From e815f68a5052acee779e6aeaecd909a572fc8f9e Mon Sep 17 00:00:00 2001 From: Roman Leonov Date: Fri, 21 Feb 2025 10:56:16 +0100 Subject: [PATCH] docs(usb_host): Removed the limitation for Low-speed device connected via hub --- docs/en/api-reference/peripherals/usb_host.rst | 1 - docs/zh_CN/api-reference/peripherals/usb_host.rst | 1 - 2 files changed, 2 deletions(-) diff --git a/docs/en/api-reference/peripherals/usb_host.rst b/docs/en/api-reference/peripherals/usb_host.rst index 1012748d85..b053bf0dbb 100644 --- a/docs/en/api-reference/peripherals/usb_host.rst +++ b/docs/en/api-reference/peripherals/usb_host.rst @@ -45,7 +45,6 @@ Currently, the Host Library and the underlying Host Stack has the following limi - Only supports using one configuration. Changing to other configurations after enumeration is not supported yet. - Transfer timeouts are not supported yet. :esp32p4: - {IDF_TARGET_NAME} contains two USB-OTG peripherals USB 2.0 OTG High-Speed and USB 2.0 OTG Full-Speed. Only the High-Speed instance is supported now. - - The External Hub Driver: Supports only devices with the same speed as upstream port speed (e.g., Low-speed device won't work through Full-speed external Hub). - The External Hub Driver: Remote Wakeup feature is not supported (External Hubs are active, even if there are no devices inserted). - The External Hub Driver: Doesn't handle error cases (overcurrent handling, errors during initialization etc. are not implemented yet). - The External Hub Driver: No Interface selection. The Driver uses the first available Interface with Hub Class code (09h). diff --git a/docs/zh_CN/api-reference/peripherals/usb_host.rst b/docs/zh_CN/api-reference/peripherals/usb_host.rst index 5a36b9bb08..0d66d381e6 100644 --- a/docs/zh_CN/api-reference/peripherals/usb_host.rst +++ b/docs/zh_CN/api-reference/peripherals/usb_host.rst @@ -45,7 +45,6 @@ USB 主机库（以下简称主机库）是 USB 主机栈的最底层，提供 - 仅支持使用发现的首个配置，尚不支持变更为其他配置。 - 尚不支持传输超时。 :esp32p4: - {IDF_TARGET_NAME} 包含两个 USB-OTG 外设：USB 2.0 OTG 高速和 USB 2.0 OTG 全速。目前仅支持高速实例。 - - 外部 Hub 驱动：仅支持与上游端口速率相同的设备。（例如，低速设备无法通过全速外部 Hub 工作。） - 外部 Hub 驱动：不支持远程唤醒功能（即使没有设备插入，外部 Hub 也处于工作状态）。 - 外部 Hub 驱动：不处理错误用例（尚未实现过流处理、初始化错误等功能）。 - 外部 Hub 驱动：不支持接口选择。驱动程序使用具有 Hub 类代码 (09h) 的第一个可用接口。