2 FreeRTOS V8.2.2 - Copyright (C) 2015 Real Time Engineers Ltd.
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5 VISIT http://www.FreeRTOS.org TO ENSURE YOU ARE USING THE LATEST VERSION.
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7 This file is part of the FreeRTOS distribution.
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9 FreeRTOS is free software; you can redistribute it and/or modify it under
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10 the terms of the GNU General Public License (version 2) as published by the
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11 Free Software Foundation >>!AND MODIFIED BY!<< the FreeRTOS exception.
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13 ***************************************************************************
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14 >>! NOTE: The modification to the GPL is included to allow you to !<<
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15 >>! distribute a combined work that includes FreeRTOS without being !<<
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16 >>! obliged to provide the source code for proprietary components !<<
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17 >>! outside of the FreeRTOS kernel. !<<
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18 ***************************************************************************
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20 FreeRTOS is distributed in the hope that it will be useful, but WITHOUT ANY
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21 WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
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22 FOR A PARTICULAR PURPOSE. Full license text is available on the following
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23 link: http://www.freertos.org/a00114.html
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25 ***************************************************************************
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27 * FreeRTOS provides completely free yet professionally developed, *
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28 * robust, strictly quality controlled, supported, and cross *
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29 * platform software that is more than just the market leader, it *
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30 * is the industry's de facto standard. *
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32 * Help yourself get started quickly while simultaneously helping *
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33 * to support the FreeRTOS project by purchasing a FreeRTOS *
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34 * tutorial book, reference manual, or both: *
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35 * http://www.FreeRTOS.org/Documentation *
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37 ***************************************************************************
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39 http://www.FreeRTOS.org/FAQHelp.html - Having a problem? Start by reading
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40 the FAQ page "My application does not run, what could be wrong?". Have you
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41 defined configASSERT()?
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43 http://www.FreeRTOS.org/support - In return for receiving this top quality
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44 embedded software for free we request you assist our global community by
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45 participating in the support forum.
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47 http://www.FreeRTOS.org/training - Investing in training allows your team to
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48 be as productive as possible as early as possible. Now you can receive
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49 FreeRTOS training directly from Richard Barry, CEO of Real Time Engineers
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50 Ltd, and the world's leading authority on the world's leading RTOS.
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52 http://www.FreeRTOS.org/plus - A selection of FreeRTOS ecosystem products,
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53 including FreeRTOS+Trace - an indispensable productivity tool, a DOS
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54 compatible FAT file system, and our tiny thread aware UDP/IP stack.
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56 http://www.FreeRTOS.org/labs - Where new FreeRTOS products go to incubate.
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57 Come and try FreeRTOS+TCP, our new open source TCP/IP stack for FreeRTOS.
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59 http://www.OpenRTOS.com - Real Time Engineers ltd. license FreeRTOS to High
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60 Integrity Systems ltd. to sell under the OpenRTOS brand. Low cost OpenRTOS
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61 licenses offer ticketed support, indemnification and commercial middleware.
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63 http://www.SafeRTOS.com - High Integrity Systems also provide a safety
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64 engineered and independently SIL3 certified version for use in safety and
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65 mission critical applications that require provable dependability.
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72 + Added functionality to only call vTaskSwitchContext() once
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73 when handling multiple interruptsources in a single interruptcall.
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75 + Included Filenames changed to a .c extension to allow stepping through
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83 /* Scheduler include files. */
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84 #include <FreeRTOS.h>
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88 static bit uxSwitchRequested;
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91 * Vector for the ISR.
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93 void pointed Interrupt()
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96 * Save the context of the current task.
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98 portSAVE_CONTEXT( portINTERRUPTS_FORCED );
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101 * No contextswitch requested yet
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103 uxSwitchRequested = pdFALSE;
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106 * Was the interrupt the FreeRTOS SystemTick?
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108 #include <libFreeRTOS/Drivers/Tick/isrTick.c>
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110 /*******************************************************************************
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111 ** DO NOT MODIFY ANYTHING ABOVE THIS LINE
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112 ********************************************************************************
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113 ** Enter the includes for the ISR-code of the FreeRTOS drivers below.
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115 ** You cannot use local variables. Alternatives are:
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116 ** - Use static variables (Global RAM usage increases)
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117 ** - Call a function (Additional cycles are needed)
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118 ** - Use unused SFR's (preferred, no additional overhead)
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119 ** See "../Serial/isrSerialTx.c" for an example of this last option
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120 *******************************************************************************/
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128 /*******************************************************************************
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129 ** DO NOT MODIFY ANYTHING BELOW THIS LINE
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130 *******************************************************************************/
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132 * Was a contextswitch requested by one of the
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133 * interrupthandlers?
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135 if ( uxSwitchRequested )
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137 vTaskSwitchContext();
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141 * Restore the context of the (possibly other) task.
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143 portRESTORE_CONTEXT();
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145 #pragma asmline retfie 0
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