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			1131 lines
		
	
	
		
			52 KiB
		
	
	
	
		
			Python
		
	
	
	
	
	
			
		
		
	
	
			1131 lines
		
	
	
		
			52 KiB
		
	
	
	
		
			Python
		
	
	
	
	
	
| # Interface to Klipper micro-controller code
 | |
| #
 | |
| # Copyright (C) 2016-2025  Kevin O'Connor <kevin@koconnor.net>
 | |
| #
 | |
| # This file may be distributed under the terms of the GNU GPLv3 license.
 | |
| import sys, os, zlib, logging, math
 | |
| import serialhdl, msgproto, pins, chelper, clocksync
 | |
| 
 | |
| class error(Exception):
 | |
|     pass
 | |
| 
 | |
| 
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| ######################################################################
 | |
| # Command transmit helper classes
 | |
| ######################################################################
 | |
| 
 | |
| # Class to retry sending of a query command until a given response is received
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| class RetryAsyncCommand:
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|     TIMEOUT_TIME = 5.0
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|     RETRY_TIME = 0.500
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|     def __init__(self, serial, name, oid=None):
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|         self.serial = serial
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|         self.name = name
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|         self.oid = oid
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|         self.reactor = serial.get_reactor()
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|         self.completion = self.reactor.completion()
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|         self.min_query_time = self.reactor.monotonic()
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|         self.need_response = True
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|         self.serial.register_response(self.handle_callback, name, oid)
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|     def handle_callback(self, params):
 | |
|         if self.need_response and params['#sent_time'] >= self.min_query_time:
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|             self.need_response = False
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|             self.reactor.async_complete(self.completion, params)
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|     def get_response(self, cmds, cmd_queue, minclock=0, reqclock=0, retry=True):
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|         cmd, = cmds
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|         self.serial.raw_send_wait_ack(cmd, minclock, reqclock, cmd_queue)
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|         self.min_query_time = 0.
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|         timeout_time = query_time = self.reactor.monotonic()
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|         if retry:
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|             timeout_time += self.TIMEOUT_TIME
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|         while 1:
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|             params = self.completion.wait(query_time + self.RETRY_TIME)
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|             if params is not None:
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|                 self.serial.register_response(None, self.name, self.oid)
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|                 return params
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|             query_time = self.reactor.monotonic()
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|             if query_time > timeout_time:
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|                 self.serial.register_response(None, self.name, self.oid)
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|                 raise serialhdl.error("Timeout on wait for '%s' response"
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|                                       % (self.name,))
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|             self.serial.raw_send(cmd, minclock, minclock, cmd_queue)
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| 
 | |
| # Wrapper around query commands
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| class CommandQueryWrapper:
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|     def __init__(self, serial, msgformat, respformat, oid=None,
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|                  cmd_queue=None, is_async=False, error=serialhdl.error):
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|         self._serial = serial
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|         self._cmd = serial.get_msgparser().lookup_command(msgformat)
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|         serial.get_msgparser().lookup_command(respformat)
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|         self._response = respformat.split()[0]
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|         self._oid = oid
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|         self._error = error
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|         self._xmit_helper = serialhdl.SerialRetryCommand
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|         if is_async:
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|             self._xmit_helper = RetryAsyncCommand
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|         if cmd_queue is None:
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|             cmd_queue = serial.get_default_command_queue()
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|         self._cmd_queue = cmd_queue
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|     def _do_send(self, cmds, minclock, reqclock, retry):
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|         xh = self._xmit_helper(self._serial, self._response, self._oid)
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|         reqclock = max(minclock, reqclock)
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|         try:
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|             return xh.get_response(cmds, self._cmd_queue, minclock, reqclock,
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|                                    retry)
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|         except serialhdl.error as e:
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|             raise self._error(str(e))
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|     def send(self, data=(), minclock=0, reqclock=0, retry=True):
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|         return self._do_send([self._cmd.encode(data)], minclock, reqclock,
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|                              retry)
 | |
|     def send_with_preface(self, preface_cmd, preface_data=(), data=(),
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|                           minclock=0, reqclock=0, retry=True):
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|         cmds = [preface_cmd._cmd.encode(preface_data), self._cmd.encode(data)]
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|         return self._do_send(cmds, minclock, reqclock, retry)
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| 
 | |
| # Wrapper around command sending
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| class CommandWrapper:
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|     def __init__(self, serial, msgformat, cmd_queue=None, debugoutput=False):
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|         self._serial = serial
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|         msgparser = serial.get_msgparser()
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|         self._cmd = msgparser.lookup_command(msgformat)
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|         if cmd_queue is None:
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|             cmd_queue = serial.get_default_command_queue()
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|         self._cmd_queue = cmd_queue
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|         self._msgtag = msgparser.lookup_msgid(msgformat) & 0xffffffff
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|         if debugoutput:
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|             # Can't use send_wait_ack when in debugging mode
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|             self.send_wait_ack = self.send
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|     def send(self, data=(), minclock=0, reqclock=0):
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|         cmd = self._cmd.encode(data)
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|         self._serial.raw_send(cmd, minclock, reqclock, self._cmd_queue)
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|     def send_wait_ack(self, data=(), minclock=0, reqclock=0):
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|         cmd = self._cmd.encode(data)
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|         self._serial.raw_send_wait_ack(cmd, minclock, reqclock, self._cmd_queue)
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|     def get_command_tag(self):
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|         return self._msgtag
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| 
 | |
| 
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| ######################################################################
 | |
| # Wrapper classes for MCU pins
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| ######################################################################
 | |
| 
 | |
| class MCU_trsync:
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|     REASON_ENDSTOP_HIT = 1
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|     REASON_HOST_REQUEST = 2
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|     REASON_PAST_END_TIME = 3
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|     REASON_COMMS_TIMEOUT = 4
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|     def __init__(self, mcu, trdispatch):
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|         self._mcu = mcu
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|         self._trdispatch = trdispatch
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|         self._reactor = mcu.get_printer().get_reactor()
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|         self._steppers = []
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|         self._trdispatch_mcu = None
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|         self._oid = mcu.create_oid()
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|         self._cmd_queue = mcu.alloc_command_queue()
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|         self._trsync_start_cmd = self._trsync_set_timeout_cmd = None
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|         self._trsync_trigger_cmd = self._trsync_query_cmd = None
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|         self._stepper_stop_cmd = None
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|         self._trigger_completion = None
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|         self._home_end_clock = None
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|         mcu.register_config_callback(self._build_config)
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|         printer = mcu.get_printer()
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|         printer.register_event_handler("klippy:shutdown", self._shutdown)
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|     def get_mcu(self):
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|         return self._mcu
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|     def get_oid(self):
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|         return self._oid
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|     def get_command_queue(self):
 | |
|         return self._cmd_queue
 | |
|     def add_stepper(self, stepper):
 | |
|         if stepper in self._steppers:
 | |
|             return
 | |
|         self._steppers.append(stepper)
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|     def get_steppers(self):
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|         return list(self._steppers)
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|     def _build_config(self):
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|         mcu = self._mcu
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|         # Setup config
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|         mcu.add_config_cmd("config_trsync oid=%d" % (self._oid,))
 | |
|         mcu.add_config_cmd(
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|             "trsync_start oid=%d report_clock=0 report_ticks=0 expire_reason=0"
 | |
|             % (self._oid,), on_restart=True)
 | |
|         # Lookup commands
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|         self._trsync_start_cmd = mcu.lookup_command(
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|             "trsync_start oid=%c report_clock=%u report_ticks=%u"
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|             " expire_reason=%c", cq=self._cmd_queue)
 | |
|         self._trsync_set_timeout_cmd = mcu.lookup_command(
 | |
|             "trsync_set_timeout oid=%c clock=%u", cq=self._cmd_queue)
 | |
|         self._trsync_trigger_cmd = mcu.lookup_command(
 | |
|             "trsync_trigger oid=%c reason=%c", cq=self._cmd_queue)
 | |
|         self._trsync_query_cmd = mcu.lookup_query_command(
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|             "trsync_trigger oid=%c reason=%c",
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|             "trsync_state oid=%c can_trigger=%c trigger_reason=%c clock=%u",
 | |
|             oid=self._oid, cq=self._cmd_queue)
 | |
|         self._stepper_stop_cmd = mcu.lookup_command(
 | |
|             "stepper_stop_on_trigger oid=%c trsync_oid=%c", cq=self._cmd_queue)
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|         # Create trdispatch_mcu object
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|         set_timeout_tag = mcu.lookup_command(
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|             "trsync_set_timeout oid=%c clock=%u").get_command_tag()
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|         trigger_cmd = mcu.lookup_command("trsync_trigger oid=%c reason=%c")
 | |
|         trigger_tag = trigger_cmd.get_command_tag()
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|         state_cmd = mcu.lookup_command(
 | |
|             "trsync_state oid=%c can_trigger=%c trigger_reason=%c clock=%u")
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|         state_tag = state_cmd.get_command_tag()
 | |
|         ffi_main, ffi_lib = chelper.get_ffi()
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|         self._trdispatch_mcu = ffi_main.gc(ffi_lib.trdispatch_mcu_alloc(
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|             self._trdispatch, mcu._serial.get_serialqueue(), # XXX
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|             self._cmd_queue, self._oid, set_timeout_tag, trigger_tag,
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|             state_tag), ffi_lib.free)
 | |
|     def _shutdown(self):
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|         tc = self._trigger_completion
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|         if tc is not None:
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|             self._trigger_completion = None
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|             tc.complete(False)
 | |
|     def _handle_trsync_state(self, params):
 | |
|         if not params['can_trigger']:
 | |
|             tc = self._trigger_completion
 | |
|             if tc is not None:
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|                 self._trigger_completion = None
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|                 reason = params['trigger_reason']
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|                 is_failure = (reason >= self.REASON_COMMS_TIMEOUT)
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|                 self._reactor.async_complete(tc, is_failure)
 | |
|         elif self._home_end_clock is not None:
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|             clock = self._mcu.clock32_to_clock64(params['clock'])
 | |
|             if clock >= self._home_end_clock:
 | |
|                 self._home_end_clock = None
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|                 self._trsync_trigger_cmd.send([self._oid,
 | |
|                                                self.REASON_PAST_END_TIME])
 | |
|     def start(self, print_time, report_offset,
 | |
|               trigger_completion, expire_timeout):
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|         self._trigger_completion = trigger_completion
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|         self._home_end_clock = None
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|         clock = self._mcu.print_time_to_clock(print_time)
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|         expire_ticks = self._mcu.seconds_to_clock(expire_timeout)
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|         expire_clock = clock + expire_ticks
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|         report_ticks = self._mcu.seconds_to_clock(expire_timeout * .3)
 | |
|         report_clock = clock + int(report_ticks * report_offset + .5)
 | |
|         min_extend_ticks = int(report_ticks * .8 + .5)
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|         ffi_main, ffi_lib = chelper.get_ffi()
 | |
|         ffi_lib.trdispatch_mcu_setup(self._trdispatch_mcu, clock, expire_clock,
 | |
|                                      expire_ticks, min_extend_ticks)
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|         self._mcu.register_response(self._handle_trsync_state,
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|                                     "trsync_state", self._oid)
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|         self._trsync_start_cmd.send([self._oid, report_clock, report_ticks,
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|                                      self.REASON_COMMS_TIMEOUT],
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|                                     reqclock=report_clock)
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|         for s in self._steppers:
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|             self._stepper_stop_cmd.send([s.get_oid(), self._oid])
 | |
|         self._trsync_set_timeout_cmd.send([self._oid, expire_clock],
 | |
|                                           reqclock=expire_clock)
 | |
|     def set_home_end_time(self, home_end_time):
 | |
|         self._home_end_clock = self._mcu.print_time_to_clock(home_end_time)
 | |
|     def stop(self):
 | |
|         self._mcu.register_response(None, "trsync_state", self._oid)
 | |
|         self._trigger_completion = None
 | |
|         if self._mcu.is_fileoutput():
 | |
|             return self.REASON_ENDSTOP_HIT
 | |
|         params = self._trsync_query_cmd.send([self._oid,
 | |
|                                               self.REASON_HOST_REQUEST])
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|         for s in self._steppers:
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|             s.note_homing_end()
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|         return params['trigger_reason']
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| 
 | |
| TRSYNC_TIMEOUT = 0.025
 | |
| TRSYNC_SINGLE_MCU_TIMEOUT = 0.250
 | |
| 
 | |
| class TriggerDispatch:
 | |
|     def __init__(self, mcu):
 | |
|         self._mcu = mcu
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|         self._trigger_completion = None
 | |
|         ffi_main, ffi_lib = chelper.get_ffi()
 | |
|         self._trdispatch = ffi_main.gc(ffi_lib.trdispatch_alloc(), ffi_lib.free)
 | |
|         self._trsyncs = [MCU_trsync(mcu, self._trdispatch)]
 | |
|     def get_oid(self):
 | |
|         return self._trsyncs[0].get_oid()
 | |
|     def get_command_queue(self):
 | |
|         return self._trsyncs[0].get_command_queue()
 | |
|     def add_stepper(self, stepper):
 | |
|         trsyncs = {trsync.get_mcu(): trsync for trsync in self._trsyncs}
 | |
|         trsync = trsyncs.get(stepper.get_mcu())
 | |
|         if trsync is None:
 | |
|             trsync = MCU_trsync(stepper.get_mcu(), self._trdispatch)
 | |
|             self._trsyncs.append(trsync)
 | |
|         trsync.add_stepper(stepper)
 | |
|         # Check for unsupported multi-mcu shared stepper rails
 | |
|         sname = stepper.get_name()
 | |
|         if sname.startswith('stepper_'):
 | |
|             for ot in self._trsyncs:
 | |
|                 for s in ot.get_steppers():
 | |
|                     if ot is not trsync and s.get_name().startswith(sname[:9]):
 | |
|                         cerror = self._mcu.get_printer().config_error
 | |
|                         raise cerror("Multi-mcu homing not supported on"
 | |
|                                      " multi-mcu shared axis")
 | |
|     def get_steppers(self):
 | |
|         return [s for trsync in self._trsyncs for s in trsync.get_steppers()]
 | |
|     def start(self, print_time):
 | |
|         reactor = self._mcu.get_printer().get_reactor()
 | |
|         self._trigger_completion = reactor.completion()
 | |
|         expire_timeout = TRSYNC_TIMEOUT
 | |
|         if len(self._trsyncs) == 1:
 | |
|             expire_timeout = TRSYNC_SINGLE_MCU_TIMEOUT
 | |
|         for i, trsync in enumerate(self._trsyncs):
 | |
|             report_offset = float(i) / len(self._trsyncs)
 | |
|             trsync.start(print_time, report_offset,
 | |
|                          self._trigger_completion, expire_timeout)
 | |
|         etrsync = self._trsyncs[0]
 | |
|         ffi_main, ffi_lib = chelper.get_ffi()
 | |
|         ffi_lib.trdispatch_start(self._trdispatch, etrsync.REASON_HOST_REQUEST)
 | |
|         return self._trigger_completion
 | |
|     def wait_end(self, end_time):
 | |
|         etrsync = self._trsyncs[0]
 | |
|         etrsync.set_home_end_time(end_time)
 | |
|         if self._mcu.is_fileoutput():
 | |
|             self._trigger_completion.complete(True)
 | |
|         self._trigger_completion.wait()
 | |
|     def stop(self):
 | |
|         ffi_main, ffi_lib = chelper.get_ffi()
 | |
|         ffi_lib.trdispatch_stop(self._trdispatch)
 | |
|         res = [trsync.stop() for trsync in self._trsyncs]
 | |
|         err_res = [r for r in res if r >= MCU_trsync.REASON_COMMS_TIMEOUT]
 | |
|         if err_res:
 | |
|             return err_res[0]
 | |
|         return res[0]
 | |
| 
 | |
| class MCU_endstop:
 | |
|     def __init__(self, mcu, pin_params):
 | |
|         self._mcu = mcu
 | |
|         self._pin = pin_params['pin']
 | |
|         self._pullup = pin_params['pullup']
 | |
|         self._invert = pin_params['invert']
 | |
|         self._oid = self._mcu.create_oid()
 | |
|         self._home_cmd = self._query_cmd = None
 | |
|         self._mcu.register_config_callback(self._build_config)
 | |
|         self._rest_ticks = 0
 | |
|         self._dispatch = TriggerDispatch(mcu)
 | |
|     def get_mcu(self):
 | |
|         return self._mcu
 | |
|     def add_stepper(self, stepper):
 | |
|         self._dispatch.add_stepper(stepper)
 | |
|     def get_steppers(self):
 | |
|         return self._dispatch.get_steppers()
 | |
|     def _build_config(self):
 | |
|         # Setup config
 | |
|         self._mcu.add_config_cmd("config_endstop oid=%d pin=%s pull_up=%d"
 | |
|                                  % (self._oid, self._pin, self._pullup))
 | |
|         self._mcu.add_config_cmd(
 | |
|             "endstop_home oid=%d clock=0 sample_ticks=0 sample_count=0"
 | |
|             " rest_ticks=0 pin_value=0 trsync_oid=0 trigger_reason=0"
 | |
|             % (self._oid,), on_restart=True)
 | |
|         # Lookup commands
 | |
|         cmd_queue = self._dispatch.get_command_queue()
 | |
|         self._home_cmd = self._mcu.lookup_command(
 | |
|             "endstop_home oid=%c clock=%u sample_ticks=%u sample_count=%c"
 | |
|             " rest_ticks=%u pin_value=%c trsync_oid=%c trigger_reason=%c",
 | |
|             cq=cmd_queue)
 | |
|         self._query_cmd = self._mcu.lookup_query_command(
 | |
|             "endstop_query_state oid=%c",
 | |
|             "endstop_state oid=%c homing=%c next_clock=%u pin_value=%c",
 | |
|             oid=self._oid, cq=cmd_queue)
 | |
|     def home_start(self, print_time, sample_time, sample_count, rest_time,
 | |
|                    triggered=True):
 | |
|         clock = self._mcu.print_time_to_clock(print_time)
 | |
|         rest_ticks = self._mcu.print_time_to_clock(print_time+rest_time) - clock
 | |
|         self._rest_ticks = rest_ticks
 | |
|         trigger_completion = self._dispatch.start(print_time)
 | |
|         self._home_cmd.send(
 | |
|             [self._oid, clock, self._mcu.seconds_to_clock(sample_time),
 | |
|              sample_count, rest_ticks, triggered ^ self._invert,
 | |
|              self._dispatch.get_oid(), MCU_trsync.REASON_ENDSTOP_HIT],
 | |
|             reqclock=clock)
 | |
|         return trigger_completion
 | |
|     def home_wait(self, home_end_time):
 | |
|         self._dispatch.wait_end(home_end_time)
 | |
|         self._home_cmd.send([self._oid, 0, 0, 0, 0, 0, 0, 0])
 | |
|         res = self._dispatch.stop()
 | |
|         if res >= MCU_trsync.REASON_COMMS_TIMEOUT:
 | |
|             cmderr = self._mcu.get_printer().command_error
 | |
|             raise cmderr("Communication timeout during homing")
 | |
|         if res != MCU_trsync.REASON_ENDSTOP_HIT:
 | |
|             return 0.
 | |
|         if self._mcu.is_fileoutput():
 | |
|             return home_end_time
 | |
|         params = self._query_cmd.send([self._oid])
 | |
|         next_clock = self._mcu.clock32_to_clock64(params['next_clock'])
 | |
|         return self._mcu.clock_to_print_time(next_clock - self._rest_ticks)
 | |
|     def query_endstop(self, print_time):
 | |
|         clock = self._mcu.print_time_to_clock(print_time)
 | |
|         if self._mcu.is_fileoutput():
 | |
|             return 0
 | |
|         params = self._query_cmd.send([self._oid], minclock=clock)
 | |
|         return params['pin_value'] ^ self._invert
 | |
| 
 | |
| class MCU_digital_out:
 | |
|     def __init__(self, mcu, pin_params):
 | |
|         self._mcu = mcu
 | |
|         self._oid = None
 | |
|         self._mcu.register_config_callback(self._build_config)
 | |
|         self._pin = pin_params['pin']
 | |
|         self._invert = pin_params['invert']
 | |
|         self._start_value = self._shutdown_value = self._invert
 | |
|         self._max_duration = 2.
 | |
|         self._last_clock = 0
 | |
|         self._set_cmd = None
 | |
|     def get_mcu(self):
 | |
|         return self._mcu
 | |
|     def setup_max_duration(self, max_duration):
 | |
|         self._max_duration = max_duration
 | |
|     def setup_start_value(self, start_value, shutdown_value):
 | |
|         self._start_value = (not not start_value) ^ self._invert
 | |
|         self._shutdown_value = (not not shutdown_value) ^ self._invert
 | |
|     def _build_config(self):
 | |
|         if self._max_duration and self._start_value != self._shutdown_value:
 | |
|             raise pins.error("Pin with max duration must have start"
 | |
|                              " value equal to shutdown value")
 | |
|         mdur_ticks = self._mcu.seconds_to_clock(self._max_duration)
 | |
|         if mdur_ticks >= 1<<31:
 | |
|             raise pins.error("Digital pin max duration too large")
 | |
|         self._mcu.request_move_queue_slot()
 | |
|         self._oid = self._mcu.create_oid()
 | |
|         self._mcu.add_config_cmd(
 | |
|             "config_digital_out oid=%d pin=%s value=%d default_value=%d"
 | |
|             " max_duration=%d" % (self._oid, self._pin, self._start_value,
 | |
|                                   self._shutdown_value, mdur_ticks))
 | |
|         self._mcu.add_config_cmd("update_digital_out oid=%d value=%d"
 | |
|                                  % (self._oid, self._start_value),
 | |
|                                  on_restart=True)
 | |
|         cmd_queue = self._mcu.alloc_command_queue()
 | |
|         self._set_cmd = self._mcu.lookup_command(
 | |
|             "queue_digital_out oid=%c clock=%u on_ticks=%u", cq=cmd_queue)
 | |
|     def set_digital(self, print_time, value):
 | |
|         clock = self._mcu.print_time_to_clock(print_time)
 | |
|         self._set_cmd.send([self._oid, clock, (not not value) ^ self._invert],
 | |
|                            minclock=self._last_clock, reqclock=clock)
 | |
|         self._last_clock = clock
 | |
| 
 | |
| class MCU_pwm:
 | |
|     def __init__(self, mcu, pin_params):
 | |
|         self._mcu = mcu
 | |
|         self._hardware_pwm = False
 | |
|         self._cycle_time = 0.100
 | |
|         self._max_duration = 2.
 | |
|         self._oid = None
 | |
|         self._mcu.register_config_callback(self._build_config)
 | |
|         self._pin = pin_params['pin']
 | |
|         self._invert = pin_params['invert']
 | |
|         self._start_value = self._shutdown_value = float(self._invert)
 | |
|         self._last_clock = 0
 | |
|         self._pwm_max = 0.
 | |
|         self._set_cmd = None
 | |
|     def get_mcu(self):
 | |
|         return self._mcu
 | |
|     def setup_max_duration(self, max_duration):
 | |
|         self._max_duration = max_duration
 | |
|     def setup_cycle_time(self, cycle_time, hardware_pwm=False):
 | |
|         self._cycle_time = cycle_time
 | |
|         self._hardware_pwm = hardware_pwm
 | |
|     def setup_start_value(self, start_value, shutdown_value):
 | |
|         if self._invert:
 | |
|             start_value = 1. - start_value
 | |
|             shutdown_value = 1. - shutdown_value
 | |
|         self._start_value = max(0., min(1., start_value))
 | |
|         self._shutdown_value = max(0., min(1., shutdown_value))
 | |
|     def _build_config(self):
 | |
|         if self._max_duration and self._start_value != self._shutdown_value:
 | |
|             raise pins.error("Pin with max duration must have start"
 | |
|                              " value equal to shutdown value")
 | |
|         cmd_queue = self._mcu.alloc_command_queue()
 | |
|         curtime = self._mcu.get_printer().get_reactor().monotonic()
 | |
|         printtime = self._mcu.estimated_print_time(curtime)
 | |
|         self._last_clock = self._mcu.print_time_to_clock(printtime + 0.200)
 | |
|         cycle_ticks = self._mcu.seconds_to_clock(self._cycle_time)
 | |
|         mdur_ticks = self._mcu.seconds_to_clock(self._max_duration)
 | |
|         if mdur_ticks >= 1<<31:
 | |
|             raise pins.error("PWM pin max duration too large")
 | |
|         if self._hardware_pwm:
 | |
|             self._pwm_max = self._mcu.get_constant_float("PWM_MAX")
 | |
|             self._mcu.request_move_queue_slot()
 | |
|             self._oid = self._mcu.create_oid()
 | |
|             self._mcu.add_config_cmd(
 | |
|                 "config_pwm_out oid=%d pin=%s cycle_ticks=%d value=%d"
 | |
|                 " default_value=%d max_duration=%d"
 | |
|                 % (self._oid, self._pin, cycle_ticks,
 | |
|                    self._start_value * self._pwm_max,
 | |
|                    self._shutdown_value * self._pwm_max, mdur_ticks))
 | |
|             svalue = int(self._start_value * self._pwm_max + 0.5)
 | |
|             self._mcu.add_config_cmd("queue_pwm_out oid=%d clock=%d value=%d"
 | |
|                                      % (self._oid, self._last_clock, svalue),
 | |
|                                      on_restart=True)
 | |
|             self._set_cmd = self._mcu.lookup_command(
 | |
|                 "queue_pwm_out oid=%c clock=%u value=%hu", cq=cmd_queue)
 | |
|             return
 | |
|         # Software PWM
 | |
|         if self._shutdown_value not in [0., 1.]:
 | |
|             raise pins.error("shutdown value must be 0.0 or 1.0 on soft pwm")
 | |
|         if cycle_ticks >= 1<<31:
 | |
|             raise pins.error("PWM pin cycle time too large")
 | |
|         self._mcu.request_move_queue_slot()
 | |
|         self._oid = self._mcu.create_oid()
 | |
|         self._mcu.add_config_cmd(
 | |
|             "config_digital_out oid=%d pin=%s value=%d"
 | |
|             " default_value=%d max_duration=%d"
 | |
|             % (self._oid, self._pin, self._start_value >= 1.0,
 | |
|                self._shutdown_value >= 0.5, mdur_ticks))
 | |
|         self._mcu.add_config_cmd(
 | |
|             "set_digital_out_pwm_cycle oid=%d cycle_ticks=%d"
 | |
|             % (self._oid, cycle_ticks))
 | |
|         self._pwm_max = float(cycle_ticks)
 | |
|         svalue = int(self._start_value * cycle_ticks + 0.5)
 | |
|         self._mcu.add_config_cmd(
 | |
|             "queue_digital_out oid=%d clock=%d on_ticks=%d"
 | |
|             % (self._oid, self._last_clock, svalue), is_init=True)
 | |
|         self._set_cmd = self._mcu.lookup_command(
 | |
|             "queue_digital_out oid=%c clock=%u on_ticks=%u", cq=cmd_queue)
 | |
|     def set_pwm(self, print_time, value):
 | |
|         if self._invert:
 | |
|             value = 1. - value
 | |
|         v = int(max(0., min(1., value)) * self._pwm_max + 0.5)
 | |
|         clock = self._mcu.print_time_to_clock(print_time)
 | |
|         self._set_cmd.send([self._oid, clock, v],
 | |
|                            minclock=self._last_clock, reqclock=clock)
 | |
|         self._last_clock = clock
 | |
| 
 | |
| class MCU_adc:
 | |
|     def __init__(self, mcu, pin_params):
 | |
|         self._mcu = mcu
 | |
|         self._pin = pin_params['pin']
 | |
|         self._min_sample = self._max_sample = 0.
 | |
|         self._sample_time = self._report_time = 0.
 | |
|         self._sample_count = self._range_check_count = 0
 | |
|         self._report_clock = 0
 | |
|         self._last_state = (0., 0.)
 | |
|         self._oid = self._callback = None
 | |
|         self._mcu.register_config_callback(self._build_config)
 | |
|         self._inv_max_adc = 0.
 | |
|     def get_mcu(self):
 | |
|         return self._mcu
 | |
|     def setup_adc_sample(self, sample_time, sample_count,
 | |
|                          minval=0., maxval=1., range_check_count=0):
 | |
|         self._sample_time = sample_time
 | |
|         self._sample_count = sample_count
 | |
|         self._min_sample = minval
 | |
|         self._max_sample = maxval
 | |
|         self._range_check_count = range_check_count
 | |
|     def setup_adc_callback(self, report_time, callback):
 | |
|         self._report_time = report_time
 | |
|         self._callback = callback
 | |
|     def get_last_value(self):
 | |
|         return self._last_state
 | |
|     def _build_config(self):
 | |
|         if not self._sample_count:
 | |
|             return
 | |
|         self._oid = self._mcu.create_oid()
 | |
|         self._mcu.add_config_cmd("config_analog_in oid=%d pin=%s" % (
 | |
|             self._oid, self._pin))
 | |
|         clock = self._mcu.get_query_slot(self._oid)
 | |
|         sample_ticks = self._mcu.seconds_to_clock(self._sample_time)
 | |
|         mcu_adc_max = self._mcu.get_constant_float("ADC_MAX")
 | |
|         max_adc = self._sample_count * mcu_adc_max
 | |
|         self._inv_max_adc = 1.0 / max_adc
 | |
|         self._report_clock = self._mcu.seconds_to_clock(self._report_time)
 | |
|         min_sample = max(0, min(0xffff, int(self._min_sample * max_adc)))
 | |
|         max_sample = max(0, min(0xffff, int(
 | |
|             math.ceil(self._max_sample * max_adc))))
 | |
|         self._mcu.add_config_cmd(
 | |
|             "query_analog_in oid=%d clock=%d sample_ticks=%d sample_count=%d"
 | |
|             " rest_ticks=%d min_value=%d max_value=%d range_check_count=%d" % (
 | |
|                 self._oid, clock, sample_ticks, self._sample_count,
 | |
|                 self._report_clock, min_sample, max_sample,
 | |
|                 self._range_check_count), is_init=True)
 | |
|         self._mcu.register_response(self._handle_analog_in_state,
 | |
|                                     "analog_in_state", self._oid)
 | |
|     def _handle_analog_in_state(self, params):
 | |
|         last_value = params['value'] * self._inv_max_adc
 | |
|         next_clock = self._mcu.clock32_to_clock64(params['next_clock'])
 | |
|         last_read_clock = next_clock - self._report_clock
 | |
|         last_read_time = self._mcu.clock_to_print_time(last_read_clock)
 | |
|         self._last_state = (last_value, last_read_time)
 | |
|         if self._callback is not None:
 | |
|             self._callback(last_read_time, last_value)
 | |
| 
 | |
| 
 | |
| ######################################################################
 | |
| # Main MCU class (and its helper classes)
 | |
| ######################################################################
 | |
| 
 | |
| # Minimum time host needs to get scheduled events queued into mcu
 | |
| MIN_SCHEDULE_TIME = 0.100
 | |
| # Maximum time all MCUs can internally schedule into the future
 | |
| MAX_NOMINAL_DURATION = 3.0
 | |
| 
 | |
| # Support for restarting a micro-controller
 | |
| class MCURestartHelper:
 | |
|     def __init__(self, config, conn_helper):
 | |
|         self._printer = printer = config.get_printer()
 | |
|         self._conn_helper = conn_helper
 | |
|         self._mcu = mcu = conn_helper.get_mcu()
 | |
|         self._serial = conn_helper.get_serial()
 | |
|         self._clocksync = conn_helper.get_clocksync()
 | |
|         self._reactor = printer.get_reactor()
 | |
|         self._name = mcu.get_name()
 | |
|         # Restart tracking
 | |
|         restart_methods = [None, 'arduino', 'cheetah', 'command', 'rpi_usb']
 | |
|         self._restart_method = 'command'
 | |
|         serialport, baud = conn_helper.get_serialport()
 | |
|         if baud:
 | |
|             self._restart_method = config.getchoice('restart_method',
 | |
|                                                     restart_methods, None)
 | |
|         self._reset_cmd = self._config_reset_cmd = None
 | |
|         self._is_mcu_bridge = False
 | |
|         # Register handlers
 | |
|         printer.register_event_handler("klippy:firmware_restart",
 | |
|                                        self._firmware_restart)
 | |
|         printer.register_event_handler("klippy:disconnect", self._disconnect)
 | |
|         printer.register_event_handler("klippy:mcu_identify",
 | |
|                                        self._mcu_identify)
 | |
|     # Connection phase
 | |
|     def _check_restart(self, reason):
 | |
|         start_reason = self._printer.get_start_args().get("start_reason")
 | |
|         if start_reason == 'firmware_restart':
 | |
|             return
 | |
|         logging.info("Attempting automated MCU '%s' restart: %s",
 | |
|                      self._name, reason)
 | |
|         self._printer.request_exit('firmware_restart')
 | |
|         self._reactor.pause(self._reactor.monotonic() + 2.000)
 | |
|         raise error("Attempt MCU '%s' restart failed" % (self._name,))
 | |
|     def check_restart_on_crc_mismatch(self):
 | |
|         self._check_restart("CRC mismatch")
 | |
|     def check_restart_on_send_config(self):
 | |
|         if self._restart_method == 'rpi_usb':
 | |
|             # Only configure mcu after usb power reset
 | |
|             self._check_restart("full reset before config")
 | |
|     def check_restart_on_attach(self):
 | |
|         resmeth = self._restart_method
 | |
|         serialport, baud = self._conn_helper.get_serialport()
 | |
|         if resmeth == 'rpi_usb' and not os.path.exists(serialport):
 | |
|             # Try toggling usb power
 | |
|             self._check_restart("enable power")
 | |
|     def lookup_attach_uart_rts(self):
 | |
|         # Cheetah boards require RTS to be deasserted
 | |
|         # else a reset will trigger the built-in bootloader.
 | |
|         return (self._restart_method != "cheetah")
 | |
|     def _mcu_identify(self):
 | |
|         self._reset_cmd = self._mcu.try_lookup_command("reset")
 | |
|         self._config_reset_cmd = self._mcu.try_lookup_command("config_reset")
 | |
|         ext_only = self._reset_cmd is None and self._config_reset_cmd is None
 | |
|         msgparser = self._serial.get_msgparser()
 | |
|         mbaud = msgparser.get_constant('SERIAL_BAUD', None)
 | |
|         if self._restart_method is None and mbaud is None and not ext_only:
 | |
|             self._restart_method = 'command'
 | |
|         if msgparser.get_constant('CANBUS_BRIDGE', 0):
 | |
|             self._is_mcu_bridge = True
 | |
|             self._printer.register_event_handler("klippy:firmware_restart",
 | |
|                                                  self._firmware_restart_bridge)
 | |
|     def _disconnect(self):
 | |
|         self._serial.disconnect()
 | |
|     def _restart_arduino(self):
 | |
|         logging.info("Attempting MCU '%s' reset", self._name)
 | |
|         self._disconnect()
 | |
|         serialport, baud = self._conn_helper.get_serialport()
 | |
|         serialhdl.arduino_reset(serialport, self._reactor)
 | |
|     def _restart_cheetah(self):
 | |
|         logging.info("Attempting MCU '%s' Cheetah-style reset", self._name)
 | |
|         self._disconnect()
 | |
|         serialport, baud = self._conn_helper.get_serialport()
 | |
|         serialhdl.cheetah_reset(serialport, self._reactor)
 | |
|     def _restart_via_command(self):
 | |
|         if ((self._reset_cmd is None and self._config_reset_cmd is None)
 | |
|             or not self._clocksync.is_active()):
 | |
|             logging.info("Unable to issue reset command on MCU '%s'",
 | |
|                          self._name)
 | |
|             return
 | |
|         if self._reset_cmd is None:
 | |
|             # Attempt reset via config_reset command
 | |
|             logging.info("Attempting MCU '%s' config_reset command", self._name)
 | |
|             self._conn_helper.force_local_shutdown()
 | |
|             self._reactor.pause(self._reactor.monotonic() + 0.015)
 | |
|             self._config_reset_cmd.send()
 | |
|         else:
 | |
|             # Attempt reset via reset command
 | |
|             logging.info("Attempting MCU '%s' reset command", self._name)
 | |
|             self._reset_cmd.send()
 | |
|         self._reactor.pause(self._reactor.monotonic() + 0.015)
 | |
|         self._disconnect()
 | |
|     def _restart_rpi_usb(self):
 | |
|         logging.info("Attempting MCU '%s' reset via rpi usb power", self._name)
 | |
|         self._disconnect()
 | |
|         chelper.run_hub_ctrl(0)
 | |
|         self._reactor.pause(self._reactor.monotonic() + 2.)
 | |
|         chelper.run_hub_ctrl(1)
 | |
|     def _firmware_restart(self, force=False):
 | |
|         if self._is_mcu_bridge and not force:
 | |
|             return
 | |
|         if self._restart_method == 'rpi_usb':
 | |
|             self._restart_rpi_usb()
 | |
|         elif self._restart_method == 'command':
 | |
|             self._restart_via_command()
 | |
|         elif self._restart_method == 'cheetah':
 | |
|             self._restart_cheetah()
 | |
|         else:
 | |
|             self._restart_arduino()
 | |
|     def _firmware_restart_bridge(self):
 | |
|         self._firmware_restart(True)
 | |
| 
 | |
| # Low-level mcu connection management helper
 | |
| class MCUConnectHelper:
 | |
|     def __init__(self, config, mcu, clocksync):
 | |
|         self._mcu = mcu
 | |
|         self._clocksync = clocksync
 | |
|         self._printer = printer = config.get_printer()
 | |
|         self._reactor = printer.get_reactor()
 | |
|         self._name = name = mcu.get_name()
 | |
|         # Serial port
 | |
|         self._serial = serialhdl.SerialReader(self._reactor, mcu_name=name)
 | |
|         self._baud = 0
 | |
|         self._canbus_iface = None
 | |
|         canbus_uuid = config.get('canbus_uuid', None)
 | |
|         if canbus_uuid is not None:
 | |
|             self._serialport = canbus_uuid
 | |
|             self._canbus_iface = config.get('canbus_interface', 'can0')
 | |
|             cbid = self._printer.load_object(config, 'canbus_ids')
 | |
|             cbid.add_uuid(config, canbus_uuid, self._canbus_iface)
 | |
|             self._printer.load_object(config, 'canbus_stats %s' % (name,))
 | |
|         else:
 | |
|             self._serialport = config.get('serial')
 | |
|             if not (self._serialport.startswith("/dev/rpmsg_")
 | |
|                     or self._serialport.startswith("/tmp/klipper_host_")):
 | |
|                 self._baud = config.getint('baud', 250000, minval=2400)
 | |
|         # Shutdown tracking
 | |
|         self._emergency_stop_cmd = None
 | |
|         self._is_shutdown = self._is_timeout = False
 | |
|         self._shutdown_clock = 0
 | |
|         self._shutdown_msg = ""
 | |
|         # Register handlers
 | |
|         printer.register_event_handler("klippy:mcu_identify",
 | |
|                                        self._mcu_identify)
 | |
|         self._restart_helper = MCURestartHelper(config, self)
 | |
|         printer.register_event_handler("klippy:shutdown", self._shutdown)
 | |
|     def get_mcu(self):
 | |
|         return self._mcu
 | |
|     def get_serial(self):
 | |
|         return self._serial
 | |
|     def get_clocksync(self):
 | |
|         return self._clocksync
 | |
|     def get_serialport(self):
 | |
|         return self._serialport, self._baud
 | |
|     def get_restart_helper(self):
 | |
|         return self._restart_helper
 | |
|     def _handle_shutdown(self, params):
 | |
|         if self._is_shutdown:
 | |
|             return
 | |
|         self._is_shutdown = True
 | |
|         clock = params.get("clock")
 | |
|         if clock is not None:
 | |
|             self._shutdown_clock = self._mcu.clock32_to_clock64(clock)
 | |
|         self._shutdown_msg = msg = params['static_string_id']
 | |
|         event_type = params['#name']
 | |
|         self._printer.invoke_async_shutdown(
 | |
|             "MCU shutdown", {"reason": msg, "mcu": self._name,
 | |
|                              "event_type": event_type})
 | |
|         logging.info("MCU '%s' %s: %s\n%s\n%s", self._name, event_type,
 | |
|                      self._shutdown_msg, self._clocksync.dump_debug(),
 | |
|                      self._serial.dump_debug())
 | |
|     def _handle_starting(self, params):
 | |
|         if not self._is_shutdown:
 | |
|             self._printer.invoke_async_shutdown("MCU '%s' spontaneous restart"
 | |
|                                                 % (self._name,))
 | |
|     def log_info(self):
 | |
|         msgparser = self._serial.get_msgparser()
 | |
|         message_count = len(msgparser.get_messages())
 | |
|         version, build_versions = msgparser.get_version_info()
 | |
|         log_info = [
 | |
|             "Loaded MCU '%s' %d commands (%s / %s)"
 | |
|             % (self._name, message_count, version, build_versions),
 | |
|             "MCU '%s' config: %s" % (self._name, " ".join(
 | |
|                 ["%s=%s" % (k, v)
 | |
|                  for k, v in msgparser.get_constants().items()]))]
 | |
|         return "\n".join(log_info)
 | |
|     def _attach_file(self):
 | |
|         # In a debugging mode.  Open debug output file and read data dictionary
 | |
|         start_args = self._printer.get_start_args()
 | |
|         if self._name == 'mcu':
 | |
|             out_fname = start_args.get('debugoutput')
 | |
|             dict_fname = start_args.get('dictionary')
 | |
|         else:
 | |
|             out_fname = start_args.get('debugoutput') + "-" + self._name
 | |
|             dict_fname = start_args.get('dictionary_' + self._name)
 | |
|         outfile = open(out_fname, 'wb')
 | |
|         dfile = open(dict_fname, 'rb')
 | |
|         dict_data = dfile.read()
 | |
|         dfile.close()
 | |
|         self._serial.connect_file(outfile, dict_data)
 | |
|         self._clocksync.connect_file(self._serial)
 | |
|     def _attach(self):
 | |
|         self._restart_helper.check_restart_on_attach()
 | |
|         try:
 | |
|             if self._canbus_iface is not None:
 | |
|                 cbid = self._printer.lookup_object('canbus_ids')
 | |
|                 nodeid = cbid.get_nodeid(self._serialport)
 | |
|                 self._serial.connect_canbus(self._serialport, nodeid,
 | |
|                                             self._canbus_iface)
 | |
|             elif self._baud:
 | |
|                 rts = self._restart_helper.lookup_attach_uart_rts()
 | |
|                 self._serial.connect_uart(self._serialport, self._baud, rts)
 | |
|             else:
 | |
|                 self._serial.connect_pipe(self._serialport)
 | |
|             self._clocksync.connect(self._serial)
 | |
|         except serialhdl.error as e:
 | |
|             raise error(str(e))
 | |
|     def _mcu_identify(self):
 | |
|         if self._mcu.is_fileoutput():
 | |
|             self._attach_file()
 | |
|         else:
 | |
|             self._attach()
 | |
|         logging.info(self.log_info())
 | |
|         # Setup shutdown handling
 | |
|         self._emergency_stop_cmd = self._mcu.lookup_command("emergency_stop")
 | |
|         self._mcu.register_response(self._handle_shutdown, 'shutdown')
 | |
|         self._mcu.register_response(self._handle_shutdown, 'is_shutdown')
 | |
|         self._mcu.register_response(self._handle_starting, 'starting')
 | |
|     def _shutdown(self, force=False):
 | |
|         if (self._emergency_stop_cmd is None
 | |
|             or (self._is_shutdown and not force)):
 | |
|             return
 | |
|         self._emergency_stop_cmd.send()
 | |
|     def force_local_shutdown(self):
 | |
|         self._is_shutdown = True
 | |
|         self._shutdown(force=True)
 | |
|     def check_timeout(self, eventtime):
 | |
|         if (self._clocksync.is_active() or self._mcu.is_fileoutput()
 | |
|             or self._is_timeout):
 | |
|             return
 | |
|         self._is_timeout = True
 | |
|         logging.info("Timeout with MCU '%s' (eventtime=%f)",
 | |
|                      self._name, eventtime)
 | |
|         self._printer.invoke_shutdown("Lost communication with MCU '%s'" % (
 | |
|             self._name,))
 | |
|     def is_shutdown(self):
 | |
|         return self._is_shutdown
 | |
|     def get_shutdown_clock(self):
 | |
|         return self._shutdown_clock
 | |
|     def get_shutdown_msg(self):
 | |
|         return self._shutdown_msg
 | |
| 
 | |
| # Handle statistics reporting
 | |
| class MCUStatsHelper:
 | |
|     def __init__(self, config, conn_helper):
 | |
|         self._printer = printer = config.get_printer()
 | |
|         self._mcu = mcu = conn_helper.get_mcu()
 | |
|         self._serial = conn_helper.get_serial()
 | |
|         self._clocksync = conn_helper.get_clocksync()
 | |
|         self._reactor = printer.get_reactor()
 | |
|         self._name = mcu.get_name()
 | |
|         # Statistics tracking
 | |
|         self._mcu_freq = 0.
 | |
|         self._get_status_info = {}
 | |
|         self._stats_sumsq_base = 0.
 | |
|         self._mcu_tick_avg = 0.
 | |
|         self._mcu_tick_stddev = 0.
 | |
|         self._mcu_tick_awake = 0.
 | |
|         # Register handlers
 | |
|         printer.register_event_handler("klippy:ready", self._ready)
 | |
|         printer.register_event_handler("klippy:mcu_identify",
 | |
|                                        self._mcu_identify)
 | |
|     def _handle_mcu_stats(self, params):
 | |
|         count = params['count']
 | |
|         tick_sum = params['sum']
 | |
|         c = 1.0 / (count * self._mcu_freq)
 | |
|         self._mcu_tick_avg = tick_sum * c
 | |
|         tick_sumsq = params['sumsq'] * self._stats_sumsq_base
 | |
|         diff = count*tick_sumsq - tick_sum**2
 | |
|         self._mcu_tick_stddev = c * math.sqrt(max(0., diff))
 | |
|         self._mcu_tick_awake = tick_sum / self._mcu_freq
 | |
|     def _mcu_identify(self):
 | |
|         self._mcu_freq = self._mcu.get_constant_float('CLOCK_FREQ')
 | |
|         self._stats_sumsq_base = self._mcu.get_constant_float(
 | |
|             'STATS_SUMSQ_BASE')
 | |
|         msgparser = self._serial.get_msgparser()
 | |
|         version, build_versions = msgparser.get_version_info()
 | |
|         self._get_status_info['mcu_version'] = version
 | |
|         self._get_status_info['mcu_build_versions'] = build_versions
 | |
|         self._get_status_info['mcu_constants'] = msgparser.get_constants()
 | |
|         self._mcu.register_response(self._handle_mcu_stats, 'stats')
 | |
|     def _ready(self):
 | |
|         if self._mcu.is_fileoutput():
 | |
|             return
 | |
|         # Check that reported mcu frequency is in range
 | |
|         mcu_freq = self._mcu_freq
 | |
|         systime = self._reactor.monotonic()
 | |
|         get_clock = self._clocksync.get_clock
 | |
|         calc_freq = get_clock(systime + 1) - get_clock(systime)
 | |
|         freq_diff = abs(mcu_freq - calc_freq)
 | |
|         mcu_freq_mhz = int(mcu_freq / 1000000. + 0.5)
 | |
|         calc_freq_mhz = int(calc_freq / 1000000. + 0.5)
 | |
|         if freq_diff > mcu_freq*0.01 and mcu_freq_mhz != calc_freq_mhz:
 | |
|             pconfig = self._printer.lookup_object('configfile')
 | |
|             msg = ("MCU '%s' configured for %dMhz but running at %dMhz!"
 | |
|                     % (self._name, mcu_freq_mhz, calc_freq_mhz))
 | |
|             pconfig.runtime_warning(msg)
 | |
|     def get_status(self, eventtime=None):
 | |
|         return dict(self._get_status_info)
 | |
|     def stats(self, eventtime):
 | |
|         load = "mcu_awake=%.03f mcu_task_avg=%.06f mcu_task_stddev=%.06f" % (
 | |
|             self._mcu_tick_awake, self._mcu_tick_avg, self._mcu_tick_stddev)
 | |
|         stats = ' '.join([load, self._serial.stats(eventtime),
 | |
|                           self._clocksync.stats(eventtime)])
 | |
|         parts = [s.split('=', 1) for s in stats.split()]
 | |
|         last_stats = {k:(float(v) if '.' in v else int(v)) for k, v in parts}
 | |
|         self._get_status_info['last_stats'] = last_stats
 | |
|         return False, '%s: %s' % (self._name, stats)
 | |
| 
 | |
| # Handle process of configuring an mcu
 | |
| class MCUConfigHelper:
 | |
|     def __init__(self, config, conn_helper):
 | |
|         self._printer = printer = config.get_printer()
 | |
|         self._conn_helper = conn_helper
 | |
|         self._mcu = mcu = conn_helper.get_mcu()
 | |
|         self._serial = conn_helper.get_serial()
 | |
|         self._clocksync = conn_helper.get_clocksync()
 | |
|         self._reactor = printer.get_reactor()
 | |
|         self._name = mcu.get_name()
 | |
|         # Configuration tracking
 | |
|         self._oid_count = 0
 | |
|         self._config_callbacks = []
 | |
|         self._config_cmds = []
 | |
|         self._restart_cmds = []
 | |
|         self._init_cmds = []
 | |
|         self._mcu_freq = 0.
 | |
|         self._reserved_move_slots = 0
 | |
|         # Register handlers
 | |
|         printer.lookup_object('pins').register_chip(self._name, mcu)
 | |
|         printer.register_event_handler("klippy:mcu_identify",
 | |
|                                        self._mcu_identify)
 | |
|         printer.register_event_handler("klippy:connect", self._connect)
 | |
|     def _send_config(self, prev_crc):
 | |
|         # Build config commands
 | |
|         for cb in self._config_callbacks:
 | |
|             cb()
 | |
|         self._config_cmds.insert(0, "allocate_oids count=%d"
 | |
|                                  % (self._oid_count,))
 | |
|         # Resolve pin names
 | |
|         ppins = self._printer.lookup_object('pins')
 | |
|         pin_resolver = ppins.get_pin_resolver(self._name)
 | |
|         for cmdlist in (self._config_cmds, self._restart_cmds, self._init_cmds):
 | |
|             for i, cmd in enumerate(cmdlist):
 | |
|                 cmdlist[i] = pin_resolver.update_command(cmd)
 | |
|         # Calculate config CRC
 | |
|         encoded_config = '\n'.join(self._config_cmds).encode()
 | |
|         config_crc = zlib.crc32(encoded_config) & 0xffffffff
 | |
|         self.add_config_cmd("finalize_config crc=%d" % (config_crc,))
 | |
|         if prev_crc is not None and config_crc != prev_crc:
 | |
|             restart_helper = self._conn_helper.get_restart_helper()
 | |
|             restart_helper.check_restart_on_crc_mismatch()
 | |
|             raise error("MCU '%s' CRC does not match config" % (self._name,))
 | |
|         # Transmit config messages (if needed)
 | |
|         try:
 | |
|             if prev_crc is None:
 | |
|                 logging.info("Sending MCU '%s' printer configuration...",
 | |
|                              self._name)
 | |
|                 for c in self._config_cmds:
 | |
|                     self._serial.send(c)
 | |
|             else:
 | |
|                 for c in self._restart_cmds:
 | |
|                     self._serial.send(c)
 | |
|             # Transmit init messages
 | |
|             for c in self._init_cmds:
 | |
|                 self._serial.send(c)
 | |
|         except msgproto.enumeration_error as e:
 | |
|             enum_name, enum_value = e.get_enum_params()
 | |
|             if enum_name == 'pin':
 | |
|                 # Raise pin name errors as a config error (not a protocol error)
 | |
|                 raise self._printer.config_error(
 | |
|                     "Pin '%s' is not a valid pin name on mcu '%s'"
 | |
|                     % (enum_value, self._name))
 | |
|             raise
 | |
|     def _send_get_config(self):
 | |
|         get_config_cmd = self._mcu.lookup_query_command(
 | |
|             "get_config",
 | |
|             "config is_config=%c crc=%u is_shutdown=%c move_count=%hu")
 | |
|         if self._mcu.is_fileoutput():
 | |
|             return { 'is_config': 0, 'move_count': 500, 'crc': 0 }
 | |
|         config_params = get_config_cmd.send()
 | |
|         if self._conn_helper.is_shutdown():
 | |
|             raise error("MCU '%s' error during config: %s" % (
 | |
|                 self._name, self._conn_helper.get_shutdown_msg()))
 | |
|         if config_params['is_shutdown']:
 | |
|             raise error("Can not update MCU '%s' config as it is shutdown" % (
 | |
|                 self._name,))
 | |
|         return config_params
 | |
|     def _connect(self):
 | |
|         config_params = self._send_get_config()
 | |
|         if not config_params['is_config']:
 | |
|             restart_helper = self._conn_helper.get_restart_helper()
 | |
|             restart_helper.check_restart_on_send_config()
 | |
|             # Not configured - send config and issue get_config again
 | |
|             self._send_config(None)
 | |
|             config_params = self._send_get_config()
 | |
|             if not config_params['is_config'] and not self._mcu.is_fileoutput():
 | |
|                 raise error("Unable to configure MCU '%s'" % (self._name,))
 | |
|         else:
 | |
|             start_reason = self._printer.get_start_args().get("start_reason")
 | |
|             if start_reason == 'firmware_restart':
 | |
|                 raise error("Failed automated reset of MCU '%s'"
 | |
|                             % (self._name,))
 | |
|             # Already configured - send init commands
 | |
|             self._send_config(config_params['crc'])
 | |
|         # Setup steppersync with the move_count returned by get_config
 | |
|         move_count = config_params['move_count']
 | |
|         if move_count < self._reserved_move_slots:
 | |
|             raise error("Too few moves available on MCU '%s'" % (self._name,))
 | |
|         ss_move_count = move_count - self._reserved_move_slots
 | |
|         motion_queuing = self._printer.lookup_object('motion_queuing')
 | |
|         motion_queuing.setup_mcu_movequeue(
 | |
|             self._mcu, self._serial.get_serialqueue(), ss_move_count)
 | |
|         # Log config information
 | |
|         move_msg = "Configured MCU '%s' (%d moves)" % (self._name, move_count)
 | |
|         logging.info(move_msg)
 | |
|         log_info = self._conn_helper.log_info() + "\n" + move_msg
 | |
|         self._printer.set_rollover_info(self._name, log_info, log=False)
 | |
|     def _mcu_identify(self):
 | |
|         self._mcu_freq = self._mcu.get_constant_float('CLOCK_FREQ')
 | |
|         ppins = self._printer.lookup_object('pins')
 | |
|         pin_resolver = ppins.get_pin_resolver(self._name)
 | |
|         for cname, value in self._mcu.get_constants().items():
 | |
|             if cname.startswith("RESERVE_PINS_"):
 | |
|                 for pin in value.split(','):
 | |
|                     pin_resolver.reserve_pin(pin, cname[13:])
 | |
|     # Config creation helpers
 | |
|     def setup_pin(self, pin_type, pin_params):
 | |
|         pcs = {'endstop': MCU_endstop,
 | |
|                'digital_out': MCU_digital_out, 'pwm': MCU_pwm, 'adc': MCU_adc}
 | |
|         if pin_type not in pcs:
 | |
|             raise pins.error("pin type %s not supported on mcu" % (pin_type,))
 | |
|         return pcs[pin_type](self._mcu, pin_params)
 | |
|     def create_oid(self):
 | |
|         self._oid_count += 1
 | |
|         return self._oid_count - 1
 | |
|     def register_config_callback(self, cb):
 | |
|         self._config_callbacks.append(cb)
 | |
|     def add_config_cmd(self, cmd, is_init=False, on_restart=False):
 | |
|         if is_init:
 | |
|             self._init_cmds.append(cmd)
 | |
|         elif on_restart:
 | |
|             self._restart_cmds.append(cmd)
 | |
|         else:
 | |
|             self._config_cmds.append(cmd)
 | |
|     def get_query_slot(self, oid):
 | |
|         slot = self.seconds_to_clock(oid * .01)
 | |
|         t = int(self._mcu.estimated_print_time(self._reactor.monotonic()) + 1.5)
 | |
|         return self._mcu.print_time_to_clock(t) + slot
 | |
|     def seconds_to_clock(self, time):
 | |
|         return int(time * self._mcu_freq)
 | |
|     def request_move_queue_slot(self):
 | |
|         self._reserved_move_slots += 1
 | |
| 
 | |
| # Main MCU class
 | |
| class MCU:
 | |
|     error = error
 | |
|     def __init__(self, config, clocksync):
 | |
|         self._printer = printer = config.get_printer()
 | |
|         self._clocksync = clocksync
 | |
|         self._name = config.get_name()
 | |
|         if self._name.startswith('mcu '):
 | |
|             self._name = self._name[4:]
 | |
|         # Low-level connection and helpers
 | |
|         self._conn_helper = MCUConnectHelper(config, self, clocksync)
 | |
|         self._serial = self._conn_helper.get_serial()
 | |
|         self._config_helper = MCUConfigHelper(self, self._conn_helper)
 | |
|         self._stats_helper = MCUStatsHelper(self, self._conn_helper)
 | |
|         printer.load_object(config, "error_mcu")
 | |
|         # Alter time reporting when debugging
 | |
|         if self.is_fileoutput():
 | |
|             def dummy_estimated_print_time(eventtime):
 | |
|                 return 0.
 | |
|             self.estimated_print_time = dummy_estimated_print_time
 | |
|     def get_name(self):
 | |
|         return self._name
 | |
|     def get_printer(self):
 | |
|         return self._printer
 | |
|     def is_fileoutput(self):
 | |
|         return self._printer.get_start_args().get('debugoutput') is not None
 | |
|     # MCU Configuration wrappers
 | |
|     def setup_pin(self, pin_type, pin_params):
 | |
|         return self._config_helper.setup_pin(pin_type, pin_params)
 | |
|     def create_oid(self):
 | |
|         return self._config_helper.create_oid()
 | |
|     def register_config_callback(self, cb):
 | |
|         self._config_helper.register_config_callback(cb)
 | |
|     def add_config_cmd(self, cmd, is_init=False, on_restart=False):
 | |
|         self._config_helper.add_config_cmd(cmd, is_init, on_restart)
 | |
|     def request_move_queue_slot(self):
 | |
|         self._config_helper.request_move_queue_slot()
 | |
|     def get_query_slot(self, oid):
 | |
|         return self._config_helper.get_query_slot(oid)
 | |
|     def seconds_to_clock(self, time):
 | |
|         return self._config_helper.seconds_to_clock(time)
 | |
|     # Command Handler helpers
 | |
|     def min_schedule_time(self):
 | |
|         return MIN_SCHEDULE_TIME
 | |
|     def max_nominal_duration(self):
 | |
|         return MAX_NOMINAL_DURATION
 | |
|     def lookup_command(self, msgformat, cq=None):
 | |
|         return CommandWrapper(self._serial, msgformat, cq,
 | |
|                               debugoutput=self.is_fileoutput())
 | |
|     def lookup_query_command(self, msgformat, respformat, oid=None,
 | |
|                              cq=None, is_async=False):
 | |
|         return CommandQueryWrapper(self._serial, msgformat, respformat, oid,
 | |
|                                    cq, is_async, self._printer.command_error)
 | |
|     def try_lookup_command(self, msgformat):
 | |
|         try:
 | |
|             return self.lookup_command(msgformat)
 | |
|         except self._serial.get_msgparser().error as e:
 | |
|             return None
 | |
|     # SerialHdl wrappers
 | |
|     def register_response(self, cb, msg, oid=None):
 | |
|         self._serial.register_response(cb, msg, oid)
 | |
|     def alloc_command_queue(self):
 | |
|         return self._serial.alloc_command_queue()
 | |
|     # MsgParser wrappers
 | |
|     def get_enumerations(self):
 | |
|         return self._serial.get_msgparser().get_enumerations()
 | |
|     def get_constants(self):
 | |
|         return self._serial.get_msgparser().get_constants()
 | |
|     def get_constant_float(self, name):
 | |
|         return self._serial.get_msgparser().get_constant_float(name)
 | |
|     # ClockSync wrappers
 | |
|     def print_time_to_clock(self, print_time):
 | |
|         return self._clocksync.print_time_to_clock(print_time)
 | |
|     def clock_to_print_time(self, clock):
 | |
|         return self._clocksync.clock_to_print_time(clock)
 | |
|     def estimated_print_time(self, eventtime):
 | |
|         return self._clocksync.estimated_print_time(eventtime)
 | |
|     def clock32_to_clock64(self, clock32):
 | |
|         return self._clocksync.clock32_to_clock64(clock32)
 | |
|     def calibrate_clock(self, print_time, eventtime):
 | |
|         offset, freq = self._clocksync.calibrate_clock(print_time, eventtime)
 | |
|         self._conn_helper.check_timeout(eventtime)
 | |
|         return offset, freq
 | |
|     # Low-level connection wrappers
 | |
|     def is_shutdown(self):
 | |
|         return self._conn_helper.is_shutdown()
 | |
|     def get_shutdown_clock(self):
 | |
|         return self._conn_helper.get_shutdown_clock()
 | |
|     # Statistics wrappers
 | |
|     def get_status(self, eventtime=None):
 | |
|         return self._stats_helper.get_status(eventtime)
 | |
|     def stats(self, eventtime):
 | |
|         return self._stats_helper.stats(eventtime)
 | |
| 
 | |
| def add_printer_objects(config):
 | |
|     printer = config.get_printer()
 | |
|     reactor = printer.get_reactor()
 | |
|     mainsync = clocksync.ClockSync(reactor)
 | |
|     printer.add_object('mcu', MCU(config.getsection('mcu'), mainsync))
 | |
|     for s in config.get_prefix_sections('mcu '):
 | |
|         printer.add_object(s.section, MCU(
 | |
|             s, clocksync.SecondarySync(reactor, mainsync)))
 | |
| 
 | |
| def get_printer_mcu(printer, name):
 | |
|     if name == 'mcu':
 | |
|         return printer.lookup_object(name)
 | |
|     return printer.lookup_object('mcu ' + name)
 |