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chore(usb_device): C++ standard after project(), UsbCdc doc section explains the composite example #835

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finger563 merged 1 commit into from
Oct 1, 2026
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chore(usb_device): C++ standard after project(), UsbCdc doc section explains the composite example #835

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3 changes: 2 additions & 1 deletion components/usb_device/example/CMakeLists.txt
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Original file line number Diff line number Diff line change
Expand Up @@ -2,7 +2,6 @@
# in this exact order for cmake to work correctly
cmake_minimum_required(VERSION 3.20)

set(CMAKE_CXX_STANDARD 20)

# This example needs the managed `espressif/esp_tinyusb` component (required by
# usb_device). It supports two build modes:
Expand Down Expand Up @@ -48,3 +47,5 @@ set(
)

project(usb_device_example)

set(CMAKE_CXX_STANDARD 20)
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3 changes: 3 additions & 0 deletions components/usb_device/include/usb_cdc.hpp
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Expand Up @@ -34,6 +34,9 @@ namespace espp {
* short and non-blocking; it is safe to call write() from within it.
*
* \section usb_cdc_ex1 UsbCdc Example
* UsbCdc is the CDC-only subset of espp::UsbDevice; the composite USB device
* example below shows the CDC interface (a framed-protocol link over Web
* Serial) next to the vendor and MSC interfaces.
* \snippet usb_device_example.cpp usb_device_example
*/
class UsbCdc : public BaseComponent {
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