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test/py: Add a helper to send characters

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The existing run_command() method is not great for sending things other
than U-Boot commands. Add a helper for sending arbitrary strings as well
as control characters.

Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Tom Rini <trini@konsulko.com>
This commit is contained in:
Simon Glass 2025-03-15 14:25:50 +00:00 • committed by Tom Rini
parent 0b9e517aaf
commit 4c6774c606
1 changed files with 17 additions and 8 deletions
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25
test/py/console_base.py
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@ -370,21 +370,30 @@ class ConsoleBase(object):
output.append(self.run_command(cmd)) output.append(self.run_command(cmd))
return output return output
def ctrlc(self): def send(self, msg):
"""Send a CTRL-C character to U-Boot. """Send characters without waiting for echo, etc."""
self.run_command(msg, wait_for_prompt=False, wait_for_echo=False,
send_nl=False)
def ctrl(self, char):
"""Send a CTRL- character to U-Boot.
This is useful in order to stop execution of long-running synchronous This is useful in order to stop execution of long-running synchronous
commands such as "ums". commands such as "ums".
Args: Args:
None. char (str): Character to send, e.g. 'C' to send Ctrl-C
Returns:
Nothing.
""" """
self.log.action(f'Sending Ctrl-{char}')
self.send(chr(ord(char) - ord('@')))
self.log.action('Sending Ctrl-C') def ctrlc(self):
self.run_command(chr(3), wait_for_echo=False, send_nl=False) """Send a CTRL-C character to U-Boot.
This is useful in order to stop execution of long-running synchronous
commands such as "ums".
"""
self.ctrl('C')
def wait_for(self, text): def wait_for(self, text):
"""Wait for a pattern to be emitted by U-Boot. """Wait for a pattern to be emitted by U-Boot.