2 FreeRTOS V7.5.1 - Copyright (C) 2013 Real Time Engineers Ltd.
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4 VISIT http://www.FreeRTOS.org TO ENSURE YOU ARE USING THE LATEST VERSION.
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6 ***************************************************************************
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8 * FreeRTOS provides completely free yet professionally developed, *
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9 * robust, strictly quality controlled, supported, and cross *
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10 * platform software that has become a de facto standard. *
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12 * Help yourself get started quickly and support the FreeRTOS *
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13 * project by purchasing a FreeRTOS tutorial book, reference *
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14 * manual, or both from: http://www.FreeRTOS.org/Documentation *
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18 ***************************************************************************
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20 This file is part of the FreeRTOS distribution.
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22 FreeRTOS is free software; you can redistribute it and/or modify it under
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23 the terms of the GNU General Public License (version 2) as published by the
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24 Free Software Foundation >>!AND MODIFIED BY!<< the FreeRTOS exception.
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26 >>! NOTE: The modification to the GPL is included to allow you to distribute
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27 >>! a combined work that includes FreeRTOS without being obliged to provide
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28 >>! the source code for proprietary components outside of the FreeRTOS
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31 FreeRTOS is distributed in the hope that it will be useful, but WITHOUT ANY
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32 WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
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33 FOR A PARTICULAR PURPOSE. Full license text is available from the following
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34 link: http://www.freertos.org/a00114.html
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38 ***************************************************************************
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40 * Having a problem? Start by reading the FAQ "My application does *
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41 * not run, what could be wrong?" *
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43 * http://www.FreeRTOS.org/FAQHelp.html *
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45 ***************************************************************************
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47 http://www.FreeRTOS.org - Documentation, books, training, latest versions,
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48 license and Real Time Engineers Ltd. contact details.
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50 http://www.FreeRTOS.org/plus - A selection of FreeRTOS ecosystem products,
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51 including FreeRTOS+Trace - an indispensable productivity tool, a DOS
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52 compatible FAT file system, and our tiny thread aware UDP/IP stack.
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54 http://www.OpenRTOS.com - Real Time Engineers ltd license FreeRTOS to High
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55 Integrity Systems to sell under the OpenRTOS brand. Low cost OpenRTOS
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56 licenses offer ticketed support, indemnification and middleware.
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58 http://www.SafeRTOS.com - High Integrity Systems also provide a safety
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59 engineered and independently SIL3 certified version for use in safety and
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60 mission critical applications that require provable dependability.
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67 + Added functionality to only call vTaskSwitchContext() once
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68 when handling multiple interruptsources in a single interruptcall.
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70 + Included Filenames changed to a .c extension to allow stepping through
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78 /* Scheduler include files. */
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79 #include <FreeRTOS.h>
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83 static bit uxSwitchRequested;
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86 * Vector for the ISR.
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88 void pointed Interrupt()
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91 * Save the context of the current task.
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93 portSAVE_CONTEXT( portINTERRUPTS_FORCED );
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96 * No contextswitch requested yet
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98 uxSwitchRequested = pdFALSE;
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101 * Was the interrupt the FreeRTOS SystemTick?
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103 #include <libFreeRTOS/Drivers/Tick/isrTick.c>
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105 /*******************************************************************************
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106 ** DO NOT MODIFY ANYTHING ABOVE THIS LINE
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107 ********************************************************************************
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108 ** Enter the includes for the ISR-code of the FreeRTOS drivers below.
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110 ** You cannot use local variables. Alternatives are:
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111 ** - Use static variables (Global RAM usage increases)
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112 ** - Call a function (Additional cycles are needed)
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113 ** - Use unused SFR's (preferred, no additional overhead)
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114 ** See "../Serial/isrSerialTx.c" for an example of this last option
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115 *******************************************************************************/
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120 * Was the interrupt a byte being received?
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122 #include "../Serial/isrSerialRx.c"
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126 * Was the interrupt the Tx register becoming empty?
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128 #include "../Serial/isrSerialTx.c"
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132 /*******************************************************************************
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133 ** DO NOT MODIFY ANYTHING BELOW THIS LINE
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134 *******************************************************************************/
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136 * Was a contextswitch requested by one of the
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137 * interrupthandlers?
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139 if ( uxSwitchRequested )
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141 vTaskSwitchContext();
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145 * Restore the context of the (possibly other) task.
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147 portRESTORE_CONTEXT();
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149 #pragma asmline retfie 0
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