generated from Template/H563ZI-HAL-CMake-Template
开启 ThreadX
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203
Middlewares/ST/threadx/common/src/tx_thread_shell_entry.c
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203
Middlewares/ST/threadx/common/src/tx_thread_shell_entry.c
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/**************************************************************************/
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/* */
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/* Copyright (c) Microsoft Corporation. All rights reserved. */
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/* */
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/* This software is licensed under the Microsoft Software License */
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/* Terms for Microsoft Azure RTOS. Full text of the license can be */
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/* found in the LICENSE file at https://aka.ms/AzureRTOS_EULA */
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/* and in the root directory of this software. */
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/* */
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/**************************************************************************/
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/**************************************************************************/
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/**************************************************************************/
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/** */
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/** ThreadX Component */
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/** */
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/** Thread */
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/** */
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/**************************************************************************/
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/**************************************************************************/
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#define TX_SOURCE_CODE
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/* Include necessary system files. */
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#include "tx_api.h"
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#include "tx_thread.h"
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/**************************************************************************/
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/* */
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/* FUNCTION RELEASE */
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/* */
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/* _tx_thread_shell_entry PORTABLE C */
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/* 6.1 */
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/* AUTHOR */
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/* */
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/* William E. Lamie, Microsoft Corporation */
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/* */
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/* DESCRIPTION */
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/* */
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/* This function calls the specified entry function of the thread. It */
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/* also provides a place for the thread's entry function to return. */
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/* If the thread returns, this function places the thread in a */
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/* "COMPLETED" state. */
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/* */
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/* INPUT */
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/* */
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/* None */
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/* */
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/* OUTPUT */
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/* */
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/* None */
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/* */
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/* CALLS */
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/* */
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/* thread_entry Thread's entry function */
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/* _tx_thread_system_suspend Thread suspension routine */
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/* _tx_thread_system_ni_suspend Non-interruptable suspend thread */
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/* */
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/* CALLED BY */
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/* */
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/* Initial thread stack frame */
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/* */
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/* RELEASE HISTORY */
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/* */
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/* DATE NAME DESCRIPTION */
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/* */
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/* 05-19-2020 William E. Lamie Initial Version 6.0 */
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/* 09-30-2020 Yuxin Zhou Modified comment(s), */
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/* resulting in version 6.1 */
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/* */
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/**************************************************************************/
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VOID _tx_thread_shell_entry(VOID)
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{
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TX_INTERRUPT_SAVE_AREA
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TX_THREAD *thread_ptr;
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#ifndef TX_DISABLE_NOTIFY_CALLBACKS
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VOID (*entry_exit_notify)(TX_THREAD *notify_thread_ptr, UINT type);
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#endif
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/* Pickup thread pointer. */
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TX_THREAD_GET_CURRENT(thread_ptr)
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/* Perform any additional activities for tool or user purpose. */
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TX_THREAD_STARTED_EXTENSION(thread_ptr)
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#ifndef TX_DISABLE_NOTIFY_CALLBACKS
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/* Disable interrupts. */
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TX_DISABLE
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/* Pickup the entry/exit application callback routine. */
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entry_exit_notify = thread_ptr -> tx_thread_entry_exit_notify;
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/* Restore interrupts. */
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TX_RESTORE
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/* Determine if an application callback routine is specified. */
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if (entry_exit_notify != TX_NULL)
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{
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/* Yes, notify application that this thread has been entered! */
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(entry_exit_notify)(thread_ptr, TX_THREAD_ENTRY);
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}
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#endif
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/* Call current thread's entry function. */
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(thread_ptr -> tx_thread_entry) (thread_ptr -> tx_thread_entry_parameter);
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/* Suspend thread with a "completed" state. */
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/* Determine if the application is using mutexes. */
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if (_tx_thread_mutex_release != TX_NULL)
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{
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/* Yes, call the mutex release function via a function pointer that
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is setup during mutex initialization. */
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(_tx_thread_mutex_release)(thread_ptr);
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}
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/* Lockout interrupts while the thread state is setup. */
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TX_DISABLE
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#ifndef TX_DISABLE_NOTIFY_CALLBACKS
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/* Pickup the entry/exit application callback routine again. */
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entry_exit_notify = thread_ptr -> tx_thread_entry_exit_notify;
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#endif
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/* Set the status to suspending, in order to indicate the suspension
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is in progress. */
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thread_ptr -> tx_thread_state = TX_COMPLETED;
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/* Thread state change. */
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TX_THREAD_STATE_CHANGE(thread_ptr, TX_COMPLETED)
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#ifdef TX_NOT_INTERRUPTABLE
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#ifndef TX_DISABLE_NOTIFY_CALLBACKS
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/* Determine if an application callback routine is specified. */
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if (entry_exit_notify != TX_NULL)
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{
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/* Yes, notify application that this thread has exited! */
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(entry_exit_notify)(thread_ptr, TX_THREAD_EXIT);
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}
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#endif
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/* Perform any additional activities for tool or user purpose. */
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TX_THREAD_COMPLETED_EXTENSION(thread_ptr)
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/* Call actual non-interruptable thread suspension routine. */
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_tx_thread_system_ni_suspend(thread_ptr, ((ULONG) 0));
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/* Restore interrupts. */
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TX_RESTORE
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#else
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/* Set the suspending flag. */
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thread_ptr -> tx_thread_suspending = TX_TRUE;
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/* Setup for no timeout period. */
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thread_ptr -> tx_thread_timer.tx_timer_internal_remaining_ticks = ((ULONG) 0);
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/* Temporarily disable preemption. */
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_tx_thread_preempt_disable++;
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/* Restore interrupts. */
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TX_RESTORE
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/* Perform any additional activities for tool or user purpose. */
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TX_THREAD_COMPLETED_EXTENSION(thread_ptr)
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#ifndef TX_DISABLE_NOTIFY_CALLBACKS
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/* Determine if an application callback routine is specified. */
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if (entry_exit_notify != TX_NULL)
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{
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/* Yes, notify application that this thread has exited! */
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(entry_exit_notify)(thread_ptr, TX_THREAD_EXIT);
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}
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#endif
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/* Call actual thread suspension routine. */
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_tx_thread_system_suspend(thread_ptr);
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#endif
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#ifdef TX_SAFETY_CRITICAL
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/* If we ever get here, raise safety critical exception. */
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TX_SAFETY_CRITICAL_EXCEPTION(__FILE__, __LINE__, 0);
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#endif
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}
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