openocd是比较好的调试工具软件,支持wiggle调试arm,也支持其他调试接口,例如USB口的FT2232.-openocd is a better tool for debugging software, support wiggle debug arm, also support the other debugging interface, such as the USB port of the FT2232.

OpenOCD(on chip debugger) document

jtag: OpenOCD r2578 compiled for Win32