usb.inc

; SPDX-FileCopyrightText: 2023 Andreas Sig Rosvall
;
; SPDX-License-Identifier: GPL-3.0-or-later

USB_VERSION = 0x0110

USB_DT_DEVICE             = 0x01
USB_DT_CONFIGURATION      = 0x02
USB_DT_STRING             = 0x03
USB_DT_INTERFACE          = 0x04
USB_DT_ENDPOINT           = 0x05
USB_DT_DEVICE_QUALIFIER   = 0x06
USB_DT_OTHER_SPEED_CONFIG = 0x07
USB_DT_INTERFACE_POWER    = 0x08
USB_DT_DFU_FUNCTIONAL     = 0x21

LANGID_ENGLISH_US = 0x0409

bitBusPowered            = 1 << 7

USB_DEVICE_CLASS_DEVICE = 0x00
USB_DEVICE_SUBCLASS_NONE = 0x00
USB_DEVICE_PROTOCOL_PER_INTF = 0x00

USB_STRING_DESC_LANGID       = 0

VBUS_MAX_CURRENT_MA = 50


; USB bmRequestType bits
USB_RT_DEV     = 0 << 0
USB_RT_INTF    = 1 << 0
USB_RT_EP      = 2 << 0

USB_RT_STD     = 0 << 5
USB_RT_CLASS   = 1 << 5
USB_RT_VENDOR  = 2 << 5

USB_RT_OUT = 0 << 7
USB_RT_IN  = 1 << 7

; Standard USB bRequests
USB_REQ_GET_STATUS        =  0
USB_REQ_CLEAR_FEATURE     =  1
USB_REQ_SET_FEATURE       =  3
USB_REQ_SET_ADDRESS       =  5
USB_REQ_GET_DESCRIPTOR    =  6
USB_REQ_SET_DESCRIPTOR    =  7
USB_REQ_GET_CONFIGURATION =  8
USB_REQ_SET_CONFIGURATION =  9
USB_REQ_GET_INTF          = 10
USB_REQ_SET_INTF          = 11