/***************************************************************************
 * Copyright (c) 2024 Microsoft Corporation
 * Copyright (c) 2026-present Eclipse ThreadX contributors
 *
 * This program and the accompanying materials are made available under the
 * terms of the MIT License which is available at
 * https://opensource.org/licenses/MIT.
 *
 * SPDX-License-Identifier: MIT
 **************************************************************************/


/**************************************************************************/
/**************************************************************************/
/**                                                                       */
/** USBX Component                                                        */
/**                                                                       */
/**   Pictbridge Application                                              */
/**                                                                       */
/**************************************************************************/
/**************************************************************************/


/* Include necessary system files.  */

#define UX_SOURCE_CODE

#include "ux_api.h"
#include "ux_pictbridge.h"


/**************************************************************************/
/*                                                                        */
/*  FUNCTION                                               RELEASE        */
/*                                                                        */
/*    _ux_pictbridge_xml_function_input_startjob          PORTABLE C      */
/*                                                           6.1.12       */
/*                                                                        */
/*                                                                        */
/*  AUTHOR                                                                */
/*                                                                        */
/*    Chaoqiong Xiao, Microsoft Corporation                               */
/*                                                                        */
/*  DESCRIPTION                                                           */
/*                                                                        */
/*    This function receives an order for a new job.  It issues           */
/*    notification to the pictbridge thread.                              */
/*                                                                        */
/*  INPUT                                                                 */
/*                                                                        */
/*    pictbridge                             Pictbridge instance          */
/*    input_variable                         Pointer to variable          */
/*    input_string                           Pointer to string            */
/*                                                                        */
/*  OUTPUT                                                                */
/*                                                                        */
/*    Completion Status                                                   */
/*                                                                        */
/*  CALLS                                                                 */
/*                                                                        */
/*                                                                        */
/*  CALLED BY                                                             */
/*                                                                        */
/*    _ux_pictbridge_object_parse                                         */
/*                                                                        */
/**************************************************************************/
UINT  _ux_pictbridge_xml_function_input_startjob(UX_PICTBRIDGE *pictbridge,
                            UCHAR *input_variable, UCHAR *input_string, UCHAR *xml_parameter)
{
UX_PICTBRIDGE_EVENT         *pictbridge_next_event;
UX_PICTBRIDGE_EVENT         *pictbridge_event;

    UX_PARAMETER_NOT_USED(input_string);
    UX_PARAMETER_NOT_USED(input_variable);
    UX_PARAMETER_NOT_USED(xml_parameter);

    /* Compute the next entry in the event array.  */
    if ((pictbridge -> ux_pictbridge_event_array_head + 1) == pictbridge -> ux_pictbridge_event_array_end)

        /* Start at the beginning of the list.  */
        pictbridge_next_event = pictbridge -> ux_pictbridge_event_array;
    else

        /* Point to the next entry in the event array.  */
        pictbridge_next_event = pictbridge -> ux_pictbridge_event_array_head + 1;

    /* Check to see if we can store this event.  */
    if (pictbridge_next_event == pictbridge -> ux_pictbridge_event_array_tail)

        /* No place to store this event, throw it away.  */
        return(UX_ERROR);

    /* Current storage is in the current head.  */
    pictbridge_event =  pictbridge -> ux_pictbridge_event_array_head;

    /* Store the start job event in the pictbridge event queue.  */
    pictbridge_event -> ux_pictbridge_event_code            =   UX_PICTBRIDGE_EC_START_JOB;
    pictbridge_event -> ux_pictbridge_event_parameter_1     =   0;
    pictbridge_event -> ux_pictbridge_event_parameter_2     =   0;
    pictbridge_event -> ux_pictbridge_event_parameter_3     =   0;

    /* Advance the pictbridge event queue head.  */
    pictbridge -> ux_pictbridge_event_array_head    = pictbridge_next_event;

    /* Wake up the Pictbridge notification handler thread.  */
    _ux_system_semaphore_put(&pictbridge -> ux_pictbridge_notification_semaphore);

    /* This function never fails.  */
    return(UX_SUCCESS);
}