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USB3CV tool complains about too short serial number being used in MSC device. This just extends serial number to 12 characters, it makes it easier to analyze USB3CV logs where this unnecessary warning made output red. Offending warning: Serial Number string for MSC device : iSerialNumber = 0x3 Checking iSerialNumber String Descriptor: index = 0x03. String Descriptor : "123456". (ENGLISH_US) Using Language ID 0x409 MSC Serial Number length = 14 Invalid MSC Serial Number length : should be >= 26 ************************* Invalid MSC Serial Number length ************************* ************************* (MSC: 5.1.2) Serial number must be a string, 12 characters or longer (if the device supports a BOT interface, bInterfaceProtocol = 0x50), or exactly 12 characters long (if the device supports a CBI interface, bInterfaceProtocol = 0x00 or 0x01, and has a serial number).
.. figure:: docs/assets/logo.svg :alt: TinyUSB |Build Status| |Documentation Status| |License| TinyUSB is an open-source cross-platform USB Host/Device stack for embedded system, designed to be memory-safe with no dynamic allocation and thread-safe with all interrupt events are deferred then handled in the non-ISR task function. Please take a look at the online `documentation <https://docs.tinyusb.org/>`__. .. figure:: docs/assets/stack.svg :width: 500px :alt: stackup :: . ├── docs # Documentation ├── examples # Sample with Makefile build support ├── hw │ ├── bsp # Supported boards source files │ └── mcu # Low level mcu core & peripheral drivers ├── lib # Sources from 3rd party such as freeRTOS, fatfs ... ├── src # All sources files for TinyUSB stack itself. ├── test # Unit tests for the stack └── tools # Files used internally Supported MCUs ============== The stack supports the following MCUs: - **Dialog:** DA1469x - **Espressif:** ESP32-S2, ESP32-S3 - **MicroChip:** SAMD11, SAMD21, SAMD51, SAME5x, SAMG55, SAML21, SAML22, SAME7x - **NordicSemi:** nRF52833, nRF52840 - **Nuvoton:** NUC120, NUC121/NUC125, NUC126, NUC505 - **NXP:** - iMX RT Series: RT1011, RT1015, RT1021, RT1052, RT1062, RT1064 - Kinetis: KL25, K32L2Bxx - LPC Series: 11u, 13, 15, 17, 18, 40, 43, 51u, 54, 55 - **Raspberry Pi:** RP2040 - **Renesas:** RX63N, RX65N - **Silabs:** EFM32GG12 - **Sony:** CXD56 - **ST:** STM32 series: L0, L1, F0, F1, F2, F3, F4, F7, H7 both FullSpeed and HighSpeed - **TI:** MSP430 - **ValentyUSB:** eptri Here is the list of `Supported Devices`_ that can be used with provided examples. Device Stack ============ Supports multiple device configurations by dynamically changing USB descriptors, low power functions such like suspend, resume, and remote wakeup. The following device classes are supported: - Audio Class 2.0 (UAC2) - Bluetooth Host Controller Interface (BTH HCI) - Communication Device Class (CDC) - Device Firmware Update (DFU): DFU mode (WIP) and Runtinme - Human Interface Device (HID): Generic (In & Out), Keyboard, Mouse, Gamepad etc ... - Mass Storage Class (MSC): with multiple LUNs - Musical Instrument Digital Interface (MIDI) - Network with RNDIS, Ethernet Control Model (ECM), Network Control Model (NCM) - Test and Measurement Class (USBTMC) - Video class 1.5 (UVC): work in progress - Vendor-specific class support with generic In & Out endpoints. Can be used with MS OS 2.0 compatible descriptor to load winUSB driver without INF file. - `WebUSB <https://github.com/WICG/webusb>`__ with vendor-specific class If you have a special requirement, `usbd_app_driver_get_cb()` can be used to write your own class driver without modifying the stack. Here is how the RPi team added their reset interface [raspberrypi/pico-sdk#197](https://github.com/raspberrypi/pico-sdk/pull/197) Host Stack ========== - Human Interface Device (HID): Keyboard, Mouse, Generic - Mass Storage Class (MSC) - Hub currently only supports 1 level of hub (due to my laziness) OS Abstraction layer ==================== TinyUSB is completely thread-safe by pushing all Interrupt Service Request (ISR) events into a central queue, then processing them later in the non-ISR context task function. It also uses semaphore/mutex to access shared resources such as Communication Device Class (CDC) FIFO. Therefore the stack needs to use some of the OS's basic APIs. Following OSes are already supported out of the box. - **No OS** - **FreeRTOS** - **Mynewt** Due to the newt package build system, Mynewt examples are better to be on its [own repo](https://github.com/hathach/mynewt-tinyusb-example) Local Docs ========== - Info - `Uses`_ - `Changelog`_ - `Contributors`_ - `Reference`_ - `Supported Devices`_ - `Getting Started`_ - `Concurrency`_ - `Contributing`_ - `Code of Conduct`_ - `Structure`_ - `Porting`_ License ======= All TinyUSB sources in the ``src`` folder are licensed under MIT license, the `Full license is here <LICENSE>`__. However, each file can be individually licensed especially those in ``lib`` and ``hw/mcu`` folder. Please make sure you understand all the license term for files you use in your project. .. |Build Status| image:: https://github.com/hathach/tinyusb/workflows/Build/badge.svg :target: https://github.com/hathach/tinyusb/actions .. |Documentation Status| image:: https://readthedocs.org/projects/tinyusb/badge/?version=latest :target: https://docs.tinyusb.org/en/latest/?badge=latest .. |License| image:: https://img.shields.io/badge/license-MIT-brightgreen.svg :target: https://opensource.org/licenses/MIT .. _Uses: docs/info/uses.rst .. _Changelog: docs/info/changelog.rst .. _Contributors: CONTRIBUTORS.rst .. _Reference: docs/reference/index.rst .. _Supported Devices: docs/reference/supported.rst .. _Getting Started: docs/reference/getting_started.rst .. _Concurrency: docs/reference/concurrency.rst .. _Contributing: docs/contributing/index.rst .. _Code of Conduct: CODE_OF_CONDUCT.rst .. _Structure: docs/contributing/structure.rst .. _Porting: docs/contributing/porting.rst