diff options
| author | Kevin O'Connor <kevin@koconnor.net> | 2021-02-28 16:44:03 -0500 |
|---|---|---|
| committer | Kevin O'Connor <kevin@koconnor.net> | 2021-02-28 16:44:03 -0500 |
| commit | c9b81e698e509d31527727e2b05f7036fe201997 (patch) | |
| tree | 3df939320ee7c1fc08086bb4b56dad8175f38ea0 /klippy/extras | |
| parent | a1a7b5e480a18118362f57bd16e2e8a8cbc5bcf2 (diff) | |
| download | kutter-c9b81e698e509d31527727e2b05f7036fe201997.tar.gz kutter-c9b81e698e509d31527727e2b05f7036fe201997.tar.xz kutter-c9b81e698e509d31527727e2b05f7036fe201997.zip | |
tmc: Allow more retries on a TMC UART read error during background checks
Allow three retries if we can't contact the TMC driver at all when it
is in UART mode.
Signed-off-by: Kevin O'Connor <kevin@koconnor.net>
Diffstat (limited to 'klippy/extras')
| -rw-r--r-- | klippy/extras/tmc.py | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/klippy/extras/tmc.py b/klippy/extras/tmc.py index 6d6e765b..11073e40 100644 --- a/klippy/extras/tmc.py +++ b/klippy/extras/tmc.py @@ -109,7 +109,16 @@ class TMCErrorCheck: last_value, reg_name, mask, err_mask = reg_info count = 0 while 1: - val = self.mcu_tmc.get_register(reg_name) + try: + val = self.mcu_tmc.get_register(reg_name) + except self.printer.command_error as e: + count += 1 + if count < 3 and str(e).startswith("Unable to read tmc uart"): + # Allow more retries on a TMC UART read error + reactor = self.printer.get_reactor() + reactor.pause(reactor.monotonic() + 0.050) + continue + raise if val & mask != last_value & mask: fmt = self.fields.pretty_format(reg_name, val) logging.info("TMC '%s' reports %s", self.stepper_name, fmt) |