWC = 0x12; | |
VSWC = 18; | |
/* Set main system clock */ | |
OSTS = 0x06; | |
psval = 0x80; | |
PRCMD = psval; | |
PCC = psval; | |
while (!OSTC) | |
{ | |
; | |
} | |
PLLS = 0x03; | |
PLLON = 1; | |
while (LOCKR) | |
{ | |
; | |
} | |
psval = 0x01; | |
PRCMD = psval; | |
MCM = psval; | |
SELPLL = 1; | |
/* Set fCPU */ | |
psval = PCC | 0x00; | |
PRCMD = psval; | |
PCC = psval; | |
RCM = 0x83; | |
/* Set fXP1 */ | |
SELCNT4 = 0x00; | |
/* Set fBRG */ | |
PRSM0 = 0x00; | |
/* Stand-by setting */ | |
psval = 0x00; | |
PRCMD = psval; | |
PSC = psval; | |
/* WDT2 setting */ | |
WDTM2 = 0x1F; | |
/* PCL setting */ | |
PCLM = 0x00; | |
/* disable dma0 - dma3 */ | |
E00 = 0; | |
E11 = 0; | |
E22 = 0; | |
E33 = 0; | |
return pdTRUE; | |
} | |
/*-----------------------------------------------------------*/ |