len0rd/FreeRTOS-Kernel
1
0
Fork 0
mirror of https://github.com/FreeRTOS/FreeRTOS-Kernel.git synced 2025-08-19 17:48:33 -04:00
Code Issues Projects Releases Packages Wiki Activity

Final V8.2.1 release ready for tagging:

Browse source 
+ Added MSP432 (ARM Cortex-M4F MSP430!) demos for IAR, Keil and CCS.
+ Renamed directory containing demo for STM32F7 ARM Cortex-M7.
+ Renamed directory containing demo for SAMV71 ARM Cortex-M7.
+ Introduced xTaskNotifyAndQuery().
This commit is contained in:
Richard Barry 2015-03-24 15:24:49 +00:00
parent 693d0520bc
commit 8dadb6b87c
647 changed files with 67785 additions and 977 deletions
Download patch file Download diff file Expand all files Collapse all files

8
FreeRTOS/Source/include/task.h
View file

@ -1462,13 +1462,19 @@ void vTaskGetRunTimeStats( char *pcWriteBuffer ) PRIVILEGED_FUNCTION; /*lint !e9
* updated. ulValue is not used and xTaskNotify() always returns pdPASS in
* this case.
*
* pulPreviousNotificationValue -
* Can be used to pass out the subject task's notification value before any
* bits are modified by the notify function.
*
* @return Dependent on the value of eAction. See the description of the
* eAction parameter.
*
* \defgroup xTaskNotify xTaskNotify
* \ingroup TaskNotifications
*/
BaseType_t xTaskNotify( TaskHandle_t xTaskToNotify, uint32_t ulValue, eNotifyAction eAction );
BaseType_t xTaskGenericNotify( TaskHandle_t xTaskToNotify, uint32_t ulValue, eNotifyAction eAction, uint32_t *pulPreviousNotificationValue );
#define xTaskNotify( xTaskToNotify, ulValue, eAction ) xTaskGenericNotify( ( xTaskToNotify ), ( ulValue ), ( eAction ), NULL )
#define xTaskNotifyAndQuery( xTaskToNotify, ulValue, eAction, pulPreviousNotifyValue ) xTaskGenericNotify( ( xTaskToNotify ), ( ulValue ), ( eAction ), ( pulPreviousNotifyValue ) )
/**
* task. h

7
FreeRTOS/Source/tasks.c
View file

@ -4101,7 +4101,7 @@ TickType_t uxReturn;
#if( configUSE_TASK_NOTIFICATIONS == 1 )
BaseType_t xTaskNotify( TaskHandle_t xTaskToNotify, uint32_t ulValue, eNotifyAction eAction )
BaseType_t xTaskGenericNotify( TaskHandle_t xTaskToNotify, uint32_t ulValue, eNotifyAction eAction, uint32_t *pulPreviousNotificationValue )
{
TCB_t * pxTCB;
eNotifyValue eOriginalNotifyState;
@ -4112,6 +4112,11 @@ TickType_t uxReturn;
taskENTER_CRITICAL();
{
if( pulPreviousNotificationValue != NULL )
{
*pulPreviousNotificationValue = pxTCB->ulNotifiedValue;
}
eOriginalNotifyState = pxTCB->eNotifyState;
pxTCB->eNotifyState = eNotified;