# Vault 7: Projects

This publication series is about specific projects related to the Vault 7 main publication.

### Protego

# MLA -- USB Library

20 December, 2013

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Syntax
#define HOST_DSC_RPT 0x2200 /* Report Descriptor Code */
Description
Report Descriptor Code
1.4.2.3.2.33 USB_HID_CLASS_ERROR Macro
File
usb_host_hid.h
Syntax
#define USB_HID_CLASS_ERROR USB_ERROR_CLASS_DEFINED
Section
HID Class Error Codes
1.4.2.3.2.34 USB_HID_COMMAND_FAILED Macro
File
usb_host_hid.h
Syntax
#define USB_HID_COMMAND_FAILED (USB_HID_CLASS_ERROR | HID_COMMAND_FAILED) // Command failed
at the device.
Description
Command failed at the device.
1.4.2.3.2.35 USB_HID_COMMAND_PASSED Macro
File
usb_host_hid.h
Syntax
#define USB_HID_COMMAND_PASSED USB_SUCCESS // Command was
successful.
Description
Command was successful.
1.4.2.3.2.36 USB_HID_DEVICE_BUSY Macro
File
usb_host_hid.h
Syntax
#define USB_HID_DEVICE_BUSY (USB_HID_CLASS_ERROR | 0x04) // A transfer is
currently in progress.
Description
A transfer is currently in progress.
1.4.2.3.2.37 USB_HID_DEVICE_DETACHED Macro
File
usb_host_hid.h
1.4 Library Interface MLA - USB Library Help Embedded Host API
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