Modify the GCC/AVR port to make use of the xTaskIncrementTick return value.

Add pre-processor directives in the dsPIC and PIC24 port layers that allows both port files to be included in the same project.
This commit is contained in:
Richard Barry 2013-06-11 20:15:15 +00:00
parent 3aad6381e1
commit 2fd431e971
5 changed files with 33 additions and 20 deletions

View File

@ -56,19 +56,19 @@
***************************************************************************
http://www.FreeRTOS.org - Documentation, books, training, latest versions,
http://www.FreeRTOS.org - Documentation, books, training, latest versions,
license and Real Time Engineers Ltd. contact details.
http://www.FreeRTOS.org/plus - A selection of FreeRTOS ecosystem products,
including FreeRTOS+Trace - an indispensable productivity tool, and our new
fully thread aware and reentrant UDP/IP stack.
http://www.OpenRTOS.com - Real Time Engineers ltd license FreeRTOS to High
Integrity Systems, who sell the code with commercial support,
http://www.OpenRTOS.com - Real Time Engineers ltd license FreeRTOS to High
Integrity Systems, who sell the code with commercial support,
indemnification and middleware, under the OpenRTOS brand.
http://www.SafeRTOS.com - High Integrity Systems also provide a safety
engineered and independently SIL3 certified version for use in safety and
http://www.SafeRTOS.com - High Integrity Systems also provide a safety
engineered and independently SIL3 certified version for use in safety and
mission critical applications that require provable dependability.
*/
@ -104,6 +104,7 @@ extern "C" {
#define portSHORT int
#define portSTACK_TYPE unsigned portCHAR
#define portBASE_TYPE portCHAR
#define portPOINTER_SIZE_TYPE unsigned short
#if( configUSE_16_BIT_TICKS == 1 )
typedef unsigned portSHORT portTickType;
@ -113,7 +114,7 @@ extern "C" {
#define portMAX_DELAY ( portTickType ) 0xffffffff
#endif
/*-----------------------------------------------------------*/
/*-----------------------------------------------------------*/
/* Critical section management. */
extern void vPortEnterCritical( void );
@ -127,7 +128,7 @@ extern void vPortExitCritical( void );
/* Architecture specifics. */
#define portSTACK_GROWTH ( -1 )
#define portTICK_RATE_MS ( ( portTickType ) 1000 / configTICK_RATE_HZ )
#define portTICK_RATE_MS ( ( portTickType ) 1000 / configTICK_RATE_HZ )
#define portBYTE_ALIGNMENT 1
#define portNOP() asm( "nop" )
/*-----------------------------------------------------------*/

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@ -1,6 +1,6 @@
;/*
; FreeRTOS V7.4.2 - Copyright (C) 2013 Real Time Engineers Ltd.
;
;
;
; ***************************************************************************
; * *
@ -103,7 +103,7 @@ PUBLIC vPortStart
ORG USART_UDRE_vect ; Vector address
jmp SIG_UART_DATA ; ISR
RSEG CODE
@ -222,7 +222,7 @@ portRESTORE_CONTEXT MACRO
out SREG, r0
ld r0, y+ ; Finally we have finished with r0, so restore r0.
ENDM
@ -244,7 +244,10 @@ vPortYield:
vPortYieldFromTick:
portSAVE_CONTEXT ; Save the context of the current task.
call xTaskIncrementTick ; Call the timer tick function.
tst r16
breq SkipTaskSwitch
call vTaskSwitchContext ; Call the scheduler.
SkipTaskSwitch:
portRESTORE_CONTEXT ; Restore the context of whichever task the ...
ret ; ... scheduler decided should run.

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@ -157,7 +157,7 @@ unsigned portBASE_TYPE uxCriticalNesting = 0xef;
#endif /* __HAS_EDS__ */
#endif /* MPLAB_PIC24_PORT */
#if defined( __dsPIC30F__ ) || defined ( __dsPIC33E__ ) || defined( __dsPIC33F__ )
#if defined( __dsPIC30F__ ) || defined( __dsPIC33F__ )
#define portRESTORE_CONTEXT() \
asm volatile( "MOV _pxCurrentTCB, W0 \n" /* Restore the stack pointer for the task. */ \

View File

@ -72,6 +72,8 @@
mission critical applications that require provable dependability.
*/
#if defined( __PIC24E__ ) || defined ( __PIC24F__ ) || defined( __PIC24FK__ ) || defined( __PIC24H__ )
.global _vPortYield
.extern _vTaskSwitchContext
.extern uxCriticalNesting
@ -133,3 +135,5 @@ _vPortYield:
return
.end
#endif /* defined( __PIC24E__ ) || defined ( __PIC24F__ ) || defined( __PIC24FK__ ) || defined( __PIC24H__ ) */

View File

@ -56,22 +56,24 @@
***************************************************************************
http://www.FreeRTOS.org - Documentation, books, training, latest versions,
http://www.FreeRTOS.org - Documentation, books, training, latest versions,
license and Real Time Engineers Ltd. contact details.
http://www.FreeRTOS.org/plus - A selection of FreeRTOS ecosystem products,
including FreeRTOS+Trace - an indispensable productivity tool, and our new
fully thread aware and reentrant UDP/IP stack.
http://www.OpenRTOS.com - Real Time Engineers ltd license FreeRTOS to High
Integrity Systems, who sell the code with commercial support,
http://www.OpenRTOS.com - Real Time Engineers ltd license FreeRTOS to High
Integrity Systems, who sell the code with commercial support,
indemnification and middleware, under the OpenRTOS brand.
http://www.SafeRTOS.com - High Integrity Systems also provide a safety
engineered and independently SIL3 certified version for use in safety and
http://www.SafeRTOS.com - High Integrity Systems also provide a safety
engineered and independently SIL3 certified version for use in safety and
mission critical applications that require provable dependability.
*/
#if defined( __dsPIC30F__ ) || defined( __dsPIC33F__ )
.global _vPortYield
.extern _vTaskSwitchContext
.extern uxCriticalNesting
@ -103,8 +105,8 @@ _vPortYield:
PUSH DOSTARTH
PUSH DOENDL
PUSH DOENDH
PUSH CORCON
PUSH PSVPAG
MOV _uxCriticalNesting, W0 /* Save the critical nesting counter for the task. */
@ -146,3 +148,6 @@ _vPortYield:
return
.end
#endif /* defined( __dsPIC30F__ ) || defined( __dsPIC33F__ ) */