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common_modules/module_manager/src/txm_module_manager_callback_request.c
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/**************************************************************************/
/* */
/* Copyright (c) Microsoft Corporation. All rights reserved. */
/* */
/* This software is licensed under the Microsoft Software License */
/* Terms for Microsoft Azure RTOS. Full text of the license can be */
/* found in the LICENSE file at https://aka.ms/AzureRTOS_EULA */
/* and in the root directory of this software. */
/* */
/**************************************************************************/
/**************************************************************************/
/**************************************************************************/
/** */
/** ThreadX Component */
/** */
/** Module Manager */
/** */
/**************************************************************************/
/**************************************************************************/
#define TX_SOURCE_CODE
#include "tx_api.h"
#include "tx_queue.h"
#include "tx_thread.h"
#include "txm_module.h"
/**************************************************************************/
/* */
/* FUNCTION RELEASE */
/* */
/* _txm_module_manager_callback_request PORTABLE C */
/* 6.1 */
/* AUTHOR */
/* */
/* Scott Larson, Microsoft Corporation */
/* */
/* DESCRIPTION */
/* */
/* This function sends a notification callback function request to */
/* the associated module. */
/* */
/* INPUT */
/* */
/* module_callback_queue Module callback request queue */
/* callback_request Callback request */
/* */
/* OUTPUT */
/* */
/* None */
/* */
/* CALLS */
/* */
/* tx_queue_send Send module callback request */
/* */
/* CALLED BY */
/* */
/* ThreadX */
/* */
/* RELEASE HISTORY */
/* */
/* DATE NAME DESCRIPTION */
/* */
/* 09-30-2020 Scott Larson Initial Version 6.1 */
/* */
/**************************************************************************/
VOID _txm_module_manager_callback_request(TX_QUEUE *module_callback_queue, TXM_MODULE_CALLBACK_MESSAGE *callback_message)
{
TX_INTERRUPT_SAVE_AREA
TXM_MODULE_CALLBACK_MESSAGE *queued_message;
UINT enqueued;
UINT found;
UINT status;
/* Lockout interrupts. */
TX_DISABLE
/* Determine if the queue is valid. */
if ((module_callback_queue) && (module_callback_queue -> tx_queue_id == TX_QUEUE_ID))
{
/* Yes, the queue is valid. */
/* Pickup the current callback request in the queue. */
queued_message = (TXM_MODULE_CALLBACK_MESSAGE *) module_callback_queue -> tx_queue_read;
/* Pickup the number of items enqueued. */
enqueued = module_callback_queue -> tx_queue_enqueued;
/* Set the found flag to false. */
found = TX_FALSE;
/* Loop to look for duplicates in the queue. */
while (enqueued != 0)
{
/* Does this entry match the new callback message? */
if ((queued_message -> txm_module_callback_message_application_function == callback_message -> txm_module_callback_message_application_function) &&
(queued_message -> txm_module_callback_message_param_1 == callback_message -> txm_module_callback_message_param_1) &&
(queued_message -> txm_module_callback_message_param_2 == callback_message -> txm_module_callback_message_param_2) &&
(queued_message -> txm_module_callback_message_param_3 == callback_message -> txm_module_callback_message_param_3) &&
(queued_message -> txm_module_callback_message_param_4 == callback_message -> txm_module_callback_message_param_4) &&
(queued_message -> txm_module_callback_message_param_5 == callback_message -> txm_module_callback_message_param_5) &&
(queued_message -> txm_module_callback_message_param_6 == callback_message -> txm_module_callback_message_param_6) &&
(queued_message -> txm_module_callback_message_param_7 == callback_message -> txm_module_callback_message_param_7) &&
(queued_message -> txm_module_callback_message_param_8 == callback_message -> txm_module_callback_message_param_8) &&
(queued_message -> txm_module_callback_message_reserved1 == callback_message -> txm_module_callback_message_reserved1) &&
(queued_message -> txm_module_callback_message_reserved2 == callback_message -> txm_module_callback_message_reserved2))
{
/* Update the activation count in the queued request. */
queued_message -> txm_module_callback_message_activation_count++;
/* Set the found flag to true. */
found = TX_TRUE;
/* Get out of the loop. */
break;
}
/* Decrease the number of messages to examine. */
enqueued--;
/* Move the callback message to the next message. */
queued_message++;
/* Check for wrap? */
if (((ULONG *) queued_message) >= module_callback_queue -> tx_queue_end)
{
/* Yes, set the queued message to the beginning of the queue. */
queued_message = (TXM_MODULE_CALLBACK_MESSAGE *) module_callback_queue -> tx_queue_start;
}
}
/* Restore interrupts. */
TX_RESTORE
/* Determine if we need to send the new callback request. */
if (found == TX_FALSE)
{
/* Yes, send the message. */
status = _tx_queue_send(module_callback_queue, (VOID *) callback_message, TX_NO_WAIT);
/* Determine if an error was detected. */
if (status != TX_SUCCESS)
{
/* Error, increment the error counter and return. */
_txm_module_manager_callback_error_count++;
}
}
/* Increment the total number of callbacks. */
_txm_module_manager_callback_total_count++;
}
else
{
/* Module instance is not valid. */
/* Error, increment the error counter and return. */
_txm_module_manager_callback_error_count++;
/* Restore interrupts. */
TX_RESTORE
}
}