Development tasks

This page catalogs tasks for the Embedded Xinu project. Feel free to add new tasks and change existing tasks as you see fit.

Pending

Active

• USB HID (e.g. keyboard) support
• SD card support
• File System/Flash disk driver/TTY disk driver
• EJTAG interface for debugging, on platforms supporting it
• Improvements to testsuite (Internal/External Testing and Completion)
• Memory protection (on some platforms)

Future

Software

• Wireless networking
• Robo-switch
• Watchdog timer

Hardware

• External sensors
• Poke around WRT54G and WRT350N

Meta

• Windows port of xinu-console tools
• Rebooter daemon

Completed

Fall 2005

• Complete port of ancient-XINU (Pentium) to modern processor (PPC)

Summer 2006

• Hardware modifications for WRT54GLs
• Communicate over serial port (MIPS)
• Write loader for MIPS port

Fall 2006

• Complete port of PPC-XINU to MIPS-XINU
• Interrupt subsystem

Spring 2007

• Initial asynchronous UART driver (TTY driver)
• Initial file system (via the second TTY)

Summer 2007

• Basic Shell (port from x86)
• Improvements to the UART Driver and TTY Driver
• Code Audits
  • Including the startup process, UART Driver, TTY Driver, libxc, Interprocess Communication (now mailboxes), memory, interrupts, and other important XINU subsystems
• Hardware modifications for EJTAG port
  • Successfully wrote Flash memory via EJTAG interface

Fall 2007 - Spring 2013

• No one bothered to update this page, apparently.

Summer 2013

• Ported to Raspberry Pi
• Rewrote C library
• Added USB support
• Added TFTP and DHCP clients
• Reduced code duplication