def __init__(self): """ Init """ logging.info("Redeem initializing " + version) printer = Printer() self.printer = printer # check for config files if not os.path.exists("/etc/redeem/default.cfg"): logging.error("/etc/redeem/default.cfg does not exist, this file is required for operation") sys.exit() # maybe use something more graceful? # Parse the config files. printer.config = CascadingConfigParser( ['/etc/redeem/default.cfg', '/etc/redeem/printer.cfg', '/etc/redeem/local.cfg']) # Find out which capes are connected self.printer.config.parse_capes() self.revision = self.printer.config.replicape_revision if self.revision: logging.info("Found Replicape rev. " + self.revision) Path.set_axes(5) else: logging.warning("Oh no! No Replicape present!") self.revision = "0A4A" # We set it to 5 axis by default Path.set_axes(5) if self.printer.config.reach_revision: Path.set_axes(8) logging.info("Found Reach rev. "+self.printer.config.reach_revision) # Get the revision and loglevel from the Config file level = self.printer.config.getint('System', 'loglevel') if level > 0: logging.getLogger().setLevel(level) if self.revision in ["00A4", "0A4A", "00A3"]: PWM.set_frequency(100) elif self.revision in ["00B1"]: PWM.set_frequency(1000) # Init the Paths Path.axis_config = printer.config.getint('Geometry', 'axis_config') # Init the end stops EndStop.callback = self.end_stop_hit EndStop.inputdev = self.printer.config.get("Endstops", "inputdev") for es in ["X1", "X2", "Y1", "Y2", "Z1", "Z2"]: pin = self.printer.config.get("Endstops", "pin_"+es) keycode = self.printer.config.getint("Endstops", "keycode_"+es) invert = self.printer.config.getboolean("Endstops", "invert_"+es) self.printer.end_stops[es] = EndStop(pin, keycode, es, invert) # Backwards compatibility with A3 if self.revision == "00A3": # Init the 5 Stepper motors (step, dir, fault, DAC channel, name) printer.steppers["X"] = Stepper_00A3("GPIO0_27", "GPIO1_29", "GPIO2_4" , 0, "X", 0, 0) printer.steppers["Y"] = Stepper_00A3("GPIO1_12", "GPIO0_22", "GPIO2_5" , 1, "Y", 1, 1) printer.steppers["Z"] = Stepper_00A3("GPIO0_23", "GPIO0_26", "GPIO0_15", 2, "Z", 2, 2) printer.steppers["E"] = Stepper_00A3("GPIO1_28", "GPIO1_15", "GPIO2_1" , 3, "E", 3, 3) printer.steppers["H"] = Stepper_00A3("GPIO1_13", "GPIO1_14", "GPIO2_3" , 4, "H", 4, 4) elif self.revision == "00B1": # Init the 5 Stepper motors (step, dir, fault, DAC channel, name) printer.steppers["X"] = Stepper_00B1("GPIO0_27", "GPIO1_29", "GPIO2_4" , 11, 0, "X", 0, 0) printer.steppers["Y"] = Stepper_00B1("GPIO1_12", "GPIO0_22", "GPIO2_5" , 12, 1, "Y", 1, 1) printer.steppers["Z"] = Stepper_00B1("GPIO0_23", "GPIO0_26", "GPIO0_15", 13, 2, "Z", 2, 2) printer.steppers["E"] = Stepper_00B1("GPIO1_28", "GPIO1_15", "GPIO2_1" , 14, 3, "E", 3, 3) printer.steppers["H"] = Stepper_00B1("GPIO1_13", "GPIO1_14", "GPIO2_3" , 15, 4, "H", 4, 4) else: # Init the 5 Stepper motors (step, dir, fault, DAC channel, name) printer.steppers["X"] = Stepper_00A4("GPIO0_27", "GPIO1_29", "GPIO2_4" , 0, 0, "X", 0, 0) printer.steppers["Y"] = Stepper_00A4("GPIO1_12", "GPIO0_22", "GPIO2_5" , 1, 1, "Y", 1, 1) printer.steppers["Z"] = Stepper_00A4("GPIO0_23", "GPIO0_26", "GPIO0_15", 2, 2, "Z", 2, 2) printer.steppers["E"] = Stepper_00A4("GPIO1_28", "GPIO1_15", "GPIO2_1" , 3, 3, "E", 3, 3) printer.steppers["H"] = Stepper_00A4("GPIO1_13", "GPIO1_14", "GPIO2_3" , 4, 4, "H", 4, 4) if printer.config.reach_revision: printer.steppers["A"] = Stepper_00A4("GPIO2_2" , "GPIO1_18", "GPIO0_14", 5, 5, "A", 5, 5) printer.steppers["B"] = Stepper_00A4("GPIO1_14", "GPIO0_5" , "GPIO0_14", 6, 6, "B", 6, 6) printer.steppers["C"] = Stepper_00A4("GPIO0_3" , "GPIO3_19", "GPIO0_14", 7, 7, "C", 7, 7) # Enable the steppers and set the current, steps pr mm and # microstepping for name, stepper in self.printer.steppers.iteritems(): stepper.in_use = printer.config.getboolean('Steppers', 'in_use_' + name) stepper.direction = printer.config.getint('Steppers', 'direction_' + name) stepper.has_endstop = printer.config.getboolean('Endstops', 'has_' + name) stepper.set_current_value(printer.config.getfloat('Steppers', 'current_' + name)) stepper.set_steps_pr_mm(printer.config.getfloat('Steppers', 'steps_pr_mm_' + name)) stepper.set_microstepping(printer.config.getint('Steppers', 'microstepping_' + name)) stepper.set_decay(printer.config.getboolean("Steppers", "slow_decay_" + name)) # Add soft end stops Path.soft_min[Path.axis_to_index(name)] = printer.config.getfloat('Endstops', 'soft_end_stop_min_' + name) Path.soft_max[Path.axis_to_index(name)] = printer.config.getfloat('Endstops', 'soft_end_stop_max_' + name) # Commit changes for the Steppers #Stepper.commit() # Delta printer setup if Path.axis_config == Path.AXIS_CONFIG_DELTA: opts = ["Hez", "L", "r", "Ae", "Be", "Ce", "A_radial", "B_radial", "C_radial", "A_tangential", "B_tangential", "C_tangential" ] for opt in opts: Delta.__dict__[opt] = printer.config.getfloat('Delta', opt) Delta.recalculate() # Set up cold ends path = self.printer.config.get('Cold-ends', 'path', 0) if os.path.exists(path): self.printer.cold_ends.append(ColdEnd(path, "Cold End 0")) logging.info("Found Cold end on " + path) else: logging.info("No cold end present in path: " + path) # Make Mosfets, thermistors and extruders heaters = ["E", "H", "HBP"] if self.printer.config.reach_revision: heaters.extend(["A", "B", "C"]) for e in heaters: # Mosfets channel = self.printer.config.getint("Heaters", "mosfet_"+e) self.printer.mosfets[e] = Mosfet(channel) # Thermistors adc = self.printer.config.get("Heaters", "path_adc_"+e) chart = self.printer.config.get("Heaters", "temp_chart_"+e) self.printer.thermistors[e] = Thermistor(adc, "MOSFET "+e, chart) # Extruders onoff = self.printer.config.getboolean('Heaters', 'onoff_'+e) prefix = self.printer.config.get('Heaters', 'prefix_'+e) if e != "HBP": self.printer.heaters[e] = Extruder( self.printer.steppers[e], self.printer.thermistors[e], self.printer.mosfets[e], e, onoff) else: self.printer.heaters[e] = HBP( self.printer.thermistors[e], self.printer.mosfets[e], onoff) self.printer.heaters[e].prefix = prefix self.printer.heaters[e].P = self.printer.config.getfloat('Heaters', 'pid_p_'+e) self.printer.heaters[e].I = self.printer.config.getfloat('Heaters', 'pid_i_'+e) self.printer.heaters[e].D = self.printer.config.getfloat('Heaters', 'pid_d_'+e) # Init the three fans. Argument is PWM channel number self.printer.fans = [] if self.revision == "00A3": self.printer.fans.append(Fan(0)) self.printer.fans.append(Fan(1)) self.printer.fans.append(Fan(2)) elif self.revision == "0A4A": self.printer.fans.append(Fan(8)) self.printer.fans.append(Fan(9)) self.printer.fans.append(Fan(10)) elif self.revision == "00B1": self.printer.fans.append(Fan(7)) self.printer.fans.append(Fan(8)) self.printer.fans.append(Fan(9)) self.printer.fans.append(Fan(10)) for f in self.printer.fans: f.set_value(0) # Init the servos printer.servos = [] servo_nr = 0 while(printer.config.has_option("Servos", "servo_"+str(servo_nr)+"_enable")): if printer.config.getboolean("Servos", "servo_"+str(servo_nr)+"_enable"): channel = printer.config.getint("Servos", "servo_"+str(servo_nr)+"_channel") angle_off = printer.config.getint("Servos", "servo_"+str(servo_nr)+"_angle_off") s = Servo(channel, 500, 750, angle_off) s.angle_on = printer.config.getint("Servos", "servo_"+str(servo_nr)+"_angle_on") s.angle_off = angle_off printer.servos.append(s) logging.info("Added servo "+str(servo_nr)) servo_nr += 1 # Connect thermitors to fans for t, therm in self.printer.heaters.iteritems(): for f, fan in enumerate(self.printer.fans): if self.printer.config.getboolean('Cold-ends', "connect-therm-{}-fan-{}".format(t, f)): c = Cooler(therm, fan, "Cooler-{}-{}".format(t, f), False) c.ok_range = 4 c.set_target_temperature(60) c.enable() self.printer.coolers.append(c) logging.info("Cooler connects therm {} with fan {}".format(t, f)) # Connect fans to M106 printer.controlled_fans = [] for i, fan in enumerate(self.printer.fans): if self.printer.config.getboolean('Cold-ends', "add-fan-{}-to-M106".format(i)): printer.controlled_fans.append(self.printer.fans[i]) logging.info("Added fan {} to M106/M107".format(i)) # Connect the cold end 0 to fan 2 # This is very "Thing" specific, should be configurable somehow. if len(self.printer.cold_ends): self.printer.coolers.append( Cooler(self.printer.cold_ends[0], self.printer.fans[2], "Cooler0", False)) self.printer.coolers[0].ok_range = 4 self.printer.coolers[0].set_target_temperature(60) self.printer.coolers[0].enable() # Make a queue of commands self.printer.commands = JoinableQueue(10) # Make a queue of commands that should not be buffered self.printer.sync_commands = JoinableQueue() self.printer.unbuffered_commands = JoinableQueue(10) # Bed compensation matrix Path.matrix_bed_comp = printer.load_bed_compensation_matrix() Path.matrix_bed_comp_inv = np.linalg.inv(Path.matrix_bed_comp) logging.debug("Loaded bed compensation matrix: \n"+str(Path.matrix_bed_comp)) for axis in printer.steppers.keys(): i = Path.axis_to_index(axis) Path.max_speeds[i] = printer.config.getfloat('Planner', 'max_speed_'+axis.lower()) Path.home_speed[i] = printer.config.getfloat('Homing', 'home_speed_'+axis.lower()) Path.home_backoff_speed[i] = printer.config.getfloat('Homing', 'home_backoff_speed_'+axis.lower()) Path.home_backoff_offset[i] = printer.config.getfloat('Homing', 'home_backoff_offset_'+axis.lower()) Path.steps_pr_meter[i] = printer.steppers[axis].get_steps_pr_meter() Path.backlash_compensation[i] = printer.config.getfloat('Steppers', 'backlash_'+axis.lower()) dirname = os.path.dirname(os.path.realpath(__file__)) # Create the firmware compiler pru_firmware = PruFirmware( dirname + "/firmware/firmware_runtime.p", dirname + "/firmware/firmware_runtime.bin", dirname + "/firmware/firmware_endstops.p", dirname + "/firmware/firmware_endstops.bin", self.revision, self.printer.config, "/usr/bin/pasm") printer.maxJerkXY = printer.config.getfloat('Planner', 'maxJerk_xy') printer.maxJerkZ = printer.config.getfloat('Planner', 'maxJerk_z') printer.maxJerkEH = printer.config.getfloat('Planner', 'maxJerk_eh') printer.move_cache_size = printer.config.getfloat('Planner', 'move_cache_size') printer.print_move_buffer_wait = printer.config.getfloat('Planner', 'print_move_buffer_wait') printer.min_buffered_move_time = printer.config.getfloat('Planner', 'min_buffered_move_time') printer.max_buffered_move_time = printer.config.getfloat('Planner', 'max_buffered_move_time') self.printer.processor = GCodeProcessor(self.printer) self.printer.plugins = PluginsController(self.printer) # Path planner travel_default = False center_default = False home_default = False self.printer.path_planner = PathPlanner(self.printer, pru_firmware) for axis in printer.steppers.keys(): i = Path.axis_to_index(axis) printer.acceleration[Path.axis_to_index(axis)] = printer.config.getfloat( 'Planner', 'acceleration_' + axis.lower()) # Sometimes soft_end_stop aren't defined to be at the exact hardware boundary. # Adding 100mm for searching buffer. if printer.config.has_option('Geometry', 'travel_' + axis.lower()): printer.path_planner.travel_length[axis] = printer.config.getfloat('Geometry', 'travel_' + axis.lower()) else: printer.path_planner.travel_length[axis] = (Path.soft_max[i] - Path.soft_min[i]) + .1 if axis in ['X','Y','Z']: travel_default = True if printer.config.has_option('Geometry', 'offset_' + axis.lower()): printer.path_planner.center_offset[axis] = printer.config.getfloat('Geometry', 'offset_' + axis.lower()) else: printer.path_planner.center_offset[axis] =(Path.soft_min[i] if Path.home_speed[i] > 0 else Path.soft_max[i]) if axis in ['X','Y','Z']: center_default = True if printer.config.has_option('Homing', 'home_' + axis.lower()): printer.path_planner.home_pos[axis] = printer.config.getfloat('Homing', 'home_' + axis.lower()) else: printer.path_planner.home_pos[axis] = printer.path_planner.center_offset[axis] if axis in ['X','Y','Z']: home_default = True if Path.axis_config == Path.AXIS_CONFIG_DELTA: if travel_default: logging.warning("Axis travel (travel_*) set by soft limits, manual setup is recommended for a delta") if center_default: logging.warning("Axis offsets (offset_*) set by soft limits, manual setup is recommended for a delta") if home_default: logging.warning("Home position (home_*) set by soft limits or offset_*") logging.info("Home position will be recalculated...") # convert home_pos to effector space Az = printer.path_planner.home_pos['X'] Bz = printer.path_planner.home_pos['Y'] Cz = printer.path_planner.home_pos['Z'] z_offset = Delta.vertical_offset(Az,Bz,Cz) # vertical offset xyz = Delta.forward_kinematics2(Az, Bz, Cz) # effector position # The default home_pos, provided above, is based on effector space # coordinates for carriage positions. We need to transform these to # get where the effector actually is. xyz[2] += z_offset for i, a in enumerate(['X','Y','Z']): printer.path_planner.home_pos[a] = xyz[i] logging.info("Home position = %s"%str(printer.path_planner.home_pos)) # Enable PWM and steppers printer.enable = Enable("P9_41") printer.enable.set_enabled() # Set up communication channels printer.comms["USB"] = USB(self.printer) printer.comms["Eth"] = Ethernet(self.printer) if Pipe.check_tty0tty() or Pipe.check_socat(): printer.comms["octoprint"] = Pipe(printer, "octoprint") printer.comms["toggle"] = Pipe(printer, "toggle") printer.comms["testing"] = Pipe(printer, "testing") printer.comms["testing_noret"] = Pipe(printer, "testing_noret") # Does not send "ok" printer.comms["testing_noret"].send_response = False else: logging.warning("Neither tty0tty or socat is installed! No virtual tty pipes enabled")