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rt-thread-official/components/drivers/usb/cherryusb/common/usb_def.h

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/*
* Copyright (c) 2022, sakumisu
*
* SPDX-License-Identifier: Apache-2.0
*/
#ifndef USB_DEF_H
#define USB_DEF_H
/* Useful define */
#define USB_1_1 0x0110
#define USB_2_0 0x0200
/* Set USB version to 2.1 so that the host will request the BOS descriptor */
#define USB_2_1 0x0210
#define USB_3_0 0x0300
#define USB_3_1 0x0310
#define USB_3_2 0x0320
/* Device speeds */
#define USB_SPEED_UNKNOWN 0 /* Transfer rate not yet set */
#define USB_SPEED_LOW 1 /* USB 1.1 */
#define USB_SPEED_FULL 2 /* USB 1.1 */
#define USB_SPEED_HIGH 3 /* USB 2.0 */
#define USB_SPEED_WIRELESS 4 /* Wireless USB 2.5 */
#define USB_SPEED_SUPER 5 /* USB 3.0 */
#define USB_SPEED_SUPER_PLUS 6 /* USB 3.1 */
/* Maximum number of devices per controller */
#define USB_MAX_DEVICES (127)
/* Default USB control EP, always 0 and 0x80 */
#define USB_CONTROL_OUT_EP0 0
#define USB_CONTROL_IN_EP0 0x80
/**< maximum packet size (MPS) for EP 0 */
#define USB_CTRL_EP_MPS 64
/**< maximum packet size (MPS) for bulk EP */
#define USB_BULK_EP_MPS_HS 512
#define USB_BULK_EP_MPS_FS 64
/* USB PID Types */
#define USB_PID_OUT (0x01) /* Tokens */
#define USB_PID_IN (0x09)
#define USB_PID_SOF (0x05)
#define USB_PID_SETUP (0x0d)
#define USB_PID_DATA0 (0x03) /* Data */
#define USB_PID_DATA1 (0x0b)
#define USB_PID_DATA2 (0x07)
#define USB_PID_MDATA (0x0f)
#define USB_PID_ACK (0x02) /* Handshake */
#define USB_PID_NAK (0x0a)
#define USB_PID_STALL (0x0e)
#define USB_PID_NYET (0x06)
#define USB_PID_PRE (0x0c) /* Special */
#define USB_PID_ERR (0x0c)
#define USB_PID_SPLIT (0x08)
#define USB_PID_PING (0x04)
#define USB_PID_RESERVED (0x00)
#define USB_REQUEST_DIR_SHIFT 7U /* Bits 7: Request dir */
#define USB_REQUEST_DIR_OUT (0U << USB_REQUEST_DIR_SHIFT) /* Bit 7=0: Host-to-device */
#define USB_REQUEST_DIR_IN (1U << USB_REQUEST_DIR_SHIFT) /* Bit 7=1: Device-to-host */
#define USB_REQUEST_DIR_MASK (1U << USB_REQUEST_DIR_SHIFT) /* Bit 7=1: Direction bit */
#define USB_REQUEST_TYPE_SHIFT 5U /* Bits 5:6: Request type */
#define USB_REQUEST_STANDARD (0U << USB_REQUEST_TYPE_SHIFT)
#define USB_REQUEST_CLASS (1U << USB_REQUEST_TYPE_SHIFT)
#define USB_REQUEST_VENDOR (2U << USB_REQUEST_TYPE_SHIFT)
#define USB_REQUEST_RESERVED (3U << USB_REQUEST_TYPE_SHIFT)
#define USB_REQUEST_TYPE_MASK (3U << USB_REQUEST_TYPE_SHIFT)
#define USB_REQUEST_RECIPIENT_SHIFT 0U /* Bits 0:4: Recipient */
#define USB_REQUEST_RECIPIENT_DEVICE (0U << USB_REQUEST_RECIPIENT_SHIFT)
#define USB_REQUEST_RECIPIENT_INTERFACE (1U << USB_REQUEST_RECIPIENT_SHIFT)
#define USB_REQUEST_RECIPIENT_ENDPOINT (2U << USB_REQUEST_RECIPIENT_SHIFT)
#define USB_REQUEST_RECIPIENT_OTHER (3U << USB_REQUEST_RECIPIENT_SHIFT)
#define USB_REQUEST_RECIPIENT_MASK (3U << USB_REQUEST_RECIPIENT_SHIFT)
/* USB Standard Request Codes */
#define USB_REQUEST_GET_STATUS 0x00
#define USB_REQUEST_CLEAR_FEATURE 0x01
#define USB_REQUEST_SET_FEATURE 0x03
#define USB_REQUEST_SET_ADDRESS 0x05
#define USB_REQUEST_GET_DESCRIPTOR 0x06
#define USB_REQUEST_SET_DESCRIPTOR 0x07
#define USB_REQUEST_GET_CONFIGURATION 0x08
#define USB_REQUEST_SET_CONFIGURATION 0x09
#define USB_REQUEST_GET_INTERFACE 0x0A
#define USB_REQUEST_SET_INTERFACE 0x0B
#define USB_REQUEST_SYNCH_FRAME 0x0C
#define USB_REQUEST_SET_ENCRYPTION 0x0D
#define USB_REQUEST_GET_ENCRYPTION 0x0E
#define USB_REQUEST_RPIPE_ABORT 0x0E
#define USB_REQUEST_SET_HANDSHAKE 0x0F
#define USB_REQUEST_RPIPE_RESET 0x0F
#define USB_REQUEST_GET_HANDSHAKE 0x10
#define USB_REQUEST_SET_CONNECTION 0x11
#define USB_REQUEST_SET_SECURITY_DATA 0x12
#define USB_REQUEST_GET_SECURITY_DATA 0x13
#define USB_REQUEST_SET_WUSB_DATA 0x14
#define USB_REQUEST_LOOPBACK_DATA_WRITE 0x15
#define USB_REQUEST_LOOPBACK_DATA_READ 0x16
#define USB_REQUEST_SET_INTERFACE_DS 0x17
/* USB Standard Feature selectors */
#define USB_FEATURE_ENDPOINT_HALT 0
#define USB_FEATURE_SELF_POWERED 0
#define USB_FEATURE_REMOTE_WAKEUP 1
#define USB_FEATURE_TEST_MODE 2
#define USB_FEATURE_BATTERY 2
#define USB_FEATURE_BHNPENABLE 3
#define USB_FEATURE_WUSBDEVICE 3
#define USB_FEATURE_AHNPSUPPORT 4
#define USB_FEATURE_AALTHNPSUPPORT 5
#define USB_FEATURE_DEBUGMODE 6
/* USB GET_STATUS Bit Values */
#define USB_GETSTATUS_ENDPOINT_HALT 0x01
#define USB_GETSTATUS_SELF_POWERED 0x01
#define USB_GETSTATUS_REMOTE_WAKEUP 0x02
/* USB Descriptor Types */
#define USB_DESCRIPTOR_TYPE_DEVICE 0x01U
#define USB_DESCRIPTOR_TYPE_CONFIGURATION 0x02U
#define USB_DESCRIPTOR_TYPE_STRING 0x03U
#define USB_DESCRIPTOR_TYPE_INTERFACE 0x04U
#define USB_DESCRIPTOR_TYPE_ENDPOINT 0x05U
#define USB_DESCRIPTOR_TYPE_DEVICE_QUALIFIER 0x06U
#define USB_DESCRIPTOR_TYPE_OTHER_SPEED 0x07U
#define USB_DESCRIPTOR_TYPE_INTERFACE_POWER 0x08U
#define USB_DESCRIPTOR_TYPE_OTG 0x09U
#define USB_DESCRIPTOR_TYPE_DEBUG 0x0AU
#define USB_DESCRIPTOR_TYPE_INTERFACE_ASSOCIATION 0x0BU
#define USB_DESCRIPTOR_TYPE_BINARY_OBJECT_STORE 0x0FU
#define USB_DESCRIPTOR_TYPE_DEVICE_CAPABILITY 0x10U
#define USB_DESCRIPTOR_TYPE_WIRELESS_ENDPOINTCOMP 0x11U
/* Class Specific Descriptor */
#define USB_CS_DESCRIPTOR_TYPE_DEVICE 0x21U
#define USB_CS_DESCRIPTOR_TYPE_CONFIGURATION 0x22U
#define USB_CS_DESCRIPTOR_TYPE_STRING 0x23U
#define USB_CS_DESCRIPTOR_TYPE_INTERFACE 0x24U
#define USB_CS_DESCRIPTOR_TYPE_ENDPOINT 0x25U
#define USB_DESCRIPTOR_TYPE_SUPERSPEED_ENDPOINT_COMPANION 0x30U
#define USB_DESCRIPTOR_TYPE_SUPERSPEED_ISO_ENDPOINT_COMPANION 0x31U
/* USB Device Classes */
#define USB_DEVICE_CLASS_RESERVED 0x00
#define USB_DEVICE_CLASS_AUDIO 0x01
#define USB_DEVICE_CLASS_CDC 0x02
#define USB_DEVICE_CLASS_HID 0x03
#define USB_DEVICE_CLASS_MONITOR 0x04
#define USB_DEVICE_CLASS_PHYSICAL 0x05
#define USB_DEVICE_CLASS_IMAGE 0x06
#define USB_DEVICE_CLASS_PRINTER 0x07
#define USB_DEVICE_CLASS_MASS_STORAGE 0x08
#define USB_DEVICE_CLASS_HUB 0x09
#define USB_DEVICE_CLASS_CDC_DATA 0x0a
#define USB_DEVICE_CLASS_SMART_CARD 0x0b
#define USB_DEVICE_CLASS_SECURITY 0x0d
#define USB_DEVICE_CLASS_VIDEO 0x0e
#define USB_DEVICE_CLASS_HEALTHCARE 0x0f
#define USB_DEVICE_CLASS_DIAG_DEVICE 0xdc
#define USB_DEVICE_CLASS_WIRELESS 0xe0
#define USB_DEVICE_CLASS_MISC 0xef
#define USB_DEVICE_CLASS_APP_SPECIFIC 0xfe
#define USB_DEVICE_CLASS_VEND_SPECIFIC 0xff
/* usb string index define */
#define USB_STRING_LANGID_INDEX 0x00
#define USB_STRING_MFC_INDEX 0x01
#define USB_STRING_PRODUCT_INDEX 0x02
#define USB_STRING_SERIAL_INDEX 0x03
#define USB_STRING_CONFIG_INDEX 0x04
#define USB_STRING_INTERFACE_INDEX 0x05
#define USB_STRING_OS_INDEX 0x06
#define USB_STRING_MAX USB_STRING_OS_INDEX
/*
* Devices supporting Microsoft OS Descriptors store special string
* descriptor at fixed index (0xEE). It is read when a new device is
* attached to a computer for the first time.
*/
#define USB_OSDESC_STRING_DESC_INDEX 0xEE
/* bmAttributes in Configuration Descriptor */
#define USB_CONFIG_REMOTE_WAKEUP 0x20
#define USB_CONFIG_POWERED_MASK 0x40
#define USB_CONFIG_BUS_POWERED 0x80
#define USB_CONFIG_SELF_POWERED 0xC0
/* bMaxPower in Configuration Descriptor */
#define USB_CONFIG_POWER_MA(mA) ((mA) / 2)
/* bEndpointAddress in Endpoint Descriptor */
#define USB_ENDPOINT_DIRECTION_MASK 0x80
#define USB_ENDPOINT_OUT(addr) ((addr) | 0x00)
#define USB_ENDPOINT_IN(addr) ((addr) | 0x80)
/**
* USB endpoint direction and number.
*/
#define USB_EP_DIR_MASK 0x80U
#define USB_EP_DIR_IN 0x80U
#define USB_EP_DIR_OUT 0x00U
/** Get endpoint index (number) from endpoint address */
#define USB_EP_GET_IDX(ep) ((ep) & ~USB_EP_DIR_MASK)
/** Get direction from endpoint address */
#define USB_EP_GET_DIR(ep) ((ep)&USB_EP_DIR_MASK)
/** Get endpoint address from endpoint index and direction */
#define USB_EP_GET_ADDR(idx, dir) ((idx) | ((dir)&USB_EP_DIR_MASK))
/** True if the endpoint is an IN endpoint */
#define USB_EP_DIR_IS_IN(ep) (USB_EP_GET_DIR(ep) == USB_EP_DIR_IN)
/** True if the endpoint is an OUT endpoint */
#define USB_EP_DIR_IS_OUT(ep) (USB_EP_GET_DIR(ep) == USB_EP_DIR_OUT)
/* bmAttributes in Endpoint Descriptor */
#define USB_ENDPOINT_TYPE_SHIFT 0
#define USB_ENDPOINT_TYPE_CONTROL (0 << USB_ENDPOINT_TYPE_SHIFT)
#define USB_ENDPOINT_TYPE_ISOCHRONOUS (1 << USB_ENDPOINT_TYPE_SHIFT)
#define USB_ENDPOINT_TYPE_BULK (2 << USB_ENDPOINT_TYPE_SHIFT)
#define USB_ENDPOINT_TYPE_INTERRUPT (3 << USB_ENDPOINT_TYPE_SHIFT)
#define USB_ENDPOINT_TYPE_MASK (3 << USB_ENDPOINT_TYPE_SHIFT)
#define USB_GET_ENDPOINT_TYPE(x) ((x & USB_ENDPOINT_TYPE_MASK) >> USB_ENDPOINT_TYPE_SHIFT)
#define USB_ENDPOINT_SYNC_SHIFT 2
#define USB_ENDPOINT_SYNC_NO_SYNCHRONIZATION (0 << USB_ENDPOINT_SYNC_SHIFT)
#define USB_ENDPOINT_SYNC_ASYNCHRONOUS (1 << USB_ENDPOINT_SYNC_SHIFT)
#define USB_ENDPOINT_SYNC_ADAPTIVE (2 << USB_ENDPOINT_SYNC_SHIFT)
#define USB_ENDPOINT_SYNC_SYNCHRONOUS (3 << USB_ENDPOINT_SYNC_SHIFT)
#define USB_ENDPOINT_SYNC_MASK (3 << USB_ENDPOINT_SYNC_SHIFT)
#define USB_ENDPOINT_USAGE_SHIFT 4
#define USB_ENDPOINT_USAGE_DATA (0 << USB_ENDPOINT_USAGE_SHIFT)
#define USB_ENDPOINT_USAGE_FEEDBACK (1 << USB_ENDPOINT_USAGE_SHIFT)
#define USB_ENDPOINT_USAGE_IMPLICIT_FEEDBACK (2 << USB_ENDPOINT_USAGE_SHIFT)
#define USB_ENDPOINT_USAGE_MASK (3 << USB_ENDPOINT_USAGE_SHIFT)
#define USB_ENDPOINT_MAX_ADJUSTABLE (1 << 7)
/* wMaxPacketSize in Endpoint Descriptor */
#define USB_MAXPACKETSIZE_SHIFT 0
#define USB_MAXPACKETSIZE_MASK (0x7ff << USB_MAXPACKETSIZE_SHIFT)
#define USB_MAXPACKETSIZE_ADDITIONAL_TRANSCATION_SHIFT 11
#define USB_MAXPACKETSIZE_ADDITIONAL_TRANSCATION_NONE (0 << USB_MAXPACKETSIZE_ADDITIONAL_TRANSCATION_SHIFT)
#define USB_MAXPACKETSIZE_ADDITIONAL_TRANSCATION_ONE (1 << USB_MAXPACKETSIZE_ADDITIONAL_TRANSCATION_SHIFT)
#define USB_MAXPACKETSIZE_ADDITIONAL_TRANSCATION_TWO (2 << USB_MAXPACKETSIZE_ADDITIONAL_TRANSCATION_SHIFT)
#define USB_MAXPACKETSIZE_ADDITIONAL_TRANSCATION_MASK (3 << USB_MAXPACKETSIZE_ADDITIONAL_TRANSCATION_SHIFT)
#define USB_GET_MAXPACKETSIZE(x) ((x & USB_MAXPACKETSIZE_MASK) >> USB_MAXPACKETSIZE_SHIFT)
#define USB_GET_MULT(x) ((x & USB_MAXPACKETSIZE_ADDITIONAL_TRANSCATION_MASK) >> USB_MAXPACKETSIZE_ADDITIONAL_TRANSCATION_SHIFT)
/* bDevCapabilityType in Device Capability Descriptor */
#define USB_DEVICE_CAPABILITY_WIRELESS_USB 1
#define USB_DEVICE_CAPABILITY_USB_2_0_EXTENSION 2
#define USB_DEVICE_CAPABILITY_SUPERSPEED_USB 3
#define USB_DEVICE_CAPABILITY_CONTAINER_ID 4
#define USB_DEVICE_CAPABILITY_PLATFORM 5
#define USB_DEVICE_CAPABILITY_POWER_DELIVERY_CAPABILITY 6
#define USB_DEVICE_CAPABILITY_BATTERY_INFO_CAPABILITY 7
#define USB_DEVICE_CAPABILITY_PD_CONSUMER_PORT_CAPABILITY 8
#define USB_DEVICE_CAPABILITY_PD_PROVIDER_PORT_CAPABILITY 9
#define USB_DEVICE_CAPABILITY_SUPERSPEED_PLUS 10
#define USB_DEVICE_CAPABILITY_PRECISION_TIME_MEASUREMENT 11
#define USB_DEVICE_CAPABILITY_WIRELESS_USB_EXT 12
#define USB_BOS_CAPABILITY_EXTENSION 0x02
#define USB_BOS_CAPABILITY_PLATFORM 0x05
/* OTG SET FEATURE Constants */
#define USB_OTG_FEATURE_B_HNP_ENABLE 3 /* Enable B device to perform HNP */
#define USB_OTG_FEATURE_A_HNP_SUPPORT 4 /* A device supports HNP */
#define USB_OTG_FEATURE_A_ALT_HNP_SUPPORT 5 /* Another port on the A device supports HNP */
/* WinUSB Microsoft OS 2.0 descriptor request codes */
#define WINUSB_REQUEST_GET_DESCRIPTOR_SET 0x07
#define WINUSB_REQUEST_SET_ALT_ENUM 0x08
/* WinUSB Microsoft OS 2.0 descriptor sizes */
#define WINUSB_DESCRIPTOR_SET_HEADER_SIZE 10
#define WINUSB_FUNCTION_SUBSET_HEADER_SIZE 8
#define WINUSB_FEATURE_COMPATIBLE_ID_SIZE 20
/* WinUSB Microsoft OS 2.0 Descriptor Types */
#define WINUSB_SET_HEADER_DESCRIPTOR_TYPE 0x00
#define WINUSB_SUBSET_HEADER_CONFIGURATION_TYPE 0x01
#define WINUSB_SUBSET_HEADER_FUNCTION_TYPE 0x02
#define WINUSB_FEATURE_COMPATIBLE_ID_TYPE 0x03
#define WINUSB_FEATURE_REG_PROPERTY_TYPE 0x04
#define WINUSB_FEATURE_MIN_RESUME_TIME_TYPE 0x05
#define WINUSB_FEATURE_MODEL_ID_TYPE 0x06
#define WINUSB_FEATURE_CCGP_DEVICE_TYPE 0x07
#define WINUSB_PROP_DATA_TYPE_REG_SZ 0x01
#define WINUSB_PROP_DATA_TYPE_REG_MULTI_SZ 0x07
/* WebUSB Descriptor Types */
#define WEBUSB_DESCRIPTOR_SET_HEADER_TYPE 0x00
#define WEBUSB_CONFIGURATION_SUBSET_HEADER_TYPE 0x01
#define WEBUSB_FUNCTION_SUBSET_HEADER_TYPE 0x02
#define WEBUSB_URL_TYPE 0x03
/* WebUSB Request Codes */
#define WEBUSB_REQUEST_GET_URL 0x02
/* bScheme in URL descriptor */
#define WEBUSB_URL_SCHEME_HTTP 0x00
#define WEBUSB_URL_SCHEME_HTTPS 0x01
/* WebUSB Descriptor sizes */
#define WEBUSB_DESCRIPTOR_SET_HEADER_SIZE 5
#define WEBUSB_CONFIGURATION_SUBSET_HEADER_SIZE 4
#define WEBUSB_FUNCTION_SUBSET_HEADER_SIZE 3
/* Setup packet definition used to read raw data from USB line */
struct usb_setup_packet {
/** Request type. Bits 0:4 determine recipient, see
* \ref usb_request_recipient. Bits 5:6 determine type, see
* \ref usb_request_type. Bit 7 determines data transfer direction, see
* \ref usb_endpoint_direction.
*/
uint8_t bmRequestType;
/** Request. If the type bits of bmRequestType are equal to
* \ref usb_request_type::LIBUSB_REQUEST_TYPE_STANDARD
* "USB_REQUEST_TYPE_STANDARD" then this field refers to
* \ref usb_standard_request. For other cases, use of this field is
* application-specific. */
uint8_t bRequest;
/** Value. Varies according to request */
uint16_t wValue;
/** Index. Varies according to request, typically used to pass an index
* or offset */
uint16_t wIndex;
/** Number of bytes to transfer */
uint16_t wLength;
} __PACKED;
#define USB_SIZEOF_SETUP_PACKET 8
/** Standard Device Descriptor */
struct usb_device_descriptor {
uint8_t bLength; /* Descriptor size in bytes = 18 */
uint8_t bDescriptorType; /* DEVICE descriptor type = 1 */
uint16_t bcdUSB; /* USB spec in BCD, e.g. 0x0200 */
uint8_t bDeviceClass; /* Class code, if 0 see interface */
uint8_t bDeviceSubClass; /* Sub-Class code, 0 if class = 0 */
uint8_t bDeviceProtocol; /* Protocol, if 0 see interface */
uint8_t bMaxPacketSize0; /* Endpoint 0 max. size */
uint16_t idVendor; /* Vendor ID per USB-IF */
uint16_t idProduct; /* Product ID per manufacturer */
uint16_t bcdDevice; /* Device release # in BCD */
uint8_t iManufacturer; /* Index to manufacturer string */
uint8_t iProduct; /* Index to product string */
uint8_t iSerialNumber; /* Index to serial number string */
uint8_t bNumConfigurations; /* Number of possible configurations */
} __PACKED;
#define USB_SIZEOF_DEVICE_DESC 18
/** Standard Configuration Descriptor */
struct usb_configuration_descriptor {
uint8_t bLength; /* Descriptor size in bytes = 9 */
uint8_t bDescriptorType; /* CONFIGURATION type = 2 or 7 */
uint16_t wTotalLength; /* Length of concatenated descriptors */
uint8_t bNumInterfaces; /* Number of interfaces, this config. */
uint8_t bConfigurationValue; /* Value to set this config. */
uint8_t iConfiguration; /* Index to configuration string */
uint8_t bmAttributes; /* Config. characteristics */
uint8_t bMaxPower; /* Max.power from bus, 2mA units */
} __PACKED;
#define USB_SIZEOF_CONFIG_DESC 9
/** Standard Interface Descriptor */
struct usb_interface_descriptor {
uint8_t bLength; /* Descriptor size in bytes = 9 */
uint8_t bDescriptorType; /* INTERFACE descriptor type = 4 */
uint8_t bInterfaceNumber; /* Interface no.*/
uint8_t bAlternateSetting; /* Value to select this IF */
uint8_t bNumEndpoints; /* Number of endpoints excluding 0 */
uint8_t bInterfaceClass; /* Class code, 0xFF = vendor */
uint8_t bInterfaceSubClass; /* Sub-Class code, 0 if class = 0 */
uint8_t bInterfaceProtocol; /* Protocol, 0xFF = vendor */
uint8_t iInterface; /* Index to interface string */
} __PACKED;
#define USB_SIZEOF_INTERFACE_DESC 9
/** Standard Endpoint Descriptor */
struct usb_endpoint_descriptor {
uint8_t bLength; /* Descriptor size in bytes = 7 */
uint8_t bDescriptorType; /* ENDPOINT descriptor type = 5 */
uint8_t bEndpointAddress; /* Endpoint # 0 - 15 | IN/OUT */
uint8_t bmAttributes; /* Transfer type */
uint16_t wMaxPacketSize; /* Bits 10:0 = max. packet size */
uint8_t bInterval; /* Polling interval in (micro) frames */
} __PACKED;
#define USB_SIZEOF_ENDPOINT_DESC 7
/** Unicode (UTF16LE) String Descriptor */
struct usb_string_descriptor {
uint8_t bLength;
uint8_t bDescriptorType;
uint16_t bString;
} __PACKED;
#define USB_SIZEOF_STRING_LANGID_DESC 4
/* USB Interface Association Descriptor */
struct usb_interface_association_descriptor {
uint8_t bLength;
uint8_t bDescriptorType;
uint8_t bFirstInterface;
uint8_t bInterfaceCount;
uint8_t bFunctionClass;
uint8_t bFunctionSubClass;
uint8_t bFunctionProtocol;
uint8_t iFunction;
} __PACKED;
#define USB_SIZEOF_IAD_DESC 8
/** USB device_qualifier descriptor */
struct usb_device_qualifier_descriptor {
uint8_t bLength; /* Descriptor size in bytes = 10 */
uint8_t bDescriptorType; /* DEVICE QUALIFIER type = 6 */
uint16_t bcdUSB; /* USB spec in BCD, e.g. 0x0200 */
uint8_t bDeviceClass; /* Class code, if 0 see interface */
uint8_t bDeviceSubClass; /* Sub-Class code, 0 if class = 0 */
uint8_t bDeviceProtocol; /* Protocol, if 0 see interface */
uint8_t bMaxPacketSize; /* Endpoint 0 max. size */
uint8_t bNumConfigurations; /* Number of possible configurations */
uint8_t bReserved; /* Reserved = 0 */
} __PACKED;
#define USB_SIZEOF_DEVICE_QUALIFIER_DESC 10
/* Microsoft OS function descriptor.
* This can be used to request a specific driver (such as WINUSB) to be
* loaded on Windows. Unlike other descriptors, it is requested by a special
* request USB_REQ_GETMSFTOSDESCRIPTOR.
* More details:
* https://msdn.microsoft.com/en-us/windows/hardware/gg463179
* And excellent explanation:
* https://github.com/pbatard/libwdi/wiki/WCID-Devices
*
* The device will have exactly one "Extended Compat ID Feature Descriptor",
* which may contain multiple "Function Descriptors" associated with
* different interfaces.
*/
/* MS OS 1.0 string descriptor */
struct usb_msosv1_string_descriptor {
uint8_t bLength;
uint8_t bDescriptorType;
uint8_t bString[14];
uint8_t bMS_VendorCode; /* Vendor Code, used for a control request */
uint8_t bPad; /* Padding byte for VendorCode look as UTF16 */
} __PACKED;
/* MS OS 1.0 Header descriptor */
struct usb_msosv1_compat_id_header_descriptor {
uint32_t dwLength;
uint16_t bcdVersion;
uint16_t wIndex;
uint8_t bCount;
uint8_t reserved[7];
} __PACKED;
/* MS OS 1.0 Function descriptor */
struct usb_msosv1_comp_id_function_descriptor {
uint8_t bFirstInterfaceNumber;
uint8_t reserved1;
uint8_t compatibleID[8];
uint8_t subCompatibleID[8];
uint8_t reserved2[6];
} __PACKED;
#define usb_msosv1_comp_id_create(x) \
struct usb_msosv1_comp_id { \
struct usb_msosv1_compat_id_header_descriptor compat_id_header; \
struct usb_msosv1_comp_id_function_descriptor compat_id_function[x]; \
};
struct usb_msosv1_descriptor {
const uint8_t *string;
uint8_t vendor_code;
const uint8_t *compat_id;
const uint8_t **comp_id_property;
};
/* MS OS 2.0 Header descriptor */
struct usb_msosv2_header_descriptor {
uint32_t dwLength;
uint16_t bcdVersion;
uint16_t wIndex;
uint8_t bCount;
} __PACKED;
/*Microsoft OS 2.0 set header descriptor*/
struct usb_msosv2_set_header_descriptor {
uint16_t wLength;
uint16_t wDescriptorType;
uint32_t dwWindowsVersion;
uint16_t wDescriptorSetTotalLength;
} __PACKED;
/* Microsoft OS 2.0 compatibleID descriptor*/
struct usb_msosv2_comp_id_descriptor {
uint16_t wLength;
uint16_t wDescriptorType;
uint8_t compatibleID[8];
uint8_t subCompatibleID[8];
} __PACKED;
/* MS OS 2.0 property descriptor */
struct usb_msosv2_property_descriptor {
uint16_t wLength;
uint16_t wDescriptorType;
uint32_t dwPropertyDataType;
uint16_t wPropertyNameLength;
const char *bPropertyName;
uint32_t dwPropertyDataLength;
const char *bPropertyData;
};
/* Microsoft OS 2.0 subset function descriptor */
struct usb_msosv2_subset_function_descriptor {
uint16_t wLength;
uint16_t wDescriptorType;
uint8_t bFirstInterface;
uint8_t bReserved;
uint16_t wSubsetLength;
} __PACKED;
struct usb_msosv2_descriptor {
const uint8_t *compat_id;
uint16_t compat_id_len;
uint8_t vendor_code;
};
/* BOS header Descriptor */
struct usb_bos_header_descriptor {
uint8_t bLength;
uint8_t bDescriptorType;
uint16_t wTotalLength;
uint8_t bNumDeviceCaps;
} __PACKED;
/* BOS Capability platform Descriptor */
struct usb_bos_capability_platform_descriptor {
uint8_t bLength;
uint8_t bDescriptorType;
uint8_t bDevCapabilityType;
uint8_t bReserved;
uint8_t PlatformCapabilityUUID[16];
} __PACKED;
/* BOS Capability MS OS Descriptors version 2 */
struct usb_bos_capability_msosv2_descriptor {
uint32_t dwWindowsVersion;
uint16_t wMSOSDescriptorSetTotalLength;
uint8_t bVendorCode;
uint8_t bAltEnumCode;
} __PACKED;
/* BOS Capability webusb */
struct usb_bos_capability_webusb_descriptor {
uint16_t bcdVersion;
uint8_t bVendorCode;
uint8_t iLandingPage;
} __PACKED;
/* BOS Capability extension Descriptor*/
struct usb_bos_capability_extension_descriptor {
uint8_t bLength;
uint8_t bDescriptorType;
uint8_t bDevCapabilityType;
uint32_t bmAttributes;
} __PACKED;
/* Microsoft OS 2.0 Platform Capability Descriptor
* See https://docs.microsoft.com/en-us/windows-hardware/drivers/usbcon/
* microsoft-defined-usb-descriptors
* Adapted from the source:
* https://github.com/sowbug/weblight/blob/master/firmware/webusb.c
* (BSD-2) Thanks http://janaxelson.com/files/ms_os_20_descriptors.c
*/
struct usb_bos_capability_platform_msosv2_descriptor {
struct usb_bos_capability_platform_descriptor platform_msos;
struct usb_bos_capability_msosv2_descriptor data_msosv2;
} __PACKED;
/* WebUSB Platform Capability Descriptor:
* https://wicg.github.io/webusb/#webusb-platform-capability-descriptor
*/
struct usb_bos_capability_platform_webusb_descriptor {
struct usb_bos_capability_platform_descriptor platform_webusb;
struct usb_bos_capability_webusb_descriptor data_webusb;
} __PACKED;
struct usb_webusb_url_descriptor {
uint8_t bLength;
uint8_t bDescriptorType;
uint8_t bScheme;
char URL[];
} __PACKED;
struct usb_webusb_descriptor {
uint8_t vendor_code;
const uint8_t *string;
uint32_t string_len;
} __PACKED;
struct usb_bos_descriptor {
const uint8_t *string;
uint32_t string_len;
};
/* USB Device Capability Descriptor */
struct usb_device_capability_descriptor {
uint8_t bLength;
uint8_t bDescriptorType;
uint8_t bDevCapabilityType;
} __PACKED;
/** USB descriptor header */
struct usb_desc_header {
uint8_t bLength; /**< descriptor length */
uint8_t bDescriptorType; /**< descriptor type */
};
// clang-format off
#define USB_DEVICE_DESCRIPTOR_INIT(bcdUSB, bDeviceClass, bDeviceSubClass, bDeviceProtocol, idVendor, idProduct, bcdDevice, bNumConfigurations) \
0x12, /* bLength */ \
USB_DESCRIPTOR_TYPE_DEVICE, /* bDescriptorType */ \
WBVAL(bcdUSB), /* bcdUSB */ \
bDeviceClass, /* bDeviceClass */ \
bDeviceSubClass, /* bDeviceSubClass */ \
bDeviceProtocol, /* bDeviceProtocol */ \
0x40, /* bMaxPacketSize */ \
WBVAL(idVendor), /* idVendor */ \
WBVAL(idProduct), /* idProduct */ \
WBVAL(bcdDevice), /* bcdDevice */ \
USB_STRING_MFC_INDEX, /* iManufacturer */ \
USB_STRING_PRODUCT_INDEX, /* iProduct */ \
USB_STRING_SERIAL_INDEX, /* iSerial */ \
bNumConfigurations /* bNumConfigurations */
#define USB_CONFIG_DESCRIPTOR_INIT(wTotalLength, bNumInterfaces, bConfigurationValue, bmAttributes, bMaxPower) \
0x09, /* bLength */ \
USB_DESCRIPTOR_TYPE_CONFIGURATION, /* bDescriptorType */ \
WBVAL(wTotalLength), /* wTotalLength */ \
bNumInterfaces, /* bNumInterfaces */ \
bConfigurationValue, /* bConfigurationValue */ \
0x00, /* iConfiguration */ \
bmAttributes, /* bmAttributes */ \
USB_CONFIG_POWER_MA(bMaxPower) /* bMaxPower */
#define USB_DEVICE_QUALIFIER_DESCRIPTOR_INIT(bcdUSB, bDeviceClass, bDeviceSubClass, bDeviceProtocol, bNumConfigurations) \
0x0A, /* bLength */ \
USB_DESCRIPTOR_TYPE_DEVICE_QUALIFIER, /* bDescriptorType */ \
WBVAL(bcdUSB), /* bcdUSB */ \
bDeviceClass, /* bDeviceClass */ \
bDeviceSubClass, /* bDeviceSubClass */ \
bDeviceProtocol, /* bDeviceProtocol */ \
0x40, /* bMaxPacketSize */ \
bNumConfigurations, /* bNumConfigurations */ \
0x00 /* bReserved */
#define USB_OTHER_SPEED_CONFIG_DESCRIPTOR_INIT(wTotalLength, bNumInterfaces, bConfigurationValue, bmAttributes, bMaxPower) \
0x09, /* bLength */ \
USB_DESCRIPTOR_TYPE_OTHER_SPEED, /* bDescriptorType */ \
WBVAL(wTotalLength), /* wTotalLength */ \
bNumInterfaces, /* bNumInterfaces */ \
bConfigurationValue, /* bConfigurationValue */ \
0x00, /* iConfiguration */ \
bmAttributes, /* bmAttributes */ \
USB_CONFIG_POWER_MA(bMaxPower) /* bMaxPower */
#define USB_INTERFACE_DESCRIPTOR_INIT(bInterfaceNumber, bAlternateSetting, bNumEndpoints, \
bInterfaceClass, bInterfaceSubClass, bInterfaceProtocol, iInterface) \
0x09, /* bLength */ \
USB_DESCRIPTOR_TYPE_INTERFACE, /* bDescriptorType */ \
bInterfaceNumber, /* bInterfaceNumber */ \
bAlternateSetting, /* bAlternateSetting */ \
bNumEndpoints, /* bNumEndpoints */ \
bInterfaceClass, /* bInterfaceClass */ \
bInterfaceSubClass, /* bInterfaceSubClass */ \
bInterfaceProtocol, /* bInterfaceProtocol */ \
iInterface /* iInterface */
#define USB_ENDPOINT_DESCRIPTOR_INIT(bEndpointAddress, bmAttributes, wMaxPacketSize, bInterval) \
0x07, /* bLength */ \
USB_DESCRIPTOR_TYPE_ENDPOINT, /* bDescriptorType */ \
bEndpointAddress, /* bEndpointAddress */ \
bmAttributes, /* bmAttributes */ \
WBVAL(wMaxPacketSize), /* wMaxPacketSize */ \
bInterval /* bInterval */
#define USB_IAD_INIT(bFirstInterface, bInterfaceCount, bFunctionClass, bFunctionSubClass, bFunctionProtocol) \
0x08, /* bLength */ \
USB_DESCRIPTOR_TYPE_INTERFACE_ASSOCIATION, /* bDescriptorType */ \
bFirstInterface, /* bFirstInterface */ \
bInterfaceCount, /* bInterfaceCount */ \
bFunctionClass, /* bFunctionClass */ \
bFunctionSubClass, /* bFunctionSubClass */ \
bFunctionProtocol, /* bFunctionProtocol */ \
0x00 /* iFunction */
#define USB_LANGID_INIT(id) \
0x04, /* bLength */ \
USB_DESCRIPTOR_TYPE_STRING, /* bDescriptorType */ \
WBVAL(id) /* wLangID0 */
// clang-format on
#endif /* USB_DEF_H */
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