zephyr/include/usb/usb_common.h

214 lines
6.4 KiB
C

/* SPDX-License-Identifier: BSD-3-Clause */
/***************************************************************************
*
*
* Copyright(c) 2015,2016 Intel Corporation.
* Copyright(c) 2017 PHYTEC Messtechnik GmbH
* Copyright(c) 2018 Nordic Semiconductor ASA
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
* * Neither the name of Intel Corporation nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
***************************************************************************/
/**
* @file
* @brief useful constants and macros for the USB application
*
* This file contains useful constants and macros for the USB applications.
*/
#include <version.h>
#ifndef ZEPHYR_INCLUDE_USB_USB_COMMON_H_
#define ZEPHYR_INCLUDE_USB_USB_COMMON_H_
#define BCD(x) ((((x) / 10) << 4) | ((x) % 10))
/* Descriptor size in bytes */
#define USB_DEVICE_DESC_SIZE 18
#define USB_CONFIGURATION_DESC_SIZE 9
#define USB_INTERFACE_DESC_SIZE 9
#define USB_ENDPOINT_DESC_SIZE 7
#define USB_STRING_DESC_SIZE 4
#define USB_HID_DESC_SIZE 9
#define USB_DFU_DESC_SIZE 9
#define USB_DEVICE_QUAL_DESC_SIZE 10
#define USB_INTERFACE_ASSOC_DESC_SIZE 8
/* Descriptor type */
#define USB_DEVICE_DESC 0x01U
#define USB_CONFIGURATION_DESC 0x02U
#define USB_STRING_DESC 0x03U
#define USB_INTERFACE_DESC 0x04U
#define USB_ENDPOINT_DESC 0x05U
#define USB_DEVICE_QUAL_DESC 0x06U
#define USB_OTHER_SPEED 0x07U
#define USB_INTERFACE_POWER 0x08U
#define USB_INTERFACE_ASSOC_DESC 0x0BU
#define USB_DEVICE_CAPABILITY_DESC 0x10U
#define USB_HID_DESC 0x21U
#define USB_HID_REPORT_DESC 0x22U
#define USB_CS_INTERFACE_DESC 0x24U
#define USB_CS_ENDPOINT_DESC 0x25U
#define USB_DFU_FUNCTIONAL_DESC 0x21U
#define USB_ASSOCIATION_DESC 0x0BU
#define USB_BINARY_OBJECT_STORE_DESC 0x0FU
/* 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 BCDDEVICE_RELNUM (BCD(KERNEL_VERSION_MAJOR) << 8 | \
BCD(KERNEL_VERSION_MINOR))
/* Highest value of Frame Number in SOF packets. */
#define USB_SOF_MAX 2047
/* bmAttributes:
* D7:Reserved, always 1,
* D6:Self-Powered -> 1,
* D5:Remote Wakeup -> 0,
* D4...0:Reserved -> 0
*/
#define USB_CONFIGURATION_ATTRIBUTES_REMOTE_WAKEUP BIT(5)
#define USB_CONFIGURATION_ATTRIBUTES_SELF_POWERED BIT(6)
#define USB_CONFIGURATION_ATTRIBUTES BIT(7) \
| ((COND_CODE_1(CONFIG_USB_SELF_POWERED, \
(USB_CONFIGURATION_ATTRIBUTES_SELF_POWERED), (0))) \
| (COND_CODE_1(CONFIG_USB_DEVICE_REMOTE_WAKEUP, \
(USB_CONFIGURATION_ATTRIBUTES_REMOTE_WAKEUP), (0))))
/* Classes */
#define AUDIO_CLASS 0x01
#define COMMUNICATION_DEVICE_CLASS 0x02
#define COMMUNICATION_DEVICE_CLASS_DATA 0x0A
#define HID_CLASS 0x03
#define MASS_STORAGE_CLASS 0x08
#define WIRELESS_DEVICE_CLASS 0xE0
#define MISC_CLASS 0xEF
#define CUSTOM_CLASS 0xFF
#define DFU_DEVICE_CLASS 0xFE
/* Sub-classes */
#define CDC_NCM_SUBCLASS 0x0d
#define BOOT_INTERFACE_SUBCLASS 0x01
#define SCSI_TRANSPARENT_SUBCLASS 0x06
#define DFU_INTERFACE_SUBCLASS 0x01
#define RF_SUBCLASS 0x01
#define CUSTOM_SUBCLASS 0xFF
/* Misc subclasses */
#define MISC_RNDIS_SUBCLASS 0x04
/* Protocols */
#define V25TER_PROTOCOL 0x01
#define MOUSE_PROTOCOL 0x02
#define BULK_ONLY_PROTOCOL 0x50
#define DFU_RUNTIME_PROTOCOL 0x01
#define DFU_MODE_PROTOCOL 0x02
#define BLUETOOTH_PROTOCOL 0x01
/* CDC ACM protocols */
#define ACM_VENDOR_PROTOCOL 0xFF
/* Misc protocols */
#define MISC_ETHERNET_PROTOCOL 0x01
/** Standard Device Descriptor */
struct usb_device_descriptor {
uint8_t bLength;
uint8_t bDescriptorType;
uint16_t bcdUSB;
uint8_t bDeviceClass;
uint8_t bDeviceSubClass;
uint8_t bDeviceProtocol;
uint8_t bMaxPacketSize0;
uint16_t idVendor;
uint16_t idProduct;
uint16_t bcdDevice;
uint8_t iManufacturer;
uint8_t iProduct;
uint8_t iSerialNumber;
uint8_t bNumConfigurations;
} __packed;
/** Unicode (UTF16LE) String Descriptor */
struct usb_string_descriptor {
uint8_t bLength;
uint8_t bDescriptorType;
uint16_t bString;
} __packed;
/** Association Descriptor */
struct usb_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;
/** Standard Configuration Descriptor */
struct usb_cfg_descriptor {
uint8_t bLength;
uint8_t bDescriptorType;
uint16_t wTotalLength;
uint8_t bNumInterfaces;
uint8_t bConfigurationValue;
uint8_t iConfiguration;
uint8_t bmAttributes;
uint8_t bMaxPower;
} __packed;
/** Standard Interface Descriptor */
struct usb_if_descriptor {
uint8_t bLength;
uint8_t bDescriptorType;
uint8_t bInterfaceNumber;
uint8_t bAlternateSetting;
uint8_t bNumEndpoints;
uint8_t bInterfaceClass;
uint8_t bInterfaceSubClass;
uint8_t bInterfaceProtocol;
uint8_t iInterface;
} __packed;
/** Standard Endpoint Descriptor */
struct usb_ep_descriptor {
uint8_t bLength;
uint8_t bDescriptorType;
uint8_t bEndpointAddress;
uint8_t bmAttributes;
uint16_t wMaxPacketSize;
uint8_t bInterval;
} __packed;
#endif /* ZEPHYR_INCLUDE_USB_USB_COMMON_H_ */