2 FreeRTOS.org V5.1.2 - Copyright (C) 2003-2009 Richard Barry.
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4 This file is part of the FreeRTOS.org distribution.
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6 FreeRTOS.org is free software; you can redistribute it and/or modify
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7 it under the terms of the GNU General Public License as published by
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8 the Free Software Foundation; either version 2 of the License, or
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9 (at your option) any later version.
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11 FreeRTOS.org is distributed in the hope that it will be useful,
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12 but WITHOUT ANY WARRANTY; without even the implied warranty of
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13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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14 GNU General Public License for more details.
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16 You should have received a copy of the GNU General Public License
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17 along with FreeRTOS.org; if not, write to the Free Software
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18 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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20 A special exception to the GPL can be applied should you wish to distribute
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21 a combined work that includes FreeRTOS.org, without being obliged to provide
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22 the source code for any proprietary components. See the licensing section
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23 of http://www.FreeRTOS.org for full details of how and when the exception
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26 ***************************************************************************
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27 ***************************************************************************
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29 * Get the FreeRTOS eBook! See http://www.FreeRTOS.org/Documentation *
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31 * This is a concise, step by step, 'hands on' guide that describes both *
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32 * general multitasking concepts and FreeRTOS specifics. It presents and *
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33 * explains numerous examples that are written using the FreeRTOS API. *
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34 * Full source code for all the examples is provided in an accompanying *
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37 ***************************************************************************
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38 ***************************************************************************
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40 Please ensure to read the configuration and relevant port sections of the
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41 online documentation.
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43 http://www.FreeRTOS.org - Documentation, latest information, license and
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46 http://www.SafeRTOS.com - A version that is certified for use in safety
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49 http://www.OpenRTOS.com - Commercial support, development, porting,
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50 licensing and training services.
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56 * Author Jefferson L Smith, Robotronics Inc.
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58 * __premain() is the startup code to init hardware and ram to execute the
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63 #include <sys/ports.h>
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66 void ATTR_NEAR __premain (void);
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71 // in case special mode enabled, avoid conflict on PORTE
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73 // bgnd mode stops COP and RTI clocks
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75 // stops TCNT counter when debugging stops
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76 TSCR1 |= (1<<5); // TFRZ
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79 CLKSEL = 0; // disable PLL to configure
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80 // xtal 16MHz, bus 24MHz
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83 while (!(CRGFLG & 0x08)) // wait for PLL LOCK
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84 cop_optional_reset();
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85 CLKSEL |= 0x80; // use PLL
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87 // init switch inputs
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88 PERH = 0xff; // pullups
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91 #if PORT_LED==M6811_PORTB //PORTB
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92 DDRB = 0xff; // init LED
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93 #elif PORT_LED==M6811_PORTA //PORTA
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95 #elif PORT_LED==M6811_PTT //PTT
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97 #elif PORT_LED==M6811_PTM //PTM
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99 #elif PORT_LED==M6811_PTP //PTP
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101 #elif PORT_LED==M6811_PTH //PTH
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