A Minimal USB CDC ACM aka Virtual Serial Port
This page introduces a minimal firmware that implements a USB Virtual Serial Port for Microchip PIC18F4550 processor. The code has been optimized to use minimal amout of memory (both Flash and RAM) and tuned to work well with the Free SDCC C-compiler. The code size is less than 2500 bytes and it requires about 230 […]
A Minimal USB CDC ACM aka Virtual Serial Port Read More »