diff options
Diffstat (limited to 'Demo/NEC_V850ES_IAR/LowLevelInit/LowLevelInit.c')
| -rw-r--r-- | Demo/NEC_V850ES_IAR/LowLevelInit/LowLevelInit.c | 99 |
1 files changed, 99 insertions, 0 deletions
diff --git a/Demo/NEC_V850ES_IAR/LowLevelInit/LowLevelInit.c b/Demo/NEC_V850ES_IAR/LowLevelInit/LowLevelInit.c new file mode 100644 index 00000000..e5a06240 --- /dev/null +++ b/Demo/NEC_V850ES_IAR/LowLevelInit/LowLevelInit.c @@ -0,0 +1,99 @@ +/*
+ FreeRTOS.org V5.1.1 - Copyright (C) 2003-2008 Richard Barry.
+
+ This file is part of the FreeRTOS.org distribution.
+
+ FreeRTOS.org is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 2 of the License, or
+ (at your option) any later version.
+
+ FreeRTOS.org 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.org; if not, write to the Free Software
+ Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+
+ A special exception to the GPL can be applied should you wish to distribute
+ a combined work that includes FreeRTOS.org, without being obliged to provide
+ the source code for any proprietary components. See the licensing section
+ of http://www.FreeRTOS.org for full details of how and when the exception
+ can be applied.
+
+ ***************************************************************************
+ ***************************************************************************
+ * *
+ * SAVE TIME AND MONEY! We can port FreeRTOS.org to your own hardware, *
+ * and even write all or part of your application on your behalf. *
+ * See http://www.OpenRTOS.com for details of the services we provide to *
+ * expedite your project. *
+ * *
+ ***************************************************************************
+ ***************************************************************************
+
+ 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;
+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;
+}
+/*-----------------------------------------------------------*/
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