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CI-CD Updates (#768)
* Use new version of CI-CD Actions * Use cSpell spell check, and use ubuntu-20.04 for formatting check * Format and spell check all files in the portable directory * Remove the https:// from #errors and #warnings as uncrustify attempts to change it to /* * Use checkout@v3 instead of checkout@v2 on all jobs ---------
This commit is contained in:
Soren Ptak
GitHub
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485 changed files with 108790 additions and 107581 deletions
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@ -27,27 +27,27 @@
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*/
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/*
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Changes from V1.00:
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+ Call to taskYIELD() from within tick ISR has been replaced by the more
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efficient portSWITCH_CONTEXT().
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+ ISR function definitions renamed to include the prv prefix.
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Changes from V1.2.0:
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+ prvPortResetPIC() is now called last thing before the end of the
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preemptive tick routine.
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Changes from V2.6.1
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+ Replaced the sUsingPreemption variable with the configUSE_PREEMPTION
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macro to be consistent with the later ports.
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Changes from V4.0.1
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+ Add function prvSetTickFrequencyDefault() to set the DOS tick back to
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its proper value when the scheduler exits.
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*/
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* Changes from V1.00:
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*
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+ Call to taskYIELD() from within tick ISR has been replaced by the more
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+ efficient portSWITCH_CONTEXT().
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+ ISR function definitions renamed to include the prv prefix.
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+
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+ Changes from V1.2.0:
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+
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+ prvPortResetPIC() is now called last thing before the end of the
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+ preemptive tick routine.
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+
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+ Changes from V2.6.1
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+
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+ Replaced the sUsingPreemption variable with the configUSE_PREEMPTION
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+ macro to be consistent with the later ports.
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+
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+ Changes from V4.0.1
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+
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+ Add function prvSetTickFrequencyDefault() to set the DOS tick back to
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+ its proper value when the scheduler exits.
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*/
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#include <stdlib.h>
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#include <stdio.h>
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@ -60,9 +60,9 @@ Changes from V4.0.1
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#include "portasm.h"
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/*-----------------------------------------------------------
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* Implementation of functions defined in portable.h for the industrial
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* PC port.
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*----------------------------------------------------------*/
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* Implementation of functions defined in portable.h for the industrial
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* PC port.
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*----------------------------------------------------------*/
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/*lint -e950 Non ANSI reserved words okay in this file only. */
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@ -75,26 +75,28 @@ static void prvSetTickFrequency( uint32_t ulTickRateHz );
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static void prvExitFunction( void );
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/* Either chain to the DOS tick (which itself clears the PIC) or clear the PIC
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directly. We chain to the DOS tick as close as possible to the standard DOS
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tick rate. */
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* directly. We chain to the DOS tick as close as possible to the standard DOS
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* tick rate. */
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static void prvPortResetPIC( void );
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/* The tick ISR used depends on whether the preemptive or cooperative scheduler
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is being used. */
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* is being used. */
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#if configUSE_PREEMPTION == 1
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/* Tick service routine used by the scheduler when preemptive scheduling is
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being used. */
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/* Tick service routine used by the scheduler when preemptive scheduling is
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* being used. */
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static void __interrupt __far prvPreemptiveTick( void );
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#else
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/* Tick service routine used by the scheduler when cooperative scheduling is
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being used. */
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/* Tick service routine used by the scheduler when cooperative scheduling is
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* being used. */
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static void __interrupt __far prvNonPreemptiveTick( void );
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#endif
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/* Trap routine used by taskYIELD() to manually cause a context switch. */
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static void __interrupt __far prvYieldProcessor( void );
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/* Set the tick frequency back so the floppy drive works correctly when the
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scheduler exits. */
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* scheduler exits. */
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static void prvSetTickFrequencyDefault( void );
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/*lint -e956 File scopes necessary here. */
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@ -106,10 +108,10 @@ static int16_t sDOSTickCounter;
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static int16_t sSchedulerRunning = pdFALSE;
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/* Points to the original routine installed on the vector we use for manual context switches. This is then used to restore the original routine during prvExitFunction(). */
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static void ( __interrupt __far *pxOldSwitchISR )();
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static void( __interrupt __far * pxOldSwitchISR )();
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/* Points to the original routine installed on the vector we use to chain to the DOS tick. This is then used to restore the original routine during prvExitFunction(). */
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static void ( __interrupt __far *pxOldSwitchISRPlus1 )();
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static void( __interrupt __far * pxOldSwitchISRPlus1 )();
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/* Used to restore the original DOS context when the scheduler is ended. */
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static jmp_buf xJumpBuf;
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@ -119,12 +121,12 @@ static jmp_buf xJumpBuf;
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/*-----------------------------------------------------------*/
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BaseType_t xPortStartScheduler( void )
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{
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pxISR pxOriginalTickISR;
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pxISR pxOriginalTickISR;
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/* This is called with interrupts already disabled. */
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/* Remember what was on the interrupts we are going to use
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so we can put them back later if required. */
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* so we can put them back later if required. */
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pxOldSwitchISR = _dos_getvect( portSWITCH_INT_NUMBER );
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pxOriginalTickISR = _dos_getvect( portTIMER_INT_NUMBER );
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pxOldSwitchISRPlus1 = _dos_getvect( portSWITCH_INT_NUMBER + 1 );
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@ -132,11 +134,11 @@ pxISR pxOriginalTickISR;
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prvSetTickFrequency( configTICK_RATE_HZ );
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/* Put our manual switch (yield) function on a known
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vector. */
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* vector. */
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_dos_setvect( portSWITCH_INT_NUMBER, prvYieldProcessor );
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/* Put the old tick on a different interrupt number so we can
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call it when we want. */
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* call it when we want. */
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_dos_setvect( portSWITCH_INT_NUMBER + 1, pxOriginalTickISR );
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#if configUSE_PREEMPTION == 1
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@ -152,8 +154,8 @@ pxISR pxOriginalTickISR;
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#endif
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/* Setup a counter that is used to call the DOS interrupt as close
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to it's original frequency as can be achieved given our chosen tick
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frequency. */
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* to it's original frequency as can be achieved given our chosen tick
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* frequency. */
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sDOSTickCounter = portTICKS_PER_DOS_TICK;
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/* Clean up function if we want to return to DOS. */
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@ -175,10 +177,11 @@ pxISR pxOriginalTickISR;
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/*-----------------------------------------------------------*/
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/* The tick ISR used depends on whether the preemptive or cooperative scheduler
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is being used. */
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* is being used. */
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#if configUSE_PREEMPTION == 1
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/* Tick service routine used by the scheduler when preemptive scheduling is
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being used. */
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/* Tick service routine used by the scheduler when preemptive scheduling is
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* being used. */
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static void __interrupt __far prvPreemptiveTick( void )
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{
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/* Get the scheduler to update the task states following the tick. */
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@ -191,15 +194,15 @@ is being used. */
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/* Reset the PIC ready for the next time. */
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prvPortResetPIC();
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}
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#else
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#else /* if configUSE_PREEMPTION == 1 */
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static void __interrupt __far prvNonPreemptiveTick( void )
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{
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/* Same as preemptive tick, but the cooperative scheduler is being used
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so we don't have to switch in the context of the next task. */
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* so we don't have to switch in the context of the next task. */
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xTaskIncrementTick();
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prvPortResetPIC();
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}
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#endif
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#endif /* if configUSE_PREEMPTION == 1 */
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/*-----------------------------------------------------------*/
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@ -213,19 +216,22 @@ static void __interrupt __far prvYieldProcessor( void )
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static void prvPortResetPIC( void )
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{
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/* We are going to call the DOS tick interrupt at as close a
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frequency to the normal DOS tick as possible. */
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* frequency to the normal DOS tick as possible. */
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/* WE SHOULD NOT DO THIS IF YIELD WAS CALLED. */
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--sDOSTickCounter;
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if( sDOSTickCounter <= 0 )
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{
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sDOSTickCounter = ( int16_t ) portTICKS_PER_DOS_TICK;
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__asm{ int portSWITCH_INT_NUMBER + 1 };
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__asm {
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int portSWITCH_INT_NUMBER + 1
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};
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}
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else
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{
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/* Reset the PIC as the DOS tick is not being called to
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do it. */
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* do it. */
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__asm
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{
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mov al, 20H
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@ -238,19 +244,20 @@ static void prvPortResetPIC( void )
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void vPortEndScheduler( void )
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{
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/* Jump back to the processor state prior to starting the
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scheduler. This means we are not going to be using a
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task stack frame so the task can be deleted. */
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* scheduler. This means we are not going to be using a
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* task stack frame so the task can be deleted. */
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longjmp( xJumpBuf, 1 );
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}
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/*-----------------------------------------------------------*/
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static void prvExitFunction( void )
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{
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void ( __interrupt __far *pxOriginalTickISR )();
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void( __interrupt __far * pxOriginalTickISR )();
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/* Interrupts should be disabled here anyway - but no
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harm in making sure. */
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* harm in making sure. */
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portDISABLE_INTERRUPTS();
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if( sSchedulerRunning == pdTRUE )
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{
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/* Set the DOS tick back onto the timer ticker. */
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prvSetTickFrequencyDefault();
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/* Put back the switch interrupt routines that was in place
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before the scheduler started. */
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* before the scheduler started. */
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_dos_setvect( portSWITCH_INT_NUMBER, pxOldSwitchISR );
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_dos_setvect( portSWITCH_INT_NUMBER + 1, pxOldSwitchISRPlus1 );
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}
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/* The tick timer is back how DOS wants it. We can re-enable
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interrupts without the scheduler being called. */
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* interrupts without the scheduler being called. */
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portENABLE_INTERRUPTS();
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}
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/*-----------------------------------------------------------*/
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static void prvSetTickFrequency( uint32_t ulTickRateHz )
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{
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const uint16_t usPIT_MODE = ( uint16_t ) 0x43;
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const uint16_t usPIT0 = ( uint16_t ) 0x40;
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const uint32_t ulPIT_CONST = ( uint32_t ) 1193180;
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const uint16_t us8254_CTR0_MODE3 = ( uint16_t ) 0x36;
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uint32_t ulOutput;
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const uint16_t usPIT_MODE = ( uint16_t ) 0x43;
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const uint16_t usPIT0 = ( uint16_t ) 0x40;
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const uint32_t ulPIT_CONST = ( uint32_t ) 1193180;
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const uint16_t us8254_CTR0_MODE3 = ( uint16_t ) 0x36;
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uint32_t ulOutput;
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/* Setup the 8245 to tick at the wanted frequency. */
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portOUTPUT_BYTE( usPIT_MODE, us8254_CTR0_MODE3 );
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ulOutput = ulPIT_CONST / ulTickRateHz;
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portOUTPUT_BYTE( usPIT0, ( uint16_t )( ulOutput & ( uint32_t ) 0xff ) );
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portOUTPUT_BYTE( usPIT0, ( uint16_t ) ( ulOutput & ( uint32_t ) 0xff ) );
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ulOutput >>= 8;
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portOUTPUT_BYTE( usPIT0, ( uint16_t ) ( ulOutput & ( uint32_t ) 0xff ) );
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}
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@ -289,13 +297,13 @@ uint32_t ulOutput;
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static void prvSetTickFrequencyDefault( void )
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{
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const uint16_t usPIT_MODE = ( uint16_t ) 0x43;
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const uint16_t usPIT0 = ( uint16_t ) 0x40;
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const uint16_t us8254_CTR0_MODE3 = ( uint16_t ) 0x36;
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const uint16_t usPIT_MODE = ( uint16_t ) 0x43;
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const uint16_t usPIT0 = ( uint16_t ) 0x40;
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const uint16_t us8254_CTR0_MODE3 = ( uint16_t ) 0x36;
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portOUTPUT_BYTE( usPIT_MODE, us8254_CTR0_MODE3 );
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portOUTPUT_BYTE( usPIT0,0 );
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portOUTPUT_BYTE( usPIT0,0 );
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portOUTPUT_BYTE( usPIT0, 0 );
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portOUTPUT_BYTE( usPIT0, 0 );
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}
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