229 lines
7.7 KiB
C
229 lines
7.7 KiB
C
/*----------------------------------------------------------------------------
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* U S B - K e r n e l
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*----------------------------------------------------------------------------
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* Name: usb.h
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* Purpose: USB Definitions
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* Version: V1.20
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*----------------------------------------------------------------------------
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* This software is supplied "AS IS" without any warranties, express,
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* implied or statutory, including but not limited to the implied
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* warranties of fitness for purpose, satisfactory quality and
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* noninfringement. Keil extends you a royalty-free right to reproduce
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* and distribute executable files created using this software for use
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* on NXP Semiconductors LPC microcontroller devices only. Nothing else
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* gives you the right to use this software.
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*
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* Copyright (c) 2009 Keil - An ARM Company. All rights reserved.
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*---------------------------------------------------------------------------*/
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#ifndef __USB_H__
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#define __USB_H__
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typedef union {
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uint16_t W;
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struct {
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uint8_t L;
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uint8_t H;
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} __attribute__((packed)) WB;
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} __attribute__((packed)) WORD_BYTE;
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/* bmRequestType.Dir */
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#define REQUEST_HOST_TO_DEVICE 0
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#define REQUEST_DEVICE_TO_HOST 1
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/* bmRequestType.Type */
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#define REQUEST_STANDARD 0
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#define REQUEST_CLASS 1
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#define REQUEST_VENDOR 2
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#define REQUEST_RESERVED 3
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/* bmRequestType.Recipient */
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#define REQUEST_TO_DEVICE 0
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#define REQUEST_TO_INTERFACE 1
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#define REQUEST_TO_ENDPOINT 2
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#define REQUEST_TO_OTHER 3
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/* bmRequestType Definition */
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typedef union _REQUEST_TYPE {
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struct _BM {
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uint8_t Recipient : 5;
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uint8_t Type : 2;
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uint8_t Dir : 1;
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} __attribute__((packed)) BM;
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uint8_t B;
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} __attribute__((packed)) REQUEST_TYPE;
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/* USB Standard Request Codes */
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#define USB_REQUEST_GET_STATUS 0
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#define USB_REQUEST_CLEAR_FEATURE 1
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#define USB_REQUEST_SET_FEATURE 3
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#define USB_REQUEST_SET_ADDRESS 5
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#define USB_REQUEST_GET_DESCRIPTOR 6
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#define USB_REQUEST_SET_DESCRIPTOR 7
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#define USB_REQUEST_GET_CONFIGURATION 8
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#define USB_REQUEST_SET_CONFIGURATION 9
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#define USB_REQUEST_GET_INTERFACE 10
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#define USB_REQUEST_SET_INTERFACE 11
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#define USB_REQUEST_SYNC_FRAME 12
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/* USB GET_STATUS Bit Values */
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#define USB_GETSTATUS_SELF_POWERED 0x01
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#define USB_GETSTATUS_REMOTE_WAKEUP 0x02
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#define USB_GETSTATUS_ENDPOINT_STALL 0x01
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/* USB Standard Feature selectors */
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#define USB_FEATURE_ENDPOINT_STALL 0
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#define USB_FEATURE_REMOTE_WAKEUP 1
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/* USB Default Control Pipe Setup Packet */
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typedef struct _USB_SETUP_PACKET {
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REQUEST_TYPE bmRequestType;
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uint8_t bRequest;
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WORD_BYTE wValue;
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WORD_BYTE wIndex;
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uint16_t wLength;
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} __attribute__((packed)) USB_SETUP_PACKET;
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/* USB Descriptor Types */
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#define USB_DEVICE_DESCRIPTOR_TYPE 1
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#define USB_CONFIGURATION_DESCRIPTOR_TYPE 2
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#define USB_STRING_DESCRIPTOR_TYPE 3
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#define USB_INTERFACE_DESCRIPTOR_TYPE 4
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#define USB_ENDPOINT_DESCRIPTOR_TYPE 5
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#define USB_DEVICE_QUALIFIER_DESCRIPTOR_TYPE 6
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#define USB_OTHER_SPEED_CONFIG_DESCRIPTOR_TYPE 7
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#define USB_INTERFACE_POWER_DESCRIPTOR_TYPE 8
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#define USB_OTG_DESCRIPTOR_TYPE 9
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#define USB_DEBUG_DESCRIPTOR_TYPE 10
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#define USB_INTERFACE_ASSOCIATION_DESCRIPTOR_TYPE 11
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/* USB Device Classes */
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#define USB_DEVICE_CLASS_RESERVED 0x00
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#define USB_DEVICE_CLASS_AUDIO 0x01
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#define USB_DEVICE_CLASS_COMMUNICATIONS 0x02
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#define USB_DEVICE_CLASS_HUMAN_INTERFACE 0x03
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#define USB_DEVICE_CLASS_MONITOR 0x04
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#define USB_DEVICE_CLASS_PHYSICAL_INTERFACE 0x05
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#define USB_DEVICE_CLASS_POWER 0x06
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#define USB_DEVICE_CLASS_PRINTER 0x07
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#define USB_DEVICE_CLASS_STORAGE 0x08
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#define USB_DEVICE_CLASS_HUB 0x09
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#define USB_DEVICE_CLASS_MISCELLANEOUS 0xEF
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#define USB_DEVICE_CLASS_VENDOR_SPECIFIC 0xFF
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/* bmAttributes in Configuration Descriptor */
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#define USB_CONFIG_POWERED_MASK 0x40
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#define USB_CONFIG_BUS_POWERED 0x80
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#define USB_CONFIG_SELF_POWERED 0xC0
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#define USB_CONFIG_REMOTE_WAKEUP 0x20
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/* bMaxPower in Configuration Descriptor */
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#define USB_CONFIG_POWER_MA(mA) ((mA)/2)
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/* bEndpointAddress in Endpoint Descriptor */
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#define USB_ENDPOINT_DIRECTION_MASK 0x80
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#define USB_ENDPOINT_OUT(addr) ((addr) | 0x00)
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#define USB_ENDPOINT_IN(addr) ((addr) | 0x80)
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/* bmAttributes in Endpoint Descriptor */
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#define USB_ENDPOINT_TYPE_MASK 0x03
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#define USB_ENDPOINT_TYPE_CONTROL 0x00
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#define USB_ENDPOINT_TYPE_ISOCHRONOUS 0x01
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#define USB_ENDPOINT_TYPE_BULK 0x02
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#define USB_ENDPOINT_TYPE_INTERRUPT 0x03
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#define USB_ENDPOINT_SYNC_MASK 0x0C
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#define USB_ENDPOINT_SYNC_NO_SYNCHRONIZATION 0x00
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#define USB_ENDPOINT_SYNC_ASYNCHRONOUS 0x04
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#define USB_ENDPOINT_SYNC_ADAPTIVE 0x08
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#define USB_ENDPOINT_SYNC_SYNCHRONOUS 0x0C
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#define USB_ENDPOINT_USAGE_MASK 0x30
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#define USB_ENDPOINT_USAGE_DATA 0x00
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#define USB_ENDPOINT_USAGE_FEEDBACK 0x10
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#define USB_ENDPOINT_USAGE_IMPLICIT_FEEDBACK 0x20
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#define USB_ENDPOINT_USAGE_RESERVED 0x30
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/* USB Standard Device Descriptor */
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typedef struct _USB_DEVICE_DESCRIPTOR {
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uint8_t bLength;
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uint8_t bDescriptorType;
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uint16_t bcdUSB;
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uint8_t bDeviceClass;
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uint8_t bDeviceSubClass;
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uint8_t bDeviceProtocol;
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uint8_t bMaxPacketSize0;
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uint16_t idVendor;
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uint16_t idProduct;
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uint16_t bcdDevice;
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uint8_t iManufacturer;
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uint8_t iProduct;
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uint8_t iSerialNumber;
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uint8_t bNumConfigurations;
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} __attribute__((packed)) USB_DEVICE_DESCRIPTOR;
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/* USB 2.0 Device Qualifier Descriptor */
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typedef struct _USB_DEVICE_QUALIFIER_DESCRIPTOR {
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uint8_t bLength;
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uint8_t bDescriptorType;
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uint16_t bcdUSB;
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uint8_t bDeviceClass;
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uint8_t bDeviceSubClass;
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uint8_t bDeviceProtocol;
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uint8_t bMaxPacketSize0;
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uint8_t bNumConfigurations;
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uint8_t bReserved;
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} __attribute__((packed)) USB_DEVICE_QUALIFIER_DESCRIPTOR;
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/* USB Standard Configuration Descriptor */
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typedef struct _USB_CONFIGURATION_DESCRIPTOR {
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uint8_t bLength;
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uint8_t bDescriptorType;
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uint16_t wTotalLength;
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uint8_t bNumInterfaces;
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uint8_t bConfigurationValue;
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uint8_t iConfiguration;
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uint8_t bmAttributes;
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uint8_t bMaxPower;
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} __attribute__((packed)) USB_CONFIGURATION_DESCRIPTOR;
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/* USB Standard Interface Descriptor */
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typedef struct _USB_INTERFACE_DESCRIPTOR {
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uint8_t bLength;
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uint8_t bDescriptorType;
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uint8_t bInterfaceNumber;
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uint8_t bAlternateSetting;
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uint8_t bNumEndpoints;
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uint8_t bInterfaceClass;
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uint8_t bInterfaceSubClass;
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uint8_t bInterfaceProtocol;
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uint8_t iInterface;
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} __attribute__((packed)) USB_INTERFACE_DESCRIPTOR;
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/* USB Standard Endpoint Descriptor */
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typedef struct _USB_ENDPOINT_DESCRIPTOR {
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uint8_t bLength;
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uint8_t bDescriptorType;
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uint8_t bEndpointAddress;
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uint8_t bmAttributes;
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uint16_t wMaxPacketSize;
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uint8_t bInterval;
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} __attribute__((packed)) USB_ENDPOINT_DESCRIPTOR;
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/* USB String Descriptor */
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typedef struct _USB_STRING_DESCRIPTOR {
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uint8_t bLength;
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uint8_t bDescriptorType;
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uint16_t bString/*[]*/;
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} __attribute__((packed)) USB_STRING_DESCRIPTOR;
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/* USB Common Descriptor */
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typedef struct _USB_COMMON_DESCRIPTOR {
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uint8_t bLength;
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uint8_t bDescriptorType;
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} __attribute__((packed)) USB_COMMON_DESCRIPTOR;
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#endif /* __USB_H__ */
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