| /* |
| * FreeRTOS Kernel <DEVELOPMENT BRANCH> |
| * Copyright (C) 2021 Amazon.com, Inc. or its affiliates. All Rights Reserved. |
| * |
| * SPDX-License-Identifier: MIT |
| * |
| * Permission is hereby granted, free of charge, to any person obtaining a copy of |
| * this software and associated documentation files (the "Software"), to deal in |
| * the Software without restriction, including without limitation the rights to |
| * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of |
| * the Software, and to permit persons to whom the Software is furnished to do so, |
| * subject to the following conditions: |
| * |
| * The above copyright notice and this permission notice shall be included in all |
| * copies or substantial portions of the Software. |
| * |
| * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
| * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS |
| * FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR |
| * COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER |
| * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN |
| * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. |
| * |
| * https://www.FreeRTOS.org |
| * https://github.com/FreeRTOS |
| * |
| */ |
| |
| /* |
| * Changes from V3.0.0 |
| + ISRcode pulled inline to reduce stack-usage. |
| + |
| + Added functionality to only call vTaskSwitchContext() once |
| + when handling multiple interruptsources in a single interruptcall. |
| + |
| + Filename changed to a .c extension to allow stepping through code |
| + using F7. |
| + |
| + Changes from V3.0.1 |
| */ |
| |
| /* |
| * ISR for the tick. |
| * This increments the tick count and, if using the preemptive scheduler, |
| * performs a context switch. This must be identical to the manual |
| * context switch in how it stores the context of a task. |
| */ |
| |
| #ifndef _FREERTOS_DRIVERS_TICK_ISRTICK_C |
| #define _FREERTOS_DRIVERS_TICK_ISRTICK_C |
| |
| { |
| /* |
| * Was the interrupt the SystemClock? |
| */ |
| if( bCCP1IF && bCCP1IE ) |
| { |
| /* |
| * Reset the interrupt flag |
| */ |
| bCCP1IF = 0; |
| |
| /* |
| * Maintain the tick count. |
| */ |
| if( xTaskIncrementTick() != pdFALSE ) |
| { |
| /* |
| * Ask for a switch to the highest priority task |
| * that is ready to run. |
| */ |
| uxSwitchRequested = pdTRUE; |
| } |
| } |
| } |
| |
| #pragma wizcpp uselib "$__PATHNAME__/Tick.c" |
| |
| #endif /* _FREERTOS_DRIVERS_TICK_ISRTICK_C */ |