资 源 简 介
A simple USB-JTAG interface implemented using LUFA library running AT90USB162 based on Open Hardware board opendous.
Primary reason is to create a cheap replacement for the parallel port JTAG adapter "Wiggler" and alike.
Connecting pins to JTAG interface
PORTB is used for JTAG communications, with following pins configuration:
|Pin|Function|
|:--|:-------|
|0 |TDI |
|1 |TMS |
|2 |TRST |
|3 |SRST |
|4 |TCK |
|5 |TDO |
Various JTAG cable pin outs are available here: http://www.jtagtest.com/pinouts/
Configuring openocd
get the patched openocd-0.4.0:
wget http://opendous-jtag.googlecode.com/files/openocd-0.4.0.opendous.estick.tar.bz2tar jxf openocd-0.4.0.opendous.estick.tar.bz2
Run the ./configure --enable-opendous
or ./configure --enable-estick
it is synonym
cd openocd-0.4.0.opendous.estick./configure --prefix=/opt/arm --enable-opendousmake make install
