3 Port USB-to-Serial Adapter Firmware for STM32 Blue Pill (STM32F103C8T6)

[r2axz]

Hi, I'd like to share my 3-port USB-to-Serial adapter firmware project for STM32 Blue Pill (STM32F103C8T6).

Features:

• 3 independent UART ports;
• Hardware flow control (RTS/CTS) support1;
• DSR/DTR/DCD signals support;
• 7 or 8 bit word length;
• None, even, odd parity;
• 1, 1.5, and 2 stop bits;
• Works with CDC Class drives on Linux, OS X, and Windows;
• Supports all standard baud rates;
• Supports non-standard baud rates;
• DMA RX/TX for high-speed communications;
• IDLE line detection for short response time;
• Signed INF driver for Windows XP, 7, and 8;
• Built-in command shell for device parameters configuration;
• No external dependencies other than CMSIS;

Open-source, MIT license, source code and binary releases are available at https://github.com/r2axz/bluepill-serial-monster