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Update to V4.3.0 as described in http://www.FreeRTOS.org/History.txt

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This commit is contained in:
Richard Barry 2007-06-05 09:56:16 +00:00
parent 017740b75a
commit 623aa3675f
110 changed files with 680 additions and 606 deletions
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54
Source/portable/IAR/ARM_CM3/port.c
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@ -1,5 +1,5 @@
/*
FreeRTOS.org V4.2.1 - Copyright (C) 2003-2007 Richard Barry.
FreeRTOS.org V4.3.0 - Copyright (C) 2003-2007 Richard Barry.
This file is part of the FreeRTOS.org distribution.
@ -19,13 +19,13 @@
A special exception to the GPL can be applied should you wish to distribute
a combined work that includes FreeRTOS.org, without being obliged to provide
the source code for any proprietary components. See the licensing section
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
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.
Also see http://www.SafeRTOS.com for an IEC 61508 compliant version along
@ -33,6 +33,12 @@
***************************************************************************
*/
/*
Change from V4.2.1:
+ Introduced usage of configKERNEL_INTERRUPT_PRIORITY macro to set the
interrupt priority used by the kernel.
*/
/*-----------------------------------------------------------
* Implementation of functions defined in portable.h for the ARM CM3 port.
@ -52,18 +58,24 @@
#define portNVIC_SYSTICK_INT 0x00000002
#define portNVIC_SYSTICK_ENABLE 0x00000001
#define portNVIC_PENDSVSET 0x10000000
#define portNVIC_PENDSV_PRI 0x00ff0000
#define portNVIC_SVCALL_PRI 0xff000000
#define portNVIC_SYSTICK_PRI 0xff000000
#define portNVIC_PENDSV_PRI ( ( ( unsigned portLONG ) configKERNEL_INTERRUPT_PRIORITY ) << 16 )
#define portNVIC_SYSTICK_PRI ( ( ( unsigned portLONG ) configKERNEL_INTERRUPT_PRIORITY ) << 24 )
/* Constants required to set up the initial stack. */
#define portINITIAL_XPSR ( 0x01000000 )
/* For backward compatibility, ensure configKERNEL_INTERRUPT_PRIORITY is
defined. The value zero should also ensure backward compatibility.
FreeRTOS.org versions prior to V4.3.0 did not include this definition. */
#ifndef configKERNEL_INTERRUPT_PRIORITY
#define configKERNEL_INTERRUPT_PRIORITY 255
#endif
/* Each task maintains its own interrupt status in the critical nesting
variable. */
unsigned portBASE_TYPE uxCriticalNesting = 0xaaaaaaaa;
/*
/*
* Setup the timer to generate the tick interrupts.
*/
static void prvSetupTimerInterrupt( void );
@ -76,8 +88,8 @@ extern void vSetPSP( unsigned long ulValue );
/*-----------------------------------------------------------*/
/*
* See header file for description.
/*
* See header file for description.
*/
portSTACK_TYPE *pxPortInitialiseStack( portSTACK_TYPE *pxTopOfStack, pdTASK_CODE pxCode, void *pvParameters )
{
@ -97,12 +109,12 @@ portSTACK_TYPE *pxPortInitialiseStack( portSTACK_TYPE *pxTopOfStack, pdTASK_CODE
}
/*-----------------------------------------------------------*/
/*
* See header file for description.
/*
* See header file for description.
*/
portBASE_TYPE xPortStartScheduler( void )
{
/* Make PendSV, CallSV and SysTick the lowest priority interrupts. */
/* Make PendSV and SysTick the lowest priority interrupts. */
*(portNVIC_SYSPRI2) |= portNVIC_PENDSV_PRI;
*(portNVIC_SYSPRI2) |= portNVIC_SYSTICK_PRI;
@ -169,5 +181,21 @@ void prvSetupTimerInterrupt( void )
*(portNVIC_SYSTICK_LOAD) = configCPU_CLOCK_HZ / configTICK_RATE_HZ;
*(portNVIC_SYSTICK_CTRL) = portNVIC_SYSTICK_CLK | portNVIC_SYSTICK_INT | portNVIC_SYSTICK_ENABLE;
}
/*-----------------------------------------------------------*/
void vPortSwitchContext( void )
{
vPortSetInterruptMask();
vTaskSwitchContext();
vPortClearInterruptMask();
}
/*-----------------------------------------------------------*/
void vPortIncrementTick( void )
{
vPortSetInterruptMask();
vTaskIncrementTick();
vPortClearInterruptMask();
}