Before changing headers to V6 and changing portLONG, portSHORt and portCHAR to their standard C types.

2025-11-07 04:02:35 -05:00 · 2009-10-05 08:33:08 +00:00 · 2009-10-05 08:33:08 +00:00 · 5c64e1fad9
commit 5c64e1fad9
parent 3dfbb349ca
4417 changed files with 1261274 additions and 0 deletions
--- a/20091005/Demo/HCS12_GCC_banked/startup.c
+++ b/20091005/Demo/HCS12_GCC_banked/startup.c
@ -0,0 +1,101 @@
+/*
+	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.
+*/
+
+
+/*
+ * 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
+	
+}
+