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bus: move early i2c writes to the connect phase

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Signed-off-by: Timofey Titovets <nefelim4ag@gmail.com>
This commit is contained in:
Timofey Titovets 2025-08-13 18:59:45 +02:00 committed by KevinOConnor
parent 1965298ab0
commit eec81683eb
1 changed files with 8 additions and 4 deletions
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12
klippy/extras/bus.py
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@ -180,6 +180,13 @@ class MCU_I2C:
self.cmd_queue = self.mcu.alloc_command_queue()
self.mcu.register_config_callback(self.build_config)
self.i2c_write_cmd = self.i2c_read_cmd = None
printer = self.mcu.get_printer()
printer.register_event_handler("klippy:connect", self._handle_connect)
# backward support i2c_write inside the init section
self._to_write = []
def _handle_connect(self):
for data in self._to_write:
self.i2c_write(data)
def get_oid(self):
return self.oid
def get_mcu(self):
@ -207,10 +214,7 @@ class MCU_I2C:
cq=self.cmd_queue)
def i2c_write(self, data, minclock=0, reqclock=0):
if self.i2c_write_cmd is None:
# Send setup message via mcu initialization
data_msg = "".join(["%02x" % (x,) for x in data])
self.mcu.add_config_cmd("i2c_write oid=%d data=%s" % (
self.oid, data_msg), is_init=True)
self._to_write.append(data)
return
self.i2c_write_cmd.send([self.oid, data],
minclock=minclock, reqclock=reqclock)