README.md

STM32F103CB_Maple_Mini_Clone_USB_CDC_Serial

Boilerplate for USB CDC VCOM serial communication with STM32F103CB-based Maple Mini Clone.

Folder Structure

--STM32F103CB_Maple_Mini_Clone_USB_CDC_Serial
  |
  |--lib
  |  |
  |  |--usb_serial_lib
  |     |
  |     |- delay.c
  |     |- delay.h
  |     |- usb_serial.c
  |     |- usb_serial.h
  |     |- usbcdc.c
  |     |- usbcdc.h
  |
  |--src
  |   |
  |   |- main.c
  |
  |- platformio.ini

Code Dependency

            [main.c]
               |
               |
         [usb_serial.*]
               |
               |
      +------------------+
      |                  |
      |                  |
  [usbcdc.*]         [delay.*]

Built With

• PlatformIO IDE - IDE used for programming
• libopencm3 - Open-Source lowlevel hardware library for ARM Cortex-M microcontrollers

Author

Daniel Duller - dadul96

License

This project is licensed under the GPL-3.0 License - see the LICENSE file for details

References/Documentation/Inspiration

• libopencm3 USB CDCACM example
• satoshinm/pill_serial
• Missing USB D+ pullup workaround
• LeafLabs Maple Mini Documentation
• stm32-base.org: Baite Maple Mini Clone Documentation
• beyondlogic.org: USB Descriptors
• ST AN4879 USB hardware and PCB guidelines