2 FreeRTOS V6.0.0 - Copyright (C) 2009 Real Time Engineers Ltd.
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4 This file is part of the FreeRTOS distribution.
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6 FreeRTOS is free software; you can redistribute it and/or modify it under
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7 the terms of the GNU General Public License (version 2) as published by the
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8 Free Software Foundation and modified by the FreeRTOS exception.
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9 **NOTE** The exception to the GPL is included to allow you to distribute a
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10 combined work that includes FreeRTOS without being obliged to provide the
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11 source code for proprietary components outside of the FreeRTOS kernel.
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12 Alternative commercial license and support terms are also available upon
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13 request. See the licensing section of http://www.FreeRTOS.org for full
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16 FreeRTOS is distributed in the hope that it will be useful, but WITHOUT
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17 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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18 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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21 You should have received a copy of the GNU General Public License along
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22 with FreeRTOS; if not, write to the Free Software Foundation, Inc., 59
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23 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
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26 ***************************************************************************
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28 * The FreeRTOS eBook and reference manual are available to purchase for a *
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29 * small fee. Help yourself get started quickly while also helping the *
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30 * FreeRTOS project! See http://www.FreeRTOS.org/Documentation for details *
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32 ***************************************************************************
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36 Please ensure to read the configuration and relevant port sections of the
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37 online documentation.
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39 http://www.FreeRTOS.org - Documentation, latest information, license and
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42 http://www.SafeRTOS.com - A version that is certified for use in safety
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45 http://www.OpenRTOS.com - Commercial support, development, porting,
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46 licensing and training services.
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51 + Added functionality to only call vTaskSwitchContext() once
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52 when handling multiple interruptsources in a single interruptcall.
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54 + Included Filenames changed to a .c extension to allow stepping through
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62 /* Scheduler include files. */
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63 #include <FreeRTOS.h>
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67 static bit uxSwitchRequested;
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70 * Vector for the ISR.
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72 void pointed Interrupt()
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75 * Save the context of the current task.
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77 portSAVE_CONTEXT( portINTERRUPTS_FORCED );
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80 * No contextswitch requested yet
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82 uxSwitchRequested = pdFALSE;
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85 * Was the interrupt the FreeRTOS SystemTick?
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87 #include <libFreeRTOS/Drivers/Tick/isrTick.c>
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89 /*******************************************************************************
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90 ** DO NOT MODIFY ANYTHING ABOVE THIS LINE
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91 ********************************************************************************
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92 ** Enter the includes for the ISR-code of the FreeRTOS drivers below.
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94 ** You cannot use local variables. Alternatives are:
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95 ** - Use static variables (Global RAM usage increases)
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96 ** - Call a function (Additional cycles are needed)
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97 ** - Use unused SFR's (preferred, no additional overhead)
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98 ** See "../Serial/isrSerialTx.c" for an example of this last option
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99 *******************************************************************************/
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104 * Was the interrupt a byte being received?
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106 #include "../Serial/isrSerialRx.c"
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110 * Was the interrupt the Tx register becoming empty?
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112 #include "../Serial/isrSerialTx.c"
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116 /*******************************************************************************
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117 ** DO NOT MODIFY ANYTHING BELOW THIS LINE
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118 *******************************************************************************/
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120 * Was a contextswitch requested by one of the
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121 * interrupthandlers?
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123 if ( uxSwitchRequested )
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125 vTaskSwitchContext();
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129 * Restore the context of the (possibly other) task.
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131 portRESTORE_CONTEXT();
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133 #pragma asmline retfie 0
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