Mercurial > avr_jtag
diff tests/bypasstest.py @ 13:1ea479d26fce tip
Make sure shifting phase and add bypass.py.
- shifting phase is started after entering SHIFT state
Transition from CAP to SHIFT does not induce shifting.
- shifting phase is stoped after leaving SHIFT state.
Transition from SHIFT to EXIT1 also induce a bit of shifting.
| author | Thinker K.F. Li <thinker@branda.to> |
|---|---|
| date | Wed, 25 Feb 2009 20:08:29 +0800 |
| parents | |
| children |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/tests/bypasstest.py Wed Feb 25 20:08:29 2009 +0800 @@ -0,0 +1,47 @@ +import sys +import os +import fcntl +import jtagdev + +if len(sys.argv) != 2: + print >>sys.stderr, 'Usage: %s <UART Port>' % (sys.argv[0]) + sys.exit(1) +uart_fname = sys.argv[1] + +try: + uart_fo = file(uart_fname, 'r+b') +except IOError, e: + print e + sys.exit(1) + pass + +flags = fcntl.fcntl(uart_fo, fcntl.F_GETFL) +fcntl.fcntl(uart_fo, fcntl.F_SETFL, os.O_NONBLOCK | flags) + +jtagdev.debug_frame = 1 + +dev = jtagdev.jtagdev(uart_fo) + +dev.reset() +dev.wait_reply() + +dev.idle(); +dev.wait_reply() + +dev.go_shift_IR() +dev.wait_reply() + +dev.shift_IR_n_out('\x0f', 4) +dev.wait_reply() + +dev.go_shift_DR() +dev.wait_reply() + +dev.shift_DR_n_out('\x01' * 128, 1024) +dev.wait_reply() + +dev.go_shift_DR() +dev.wait_reply() + +dev.shift_DR_n_out('\xff\xff', 16) +dev.wait_reply()