![STM32F1, USB CDC, issues with writing to bulk endpoint. · Issue #1322 · libopencm3/libopencm3 · GitHub STM32F1, USB CDC, issues with writing to bulk endpoint. · Issue #1322 · libopencm3/libopencm3 · GitHub](https://user-images.githubusercontent.com/23363406/113476822-34f20b00-947e-11eb-9cc4-58f7de68196e.png)
STM32F1, USB CDC, issues with writing to bulk endpoint. · Issue #1322 · libopencm3/libopencm3 · GitHub
STM32F1, USB CDC, issues with writing to bulk endpoint. · Issue #1322 · libopencm3/libopencm3 · GitHub
![stm32 - STM32F103 USB - CDC Device Descriptor Request Failed - Electrical Engineering Stack Exchange stm32 - STM32F103 USB - CDC Device Descriptor Request Failed - Electrical Engineering Stack Exchange](https://i.stack.imgur.com/Yeh2n.png)
stm32 - STM32F103 USB - CDC Device Descriptor Request Failed - Electrical Engineering Stack Exchange
![stm32 - STM32F103 USB - CDC Device Descriptor Request Failed - Electrical Engineering Stack Exchange stm32 - STM32F103 USB - CDC Device Descriptor Request Failed - Electrical Engineering Stack Exchange](https://i.stack.imgur.com/lJdhr.png)