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authorDaisuke Nojiri <dnojiri@chromium.org>2016-11-08 16:14:47 -0800
committerchrome-bot <chrome-bot@chromium.org>2016-11-09 23:26:28 -0800
commitd57ca415774be9bf136d9350b9ca52bb29c0ebfb (patch)
treeb7cd0d9ead048d80733f8c9e993a5bb606dd7c20 /cts
parentf44bc369824ee4c14c5d0987673e27e6510843bc (diff)
downloadchrome-ec-d57ca415774be9bf136d9350b9ca52bb29c0ebfb.tar.gz
eCTS: Pause a few seconds before flushing tty
After a board is reset for setting up a tty port, the host should wait for a few seconds before flushing the port as the board may still be booting. This should prevent output from the previous boot from creeping into a test run. BUG=none BRANCH=none TEST=cts.py -m gpio, interrupt, timer Change-Id: I1fb567a3a8ddcfff61865b6db3866c56be386c4a Signed-off-by: Daisuke Nojiri <dnojiri@chromium.org> Reviewed-on: https://chromium-review.googlesource.com/408759 Reviewed-by: Randall Spangler <rspangler@chromium.org>
Diffstat (limited to 'cts')
-rwxr-xr-xcts/cts.py29
1 files changed, 15 insertions, 14 deletions
diff --git a/cts/cts.py b/cts/cts.py
index 2d2e824cbc..b42f16c44b 100755
--- a/cts/cts.py
+++ b/cts/cts.py
@@ -121,19 +121,6 @@ class Cts(object):
self.th.get_serial()
self.dut.get_serial()
- def reset_boards(self):
- """Resets the boards and allows them to run tests
- Due to current (7/27/16) version of sync function,
- both boards must be rest and halted, with the th
- resuming first, in order for the test suite to run
- in sync
- """
- self.identify_boards()
- self.th.send_open_ocd_commands(['init', 'reset halt'])
- self.dut.send_open_ocd_commands(['init', 'reset halt'])
- self.th.send_open_ocd_commands(['init', 'resume'])
- self.dut.send_open_ocd_commands(['init', 'resume'])
-
@staticmethod
def get_macro_args(filepath, macro):
"""Get list of args of a certain macro in a file when macro is used
@@ -317,11 +304,25 @@ class Cts(object):
self.dut.setup_tty()
self.th.setup_tty()
+ # Boards might be still writing to tty. Wait a few seconds before flashing.
+ time.sleep(3)
+
# clear buffers
self.dut.read_tty()
self.th.read_tty()
- self.reset_boards()
+ # Resets the boards and allows them to run tests
+ # Due to current (7/27/16) version of sync function,
+ # both boards must be rest and halted, with the th
+ # resuming first, in order for the test suite to run in sync
+ print 'Halting TH...'
+ self.th.send_open_ocd_commands(['init', 'reset halt'])
+ print 'Resetting DUT...'
+ self.dut.send_open_ocd_commands(['init', 'reset halt'])
+ print 'Resuming TH...'
+ self.th.send_open_ocd_commands(['init', 'resume'])
+ print 'Resuming DUT...'
+ self.dut.send_open_ocd_commands(['init', 'resume'])
time.sleep(MAX_SUITE_TIME_SEC)