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authorKevin O'Connor <kevin@koconnor.net>2018-01-29 10:16:42 -0500
committerKevin O'Connor <kevin@koconnor.net>2018-01-29 10:25:25 -0500
commit077a56c2ca0315957efa8969221b850ed34c2cf7 (patch)
treed032ac838fab3ef1f72f110d7ab65ccfae423e88
parenta67306c76b0c0c2083f9e39e1186a7c3e0550744 (diff)
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mcu: Default the restart method to 'command' on non-serial ports
If the mcu supports command restarts and it does not appear to use a real serial port, then default the restart method to 'command'. This is a better default on boards with native USB support. Signed-off-by: Kevin O'Connor <kevin@koconnor.net>
-rw-r--r--config/example.cfg5
-rw-r--r--klippy/mcu.py10
2 files changed, 11 insertions, 4 deletions
diff --git a/config/example.cfg b/config/example.cfg
index a7d6fd3d..bc71d46c 100644
--- a/config/example.cfg
+++ b/config/example.cfg
@@ -264,7 +264,7 @@ serial: /dev/ttyACM0
pin_map: arduino
# This option may be used to enable Arduino pin name aliases. The
# default is to not enable the aliases.
-#restart_method: arduino
+#restart_method:
# This controls the mechanism the host will use to reset the
# micro-controller. The choices are 'arduino', 'rpi_usb', and
# 'command'. The 'arduino' method (toggle DTR) is common on Arduino
@@ -273,7 +273,8 @@ pin_map: arduino
# disables power to all USB ports to accomplish a micro-controller
# reset. The 'command' method involves sending a Klipper command to
# the micro-controller so that it can reset itself. The default is
-# 'arduino'.
+# 'arduino' if the micro-controller communicates over a serial port,
+# 'command' otherwise.
# The printer section controls high level printer settings.
[printer]
diff --git a/klippy/mcu.py b/klippy/mcu.py
index 06da3ea6..d91e6314 100644
--- a/klippy/mcu.py
+++ b/klippy/mcu.py
@@ -428,9 +428,9 @@ class MCU:
# Restarts
self._restart_method = 'command'
if baud:
- rmethods = {m: m for m in ['arduino', 'command', 'rpi_usb']}
+ rmethods = {m: m for m in [None, 'arduino', 'command', 'rpi_usb']}
self._restart_method = config.getchoice(
- 'restart_method', rmethods, 'arduino')
+ 'restart_method', rmethods, None)
self._reset_cmd = self._config_reset_cmd = None
self._emergency_stop_cmd = None
self._is_shutdown = self._is_timeout = False
@@ -600,6 +600,12 @@ class MCU:
self._emergency_stop_cmd = self.lookup_command("emergency_stop")
self._reset_cmd = self.try_lookup_command("reset")
self._config_reset_cmd = self.try_lookup_command("config_reset")
+ if (self._restart_method is None
+ and (self._reset_cmd is not None
+ or self.config_reset_cmd is not None)
+ and self._serial.msgparser.get_constant(
+ 'SERIAL_BAUD', None) is None):
+ self._restart_method = 'command'
self.register_msg(self.handle_shutdown, 'shutdown')
self.register_msg(self.handle_shutdown, 'is_shutdown')
self.register_msg(self.handle_mcu_stats, 'stats')