/* | |
FreeRTOS V5.4.2 - Copyright (C) 2009 Real Time Engineers Ltd. | |
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 exception 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. | |
Alternative commercial license and support terms are also available upon | |
request. See the licensing section of http://www.FreeRTOS.org for full | |
license details. | |
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 along | |
with FreeRTOS; if not, write to the Free Software Foundation, Inc., 59 | |
Temple Place, Suite 330, Boston, MA 02111-1307 USA. | |
*************************************************************************** | |
* * | |
* Looking for a quick start? Then check out the FreeRTOS eBook! * | |
* See http://www.FreeRTOS.org/Documentation for details * | |
* * | |
*************************************************************************** | |
1 tab == 4 spaces! | |
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; | |
/* 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; | |
} | |
/*-----------------------------------------------------------*/ |