2026-01-19 00:00:39 -05:00 · 2010-09-23 18:11:20 +00:00 · 2010-09-23 18:11:20 +00:00 · 4baf272c92
commit 4baf272c92
parent 5c64e1fad9
5062 changed files with 1554463 additions and 0 deletions
--- a/20100923-V6.1.0-RC2/Demo/HCS12_GCC_banked/startup.c
+++ b/20100923-V6.1.0-RC2/Demo/HCS12_GCC_banked/startup.c
@ -0,0 +1,107 @@
+/*
+    FreeRTOS V6.1.0 - Copyright (C) 2010 Real Time Engineers Ltd.
+
+    ***************************************************************************
+    *                                                                         *
+    * If you are:                                                             *
+    *                                                                         *
+    *    + New to FreeRTOS,                                                   *
+    *    + Wanting to learn FreeRTOS or multitasking in general quickly       *
+    *    + Looking for basic training,                                        *
+    *    + Wanting to improve your FreeRTOS skills and productivity           *
+    *                                                                         *
+    * then take a look at the FreeRTOS books - available as PDF or paperback  *
+    *                                                                         *
+    *        "Using the FreeRTOS Real Time Kernel - a Practical Guide"        *
+    *                  http://www.FreeRTOS.org/Documentation                  *
+    *                                                                         *
+    * A pdf reference manual is also available.  Both are usually delivered   *
+    * to your inbox within 20 minutes to two hours when purchased between 8am *
+    * and 8pm GMT (although please allow up to 24 hours in case of            *
+    * exceptional circumstances).  Thank you for your support!                *
+    *                                                                         *
+    ***************************************************************************
+
+    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.
+    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 and the FreeRTOS license exception along with FreeRTOS; if not it 
+    can be viewed here: http://www.freertos.org/a00114.html and also obtained 
+    by writing to Richard Barry, contact details for whom are available on the
+    FreeRTOS WEB site.
+
+    1 tab == 4 spaces!
+
+    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.
+*/
+
+
+/*
+ * startup.c
+ * Author Jefferson L Smith, Robotronics Inc.
+ *
+ * __premain() is the startup code to init hardware and ram to execute the
+ *             C application.
+ *
+ */
+
+#include <sys/ports.h>
+#include "cpu.h"
+
+void ATTR_NEAR __premain (void);
+
+void
+__premain (void)
+{
+	// in case special mode enabled, avoid conflict on PORTE
+	PEAR |= NECLK;
+	// bgnd mode stops COP and RTI clocks
+	COPCTL = RSBCK;
+	// stops TCNT counter when debugging stops
+	TSCR1 |= (1<<5);			// TFRZ
+	
+	// PLL
+	CLKSEL = 0;				// disable PLL to configure
+	// xtal 16MHz, bus 24MHz
+	SYNR  = 3 - 1;
+	REFDV = 2 - 1;
+	while (!(CRGFLG & 0x08))    // wait for PLL LOCK
+	cop_optional_reset();
+	CLKSEL |= 0x80;             // use PLL
+
+	// init switch inputs
+	PERH = 0xff;				// pullups
+
+	// outputs
+#if PORT_LED==M6811_PORTB		//PORTB
+	DDRB = 0xff;	// init LED
+#elif PORT_LED==M6811_PORTA		//PORTA
+	DDRA = 0xff;
+#elif PORT_LED==M6811_PTT	//PTT
+	DDRT = 0xff;
+#elif PORT_LED==M6811_PTM	//PTM
+	DDRM = 0xff;
+#elif PORT_LED==M6811_PTP	//PTP
+	DDRP = 0xff;
+#elif PORT_LED==M6811_PTH	//PTH
+	DDRH = 0xff;
+#endif
+	
+}
+