mirror of
https://github.com/FreeRTOS/FreeRTOS-Kernel.git
synced 2025-08-20 18:18:32 -04:00
Normalize line endings and whitespace in source files
This commit is contained in:
Paul Bartell
Paul Bartell
parent
151fb04ad1
commit
01820d3ed9
574 changed files with 162626 additions and 172362 deletions
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@ -1,64 +1,63 @@
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/*
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* FreeRTOS Kernel <DEVELOPMENT BRANCH>
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* Copyright (C) 2021 Amazon.com, Inc. or its affiliates. All Rights Reserved.
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*
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* SPDX-License-Identifier: MIT
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy of
|
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* 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
|
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* COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
|
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* IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
|
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* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*
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* https://www.FreeRTOS.org
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* https://github.com/FreeRTOS
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*
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*/
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#ifndef DATA_MODEL_H
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#define DATA_MODEL_H
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#if __DATA_MODEL__ == __DATA_MODEL_SMALL__
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#define pushm_x pushm.w
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#define popm_x popm.w
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#define push_x push.w
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#define pop_x pop.w
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#define mov_x mov.w
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#define cmp_x cmp.w
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#endif
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#if __DATA_MODEL__ == __DATA_MODEL_MEDIUM__
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#define pushm_x pushm.a
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#define popm_x popm.a
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#define push_x pushx.a
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#define pop_x popx.a
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#define mov_x mov.w
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#define cmp_x cmp.w
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#endif
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#if __DATA_MODEL__ == __DATA_MODEL_LARGE__
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#define pushm_x pushm.a
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#define popm_x popm.a
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#define push_x pushx.a
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#define pop_x popx.a
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#define mov_x movx.a
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#define cmp_x cmpx.a
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#endif
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#ifndef pushm_x
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#error The assembler options must define one of the following symbols: __DATA_MODEL_SMALL__, __DATA_MODEL_MEDIUM__, or __DATA_MODEL_LARGE__
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#endif
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#endif /* DATA_MODEL_H */
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/*
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* FreeRTOS Kernel <DEVELOPMENT BRANCH>
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* Copyright (C) 2021 Amazon.com, Inc. or its affiliates. All Rights Reserved.
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*
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* SPDX-License-Identifier: MIT
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy of
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* this software and associated documentation files (the "Software"), to deal in
|
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* 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:
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*
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||||
* The above copyright notice and this permission notice shall be included in all
|
||||
* copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
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||||
* FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
|
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* COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
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* IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
|
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* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*
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* https://www.FreeRTOS.org
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* https://github.com/FreeRTOS
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*
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*/
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#ifndef DATA_MODEL_H
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#define DATA_MODEL_H
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#if __DATA_MODEL__ == __DATA_MODEL_SMALL__
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#define pushm_x pushm.w
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#define popm_x popm.w
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#define push_x push.w
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#define pop_x pop.w
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#define mov_x mov.w
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#define cmp_x cmp.w
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#endif
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#if __DATA_MODEL__ == __DATA_MODEL_MEDIUM__
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#define pushm_x pushm.a
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#define popm_x popm.a
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#define push_x pushx.a
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#define pop_x popx.a
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#define mov_x mov.w
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#define cmp_x cmp.w
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#endif
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#if __DATA_MODEL__ == __DATA_MODEL_LARGE__
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#define pushm_x pushm.a
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#define popm_x popm.a
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#define push_x pushx.a
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#define pop_x popx.a
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#define mov_x movx.a
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#define cmp_x cmpx.a
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#endif
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#ifndef pushm_x
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#error The assembler options must define one of the following symbols: __DATA_MODEL_SMALL__, __DATA_MODEL_MEDIUM__, or __DATA_MODEL_LARGE__
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#endif
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#endif /* DATA_MODEL_H */
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@ -1,183 +1,183 @@
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/*
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* FreeRTOS Kernel <DEVELOPMENT BRANCH>
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* Copyright (C) 2021 Amazon.com, Inc. or its affiliates. All Rights Reserved.
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*
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* SPDX-License-Identifier: MIT
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*
|
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* Permission is hereby granted, free of charge, to any person obtaining a copy of
|
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* this software and associated documentation files (the "Software"), to deal in
|
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* the Software without restriction, including without limitation the rights to
|
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* 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:
|
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*
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||||
* The above copyright notice and this permission notice shall be included in all
|
||||
* copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
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||||
* FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
|
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* COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
|
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* IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
|
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* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*
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* https://www.FreeRTOS.org
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* https://github.com/FreeRTOS
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*
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*/
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/* Scheduler includes. */
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#include "FreeRTOS.h"
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#include "task.h"
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/*-----------------------------------------------------------
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* Implementation of functions defined in portable.h for the MSP430X port.
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*----------------------------------------------------------*/
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/* Constants required for hardware setup. The tick ISR runs off the ACLK,
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not the MCLK. */
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#define portACLK_FREQUENCY_HZ ( ( TickType_t ) 32768 )
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#define portINITIAL_CRITICAL_NESTING ( ( uint16_t ) 10 )
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#define portFLAGS_INT_ENABLED ( ( StackType_t ) 0x08 )
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/* We require the address of the pxCurrentTCB variable, but don't want to know
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any details of its type. */
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typedef void TCB_t;
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extern volatile TCB_t * volatile pxCurrentTCB;
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/* Each task maintains a count of the critical section nesting depth. Each
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time a critical section is entered the count is incremented. Each time a
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critical section is exited the count is decremented - with interrupts only
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being re-enabled if the count is zero.
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usCriticalNesting will get set to zero when the scheduler starts, but must
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not be initialised to zero as this will cause problems during the startup
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sequence. */
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volatile uint16_t usCriticalNesting = portINITIAL_CRITICAL_NESTING;
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/*-----------------------------------------------------------*/
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/*
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* Sets up the periodic ISR used for the RTOS tick. This uses timer 0, but
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* could have alternatively used the watchdog timer or timer 1.
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*/
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void vPortSetupTimerInterrupt( void );
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/*-----------------------------------------------------------*/
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/*
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* Initialise the stack of a task to look exactly as if a call to
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* portSAVE_CONTEXT had been called.
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*
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* See the header file portable.h.
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*/
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StackType_t *pxPortInitialiseStack( StackType_t *pxTopOfStack, TaskFunction_t pxCode, void *pvParameters )
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{
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uint16_t *pusTopOfStack;
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uint32_t *pulTopOfStack;
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/*
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Place a few bytes of known values on the bottom of the stack.
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This is just useful for debugging and can be included if required.
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*pxTopOfStack = ( StackType_t ) 0x1111;
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pxTopOfStack--;
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*pxTopOfStack = ( StackType_t ) 0x2222;
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pxTopOfStack--;
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*pxTopOfStack = ( StackType_t ) 0x3333;
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*/
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/* StackType_t is either 16 bits or 32 bits depending on the data model.
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Some stacked items do not change size depending on the data model so have
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to be explicitly cast to the correct size so this function will work
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whichever data model is being used. */
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if( sizeof( StackType_t ) == sizeof( uint16_t ) )
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{
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/* Make room for a 20 bit value stored as a 32 bit value. */
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pusTopOfStack = ( uint16_t * ) pxTopOfStack;
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pusTopOfStack--;
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pulTopOfStack = ( uint32_t * ) pusTopOfStack;
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}
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else
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{
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pulTopOfStack = ( uint32_t * ) pxTopOfStack;
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}
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*pulTopOfStack = ( uint32_t ) pxCode;
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pusTopOfStack = ( uint16_t * ) pulTopOfStack;
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pusTopOfStack--;
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*pusTopOfStack = portFLAGS_INT_ENABLED;
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pusTopOfStack -= ( sizeof( StackType_t ) / 2 );
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/* From here on the size of stacked items depends on the memory model. */
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pxTopOfStack = ( StackType_t * ) pusTopOfStack;
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/* Next the general purpose registers. */
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#ifdef PRELOAD_REGISTER_VALUES
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*pxTopOfStack = ( StackType_t ) 0xffff;
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pxTopOfStack--;
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*pxTopOfStack = ( StackType_t ) 0xeeee;
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pxTopOfStack--;
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*pxTopOfStack = ( StackType_t ) 0xdddd;
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pxTopOfStack--;
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*pxTopOfStack = ( StackType_t ) pvParameters;
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pxTopOfStack--;
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*pxTopOfStack = ( StackType_t ) 0xbbbb;
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pxTopOfStack--;
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*pxTopOfStack = ( StackType_t ) 0xaaaa;
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pxTopOfStack--;
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*pxTopOfStack = ( StackType_t ) 0x9999;
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pxTopOfStack--;
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*pxTopOfStack = ( StackType_t ) 0x8888;
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pxTopOfStack--;
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*pxTopOfStack = ( StackType_t ) 0x5555;
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pxTopOfStack--;
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*pxTopOfStack = ( StackType_t ) 0x6666;
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pxTopOfStack--;
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*pxTopOfStack = ( StackType_t ) 0x5555;
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pxTopOfStack--;
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*pxTopOfStack = ( StackType_t ) 0x4444;
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pxTopOfStack--;
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#else
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pxTopOfStack -= 3;
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*pxTopOfStack = ( StackType_t ) pvParameters;
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pxTopOfStack -= 9;
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#endif
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/* A variable is used to keep track of the critical section nesting.
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This variable has to be stored as part of the task context and is
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initially set to zero. */
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*pxTopOfStack = ( StackType_t ) portNO_CRITICAL_SECTION_NESTING;
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/* Return a pointer to the top of the stack we have generated so this can
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be stored in the task control block for the task. */
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return pxTopOfStack;
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}
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/*-----------------------------------------------------------*/
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void vPortEndScheduler( void )
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{
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/* It is unlikely that the MSP430 port will get stopped. If required simply
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disable the tick interrupt here. */
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}
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/*-----------------------------------------------------------*/
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/*
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* Hardware initialisation to generate the RTOS tick.
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*/
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void vPortSetupTimerInterrupt( void )
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{
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vApplicationSetupTimerInterrupt();
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}
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/*-----------------------------------------------------------*/
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#pragma vector=configTICK_VECTOR
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__interrupt __raw void vTickISREntry( void )
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{
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extern void vPortTickISR( void );
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__bic_SR_register_on_exit( SCG1 + SCG0 + OSCOFF + CPUOFF );
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vPortTickISR();
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}
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/*
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* FreeRTOS Kernel <DEVELOPMENT BRANCH>
|
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* Copyright (C) 2021 Amazon.com, Inc. or its affiliates. All Rights Reserved.
|
||||
*
|
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* SPDX-License-Identifier: MIT
|
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*
|
||||
* 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
|
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* https://github.com/FreeRTOS
|
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*
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*/
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/* Scheduler includes. */
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#include "FreeRTOS.h"
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#include "task.h"
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/*-----------------------------------------------------------
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* Implementation of functions defined in portable.h for the MSP430X port.
|
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*----------------------------------------------------------*/
|
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|
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/* Constants required for hardware setup. The tick ISR runs off the ACLK,
|
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not the MCLK. */
|
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#define portACLK_FREQUENCY_HZ ( ( TickType_t ) 32768 )
|
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#define portINITIAL_CRITICAL_NESTING ( ( uint16_t ) 10 )
|
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#define portFLAGS_INT_ENABLED ( ( StackType_t ) 0x08 )
|
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|
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/* We require the address of the pxCurrentTCB variable, but don't want to know
|
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any details of its type. */
|
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typedef void TCB_t;
|
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extern volatile TCB_t * volatile pxCurrentTCB;
|
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|
||||
/* Each task maintains a count of the critical section nesting depth. Each
|
||||
time a critical section is entered the count is incremented. Each time a
|
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critical section is exited the count is decremented - with interrupts only
|
||||
being re-enabled if the count is zero.
|
||||
|
||||
usCriticalNesting will get set to zero when the scheduler starts, but must
|
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not be initialised to zero as this will cause problems during the startup
|
||||
sequence. */
|
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volatile uint16_t usCriticalNesting = portINITIAL_CRITICAL_NESTING;
|
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/*-----------------------------------------------------------*/
|
||||
|
||||
|
||||
/*
|
||||
* Sets up the periodic ISR used for the RTOS tick. This uses timer 0, but
|
||||
* could have alternatively used the watchdog timer or timer 1.
|
||||
*/
|
||||
void vPortSetupTimerInterrupt( void );
|
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/*-----------------------------------------------------------*/
|
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|
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/*
|
||||
* Initialise the stack of a task to look exactly as if a call to
|
||||
* portSAVE_CONTEXT had been called.
|
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*
|
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* See the header file portable.h.
|
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*/
|
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StackType_t *pxPortInitialiseStack( StackType_t *pxTopOfStack, TaskFunction_t pxCode, void *pvParameters )
|
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{
|
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uint16_t *pusTopOfStack;
|
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uint32_t *pulTopOfStack;
|
||||
|
||||
/*
|
||||
Place a few bytes of known values on the bottom of the stack.
|
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This is just useful for debugging and can be included if required.
|
||||
|
||||
*pxTopOfStack = ( StackType_t ) 0x1111;
|
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pxTopOfStack--;
|
||||
*pxTopOfStack = ( StackType_t ) 0x2222;
|
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pxTopOfStack--;
|
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*pxTopOfStack = ( StackType_t ) 0x3333;
|
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*/
|
||||
|
||||
/* StackType_t is either 16 bits or 32 bits depending on the data model.
|
||||
Some stacked items do not change size depending on the data model so have
|
||||
to be explicitly cast to the correct size so this function will work
|
||||
whichever data model is being used. */
|
||||
if( sizeof( StackType_t ) == sizeof( uint16_t ) )
|
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{
|
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/* Make room for a 20 bit value stored as a 32 bit value. */
|
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pusTopOfStack = ( uint16_t * ) pxTopOfStack;
|
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pusTopOfStack--;
|
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pulTopOfStack = ( uint32_t * ) pusTopOfStack;
|
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}
|
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else
|
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{
|
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pulTopOfStack = ( uint32_t * ) pxTopOfStack;
|
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}
|
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*pulTopOfStack = ( uint32_t ) pxCode;
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|
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pusTopOfStack = ( uint16_t * ) pulTopOfStack;
|
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pusTopOfStack--;
|
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*pusTopOfStack = portFLAGS_INT_ENABLED;
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pusTopOfStack -= ( sizeof( StackType_t ) / 2 );
|
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|
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/* From here on the size of stacked items depends on the memory model. */
|
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pxTopOfStack = ( StackType_t * ) pusTopOfStack;
|
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|
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/* Next the general purpose registers. */
|
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#ifdef PRELOAD_REGISTER_VALUES
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*pxTopOfStack = ( StackType_t ) 0xffff;
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pxTopOfStack--;
|
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*pxTopOfStack = ( StackType_t ) 0xeeee;
|
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pxTopOfStack--;
|
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*pxTopOfStack = ( StackType_t ) 0xdddd;
|
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pxTopOfStack--;
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*pxTopOfStack = ( StackType_t ) pvParameters;
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pxTopOfStack--;
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*pxTopOfStack = ( StackType_t ) 0xbbbb;
|
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pxTopOfStack--;
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*pxTopOfStack = ( StackType_t ) 0xaaaa;
|
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pxTopOfStack--;
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*pxTopOfStack = ( StackType_t ) 0x9999;
|
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pxTopOfStack--;
|
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*pxTopOfStack = ( StackType_t ) 0x8888;
|
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pxTopOfStack--;
|
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*pxTopOfStack = ( StackType_t ) 0x5555;
|
||||
pxTopOfStack--;
|
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*pxTopOfStack = ( StackType_t ) 0x6666;
|
||||
pxTopOfStack--;
|
||||
*pxTopOfStack = ( StackType_t ) 0x5555;
|
||||
pxTopOfStack--;
|
||||
*pxTopOfStack = ( StackType_t ) 0x4444;
|
||||
pxTopOfStack--;
|
||||
#else
|
||||
pxTopOfStack -= 3;
|
||||
*pxTopOfStack = ( StackType_t ) pvParameters;
|
||||
pxTopOfStack -= 9;
|
||||
#endif
|
||||
|
||||
|
||||
/* A variable is used to keep track of the critical section nesting.
|
||||
This variable has to be stored as part of the task context and is
|
||||
initially set to zero. */
|
||||
*pxTopOfStack = ( StackType_t ) portNO_CRITICAL_SECTION_NESTING;
|
||||
|
||||
/* Return a pointer to the top of the stack we have generated so this can
|
||||
be stored in the task control block for the task. */
|
||||
return pxTopOfStack;
|
||||
}
|
||||
/*-----------------------------------------------------------*/
|
||||
|
||||
void vPortEndScheduler( void )
|
||||
{
|
||||
/* It is unlikely that the MSP430 port will get stopped. If required simply
|
||||
disable the tick interrupt here. */
|
||||
}
|
||||
/*-----------------------------------------------------------*/
|
||||
|
||||
/*
|
||||
* Hardware initialisation to generate the RTOS tick.
|
||||
*/
|
||||
void vPortSetupTimerInterrupt( void )
|
||||
{
|
||||
vApplicationSetupTimerInterrupt();
|
||||
}
|
||||
/*-----------------------------------------------------------*/
|
||||
|
||||
#pragma vector=configTICK_VECTOR
|
||||
__interrupt __raw void vTickISREntry( void )
|
||||
{
|
||||
extern void vPortTickISR( void );
|
||||
|
||||
__bic_SR_register_on_exit( SCG1 + SCG0 + OSCOFF + CPUOFF );
|
||||
vPortTickISR();
|
||||
}
|
||||
|
||||
|
||||
|
|
|
|||
|
|
@ -1,139 +1,138 @@
|
|||
/*
|
||||
* 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
|
||||
*
|
||||
*/
|
||||
#include "msp430.h"
|
||||
#include "FreeRTOSConfig.h"
|
||||
#include "data_model.h"
|
||||
|
||||
IMPORT xTaskIncrementTick
|
||||
IMPORT vTaskSwitchContext
|
||||
IMPORT vPortSetupTimerInterrupt
|
||||
IMPORT pxCurrentTCB
|
||||
IMPORT usCriticalNesting
|
||||
|
||||
EXPORT vPortTickISR
|
||||
EXPORT vPortYield
|
||||
EXPORT xPortStartScheduler
|
||||
|
||||
portSAVE_CONTEXT macro
|
||||
|
||||
/* Save the remaining registers. */
|
||||
pushm_x #12, r15
|
||||
mov.w &usCriticalNesting, r14
|
||||
push_x r14
|
||||
mov_x &pxCurrentTCB, r12
|
||||
mov_x sp, 0( r12 )
|
||||
endm
|
||||
/*-----------------------------------------------------------*/
|
||||
|
||||
portRESTORE_CONTEXT macro
|
||||
|
||||
mov_x &pxCurrentTCB, r12
|
||||
mov_x @r12, sp
|
||||
pop_x r15
|
||||
mov.w r15, &usCriticalNesting
|
||||
popm_x #12, r15
|
||||
nop
|
||||
pop.w sr
|
||||
nop
|
||||
reta
|
||||
endm
|
||||
/*-----------------------------------------------------------*/
|
||||
|
||||
|
||||
/*
|
||||
* The RTOS tick ISR.
|
||||
*
|
||||
* If the cooperative scheduler is in use this simply increments the tick
|
||||
* count.
|
||||
*
|
||||
* If the preemptive scheduler is in use a context switch can also occur.
|
||||
*/
|
||||
|
||||
RSEG CODE
|
||||
EVEN
|
||||
|
||||
vPortTickISR:
|
||||
|
||||
/* The sr is not saved in portSAVE_CONTEXT() because vPortYield() needs
|
||||
to save it manually before it gets modified (interrupts get disabled).
|
||||
Entering through this interrupt means the SR is already on the stack, but
|
||||
this keeps the stack frames identical. */
|
||||
push.w sr
|
||||
portSAVE_CONTEXT
|
||||
|
||||
calla #xTaskIncrementTick
|
||||
cmp.w #0x0, R12
|
||||
jeq SkipContextSwitch
|
||||
calla #vTaskSwitchContext
|
||||
SkipContextSwitch:
|
||||
portRESTORE_CONTEXT
|
||||
/*-----------------------------------------------------------*/
|
||||
|
||||
/*
|
||||
* Manual context switch called by the portYIELD() macro.
|
||||
*/
|
||||
EVEN
|
||||
|
||||
vPortYield:
|
||||
|
||||
/* The sr needs saving before it is modified. */
|
||||
push.w sr
|
||||
|
||||
/* Now the SR is stacked interrupts can be disabled. */
|
||||
dint
|
||||
nop
|
||||
|
||||
/* Save the context of the current task. */
|
||||
portSAVE_CONTEXT
|
||||
|
||||
/* Select the next task to run. */
|
||||
calla #vTaskSwitchContext
|
||||
|
||||
/* Restore the context of the new task. */
|
||||
portRESTORE_CONTEXT
|
||||
/*-----------------------------------------------------------*/
|
||||
|
||||
|
||||
/*
|
||||
* Start off the scheduler by initialising the RTOS tick timer, then restoring
|
||||
* the context of the first task.
|
||||
*/
|
||||
EVEN
|
||||
|
||||
xPortStartScheduler:
|
||||
|
||||
/* Setup the hardware to generate the tick. Interrupts are disabled
|
||||
when this function is called. */
|
||||
calla #vPortSetupTimerInterrupt
|
||||
|
||||
/* Restore the context of the first task that is going to run. */
|
||||
portRESTORE_CONTEXT
|
||||
/*-----------------------------------------------------------*/
|
||||
|
||||
END
|
||||
|
||||
/*
|
||||
* 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
|
||||
*
|
||||
*/
|
||||
#include "msp430.h"
|
||||
#include "FreeRTOSConfig.h"
|
||||
#include "data_model.h"
|
||||
|
||||
IMPORT xTaskIncrementTick
|
||||
IMPORT vTaskSwitchContext
|
||||
IMPORT vPortSetupTimerInterrupt
|
||||
IMPORT pxCurrentTCB
|
||||
IMPORT usCriticalNesting
|
||||
|
||||
EXPORT vPortTickISR
|
||||
EXPORT vPortYield
|
||||
EXPORT xPortStartScheduler
|
||||
|
||||
portSAVE_CONTEXT macro
|
||||
|
||||
/* Save the remaining registers. */
|
||||
pushm_x #12, r15
|
||||
mov.w &usCriticalNesting, r14
|
||||
push_x r14
|
||||
mov_x &pxCurrentTCB, r12
|
||||
mov_x sp, 0( r12 )
|
||||
endm
|
||||
/*-----------------------------------------------------------*/
|
||||
|
||||
portRESTORE_CONTEXT macro
|
||||
|
||||
mov_x &pxCurrentTCB, r12
|
||||
mov_x @r12, sp
|
||||
pop_x r15
|
||||
mov.w r15, &usCriticalNesting
|
||||
popm_x #12, r15
|
||||
nop
|
||||
pop.w sr
|
||||
nop
|
||||
reta
|
||||
endm
|
||||
/*-----------------------------------------------------------*/
|
||||
|
||||
|
||||
/*
|
||||
* The RTOS tick ISR.
|
||||
*
|
||||
* If the cooperative scheduler is in use this simply increments the tick
|
||||
* count.
|
||||
*
|
||||
* If the preemptive scheduler is in use a context switch can also occur.
|
||||
*/
|
||||
|
||||
RSEG CODE
|
||||
EVEN
|
||||
|
||||
vPortTickISR:
|
||||
|
||||
/* The sr is not saved in portSAVE_CONTEXT() because vPortYield() needs
|
||||
to save it manually before it gets modified (interrupts get disabled).
|
||||
Entering through this interrupt means the SR is already on the stack, but
|
||||
this keeps the stack frames identical. */
|
||||
push.w sr
|
||||
portSAVE_CONTEXT
|
||||
|
||||
calla #xTaskIncrementTick
|
||||
cmp.w #0x0, R12
|
||||
jeq SkipContextSwitch
|
||||
calla #vTaskSwitchContext
|
||||
SkipContextSwitch:
|
||||
portRESTORE_CONTEXT
|
||||
/*-----------------------------------------------------------*/
|
||||
|
||||
/*
|
||||
* Manual context switch called by the portYIELD() macro.
|
||||
*/
|
||||
EVEN
|
||||
|
||||
vPortYield:
|
||||
|
||||
/* The sr needs saving before it is modified. */
|
||||
push.w sr
|
||||
|
||||
/* Now the SR is stacked interrupts can be disabled. */
|
||||
dint
|
||||
nop
|
||||
|
||||
/* Save the context of the current task. */
|
||||
portSAVE_CONTEXT
|
||||
|
||||
/* Select the next task to run. */
|
||||
calla #vTaskSwitchContext
|
||||
|
||||
/* Restore the context of the new task. */
|
||||
portRESTORE_CONTEXT
|
||||
/*-----------------------------------------------------------*/
|
||||
|
||||
|
||||
/*
|
||||
* Start off the scheduler by initialising the RTOS tick timer, then restoring
|
||||
* the context of the first task.
|
||||
*/
|
||||
EVEN
|
||||
|
||||
xPortStartScheduler:
|
||||
|
||||
/* Setup the hardware to generate the tick. Interrupts are disabled
|
||||
when this function is called. */
|
||||
calla #vPortSetupTimerInterrupt
|
||||
|
||||
/* Restore the context of the first task that is going to run. */
|
||||
portRESTORE_CONTEXT
|
||||
/*-----------------------------------------------------------*/
|
||||
|
||||
END
|
||||
|
|
|
|||
|
|
@ -1,143 +1,142 @@
|
|||
/*
|
||||
* 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
|
||||
*
|
||||
*/
|
||||
|
||||
#ifndef PORTMACRO_H
|
||||
#define PORTMACRO_H
|
||||
|
||||
/*-----------------------------------------------------------
|
||||
* Port specific definitions.
|
||||
*
|
||||
* The settings in this file configure FreeRTOS correctly for the
|
||||
* given hardware and compiler.
|
||||
*
|
||||
* These settings should not be altered.
|
||||
*-----------------------------------------------------------
|
||||
*/
|
||||
|
||||
/* Hardware includes. */
|
||||
#include "msp430.h"
|
||||
|
||||
/* Type definitions. */
|
||||
#define portCHAR char
|
||||
#define portFLOAT float
|
||||
#define portDOUBLE double
|
||||
#define portLONG long
|
||||
#define portSHORT int
|
||||
#define portBASE_TYPE short
|
||||
|
||||
/* The stack type changes depending on the data model. */
|
||||
#if( __DATA_MODEL__ == __DATA_MODEL_SMALL__ )
|
||||
#define portSTACK_TYPE uint16_t
|
||||
#define portPOINTER_SIZE_TYPE uint16_t
|
||||
#else
|
||||
#define portSTACK_TYPE uint32_t
|
||||
#endif
|
||||
|
||||
typedef portSTACK_TYPE StackType_t;
|
||||
typedef short BaseType_t;
|
||||
typedef unsigned short UBaseType_t;
|
||||
|
||||
#if( configUSE_16_BIT_TICKS == 1 )
|
||||
typedef uint16_t TickType_t;
|
||||
#define portMAX_DELAY ( TickType_t ) 0xffff
|
||||
#else
|
||||
typedef uint32_t TickType_t;
|
||||
#define portMAX_DELAY ( TickType_t ) 0xffffffffUL
|
||||
#endif
|
||||
|
||||
/*-----------------------------------------------------------*/
|
||||
|
||||
/* Interrupt control macros. */
|
||||
#define portDISABLE_INTERRUPTS() _DINT(); _NOP()
|
||||
#define portENABLE_INTERRUPTS() _EINT(); _NOP()
|
||||
/*-----------------------------------------------------------*/
|
||||
|
||||
/* Critical section control macros. */
|
||||
#define portNO_CRITICAL_SECTION_NESTING ( ( uint16_t ) 0 )
|
||||
|
||||
#define portENTER_CRITICAL() \
|
||||
{ \
|
||||
extern volatile uint16_t usCriticalNesting; \
|
||||
\
|
||||
portDISABLE_INTERRUPTS(); \
|
||||
\
|
||||
/* Now interrupts are disabled usCriticalNesting can be accessed */ \
|
||||
/* directly. Increment ulCriticalNesting to keep a count of how many */ \
|
||||
/* times portENTER_CRITICAL() has been called. */ \
|
||||
usCriticalNesting++; \
|
||||
}
|
||||
|
||||
#define portEXIT_CRITICAL() \
|
||||
{ \
|
||||
extern volatile uint16_t usCriticalNesting; \
|
||||
\
|
||||
if( usCriticalNesting > portNO_CRITICAL_SECTION_NESTING ) \
|
||||
{ \
|
||||
/* Decrement the nesting count as we are leaving a critical section. */ \
|
||||
usCriticalNesting--; \
|
||||
\
|
||||
/* If the nesting level has reached zero then interrupts should be */ \
|
||||
/* re-enabled. */ \
|
||||
if( usCriticalNesting == portNO_CRITICAL_SECTION_NESTING ) \
|
||||
{ \
|
||||
portENABLE_INTERRUPTS(); \
|
||||
} \
|
||||
} \
|
||||
}
|
||||
/*-----------------------------------------------------------*/
|
||||
|
||||
/* Task utilities. */
|
||||
|
||||
/*
|
||||
* Manual context switch called by portYIELD or taskYIELD.
|
||||
*/
|
||||
extern void vPortYield( void );
|
||||
#define portYIELD() vPortYield()
|
||||
/*-----------------------------------------------------------*/
|
||||
|
||||
/* Hardware specifics. */
|
||||
#define portBYTE_ALIGNMENT 2
|
||||
#define portSTACK_GROWTH ( -1 )
|
||||
#define portTICK_PERIOD_MS ( ( TickType_t ) 1000 / configTICK_RATE_HZ )
|
||||
#define portNOP() __no_operation()
|
||||
/*-----------------------------------------------------------*/
|
||||
|
||||
/* Task function macros as described on the FreeRTOS.org WEB site. */
|
||||
#define portTASK_FUNCTION_PROTO( vFunction, pvParameters ) void vFunction( void *pvParameters )
|
||||
#define portTASK_FUNCTION( vFunction, pvParameters ) void vFunction( void *pvParameters )
|
||||
|
||||
#define portYIELD_FROM_ISR( x ) do { if( x ) vPortYield(); } while( 0 )
|
||||
|
||||
void vApplicationSetupTimerInterrupt( void );
|
||||
|
||||
/* sizeof( int ) != sizeof( long ) so a full printf() library is required if
|
||||
run time stats information is to be displayed. */
|
||||
#define portLU_PRINTF_SPECIFIER_REQUIRED
|
||||
|
||||
#endif /* PORTMACRO_H */
|
||||
|
||||
/*
|
||||
* 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
|
||||
*
|
||||
*/
|
||||
|
||||
#ifndef PORTMACRO_H
|
||||
#define PORTMACRO_H
|
||||
|
||||
/*-----------------------------------------------------------
|
||||
* Port specific definitions.
|
||||
*
|
||||
* The settings in this file configure FreeRTOS correctly for the
|
||||
* given hardware and compiler.
|
||||
*
|
||||
* These settings should not be altered.
|
||||
*-----------------------------------------------------------
|
||||
*/
|
||||
|
||||
/* Hardware includes. */
|
||||
#include "msp430.h"
|
||||
|
||||
/* Type definitions. */
|
||||
#define portCHAR char
|
||||
#define portFLOAT float
|
||||
#define portDOUBLE double
|
||||
#define portLONG long
|
||||
#define portSHORT int
|
||||
#define portBASE_TYPE short
|
||||
|
||||
/* The stack type changes depending on the data model. */
|
||||
#if( __DATA_MODEL__ == __DATA_MODEL_SMALL__ )
|
||||
#define portSTACK_TYPE uint16_t
|
||||
#define portPOINTER_SIZE_TYPE uint16_t
|
||||
#else
|
||||
#define portSTACK_TYPE uint32_t
|
||||
#endif
|
||||
|
||||
typedef portSTACK_TYPE StackType_t;
|
||||
typedef short BaseType_t;
|
||||
typedef unsigned short UBaseType_t;
|
||||
|
||||
#if( configUSE_16_BIT_TICKS == 1 )
|
||||
typedef uint16_t TickType_t;
|
||||
#define portMAX_DELAY ( TickType_t ) 0xffff
|
||||
#else
|
||||
typedef uint32_t TickType_t;
|
||||
#define portMAX_DELAY ( TickType_t ) 0xffffffffUL
|
||||
#endif
|
||||
|
||||
/*-----------------------------------------------------------*/
|
||||
|
||||
/* Interrupt control macros. */
|
||||
#define portDISABLE_INTERRUPTS() _DINT(); _NOP()
|
||||
#define portENABLE_INTERRUPTS() _EINT(); _NOP()
|
||||
/*-----------------------------------------------------------*/
|
||||
|
||||
/* Critical section control macros. */
|
||||
#define portNO_CRITICAL_SECTION_NESTING ( ( uint16_t ) 0 )
|
||||
|
||||
#define portENTER_CRITICAL() \
|
||||
{ \
|
||||
extern volatile uint16_t usCriticalNesting; \
|
||||
\
|
||||
portDISABLE_INTERRUPTS(); \
|
||||
\
|
||||
/* Now interrupts are disabled usCriticalNesting can be accessed */ \
|
||||
/* directly. Increment ulCriticalNesting to keep a count of how many */ \
|
||||
/* times portENTER_CRITICAL() has been called. */ \
|
||||
usCriticalNesting++; \
|
||||
}
|
||||
|
||||
#define portEXIT_CRITICAL() \
|
||||
{ \
|
||||
extern volatile uint16_t usCriticalNesting; \
|
||||
\
|
||||
if( usCriticalNesting > portNO_CRITICAL_SECTION_NESTING ) \
|
||||
{ \
|
||||
/* Decrement the nesting count as we are leaving a critical section. */ \
|
||||
usCriticalNesting--; \
|
||||
\
|
||||
/* If the nesting level has reached zero then interrupts should be */ \
|
||||
/* re-enabled. */ \
|
||||
if( usCriticalNesting == portNO_CRITICAL_SECTION_NESTING ) \
|
||||
{ \
|
||||
portENABLE_INTERRUPTS(); \
|
||||
} \
|
||||
} \
|
||||
}
|
||||
/*-----------------------------------------------------------*/
|
||||
|
||||
/* Task utilities. */
|
||||
|
||||
/*
|
||||
* Manual context switch called by portYIELD or taskYIELD.
|
||||
*/
|
||||
extern void vPortYield( void );
|
||||
#define portYIELD() vPortYield()
|
||||
/*-----------------------------------------------------------*/
|
||||
|
||||
/* Hardware specifics. */
|
||||
#define portBYTE_ALIGNMENT 2
|
||||
#define portSTACK_GROWTH ( -1 )
|
||||
#define portTICK_PERIOD_MS ( ( TickType_t ) 1000 / configTICK_RATE_HZ )
|
||||
#define portNOP() __no_operation()
|
||||
/*-----------------------------------------------------------*/
|
||||
|
||||
/* Task function macros as described on the FreeRTOS.org WEB site. */
|
||||
#define portTASK_FUNCTION_PROTO( vFunction, pvParameters ) void vFunction( void *pvParameters )
|
||||
#define portTASK_FUNCTION( vFunction, pvParameters ) void vFunction( void *pvParameters )
|
||||
|
||||
#define portYIELD_FROM_ISR( x ) do { if( x ) vPortYield(); } while( 0 )
|
||||
|
||||
void vApplicationSetupTimerInterrupt( void );
|
||||
|
||||
/* sizeof( int ) != sizeof( long ) so a full printf() library is required if
|
||||
run time stats information is to be displayed. */
|
||||
#define portLU_PRINTF_SPECIFIER_REQUIRED
|
||||
|
||||
#endif /* PORTMACRO_H */
|
||||
|
|
|
|||
Loading…
Add table
Add a link
Reference in a new issue