/*************************************************************************** * 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 */ /** */ /** PIMA Class */ /** */ /**************************************************************************/ /**************************************************************************/ /* Include necessary system files. */ #define UX_SOURCE_CODE #include "ux_api.h" #include "ux_host_class_pima.h" #include "ux_host_stack.h" /**************************************************************************/ /* */ /* FUNCTION RELEASE */ /* */ /* _ux_host_class_pima_num_objects_get PORTABLE C */ /* 6.3.0 */ /* AUTHOR */ /* */ /* Chaoqiong Xiao, Microsoft Corporation */ /* */ /* DESCRIPTION */ /* */ /* This function returns the number of objects for a specific storage. */ /* */ /* INPUT */ /* */ /* pima Pointer to pima class */ /* pima_session Pointer to pima session */ /* storage_id The storage ID */ /* object_format_code The object format code */ /* */ /* OUTPUT */ /* */ /* Completion Status */ /* */ /* CALLS */ /* */ /* _ux_host_class_pima_command Pima command function */ /* */ /* CALLED BY */ /* */ /* USB application */ /* */ /**************************************************************************/ UINT _ux_host_class_pima_num_objects_get(UX_HOST_CLASS_PIMA *pima, UX_HOST_CLASS_PIMA_SESSION *pima_session, ULONG storage_id, ULONG object_format_code) { UX_HOST_CLASS_PIMA_COMMAND command; UINT status; /* If trace is enabled, insert this event into the trace buffer. */ UX_TRACE_IN_LINE_INSERT(UX_TRACE_HOST_CLASS_PIMA_NUM_OBJECTS_GET, pima, 0, 0, 0, UX_TRACE_HOST_CLASS_EVENTS, 0, 0) /* Check if this session is valid or not. */ if (pima_session -> ux_host_class_pima_session_magic != UX_HOST_CLASS_PIMA_MAGIC_NUMBER) return (UX_HOST_CLASS_PIMA_RC_SESSION_NOT_OPEN); /* Check if this session is opened or not. */ if (pima_session -> ux_host_class_pima_session_state != UX_HOST_CLASS_PIMA_SESSION_STATE_OPENED) return (UX_HOST_CLASS_PIMA_RC_SESSION_NOT_OPEN); /* Issue command to get the storage IDs. 2 parameter. */ command.ux_host_class_pima_command_nb_parameters = 2; /* Parameter 1 is the Storage ID. */ command.ux_host_class_pima_command_parameter_1 = storage_id; /* Parameter 2 is the Object Format Code. */ command.ux_host_class_pima_command_parameter_2 = object_format_code; /* Other parameters unused. */ command.ux_host_class_pima_command_parameter_3 = 0; command.ux_host_class_pima_command_parameter_4 = 0; command.ux_host_class_pima_command_parameter_5 = 0; /* Then set the command to GET_NUM_OBJETCS. */ command.ux_host_class_pima_command_operation_code = UX_HOST_CLASS_PIMA_OC_GET_NUM_OBJECTS; /* Issue the command. */ status = _ux_host_class_pima_command(pima, &command, 0 , UX_NULL, 0, 0); /* Check the result. If the result is OK, the parameter1 has the number of objects. */ if (status == UX_SUCCESS) /* Store the number of objects into the current pima session. */ pima_session -> ux_host_class_pima_session_nb_objects = command.ux_host_class_pima_command_parameter_1; /* Return completion status. */ return(status); } /**************************************************************************/ /* */ /* FUNCTION RELEASE */ /* */ /* _uxe_host_class_pima_num_objects_get PORTABLE C */ /* 6.3.0 */ /* AUTHOR */ /* */ /* Yajun Xia, Microsoft Corporation */ /* */ /* DESCRIPTION */ /* */ /* This function checks errors in pima object number get function */ /* call. */ /* */ /* INPUT */ /* */ /* pima Pointer to pima class */ /* pima_session Pointer to pima session */ /* storage_id The storage ID */ /* object_format_code The object format code */ /* */ /* OUTPUT */ /* */ /* Completion Status */ /* */ /* CALLS */ /* */ /* _ux_host_class_pima_num_objects_get Get pima object number */ /* */ /* CALLED BY */ /* */ /* USB application */ /* */ /**************************************************************************/ UINT _uxe_host_class_pima_num_objects_get(UX_HOST_CLASS_PIMA *pima, UX_HOST_CLASS_PIMA_SESSION *pima_session, ULONG storage_id, ULONG object_format_code) { /* Sanity checks. */ if ((pima == UX_NULL) || (pima_session == UX_NULL)) return(UX_INVALID_PARAMETER); /* Call the actual pima num objects get function. */ return(_ux_host_class_pima_num_objects_get(pima, pima_session, storage_id, object_format_code)); }