From the STM official routine extracted from the Ymodem protocol C implementation, pro test available, you can share files with the Windows super terminal. Can be applied to 32 bit or 8 bit microcontroller, very practical dongdong.

Ymodem\common.c
Ymodem\ymodem.c
Ymodem

• We are an exchange download platform that only provides communication channels. The downloaded content comes from the internet. Except for download issues, please Google on your own.
• The downloaded content is provided for members to upload. If it unintentionally infringes on your copyright, please contact us.
• Please use Winrar for decompression tools
• If download fail, Try it againg or Feedback to us.
• If downloaded content did not match the introduction, Feedback to us，Confirm and will be refund.
• Before downloading, you can inquire through the uploaded person information

Nothing．