stm32f103 Forth devkernel showing realtime speed

Firstly, what are you looking at exactly ?

The video shows a serial terminal program running on a PC. It is communicating with a ARM Cortex-M Microprocessor via a serial communications link running at nearly half a megabit a second.

This realtime video showing how fast the STM32F103, 128KB Developers Image lists all the Words on my Forth development system.

This chip is used in Blue Pills, Olimex P103, and dozens of other popular cheap Chinese STM32F boards. The Developers Image contains EVERY peripheral and register and can print their realtime contents.

Notable points:
* Hardware Handshaking
* Gnu Screen terminal
* Baud Rate: 460800
* Clock is 72 MHz

In case you're wondering, the list in this video is 1443 Lines (Words) vertically long. It consists of various Forth system Words, some of my development aid Words, and all 775 STM32F103 Peripherals and Registers.

[davidjohnston]

Running an async serial connection at half a megabit? Just because you can doesn't mean you should.