all context switches calls to TaskManagement.h now
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@ -4,6 +4,8 @@
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* @date 25.02.2020
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* @date 25.02.2020
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*/
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*/
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#include <framework/osal/FreeRTOS/BinarySemaphore.h>
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#include <framework/osal/FreeRTOS/BinarySemaphore.h>
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#include <framework/osal/FreeRTOS/TaskManagement.h>
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#include <framework/serviceinterface/ServiceInterfaceStream.h>
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#include <framework/serviceinterface/ServiceInterfaceStream.h>
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#include "portmacro.h"
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#include "portmacro.h"
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#include "task.h"
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#include "task.h"
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@ -65,7 +67,7 @@ SemaphoreHandle_t BinarySemaphore::getSemaphore() {
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return handle;
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return handle;
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}
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}
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ReturnValue_t giveBinarySemaphore(SemaphoreHandle_t semaphore) {
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ReturnValue_t BinarySemaphore::giveBinarySemaphore(SemaphoreHandle_t semaphore) {
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if (semaphore == NULL) {
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if (semaphore == NULL) {
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return HasReturnvaluesIF::RETURN_FAILED;
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return HasReturnvaluesIF::RETURN_FAILED;
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}
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}
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@ -77,7 +79,7 @@ ReturnValue_t giveBinarySemaphore(SemaphoreHandle_t semaphore) {
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}
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}
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}
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}
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ReturnValue_t giveBinarySemaphoreFromISR(SemaphoreHandle_t semaphore,
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ReturnValue_t BinarySemaphore::giveBinarySemaphoreFromISR(SemaphoreHandle_t semaphore,
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BaseType_t * higherPriorityTaskWoken) {
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BaseType_t * higherPriorityTaskWoken) {
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if (semaphore == NULL) {
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if (semaphore == NULL) {
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return HasReturnvaluesIF::RETURN_FAILED;
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return HasReturnvaluesIF::RETURN_FAILED;
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@ -86,7 +88,7 @@ ReturnValue_t giveBinarySemaphoreFromISR(SemaphoreHandle_t semaphore,
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if (returncode == pdPASS) {
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if (returncode == pdPASS) {
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if(*higherPriorityTaskWoken == pdPASS) {
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if(*higherPriorityTaskWoken == pdPASS) {
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// Request context switch
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// Request context switch
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portYIELD_FROM_ISR();
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TaskManagement::requestContextSwitch(SystemContext::isr_context);
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}
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}
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return HasReturnvaluesIF::RETURN_OK;
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return HasReturnvaluesIF::RETURN_OK;
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} else {
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} else {
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@ -68,19 +68,16 @@ public:
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* @return
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* @return
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*/
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*/
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SemaphoreHandle_t getSemaphore();
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SemaphoreHandle_t getSemaphore();
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private:
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SemaphoreHandle_t handle;
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};
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/**
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/**
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* Wrapper function to give back semaphore from handle
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* Wrapper function to give back semaphore from handle
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* @param semaphore
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* @param semaphore
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* @return -@c RETURN_OK on success
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* @return -@c RETURN_OK on success
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* -@c RETURN_FAILED on failure
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* -@c RETURN_FAILED on failure
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*/
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*/
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ReturnValue_t giveBinarySemaphore(SemaphoreHandle_t semaphore);
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static ReturnValue_t giveBinarySemaphore(SemaphoreHandle_t semaphore);
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/**
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/**
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* Wrapper function to give back semaphore from handle when called from an ISR
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* Wrapper function to give back semaphore from handle when called from an ISR
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* @param semaphore
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* @param semaphore
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* @param higherPriorityTaskWoken This will be set to pdPASS if a task with a higher priority
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* @param higherPriorityTaskWoken This will be set to pdPASS if a task with a higher priority
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@ -88,7 +85,14 @@ ReturnValue_t giveBinarySemaphore(SemaphoreHandle_t semaphore);
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* @return -@c RETURN_OK on success
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* @return -@c RETURN_OK on success
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* -@c RETURN_FAILED on failure
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* -@c RETURN_FAILED on failure
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*/
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*/
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ReturnValue_t giveBinarySemaphoreFromISR(SemaphoreHandle_t semaphore,
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static ReturnValue_t giveBinarySemaphoreFromISR(SemaphoreHandle_t semaphore,
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BaseType_t * higherPriorityTaskWoken);
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BaseType_t * higherPriorityTaskWoken);
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private:
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SemaphoreHandle_t handle;
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};
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#endif /* FRAMEWORK_OSAL_FREERTOS_BINARYSEMPAHORE_H_ */
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#endif /* FRAMEWORK_OSAL_FREERTOS_BINARYSEMPAHORE_H_ */
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@ -65,7 +65,7 @@ ReturnValue_t MessageQueue::sendMessageFromMessageQueue(MessageQueueId_t sendTo,
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result = xQueueSendFromISR(reinterpret_cast<void*>(sendTo),
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result = xQueueSendFromISR(reinterpret_cast<void*>(sendTo),
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reinterpret_cast<const void*>(message->getBuffer()), &xHigherPriorityTaskWoken);
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reinterpret_cast<const void*>(message->getBuffer()), &xHigherPriorityTaskWoken);
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if(xHigherPriorityTaskWoken == pdTRUE) {
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if(xHigherPriorityTaskWoken == pdTRUE) {
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requestContextSwitch(callContext);
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TaskManagement::requestContextSwitch(callContext);
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}
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}
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}
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}
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return handleSendResult(result, ignoreFault);
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return handleSendResult(result, ignoreFault);
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@ -58,11 +58,6 @@ public:
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*/
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*/
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virtual ~MessageQueue();
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virtual ~MessageQueue();
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/**
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* This function is used to specify whether a message queue operation is called
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* from within an ISR or a task. FreeRTOS offers different functions for this task.
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* @param callContext
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*/
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void switchSystemContext(SystemContext callContext);
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void switchSystemContext(SystemContext callContext);
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/**
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/**
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@ -9,11 +9,11 @@
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#include "portmacro.h"
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#include "portmacro.h"
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#include "task.h"
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#include "task.h"
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void requestContextSwitchFromTask() {
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void TaskManagement::requestContextSwitchFromTask() {
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vTaskDelay(0);
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vTaskDelay(0);
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}
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}
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void requestContextSwitch(SystemContext callContext) {
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void TaskManagement::requestContextSwitch(SystemContext callContext = SystemContext::task_context) {
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if(callContext == SystemContext::isr_context) {
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if(callContext == SystemContext::isr_context) {
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// This function depends on the partmacro.h definition for the specific device
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// This function depends on the partmacro.h definition for the specific device
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portYIELD_FROM_ISR();
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portYIELD_FROM_ISR();
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@ -22,3 +22,5 @@ void requestContextSwitch(SystemContext callContext) {
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}
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}
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}
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}
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@ -12,24 +12,26 @@
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* within an ISR or from a regular task. This is required because FreeRTOS
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* within an ISR or from a regular task. This is required because FreeRTOS
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* has different functions for handling semaphores and messages from within an ISR and task.
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* has different functions for handling semaphores and messages from within an ISR and task.
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*/
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*/
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typedef enum _SystemContext {
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enum SystemContext {
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task_context = 0x00,//!< task_context
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task_context = 0x00,//!< task_context
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isr_context = 0xFF //!< isr_context
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isr_context = 0xFF //!< isr_context
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} SystemContext;
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};
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/**
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class TaskManagement {
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public:
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/**
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* In this function, a function dependant on the portmacro.h header function calls
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* In this function, a function dependant on the portmacro.h header function calls
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* to request a context switch can be specified.
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* to request a context switch can be specified.
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* This can be used if sending to the queue from an ISR caused a task to unblock
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* This can be used if sending to the queue from an ISR caused a task to unblock
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* and a context switch is required.
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* and a context switch is required.
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*/
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*/
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void requestContextSwitch(SystemContext callContext);
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static void requestContextSwitch(SystemContext callContext);
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/**
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/**
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* If task preemption in FreeRTOS is disabled, a context switch
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* If task preemption in FreeRTOS is disabled, a context switch
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* can be requested manually by calling this function.
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* can be requested manually by calling this function.
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*/
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*/
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void requestContextSwitch(void);
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static void requestContextSwitchFromTask(void);
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};
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#endif /* FRAMEWORK_OSAL_FREERTOS_TASKMANAGEMENT_H_ */
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#endif /* FRAMEWORK_OSAL_FREERTOS_TASKMANAGEMENT_H_ */
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