openocd

Make your own openocd. cfg script like the one above.

Sun Bloggers 2009

Connect the JTAG interface and the SPOT, power the SPOT and launch openocd.

Sun Bloggers 2009

Amontec has similar JTAG interfaces with openocd support.

Sun Bloggers 2009

While the FT2232 is a popular JTAG interface, there are licensing issues with the FTDI drivers and the openocd GPL code.

Sun Bloggers 2009

This project uses libtool, automake and autoconf in addition to the usual gcc tools and you will need to install them if you don't have them already. openocd can be downloaded using subversion. openocd openocd is an open source software package for interacting ARM processors using JTAG.

Sun Bloggers 2009

The first two commands tell openocd what telnet and gdb port number it should listen on.

Sun Bloggers 2009

Unfortunately, there was some incompatibility with the openocd flash protect command and the Spansion MCP Flash memory we are using.

Sun Bloggers 2009

If no arguments are given, it will attempt to load the default script, openocd. cfg, in the current working directory. openocd can connect to telnet or gdb to interact with it once it's launched.

Sun Bloggers 2009

Jim is a stripped-down version of Tcl. openocd can be given optional arguments to run a command, execute a script, set debug level or log to a file.

Sun Bloggers 2009

By convention, openocd scripts are organized by subdirectories: "interface" contains information about the specific JTAG interface dongle, "target" is the ARM Processor IC and so on.

Sun Bloggers 2009