Serprog Serprog is a serial flasher protocol that allows a userspace program like flashprog to communicate over a serial connection like RS232, USB endpount or a TCP stream to a microcontroller which talks to flash chip to read, write or erase it. Serprog works for all kinds of different flash chips but in this article we'll focus on SPI NOR since those are ubiquitous nowadays. Picoprog at OSFC: using embassy as a multifunction device For OSFC 2024, 9elements hosted a coreboot workshop, which...