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---
title: Chapter 9 - USBX trace events
description: This chapter contains a description of the USBX events displayed by TraceX.
---
# Chapter 9 - USBX trace events
This chapter contains a description of the USBX events displayed by
TraceX.
## List of Events and Icons
The following is a list of USBX events displayed by TraceX.
| Icon | Meaning |
| -------------------------------- | ------------------------------------- |
| ![Device Class C D C Activate icon](./media/user-guide/usbx-events/image1.png) | **Device Class Cdc Activate** *(ux_device_class_cdc_activate)* |
| ![Device Class C D C Deactivate icon](./media/user-guide/usbx-events/image2.png) | **Device Class Cdc Deactivate** *(ux_device_class_cdc_deactivate)* |
| ![Device Class C D C Read icon](./media/user-guide/usbx-events/image3.png) | **Device Class Cdc Read** *(ux_device_class_cdc_read)* |
| ![Device Class C D C Write icon](./media/user-guide/usbx-events/image4.png) | **Device Class Cdc Write** *(ux_device_class_cdc_write)* |
| ![Device Class Dpump Activate icon](./media/user-guide/usbx-events/image5.png) | **Device Class Dpump Activate** *(ux_device_class_dpump_activate)* |
| ![Device Class Dpump Deactivate icon](./media/user-guide/usbx-events/image6.png) | **Device Class Dpump Deactivate** *(ux_device_class_dpump_deactivate)* |
| ![Device Class Dpump Read icon](./media/user-guide/usbx-events/image7.png) | **Device Class Dpump Read** *(ux_device_class_dpump_read)* |
| ![Device Class Dpump Write icon](./media/user-guide/usbx-events/image8.png) | **Device Class Dpump Write** *(ux_device_class_dpump_write)* |
| ![Device Class Hid Activate icon](./media/user-guide/usbx-events/image9.png) | **Device Class Hid Activate** *(ux_device_class_hid_activate)* |
| ![Device Class Hid Deactivate icon](./media/user-guide/usbx-events/image10.png) | **Device Class Hid Deactivate** *(ux_device_class_hid_deactivate)* |
| ![Device Class Hid Descriptor Send icon](./media/user-guide/usbx-events/image11.png) | **Device Class Hid Descriptor Send** *(ux_device_class_hid_descriptor_send)* |
| ![Device Class Hid Event Get icon](./media/user-guide/usbx-events/image12.png) | **Device Class Hid Event Get** *(ux_device_class_hid_event_get)* |
| ![Device Class Hid Event Set icon](./media/user-guide/usbx-events/image13.png) | **Device Class Hid Event Set** *(ux_device_class_hid_event_set)* |
| ![Device Class Hid Report Get icon](./media/user-guide/usbx-events/image14.png) | **Device Class Hid Report Get** *(ux_device_class_hid_report_get)* |
| ![Device Class Hid Report Set icon](./media/user-guide/usbx-events/image15.png) | **Device Class Hid Report Set** *(ux_device_class_hid_report_set)* |
| ![Device Class Pima Activate icon](./media/user-guide/usbx-events/image16.png) | **Device Class Pima Activate** *(ux_device_class_pima_activate)* |
| ![Device Class Pima Deactivate icon](./media/user-guide/usbx-events/image17.png) | **Device Class Pima Deactivate** *(ux_device_class_pima_deactivate)* |
| ![Device Class Pima Device Info Send icon](./media/user-guide/usbx-events/image18.png) | **Device Class Pima Device Info Send** *(ux_device_class_pima_device_info_send)* |
| ![Device Class Pima Event Get icon](./media/user-guide/usbx-events/image19.png) | **Device Class Pima Event Get** *(ux_device_class_pima_event_get)* |
| ![Device Class Pima Event Set icon](./media/user-guide/usbx-events/image20.png) | **Device Class Pima Event Set** *(ux_device_class_pima_event_set)* |
| ![Device Class Pima Object Add icon](./media/user-guide/usbx-events/image21.png) | **Device Class Pima Object Add** *(ux_device_class_pima_object_add)* |
| ![Device Class Pima Object Data Get icon](./media/user-guide/usbx-events/image22.png) | **Device Class Pima Object Data Get** *(ux_device_class_pima_object_data_get)* |
| ![Device Class Pima Object Data Send icon](./media/user-guide/usbx-events/image23.png) | **Device Class Pima Object Data Send** *(ux_device_class_pima_object_data_send)* |
| ![Device Class Pima Object Delete icon](./media/user-guide/usbx-events/image24.png) | **Device Class Pima Object Delete** *(ux_device_class_pima_object_delete)* |
| ![Device Class Pima Object Handles Send icon](./media/user-guide/usbx-events/image25.png) | **Device Class Pima Object Handles Send** *(ux_device_class_pima_object_handles_send)* |
| ![Device Class Pima Object Info Get icon](./media/user-guide/usbx-events/image26.png) | **Device Class Pima Object Info Get** *(ux_device_class_pima_object_info_get)* |
| ![Device Class Pima Object Info Send icon](./media/user-guide/usbx-events/image27.png) | **Device Class Pima Object Info Send** *(ux_device_class_pima_object_info_send)* |
| ![Device Class Pima Objects Number Send icon](./media/user-guide/usbx-events/image28.png) | **Device Class Pima Objects Number Send** *(ux_device_class_pima_objects_number_send)* |
| ![Device Class Pima Partial Object Data Get icon](./media/user-guide/usbx-events/image29.png) | **Device Class Pima Partial Object Data Get** *(ux_device_class_pima_partial_object_data_get)* |
| ![Device Class Pima Response Send icon](./media/user-guide/usbx-events/image30.png) | **Device Class Pima Response Send** *(ux_device_class_pima_response_send)*|
| ![Device Class Pima Storage I D Send icon](./media/user-guide/usbx-events/image31.png) | **Device Class Pima Storage Id Send** *(ux_device_class_pima_storage_id_send)* |
| ![Device Class Pima Storage Info Send icon](./media/user-guide/usbx-events/image32.png) | **Device Class Pima Storage Info Send** *(ux_device_class_pima_storage_info_send)* |
| ![Device Class R N D I S Activate icon](./media/user-guide/usbx-events/image33.png) | **Device Class Rndis Activate** *(ux_device_class_rndis_activate)* |
| ![Device Class R N D I S Deactivate icon](./media/user-guide/usbx-events/image34.png) | **Device Class Rndis Deactivate** *(ux_device_class_rndis_deactivate)* |
| ![Device Class R N D I S Message Keep Aliveicon](./media/user-guide/usbx-events/image35.png) | **Device Class Rndis Message Keep Alive** *(ux_device_class_rndis_msg_keep_alive)* |
| ![Device Class R N D I S Message Query icon](./media/user-guide/usbx-events/image36.png) | **Device Class Rndis Message Query** *(ux_device_class_rndis_msg_query)* |
| ![Device Class R N D I S Message Reset icon](./media/user-guide/usbx-events/image37.png) | **Device Class Rndis Message Reset** *(ux_device_class_rndis_msg_reset)* |
| ![Device Class R N D I S Message Set icon](./media/user-guide/usbx-events/image38.png) | **Device Class Rndis Message Set** *(ux_device_class_rndis_msg_set)* |
| ![Device Class R N D I S Packet Receive icon](./media/user-guide/usbx-events/image39.png) | **Device Class Rndis Packet Receive** *(ux_device_class_rndis_packet_receive)* |
| ![Device Class R N D I S Packet Transmit icon](./media/user-guide/usbx-events/image40.png) | **Device Class Rndis Packet Transmit** *(ux_device_class_rndis_packet_transmit)* |
| ![Device Class Storage Activate icon](./media/user-guide/usbx-events/image41.png) | **Device Class Storage Activate** *(ux_device_class_storage_activate)* |
| ![Device Class Storage Deactivate icon](./media/user-guide/usbx-events/image42.png) | **Device Class Storage Deactivate** *(ux_device_class_storage_deactivate)* |
| ![Device Class Storage Format icon](./media/user-guide/usbx-events/image43.png) | **Device Class Storage Format** *(ux_device_class_storage_format)* |
| ![Device Class Storage Inquiry icon](./media/user-guide/usbx-events/image44.png) | **Device Class Storage Inquiry** *(ux_device_class_storage_inquiry)* |
| ![Device Class Storage Mode Select icon](./media/user-guide/usbx-events/image45.png) | **Device Class Storage Mode Select** *(ux_device_class_storage_mode_select)* |
| ![Device Class Storage Mode Sense icon](./media/user-guide/usbx-events/image46.png) | **Device Class Storage Mode Sense** *(ux_device_class_storage_mode_sense)* |
| ![Device Class Storage Prevent Allow Media Removal icon](./media/user-guide/usbx-events/image47.png) | **Device Class Storage Prevent Allow Media Removal** *(ux_device_class_storage_prevent_allow_media_removal)* |
| ![Device Class Storage Read icon](./media/user-guide/usbx-events/image48.png) | **Device Class Storage Read** *(ux_device_class_storage_read)* |
| ![Device Class Storage Read Capacity icon](./media/user-guide/usbx-events/image49.png) | **Device Class Storage Read Capacity** *(ux_device_class_storage_read_capacity)* |
| ![Device Class Storage Read Format Capacity icon](./media/user-guide/usbx-events/image50.png) | **Device Class Storage Read Format Capacity** *(ux_device_class_storage_read_format_capacity)* |
| ![Device Class Storage Read TOC icon](./media/user-guide/usbx-events/image51.png) | **Device Class Storage Read TOC** *(ux_device_class_storage_read_toc)* |
| ![Device Class Storage Request Sense icon](./media/user-guide/usbx-events/image52.png) | **Device Class Storage Request Sense** *(ux_device_class_storage_request_sense)* |
| ![Device Class Storage Start Stop icon](./media/user-guide/usbx-events/image53.png) | **Device Class Storage Start Stop** *(ux_device_class_storage_start_stop)* |
| ![Device Class Storage Test Ready icon](./media/user-guide/usbx-events/image54.png) | **Device Class Storage Test Ready** *(ux_device_class_storage_test_ready)* |
| ![Device Class Storage Verify icon](./media/user-guide/usbx-events/image55.png) | **Device Class Storage Verify** *(ux_device_class_storage_verify)* |
| ![Device Class Storage Write icon](./media/user-guide/usbx-events/image56.png) | **Device Class Storage Write** *(ux_device_class_storage_write)* |
| ![Device Stack Alternate Setting Get icon](./media/user-guide/usbx-events/image57.png) | **Device Stack Alternate Setting Get** *(ux_device_stack_alternate_setting_get)* |
| ![Device Stack Alternate Setting Set icon](./media/user-guide/usbx-events/image58.png) | **Device Stack Alternate Setting Set** *(ux_device_stack_alternate_setting_set)* |
| ![Device Stack Class Register icon](./media/user-guide/usbx-events/image59.png) | **Device Stack Class Register** *(ux_device_stack_class_register)* |
| ![Device Stack Clear Feature icon](./media/user-guide/usbx-events/image60.png) | **Device Stack Clear Feature** *(ux_device_stack_clear_feature)* |
| ![Device Stack Configuration Get icon](./media/user-guide/usbx-events/image61.png) | **Device Stack Configuration Get** *(ux_device_stack_configuration_get)* |
| ![Device Stack Configuration Set icon](./media/user-guide/usbx-events/image62.png) | **Device Stack Configuration Set** *(ux_device_stack_configuration_set)* |
| ![Device Stack Connect icon](./media/user-guide/usbx-events/image63.png) | **Device Stack Connect** *(ux_device_stack_connect)* |
| ![Device Stack Descriptor Send icon](./media/user-guide/usbx-events/image64.png) | **Device Stack Descriptor Send** *(ux_device_stack_descriptor_send)* |
| ![Device Stack Disconnect icon](./media/user-guide/usbx-events/image65.png) | **Device Stack Disconnect** *(ux_device_stack_disconnect)* |
| ![Device Stack Endpoint Stall icon](./media/user-guide/usbx-events/image66.png) | **Device Stack Endpoint Stall** *(ux_device_stack_endpoint_stall)* |
| ![Device Stack Get Status icon](./media/user-guide/usbx-events/image67.png) | **Device Stack Get Status** *(ux_device_stack_get_status)* |
| ![Device Stack Host Wakeup icon](./media/user-guide/usbx-events/image68.png) | **Device Stack Host Wakeup** *(ux_device_stack_host_wakeup)* |
| ![Device Stack Initialize icon](./media/user-guide/usbx-events/image69.png) | **Device Stack Initialize** *(ux_device_stack_initialize)* |
| ![Device Stack Interface Delete icon](./media/user-guide/usbx-events/image70.png) | **Device Stack Interface Delete** *(ux_device_stack_interface_delete)* |
| ![Device Stack Interface Get icon](./media/user-guide/usbx-events/image71.png) | **Device Stack Interface Get** *(ux_device_stack_interface_get)* |
| ![Device Stack Interface Set icon](./media/user-guide/usbx-events/image72.png) | **Device Stack Interface Set** *(ux_device_stack_interface_set)* |
| ![Device Stack Set Feature icon](./media/user-guide/usbx-events/image73.png) | **Device Stack Set Feature** *(ux_device_stack_set_feature)* |
| ![Device Stack Transfer Abort icon](./media/user-guide/usbx-events/image74.png) | **Device Stack Transfer Abort** *(ux_device_stack_transfer_abort)* |
| ![*Device Stack Transfer All Request Abort icon](./media/user-guide/usbx-events/image75.png) | **Device Stack Transfer All Request Abort** *(ux_device_stack_transfer_all_request_abort)* |
| ![Device Stack Transfer Request icon](./media/user-guide/usbx-events/image76.png) | **Device Stack Transfer Request** *(ux_device_stack_transfer_request)* |
| ![Host Class Asix Activate icon](./media/user-guide/usbx-events/image77.png) | **Host Class Asix Activate** *(ux_host_class_asix_activate)* |
| ![Host Class Asix Deactivate icon](./media/user-guide/usbx-events/image78.png) | **Host Class Asix Deactivate** *(ux_host_class_asix_deactivate)* |
| ![Host Class Asix Interrupt Notification icon](./media/user-guide/usbx-events/image79.png) | **Host Class Asix Interrupt Notification** *(ux_host_class_asix_interrupt_notification)* |
| ![Host Class Asix Read icon](./media/user-guide/usbx-events/image80.png) | **Host Class Asix Read** *(ux_host_class_asix_read)* |
| ![Host Class Asix Write icon](./media/user-guide/usbx-events/image81.png) | **Host Class Asix Write** *(ux_host_class_asix_write)* |
| ![Host Class Audio Activate icon](./media/user-guide/usbx-events/image82.png) | **Host Class Audio Activate** *(ux_host_class_audio_activate)* |
| ![Host Class Audio Control Value Get icon](./media/user-guide/usbx-events/image83.png) | **Host Class Audio Control Value Get** *(ux_host_class_audio_control_value_get)* |
| ![Host Class Audio Control Value Set icon](./media/user-guide/usbx-events/image84.png) | **Host Class Audio Control Value Set** *(ux_host_class_audio_control_value_set)* |
| ![Host Class Audio Deactivate icon](./media/user-guide/usbx-events/image85.png) | **Host Class Audio Deactivate** *(ux_host_class_audio_deactivate)* |
| ![Host Class Audio Read icon](./media/user-guide/usbx-events/image86.png) | **Host Class Audio Read** *(ux_host_class_audio_read)* |
| ![Host Class Audio Streaming Sampling Get icon](./media/user-guide/usbx-events/image87.png) | **Host Class Audio Streaming Sampling Get** *(ux_host_class_audio_streaming_sampling_get)* |
| ![Host Class Audio Streaming Sampling Set icon](./media/user-guide/usbx-events/image88.png) | **Host Class Audio Streaming Sampling Set** *(ux_host_class_audio_streaming_sampling_set)* |
| ![Host Class Audio Write icon](./media/user-guide/usbx-events/image89.png) | **Host Class Audio Write** *(ux_host_class_audio_write)* |
| ![Host Class C D C A C M Activate icon](./media/user-guide/usbx-events/image90.png) | **Host Class Cdc Acm Activate** *(ux_host_class_cdc_acm_activate)* |
| ![Host Class C D C A C M Deactivate icon](./media/user-guide/usbx-events/image91.png) | **Host Class Cdc Acm Deactivate** *(ux_host_class_cdc_acm_deactivate)* |
| ![Host Class C D C A C M I O C T L In Pipe icon](./media/user-guide/usbx-events/image92.png) | **Host Class Cdc Acm Ioctl Abort In Pipe** *(ux_host_class_cdc_acm_ioctl_abort_in_pipe)* |
| ![Host Class C D C A C M I O C T L Abort Out Pipe icon](./media/user-guide/usbx-events/image93.png) | **Host Class Cdc Acm Ioctl Abort Out Pipe** *(ux_host_class_cdc_acm_ioctl_abort_out_pipe)* |
| ![Host Class C D C A C M I O C T L Get Device Status icon](./media/user-guide/usbx-events/image94.png) | **Host Class Cdc Acm Ioctl Get Device Status** *(ux_host_class_cdc_acm_ioctl_get_device_status)* |
| ![Host Class C D C A C M I O C T L Get Line Coding icon](./media/user-guide/usbx-events/image95.png) | **Host Class Cdc Acm Ioctl Get Line Coding** *(ux_host_class_cdc_acm_ioctl_get_line_coding)* |
| ![Host Class C D C A C M I O C T L Notification Callback icon](./media/user-guide/usbx-events/image96.png) | **Host Class Cdc Acm Ioctl Notification Callback** *(ux_host_class_cdc_acm_ioctl_notification_callback)* |
| ![Host Class C D C A C M I O C T L Send Break icon](./media/user-guide/usbx-events/image97.png) | **Host Class Cdc Acm Ioctl Send Break** *(ux_host_class_cdc_acm_ioctl_send_break)* |
| ![Host Class C D C A C M I O C T L Set Line Coding icon](./media/user-guide/usbx-events/image98.png) | **Host Class Cdc Acm Ioctl Set Line Coding** *(ux_host_class_cdc_acm_ioctl_set_line_coding)* |
| ![Host Class C D C A C M I O C T L Set Line State icon](./media/user-guide/usbx-events/image99.png) | **Host Class Cdc Acm Ioctl Set Line State** *(ux_host_class_cdc_acm_ioctl_set_line_state)* |
| ![Host Class C D C A C M Read icon](./media/user-guide/usbx-events/image100.png) | **Host Class Cdc Acm Read** *(ux_host_class_cdc_acm_read)* |
| ![Host Class C D C A C M Reception Start icon](./media/user-guide/usbx-events/image101.png) | **Host Class Cdc Acm Reception Start** *(ux_host_class_cdc_acm_reception_start)* |
| ![Host Class C D C A C M Reception Stop icon](./media/user-guide/usbx-events/image102.png) | **Host Class Cdc Acm Reception Stop** *(ux_host_class_cdc_acm_reception_stop)* |
| ![Host Class C D C A C M Write icon](./media/user-guide/usbx-events/image103.png) | **Host Class Cdc Acm Write** *(ux_host_class_cdc_acm_write)* |
| ![Host Class Dpump Activate icon](./media/user-guide/usbx-events/image104.png) | **Host Class Dpump Activate** *(ux_host_class_dpump_activate)* |
| ![Host Class Dpump Deactivate icon](./media/user-guide/usbx-events/image105.png) | **Host Class Dpump Deactivate** *(ux_host_class_dpump_deactivate)* |
| ![Host Class Dpump Read icon](./media/user-guide/usbx-events/image106.png) | **Host Class Dpump Read** *(ux_host_class_dpump_read)* |
| ![Host Class Dpump Write icon](./media/user-guide/usbx-events/image107.png) | **Host Class Dpump Write** *(ux_host_class_dpump_write)* |
| ![Host Class Hid Activate icon](./media/user-guide/usbx-events/image108.png) | **Host Class Hid Activate** *(ux_host_class_hid_activate)* |
| ![Host Class Hid Client Register icon](./media/user-guide/usbx-events/image109.png) | **Host Class Hid Client Register** *(ux_host_class_hid_client_register)* |
| ![Host Class Hid Deactivate icon](./media/user-guide/usbx-events/image110.png) | **Host Class Hid Deactivate** *(ux_host_class_hid_deactivate)* |
| ![Host Class Hid Idle Get icon](./media/user-guide/usbx-events/image111.png) | **Host Class Hid Idle Get** *(ux_host_class_hid_idle_get)* |
| ![Host Class Hid Idle Set icon](./media/user-guide/usbx-events/image112.png) | **Host Class Hid Idle Set** *(ux_host_class_hid_idle_set)* |
| ![Host Class Hid Keyboard Activate icon](./media/user-guide/usbx-events/image113.png) | **Host Class Hid Keyboard Activate** *(ux_host_class_hid_keyboard_activate)* |
| ![Host Class Hid Keyboard Deactivate icon](./media/user-guide/usbx-events/image114.png) | **Host Class Hid Keyboard Deactivate** *(ux_host_class_hid_keyboard_deactivate)* |
| ![Host Class Hid Mouse Activate icon](./media/user-guide/usbx-events/image115.png) | **Host Class Hid Mouse Activate** *(ux_host_class_hid_mouse_activate)* |
| ![Host Class Hid Mouse Deactivate icon](./media/user-guide/usbx-events/image116.png) | **Host Class Hid Mouse Deactivate** *(ux_host_class_hid_mouse_deactivate)* |
| ![Host Class Hid Remote Control Activate icon](./media/user-guide/usbx-events/image117.png) | **Host Class Hid Remote Control Activate** *(ux_host_class_hid_remote_control_activate)* |
| ![Host Class Hid Remote Control Deactivate icon](./media/user-guide/usbx-events/image118.png) | **Host Class Hid Remote Control Deactivate** *(ux_host_class_hid_remote_control_deactivate)* |
| ![Host Class Hid Report Get icon](./media/user-guide/usbx-events/image119.png) | **Host Class Hid Report Get** *(ux_host_class_hid_report_get)* |
| ![Host Class Hid Report Set icon](./media/user-guide/usbx-events/image120.png) | **Host Class Hid Report Set** *(ux_host_class_hid_report_set)* |
| ![Host Class Hub Activate icon](./media/user-guide/usbx-events/image121.png) | **Host Class Hub Activate** *(ux_host_class_hub_activate)* |
| ![Host Class Hub Change Detect icon](./media/user-guide/usbx-events/image122.png) | **Host Class Hub Change Detect** *(ux_host_class_hub_change_detect)* |
| ![*Host Class Hub Deactivate icon](./media/user-guide/usbx-events/image123.png) | **Host Class Hub Deactivate** *(ux_host_class_hub_deactivate)* |
| ![Host Class Hub Port Change Connection Process icon](./media/user-guide/usbx-events/image124.png) | **Host Class Hub Port Change Connection Process** *(ux_host_class_hub_port_change_connection_process)* |
| ![Host Class Hub Port Change Enable Process icon](./media/user-guide/usbx-events/image125.png) | **Host Class Hub Port Change Enable Process** *(ux_host_class_hub_port_change_enable_process)* |
| ![Host Class Hub Port Change Over Current Process icon](./media/user-guide/usbx-events/image126.png) | **Host Class Hub Port Change Over Current Process** *(ux_host_class_hub_port_change_over_current_process)* |
| ![Host Class Hub Port Change Reset Process icon](./media/user-guide/usbx-events/image127.png) | **Host Class Hub Port Change Reset Process** *(ux_host_class_hub_port_change_reset_process)* |
| ![Host Class Hub Port Change Suspend Process icon](./media/user-guide/usbx-events/image128.png) | **Host Class Hub Port Change Suspend Process** *(ux_host_class_hub_port_change_suspend_process)* |
| ![Host Class Pima Activate icon](./media/user-guide/usbx-events/image129.png) | **Host Class Pima Activate** *(ux_host_class_prima_activate)* |
| ![Host Class Pima Deactivate icon](./media/user-guide/usbx-events/image130.png) | **Host Class Pima Deactivate** *(ux_host_class_pima_deactivate)* |
| ![Host Class Pima Device Info Get icon](./media/user-guide/usbx-events/image131.png) | **Host Class Pima Device Info Get** *(ux_host_class_pima_device_info_get)* |
| ![Host Class Pima Device Reset icon](./media/user-guide/usbx-events/image132.png) | **Host Class Pima Device Reset** *(ux_host_class_pima_device_reset)* |
| ![Host Class Pima Notification icon](./media/user-guide/usbx-events/image133.png) | **Host Class Pima Notification** *(ux_host_class_pima_notification)* |
| ![Host Class Pima Number Objects Get icon](./media/user-guide/usbx-events/image134.png) | **Host Class Pima Number Objects Get** *(ux_host_class_pima_num_objects_get)* |
| ![Host Class Pima Object Close icon](./media/user-guide/usbx-events/image135.png) | **Host Class Pima Object Close** *(ux_host_class_pima_object_close)* |
| ![Host Class Pima Object Copy icon](./media/user-guide/usbx-events/image136.png) | **Host Class Pima Object Copy** *(ux_host_class_pima_object_copy)* |
| ![Host Class Pima Object Delete icon](./media/user-guide/usbx-events/image137.png) | **Host Class Pima Object Delete** *(ux_host_class_pima_object_delete)* |
| ![Host Class Pima Object Get icon](./media/user-guide/usbx-events/image138.png) | **Host Class Pima Object Get** *(ux_host_class_pima_object_get)* |
| ![Host Class Pima Object Info Get icon](./media/user-guide/usbx-events/image139.png) | **Host Class Pima Object Info Get** *(ux_host_class_pima_object_info_get)* |
| ![Host Class Pima Object Info Send icon](./media/user-guide/usbx-events/image140.png) | **Host Class Pima Object Info Send** *(ux_host_class_pima_object_info_send)* |
| ![Host Class Pima Object Move icon](./media/user-guide/usbx-events/image141.png) | **Host Class Pima Object Move** *(ux_host_class_pima_object_move)* |
| ![Host Class Pima Object Send icon](./media/user-guide/usbx-events/image142.png) | **Host Class Pima Object Send** *(ux_host_class_pima_object_send)* |
| ![Host Class Pima Object Transfer Abort icon](./media/user-guide/usbx-events/image143.png) | **Host Class Pima Object Transfer Abort** *(ux_host_class_object_transfer_abort)* |
| ![Host Class Pima Read icon](./media/user-guide/usbx-events/image144.png) | **Host Class Pima Read** *(ux_host_class_pima_read)* |
| ![Host Class Pima Request Cancel icon](./media/user-guide/usbx-events/image145.png) | **Host Class Pima Request Cancel** *(ux_host_class_pima_request_cancel)* |
| ![Host Class Pima Session Close icon](./media/user-guide/usbx-events/image146.png) | **Host Class Pima Session Close** *(ux_host_class_pima_session_close)* |
| ![Host Class Pima Session Open icon](./media/user-guide/usbx-events/image147.png) | **Host Class Pima Session Open** *(ux_host_class_pima_session_open)* |
| ![Host Class Pima Storage Ids Get icon](./media/user-guide/usbx-events/image148.png) | **Host Class Pima Storage Ids Get** *(ux_host_class_pima_storage_ids_get)* |
| ![Host Class Pima Storage Info Get icon](./media/user-guide/usbx-events/image149.png) | **Host Class Pima Storage Info Get** *(ux_host_class_pima_storage_info_get)* |
| ![Host Class Pima Thumb Get icon](./media/user-guide/usbx-events/image150.png) | **Host Class Pima Thumb Get** *(ux_host_class_pima_thumb_get)* |
| ![Host Class Pima Write icon](./media/user-guide/usbx-events/image151.png) | **Host Class Pima Write** *(ux_host_class_pima_write)* |
| ![Host Class Printer Activate icon](./media/user-guide/usbx-events/image152.png) | **Host Class Printer Activate** *(ux_host_class_printer_activate)* |
| ![Host Class Printer Deactivate icon](./media/user-guide/usbx-events/image153.png) | **Host Class Printer Deactivate** *(ux_host_class_printer_deactivate)* |
| ![Host Class Printer Name Get icon](./media/user-guide/usbx-events/image154.png) | **Host Class Printer Name Get** *(ux_host_class_printer_name_get)* |
| ![Host Class Printer Read icon](./media/user-guide/usbx-events/image155.png) | **Host Class Printer Read** *(ux_host_class_printer_read)* |
| ![Host Class Printer Soft Reset icon](./media/user-guide/usbx-events/image156.png) | **Host Class Printer Soft Reset** *(ux_host_class_printer_soft_reset)* |
| ![Host Class Printer Status Get icon](./media/user-guide/usbx-events/image157.png) | **Host Class Printer Status Get** *(ux_host_class_printer_status_get)* |
| ![Host Class Printer Write icon](./media/user-guide/usbx-events/image158.png) | **Host Class Printer Write** *(ux_host_class_printer_write)* |
| ![Host Class Prolific Activate icon](./media/user-guide/usbx-events/image159.png) | **Host Class Prolific Activate** *(ux_host_class_prolific_activate)* |
| ![Host Class Prolific Deactivate icon](./media/user-guide/usbx-events/image160.png) | **Host Class Prolific Deactivate** *(ux_host_class_prolific_deactivate)* |
| ![Host Class Prolific I O C T L Abort In Pipe icon](./media/user-guide/usbx-events/image161.png) | **Host Class Prolific Ioctl Abort In Pipe** *(ux_host_class_prolific_ioctl_abort_in_pipe)* |
| ![Host Class Prolific I O C T L Abort Out Pipe icon](./media/user-guide/usbx-events/image162.png) | **Host Class Prolific Ioctl Abort Out Pipe** *(ux_host_class_prolific_ioctl_abort_out_pipe)* |
| ![Host Class Prolific I O C T L Get Device Status icon](./media/user-guide/usbx-events/image163.png) | **Host Class Prolific Ioctl Get Device Status** *(ux_host_class_prolific_ioctl_get_device_status)* |
| ![Host Class Prolific I O C T L Get Line Coding icon](./media/user-guide/usbx-events/image164.png) | **Host Class Prolific Ioctl Get Line Coding** *(ux_host_class_prolific_ioctl_get_line_coding)* |
| ![Host Class Prolific I O C T L Purge icon](./media/user-guide/usbx-events/image165.png) | **Host Class Prolific Ioctl Purge** *(ux_host_class_prolific_ioctl_purge)* |
| ![Host Class Prolific I O C T L Report Device Status Change icon](./media/user-guide/usbx-events/image166.png) | **Host Class Prolific Ioctl Report Device Status Change** *(ux_host_class_prolific_ioctl_report_device_status_change)* |
| ![Host Class Prolific I O C T L Send Break icon](./media/user-guide/usbx-events/image167.png) | **Host Class Prolific Ioctl Send Break** *(ux_host_class_prolific_ioctl_send_break)* |
| ![Host Class Prolific I O C T L Set Line Coding icon](./media/user-guide/usbx-events/image168.png) | **Host Class Prolific Ioctl Set Line Coding** *(ux_host_class_prolific_ioctl_set_line_coding)* |
| ![Host Class Prolific I O C T L Set Line State icon](./media/user-guide/usbx-events/image169.png) | **Host Class Prolific Ioctl Set Line State** *(ux_host_class_prolific_ioctl_set_line_state)* |
| ![Host Class Prolific Read icon](./media/user-guide/usbx-events/image170.png) | **Host Class Prolific Read** *(ux_host_class_prolific_read)* |
| ![Host Class Prolific Reception Start icon](./media/user-guide/usbx-events/image171.png) | **Host Class Prolific Reception Start** *(ux_host_class_prolific_reception_start)* |
| ![Host Class Prolific Reception Stop icon](./media/user-guide/usbx-events/image172.png) | **Host Class Prolific Reception Stop** *(ux_host_class_prolific_reception_stop)* |
| ![Host Class Prolific Write icon](./media/user-guide/usbx-events/image173.png) | **Host Class Prolific Write** *(ux_host_class_prolific_write)* |
| ![Host Class Storage Activate icon](./media/user-guide/usbx-events/image174.png) | **Host Class Storage Activate** *(ux_host_class_storage_activate)* |
| ![Host Class Storage Deactivate icon](./media/user-guide/usbx-events/image175.png) | **Host Class Storage Deactivate** (*ux_host_class_storage_deactivate)* |
| ![Host Class Storage Media Capacity Get icon](./media/user-guide/usbx-events/image176.png) | **Host Class Storage Media Capacity Get** *(ux_host_class_storage_media_capacity_get)* |
| ![Host Class Storage Media Format Capacity Get icon](./media/user-guide/usbx-events/image177.png) | **Host Class Storage Media Format Capacity Get** *(ux_host_class_storage_media_format_capacity_get)* |
| ![Host Class Storage Media Mount icon](./media/user-guide/usbx-events/image178.png) | **Host Class Storage Media Mount** (ux_host_class_storage_media_mount)* |
| ![Host Class Storage Media Open icon](./media/user-guide/usbx-events/image179.png) | **Host Class Storage Media Open** *(ux_host_class_storage_media_open)* |
| ![Host Class Storage Media Read icon](./media/user-guide/usbx-events/image180.png) | **Host Class Storage Media Read** *(ux_host_class_storage_media_read)* |
| ![Host Class Storage Media Write icon](./media/user-guide/usbx-events/image181.png) | **Host Class Storage Media Write** *(ux_host_class_storage_media_write)* |
| ![Host Class Storage Request Sense icon](./media/user-guide/usbx-events/image182.png) | **Host Class Storage Request Sense** *(ux_host_class_storage_request_sense)* |
| ![Host Class Storage Start Stop icon](./media/user-guide/usbx-events/image183.png) | **Host Class Storage Start Stop** *(ux_host_class_storage_start_stop)* |
| ![Host Class Storage Unit Ready Test icon](./media/user-guide/usbx-events/image184.png) | **Host Class Storage Unit Ready Test** *(ux_host_class_storage_activate)* |
| ![Host Stack Class Instance Create icon](./media/user-guide/usbx-events/image185.png) | **Host Stack Class Instance Create** *(ux_host_stack_class_instance_create)* |
| ![Host Stack Class Instance Destroy icon](./media/user-guide/usbx-events/image186.png) | **Host Stack Class Instance Destroy** *(ux_host_stack_class_instance_destroy)* |
| ![Host Stack Configuration Delete icon](./media/user-guide/usbx-events/image187.png) | **Host Stack Configuration Delete** *(ux_host_stack_configuration_delete)* |
| ![Host Stack Configuration Enumerate icon](./media/user-guide/usbx-events/image188.png) | **Host Stack Configuration Enumerate** *(ux_host_stack_configuration_enumerate)* |
| ![Host Stack Configuration Instance Create icon](./media/user-guide/usbx-events/image189.png) | **Host Stack Configuration Instance Create** *(ux_host_stack_configuration_instance_create)* |
| ![Host Stack Configuration Instance Delete icon](./media/user-guide/usbx-events/image190.png) | **Host Stack Configuration Instance Delete** *(ux_host_stack_configuration_instance_delete)* |
| ![Host Stack Configuration Set icon](./media/user-guide/usbx-events/image191.png) | **Host Stack Configuration Set** *(ux_host_stack_configuration_set)* |
| ![Host Stack Device Address Set icon](./media/user-guide/usbx-events/image192.png) | **Host Stack Device Address Set** *(ux_host_stack_device_set)* |
| ![Host Stack Device Configuration Get icon](./media/user-guide/usbx-events/image193.png) | **Host Stack Device Configuration Get** *(ux_host_stack_device_configuration_get)* |
| ![Host Stack Device Configuration Select icon](./media/user-guide/usbx-events/image194.png) | **Host Stack Device Configuration Select** *(ux_host_stack_device_configuration_select)* |
| ![Host Stack Device Descriptor Read icon](./media/user-guide/usbx-events/image195.png) | **Host Stack Device Descriptor Read** *(ux_host_stack_device_descriptor_read)* |
| ![Host Stack Device Get icon](./media/user-guide/usbx-events/image196.png) | **Host Stack Device Get** (ux_host_stack_device_get) |
| ![Host Stack Device Remove icon](./media/user-guide/usbx-events/image197.png) | **Host Stack Device Remove** (ux_host_stack_device_get) |
| ![Host Stack Device Resource Free icon](./media/user-guide/usbx-events/image198.png) | **Host Stack Device Resource Free** (ux_host_stack_device_resource_free) |
| ![Host Stack Endpoint Instance Create icon](./media/user-guide/usbx-events/image199.png) | **Host Stack Endpoint Instance Create** (ux_host_stack_endpoint_instance_create) |
| ![Host Stack Endpoint Instance Delete icon](./media/user-guide/usbx-events/image200.png) | **Host Stack Endpoint Instance Delete** (ux_host_stack_endpoint_instance_delete) |
| ![Host Stack Endpoint Reset icon](./media/user-guide/usbx-events/image201.png) | **Host Stack Endpoint Reset** (ux_host_stack_endpoint_reset) |
| ![Host Stack Endpoint Transfer Abort icon](./media/user-guide/usbx-events/image202.png) | **Host Stack Endpoint Transfer Abort** (ux_host_stack_endpoint_transfer_abort) |
| ![Host Stack Host Controller Register icon](./media/user-guide/usbx-events/image203.png) | **Host Stack Host Controller Register** *(ux_host_stack_hcd_register)* |
| ![Host Stack Initialize icon](./media/user-guide/usbx-events/image204.png) | **Host Stack Initialize** *(ux_host_stack_initialize)* |
| ![Host Stack Interface Endpoint Get icon](./media/user-guide/usbx-events/image205.png) | **Host Stack Interface Endpoint Get** *(ux_host_stack_interface_endpoint_get)* |
| ![Host Stack Interface Instance Create icon](./media/user-guide/usbx-events/image206.png) | **Host Stack Interface Instance Create** *(ux_host_stack_interface_instance_create)* |
| ![Host Stack Interface Instance Delete icon](./media/user-guide/usbx-events/image207.png) | **Host Stack Interface Instance Delete** *(ux_host_stack_interface_instance_delete)* |
| ![Host Stack Interface Set icon](./media/user-guide/usbx-events/image208.png) | **Host Stack Interface Set** *(ux_host_stack_interface_set)* |
| ![Host Stack Interface Setting Select icon](./media/user-guide/usbx-events/image209.png) | **Host Stack Interface Setting Select** *(ux_host_stack_interface_setting_select)* |
| ![Host Stack New Configuration Create icon](./media/user-guide/usbx-events/image210.png) | **Host Stack New Configuration Create** *(ux_host_stack_new_configuration_create)* |
| ![Host Stack New Device Create icon](./media/user-guide/usbx-events/image211.png) | **Host Stack New Device Create** *(ux_host_stack_new_device_create)* |
| ![Host Stack New Endpoint Create icon](./media/user-guide/usbx-events/image212.png) | **Host Stack New Endpoint Create** *(ux_host_stack_new_endpoint_create)* |
| ![Host Stack Root Hub Change Process icon](./media/user-guide/usbx-events/image213.png) | **Host Stack Root Hub Change Process** *(ux_host_stack_rh_change_process)* |
| ![Host Stack Root Hub Device Extraction icon](./media/user-guide/usbx-events/image214.png) | **Host Stack Root Hub Device Extraction** *(ux_host_stack_rh_device_extraction)* |
| ![Host Stack Root Hub Device Insertion icon](./media/user-guide/usbx-events/image215.png) | **Host Stack Root Hub Device Insertion** *(ux_host_stack_rh_device_insertion)* |
| ![Host Stack Transfer Request icon](./media/user-guide/usbx-events/image216.png) | **Host Stack Transfer Request** *(ux_host_stack_transfer_request)* |
| ![Host Stack Transfer Request Abort icon](./media/user-guide/usbx-events/image217.png) | **Host Stack Transfer Request Abort** *(ux_host_stack_transfer_request_abort)* |
| ![U S B X Error icon](./media/user-guide/usbx-events/image218.png) | **USBX Error** *(ux_error)* |
## Event Descriptions
The following pages describe the USBX Trace Events.
### Device Class Cdc Activate
#### ux_device_class_cdc_activate
**Icon** ![Device Class C D C Activate icon](./media/user-guide/usbx-events/image1.png)
**Description**
This event represents a USBX Device Class Cdc Activate Event.
**Information Fields**
- Info Field 1: Class Instance.
- Info Field 2: Not used.
- Info Field 3: Not used.
- Info Field 4: Not used.
### Device Class Cdc Deactivate
#### ux_device_class_cdc_deactivate
**Icon** ![Device Class C D C Deactivate icon](./media/user-guide/usbx-events/image2.png)
**Description**
This event represents a USBX Device Class Cdc Deactivate.
Information Fields
- Info Field 1: Class Instance.
- Info Field 2: Not used.
- Info Field 3: Not used.
- Info Field 4: Not used.
### Device Class Cdc Read
#### ux_device_class_cdc_read
**Icon** ![Device Class C D C Read icon](./media/user-guide/usbx-events/image3.png)
**Description**
This event represents a USBX Device Class Cdc Read Event.
**Information Fields**
- Info Field 1: Class Instance.
- Info Field 2: Data pointer.
- Info Field 3: Requested length.
- Info Field 4: Not used.
### Device Class Cdc Write
#### ux_device_class_cdc_write
**Icon** ![Device Class C D C Write icon](./media/user-guide/usbx-events/image4.png)
**Description**
This event represents a USBX Device Class Cdc Write Event.
**Information Fields**
- Info Field 1: Class Instance.
- Info Field 2: Data pointer.
- Info Field 3: Requested length.
- Info Field 4: Not used.
### Device Class Dpump Activate
#### ux_device_class_dpump_activate
**Icon** ![Device Class Dpump Activate icon](./media/user-guide/usbx-events/image5.png)
**Description**
This event represents a USBX Device Class Dpump Activate Event.
**Information Fields**
- Info Field 1: Class Instance.
- Info Field 2: Not used.
- Info Field 3: Not used.
- Info Field 4: Not used.
### Device Class Dpump Deactivate
#### ux_device_class_dpump_deactivate
**Icon** ![Device Class Dpump Deactivate icon](./media/user-guide/usbx-events/image6.png)
**Description**
This event represents a USBX Device Class Dpump Deactivate Event.
**Information Fields**
- Info Field 1: Class Instance.
- Info Field 2: Not used.
- Info Field 3: Not used.
- Info Field 4: Not used.
### Device Class Dpump Read
#### ux_device_class_dpump_read
**Icon** ![Device Class Dpump Read icon](./media/user-guide/usbx-events/image7.png)
**Description**
This event represents a USBX Device Class Dpump Read Event.
**Information Fields**
- Info Field 1: Class Instance.
- Info Field 2: Buffer.
- Info Field 3: Requested length.
- Info Field 4: Not used.
### Device Class Dpump Write
#### ux_device_class_dpump_write
**Icon** ![Device Class Dpump Write icon](./media/user-guide/usbx-events/image8.png)
**Description**
This event represents a USBX Device Class Dpump Write Event.
**Information Fields**
- Info Field 1: Class Instance.
- Info Field 2: Data pointer.
- Info Field 3: Requested length.
- Info Field 4: Not used.
### Device Class Hid Activate
#### ux_device_class_hid_activate
**Icon** ![Device Class Hid Activate icon](./media/user-guide/usbx-events/image9.png)
**Description**
This event represents a USBX Device Class Hid Activate Event.
**Information Fields**
- Info Field 1: Class Instance.
- Info Field 2: Not used.
- Info Field 3: Not used.
- Info Field 4: Not used.
### Device Class Hid Deactivate
#### ux_device_class_hid_deactivate
**Icon** ![Device Class Hid Deactivate icon](./media/user-guide/usbx-events/image10.png)
**Description**
This event represents a USBX Device Class Hid Deactivate Event.
**Information Fields**
- Info Field 1: Class Instance.
- Info Field 2: Not used.
- Info Field 3: Not used.
- Info Field 4: Not used.
### Device Class Hid Descriptor Send
#### ux_device_class_hid_descriptor_send
**Icon** ![Device Class Hid Descriptor Send icon](./media/user-guide/usbx-events/image11.png)
**Description**
This event represents a USBX Device Class Hid Descriptor Send Event.
**Information Fields**
- Info Field 1: Class Instance.
- Info Field 2: Descriptor type.
- Info Field 3: Request index.
- Info Field 4: Not used.
### Device Class Hid Event Get
#### ux_device_class_hid_event_get
**Icon** ![Device Class Hid Event Get icon](./media/user-guide/usbx-events/image12.png)
**Description**
This event represents a USBX Device Class Hid Event Get Event.
**Information Fields**
- Info Field 1: Class Instance.
- Info Field 2: Not used.
- Info Field 3: Not used.
- Info Field 4: Not used.
### Device Class Hid Event Set
#### ux_device_class_hid_event_set
**Icon** ![Device Class Hid Event Set icon](./media/user-guide/usbx-events/image13.png)
**Description**
This event represents a USBX Device Class Hid Event Set.
**Information Fields**
- Info Field 1: Class Instance.
- Info Field 2: Not used.
- Info Field 3: Not used.
- Info Field 4: Not used.
### Device Class Hid Report Get
#### ux_device_class_hid_report_get
**Icon** ![Device Class Hid Report Get icon](./media/user-guide/usbx-events/image14.png)
**Description**
This event represents a USBX Device Class Hid Report Get Event.
**Information Fields**
- Info Field 1: Class Instance.
- Info Field 2: Descriptor type.
- Info Field 3: Request index.
- Info Field 4: Not used.
### Device Class Hid Report Set
#### ux_device_class_hid_report_set
**Icon** ![Device Class Hid Report Set icon](./media/user-guide/usbx-events/image15.png)
**Description**
This event represents a USBX Device Class Hid Report Set Event.
**Information Fields**
- Info Field 1: Class Instance.
- Info Field 2: Descriptor type.
- Info Field 3: Request index.
- Info Field 4: Not used.
### Device Class Pima Activate
#### ux_device_class_pima_activate
**Icon** ![Device Class Pima Activate icon](./media/user-guide/usbx-events/image16.png)
**Description**
This event represents a USBX Device Class Pima Activate Event.
**Information Fields**
- Info Field 1: Class Instance.
- Info Field 2: Not used.
- Info Field 3: Not used.
- Info Field 4: Not used.
### Device Class Pima Deactivate
#### ux_device_class_pima_deactivate
**Icon** ![Device Class Pima Deactivate icon](./media/user-guide/usbx-events/image17.png)
**Description**
This event represents a USBX Device Class Pima Deactivate Event.
**Information Fields**
- Info Field 1: Class Instance.
- Info Field 2: Not used.
- Info Field 3: Not used.
- Info Field 4: Not used.
### Device Class Pima Device Info Send
#### ux_device_class_pima_device_info_send
**Icon** ![Device Class Pima Device Info Send icon](./media/user-guide/usbx-events/image18.png)
**Description**
This event represents a USBX Device Class Pima Device Info Send Event.
**Information Fields**
- Info Field 1: Class Instance.
- Info Field 2: Not used.
- Info Field 3: Not used.
### Device Class Pima Event Get
#### ux_device_class_pima_event_get
**Icon** ![Device Class Pima Event Get icon](./media/user-guide/usbx-events/image19.png)
**Description**
This event represents a USBX Device Class Pima Event Get Event.
**Information Fields**
- Info Field 1: Class Instance.
- Info Field 2: Pima event.
- Info Field 3: Not used.
- Info Field 4: Not used.
### Device Class Pima Event Set
#### ux_device_class_pima_event_set
**Icon** ![Device Class Pima Event Set icon](./media/user-guide/usbx-events/image20.png)
**Description**
This event represents a USBX Device Class Pima Event Set Event.
**Information Fields**
- Info Field 1: Class Instance.
- Info Field 2: Pima event.
- Info Field 3: Not used.
- Info Field 4: Not used.
### Device Class Pima Object Add
#### ux_device_class_pima_object_add
**Icon** ![Device Class Pima Object Add icon](./media/user-guide/usbx-events/image21.png)
**Description**
This event represents a USBX Device Class Pima Object Add Event.
**Information Fields**
- Info Field 1: Class Instance.
- Info Field 2: Object handle.
- Info Field 3: Not used.
- Info Field 4: Not used.
### Device Class Pima Object Data Get
#### ux_device_class_pima_object_data_get
**Icon** ![Device Class Pima Object Data Get icon](./media/user-guide/usbx-events/image22.png)
**Description**
This event represents a USBX Device Class Pima Object Data Get Event.
**Information Fields**
- Info Field 1: Class Instance.
- Info Field 2: Object handle.
- Info Field 3: Not used.
- Info Field 4: Not used.
### Device Class Pima Object Data Send
#### ux_device_class_pima_object_data_send
**Icon** ![Device Class Pima Object Data Send icon](./media/user-guide/usbx-events/image23.png)
**Description**
This event represents a USBX Device Class Pima Object Data Send Event.
**Information Fields**
- Info Field 1: Class Instance.
- Info Field 2: Object handle.
- Info Field 3: Not used.
- Info Field 4: Not used.
### Device Class Pima Object Delete
#### ux_device_class_pima_object_delete
**Icon** ![Device Class Pima Object Delete icon](./media/user-guide/usbx-events/image24.png)
**Description**
This event represents a USBX Device Class Pima Object Delete Event.
**Information Fields**
- Info Field 1: Class Instance.
- Info Field 2: Object handle.
- Info Field 3: Not used.
- Info Field 4: Not used.
### Device Class Pima Object Handles Send
#### ux_device_class_pima_object_handles_send
**Icon** ![Device Class Pima Object Handles Send icon](./media/user-guide/usbx-events/image25.png)
**Description**
This event represents a USBX Device Class Pima Object Handles Send Event.
**Information Fields**
- Info Field 1: Class instance.
- Info Field 2: Storage ID.
- Info Field 3: Object format code.
- Info Field 4: Object association.
### Device Class Pima Object Info Get
#### ux_device_class_pima_object_info_send
**Icon** ![Device Class Pima Object Info Get icon](./media/user-guide/usbx-events/image26.png)
**Description**
This event represents a USBX Device Class Pima Object Info Get Event.
**Information Fields**
- Info Field 1: Class Instance.
- Info Field 2: Object handle.
- Info Field 3: Not used.
- Info Field 4: Not used.
### Device Class Pima Object Info Send
#### ux_device_class_pima_object_info_send
**Icon** ![Device Class Pima Object Info Send icon](./media/user-guide/usbx-events/image27.png)
**Description**
This event represents a USBX Device Class Pima Object Info Send Event.
**Information Fields**
- Info Field 1: Class Instance.
- Info Field 2: Not used.
- Info Field 3: Not used.
- Info Field 4: Not used.
### Device Class Pima Objects Number Send
#### ux_device_class_pima_object_number_send
**Icon** ![Device Class Pima Objects Number Send icon](./media/user-guide/usbx-events/image28.png)
**Description**
This event represents a USBX Device Class Pima Object Number Send event.
**Information Fields**
- Info Field 1: Class Instance.
- Info Field 2: Storage ID.
- Info Field 3: Object format code.
- Info Field 4: Object associate.
### Device Class Pima Partial Object Data Get
#### ux_device_class_pima_partial_object_data_get
**Icon** ![Device Class Pima Partial Object Data Get icon](./media/user-guide/usbx-events/image29.png)
**Description**
This event represents a USBX Device Class Pima Partial Object Data Get Event.
**Information Fields**
- Info Field 1: Class Instance.
- Info Field 2: Object handle.
- Info Field 3: Offset requested.
- Info Field 4: Length requested.
### Device Class Pima Response Send
#### ux_device_class_pima_response_send
**Icon** ![Device Class Pima Response Send icon](./media/user-guide/usbx-events/image30.png)
**Description**
This event represents a USBX Device Class Pima Response Send Event.
**Information Fields**
- Info Field 1: Class instance.
- Info Field 2: Response code.
- Info Field 3: Number parameter.
- Info Field 4: Pima parameter 1.
### Device Class Pima Storage Id Send
#### ux_device_class_pima_storage_id_send
**Icon** ![Device Class Pima Storage Id Send icon](./media/user-guide/usbx-events/image31.png)
**Description**
This event represents a USBX Device Class Pima Storage Id Send Event.
**Information Fields**
- Info Field 1: Class Instance.
- Info Field 2: Not used.
- Info Field 3: Not used.
- Info Field 4: Not used.
### Device Class Pima Storage Info Send
#### ux_device_class_pima_storage_info_send
**Icon** ![Device Class Pima Storage Info Send icon](./media/user-guide/usbx-events/image32.png)
**Description**
This event represents a USBX Device Class Pima Storage Info Send Event.
**Information Fields**
- Info Field 1: Class Instance.
- Info Field 2: Not used.
- Info Field 3: Not used.
- Info Field 4: Not used.
### Device Class Rndis Activate
#### ux_device_class_rndis_activate
**Icon** ![Device Class Rndis Activate icon](./media/user-guide/usbx-events/image33.png)
**Description**
This event represents a USBX Device Class Rndis Activate Event.
**Information Fields**
- Info Field 1: Class Instance.
- Info Field 2: Not used.
- Info Field 3: Not used.
- Info Field 4: Not used.
### Device Class Rndis Deactivate
#### ux_device_class_rndis_deactivate
**Icon** ![Device Class Rndis Deactivate icon](./media/user-guide/usbx-events/image34.png)
**Description**
This event represents a USBX Device Class Rndis Deactivate Event.
**Information Fields**
- Info Field 1: Class Instance.
- Info Field 2: Not used.
- Info Field 3: Not used.
- Info Field 4: Not used.
### Device Class Rndis Message Keep Alive
#### ux_device_class_rndis_msg_keep_alive
**Icon** ![Device Class Rndis Message Keep Alive icon](./media/user-guide/usbx-events/image35.png)
**Description**
This event represents a USBX Device Class Rndis Message Keep Alive Event.
**Information Fields**
- Info Field 1: Class Instance.
- Info Field 2: Not used.
- Info Field 3: Not used.
- Info Field 4: Not used.
### Device Class Rndis Message Query
#### ux_device_class_rndis_msg_keep_query
**Icon** ![Device Class Rndis Message Query icon](./media/user-guide/usbx-events/image36.png)
**Description**
This event represents a USBX Device Class Rndis Message Query Event.
**Information Fields**
- Info Field 1: Class Instance.
- Info Field 2: Rndis OID.
- Info Field 3: Not used.
- Info Field 4: Not used.
### Device Class Rndis Message Reset
#### ux_device_class_rndis_msg_reset
**Icon** ![Device Class Rndis Message Reset icon](./media/user-guide/usbx-events/image37.png)
**Description**
This event represents a USBX Device Class Rndis Message Reset Event.
**Information Fields**
- Info Field 1: Class Instance.
- Info Field 2: Not used.
- Info Field 3: Not used.
### Device Class Rndis Message Set
#### ux_device_class_rndis_msg_set
**Icon** ![Device Class Rndis Message Set icon](./media/user-guide/usbx-events/image38.png)
**Description**
This event represents a USBX Device Class Rndis Message Set Event.
**Information Fields**
- Info Field 1: Class Instance.
- Info Field 2: Rndis OID.
- Info Field 3: Not used.
- Info Field 4: Not used.
### Device Class Rndis Packet Receive
#### ux_device_class_rndis_packet_receive
**Icon** ![Device Class Rndis Packet Receive icon](./media/user-guide/usbx-events/image39.png)
**Description**
This event represents a USBX Device Class Rndis Packet Receive Event.
**Information Fields**
- Info Field 1: Class Instance.
- Info Field 2: Not used.
- Info Field 3: Not used.
- Info Field 4: Not used.
### Device Class Rndis Packet Transmit
#### ux_device_class_rndis_packet_transmit
**Icon** ![Device Class Rndis Packet Transmit icon](./media/user-guide/usbx-events/image40.png)
**Description**
This event represents a USBX Device Class Rndis Packet Transmit Event.
**Information Fields**
- Info Field 1: Class Instance.
- Info Field 2: Not used.
- Info Field 3: Not used.
- Info Field 4: Not used.
### Device Class Storage Activate
#### ux_device_class_storage_activate
**Icon** ![Device Class Storage Activate icon](./media/user-guide/usbx-events/image41.png)
**Description**
This event represents a USBX Device Class Storage Activate Event.
**Information Fields**
- Info Field 1: Class Instance.
- Info Field 2: Not used.
- Info Field 3: Not used.
- Info Field 4: Not used.
### Device Class Storage Deactivate
#### ux_device_class_storage_deactivate
**Icon** ![Device Class Storage Deactivate icon](./media/user-guide/usbx-events/image42.png)
**Description**
This event represents a USBX Device Class Storage Deactivate Event.
**Information Fields**
- Info Field 1: Class Instance.
- Info Field 2: Not used.
- Info Field 3: Not used.
- Info Field 4: Not used.
### Device Class Storage Format
#### ux_device_class_storage_format
**Icon** ![Device Class Storage Format icon](./media/user-guide/usbx-events/image43.png)
**Description**
This event represents a USBX Device Class Storage Format Event.
**Information Fields**
- Info Field 1: Class Instance.
- Info Field 2: Lun.
- Info Field 3: Not used.
- Info Field 4: Not used.
### Device Class Storage Inquiry
#### ux_device_class_storage_inquiry
**Icon** ![Device Class Storage Inquiry icon](./media/user-guide/usbx-events/image44.png)
**Description**
This event represents a USBX Device Class Storage Inquiry Event.
**Information Fields**
- Info Field 1: Class Instance.
- Info Field 2: Lun.
- Info Field 3: Not used.
- Info Field 4: Not used.
### Device Class Storage Mode Select
#### ux_device_class_storage_mode_select
**Icon** ![Device Class Storage Mode Select icon](./media/user-guide/usbx-events/image45.png)
**Description**
This event represents a USBX Device Class Storage Mode Select Event.
**Information Fields**
- Info Field 1: Class Instance.
- Info Field 2: Lun.
- Info Field 3: Not used.
- Info Field 4: Not used.
### Device Class Storage Mode Sense
#### ux_device_class_storage_mode_sense
**Icon** ![Device Class Storage Mode Sense icon](./media/user-guide/usbx-events/image46.png)
**Description**
This event represents a USBX Device Class Storage Mode Sense Event.
Information Fields
- nfo Field 1: Class Instance.
- Info Field 2: Lun.
- Info Field 3: Not used.
- Info Field 4: Not used.
### Device Class Storage Prevent Allow Media Removal
#### ux_device_class_storage_prevent_allow_media_removal
**Icon** ![Device Class Storage Prevent Allow Media Removal icon](./media/user-guide/usbx-events/image47.png)
**Description**
This event represents a USBX Device Class Storage Prevent Allow Media Removal Event.
**Information Fields**
- Info Field 1: Class Instance.
- Info Field 2: Lun.
- Info Field 3: Not used.
- Info Field 4: Not used.
### Device Class Storage Read
#### ux_device_class_storage_read
**Icon** ![Device Class Storage Read icon](./media/user-guide/usbx-events/image48.png)
**Description**
This event represents a USBX Device Class Storage Read Event.
**Information Fields**
- Info Field 1: Class Instance.
- Info Field 2: Lun.
- Info Field 3: Sector.
- Info Field 4: Number sectors.
### Device Class Storage Read Capacity
#### ux_device_class_storage_read_capacity
**Icon** ![Device Class Storage Read Capacity icon](./media/user-guide/usbx-events/image49.png)
**Description**
This event represents a USBX Device Class Storage Read Capacity Event.
**Information Fields**
- Info Field 1: Class Instance.
- Info Field 2: Lun.
- Info Field 3: Not used.
- Info Field 4: Not used.
### Device Class Storage Read Format Capacity
#### ux_device_class_storage_read_format_capacity
**Icon** ![Device Class Storage Read Format Capacity icon](./media/user-guide/usbx-events/image50.png)
**Description**
This event represents a USBX Device Class Storage Read Format Capacity Event.
**Information Fields**
- Info Field 1: Class Instance.
- Info Field 2: Lun.
- Info Field 3: Not used.
- Info Field 4: Not used.
### Device Class Storage Read TOC
#### ux_device_class_storage_read_toc
**Icon** ![Device Class Storage Read TOC icon](./media/user-guide/usbx-events/image51.png)
**Description**
This event represents a USBX Device Class Storage Read TOC Event.
**Information Fields**
- Info Field 1: Class Instance.
- Info Field 2: Lun.
- Info Field 3: Not used.
- Info Field 4: Not used.
### Device Class Storage Request Sense
#### ux_device_class_storage_request_sense
**Icon** ![Device Class Storage Request Sense icon](./media/user-guide/usbx-events/image52.png)
**Description**
This event represents a USBX Device Class Storage Request Sense Event.
**Information Fields**
- Info Field 1: Class Instance.
- Info Field 2: Lun.
- Info Field 3: Sense key.
- Info Field 4: Code.
### Device Class Storage Start Stop
#### ux_device_class_storage_start_stop
**Icon** ![Device Class Storage Start Stop icon](./media/user-guide/usbx-events/image53.png)
**Description**
This event represents a USBX Device Class Storage Start Stop Event.
**Information Fields**
- Info Field 1: Class Instance.
- Info Field 2: Lun.
- Info Field 3: Not used.
- Info Field 4: Not used.
### Device Class Storage Test Ready
#### ux_device_class_storage_test_ready
**Icon** ![Device Class Storage Test Ready icon](./media/user-guide/usbx-events/image54.png)
**Description**
This event represents a USBX Device Class Storage Test Ready Event.
**Information Fields**
- Info Field 1: Class Instance.
- Info Field 2: Lun.
- Info Field 3: Not used.
- Info Field 4: Not used.
### Device Class Storage Verify
#### ux_device_class_storage_verify
**Icon** ![Device Class Storage Verify icon](./media/user-guide/usbx-events/image55.png)
**Description**
This event represents a USBX Device Class Storage Verify Event.
**Information Fields**
- Info Field 1: Class Instance.
- Info Field 2: Lun.
- Info Field 3: Not used.
- Info Field 4: Not used.
### Device Class Storage Write
#### ux_device_class_storage_write
**Icon** ![Device Class Storage Write icon](./media/user-guide/usbx-events/image56.png)
**Description**
This event represents a USBX Device Class Storage Write Event.
**Information Fields**
- Info Field 1: Class Instance.
- Info Field 2: Lun.
- Info Field 3: Sector.
- Info Field 4: Number sectors.
### Device Stack Alternate Setting Get
#### ux_device_class_alternate_setting_get
**Icon** ![Device Stack Alternate Setting Get icon](./media/user-guide/usbx-events/image57.png)
**Description**
This event represents a USBX Device Stack Alternate Setting Get Event.
**Information Fields**
- Info Field 1: Interface value.
- Info Field 2: Not used.
- Info Field 3: Not used.
- Info Field 4: Not used.
### Device Stack Alternate Setting Set
#### ux_device_class_alternate_setting_set
**Icon** ![Device Stack Alternate Setting Set icon](./media/user-guide/usbx-events/image58.png)
**Description**
This event represents a USBX Device Stack Alternate Setting Set Event.
**Information Fields**
- Info Field 1: Interface value.
- Info Field 2: Alternate setting value.
- Info Field 3: Not used.
- Info Field 4: Not used.
### Device Stack Class Register
#### ux_device_stack_class_register
**Icon** ![Device Stack Class Register icon](./media/user-guide/usbx-events/image59.png)
**Description**
This event represents a USBX Device Stack Class Register Event.
**Information Fields**
- Info Field 1: Class name.
- Info Field 2: Interface number.
- Info Field 3: Parameter.
- Info Field 4: Not used.
### Device Stack Clear Feature
#### ux_device_stack_clear_feature
**Icon** ![Device Stack Clear Feature icon](./media/user-guide/usbx-events/image60.png)
**Description**
This event represents a USBX Device Stack Clear Feature Event.
**Information Fields**
- Info Field 1: Request type.
- Info Field 2: Request value. Info Field 3: Request index.
- Info Field 4: Not used.
### Device Stack Configuration Get
#### ux_device_stack_configuration_get t
**Icon** ![Device Stack Configuration Get icon](./media/user-guide/usbx-events/image61.png)
**Description**
This event represents a USBX Device Stack Configuration Get Event.
**Information Fields**
- Info Field 1: Configuration value.
- Info Field 2: Not used.
- Info Field 3: Not used.
- Info Field 4: Not used.
### Device Stack Configuration Set
#### ux_device_stack_configuration_set
**Icon** ![Device Stack Configuration Set icon](./media/user-guide/usbx-events/image62.png)
**Description**
This event represents a USBX Device Stack Configuration Set Event.
**Information Fields**
- Info Field 1: Configuration value.
- Info Field 2: Not used.
- Info Field 3: Not used.
- Info Field 4: Not used.
### Device Stack Connect
#### ux_device_stack_connect
**Icon** ![Device Stack Connect icon](./media/user-guide/usbx-events/image63.png)
**Description**
This event represents a USBX Device Stack Descriptor Send Event.
**Information Fields**
- Info Field 1: Not used.
- Info Field 2: Not used.
- Info Field 3: Not used.
- Info Field 4: Not used.
### Device Stack Descriptor Send
#### ux_device_stack_descriptor_send
**Icon** ![Device Stack Descriptor Send icon](./media/user-guide/usbx-events/image64.png)
**Description**
This event represents a USBX Device Stack Descriptor Send Event.
**Information Fields**
- Info Field 1: Descriptor type.
- Info Field 2: Request index.
- Info Field 3: Not used.
- Info Field 4: Not used.
### Device Stack Disconnect
#### ux_device_stack_disconnect
**Icon** ![Device Stack Disconnect icon](./media/user-guide/usbx-events/image65.png)
**Description**
This event represents a USBX Device Stack Disconnect Event.
**Information Fields**
- Info Field 1: Device.
- Info Field 2: Not used.
- Info Field 3: Not used.
- Info Field 4: Not used.
### Device Stack Endpoint Stall
#### ux_device_stack_endpoint_stall
**Icon** ![Device Stack Endpoint Stall icon](./media/user-guide/usbx-events/image66.png)
**Description**
This event represents a USBX Device Stack Endpoint Stall Event.
**Information Fields**
- Info Field 1: Endpoint.
- Info Field 2: Not used.
- Info Field 3: Not used.
- Info Field 4: Not used.
### Device Stack Get Status
#### ux_device_stack_get_status
**Icon** ![Device Stack Get Status icon](./media/user-guide/usbx-events/image67.png)
**Description**
This event represents a USBX Device Stack Get Status Event.
**Information Fields**
- Info Field 1: Not used.
- Info Field 2: Not used.
- Info Field 3: Not used.
- Info Field 4: Not used.
### Device Stack Host Wakeup
#### ux_device_stack_host_wakeup
**Icon** ![Device Stack Host Wakeup icon](./media/user-guide/usbx-events/image68.png)
**Description**
This event represents a USBX Device Stack Host Wakeup Event.
**Information Fields**
- Info Field 1: Not used.
- Info Field 2: Not used.
- Info Field 3: Not used.
- Info Field 4: Not used.
### Device Stack Initialize
#### ux_device_stack_initialize
**Icon** ![Device Stack Initialize icon](./media/user-guide/usbx-events/image69.png)
**Description**
This event represents a USBX Device Stack Initialize Event.
**Information Fields**
- Info Field 1: Not used.
- Info Field 2: Not used.
- Info Field 3: Not used.
- Info Field 4: Not used.
### Device Stack Interface Delete
#### ux_device_stack_interface_delete
**Icon** ![Device Stack Interface Delete icon](./media/user-guide/usbx-events/image70.png)
**Description**
This event represents a USBX Device Stack Interface Delete Event.
**Information Fields**
- Info Field 1: Interface.
- Info Field 2: Not used.
- Info Field 3: Not used.
- Info Field 4: Not used.
### Device Stack Interface Get
#### ux_device_stack_interface_get
**Icon** ![Device Stack Interface Get icon](./media/user-guide/usbx-events/image71.png)
**Description**
This event represents a USBX Device Stack Interface Get Event.
**Information Fields**
- Info Field 1: Interface value.
- Info Field 2: Not used.
- Info Field 3: Not used.
- Info Field 4: Not used.
### Device Stack Interface Set
#### ux_device_stack_interface_set
**Icon** ![Device Stack Interface Set icon](./media/user-guide/usbx-events/image72.png)
**Description**
This event represents a USBX Device Stack Interface Set Event.
**Information Fields**
- Info Field 1: Request value. Info Field 2: Request index.
- Info Field 3: Not used.
- Info Field 4: Not used.
### Device Stack Set Feature
#### ux_device_stack_set_feature
**Icon** ![Device Stack Set Feature icon](./media/user-guide/usbx-events/image73.png)
**Description**
This event represents a USBX Device Stack Set Feature Event.
**Information Fields**
- Info Field 1: Request value. Info Field 2: Request index.
- Info Field 3: Not used.
- Info Field 4: Not used.
### Device Stack Transfer Abort
#### ux_device_stack_transfer_abort
**Icon** ![Device Stack Transfer Abort icon](./media/user-guide/usbx-events/image74.png)
**Description**
This event represents a USBX Device Stack Transfer Abort Event.
**Information Fields**
- Info Field 1: Transfer request.
- Info Field 2: Completion code.
- Info Field 3: Not used.
- Info Field 4: Not used.
### Device Stack Transfer All Request Abort
#### ux_device_stack_transfer_all_request_abort
**Icon** ![Device Stack Transfer All Request Abort icon](./media/user-guide/usbx-events/image75.png)
**Description**
This event represents a USBX Device Stack Transfer All Request Abort Event.
**Information Fields**
- Info Field 1: Endpoint.
- Info Field 2: Completion code.
- Info Field 3: Not used.
- Info Field 4: Not used.
### Device Stack Transfer Request
#### ux_device_stack_transfer_request
**Icon** ![Device Stack Transfer Request icon](./media/user-guide/usbx-events/image76.png)
**Description**
This event represents a USBX Device Stack Transfer Request Event.
**Information Fields**
- Info Field 1: Transfer request.
- Info Field 2: Not used.
- Info Field 3: Not used.
- Info Field 4: Not used.
### Host Class Asix Activate
#### ux_host_class_asix_activate
**Icon** ![Host Class Asix Activate icon](./media/user-guide/usbx-events/image77.png)
**Description**
This event represents a USBX Host Class Asix Activate.
**Information Fields**
- Info Field 1: Class Instance.
- Info Field 2: Not used.
- Info Field 3: Not used.
- Info Field 4: Not used.
### Host Class Asix Deactivate
#### ux_host_class_asix_deactivate
**Icon** ![Host Class Asix Deactivate icon](./media/user-guide/usbx-events/image78.png)
**Description**
This event represents a USBX Host Class Asix Deactivate Event.
**Information Fields**
- Info Field 1: Class Instance.
- Info Field 2: Not used.
- Info Field 3: Not used.
- Info Field 4: Not used.
### Host Class Asix Interrupt Notification
#### ux_host_class_asix_interrupt_notification
**Icon** ![Host Class Asix Interrupt Notification icon](./media/user-guide/usbx-events/image79.png)
**Description**
This event represents a USBX Host Class Asix Interrupt Notification Event.
**Information Fields**
- Info Field 1: Class Instance.
- Info Field 2: Not used.
- Info Field 3: Not used.
- Info Field 4: Not used.
### Host Class Asix Read
#### ux_host_class_asix_read
**Icon** ![Host Class Asix Read icon](./media/user-guide/usbx-events/image80.png)
**Description**
This event represents a USBX Host Class Asix Read Event.
**Information Fields**
- Info Field 1: Class instance.
- Info Field 2: Data pointer.
- Info Field 3: Requested length.
- Info Field 4: Not used.
### Host Class Asix Write
#### ux_host_class_asix_write
**Icon** ![Host Class Asix Write icon](./media/user-guide/usbx-events/image81.png)
**Description**
This event represents a USBX Host Class Asix Write Event.
**Information Fields**
- Info Field 1: Class instance.
- Info Field 2: Data pointer.
- Info Field 3: Requested length.
- Info Field 4: Not used.
### Host Class Audio Activate
#### ux_host_class_audio_activate
**Icon** ![Host Class Audio Activate icon](./media/user-guide/usbx-events/image82.png)
**Description**
This event represents a USBX Host Class Audio Activate Event.
**Information Fields**
- Info Field 1: Class instance.
- Info Field 2: Not used.
- Info Field 3: Not used.
- Info Field 4: Not used.
### Host Class Audio Control Value Get
#### ux_host_class_audio_control_value_get
**Icon** ![Host Class Audio Control Value Get icon](./media/user-guide/usbx-events/image83.png)
**Description**
This event represents a USBX Host Class Audio Control Value Get Event.
**Information Fields**
- Info Field 1: Class instance.
- Info Field 2: Not used.
- Info Field 3: Not used.
- Info Field 4: Not used.
### Host Class Audio Control Value Set
#### ux_host_class_audio_control_value_set
**Icon** ![Host Class Audio Control Value Set icon](./media/user-guide/usbx-events/image84.png)
**Description**
This event represents an internal NetX Duo I/O driver deferred processing event.
**Information Fields**
- Info Field 1: Class instance.
- Info Field 2: Audio control.
- Info Field 3: Not used.
- Info Field 4: Not used.
### Host Class Audio Deactivate
#### ux_host_class_audio_deactivate
**Icon** ![Host Class Audio Deactivate icon](./media/user-guide/usbx-events/image85.png)
**Description**
This event represents a USBX Host Class Audio Deactivate Event.
**Information Fields**
- Info Field 1: Class instance.
- Info Field 2: Not used.
- Info Field 3: Not used.
- Info Field 4: Not used.
### Host Class Audio Read
#### ux_host_class_audio_read
**Icon** ![Host Class Audio Read icon](./media/user-guide/usbx-events/image86.png)
**Description**
This event represents a USBX Host Class Audio Read Event.
- Information Fields
- Info Field 1: Class instance.
- Info Field 2: Data pointer.
- Info Field 3: Requested length.
- Info Field 4: Not used.
### Host Class Audio Streaming Sampling Get
#### ux_host_class_audio_streaming_sampling_get
**Icon** ![Host Class Audio Streaming Sampling Get icon](./media/user-guide/usbx-events/image87.png)
**Description**
This event represents a USBX Host Class Audio Streaming Sampling Get Event.
**Information Fields**
- Info Field 1: Class instance.
- Info Field 2: Not used.
- Info Field 3: Not used.
- Info Field 4: Not used.
### Host Class Audio Streaming Sampling Set
#### ux_host_class_audio_streaming_sampling_set
**Icon** ![Host Class Audio Streaming Sampling Set icon](./media/user-guide/usbx-events/image88.png)
**Description**
This event represents a USBX Host Class Audio Streaming Sampling Set Event.
**Information Fields**
- Info Field 1: Class instance.
- Info Field 2: Audio Sampling.
- Info Field 3: Not used.
- Info Field 4: Not used.
### Host Class Audio Write
#### ux_host_class_audio_write
**Icon** ![Host Class Audio Write icon](./media/user-guide/usbx-events/image89.png)
**Description**
This event represents a USBX Host Class Audio Write Event.
**Information Fields**
- Info Field 1: Class instance.
- Info Field 2: Data pointer.
- Info Field 3: Requested length.
- Info Field 4: Not used.
### Host Class Cdc Acm Activate
#### ux_host_class_cdc_acm_activate
**Icon** ![Host Class C D C A C M Activate icon](./media/user-guide/usbx-events/image90.png)
**Description**
This event represents a USBX Host Class Cdc Acm Activate Event.
**Information Fields**
- Info Field 1: Class instance.
- Info Field 2: Not used.
- Info Field 3: Not used.
- Info Field 4: Not used.
### Host Class Cdc Acm Deactivate
#### ux_host_class_cdc_acm_deactivate
**Icon** ![Host Class C D C A C M Deactivate icon](./media/user-guide/usbx-events/image91.png)
**Description**
This event represents a USBX Host Class Cdc Acm Deactivate Event.
**Information Fields**
- Info Field 1: Class instance.
- Info Field 2: Not used.
- Info Field 3: Not used.
- Info Field 4: Not used.
### Host Class Cdc Acm Ioctl Abort In Pipe
#### ux_host_class_cdc_acm_ioctl_abort_in_pipe
**Icon** ![Host Class C D C A C M I O C T L Abort In Pipe icon](./media/user-guide/usbx-events/image92.png)
**Description**
This event represents a USBX Host Class Cdc Acm Ioctl Abort In Pipe Event.
Information Fields
- Info Field 1: Class instance.
- Info Field 2: Endpoint.
- Info Field 3: Not used.
- Info Field 4: Not used.
### Host Class Cdc Acm Ioctl Abort Out Pipe
#### ux_host_class_cdc_acm_ioctl_abort_out_pipe
**Icon** ![[Host Class C D C A C M I O C T L Abort Out Pipe icon](./media/user-guide/usbx-events/image93.png)
**Description**
This event represents a USBX Host Class Cdc Acm Ioctl Abort Out Pipe Event.
**Information Fields**
- Info Field 1: Class instance.
- Info Field 2: Endpoint.
- Info Field 3: Not used.
- Info Field 4: Not used.
### Host Class Cdc Acm Ioctl Get Device Status
#### ux_host_class_cdc_acm_ioctl_get_device_status
**Icon** ![Host Class C D C A C M I O C T L Get Device Status icon](./media/user-guide/usbx-events/image94.png)
**Description**
This event represents a USBX Host Class Cdc Acm Ioctl Get Device Status Event.
**Information Fields**
- Info Field 1: Class instance.
- Info Field 2: Device status.
- Info Field 3: Not used.
- Info Field 4: Not used.
### Host Class Cdc Acm Ioctl Get Line Coding
#### ux_host_class_cdc_acm_ioctl_get_line_coding
**Icon** ![Host Class C D C A C M I O C T L Get Line Coding icon](./media/user-guide/usbx-events/image95.png)
**Description**
This event represents a USBX Host Class Cdc Acm Ioctl Get Line Coding Event.
**Information Fields**
- Info Field 1: Class instance.
- Info Field 2: Parameter.
- Info Field 3: Not used.
- Info Field 4: Not used.
### Host Class Cdc Acm Ioctl Notification Callback
#### ux_host_class_cdc_acm_ioctl_notification_callback
**Icon** ![Host Class C D C A C M I O C T L Notification Callback icon](./media/user-guide/usbx-events/image96.png)
**Description**
This event represents a USBX Host Class Cdc Acm Ioctl Notification Callback Event.
**Information Fields**
- Info Field 1: Class instance.
- Info Field 2: Parameter.
- Info Field 3: Not used.
- Info Field 4: Not used.
### Host Class Cdc Acm Ioctl Send Break
#### ux_host_class_cdc_acm_ioctl_send_break
**Icon** ![Host Class C D C A C M I O C T L Send Break icon](./media/user-guide/usbx-events/image97.png)
**Description**
This event represents a USBX Host Class Cdc Acm Ioctl Send Break Event.
**Information Fields**
- Info Field 1: Class instance.
- Info Field 2: Parameter.
- Info Field 3: Not used.
- Info Field 4: Not used.
### Host Class Cdc Acm Ioctl Set Line Coding
#### ux_host_class_cdc_acm_ioctl_set_line_coding
**Icon** ![The Host Class C D C A C M I O C T L Set Line Coding icon](./media/user-guide/usbx-events/image97.png)
icon](./media/user-guide/usbx-events/image98.png)
**Description**
This event represents a USBX Host Class Cdc Acm Ioctl Set Line Coding Event.
**Information Fields**
- Info Field 1: Class instance.
- Info Field 2: Parameter.
- Info Field 3: Not used.
- Info Field 4: Not used.
### Host Class Cdc Acm Ioctl Set Line State
#### ux_host_class_cdc_acm_ioctl_set_line_state
**Icon** ![Host Class C D C A C M I O C T L Set Line State icon](./media/user-guide/usbx-events/image99.png)
**Description**
This event represents a USBX Host Class Cdc Acm Ioctl Set Line State Event.
**Information Fields**
- Info Field 1: Class instance.
- Info Field 2: Parameter.
- Info Field 3: Not used.
- Info Field 4: Not used.
### Host Class Cdc Acm Read
#### ux_host_class_cdc_acm_read
**Icon** ![Host Class C D C A C M Read icon](./media/user-guide/usbx-events/image100.png)
**Description**
This event represents a USBX Host Class Cdc Acm Read Event.
**Information Fields**
- Info Field 1: Class instance.
- Info Field 2: Data pointer.
- Info Field 3: Requested Length.
- Info Field 4: Not used.
### Host Class Cdc Acm Reception Start
#### ux_host_class_cdc_acm_reception_start
**Icon** ![Host Class C D C A C M Reception Start icon](./media/user-guide/usbx-events/image101.png)
**Description**
This event represents a USBX Host Class Cdc Acm Reception Start Event.
**Information Fields**
- Info Field 1: Class instance.
- Info Field 2: Not used.
- Info Field 3: Not used.
- Info Field 4: Not used.
### Host Class Cdc Acm Reception Stop
#### ux_host_class_cdc_acm_reception_stop
**Icon** ![Host Class C D C A C M Reception Stop icon](./media/user-guide/usbx-events/image102.png)
**Description**
This event represents a USBX Host Class Cdc Acm Reception Stop Event.
**Information Fields**
- Info Field 2: Not used.
- Info Field 3: Not used.
- Info Field 4: Not used.
### Host Class Cdc Acm Write
#### ux_host_class_acm_write
**Icon** ![Host Class C D C A C M Write icon](./media/user-guide/usbx-events/image103.png)
**Description**
This event represents a USBX Host Class Cdc Acm Write Event.
**Information Fields**
- Info Field 1: Class instance.
- Info Field 2: Data pointer.
- Info Field 3: Requested Length.
- Info Field 4: Not used.
### Host Class Dpump Activate
#### ux_host_class_dpump_activate
**Icon** ![Host Class Dpump Activate icon](./media/user-guide/usbx-events/image104.png)
**Description**
This event represents a USBX Host Class Dpump Activate Event.
**Information Fields**
- Info Field 1: Class instance.
- Info Field 2: Not used.
- Info Field 3: Not used.
- Info Field 4: Not used.
### Host Class Dpump Deactivate
#### ux_host_class_dpump_deactivate
**Icon** ![Host Class Dpump Deactivate icon](./media/user-guide/usbx-events/image105.png)
**Description**
This event represents a USBX Host Class Dpump Deactivate Event.
**Information Fields**
- Info Field 1: Class instance.
- Info Field 2: Not used.
- Info Field 3: Not used.
- Info Field 4: Not used.
### Host Class Dpump Read
#### ux_host_class_dpump_read
**Icon** ![Host Class Dpump Read icon](./media/user-guide/usbx-events/image106.png)
**Description**
This event represents a USBX Host Class Dpump Read Event.
**Information Fields**
- Info Field 1: Class instance.
- Info Field 2: Data pointer.
- Info Field 3: Requested length.
- Info Field 4: Not used.
### Host Class Dpump Write
#### ux_host_class_dpump_write
**Icon** ![Host Class Dpump Write icon](./media/user-guide/usbx-events/image107.png)
**Description**
This event represents a USBX Host Class Dpump Write Event.
**Information Fields**
- Info Field 1: Class instance.
- Info Field 2: Data pointer.
- Info Field 3: Requested length.
- Info Field 4: Not used.
### Host Class Hid Activate
#### ux_host_class_hid_activate
**Icon** ![Host Class Hid Activate icon](./media/user-guide/usbx-events/image108.png)
**Description**
This event represents a USBX Host Class Hid Activate Event.
**Information Fields**
- Info Field 1: Class instance.
- Info Field 2: Not used.
- Info Field 3: Not used.
- Info Field 4: Not used.
### Host Class Hid Client Register
#### ux_host_class_hid_client_register
**Icon** ![Host Class Hid Client Register icon](./media/user-guide/usbx-events/image109.png)
**Description**
This event represents a USBX Host Class Hid Client Register Event.
**Information Fields**
- Info Field 1: Hid client name.
- Info Field 2: Not used.
- Info Field 3: Not used.
- Info Field 4: Not used.
### Host Class Hid Deactivate
#### ux_host_class_hid_deactivate
**Icon** ![Host Class Hid Deactivate icon](./media/user-guide/usbx-events/image110.png)
**Description**
This event represents a USBX Host Class Hid Deactivate Event.
**Information Fields**
- Info Field 1: Class instance.
- Info Field 2: Not used.
- Info Field 3: Not used.
- Info Field 4: Not used.
### Host Class Hid Idle Get
#### ux_host_class_hid_idle_get
**Icon** ![Host Class Hid Idle Get icon](./media/user-guide/usbx-events/image111.png)
**Description**
This event represents a USBX Host Class Hid Idle Get Event.
**Information Fields**
- Info Field 1: Class instance.
- Info Field 2: Not used.
- Info Field 3: Not used.
- Info Field 4: Not used.
### Host Class Hid Idle Set
#### ux_host_class_hid_idle_set
**Icon** ![Host Class Hid Idle Set icon](./media/user-guide/usbx-events/image112.png)
**Description**
This event represents a USBX Host Class Hid Idle Set Event.
**Information Fields**
- Info Field 1: Class instance.
- Info Field 2: Not used.
- Info Field 3: Not used.
- Info Field 4: Not used.
### Host Class Hid Keyboard Activate
#### ux_host_class_hid_keyboard_activate
**Icon** ![Host Class Hid Keyboard Activate icon](./media/user-guide/usbx-events/image113.png)
**Description**
This event represents a USBX Host Class Hid Keyboard Activate Event.
**Information Fields**
<p>Info Field 1: Class instance.
<p>Info Field 2: Hid client instance.
<p>Info Field 3: Not used.
<p>Info Field 4: Not used.
### Host Class Hid Keyboard Deactivate
#### ux_host_class_hid_keyboard_deactivate
**Icon** ![Host Class Hid Keyboard Deactivate icon](./media/user-guide/usbx-events/image114.png)
**Description**
This event represents a USBX Host Class Hid Keyboard Deactivate Event.
**Information Fields**
- Info Field 1: Class instance.
- Info Field 2: Hid client instance.
- Info Field 3: Not used.
- Info Field 4: Not used.
### Host Class Hid Mouse Activate
#### ux_host_class_hid_mouse_activate
**Icon** ![Host Class Hid Mouse Activate icon](./media/user-guide/usbx-events/image115.png)
**Description**
This event represents a USBX Host Class Hid Mouse Activate Event.
**Information Fields**
- Info Field 1: Class instance.
- Info Field 2: Hid client instance.
- Info Field 3: Not used.
- Info Field 4: Not used.
### Host Class Hid Mouse Deactivate
#### ux_host_class_hid_mouse_deactivate
**Icon** ![Host Class Hid Mouse Deactivate icon](./media/user-guide/usbx-events/image116.png)
**Description**
- This event represents a USBX Host Class Hid Mouse Deactivate Event.
**Information Fields**
- Info Field 1: Class instance.
- Info Field 2: Hid client instance.
- Info Field 3: Not used.
- Info Field 4: Not used.
### Host Class Hid Remote Control Activate
#### ux_host_class_hid_remote_control_activate
**Icon** ![Host Class Hid Remote Control Activate icon](./media/user-guide/usbx-events/image117.png)
**Description**
This event represents a USBX Host Class Hid Remote Control Activate Event.
**Information Fields**
- Info Field 1: Class instance.
- Info Field 2: Hid client instance.
- Info Field 3: Not used.
- Info Field 4: Not used.
### Host Class Hid Remote Control Deactivate
#### ux_host_class_hid_remote_control_deactivate
**Icon** ![Host Class Hid Remote Control Deactivate icon](./media/user-guide/usbx-events/image118.png)
**Description**
This event represents a USBX Host Class Hid Remote Control Deactivate Event.
**Information Fields**
- Info Field 1: Class instance.
- Info Field 2: Hid client instance.
- Info Field 3: Not used.
- Info Field 4: Not used.
### Host Class Hid Report Get
#### ux_host_class_hid_report_get
**Icon** ![Host Class Hid Report Get icon](./media/user-guide/usbx-events/image119.png)
**Description**
This event represents a USBX Host Class Hid Report Get.
**Information Fields**
- Info Field 1: Class instance.
- Info Field 2: Client report.
- Info Field 3: Not used.
- Info Field 4: Not used.
### Host Class Hid Report Set
#### ux_host_class_hid_report_set
**Icon** ![Host Class Hid Report Set icon](./media/user-guide/usbx-events/image120.png)
**Description**
This event represents a USBX Host Class Hid Report Set.
**Information Fields**
- Info Field 1: Class instance.
- Info Field 2: Client report.
- Info Field 3: Not used.
- Info Field 4: Not used.
### Host Class Hub Activate
#### ux_host_class_hub_activate
**Icon** ![Host Class Hub Activate icon](./media/user-guide/usbx-events/image121.png)
**Description**
This event represents a USBX Host Class Hub Activate Event.
**Information Fields**
- Info Field 1: Class instance.
- Info Field 2: Not used.
- Info Field 3: Not used.
- Info Field 4: Not used.
### Host Class Hub Change Detect
#### ux_host_class_hub_change_detect
**Icon** ![Host Class Hub Change Detect icon](./media/user-guide/usbx-events/image122.png)
**Description**
This event represents a USBX Host Class Hub Change Detect Event.
**Information Fields**
- Info Field 1: Class instance.
- Info Field 2: Not used.
- Info Field 3: Not used.
- Info Field 4: Not used.
### Host Class Hub Deactivate
#### ux_host_class_hub_deactivate
**Icon** ![Host Class Hub Deactivate icon](./media/user-guide/usbx-events/image123.png)
**Description**
This event represents a USBX Host Class Hub Deactivate Event.
**Information Fields**
- Info Field 1: Class instance.
- Info Field 2: Not used.
- Info Field 3: Not used.
- Info Field 4: Not used.
### Host Class Hub Port Change Connection Process
#### ux_host_class_hub_change_connection_process
**Icon** ![Host Class Hub Port Change Connection Process icon](./media/user-guide/usbx-events/image124.png)
**Description**
This event represents a USBX Host Class Hub Port Change Connection Process Event.
**Information Fields**
- Info Field 1: Class instance.
- Info Field 2: Port.
- Info Field 3: Port status.
- Info Field 4: Not used.
### Host Class Hub Port Change Enable Process
#### ux_host_class_hub_port_change_enable_process
**Icon** ![Host Class Hub Port Change Enable Process icon](./media/user-guide/usbx-events/image125.png)
**Description**
This event represents a USBX Host Class Hub Port Change Enable Process Event.
**Information Fields**
- Info Field 1: Class instance.
- Info Field 2: Port.
- Info Field 3: Port status.
- Info Field 4: Not used.
### Host Class Hub Port Change Over Current Process
#### ux_host_class_hub_port_change_over_current_process
**Icon** ![Host Class Hub Port Change Over Current Process icon](./media/user-guide/usbx-events/image126.png)
**Description**
This event represents allocating a packet via nx_packet_allocate.
**Information Fields**
- Info Field 1: Class instance.
- Info Field 2: Port.
- Info Field 3: Port status.
- Info Field 4: Not used.
### Host Class Hub Port Change Reset Process
#### ux_host_class_hub_port_change_reset_process
**Icon** ![Host Class Hub Port Change Reset Process icon](./media/user-guide/usbx-events/image127.png)
**Description**
This event represents a USBX Host Class Hub Port Change Reset Process Event.
**Information Fields**
- Info Field 1: Hub. Info Field 2: Port.
- Info Field 3: Port status.
- Info Field 4: Not used.
### Host Class Hub Port Change Suspend Process
#### ux_host_class_hub_port_change_suspend_process
**Icon** ![Host Class Hub Port Change Suspend Process icon](./media/user-guide/usbx-events/image128.png)
**Description**
This event represents a USBX Host Class Hub Port Change Suspend Process Event.
**Information Fields**
- Info Field 1: Class instance.
- Info Field 2: Port.
- Info Field 3: Port status.
- Info Field 4: Not used.
### Host Class Pima Activate
#### ux_host_class_pima_activate
**Icon** ![Host Class Pima Activate icon](./media/user-guide/usbx-events/image129.png)
**Description**
This event represents a USBX Host Class Pima Activate Event.
**Information Fields**
- Info Field 1: Class instance.
- Info Field 2: Not used.
- Info Field 3: Not used.
- Info Field 4: Not used.
### Host Class Pima Deactivate
#### ux_host_class_pima_deactivate
**Icon** ![Host Class Pima Deactivate icon](./media/user-guide/usbx-events/image130.png)
**Description**
This event represents a USBX Host Class Pima Deactivate Event.
**Information Fields**
- Info Field 1: Class instance.
- Info Field 2: Not used.
- Info Field 3: Not used.
- Info Field 4: Not used.
### Host Class Pima Device Info Get
#### ux_host_class_pima_device_info_get
**Icon** ![Host Class Pima Device Info Get icon](./media/user-guide/usbx-events/image131.png)
**Description**
This event represents a USBX Host Class Pima Device Info Get Event.
**Information Fields**
- Info Field 1: Class instance.
- Info Field 2: Pima device.
- Info Field 3: Not used.
- Info Field 4: Not used.
### Host Class Pima Device Reset
#### ux_host_class_pima_device_reset
**Icon** ![Host Class Pima Device Reset icon](./media/user-guide/usbx-events/image132.png)
**Description**
This event represents a USBX Host Class Pima Device Reset Event.
**Information Fields**
- Info Field 1: Class instance.
- Info Field 2: Not used.
- Info Field 3: Not used.
- Info Field 4: Not used.
### Host Class Pima Notification
#### ux_host_class_pima_notification
**Icon** ![Host Class Pima Notification icon](./media/user-guide/usbx-events/image133.png)
**Description**
This event represents a USBX Host Class Pima Notification Event.
**Information Fields**
- Info Field 1: Class instance. Info Field 2: Event code.
- Info Field 3: Transaction ID.
- Info Field 4: Parameter1.
### Host Class Pima Number Objects Get
#### ux_host_class_pima_number_objects_get
**Icon** ![Host Class Pima Number Objects Get icon](./media/user-guide/usbx-events/image134.png)
**Description**
This event represents a USBX Host Class Pima Number Objects Get Event.
**Information Fields**
- Info Field 1: Class instance.
- Info Field 2: Not used.
- Info Field 3: Not used.
- Info Field 4: Not used.
### Host Class Pima Object Close
#### ux_host_class_pima_object_close
**Icon** ![Host Class Pima Object Close icon](./media/user-guide/usbx-events/image135.png)
**Description**
This event represents a USBX Host Class Pima Object Close Event.
**Information Fields**
- Info Field 1: Class instance.
- Info Field 2: Object.
- Info Field 3: Not used.
- Info Field 4: Not used.
### Host Class Pima Object Copy
#### ux_host_class_pima_object_copy
**Icon** ![Host Class Pima Object Copy icon](./media/user-guide/usbx-events/image136.png)
**Description**
This event represents a USBX Host Class Pima Object Copy Event.
**Information Fields**
- Info Field 1: Class instance.
- Info Field 2: Object handle.
- Info Field 3: Not used.
- Info Field 4: Not used.
### Host Class Pima Object Delete
#### ux_host_class_pima_object_delete
**Icon** ![Host Class Pima Object Delete icon](./media/user-guide/usbx-events/image137.png)
**Description**
This event represents a USBX Host Class Pima Object Delete Event.
**Information Fields**
- Info Field 1: Class instance.
- Info Field 2: Object handle.
- Info Field 3: Not used.
- Info Field 4: Not used.
### Host Class Pima Object Get
#### ux_host_class_pima_object_get
**Icon** ![Host Class Pima Object Get icon](./media/user-guide/usbx-events/image138.png)
**Description**
This event represents getting RARP information via nx_rarp_info_get.
**Information Fields**
- Info Field 1: Class instance.
- Info Field 2: Object handle.
- Info Field 3: Object.
- Info Field 4: Not used.
### Host Class Pima Object Info Get
#### ux_host_class_pima_object_info_get
**Icon** ![Host Class Pima Object Info Get icon](./media/user-guide/usbx-events/image139.png)
**Description**
This event represents a USBX Host Class Pima Object Info Get Event.
**Information Fields**
- Info Field 1: Class instance.
- Info Field 2: Object handle.
- Info Field 3: Object.
- Info Field 4: Not used.
### Host Class Pima Object Info Send
#### ux_host_class_pima_object_info_send
**Icon** ![Host Class Pima Object Info Send icon](./media/user-guide/usbx-events/image140.png)
**Description**
This event represents a USBX Host Class Pima Object Info Send Event.
**Information Fields**
- Info Field 1: Class instance.
- Info Field 2: Object.
- Info Field 3: Not used.
- Info Field 4: Not used.
### Host Class Pima Object Move
#### ux_host_class_pima_object_move
**Icon** ![Host Class Pima Object Move icon](./media/user-guide/usbx-events/image141.png)
**Description**
This event reprThis event represents a USBX Host Class Pima Object Move Event.
**Information Fields**
- Info Field 1: Class instance.
- Info Field 2: Object handle.
- Info Field 3: Object.
- Info Field 4: Not used.
### Host Class Pima Object Send
#### ux_host_class_pima_object_move
**Icon** ![Host Class Pima Object Send icon](./media/user-guide/usbx-events/image142.png)
**Description**
This event represents a USBX Host Class Pima Object Send Event.
**Information Fields**
- Info Field 1: Class instance.
- Info Field 2: Object.
- Info Field 3: Object buffer.
- Info Field 4: Object length.
### Host Class Pima Object Transfer Abort
#### ux_host_class_pima_object_transfer_abort
**Icon** ![Host Class Pima Object Transfer Abort icon](./media/user-guide/usbx-events/image143.png)
**Description**
This event represents a USBX Host Class Pima Object Transfer Abort Event.
**Information Fields**
- Info Field 1: Class instance.
- Info Field 2: Object handle.
- Info Field 3: Object.
- Info Field 4: Not used.
### Host Class Pima Read
#### ux_host_class_pima_read
**Icon** ![Host Class Pima Read icon](./media/user-guide/usbx-events/image144.png)
**Description**
This event represents a USBX Host Class Pima Read Event.
**Information Fields**
- Info Field 1: Class instance.
- Info Field 2: Data pointer.
- Info Field 3: Data length.
- Info Field 4: Not used.
### Host Class Pima Request Cancel
#### ux_host_class_pima_request_cancel
**Icon** ![Host Class Pima Request Cancel icon](./media/user-guide/usbx-events/image145.png)
**Description**
This event represents a USBX Host Class Pima Request Cancel Event.
**Information Fields**
- Info Field 1: Class instance.
- Info Field 2: Not used.
- Info Field 3: Not used.
- Info Field 4: Not used.
### Host Class Pima Session Close
#### ux_host_class_pima_session_close
**Icon** ![Host Class Pima Session Close icon](./media/user-guide/usbx-events/image146.png)
**Description**
This event represents a USBX Host Class Pima Session Close Event.
**Information Fields**
- Info Field 1: Class instance.
- Info Field 2: Pima session.
- Info Field 3: Not used.
- Info Field 4: Not used.
### Host Class Pima Session Open
#### ux_host_class_pima_session_open
**Icon** ![Host Class Pima Session Open icon](./media/user-guide/usbx-events/image147.png)
**Description**
This event represents a USBX Host Class Pima Session Open Event.
**Information Fields**
- Info Field 1: Class instance.
- Info Field 2: Pima session.
- Info Field 3: Not used.
- Info Field 4: Not used.
### Host Class Pima Storage Ids Get
#### ux_host_class_pima_session_ids_get
**Icon** ![Host Class Pima Storage Ids Get icon](./media/user-guide/usbx-events/image148.png)
**Description**
This event represents a USBX Host Class Pima Storage Ids Get Event.
**Information Fields**
- Info Field 1: Class instance.
- nfo Field 2: Storage ID array.
- Info Field 3: Storage ID length.
Info Field 4: Not used.
### Host Class Pima Storage Info Get
#### ux_host_class_pima_storage_info_get
**Icon** ![Host Class Pima Storage Info Get icon](./media/user-guide/usbx-events/image149.png)
**Description**
This event represents a USBX Host Class Pima Storage Info Get Event.
**Information Fields**
- Info Field 1: Class instance.
- Info Field 2: Storage ID.
- Info Field 3: Storage.
- Info Field 4: Not used.
### Host Class Pima Thumb Get
#### ux_host_class_pima_thumb_get
**Icon** ![Host Class Pima Thumb Get icon](./media/user-guide/usbx-events/image150.png)
**Description**
This event represents unaccepting a TCP server connection via nx_tcp_server_socket_unaccept.
**Information Fields**
- Info Field 1: Class instance.
- Info Field 2: Object handle.
- Info Field 3: Not used.
- Info Field 4: Not used.
### Host Class Pima Write
#### ux_host_class_pima_thumb_get
**Icon** ![Host Class Pima Write icon](./media/user-guide/usbx-events/image151.png)
**Description**
This event represents a USBX Host Class Pima Write.
**Information Fields**
- Info Field 1: Class Instance.
- Info Field 2: Data pointer.
- Info Field 3: Data length.
- Info Field 4: Not used.
### Host Class Printer Activate
#### ux_host_class_printer_activate
**Icon** ![Host Class Printer Activate icon](./media/user-guide/usbx-events/image152.png)
**Description**
This event represents a USBX Host Class Printer Activate Event.
**Information Fields**
- Info Field 1: Pointer to IP instance.
- Info Field 2: Pointer to socket.
- Info Field 3: Type of service.
- Info Field 4: Receive window size.
### Host Class Printer Deactivate
#### ux_host_class_printer_deactivate
**Icon** ![Host Class Printer Deactivate icon](./media/user-guide/usbx-events/image153.png)
**Description**
This event represents a USBX Host Class Printer Deactivate Event.
**Information Fields**
- Info Field 1: Class instance.
- Info Field 2: Not used.
- Info Field 3: Not used.
- Info Field 4: Not used.
### Host Class Printer Name Get
#### ux_host_class_printer_name_get
**Icon** ![Host Class Printer Name Get icon](./media/user-guide/usbx-events/image154.png)
**Description**
This event represents a USBX Host Class Printer Name Get Event.
**Information Fields**
- Info Field 1: Class instance.
- Info Field 2: Not used.
- Info Field 3: Not used.
- Info Field 4: Not used.
### Host Class Printer Read
#### ux_host_class_printer_read
**Icon** ![Host Class Printer Read icon](./media/user-guide/usbx-events/image155.png)
**Description**
This event represents a USBX Host Class Printer Read Event.
**Information Fields**
- Info Field 1: Class instance.
- Info Field 2: Data pointer.
- Info Field 3: Requested length.
- Info Field 4: Not used.
### Host Class Printer Soft Reset
#### ux_host_class_printer_soft_reset
**Icon** ![Host Class Printer Soft Reset icon](./media/user-guide/usbx-events/image156.png)
**Description**
This event represents a USBX Host Class Printer Soft Reset Event.
**Information Fields**
- Info Field 1: Class instance.
- Info Field 2: Not used.
- Info Field 3: Not used.
- Info Field 4: Not used.
### Host Class Printer Status Get
#### ux_host_class_printer_status_get
**Icon** ![Host Class Printer Status Get icon](./media/user-guide/usbx-events/image157.png)
**Description**
This event represents a USBX Host Class Printer Status Get Event.
**Information Fields**
- Info Field 1: Class instance.
- Info Field 2: Printer status.
- Info Field 3: Not used.
- Info Field 4: Not used.
### Host Class Printer Write
#### ux_host_class_printer_write
**Icon** ![Host Class Printer Write icon](./media/user-guide/usbx-events/image158.png)
**Description**
This event represents a USBX Host Class Printer Write.
**Information Fields**
- Info Field 1: Class instance.
- Info Field 2: Data pointer.
- Info Field 3: Requested length.
- Info Field 4: Not used.
### Host Class Prolific Activate
#### ux_host_class_prolific_activate
**Icon** ![Host Class Prolific Activate icon](./media/user-guide/usbx-events/image159.png)
**Description**
This event represents a USBX Host Class Prolific Activate Event.
**Information Fields**
- Info Field 1: Class instance.
- Info Field 2: Not used.
- Info Field 3: Not used.
- Info Field 4: Not used.
### Host Class Prolific Deactivate
#### ux_host_class_prolific_deactivate
**Icon** ![Host Class Prolific Deactivate icon](./media/user-guide/usbx-events/image160.png)
**Description**
This event represents a USBX Host Class Prolific Deactivate Event.
**Information Fields**
- Info Field 1: Class instance.
- Info Field 2: Not used.
- Info Field 3: Not used.
- Info Field 4: Not used.
### Host Class Prolific Ioctl Abort In Pipe
#### ux_host_class_prolific_ioctl_abort_in_pipe
**Icon** ![Host Class Prolific I O C T L Abort In Pipe icon](./media/user-guide/usbx-events/image161.png)
**Description**
This event represents a USBX Host Class Prolific Ioctl Abort In Pipe Event.
**Information Fields**
- Info Field 1: Class instance.
- Info Field 2: Endpoint.
- Info Field 3: Not used.
- Info Field 4: Not used.
### Host Class Prolific Ioctl Abort Out Pipe
#### ux_host_class_prolific_ioctl_abort_out_pipe
**Icon** ![Host Class Prolific I O C T L Abort Out Pipe icon](./media/user-guide/usbx-events/image162.png)
**Description**
This event represents a USBX Host Class Prolific Ioctl Abort Out Pipe Event.
**Information Fields**
- Info Field 1: Class instance.
- Info Field 2: Endpoint.
- Info Field 3: Not used.
- Info Field 4: Not used.
### Host Class Prolific Ioctl Get Device Status
#### ux_host_class_prolific_ioctl_get_device_status
**Icon** ![Host Class Prolific I O C T L Get Device Status icon](./media/user-guide/usbx-events/image163.png)
**Description**
This event represents a USBX Host Class Prolific Ioctl Get Device Status Event.
**Information Fields**
- Info Field 1: Class instance.
- Info Field 2: Device status.
- Info Field 3: Not used.
- Info Field 4: Not used.
### Host Class Prolific Ioctl Get Line Coding
#### ux_host_class_prolific_ioctl_get_line_coding
**Icon** ![Host Class Prolific I O C T L Get Line Coding icon](./media/user-guide/usbx-events/image164.png)
**Description**
This event represents a USBX Host Class Prolific Ioctl Get Line Coding Event.
**Information Fields**
- Info Field 1: Class instance.
- Info Field 2: Parameter.
- Info Field 3: Not used.
- Info Field 4: Not used.
### Host Class Prolific Ioctl Purge
#### ux_host_class_prolific_ioctl_purge
**Icon** ![Host Class Prolific Ioctl Purge icon](./media/user-guide/usbx-events/image165.png)
**Description**
This event represents a USBX Host Class Prolific Ioctl Purge Event.
**Information Fields**
- Info Field 1: Class instance.
- Info Field 2: Parameter.
- Info Field 3: Not used.
- Info Field 4: Not used.
### Host Class Prolific Ioctl Report Device
#### ux_host_class_prolific_ioctl_report_device
**Icon** ![Host Class Prolific I O C T L Report Device icon](./media/user-guide/usbx-events/image166.png)
**Description**
This event represents a USBX Host Class Prolific Ioctl Report Device Status Change Event.
**Information Fields**
- Info Field 1: Class instance.
- Info Field 2: Parameter.
- Info Field 3: Not used.
- Info Field 4: Not used.
### Host Class Prolific Ioctl Send Break
#### ux_host_class_prolific_ioctl_send_break
**Icon** ![Host Class Prolific I O C T L Send Break icon](./media/user-guide/usbx-events/image167.png)
**Description**
This event represents a USBX Host Class Prolific Ioctl Send Break Event.
**Information Fields**
- Info Field 1: Class instance.
- Info Field 2: Not used.
- Info Field 3: Not used.
- Info Field 4: Not used.
### Host Class Prolific Ioctl Set Line Coding
#### ux_host_class_prolific_ioctl_set_line_coding
**Icon** ![Host Class Prolific I O C T L Set Line Coding icon](./media/user-guide/usbx-events/image168.png)
**Description**
This event represents a USBX Host Class Prolific Ioctl Set Line Coding Event.
**Information Fields**
- Info Field 1: Class instance.
- Info Field 2: Parameter.
- Info Field 3: Not used.
- Info Field 4: Not used.
### Host Class Prolific Ioctl Set Line State
#### ux_host_class_prolific_ioctl_set_line_state
**Icon** ![Host Class Prolific I O C T L Set Line State icon](./media/user-guide/usbx-events/image169.png)
**Description**
This event represents a USBX Host Class Prolific Ioctl Set Line State Event.
**Information Fields**
- Info Field 1: Class instance.
- Info Field 2: Parameter.
- Info Field 3: Not used.
- Info Field 4: Not used.
### Host Class Prolific Read
#### ux_host_class_prolific_read
**Icon** ![Host Class Prolific Read icon](./media/user-guide/usbx-events/image170.png)
**Description**
This event represents a USBX Host Class Prolific Read Event.
**Information Fields**
- Info Field 1: Class instance.
- Info Field 2: Data pointer.
- Info Field 3: Requested length.
- Info Field 4: Not used.
### Host Class Prolific Reception Start
#### ux_host_class_prolific_reception_start
**Icon** ![Host Class Prolific Reception Start icon](./media/user-guide/usbx-events/image171.png)
**Description**
This event represents a USBX Host Class Prolific Reception Start Event.
**Information Fields**
- Info Field 1: Class instance.
- Info Field 2: Not used.
- Info Field 3: Not used.
- Info Field 4: Not used.
### Host Class Prolific Reception Stop
#### ux_host_class_prolific_reception_stop
**Icon** ![Host Class Prolific Reception Stop icon](./media/user-guide/usbx-events/image172.png)
**Description**
This event represents a USBX Host Class Prolific Reception Stop Event.
**Information Fields**
- Info Field 1: Class instance.
- Info Field 2: Not used.
- Info Field 3: Not used.
- Info Field 4: Not used.
### Host Class Prolific Write
#### ux_host_class_prolific_write
**Icon** ![Host Class Prolific Write icon](./media/user-guide/usbx-events/image173.png)
**Description**
This event represents a USBX Host Class Prolific Write Event.
**Information Fields**
- Info Field 1: Class instance.
- Info Field 2: Data pointer.
- Info Field 3: Requested length.
- Info Field 4: Not used.
### Host Class Storage Activate
#### ux_host_class_storage_activate
**Icon** ![Host Class Storage Activate icon](./media/user-guide/usbx-events/image174.png)
**Description**
This event represents a USBX Host Class Storage Activate Event.
**Information Fields**
- Info Field 1: Class instance.
- Info Field 2: Not used.
- Info Field 3: Not used.
- Info Field 4: Not used.
### Host Class Storage Deactivate
#### ux_host_class_storage_deactivate
**Icon** ![Host Class Storage Deactivate icon](./media/user-guide/usbx-events/image175.png)
**Description**
This event represents a USBX Host Class Storage Deactivate Event.
**Information Fields**
- Info Field 1: Class instance.
- Info Field 2: Not used.
- Info Field 3: Not used.
- Info Field 4: Not used.
### Host Class Storage Media Capacity Get
#### ux_host_class_storage_media_capacity_get
**Icon** ![Host Class Storage Media Capacity Get icon](./media/user-guide/usbx-events/image176.png)
**Description**
This event represents a USBX Host Class Storage Media Capacity Get Event.
**Information Fields**
- Info Field 1: Class instance.
- Info Field 2: Not used.
- Info Field 3: Not used.
- Info Field 4: Not used.
### Host Class Storage Media Format Capacity Get
#### ux_host_class_storage_media_format_capacity_get
**Icon** ![Host Class Storage Media Format Capacity Get icon](./media/user-guide/usbx-events/image177.png)
**Description**
This event represents a USBX Host Class Storage Media Format Capacity Get Event.
**Information Fields**
- Info Field 1: Class instance.
- Info Field 2: Not used.
- Info Field 3: Not used.
- Info Field 4: Not used.
#### Host Class Storage Media Mount
#### ux_host_class_storage_media_mount
**Icon** ![Host Class Storage Media Mount icon](./media/user-guide/usbx-events/image178.png)
**Description**
This event represents a USBX Host Class Storage Media Mount Event.
**Information Fields**
- Info Field 1: Class instance.
- Info Field 2: Sector.
- Info Field 3: Not used.
- Info Field 4: Not used.
### Host Class Storage Media Open
#### ux_host_class_storage_media_open
**Icon** ![Host Class Storage Media Open icon](./media/user-guide/usbx-events/image179.png)
**Description**
This event represents a USBX Host Class Storage Media Open Event.
**Information Fields**
- Info Field 1: Class instance.
- Info Field 2: Media.
- Info Field 3: Not used.
- Info Field 4: Not used.
### Host Class Storage Media Read
#### ux_host_class_storage_media_read
**Icon** ![Host Class Storage Media Read icon](./media/user-guide/usbx-events/image180.png)
**Description**
This event represents a USBX Host Class Storage Media Read Event.
**Information Fields**
- Info Field 1: Class instance.
- Info Field 2: Sector start.
- Info Field 3: Sector count.
- Info Field 4: Data pointer.
### Host Class Storage Media Write
#### ux_host_class_storage_media_write
**Icon** ![Host Class Storage Media Write icon](./media/user-guide/usbx-events/image181.png)
**Description**
This event represents a USBX Host Class Storage Media Write Event.
**Information Fields**
- Info Field 1: Class instance.
- Info Field 2: Sector start.
- Info Field 3: Sector count.
- Info Field 4: Data pointer.
### Host Class Storage Request Sense
#### ux_host_class_storage_request_sense
**Icon** ![Host Class Storage Request Sense icon](./media/user-guide/usbx-events/image182.png)
**Description**
This event represents a USBX Host Class Storage Request Sense Event.
**Information Fields**
- Info Field 1: Class instance.
- Info Field 2: Not used.
- Info Field 3: Not used.
- Info Field 4: Not used.
### Host Class Storage Start Stop
#### ux_host_class_storage_start_stop
**Icon** ![Host Class Storage Start Stop icon](./media/user-guide/usbx-events/image183.png)
**Description**
This event represents a USBX Host Class Storage Start Stop Event.
**Information Fields**
- Info Field 1: Class instance.
- Info Field 2: Start stop signal.
- Info Field 3: Not used.
- Info Field 4: Not used.
### Host Class Storage Unit Ready Test
#### ux_host_class_storage_unit_ready_test
**Icon** ![Host Class Storage Unit Ready Test icon](./media/user-guide/usbx-events/image184.png)
**Description**
This event represents a USBX Host Class Storage Unit Ready Test Event.
**Information Fields**
- Info Field 1: Class instance.
- Info Field 2: Not used.
- Info Field 3: Not used.
- Info Field 4: Not used.
### Host Stack Class Instance Create
#### ux_host_class_instance_create
**Icon** ![Host Stack Class Instance Create icon](./media/user-guide/usbx-events/image185.png)
**Description**
This event represents a USBX Host Stack Class Instance Create Event.
**Information Fields**
- Info Field 1: Class.
- Info Field 2: Class Instance.
- Info Field 3: Not used.
- Info Field 4: Not used.
### Host Stack Class Instance Destroy
#### ux_host_class_instance_create
**Icon** ![Host Stack Class Instance Destroy icon](./media/user-guide/usbx-events/image186.png)
**Description**
This event represents a USBX Host Stack Class Instance Destroy Event.
**Information Fields**
- Info Field 1: Class.
- Info Field 2: Class Instance.
- Info Field 3: Not used.
- Info Field 4: Not used.
### Host Stack Configuration Delete
#### ux_host_class_configuration_delete
**Icon** ![Host Stack Configuration Delete icon](./media/user-guide/usbx-events/image187.png)
**Description**
This event represents a USBX Host Stack Configuration Delete Event.
**Information Fields**
- Info Field 1: Configuration.
- Info Field 2: Not used.
- Info Field 3: Not used.
- Info Field 4: Not used.
### Host Stack Configuration Enumerate
#### ux_host_stack_configuration_enumerate
**Icon** ![Host Stack Configuration Enumerate icon](./media/user-guide/usbx-events/image188.png)
**Description**
This event represents a USBX Host Stack Configuration Enumerate Event.
**Information Fields**
- Info Field 1: Device.
- Info Field 2: Not used.
- Info Field 3: Not used.
- Info Field 4: Not used.
### Stack Configuration Instance Create
#### ux_host_stack_configuration_instance_create
**Icon** ![Stack Configuration Instance Create icon](./media/user-guide/usbx-events/image189.png)
**Description**
This event represents a USBX Host Stack Configuration Instance Create Event.
**Information Fields**
- Info Field 1: Configuration.
- Info Field 2: Not used.
- Info Field 3: Not used.
- Info Field 4: Not used.
### Host Stack Configuration Instance Delete
#### ux_host_stack_configuration_instance_delete
**Icon** ![Host Stack Configuration Instance Delete icon](./media/user-guide/usbx-events/image190.png)
**Description**
This event represents a USBX Host Stack Configuration Instance Delete Event.
**Information Fields**
- Info Field 1: Configuration.
- Info Field 2: Not used.
- Info Field 3: Not used.
- Info Field 4: Not used.
### Host Stack Configuration Set
#### ux_host_stack_configuration_set
**Icon** ![Host Stack Configuration Set icon](./media/user-guide/usbx-events/image191.png)
**Description**
This event represents a USBX Host Stack Configuration Set Event.
**Information Fields**
- Info Field 1: Configuration.
- Info Field 2: Not used.
- Info Field 3: Not used.
- Info Field 4: Not used.
### Host Stack Device Address Set
#### ux_host_stack_device_address_set
**Icon** ![Host Stack Device Address Set icon](./media/user-guide/usbx-events/image192.png)
**Description**
This event represents a USBX Host Stack Device Address Set Event.
**Information Fields**
- Info Field 1: Device.
- Info Field 2: Device Address.
- Info Field 3: Not used.
- Info Field 4: Not used.
### Host Stack Device Configuration Get
#### ux_host_stack_device_configuration_get
**Icon** ![Host Stack Device Configuration Get icon](./media/user-guide/usbx-events/image193.png)
**Description**
This event represents a USBX Host Stack Device Configuration Get Event.
**Information Fields**
- Info Field 1: Device.
- nfo Field 2: Configuration.
- Info Field 3: Not used.
- Info Field 4: Not used.
### Host Stack Device Configuration Select
#### ux_host_stack_device_configuration_select
**Icon** ![Host Stack Device Configuration Select icon](./media/user-guide/usbx-events/image194.png)
**Description**
This event represents a USBX Host Stack Device Configuration Select Event.
**Information Fields**
- Info Field 1: Device.
- Info Field 2: Configuration.
- Info Field 3: Not used.
- Info Field 4: Not used.
### Host Stack Device Descriptor Read
#### ux_host_stack_device_descriptor_read
**Icon** ![Host Stack Device Descriptor Read icon](./media/user-guide/usbx-events/image195.png)
**Description**
This event represents a USBX Host Stack Device Descriptor Read Event.
**Information Fields**
- Info Field 1: Device.
- Info Field 2: Not used.
- Info Field 3: Not used.
- Info Field 4: Not used.
### Host Stack Device Get
#### ux_host_stack_device_get
**Icon** ![Host Stack Device Get icon](./media/user-guide/usbx-events/image196.png)
**Description**
This event represents a USBX Host Stack Device Get Event.
**Information Fields**
- Info Field 1: Device index.
- Info Field 2: Not used.
- Info Field 3: Not used.
- Info Field 4: Not used.
### Host Stack Device Remove
#### ux_host_stack_device_remove
**Icon** ![Host Stack Device Remove icon](./media/user-guide/usbx-events/image197.png)
**Description**
This event represents a USBX Host Stack Device Remove Event.
**Information Fields**
- Info Field 1: Hcd.
- Info Field 2: Parent.
- Info Field 3: Port Index.
- Info Field 4: Device.
### Host Stack Device Resource Free
#### ux_host_stack_device_resource_free
**Icon** ![Host Stack Device Resource Free icon](./media/user-guide/usbx-events/image198.png)
**Description**
This event represents a USBX Host Stack Device Resource Free Event.
**Information Fields**
- Info Field 1: Device.
- Info Field 2: Not used.
- Info Field 3: Not used.
- Info Field 4: Not used.
### Host Stack Endpoint Instance Create
#### ux_host_stack_endpoint_instance_create
**Icon** ![Host Stack Endpoint Instance Create icon](./media/user-guide/usbx-events/image199.png)
**Description**
This event represents a USBX Host Stack Endpoint Instance Create Event.
**Information Fields**
- Info Field 1: Device.
- Info Field 2: Endpoint.
- Info Field 3: Not used.
- Info Field 4: Not used.
### Host Stack Endpoint Instance Delete
#### ux_host_stack_endpoint_instance_delete
**Icon** ![Host Stack Endpoint Instance Delete icon](./media/user-guide/usbx-events/image200.png)
**Description**
This event represents a USBX Host Stack Endpoint Instance Delete Event.
**Information Fields**
- Info Field 2: Endpoint.
- Info Field 3: Not used.
- Info Field 4: Not used.
### Host Stack Endpoint Reset
#### ux_host_stack_endpoint_reset
**Icon** ![Host Stack Endpoint Reset icon](./media/user-guide/usbx-events/image201.png)
**Description**
This event represents a USBX Host Stack Endpoint Reset Event.
**Information Fields**
- Info Field 1: Device.
- Info Field 2: Endpoint.
- Info Field 3: Not used.
- Info Field 4: Not used.
### Host Stack Endpoint Transfer Abort
#### ux_host_stack_endpoint_transfer_abort
**Icon** ![Host Stack Endpoint Transfer Abort icon](./media/user-guide/usbx-events/image202.png)
**Description**
This event represents a USBX Host Stack Endpoint Transfer Abort Event.
**Information Fields**
- Info Field 1: Endpoint.
- Info Field 2: Not used.
- Info Field 3: Not used.
- Info Field 4: Not used.
### Host Stack Host Controller Register
#### ux_host_stack_hcd_register
**Icon** ![Host Stack Host Controller Register icon](./media/user-guide/usbx-events/image203.png)
**Description**
This event represents a USBX Host Stack Host Controller Register.
**Information Fields**
- Info Field 1: Hcd Name.
- Info Field 2: Not used.
- Info Field 3: Not used.
- Info Field 4: Not used.
### Host Stack Initialize
#### ux_host_stack_initialize
**Icon** ![Host Stack Initialize icon](./media/user-guide/usbx-events/image204.png)
**Description**
This event represents a USBX Host Stack Initialize Event.
**Information Fields**
- Info Field 1: Not used.
- Info Field 2: Not used.
- Info Field 3: Not used.
- Info Field 4: Not used.
### Host Stack Interface Endpoint Get
#### Interface_ TCP retry entry
**Icon** ![Host Stack Interface Endpoint Get icon](./media/user-guide/usbx-events/image205.png)
**Description**
This event represents an internal NetX Duo TCP retry event.
**Information Fields**
- Info Field 1: Interface.
- Info Field 2: Endpoint index.
- Info Field 3: Not used.
- Info Field 4: Not used.
### Host Stack Interface Instance Create
#### ux_host_stack_interface_instance_create
**Icon** ![Host Stack Interface Instance Create icon](./media/user-guide/usbx-events/image206.png)
**Description**
This event represents a USBX Host Stack Interface Instance Create Event.
**Information Fields**
- Info Field 1: Interface.
- Info Field 2: Not used.
- Info Field 3: Not used.
- Info Field 4: Not used.
### Host Stack Interface Instance Delete
#### ux_host_stack_interface_instance_delete
**Icon** ![Host Stack Interface Instance Delete icon](./media/user-guide/usbx-events/image207.png)
**Description**
This event represents a USBX Host Stack Interface Instance Delete Event.
**Information Fields**
- Info Field 1: Interface.
- Info Field 2: Not used.
- Info Field 3: Not used.
- Info Field 4: Not used.
### Host Stack Interface Set
#### ux_host_stack_interface_set
**Icon** ![Host Stack Interface Set icon](./media/user-guide/usbx-events/image208.png)
**Description**
This event represents a USBX Host Stack Interface Set Event.
**Information Fields**
- Info Field 1: Interface.
- Info Field 2: Not used.
- Info Field 3: Not used.
- Info Field 4: Not used.
### Host Stack Interface Setting Select
#### ux_host_stack_interface_setting_select
**Icon** ![Host Stack Interface Setting Select icon](./media/user-guide/usbx-events/image209.png)
**Description**
This event represents a USBX Host Stack Interface Setting Select Event.
**Information Fields**
- Info Field 1: Interface.
- Info Field 2: Not used.
- Info Field 3: Not used.
- Info Field 4: Not used.
### Host Stack New Configuration Create
#### ux_host_stack_new_configuration_create
**Icon** ![Host Stack New Configuration Create icon](./media/user-guide/usbx-events/image210.png)
**Description**
This event represents a USBX Host Stack New Configuration Create Event.
**Information Fields**
- Info Field 1: Device.
- Info Field 2: Configuration.
- Info Field 3: Not used.
- Info Field 4: Not used.
### Host Stack New Device Create
#### ux_host_stack_new_device_create
**Icon** ![Host Stack New Device Create icon](./media/user-guide/usbx-events/image211.png)
**Description**
This event represents a USBX Host Stack New Device Create Event.
**Information Fields**
- Info Field 1: Hcd.
- Info Field 2: Device owner.
- Info Field 3: Port index.
- Info Field 4: Device.
### Host Stack New Endpoint Create
#### ux_host_stack_new_endpoint_create
**Icon** ![Host Stack New Endpoint Create icon](./media/user-guide/usbx-events/image212.png)
**Description**
This event represents a USBX Host Stack New Endpoint Create Event.
**Information Fields**
- Info Field 1: Interface.
- Info Field 2: Endpoint.
- Info Field 3: Not used.
- Info Field 4: Not used.
### Host Stack Root Hub Change Process
#### ux_host_stack_rh_change_process
**Icon** ![Host Stack Root Hub Change Process icon](./media/user-guide/usbx-events/image213.png)
**Description**
This event represents a USBX Host Stack Root Hub Change Process.
**Information Fields**
- Info Field 1: Port index.
- Info Field 2: Not used.
- Info Field 3: Not used.
- Info Field 4: Not used.
### Host Stack Root Hub Device Extraction
#### ux_host_stack_rh_device_extraction
**Icon** ![Host Stack Root Hub Device Extraction icon](./media/user-guide/usbx-events/image214.png)
**Description**
This event represents a USBX Host Stack Root Hub Device Extraction Event.
**Information Fields**
- Info Field 1: Hcd.
- Info Field 2: Port index.
- Info Field 3: Not used.
- Info Field 4: Not used.
### Host Stack Root Hub Device Insertion
#### ux_host_stack_rh_device_insertion
**Icon** ![Host Stack Root Hub Device Insertion icon](./media/user-guide/usbx-events/image215.png)
**Description**
This event represents a USBX Host Stack Root Hub Device Insertion.
**Information Fields**
- Info Field 1: Hcd.
- Info Field 2: Port index.
- Info Field 3: Not used.
- Info Field 4: Not used.
### Host Stack Transfer Request
#### ux_host_stack_transfer_request
**Icon** ![Host Stack Transfer Request icon](./media/user-guide/usbx-events/image216.png)
**Description**
This event represents a USBX Host Stack Transfer Request.
**Information Fields**
- Info Field 1: Device.
- Info Field 2: Endpoint.
- Info Field 3: Transfer request.
- Info Field 4: Not used.
### Host Stack Transfer Request Abort
#### Internal I/O driver get status
**Icon** ![Host Stack Transfer Request Abort icon](./media/user-guide/usbx-events/image217.png)
**Description**
This event represents a USBX Host Stack Transfer Request Abort.
**Information Fields**
- Info Field 1: Device.
- Info Field 2: Endpoint.
- Info Field 3: Transfer request.
- Info Field 4: Not used.
### USBX Error
#### ux_error
**Icon** ![U S B X Error icon](./media/user-guide/usbx-events/image218.png)
**Description**
This event represents a USBX Error Event.
**Information Fields**
- Info Field 1: USBX error.
- Info Field 2: Error Name.
- Info Field 3: Not used.
- Info Field 4: Not used.
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