# 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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1.4.2.2.2.30 USB_CDC_DATA_INTF Macro
File
usb_host_cdc.h
Syntax
#define USB_CDC_DATA_INTF 0x0A
Description
Data Interface Class Codes
1.4.2.2.2.31 USB_CDC_DEVICE_BUSY Macro
File
usb_host_cdc.h
Syntax
#define USB_CDC_DEVICE_BUSY (USB_CDC_CLASS_ERROR | 0x04) // A transfer is currently in
progress.
Description
A transfer is currently in progress.
1.4.2.2.2.32 USB_CDC_DEVICE_DETACHED Macro
File
usb_host_cdc.h
Syntax
#define USB_CDC_DEVICE_DETACHED 0x50 // Device is detached.
Description
Device is detached.
1.4.2.2.2.33 USB_CDC_DEVICE_HOLDING Macro
File
usb_host_cdc.h
Syntax
#define USB_CDC_DEVICE_HOLDING 0x54 // Device is holding due to error
Description
Device is holding due to error
1.4.2.2.2.34 USB_CDC_DEVICE_MANAGEMENT Macro
File
usb_host_cdc.h
Syntax
#define USB_CDC_DEVICE_MANAGEMENT 0x09 // Device Management
Description
Device Management
1.4 Library Interface MLA - USB Library Help Embedded Host API
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