mirror of
https://github.com/FreeRTOS/FreeRTOS-Kernel.git
synced 2025-08-19 17:48:33 -04:00
Update to V4.0.4. Add in STR912 port and demo.
This commit is contained in:
Richard Barry
parent
05023971cb
commit
3dcbed5763
445 changed files with 30007 additions and 331 deletions
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/*
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FreeRTOS.org V4.0.3 - Copyright (C) 2003-2006 Richard Barry.
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FreeRTOS.org V4.0.4 - Copyright (C) 2003-2006 Richard Barry.
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This file is part of the FreeRTOS.org distribution.
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@ -1,5 +1,5 @@
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/*
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FreeRTOS.org V4.0.3 - Copyright (C) 2003-2006 Richard Barry.
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FreeRTOS.org V4.0.4 - Copyright (C) 2003-2006 Richard Barry.
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This file is part of the FreeRTOS.org distribution.
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@ -1,5 +1,5 @@
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/*
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FreeRTOS.org V4.0.3 - Copyright (C) 2003-2006 Richard Barry.
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FreeRTOS.org V4.0.4 - Copyright (C) 2003-2006 Richard Barry.
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This file is part of the FreeRTOS.org distribution.
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@ -1,5 +1,5 @@
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/*
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FreeRTOS.org V4.0.3 - Copyright (C) 2003-2006 Richard Barry.
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FreeRTOS.org V4.0.4 - Copyright (C) 2003-2006 Richard Barry.
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This file is part of the FreeRTOS.org distribution.
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@ -1,5 +1,5 @@
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/*
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FreeRTOS.org V4.0.3 - Copyright (C) 2003-2006 Richard Barry.
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FreeRTOS.org V4.0.4 - Copyright (C) 2003-2006 Richard Barry.
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This file is part of the FreeRTOS.org distribution.
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@ -101,6 +101,10 @@
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#include "..\..\Source\portable\IAR\STR71x\portmacro.h"
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#endif
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#ifdef STR91X_IAR
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#include "..\..\Source\portable\IAR\STR91x\portmacro.h"
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#endif
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#ifdef GCC_H8S
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#include "../../Source/portable/GCC/H8S2329/portmacro.h"
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#endif
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@ -1,5 +1,5 @@
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/*
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FreeRTOS.org V4.0.3 - Copyright (C) 2003-2006 Richard Barry.
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FreeRTOS.org V4.0.4 - Copyright (C) 2003-2006 Richard Barry.
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This file is part of the FreeRTOS.org distribution.
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@ -1,5 +1,5 @@
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/*
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FreeRTOS.org V4.0.3 - Copyright (C) 2003-2006 Richard Barry.
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FreeRTOS.org V4.0.4 - Copyright (C) 2003-2006 Richard Barry.
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This file is part of the FreeRTOS.org distribution.
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@ -1,5 +1,5 @@
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/*
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FreeRTOS.org V4.0.3 - Copyright (C) 2003-2006 Richard Barry.
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FreeRTOS.org V4.0.4 - Copyright (C) 2003-2006 Richard Barry.
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This file is part of the FreeRTOS.org distribution.
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@ -1,5 +1,5 @@
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/*
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FreeRTOS.org V4.0.3 - Copyright (C) 2003-2006 Richard Barry.
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FreeRTOS.org V4.0.4 - Copyright (C) 2003-2006 Richard Barry.
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This file is part of the FreeRTOS.org distribution.
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@ -40,7 +40,7 @@
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* MACROS AND DEFINITIONS
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*----------------------------------------------------------*/
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#define tskKERNEL_VERSION_NUMBER "V4.0.3"
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#define tskKERNEL_VERSION_NUMBER "V4.0.4"
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/**
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* task. h
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@ -1,5 +1,5 @@
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/*
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FreeRTOS.org V4.0.3 - Copyright (C) 2003-2006 Richard Barry.
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FreeRTOS.org V4.0.4 - Copyright (C) 2003-2006 Richard Barry.
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This file is part of the FreeRTOS.org distribution.
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@ -1,5 +1,5 @@
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/*
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FreeRTOS.org V4.0.3 - Copyright (C) 2003-2006 Richard Barry.
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FreeRTOS.org V4.0.4 - Copyright (C) 2003-2006 Richard Barry.
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This file is part of the FreeRTOS.org distribution.
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@ -1,5 +1,5 @@
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/*
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FreeRTOS.org V4.0.3 - Copyright (C) 2003-2006 Richard Barry.
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FreeRTOS.org V4.0.4 - Copyright (C) 2003-2006 Richard Barry.
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This file is part of the FreeRTOS.org distribution.
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@ -1,5 +1,5 @@
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/*
|
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FreeRTOS.org V4.0.3 - Copyright (C) 2003-2006 Richard Barry.
|
||||
FreeRTOS.org V4.0.4 - Copyright (C) 2003-2006 Richard Barry.
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||||
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This file is part of the FreeRTOS.org distribution.
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@ -1,5 +1,5 @@
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/*
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||||
FreeRTOS.org V4.0.3 - Copyright (C) 2003-2006 Richard Barry.
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||||
FreeRTOS.org V4.0.4 - Copyright (C) 2003-2006 Richard Barry.
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This file is part of the FreeRTOS.org distribution.
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@ -1,5 +1,5 @@
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/*
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FreeRTOS.org V4.0.3 - Copyright (C) 2003-2006 Richard Barry.
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FreeRTOS.org V4.0.4 - Copyright (C) 2003-2006 Richard Barry.
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This file is part of the FreeRTOS.org distribution.
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@ -1,5 +1,5 @@
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/*
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||||
FreeRTOS.org V4.0.3 - Copyright (C) 2003-2006 Richard Barry.
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||||
FreeRTOS.org V4.0.4 - Copyright (C) 2003-2006 Richard Barry.
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This file is part of the FreeRTOS.org distribution.
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@ -1,5 +1,5 @@
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/*
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FreeRTOS.org V4.0.3 - Copyright (C) 2003-2006 Richard Barry.
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FreeRTOS.org V4.0.4 - Copyright (C) 2003-2006 Richard Barry.
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This file is part of the FreeRTOS.org distribution.
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@ -1,5 +1,5 @@
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/*
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FreeRTOS.org V4.0.3 - Copyright (C) 2003-2006 Richard Barry.
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FreeRTOS.org V4.0.4 - Copyright (C) 2003-2006 Richard Barry.
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This file is part of the FreeRTOS.org distribution.
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@ -1,5 +1,5 @@
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/*
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FreeRTOS.org V4.0.3 - Copyright (C) 2003-2006 Richard Barry.
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FreeRTOS.org V4.0.4 - Copyright (C) 2003-2006 Richard Barry.
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This file is part of the FreeRTOS.org distribution.
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@ -1,5 +1,5 @@
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/*
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FreeRTOS.org V4.0.3 - Copyright (C) 2003-2006 Richard Barry.
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||||
FreeRTOS.org V4.0.4 - Copyright (C) 2003-2006 Richard Barry.
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||||
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||||
This file is part of the FreeRTOS.org distribution.
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@ -1,5 +1,5 @@
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/*
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||||
FreeRTOS.org V4.0.3 - Copyright (C) 2003-2006 Richard Barry.
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||||
FreeRTOS.org V4.0.4 - Copyright (C) 2003-2006 Richard Barry.
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||||
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||||
This file is part of the FreeRTOS.org distribution.
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@ -1,5 +1,5 @@
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/*
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||||
FreeRTOS.org V4.0.3 - copyright (C) 2003-2006 Richard Barry.
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||||
FreeRTOS.org V4.0.4 - copyright (C) 2003-2006 Richard Barry.
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This file is part of the FreeRTOS.org distribution.
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@ -1,5 +1,5 @@
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/*
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||||
FreeRTOS.org V4.0.3 - copyright (C) 2003-2006 Richard Barry.
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||||
FreeRTOS.org V4.0.4 - copyright (C) 2003-2006 Richard Barry.
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||||
|
||||
This file is part of the FreeRTOS.org distribution.
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@ -1,5 +1,5 @@
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/*
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FreeRTOS.org V4.0.3 - Copyright (C) 2003-2006 Richard Barry.
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||||
FreeRTOS.org V4.0.4 - Copyright (C) 2003-2006 Richard Barry.
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||||
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||||
This file is part of the FreeRTOS.org distribution.
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@ -1,5 +1,5 @@
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/*
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||||
FreeRTOS.org V4.0.3 - Copyright (C) 2003-2006 Richard Barry.
|
||||
FreeRTOS.org V4.0.4 - Copyright (C) 2003-2006 Richard Barry.
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||||
|
||||
This file is part of the FreeRTOS.org distribution.
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@ -1,5 +1,5 @@
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/*
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FreeRTOS.org V4.0.3 - Copyright (C) 2003-2006 Richard Barry.
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||||
FreeRTOS.org V4.0.4 - Copyright (C) 2003-2006 Richard Barry.
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This file is part of the FreeRTOS.org distribution.
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@ -1,5 +1,5 @@
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/*
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FreeRTOS.org V4.0.3 - Copyright (C) 2003-2006 Richard Barry.
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FreeRTOS.org V4.0.4 - Copyright (C) 2003-2006 Richard Barry.
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||||
This file is part of the FreeRTOS.org distribution.
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@ -1,5 +1,5 @@
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/*
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FreeRTOS.org V4.0.3 - Copyright (C) 2003-2006 Richard Barry.
|
||||
FreeRTOS.org V4.0.4 - Copyright (C) 2003-2006 Richard Barry.
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||||
|
||||
This file is part of the FreeRTOS.org distribution.
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@ -1,5 +1,5 @@
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/*
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FreeRTOS.org V4.0.3 - Copyright (C) 2003-2006 Richard Barry.
|
||||
FreeRTOS.org V4.0.4 - Copyright (C) 2003-2006 Richard Barry.
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||||
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||||
This file is part of the FreeRTOS.org distribution.
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@ -1,5 +1,5 @@
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/*
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FreeRTOS.org V4.0.3 - Copyright (C) 2003-2006 Richard Barry.
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FreeRTOS.org V4.0.4 - Copyright (C) 2003-2006 Richard Barry.
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||||
This file is part of the FreeRTOS.org distribution.
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@ -1,5 +1,5 @@
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/*
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FreeRTOS.org V4.0.3 - Copyright (C) 2003-2006 Richard Barry.
|
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FreeRTOS.org V4.0.4 - Copyright (C) 2003-2006 Richard Barry.
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||||
This file is part of the FreeRTOS.org distribution.
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@ -1,5 +1,5 @@
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/*
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FreeRTOS.org V4.0.3 - Copyright (C) 2003-2006 Richard Barry.
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FreeRTOS.org V4.0.4 - Copyright (C) 2003-2006 Richard Barry.
|
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This file is part of the FreeRTOS.org distribution.
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@ -1,5 +1,5 @@
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/*
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FreeRTOS.org V4.0.3 - Copyright (C) 2003-2006 Richard Barry.
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FreeRTOS.org V4.0.4 - Copyright (C) 2003-2006 Richard Barry.
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||||
This file is part of the FreeRTOS.org distribution.
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@ -1,5 +1,5 @@
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/*
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FreeRTOS.org V4.0.3 - Copyright (C) 2003 - 2005 Richard Barry.
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FreeRTOS.org V4.0.4 - Copyright (C) 2003 - 2005 Richard Barry.
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This file is part of the FreeRTOS.org distribution.
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@ -1,5 +1,5 @@
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/*
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FreeRTOS.org V4.0.3 - Copyright (C) 2003 - 2005 Richard Barry.
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FreeRTOS.org V4.0.4 - Copyright (C) 2003 - 2005 Richard Barry.
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This file is part of the FreeRTOS.org distribution.
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@ -1,5 +1,5 @@
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/*
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FreeRTOS.org V4.0.3 - Copyright (C) 2003-2006 Richard Barry.
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FreeRTOS.org V4.0.4 - Copyright (C) 2003-2006 Richard Barry.
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This file is part of the FreeRTOS.org distribution.
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@ -1,5 +1,5 @@
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/*
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FreeRTOS.org V4.0.3 - Copyright (C) 2003-2006 Richard Barry.
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FreeRTOS.org V4.0.4 - Copyright (C) 2003-2006 Richard Barry.
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This file is part of the FreeRTOS.org distribution.
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@ -1,5 +1,5 @@
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/*
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FreeRTOS.org V4.0.3 - Copyright (C) 2003-2006 Richard Barry.
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FreeRTOS.org V4.0.4 - Copyright (C) 2003-2006 Richard Barry.
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This file is part of the FreeRTOS.org distribution.
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@ -1,5 +1,5 @@
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/*
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FreeRTOS.org V4.0.3 - Copyright (C) 2003-2006 Richard Barry.
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FreeRTOS.org V4.0.4 - Copyright (C) 2003-2006 Richard Barry.
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This file is part of the FreeRTOS.org distribution.
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@ -1,5 +1,5 @@
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/*
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FreeRTOS.org V4.0.3 - Copyright (C) 2003-2006 Richard Barry.
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FreeRTOS.org V4.0.4 - Copyright (C) 2003-2006 Richard Barry.
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||||
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This file is part of the FreeRTOS.org distribution.
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@ -1,5 +1,5 @@
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/*
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FreeRTOS.org V4.0.3 - Copyright (C) 2003-2006 Richard Barry.
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FreeRTOS.org V4.0.4 - Copyright (C) 2003-2006 Richard Barry.
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This file is part of the FreeRTOS.org distribution.
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@ -1,5 +1,5 @@
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/*
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FreeRTOS.org V4.0.3 - Copyright (C) 2003-2006 Richard Barry.
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||||
FreeRTOS.org V4.0.4 - Copyright (C) 2003-2006 Richard Barry.
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This file is part of the FreeRTOS.org distribution.
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@ -1,5 +1,5 @@
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/*
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FreeRTOS.org V4.0.3 - Copyright (C) 2003-2006 Richard Barry.
|
||||
FreeRTOS.org V4.0.4 - Copyright (C) 2003-2006 Richard Barry.
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||||
|
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This file is part of the FreeRTOS.org distribution.
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@ -1,5 +1,5 @@
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/*
|
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FreeRTOS.org V4.0.3 - Copyright (C) 2003-2006 Richard Barry.
|
||||
FreeRTOS.org V4.0.4 - Copyright (C) 2003-2006 Richard Barry.
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||||
|
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This file is part of the FreeRTOS.org distribution.
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@ -1,4 +1,4 @@
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; FreeRTOS.org V4.0.3 - Copyright (C) 2003-2006 Richard Barry.
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||||
; FreeRTOS.org V4.0.4 - Copyright (C) 2003-2006 Richard Barry.
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||||
;
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; This file is part of the FreeRTOS.org distribution.
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;
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@ -1,5 +1,5 @@
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/*
|
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FreeRTOS.org V4.0.3 - Copyright (C) 2003-2006 Richard Barry.
|
||||
FreeRTOS.org V4.0.4 - Copyright (C) 2003-2006 Richard Barry.
|
||||
|
||||
This file is part of the FreeRTOS.org distribution.
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|
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|
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@ -1,5 +1,5 @@
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/*
|
||||
FreeRTOS.org V4.0.3 - Copyright (C) 2003-2006 Richard Barry.
|
||||
FreeRTOS.org V4.0.4 - Copyright (C) 2003-2006 Richard Barry.
|
||||
|
||||
This file is part of the FreeRTOS.org distribution.
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@ -1,5 +1,5 @@
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/*
|
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FreeRTOS.org V4.0.3 - Copyright (C) 2003-2006 Richard Barry.
|
||||
FreeRTOS.org V4.0.4 - Copyright (C) 2003-2006 Richard Barry.
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||||
|
||||
This file is part of the FreeRTOS.org distribution.
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@ -1,5 +1,5 @@
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/*
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FreeRTOS.org V4.0.3 - Copyright (C) 2003-2006 Richard Barry.
|
||||
FreeRTOS.org V4.0.4 - Copyright (C) 2003-2006 Richard Barry.
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||||
|
||||
This file is part of the FreeRTOS.org distribution.
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@ -1,5 +1,5 @@
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/*
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FreeRTOS.org V4.0.3 - Copyright (C) 2003-2006 Richard Barry.
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||||
FreeRTOS.org V4.0.4 - Copyright (C) 2003-2006 Richard Barry.
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||||
|
||||
This file is part of the FreeRTOS.org distribution.
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@ -1,5 +1,5 @@
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/*
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FreeRTOS.org V4.0.3 - Copyright (C) 2003-2006 Richard Barry.
|
||||
FreeRTOS.org V4.0.4 - Copyright (C) 2003-2006 Richard Barry.
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This file is part of the FreeRTOS.org distribution.
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110
Source/portable/IAR/STR91x/ISR_Support.h
Normal file
110
Source/portable/IAR/STR91x/ISR_Support.h
Normal file
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@ -0,0 +1,110 @@
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/*
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FreeRTOS.org V4.0.4 - Copyright (C) 2003-2006 Richard Barry.
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||||
This file is part of the FreeRTOS distribution.
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FreeRTOS is free software; you can redistribute it and/or modify
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||||
it under the terms of the GNU General Public License as published by
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||||
the Free Software Foundation; either version 2 of the License, or
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||||
(at your option) any later version.
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FreeRTOS is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||
GNU General Public License for more details.
|
||||
|
||||
You should have received a copy of the GNU General Public License
|
||||
along with FreeRTOS; if not, write to the Free Software
|
||||
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
|
||||
|
||||
A special exception to the GPL can be applied should you wish to distribute
|
||||
a combined work that includes FreeRTOS, without being obliged to provide
|
||||
the source code for any proprietary components. See the licensing section
|
||||
of http://www.FreeRTOS.org for full details of how and when the exception
|
||||
can be applied.
|
||||
|
||||
***************************************************************************
|
||||
See http://www.FreeRTOS.org for documentation, latest information, license
|
||||
and contact details. Please ensure to read the configuration and relevant
|
||||
port sections of the online documentation.
|
||||
***************************************************************************
|
||||
*/
|
||||
|
||||
EXTERN pxCurrentTCB
|
||||
EXTERN ulCriticalNesting
|
||||
|
||||
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
|
||||
; Context save and restore macro definitions
|
||||
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
|
||||
|
||||
portSAVE_CONTEXT MACRO
|
||||
|
||||
; Push R0 as we are going to use the register.
|
||||
STMDB SP!, {R0}
|
||||
|
||||
; Set R0 to point to the task stack pointer.
|
||||
STMDB SP, {SP}^
|
||||
NOP
|
||||
SUB SP, SP, #4
|
||||
LDMIA SP!, {R0}
|
||||
|
||||
; Push the return address onto the stack.
|
||||
STMDB R0!, {LR}
|
||||
|
||||
; Now we have saved LR we can use it instead of R0.
|
||||
MOV LR, R0
|
||||
|
||||
; Pop R0 so we can save it onto the system mode stack.
|
||||
LDMIA SP!, {R0}
|
||||
|
||||
; Push all the system mode registers onto the task stack.
|
||||
STMDB LR, {R0-LR}^
|
||||
NOP
|
||||
SUB LR, LR, #60
|
||||
|
||||
; Push the SPSR onto the task stack.
|
||||
MRS R0, SPSR
|
||||
STMDB LR!, {R0}
|
||||
|
||||
LDR R0, =ulCriticalNesting
|
||||
LDR R0, [R0]
|
||||
STMDB LR!, {R0}
|
||||
|
||||
; Store the new top of stack for the task.
|
||||
LDR R1, =pxCurrentTCB
|
||||
LDR R0, [R1]
|
||||
STR LR, [R0]
|
||||
|
||||
ENDM
|
||||
|
||||
|
||||
portRESTORE_CONTEXT MACRO
|
||||
|
||||
; Set the LR to the task stack.
|
||||
LDR R1, =pxCurrentTCB
|
||||
LDR R0, [R1]
|
||||
LDR LR, [R0]
|
||||
|
||||
; The critical nesting depth is the first item on the stack.
|
||||
; Load it into the ulCriticalNesting variable.
|
||||
LDR R0, =ulCriticalNesting
|
||||
LDMFD LR!, {R1}
|
||||
STR R1, [R0]
|
||||
|
||||
; Get the SPSR from the stack.
|
||||
LDMFD LR!, {R0}
|
||||
MSR SPSR_cxsf, R0
|
||||
|
||||
; Restore all system mode registers for the task.
|
||||
LDMFD LR, {R0-R14}^
|
||||
NOP
|
||||
|
||||
; Restore the return address.
|
||||
LDR LR, [LR, #+60]
|
||||
|
||||
; And return - correcting the offset in the LR to obtain the
|
||||
; correct address.
|
||||
SUBS PC, LR, #4
|
||||
|
||||
ENDM
|
||||
|
||||
297
Source/portable/IAR/STR91x/port.c
Normal file
297
Source/portable/IAR/STR91x/port.c
Normal file
|
|
@ -0,0 +1,297 @@
|
|||
/*
|
||||
FreeRTOS.org V4.0.4 - Copyright (C) 2003-2006 Richard Barry.
|
||||
|
||||
This file is part of the FreeRTOS distribution.
|
||||
|
||||
FreeRTOS is free software; you can redistribute it and/or modify
|
||||
it under the terms of the GNU General Public License as published by
|
||||
the Free Software Foundation; either version 2 of the License, or
|
||||
(at your option) any later version.
|
||||
|
||||
FreeRTOS is distributed in the hope that it will be useful,
|
||||
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||
GNU General Public License for more details.
|
||||
|
||||
You should have received a copy of the GNU General Public License
|
||||
along with FreeRTOS; if not, write to the Free Software
|
||||
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
|
||||
|
||||
A special exception to the GPL can be applied should you wish to distribute
|
||||
a combined work that includes FreeRTOS, without being obliged to provide
|
||||
the source code for any proprietary components. See the licensing section
|
||||
of http://www.FreeRTOS.org for full details of how and when the exception
|
||||
can be applied.
|
||||
|
||||
***************************************************************************
|
||||
See http://www.FreeRTOS.org for documentation, latest information, license
|
||||
and contact details. Please ensure to read the configuration and relevant
|
||||
port sections of the online documentation.
|
||||
***************************************************************************
|
||||
*/
|
||||
|
||||
/*-----------------------------------------------------------
|
||||
* Implementation of functions defined in portable.h for the ST STR91x ARM7
|
||||
* port.
|
||||
*----------------------------------------------------------*/
|
||||
|
||||
/* Library includes. */
|
||||
#include "91x_lib.h"
|
||||
|
||||
/* Standard includes. */
|
||||
#include <stdlib.h>
|
||||
|
||||
/* Scheduler includes. */
|
||||
#include "FreeRTOS.h"
|
||||
#include "task.h"
|
||||
|
||||
/* Constants required to setup the initial stack. */
|
||||
#ifndef _RUN_TASK_IN_ARM_MODE_
|
||||
#define portINITIAL_SPSR ( ( portSTACK_TYPE ) 0x3f ) /* System mode, THUMB mode, interrupts enabled. */
|
||||
#else
|
||||
#define portINITIAL_SPSR ( ( portSTACK_TYPE ) 0x1f ) /* System mode, ARM mode, interrupts enabled. */
|
||||
#endif
|
||||
#define portINSTRUCTION_SIZE ( ( portSTACK_TYPE ) 4 )
|
||||
|
||||
/* Constants required to handle critical sections. */
|
||||
#define portNO_CRITICAL_NESTING ( ( unsigned portLONG ) 0 )
|
||||
|
||||
|
||||
/*-----------------------------------------------------------*/
|
||||
|
||||
/* Setup the watchdog to generate the tick interrupts. */
|
||||
static void prvSetupTimerInterrupt( void );
|
||||
|
||||
/* ulCriticalNesting will get set to zero when the first task starts. It
|
||||
cannot be initialised to 0 as this will cause interrupts to be enabled
|
||||
during the kernel initialisation process. */
|
||||
unsigned portLONG ulCriticalNesting = ( unsigned portLONG ) 9999;
|
||||
|
||||
/* Tick interrupt routines for cooperative and preemptive operation
|
||||
respectively. The preemptive version is not defined as __irq as it is called
|
||||
from an asm wrapper function. */
|
||||
__arm __irq void vPortNonPreemptiveTick( void );
|
||||
void WDG_IRQHandler( void );
|
||||
|
||||
/* VIC interrupt default handler. */
|
||||
static void prvDefaultHandler( void );
|
||||
|
||||
/*-----------------------------------------------------------*/
|
||||
|
||||
/*
|
||||
* Initialise the stack of a task to look exactly as if a call to
|
||||
* portSAVE_CONTEXT had been called.
|
||||
*
|
||||
* See header file for description.
|
||||
*/
|
||||
portSTACK_TYPE *pxPortInitialiseStack( portSTACK_TYPE *pxTopOfStack, pdTASK_CODE pxCode, void *pvParameters )
|
||||
{
|
||||
portSTACK_TYPE *pxOriginalTOS;
|
||||
|
||||
pxOriginalTOS = pxTopOfStack;
|
||||
|
||||
/* Setup the initial stack of the task. The stack is set exactly as
|
||||
expected by the portRESTORE_CONTEXT() macro. */
|
||||
|
||||
/* First on the stack is the return address - which in this case is the
|
||||
start of the task. The offset is added to make the return address appear
|
||||
as it would within an IRQ ISR. */
|
||||
*pxTopOfStack = ( portSTACK_TYPE ) pxCode + portINSTRUCTION_SIZE;
|
||||
pxTopOfStack--;
|
||||
|
||||
*pxTopOfStack = ( portSTACK_TYPE ) 0xaaaaaaaa; /* R14 */
|
||||
pxTopOfStack--;
|
||||
*pxTopOfStack = ( portSTACK_TYPE ) pxOriginalTOS; /* Stack used when task starts goes in R13. */
|
||||
pxTopOfStack--;
|
||||
*pxTopOfStack = ( portSTACK_TYPE ) 0x12121212; /* R12 */
|
||||
pxTopOfStack--;
|
||||
*pxTopOfStack = ( portSTACK_TYPE ) 0x11111111; /* R11 */
|
||||
pxTopOfStack--;
|
||||
*pxTopOfStack = ( portSTACK_TYPE ) 0x10101010; /* R10 */
|
||||
pxTopOfStack--;
|
||||
*pxTopOfStack = ( portSTACK_TYPE ) 0x09090909; /* R9 */
|
||||
pxTopOfStack--;
|
||||
*pxTopOfStack = ( portSTACK_TYPE ) 0x08080808; /* R8 */
|
||||
pxTopOfStack--;
|
||||
*pxTopOfStack = ( portSTACK_TYPE ) 0x07070707; /* R7 */
|
||||
pxTopOfStack--;
|
||||
*pxTopOfStack = ( portSTACK_TYPE ) 0x06060606; /* R6 */
|
||||
pxTopOfStack--;
|
||||
*pxTopOfStack = ( portSTACK_TYPE ) 0x05050505; /* R5 */
|
||||
pxTopOfStack--;
|
||||
*pxTopOfStack = ( portSTACK_TYPE ) 0x04040404; /* R4 */
|
||||
pxTopOfStack--;
|
||||
*pxTopOfStack = ( portSTACK_TYPE ) 0x03030303; /* R3 */
|
||||
pxTopOfStack--;
|
||||
*pxTopOfStack = ( portSTACK_TYPE ) 0x02020202; /* R2 */
|
||||
pxTopOfStack--;
|
||||
*pxTopOfStack = ( portSTACK_TYPE ) 0x01010101; /* R1 */
|
||||
pxTopOfStack--;
|
||||
|
||||
/* When the task starts is will expect to find the function parameter in
|
||||
R0. */
|
||||
*pxTopOfStack = ( portSTACK_TYPE ) pvParameters; /* R0 */
|
||||
pxTopOfStack--;
|
||||
|
||||
/* The status register is set for system mode, with interrupts enabled. */
|
||||
*pxTopOfStack = ( portSTACK_TYPE ) portINITIAL_SPSR;
|
||||
pxTopOfStack--;
|
||||
|
||||
/* Interrupt flags cannot always be stored on the stack and will
|
||||
instead be stored in a variable, which is then saved as part of the
|
||||
tasks context. */
|
||||
*pxTopOfStack = portNO_CRITICAL_NESTING;
|
||||
|
||||
return pxTopOfStack;
|
||||
}
|
||||
/*-----------------------------------------------------------*/
|
||||
|
||||
portBASE_TYPE xPortStartScheduler( void )
|
||||
{
|
||||
extern void vPortStartFirstTask( void );
|
||||
|
||||
/* Start the timer that generates the tick ISR. Interrupts are disabled
|
||||
here already. */
|
||||
prvSetupTimerInterrupt();
|
||||
|
||||
/* Start the first task. */
|
||||
vPortStartFirstTask();
|
||||
|
||||
/* Should not get here! */
|
||||
return 0;
|
||||
}
|
||||
/*-----------------------------------------------------------*/
|
||||
|
||||
void vPortEndScheduler( void )
|
||||
{
|
||||
/* It is unlikely that the ARM port will require this function as there
|
||||
is nothing to return to. */
|
||||
}
|
||||
/*-----------------------------------------------------------*/
|
||||
|
||||
/* This function is called from an asm wrapper, so does not require the __irq
|
||||
keyword. */
|
||||
void WDG_IRQHandler( void )
|
||||
{
|
||||
/* Increment the tick counter. */
|
||||
vTaskIncrementTick();
|
||||
|
||||
#if configUSE_PREEMPTION == 1
|
||||
/* The new tick value might unblock a task. Ensure the highest task that
|
||||
is ready to execute is the task that will execute when the tick ISR
|
||||
exits. */
|
||||
vTaskSwitchContext();
|
||||
#endif
|
||||
|
||||
/* Clear the interrupt in the watchdog. */
|
||||
WDG->SR &= ~0x0001;
|
||||
}
|
||||
/*-----------------------------------------------------------*/
|
||||
|
||||
#ifndef abs
|
||||
#define abs(x) ((x)>0 ? (x) : -(x))
|
||||
#endif
|
||||
|
||||
static void prvFindFactors(u32 n, u16 *a, u32 *b)
|
||||
{
|
||||
/* This function is copied from the ST STR7 library and is
|
||||
copyright STMicroelectronics. Reproduced with permission. */
|
||||
|
||||
u32 b0;
|
||||
u16 a0;
|
||||
long err, err_min=n;
|
||||
|
||||
*a = a0 = ((n-1)/65536ul) + 1;
|
||||
*b = b0 = n / *a;
|
||||
|
||||
for (; *a <= 256; (*a)++)
|
||||
{
|
||||
*b = n / *a;
|
||||
err = (long)*a * (long)*b - (long)n;
|
||||
if (abs(err) > (*a / 2))
|
||||
{
|
||||
(*b)++;
|
||||
err = (long)*a * (long)*b - (long)n;
|
||||
}
|
||||
if (abs(err) < abs(err_min))
|
||||
{
|
||||
err_min = err;
|
||||
a0 = *a;
|
||||
b0 = *b;
|
||||
if (err == 0) break;
|
||||
}
|
||||
}
|
||||
|
||||
*a = a0;
|
||||
*b = b0;
|
||||
}
|
||||
/*-----------------------------------------------------------*/
|
||||
|
||||
static void prvSetupTimerInterrupt( void )
|
||||
{
|
||||
WDG_InitTypeDef xWdg;
|
||||
unsigned portSHORT a;
|
||||
unsigned portLONG n = configCPU_PERIPH_HZ / configTICK_RATE_HZ, b;
|
||||
|
||||
/* Configure the watchdog as a free running timer that generates a
|
||||
periodic interrupt. */
|
||||
|
||||
SCU_APBPeriphClockConfig( __WDG, ENABLE );
|
||||
WDG_DeInit();
|
||||
WDG_StructInit(&xWdg);
|
||||
prvFindFactors( n, &a, &b );
|
||||
xWdg.WDG_Prescaler = a - 1;
|
||||
xWdg.WDG_Preload = b - 1;
|
||||
WDG_Init( &xWdg );
|
||||
WDG_ITConfig(ENABLE);
|
||||
|
||||
/* Configure the VIC for the WDG interrupt. */
|
||||
VIC_Config( WDG_ITLine, VIC_IRQ, 10 );
|
||||
VIC_ITCmd( WDG_ITLine, ENABLE );
|
||||
|
||||
/* Install the default handlers for both VIC's. */
|
||||
VIC0->DVAR = ( unsigned portLONG ) prvDefaultHandler;
|
||||
VIC1->DVAR = ( unsigned portLONG ) prvDefaultHandler;
|
||||
|
||||
WDG_Cmd(ENABLE);
|
||||
}
|
||||
|
||||
/*-----------------------------------------------------------*/
|
||||
|
||||
__arm __interwork void vPortEnterCritical( void )
|
||||
{
|
||||
/* Disable interrupts first! */
|
||||
portDISABLE_INTERRUPTS();
|
||||
|
||||
/* Now interrupts are disabled ulCriticalNesting can be accessed
|
||||
directly. Increment ulCriticalNesting to keep a count of how many times
|
||||
portENTER_CRITICAL() has been called. */
|
||||
ulCriticalNesting++;
|
||||
}
|
||||
/*-----------------------------------------------------------*/
|
||||
|
||||
__arm __interwork void vPortExitCritical( void )
|
||||
{
|
||||
if( ulCriticalNesting > portNO_CRITICAL_NESTING )
|
||||
{
|
||||
/* Decrement the nesting count as we are leaving a critical section. */
|
||||
ulCriticalNesting--;
|
||||
|
||||
/* If the nesting level has reached zero then interrupts should be
|
||||
re-enabled. */
|
||||
if( ulCriticalNesting == portNO_CRITICAL_NESTING )
|
||||
{
|
||||
portENABLE_INTERRUPTS();
|
||||
}
|
||||
}
|
||||
}
|
||||
/*-----------------------------------------------------------*/
|
||||
|
||||
static void prvDefaultHandler( void )
|
||||
{
|
||||
}
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
65
Source/portable/IAR/STR91x/portasm.s79
Normal file
65
Source/portable/IAR/STR91x/portasm.s79
Normal file
|
|
@ -0,0 +1,65 @@
|
|||
/*
|
||||
FreeRTOS.org V4.0.4 - Copyright (C) 2003-2006 Richard Barry.
|
||||
|
||||
This file is part of the FreeRTOS distribution.
|
||||
|
||||
FreeRTOS is free software; you can redistribute it and/or modify
|
||||
it under the terms of the GNU General Public License as published by
|
||||
the Free Software Foundation; either version 2 of the License, or
|
||||
(at your option) any later version.
|
||||
|
||||
FreeRTOS is distributed in the hope that it will be useful,
|
||||
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||
GNU General Public License for more details.
|
||||
|
||||
You should have received a copy of the GNU General Public License
|
||||
along with FreeRTOS; if not, write to the Free Software
|
||||
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
|
||||
|
||||
A special exception to the GPL can be applied should you wish to distribute
|
||||
a combined work that includes FreeRTOS, without being obliged to provide
|
||||
the source code for any proprietary components. See the licensing section
|
||||
of http://www.FreeRTOS.org for full details of how and when the exception
|
||||
can be applied.
|
||||
|
||||
***************************************************************************
|
||||
See http://www.FreeRTOS.org for documentation, latest information, license
|
||||
and contact details. Please ensure to read the configuration and relevant
|
||||
port sections of the online documentation.
|
||||
***************************************************************************
|
||||
*/
|
||||
|
||||
RSEG ICODE:CODE
|
||||
CODE32
|
||||
|
||||
EXTERN vTaskSwitchContext
|
||||
|
||||
PUBLIC vPortYieldProcessor
|
||||
PUBLIC vPortStartFirstTask
|
||||
|
||||
#include "ISR_Support.h"
|
||||
|
||||
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
|
||||
; Starting the first task is just a matter of restoring the context that
|
||||
; was created by pxPortInitialiseStack().
|
||||
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
|
||||
vPortStartFirstTask:
|
||||
portRESTORE_CONTEXT
|
||||
|
||||
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
|
||||
; Manual context switch function. This is the SWI hander.
|
||||
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
|
||||
vPortYieldProcessor:
|
||||
ADD LR, LR, #4 ; Add 4 to the LR to make the LR appear exactly
|
||||
; as if the context was saved during and IRQ
|
||||
; handler.
|
||||
|
||||
portSAVE_CONTEXT ; Save the context of the current task...
|
||||
LDR R0, =vTaskSwitchContext ; before selecting the next task to execute.
|
||||
MOV lr, pc
|
||||
BX R0
|
||||
portRESTORE_CONTEXT ; Restore the context of the selected task.
|
||||
|
||||
END
|
||||
|
||||
108
Source/portable/IAR/STR91x/portmacro.h
Normal file
108
Source/portable/IAR/STR91x/portmacro.h
Normal file
|
|
@ -0,0 +1,108 @@
|
|||
/*
|
||||
FreeRTOS.org V4.0.4 - Copyright (C) 2003-2006 Richard Barry.
|
||||
|
||||
This file is part of the FreeRTOS distribution.
|
||||
|
||||
FreeRTOS is free software; you can redistribute it and/or modify
|
||||
it under the terms of the GNU General Public License as published by
|
||||
the Free Software Foundation; either version 2 of the License, or
|
||||
(at your option) any later version.
|
||||
|
||||
FreeRTOS is distributed in the hope that it will be useful,
|
||||
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||
GNU General Public License for more details.
|
||||
|
||||
You should have received a copy of the GNU General Public License
|
||||
along with FreeRTOS; if not, write to the Free Software
|
||||
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
|
||||
|
||||
A special exception to the GPL can be applied should you wish to distribute
|
||||
a combined work that includes FreeRTOS, without being obliged to provide
|
||||
the source code for any proprietary components. See the licensing section
|
||||
of http://www.FreeRTOS.org for full details of how and when the exception
|
||||
can be applied.
|
||||
|
||||
***************************************************************************
|
||||
See http://www.FreeRTOS.org for documentation, latest information, license
|
||||
and contact details. Please ensure to read the configuration and relevant
|
||||
port sections of the online documentation.
|
||||
***************************************************************************
|
||||
*/
|
||||
|
||||
|
||||
#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.
|
||||
*-----------------------------------------------------------
|
||||
*/
|
||||
|
||||
#include <intrinsic.h>
|
||||
|
||||
/* Type definitions. */
|
||||
#define portCHAR char
|
||||
#define portFLOAT float
|
||||
#define portDOUBLE double
|
||||
#define portLONG long
|
||||
#define portSHORT short
|
||||
#define portSTACK_TYPE unsigned portLONG
|
||||
#define portBASE_TYPE portLONG
|
||||
|
||||
#if( configUSE_16_BIT_TICKS == 1 )
|
||||
typedef unsigned portSHORT portTickType;
|
||||
#define portMAX_DELAY ( portTickType ) 0xffff
|
||||
#else
|
||||
typedef unsigned portLONG portTickType;
|
||||
#define portMAX_DELAY ( portTickType ) 0xffffffff
|
||||
#endif
|
||||
/*-----------------------------------------------------------*/
|
||||
|
||||
/* Hardware specifics. */
|
||||
#define portSTACK_GROWTH ( -1 )
|
||||
#define portTICK_RATE_MS ( ( portTickType ) 1000 / configTICK_RATE_HZ )
|
||||
#define portBYTE_ALIGNMENT 4
|
||||
#define portYIELD() asm ( "SWI 0" )
|
||||
#define portNOP() asm ( "NOP" )
|
||||
/*-----------------------------------------------------------*/
|
||||
|
||||
/* Critical section handling. */
|
||||
__arm __interwork void vPortEnterCritical( void );
|
||||
__arm __interwork void vPortExitCritical( void );
|
||||
#define portENTER_CRITICAL() vPortEnterCritical()
|
||||
#define portEXIT_CRITICAL() vPortExitCritical()
|
||||
|
||||
#define portDISABLE_INTERRUPTS() __disable_interrupt()
|
||||
#define portENABLE_INTERRUPTS() __enable_interrupt()
|
||||
|
||||
|
||||
/*-----------------------------------------------------------*/
|
||||
|
||||
/* Task utilities. */
|
||||
#define portEND_SWITCHING_ISR( xSwitchRequired ) \
|
||||
{ \
|
||||
extern void vTaskSwitchContext( void ); \
|
||||
\
|
||||
if( xSwitchRequired ) \
|
||||
{ \
|
||||
vTaskSwitchContext(); \
|
||||
} \
|
||||
}
|
||||
/*-----------------------------------------------------------*/
|
||||
|
||||
/* Compiler specifics */
|
||||
#define inline
|
||||
|
||||
/* 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 )
|
||||
|
||||
#endif /* PORTMACRO_H */
|
||||
|
||||
|
||||
|
|
@ -1,5 +1,5 @@
|
|||
/*
|
||||
FreeRTOS.org V4.0.3 - Copyright (C) 2003-2006 Richard Barry.
|
||||
FreeRTOS.org V4.0.4 - Copyright (C) 2003-2006 Richard Barry.
|
||||
|
||||
This file is part of the FreeRTOS.org distribution.
|
||||
|
||||
|
|
|
|||
|
|
@ -1,5 +1,5 @@
|
|||
/*
|
||||
FreeRTOS.org V4.0.3 - Copyright (C) 2003-2006 Richard Barry.
|
||||
FreeRTOS.org V4.0.4 - Copyright (C) 2003-2006 Richard Barry.
|
||||
|
||||
This file is part of the FreeRTOS.org distribution.
|
||||
|
||||
|
|
|
|||
|
|
@ -1,5 +1,5 @@
|
|||
/*
|
||||
FreeRTOS.org V4.0.3 - Copyright (C) 2003-2006 Richard Barry.
|
||||
FreeRTOS.org V4.0.4 - Copyright (C) 2003-2006 Richard Barry.
|
||||
|
||||
This file is part of the FreeRTOS.org distribution.
|
||||
|
||||
|
|
|
|||
|
|
@ -1,5 +1,5 @@
|
|||
/*
|
||||
FreeRTOS.org V4.0.3 - Copyright (C) 2003-2006 Richard Barry.
|
||||
FreeRTOS.org V4.0.4 - Copyright (C) 2003-2006 Richard Barry.
|
||||
|
||||
This file is part of the FreeRTOS.org distribution.
|
||||
|
||||
|
|
|
|||
|
|
@ -1,5 +1,5 @@
|
|||
/*
|
||||
FreeRTOS.org V4.0.3 - Copyright (C) 2003-2006 Richard Barry.
|
||||
FreeRTOS.org V4.0.4 - Copyright (C) 2003-2006 Richard Barry.
|
||||
|
||||
This file is part of the FreeRTOS.org distribution.
|
||||
|
||||
|
|
|
|||
|
|
@ -1,5 +1,5 @@
|
|||
/*
|
||||
FreeRTOS.org V4.0.3 - Copyright (C) 2003-2006 Richard Barry.
|
||||
FreeRTOS.org V4.0.4 - Copyright (C) 2003-2006 Richard Barry.
|
||||
|
||||
This file is part of the FreeRTOS.org distribution.
|
||||
|
||||
|
|
|
|||
|
|
@ -1,5 +1,5 @@
|
|||
/*
|
||||
FreeRTOS.org V4.0.3 - Copyright (C) 2003-2006 Richard Barry.
|
||||
FreeRTOS.org V4.0.4 - Copyright (C) 2003-2006 Richard Barry.
|
||||
|
||||
This file is part of the FreeRTOS.org distribution.
|
||||
|
||||
|
|
|
|||
|
|
@ -1,5 +1,5 @@
|
|||
/*
|
||||
FreeRTOS.org V4.0.3 - Copyright (C) 2003-2006 Richard Barry.
|
||||
FreeRTOS.org V4.0.4 - Copyright (C) 2003-2006 Richard Barry.
|
||||
|
||||
This file is part of the FreeRTOS.org distribution.
|
||||
|
||||
|
|
|
|||
|
|
@ -1,5 +1,5 @@
|
|||
/*
|
||||
FreeRTOS.org V4.0.3 - Copyright (C) 2003-2006 Richard Barry.
|
||||
FreeRTOS.org V4.0.4 - Copyright (C) 2003-2006 Richard Barry.
|
||||
|
||||
This file is part of the FreeRTOS.org distribution.
|
||||
|
||||
|
|
|
|||
|
|
@ -1,5 +1,5 @@
|
|||
/*
|
||||
FreeRTOS.org V4.0.3 - Copyright (C) 2003-2006 Richard Barry.
|
||||
FreeRTOS.org V4.0.4 - Copyright (C) 2003-2006 Richard Barry.
|
||||
|
||||
This file is part of the FreeRTOS.org distribution.
|
||||
|
||||
|
|
|
|||
|
|
@ -1,5 +1,5 @@
|
|||
/*
|
||||
FreeRTOS.org V4.0.3 - Copyright (C) 2003-2006 Richard Barry.
|
||||
FreeRTOS.org V4.0.4 - Copyright (C) 2003-2006 Richard Barry.
|
||||
|
||||
This file is part of the FreeRTOS.org distribution.
|
||||
|
||||
|
|
|
|||
|
|
@ -1,5 +1,5 @@
|
|||
/*
|
||||
FreeRTOS.org V4.0.3 - Copyright (C) 2003-2006 Richard Barry.
|
||||
FreeRTOS.org V4.0.4 - Copyright (C) 2003-2006 Richard Barry.
|
||||
|
||||
This file is part of the FreeRTOS.org distribution.
|
||||
|
||||
|
|
|
|||
|
|
@ -1,5 +1,5 @@
|
|||
/*
|
||||
FreeRTOS.org V4.0.3 - Copyright (C) 2003-2006 Richard Barry.
|
||||
FreeRTOS.org V4.0.4 - Copyright (C) 2003-2006 Richard Barry.
|
||||
|
||||
This file is part of the FreeRTOS.org distribution.
|
||||
|
||||
|
|
|
|||
|
|
@ -1,5 +1,5 @@
|
|||
/*
|
||||
FreeRTOS.org V4.0.3 - Copyright (C) 2003-2006 Richard Barry.
|
||||
FreeRTOS.org V4.0.4 - Copyright (C) 2003-2006 Richard Barry.
|
||||
|
||||
This file is part of the FreeRTOS.org distribution.
|
||||
|
||||
|
|
|
|||
|
|
@ -1,5 +1,5 @@
|
|||
/*
|
||||
FreeRTOS.org V4.0.3 - Copyright (C) 2003-2006 Richard Barry.
|
||||
FreeRTOS.org V4.0.4 - Copyright (C) 2003-2006 Richard Barry.
|
||||
|
||||
This file is part of the FreeRTOS.org distribution.
|
||||
|
||||
|
|
|
|||
|
|
@ -1,5 +1,5 @@
|
|||
/*
|
||||
FreeRTOS.org V4.0.3 - Copyright (C) 2003-2006 Richard Barry.
|
||||
FreeRTOS.org V4.0.4 - Copyright (C) 2003-2006 Richard Barry.
|
||||
|
||||
This file is part of the FreeRTOS.org distribution.
|
||||
|
||||
|
|
|
|||
|
|
@ -1,5 +1,5 @@
|
|||
/*
|
||||
FreeRTOS.org V4.0.3 - Copyright (C) 2003-2006 Richard Barry.
|
||||
FreeRTOS.org V4.0.4 - Copyright (C) 2003-2006 Richard Barry.
|
||||
|
||||
This file is part of the FreeRTOS.org distribution.
|
||||
|
||||
|
|
|
|||
|
|
@ -1,5 +1,5 @@
|
|||
/*
|
||||
FreeRTOS.org V4.0.3 - Copyright (C) 2003-2006 Richard Barry.
|
||||
FreeRTOS.org V4.0.4 - Copyright (C) 2003-2006 Richard Barry.
|
||||
|
||||
This file is part of the FreeRTOS.org distribution.
|
||||
|
||||
|
|
|
|||
|
|
@ -1,5 +1,5 @@
|
|||
/*
|
||||
FreeRTOS.org V4.0.3 - Copyright (C) 2003-2006 Richard Barry.
|
||||
FreeRTOS.org V4.0.4 - Copyright (C) 2003-2006 Richard Barry.
|
||||
|
||||
This file is part of the FreeRTOS.org distribution.
|
||||
|
||||
|
|
|
|||
|
|
@ -1,5 +1,5 @@
|
|||
/*
|
||||
FreeRTOS.org V4.0.3 - Copyright (C) 2003-2006 Richard Barry.
|
||||
FreeRTOS.org V4.0.4 - Copyright (C) 2003-2006 Richard Barry.
|
||||
|
||||
This file is part of the FreeRTOS.org distribution.
|
||||
|
||||
|
|
|
|||
|
|
@ -1,5 +1,5 @@
|
|||
/*
|
||||
FreeRTOS.org V4.0.3 - Copyright (C) 2003-2006 Richard Barry.
|
||||
FreeRTOS.org V4.0.4 - Copyright (C) 2003-2006 Richard Barry.
|
||||
|
||||
This file is part of the FreeRTOS.org distribution.
|
||||
|
||||
|
|
|
|||
|
|
@ -1,5 +1,5 @@
|
|||
/*
|
||||
FreeRTOS.org V4.0.3 - Copyright (C) 2003-2006 Richard Barry.
|
||||
FreeRTOS.org V4.0.4 - Copyright (C) 2003-2006 Richard Barry.
|
||||
|
||||
This file is part of the FreeRTOS.org distribution.
|
||||
|
||||
|
|
|
|||
|
|
@ -1,5 +1,5 @@
|
|||
/*
|
||||
FreeRTOS.org V4.0.3 - Copyright (C) 2003-2006 Richard Barry.
|
||||
FreeRTOS.org V4.0.4 - Copyright (C) 2003-2006 Richard Barry.
|
||||
|
||||
This file is part of the FreeRTOS.org distribution.
|
||||
|
||||
|
|
|
|||
|
|
@ -1,5 +1,5 @@
|
|||
/*
|
||||
FreeRTOS.org V4.0.3 - Copyright (C) 2003-2006 Richard Barry.
|
||||
FreeRTOS.org V4.0.4 - Copyright (C) 2003-2006 Richard Barry.
|
||||
|
||||
This file is part of the FreeRTOS.org distribution.
|
||||
|
||||
|
|
|
|||
|
|
@ -1,5 +1,5 @@
|
|||
/*
|
||||
FreeRTOS.org V4.0.3 - Copyright (C) 2003-2006 Richard Barry.
|
||||
FreeRTOS.org V4.0.4 - Copyright (C) 2003-2006 Richard Barry.
|
||||
|
||||
This file is part of the FreeRTOS.org distribution.
|
||||
|
||||
|
|
|
|||
|
|
@ -1,5 +1,5 @@
|
|||
/*
|
||||
FreeRTOS.org V4.0.3 - Copyright (C) 2003-2006 Richard Barry.
|
||||
FreeRTOS.org V4.0.4 - Copyright (C) 2003-2006 Richard Barry.
|
||||
|
||||
This file is part of the FreeRTOS.org distribution.
|
||||
|
||||
|
|
|
|||
|
|
@ -1,5 +1,5 @@
|
|||
/*
|
||||
FreeRTOS.org V4.0.3 - Copyright (C) 2003-2006 Richard Barry.
|
||||
FreeRTOS.org V4.0.4 - Copyright (C) 2003-2006 Richard Barry.
|
||||
|
||||
This file is part of the FreeRTOS.org distribution.
|
||||
|
||||
|
|
|
|||
|
|
@ -1,5 +1,5 @@
|
|||
/*
|
||||
FreeRTOS.org V4.0.3 - Copyright (C) 2003-2006 Richard Barry.
|
||||
FreeRTOS.org V4.0.4 - Copyright (C) 2003-2006 Richard Barry.
|
||||
|
||||
This file is part of the FreeRTOS.org distribution.
|
||||
|
||||
|
|
|
|||
|
|
@ -1,5 +1,5 @@
|
|||
/*
|
||||
FreeRTOS.org V4.0.3 - Copyright (C) 2003-2006 Richard Barry.
|
||||
FreeRTOS.org V4.0.4 - Copyright (C) 2003-2006 Richard Barry.
|
||||
|
||||
This file is part of the FreeRTOS.org distribution.
|
||||
|
||||
|
|
|
|||
|
|
@ -1,5 +1,5 @@
|
|||
/*
|
||||
FreeRTOS.org V4.0.3 - Copyright (C) 2003-2006 Richard Barry.
|
||||
FreeRTOS.org V4.0.4 - Copyright (C) 2003-2006 Richard Barry.
|
||||
|
||||
This file is part of the FreeRTOS.org distribution.
|
||||
|
||||
|
|
|
|||
|
|
@ -1,5 +1,5 @@
|
|||
/*
|
||||
FreeRTOS.org V4.0.3 - Copyright (C) 2003-2006 Richard Barry.
|
||||
FreeRTOS.org V4.0.4 - Copyright (C) 2003-2006 Richard Barry.
|
||||
|
||||
This file is part of the FreeRTOS.org distribution.
|
||||
|
||||
|
|
|
|||
|
|
@ -1,5 +1,5 @@
|
|||
/*
|
||||
FreeRTOS.org V4.0.3 - Copyright (C) 2003-2006 Richard Barry.
|
||||
FreeRTOS.org V4.0.4 - Copyright (C) 2003-2006 Richard Barry.
|
||||
|
||||
This file is part of the FreeRTOS.org distribution.
|
||||
|
||||
|
|
|
|||
|
|
@ -1,5 +1,5 @@
|
|||
/*
|
||||
FreeRTOS.org V4.0.3 - Copyright (C) 2003-2006 Richard Barry.
|
||||
FreeRTOS.org V4.0.4 - Copyright (C) 2003-2006 Richard Barry.
|
||||
|
||||
This file is part of the FreeRTOS.org distribution.
|
||||
|
||||
|
|
|
|||
|
|
@ -1,5 +1,5 @@
|
|||
/*
|
||||
FreeRTOS.org V4.0.3 - Copyright (C) 2003-2006 Richard Barry.
|
||||
FreeRTOS.org V4.0.4 - Copyright (C) 2003-2006 Richard Barry.
|
||||
|
||||
This file is part of the FreeRTOS.org distribution.
|
||||
|
||||
|
|
|
|||
|
|
@ -1,5 +1,5 @@
|
|||
/*
|
||||
FreeRTOS.org V4.0.3 - Copyright (C) 2003-2006 Richard Barry.
|
||||
FreeRTOS.org V4.0.4 - Copyright (C) 2003-2006 Richard Barry.
|
||||
|
||||
This file is part of the FreeRTOS.org distribution.
|
||||
|
||||
|
|
|
|||
|
|
@ -1,5 +1,5 @@
|
|||
/*
|
||||
FreeRTOS.org V4.0.3 - Copyright (C) 2003-2006 Richard Barry.
|
||||
FreeRTOS.org V4.0.4 - Copyright (C) 2003-2006 Richard Barry.
|
||||
|
||||
This file is part of the FreeRTOS.org distribution.
|
||||
|
||||
|
|
|
|||
|
|
@ -1,5 +1,5 @@
|
|||
/*
|
||||
FreeRTOS.org V4.0.3 - Copyright (C) 2003-2006 Richard Barry.
|
||||
FreeRTOS.org V4.0.4 - Copyright (C) 2003-2006 Richard Barry.
|
||||
|
||||
This file is part of the FreeRTOS.org distribution.
|
||||
|
||||
|
|
|
|||
|
|
@ -1,5 +1,5 @@
|
|||
/*
|
||||
FreeRTOS.org V4.0.3 - Copyright (C) 2003-2006 Richard Barry.
|
||||
FreeRTOS.org V4.0.4 - Copyright (C) 2003-2006 Richard Barry.
|
||||
|
||||
This file is part of the FreeRTOS.org distribution.
|
||||
|
||||
|
|
|
|||
|
|
@ -1,5 +1,5 @@
|
|||
/*
|
||||
FreeRTOS.org V4.0.3 - Copyright (C) 2003-2006 Richard Barry.
|
||||
FreeRTOS.org V4.0.4 - Copyright (C) 2003-2006 Richard Barry.
|
||||
|
||||
This file is part of the FreeRTOS.org distribution.
|
||||
|
||||
|
|
@ -159,6 +159,11 @@ Changes from V4.0.1
|
|||
+ The tick hook function is now called only within a tick isr. Previously
|
||||
it was also called when the tick function was called during the scheduler
|
||||
unlocking process.
|
||||
|
||||
Changes from V4.0.4
|
||||
|
||||
+ Extra checks have been placed in vTaskPrioritySet() to avoid unnecessary
|
||||
yields.
|
||||
*/
|
||||
|
||||
#include <stdio.h>
|
||||
|
|
@ -788,7 +793,7 @@ static unsigned portBASE_TYPE uxTaskNumber = 0; /*lint !e956 Static is deliberat
|
|||
void vTaskPrioritySet( xTaskHandle pxTask, unsigned portBASE_TYPE uxNewPriority )
|
||||
{
|
||||
tskTCB *pxTCB;
|
||||
unsigned portBASE_TYPE uxCurrentPriority;
|
||||
unsigned portBASE_TYPE uxCurrentPriority, xYieldRequired = pdFALSE;
|
||||
|
||||
/* Ensure the new priority is valid. */
|
||||
if( uxNewPriority >= configMAX_PRIORITIES )
|
||||
|
|
@ -805,6 +810,26 @@ static unsigned portBASE_TYPE uxTaskNumber = 0; /*lint !e956 Static is deliberat
|
|||
|
||||
if( uxCurrentPriority != uxNewPriority )
|
||||
{
|
||||
/* The priority change may have readied a task of higher
|
||||
priority than the calling task. */
|
||||
if( uxNewPriority > pxCurrentTCB->uxPriority )
|
||||
{
|
||||
if( pxTask != NULL )
|
||||
{
|
||||
/* The priority of another task is being raised. If we
|
||||
were raising the priority of the currently running task
|
||||
there would be no need to switch as it must have already
|
||||
been the highest priority task. */
|
||||
xYieldRequired = pdTRUE;
|
||||
}
|
||||
}
|
||||
else if( pxTask == NULL )
|
||||
{
|
||||
/* Setting our own priority down means there may now be another
|
||||
task of higher priority that is ready to execute. */
|
||||
xYieldRequired = pdTRUE;
|
||||
}
|
||||
|
||||
pxTCB->uxPriority = uxNewPriority;
|
||||
|
||||
/* If the task is in the blocked or suspended list we need do
|
||||
|
|
@ -827,13 +852,14 @@ static unsigned portBASE_TYPE uxTaskNumber = 0; /*lint !e956 Static is deliberat
|
|||
vListInsertEnd( ( xList * ) &( xPendingReadyList ), &( pxTCB->xEventListItem ) );
|
||||
}
|
||||
}
|
||||
|
||||
if( xYieldRequired == pdTRUE )
|
||||
{
|
||||
taskYIELD();
|
||||
}
|
||||
}
|
||||
}
|
||||
taskEXIT_CRITICAL();
|
||||
|
||||
/* The priority change may have readied a task of higher
|
||||
priority than the calling task. */
|
||||
taskYIELD();
|
||||
}
|
||||
|
||||
#endif
|
||||
|
|
|
|||
Loading…
Add table
Add a link
Reference in a new issue