Lab. Information

The Textbook comes with 2 CDs containing a series of video clips. In order to see the video clips you need to install QuickTime. A Quicktime installer is included on CD #2 (QuickTime Installer, Video Clips).

Project Proposals

• Modify the BIOS to make the boot process happening from a USB device
• Extend the evbplus2 68HC11 Development Board to be interfaceable though the USB port

References

PCs available:

USB:

• J. Axelson, USB Complete, Lakeview Research, 2005
• USB overview
• Universal Serial Bus developers page
• usb 1.1 Spec. & usb 1.1 Eng. Change Notice
• usb 2.0 Spec.

Logic State Analyzer:

• TLA 5000 Series Logic Analyzers
• TLA 5202 User Manual

EVBplus2 68HC11 Development Board (Wytec)

• Readme
• Getting Started Manual
• User Manual
• Schematic
• Wytec CD

Tips & Examples

• Before doing any hardware change to the EVBplus2 board (e.g. moving the position of the jumpers) unplug the power supply from the board.
• When using the BUFFALO Monitor remember to:
  • Put J15 in BUFFALO position, and J22 in TRACE position
  • Enable the Terminal Window,
  • Set the COM to 9600,N,8,1 (baud rate 9600 bps, no parity, 8 data bits, 1 stop bit, Xon/Xoff Flow control),
  • Reset the board,
  • Type in the terminal window: load t,
  • Download the s19,
  • Type in the terminal window: go start-address
• When using the Wytec Monitor remember to:
• Put J15 in WYTEC position, and J22 in NO TRACE position
• Enable Wytec tools
• Set the COM to 38400,N,8,1 (baud rate 38400 bps, no parity, 8 data bits, 1 stop bit, Xon/Xoff Flow control),
• choose the s19 file to download, and click select file
• invoke the W11Bug debugger (click debugger)
• In the W11BUG window type: go start-address
• To exit W11BUG without locking the COM port in use, you must type the sequence: ESC, F10, E
• W11BUG has troubles to find files which are not in the Ex_WYTEC directory, so before downloading an s19 file to the board make sure to copy it in Ex_WYTEC
• Make sure to add the location of the binaries of the GNU 68HC11/68HC12 compiler to your PATH environmental variable (e.g. C:/gnu-6811/bin/)


• Examples:
• Blinking an LED in assembly: bled.asm code , prinout
• Blinking an LED in C: b-led.c code , prinout
• Providing the Memory map of the board to the Linker: memory.x file , printout
• Compiling and Linking C code: e.bat file , prinout

Software Tools for 68HC11

• AsmIDE Assembler: weblink , local mirror
• GNU C compiler for 68HC11 & 68HC12
• Downloads: weblink , local mirror
• Documentation