2 * FreeRTOS Kernel V10.1.0
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3 * Copyright (C) 2017 Amazon.com, Inc. or its affiliates. All Rights Reserved.
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5 * Permission is hereby granted, free of charge, to any person obtaining a copy of
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6 * this software and associated documentation files (the "Software"), to deal in
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7 * the Software without restriction, including without limitation the rights to
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8 * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
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9 * the Software, and to permit persons to whom the Software is furnished to do so,
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10 * subject to the following conditions:
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12 * The above copyright notice and this permission notice shall be included in all
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13 * copies or substantial portions of the Software.
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15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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16 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
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17 * FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
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18 * COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
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19 * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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20 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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22 * http://www.FreeRTOS.org
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23 * http://aws.amazon.com/freertos
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25 * 1 tab == 4 spaces!
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30 + Added functionality to only call vTaskSwitchContext() once
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31 when handling multiple interruptsources in a single interruptcall.
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33 + Included Filenames changed to a .c extension to allow stepping through
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41 /* Scheduler include files. */
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42 #include <FreeRTOS.h>
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46 static bit uxSwitchRequested;
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49 * Vector for the ISR.
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51 void pointed Interrupt()
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54 * Save the context of the current task.
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56 portSAVE_CONTEXT( portINTERRUPTS_FORCED );
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59 * No contextswitch requested yet
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61 uxSwitchRequested = pdFALSE;
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64 * Was the interrupt the FreeRTOS SystemTick?
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66 #include <libFreeRTOS/Drivers/Tick/isrTick.c>
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68 /*******************************************************************************
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69 ** DO NOT MODIFY ANYTHING ABOVE THIS LINE
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70 ********************************************************************************
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71 ** Enter the includes for the ISR-code of the FreeRTOS drivers below.
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73 ** You cannot use local variables. Alternatives are:
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74 ** - Use static variables (Global RAM usage increases)
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75 ** - Call a function (Additional cycles are needed)
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76 ** - Use unused SFR's (preferred, no additional overhead)
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77 ** See "../Serial/isrSerialTx.c" for an example of this last option
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78 *******************************************************************************/
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86 /*******************************************************************************
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87 ** DO NOT MODIFY ANYTHING BELOW THIS LINE
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88 *******************************************************************************/
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90 * Was a contextswitch requested by one of the
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91 * interrupthandlers?
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93 if ( uxSwitchRequested )
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95 vTaskSwitchContext();
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99 * Restore the context of the (possibly other) task.
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101 portRESTORE_CONTEXT();
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103 #pragma asmline retfie 0
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