This directory contains the firmware source code for the Data Acquisition (DAQ) board, responsible for data collection, storage, and streaming.

Directory Structure

main.c / main.h - Main entry point for DAQ firmware, responsible for initialization and thread management.
daq_hub/ - Central hub defining behavior for SD card writing, Ethernet communication, SPI transactions, threads, etc.
spmc/ - Custom lockless Single Producer Multiple Consumer queue implementation for high throughput data buffering between CAN IRQs and consumer threads (SD card writing, Ethernet streaming).
fatfs/ - FatFs filesystem module for FAT/exFAT support on embedded systems; enables SD card writing
sdio/ - SDIO peripheral drivers for high-speed SD card communication
w5500/ - WIZnet TCP/IP chip drivers and application protocols (see w5500/README.md)