def set_microstepping(self, value, force_update=False):
""" Microstepping (default = 0) 0 to 5 """
if not value in [0, 1, 2, 3, 4, 5
]: # Full, half, 1/4, 1/8, 1/16, 1/32.
logging.warning(
"Tried to set illegal microstepping value: {0} for stepper {1}"
.format(value, self.name))
return
self.microsteps = 2**value # 2^val
if Stepper.revision in ["A4", "A4A"]:
# Keep bit 4, 5, 6, 7 intact but replace and reverse bit 1, 2, 3
self.state = int(
"0b" + bin(self.state)[2:].rjust(8, '0')[:4] +
bin(value)[2:].rjust(3, '0')[::-1] + "0", 2)
else:
# Keep bit 0, 4, 5, 6 intact but replace bit 1, 2, 3
self.state = int(
"0b" + bin(self.state)[2:].rjust(8, '0')[:4] +
bin(value)[2:].rjust(3, '0') + bin(self.state)[-1:], 2)
#self.state = int("0b"+bin(self.state)[2:].rjust(8, '0')[:4]+bin(value)[2:].rjust(3, '0')+"0", 2)
self.mmPrStep = 1.0 / (self.steps_pr_mm * self.microsteps)
#logging.debug("Updated stepper "+self.name+" to microstepping "+str(self.microsteps))
# update the Path class with new values
stepper_num = Path.axis_to_index(self.name)
Path.steps_pr_meter[stepper_num] = self.get_steps_pr_meter()
if force_update:
self.update()
def _home_internal(self, axis):
""" Private method for homing a set or a single axis """
logging.debug("homing " + str(axis))
path_back = {}
path_center = {}
path_zero = {}
speed = Path.home_speed[0]
for a in axis:
if not self.printer.steppers[a].has_endstop:
logging.debug("Skipping homing for " + str(a))
continue
path_back[a] = -self.travel_length[a]
path_center[a] = -self.center_offset[a]
path_zero[a] = 0
speed = min(speed, Path.home_speed[Path.axis_to_index(a)])
# Move until endstop is hit
p = RelativePath(path_back, speed, True)
self.add_path(p)
# Reset position to offset
p = G92Path(path_center, speed)
self.add_path(p)
# Move to offset
p = AbsolutePath(path_zero, speed)
self.add_path(p)
self.wait_until_done()
logging.debug("homing done for " + str(axis))
def _go_to_home(self, axis):
"""
go to the designated home position
do this as a separate call from _home_internal due to delta platforms
performing home in cartesian mode
"""
path_home = {}
speed = Path.home_speed[0]
accel = self.printer.acceleration[0]
for a in axis:
path_home[a] = self.home_pos[a]
speed = min(abs(speed), abs(Path.home_speed[Path.axis_to_index(a)]))
logging.debug("Home: %s" % path_home)
# Move to home position
p = AbsolutePath(path_home, speed, accel, True, False, False, False)
self.add_path(p)
self.wait_until_done()
# Due to rounding errors, we explicitly set the found
# position to the right value.
# Reset (final) position to offset
p = G92Path(path_home, speed)
self.add_path(p)
return
def _home_internal(self, axis):
""" Private method for homing a set or a single axis """
logging.debug("homing " + str(axis))
path_back = {}
path_center = {}
path_zero = {}
speed = Path.home_speed[0]
for a in axis:
if not self.printer.steppers[a].has_endstop:
logging.debug("Skipping homing for " + str(a))
continue
path_back[a] = -self.travel_length[a]
path_center[a] = -self.center_offset[a]
path_zero[a] = 0
speed = min(speed, Path.home_speed[Path.axis_to_index(a)])
# Move until endstop is hit
p = RelativePath(path_back, speed, True)
self.add_path(p)
# Reset position to offset
p = G92Path(path_center, speed)
self.add_path(p)
# Move to offset
p = AbsolutePath(path_zero, speed)
self.add_path(p)
self.wait_until_done()
logging.debug("homing done for " + str(axis))
def set_microstepping(self, value, force_update=False):
""" Todo: Find an elegant way for this """
EN_CFG1 = (1 << 7)
DIS_CFG1 = (0 << 7)
EN_CFG2 = (1 << 5)
DIS_CFG2 = (0 << 5)
CFG2_H = (1 << 4)
CFG2_L = (0 << 4)
CFG1_H = (1 << 6)
CFG1_L = (0 << 6)
if value == 0: # GND, GND
state = EN_CFG2 | CFG2_L | EN_CFG1 | CFG1_L
self.microsteps = 1
elif value == 1: # GND, VCC
state = EN_CFG2 | CFG2_L | EN_CFG1 | CFG1_H
self.microsteps = 2
elif value == 2: # GND, open
state = EN_CFG2 | CFG2_L | DIS_CFG1 | CFG1_L
self.microsteps = 2
elif value == 3: # VCC, GND
state = EN_CFG2 | CFG2_H | EN_CFG1 | CFG1_L
self.microsteps = 4
elif value == 4: # VCC, VCC
state = EN_CFG2 | CFG2_H | EN_CFG1 | CFG1_H
self.microsteps = 16
elif value == 5: # VCC, open
state = EN_CFG2 | CFG2_H | DIS_CFG1 | CFG1_L
self.microsteps = 4
elif value == 6: # open, GND
state = DIS_CFG2 | CFG2_L | EN_CFG1 | CFG1_L
self.microsteps = 16
elif value == 7: # open, VCC
state = DIS_CFG2 | CFG2_L | EN_CFG1 | CFG1_H
self.microsteps = 4
elif value == 8: # open, open
state = DIS_CFG2 | CFG2_L | DIS_CFG1 | CFG1_L
self.microsteps = 16
self.shift_reg.set_state(state, 0xF0)
self.mmPrStep = 1.0 / (self.steps_pr_mm * self.microsteps)
# update the Path class with new values
stepper_num = Path.axis_to_index(self.name)
Path.steps_pr_meter[stepper_num] = self.get_steps_pr_meter()
logging.debug("Updated stepper " + self.name + " to microstepping " +
str(value) + " = " + str(self.microsteps))
self.microstepping = value
def set_microstepping(self, value, force_update=False):
""" Microstepping (default = 0) 0 to 5 """
if not value in [0, 1, 2, 3, 4, 5]: # Full, half, 1/4, 1/8, 1/16, 1/32.
logging.warning("Tried to set illegal microstepping value: {0} for stepper {1}".format(value, self.name))
return
self.microstepping = value
self.microsteps = 2**value # 2^val
# Keep bit 0, 4, 5, 6 intact but replace bit 1, 2, 3
self.state = int("0b"+bin(self.state)[2:].rjust(8, '0')[:4]+bin(value)[2:].rjust(3, '0')[::-1]+"0", 2)
#self.state = int("0b"+bin(self.state)[2:].rjust(8, '0')[:4]+bin(value)[2:].rjust(3, '0')+bin(self.state)[-1:], 2)
self.mmPrStep = 1.0/(self.steps_pr_mm*self.microsteps)
# update the Path class with new values
stepper_num = Path.axis_to_index(self.name)
Path.steps_pr_meter[stepper_num] = self.get_steps_pr_meter()
self.update()
def set_microstepping(self, value, force_update=False):
""" Todo: Find an elegant way for this """
EN_CFG1 = (1<<7)
DIS_CFG1 = (0<<7)
EN_CFG2 = (1<<5)
DIS_CFG2 = (0<<5)
CFG2_H = (1<<4)
CFG2_L = (0<<4)
CFG1_H = (1<<6)
CFG1_L = (0<<6)
if value == 0: # GND, GND
state = EN_CFG2 | CFG2_L | EN_CFG1 | CFG1_L
self.microsteps = 1
elif value == 1: # GND, VCC
state = EN_CFG2 | CFG2_L | EN_CFG1 | CFG1_H
self.microsteps = 2
elif value == 2: # GND, open
state = EN_CFG2 | CFG2_L | DIS_CFG1 | CFG1_L
self.microsteps = 2
elif value == 3: # VCC, GND
state = EN_CFG2 | CFG2_H | EN_CFG1 | CFG1_L
self.microsteps = 4
elif value == 4: # VCC, VCC
state = EN_CFG2 | CFG2_H | EN_CFG1 | CFG1_H
self.microsteps = 16
elif value == 5: # VCC, open
state = EN_CFG2 | CFG2_H | DIS_CFG1 | CFG1_L
self.microsteps = 4
elif value == 6: # open, GND
state = DIS_CFG2 | CFG2_L | EN_CFG1 | CFG1_L
self.microsteps = 16
elif value == 7: # open, VCC
state = DIS_CFG2 | CFG2_L | EN_CFG1 | CFG1_H
self.microsteps = 4
elif value == 8: # open, open
state = DIS_CFG2 | CFG2_L | DIS_CFG1 | CFG1_L
self.microsteps = 16
self.shift_reg.set_state(state,0xF0)
self.mmPrStep = 1.0/(self.steps_pr_mm*self.microsteps)
# update the Path class with new values
stepper_num = Path.axis_to_index(self.name)
Path.steps_pr_meter[stepper_num] = self.get_steps_pr_meter()
logging.debug("Updated stepper "+self.name+" to microstepping "+str(value)+" = "+str(self.microsteps))
self.microstepping = value
def execute(self, g):
t = self.printer.acceleration[:];
for i in range(g.num_tokens()):
axis = Path.axis_to_index(g.token_letter(i))
t[axis] = float(g.token_value(i)) / 3600.0
if Path.axis_config == Path.AXIS_CONFIG_CORE_XY or Path.axis_config == Path.AXIS_CONFIG_H_BELT:
# x and y should have same accelerations for lines to be straight
t[1] = t[0]
elif Path.axis_config == Path.AXIS_CONFIG_DELTA:
# Delta should have same accelerations on all axis
t[1] = t[0]
t[2] = t[0]
# setup 3d movement accel
self.set_acceleration(tuple(t[:3]))
# Setup the extruder accel
for i in range(Path.NUM_AXES - 3):
e = self.printer.path_planner.native_planner.getExtruder(i)
self.set_extruder_acceleration(e,t[i + 3])
def execute(self, g):
t = self.printer.acceleration[:]
for i in range(g.num_tokens()):
axis = Path.axis_to_index(g.token_letter(i))
t[axis] = float(g.token_value(i)) / 3600.0
if Path.axis_config == Path.AXIS_CONFIG_CORE_XY or Path.axis_config == Path.AXIS_CONFIG_H_BELT:
# x and y should have same accelerations for lines to be straight
t[1] = t[0]
elif Path.axis_config == Path.AXIS_CONFIG_DELTA:
# Delta should have same accelerations on all axis
t[1] = t[0]
t[2] = t[0]
# setup 3d movement accel
self.set_acceleration(tuple(t[:3]))
# Setup the extruder accel
for i in range(Path.NUM_AXES - 3):
e = self.printer.path_planner.native_planner.getExtruder(i)
self.set_extruder_acceleration(e, t[i + 3])
def _go_to_home(self, axis):
"""
go to the designated home position
do this as a separate call from _home_internal due to delta platforms
performing home in cartesian mode
"""
path_home = {}
speed = Path.home_speed[0]
for a in axis:
path_home[a] = self.home_pos[a]
speed = min(abs(speed), abs(Path.home_speed[Path.axis_to_index(a)]))
logging.debug("Home: %s" % path_home)
# Move to home position
p = AbsolutePath(path_home, speed, True, False, False, False)
self.add_path(p)
self.wait_until_done()
return
def _go_to_home(self, axis):
"""
go to the designated home position
do this as a separate call from _home_internal due to delta platforms
performing home in cartesian mode
"""
path_home = {}
speed = Path.home_speed[0]
for a in axis:
path_home[a] = self.home_pos[a]
speed = min(abs(speed),
abs(Path.home_speed[Path.axis_to_index(a)]))
logging.debug("Home: %s" % path_home)
# Move to home position
# p = AbsolutePath(path_home, speed, True, False, False, False)
# self.add_path(p)
# self.wait_until_done()
return
def __init__(self):
firmware_version = "1.1.8~Raw Deal"
logging.info("Redeem initializing "+firmware_version)
printer = Printer()
self.printer = printer
Path.printer = printer
printer.firmware_version = firmware_version
# 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?
if not os.path.exists("/etc/redeem/local.cfg"):
logging.info("/etc/redeem/local.cfg does not exist, Creating one")
os.mknod("/etc/redeem/local.cfg")
# Parse the config files.
printer.config = CascadingConfigParser(
['/etc/redeem/default.cfg', '/etc/redeem/printer.cfg',
'/etc/redeem/local.cfg'])
# Get the revision and loglevel from the Config file
level = self.printer.config.getint('System', 'loglevel')
if level > 0:
logging.getLogger().setLevel(level)
# Set up additional logging, if present:
if self.printer.config.getboolean('System', 'log_to_file'):
logfile = self.printer.config.get('System', 'logfile')
formatter = '%(asctime)s %(name)-12s %(levelname)-8s %(message)s'
printer.redeem_logging_handler = logging.handlers.RotatingFileHandler(logfile, maxBytes=2*1024*1024)
printer.redeem_logging_handler.setFormatter(logging.Formatter(formatter))
printer.redeem_logging_handler.setLevel(level)
logging.getLogger().addHandler(printer.redeem_logging_handler)
logging.info("-- Logfile configured --")
# 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)
else:
logging.warning("Oh no! No Replicape present!")
self.revision = "00B3"
# We set it to 5 axis by default
Path.NUM_AXES = 5
if self.printer.config.reach_revision:
logging.info("Found Reach rev. "+self.printer.config.reach_revision)
if self.printer.config.reach_revision == "00A0":
Path.NUM_AXES = 8
elif self.printer.config.reach_revision == "00B0":
Path.NUM_AXES = 7
if self.revision in ["00A4", "0A4A", "00A3"]:
PWM.set_frequency(100)
elif self.revision in ["00B1", "00B2", "00B3"]:
PWM.set_frequency(1000)
# Test the alarm framework
Alarm.printer = self.printer
Alarm.executor = AlarmExecutor()
alarm = Alarm(Alarm.ALARM_TEST, "Alarm framework operational")
# Init the Watchdog timer
printer.watchdog = Watchdog()
# Enable PWM and steppers
printer.enable = Enable("P9_41")
printer.enable.set_disabled()
# Init the Paths
Path.axis_config = printer.config.getint('Geometry', 'axis_config')
# Init the end stops
EndStop.inputdev = self.printer.config.get("Endstops", "inputdev")
# Set up key listener
Key_pin.listener = Key_pin_listener(EndStop.inputdev)
for es in ["Z2", "Y2", "X2", "Z1", "Y1", "X1"]: # Order matches end stop inversion mask in Firmware
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(printer, pin, keycode, es, invert)
self.printer.end_stops[es].stops = self.printer.config.get('Endstops', 'end_stop_'+es+'_stops')
# Init the 5 Stepper motors (step, dir, fault, DAC channel, name)
if self.revision == "00A3":
printer.steppers["X"] = Stepper_00A3("GPIO0_27", "GPIO1_29", "GPIO2_4" , 0, "X")
printer.steppers["Y"] = Stepper_00A3("GPIO1_12", "GPIO0_22", "GPIO2_5" , 1, "Y")
printer.steppers["Z"] = Stepper_00A3("GPIO0_23", "GPIO0_26", "GPIO0_15", 2, "Z")
printer.steppers["E"] = Stepper_00A3("GPIO1_28", "GPIO1_15", "GPIO2_1" , 3, "E")
printer.steppers["H"] = Stepper_00A3("GPIO1_13", "GPIO1_14", "GPIO2_3" , 4, "H")
elif self.revision == "00B1":
printer.steppers["X"] = Stepper_00B1("GPIO0_27", "GPIO1_29", "GPIO2_4" , 11, 0, "X")
printer.steppers["Y"] = Stepper_00B1("GPIO1_12", "GPIO0_22", "GPIO2_5" , 12, 1, "Y")
printer.steppers["Z"] = Stepper_00B1("GPIO0_23", "GPIO0_26", "GPIO0_15", 13, 2, "Z")
printer.steppers["E"] = Stepper_00B1("GPIO1_28", "GPIO1_15", "GPIO2_1" , 14, 3, "E")
printer.steppers["H"] = Stepper_00B1("GPIO1_13", "GPIO1_14", "GPIO2_3" , 15, 4, "H")
elif self.revision == "00B2":
printer.steppers["X"] = Stepper_00B2("GPIO0_27", "GPIO1_29", "GPIO2_4" , 11, 0, "X")
printer.steppers["Y"] = Stepper_00B2("GPIO1_12", "GPIO0_22", "GPIO2_5" , 12, 1, "Y")
printer.steppers["Z"] = Stepper_00B2("GPIO0_23", "GPIO0_26", "GPIO0_15", 13, 2, "Z")
printer.steppers["E"] = Stepper_00B2("GPIO1_28", "GPIO1_15", "GPIO2_1" , 14, 3, "E")
printer.steppers["H"] = Stepper_00B2("GPIO1_13", "GPIO1_14", "GPIO2_3" , 15, 4, "H")
elif self.revision == "00B3":
printer.steppers["X"] = Stepper_00B3("GPIO0_27", "GPIO1_29", 90, 11, 0, "X")
printer.steppers["Y"] = Stepper_00B3("GPIO1_12", "GPIO0_22", 91, 12, 1, "Y")
printer.steppers["Z"] = Stepper_00B3("GPIO0_23", "GPIO0_26", 92, 13, 2, "Z")
printer.steppers["E"] = Stepper_00B3("GPIO1_28", "GPIO1_15", 93, 14, 3, "E")
printer.steppers["H"] = Stepper_00B3("GPIO1_13", "GPIO1_14", 94, 15, 4, "H")
elif self.revision in ["00A4", "0A4A"]:
printer.steppers["X"] = Stepper_00A4("GPIO0_27", "GPIO1_29", "GPIO2_4" , 0, 0, "X")
printer.steppers["Y"] = Stepper_00A4("GPIO1_12", "GPIO0_22", "GPIO2_5" , 1, 1, "Y")
printer.steppers["Z"] = Stepper_00A4("GPIO0_23", "GPIO0_26", "GPIO0_15", 2, 2, "Z")
printer.steppers["E"] = Stepper_00A4("GPIO1_28", "GPIO1_15", "GPIO2_1" , 3, 3, "E")
printer.steppers["H"] = Stepper_00A4("GPIO1_13", "GPIO1_14", "GPIO2_3" , 4, 4, "H")
# Init Reach steppers, if present.
if printer.config.reach_revision == "00A0":
printer.steppers["A"] = Stepper_reach_00A4("GPIO2_2" , "GPIO1_18", "GPIO0_14", 5, 5, "A")
printer.steppers["B"] = Stepper_reach_00A4("GPIO1_16", "GPIO0_5" , "GPIO0_14", 6, 6, "B")
printer.steppers["C"] = Stepper_reach_00A4("GPIO0_3" , "GPIO3_19", "GPIO0_14", 7, 7, "C")
elif printer.config.reach_revision == "00B0":
printer.steppers["A"] = Stepper_reach_00B0("GPIO1_16", "GPIO0_5", "GPIO0_3", 5, 5, "A")
printer.steppers["B"] = Stepper_reach_00B0("GPIO2_2" , "GPIO0_14", "GPIO0_3", 6, 6, "B")
# 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.getint("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)
slave = printer.config.get('Steppers', 'slave_' + name)
if slave:
Path.add_slave(name, slave)
logging.debug("Axis "+name+" has slave "+slave)
# Commit changes for the Steppers
#Stepper.commit()
Stepper.printer = printer
# 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()
# Discover and add all DS18B20 cold ends.
import glob
paths = glob.glob("/sys/bus/w1/devices/28-*/w1_slave")
logging.debug("Found cold ends: "+str(paths))
for i, path in enumerate(paths):
self.printer.cold_ends.append(ColdEnd(path, "ds18b20-"+str(i)))
logging.info("Found Cold end "+str(i)+" on " + 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)
resistance = self.printer.config.getfloat("Heaters", "resistance_"+e)
self.printer.thermistors[e] = Thermistor(adc, "MOSFET "+e, chart, resistance)
self.printer.thermistors[e].printer = printer
# 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)
# Min/max settings
self.printer.heaters[e].min_temp = self.printer.config.getfloat('Heaters', 'min_temp_'+e)
self.printer.heaters[e].max_temp = self.printer.config.getfloat('Heaters', 'max_temp_'+e)
self.printer.heaters[e].max_temp_rise = self.printer.config.getfloat('Heaters', 'max_rise_temp_'+e)
self.printer.heaters[e].max_temp_fall = self.printer.config.getfloat('Heaters', 'max_fall_temp_'+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 in ["00B1", "00B2", "00B3"]:
self.printer.fans.append(Fan(7))
self.printer.fans.append(Fan(8))
self.printer.fans.append(Fan(9))
self.printer.fans.append(Fan(10))
if printer.config.reach_revision == "00A0":
self.printer.fans.append(Fan(14))
self.printer.fans.append(Fan(15))
self.printer.fans.append(Fan(7))
# Disable all fans
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.get("Servos", "servo_"+str(servo_nr)+"_channel")
pulse_min = printer.config.getfloat("Servos", "servo_"+str(servo_nr)+"_pulse_min")
pulse_max = printer.config.getfloat("Servos", "servo_"+str(servo_nr)+"_pulse_max")
angle_min = printer.config.getfloat("Servos", "servo_"+str(servo_nr)+"_angle_min")
angle_max = printer.config.getfloat("Servos", "servo_"+str(servo_nr)+"_angle_max")
angle_init = printer.config.getfloat("Servos", "servo_"+str(servo_nr)+"_angle_init")
s = Servo(channel, pulse_min, pulse_max, angle_min, angle_max, angle_init)
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 not self.printer.config.has_option('Cold-ends', "connect-therm-{}-fan-{}".format(t, f)):
continue
if printer.config.getboolean('Cold-ends', "connect-therm-{}-fan-{}".format(t, f)):
c = Cooler(therm, fan, "Cooler-{}-{}".format(t, f), True) # Use ON/OFF on these.
c.ok_range = 4
opt_temp = "therm-{}-fan-{}-target_temp".format(t, f)
if printer.config.has_option('Cold-ends', opt_temp):
target_temp = printer.config.getfloat('Cold-ends', opt_temp)
else:
target_temp = 60
c.set_target_temperature(target_temp)
c.enable()
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 not self.printer.config.has_option('Cold-ends', "add-fan-{}-to-M106".format(i)):
continue
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 colds to fans
for ce, cold_end in enumerate(self.printer.cold_ends):
for f, fan in enumerate(self.printer.fans):
option = "connect-ds18b20-{}-fan-{}".format(ce, f)
if self.printer.config.has_option('Cold-ends', option):
if self.printer.config.getboolean('Cold-ends', option):
c = Cooler(cold_end, fan, "Cooler-ds18b20-{}-{}".format(ce, f), False)
c.ok_range = 4
opt_temp = "cooler_{}_target_temp".format(ce)
if printer.config.has_option('Cold-ends', opt_temp):
target_temp = printer.config.getfloat('Cold-ends', opt_temp)
else:
target_temp = 60
c.set_target_temperature(target_temp)
c.enable()
printer.coolers.append(c)
logging.info("Cooler connects temp sensor ds18b20 {} with fan {}".format(ce, f))
# Init roatray encs.
printer.filament_sensors = []
# Init rotary encoders
printer.rotary_encoders = []
for ex in ["E", "H", "A", "B", "C"]:
if not printer.config.has_option('Rotary-encoders', "enable-{}".format(ex)):
continue
if printer.config.getboolean("Rotary-encoders", "enable-{}".format(ex)):
logging.debug("Rotary encoder {} enabled".format(ex))
event = printer.config.get("Rotary-encoders", "event-{}".format(ex))
cpr = printer.config.getint("Rotary-encoders", "cpr-{}".format(ex))
diameter = printer.config.getfloat("Rotary-encoders", "diameter-{}".format(ex))
r = RotaryEncoder(event, cpr, diameter)
printer.rotary_encoders.append(r)
# Append as Filament Sensor
ext_nr = Path.axis_to_index(ex)-3
sensor = FilamentSensor(ex, r, ext_nr, printer)
alarm_level = printer.config.getfloat("Filament-sensors", "alarm-level-{}".format(ex))
logging.debug("Alarm level"+str(alarm_level))
sensor.alarm_level = alarm_level
printer.filament_sensors.append(sensor)
# 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.min_speeds[i] = printer.config.getfloat('Planner', 'min_speed_'+axis.lower())
Path.jerks[i] = printer.config.getfloat('Planner', 'max_jerk_'+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.printer, "/usr/bin/pasm")
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
# Setting acceleration before PathPlanner init
for axis in printer.steppers.keys():
Path.acceleration[Path.axis_to_index(axis)] = printer.config.getfloat(
'Planner', 'acceleration_' + axis.lower())
self.printer.path_planner = PathPlanner(self.printer, pru_firmware)
for axis in printer.steppers.keys():
i = Path.axis_to_index(axis)
# 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 Stepper timeout
timeout = printer.config.getint('Steppers', 'timeout_seconds')
printer.swd = StepperWatchdog(printer, timeout)
if printer.config.getboolean('Steppers', 'use_timeout'):
printer.swd.start()
# 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")
def _home_internal(self, axis):
""" Private method for homing a set or a single axis """
logging.debug("homing internal " + str(axis))
path_search = {}
path_backoff = {}
path_fine_search = {}
path_center = {}
path_zero = {}
speed = Path.home_speed[0]
for a in axis:
if not self.printer.steppers[a].has_endstop:
logging.debug("Skipping homing for " + str(a))
continue
logging.debug("Doing homing for " + str(a))
if Path.home_speed[Path.axis_to_index(a)] < 0:
# Search to positive ends
path_search[a] = self.travel_length[a]
path_center[a] = self.center_offset[a]
else:
# Search to negative ends
path_search[a] = -self.travel_length[a]
path_center[a] = -self.center_offset[a]
backoff_length = -np.sign(path_search[a]) * Path.home_backoff_offset[Path.axis_to_index(a)]
path_backoff[a] = backoff_length;
path_fine_search[a] = -backoff_length * 1.2;
speed = min(abs(speed), abs(Path.home_speed[Path.axis_to_index(a)]))
fine_search_speed = min(abs(speed), abs(Path.home_backoff_speed[Path.axis_to_index(a)]))
logging.debug("axis: "+str(a))
logging.debug("Search: %s" % path_search)
logging.debug("Backoff to: %s" % path_backoff)
logging.debug("Fine search: %s" % path_fine_search)
logging.debug("Center: %s" % path_center)
# Move until endstop is hit
p = RelativePath(path_search, speed, True, False, True, False)
self.add_path(p)
self.wait_until_done()
# Reset position to offset
p = G92Path(path_center, speed)
self.add_path(p)
self.wait_until_done()
# Back off a bit
p = RelativePath(path_backoff, speed, True, False, True, False)
self.add_path(p)
# Hit the endstop slowly
p = RelativePath(path_fine_search, fine_search_speed, True, False, True, False)
self.add_path(p)
self.wait_until_done()
# Reset (final) position to offset
p = G92Path(path_center, speed)
self.add_path(p)
return path_center, speed
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")
def make_config_file(self):
# Create a config file
configFile_0 = os.path.join("/tmp", 'config.h')
with open(configFile_0, 'w') as configFile:
# GPIO banks
banks = {"0": 0, "1": 0, "2": 0, "3": 0}
step_banks = {"0": 0, "1": 0, "2": 0, "3": 0}
dir_banks = {"0": 0, "1": 0, "2": 0, "3": 0}
direction_mask = 0
# Define step and dir pins
for name, stepper in self.printer.steppers.iteritems():
step_pin = str(stepper.get_step_pin())
step_bank = str(stepper.get_step_bank())
dir_pin = str(stepper.get_dir_pin())
dir_bank = str(stepper.get_dir_bank())
configFile.write('#define STEPPER_' + name + '_STEP_BANK\t\t' +
"STEPPER_GPIO_" + step_bank + '\n')
configFile.write('#define STEPPER_' + name + '_STEP_PIN\t\t' +
step_pin + '\n')
configFile.write('#define STEPPER_' + name + '_DIR_BANK\t\t' +
"STEPPER_GPIO_" + dir_bank + '\n')
configFile.write('#define STEPPER_' + name + '_DIR_PIN\t\t' +
dir_pin + '\n')
# Define direction
direction = "0" if self.config.getint(
'Steppers', 'direction_' + name) > 0 else "1"
configFile.write('#define STEPPER_' + name + '_DIRECTION\t\t' +
direction + '\n')
index = Path.axis_to_index(name)
direction_mask |= (int(direction) << index)
# Generate the GPIO bank masks
banks[step_bank] |= (1 << int(step_pin))
banks[dir_bank] |= (1 << int(dir_pin))
step_banks[step_bank] |= (1 << int(step_pin))
dir_banks[dir_bank] |= (1 << int(dir_pin))
configFile.write('#define DIRECTION_MASK ' + bin(direction_mask) +
'\n')
configFile.write('\n')
# Define end stop pins and banks
for name, endstop in self.printer.end_stops.iteritems():
bank, pin = endstop.get_gpio_bank_and_pin()
configFile.write('#define STEPPER_' + name + '_END_PIN\t\t' +
str(pin) + '\n')
configFile.write('#define STEPPER_' + name + '_END_BANK\t\t' +
"GPIO_" + str(bank) + '_IN\n')
configFile.write('\n')
# Construct the end stop inversion mask
inversion_mask = "#define INVERSION_MASK\t\t0b00"
for name in ["Z2", "Y2", "X2", "Z1", "Y1", "X1"]:
inversion_mask += "1" if self.config.getboolean(
'Endstops', 'invert_' + name) else "0"
configFile.write(inversion_mask + "\n")
# Construct the endstop lookup table.
for name, endstop in self.printer.end_stops.iteritems():
mask = 0
# stepper name is x_cw or x_ccw
option = 'end_stop_' + name + '_stops'
for stepper in self.config.get('Endstops', option).split(","):
stepper = stepper.strip()
if stepper == "":
continue
m = re.search('^([xyzehabc])_(ccw|cw|pos|neg)$', stepper)
if (m == None):
raise RuntimeError("'" + stepper +
"' is invalid for " + option)
# direction should be 1 for normal operation and -1 to invert the stepper.
if (m.group(2) == "pos"):
direction = -1
elif (m.group(2) == "neg"):
direction = 1
else:
direction = 1 if self.config.getint(
'Steppers', 'direction_' + stepper[0]) > 0 else -1
if (m.group(2) == "ccw"):
direction *= -1
cur = 1 << ("xyzehabc".index(m.group(1)))
if (direction == -1):
cur <<= 8
mask += cur
bin_mask = "0b" + (bin(mask)[2:]).zfill(16)
configFile.write("#define STEPPER_MASK_" + name + "\t\t" +
bin_mask + "\n")
configFile.write("\n")
# Put each dir and step pin in the proper buck if they are for GPIO0 or GPIO1 bank.
# This is a restriction due to the limited capabilities of the pasm preprocessor.
for name, bank in banks.iteritems():
#bank = (~bank & 0xFFFFFFFF)
configFile.write("#define GPIO" + name + "_MASK\t\t" +
bin(bank) + "\n")
#for name, bank in step_banks.iteritems():
#bank = (~bank & 0xFFFFFFFF)
# configFile.write("#define GPIO"+name+"_STEP_MASK\t\t" +bin(bank)+ "\n");
for name, bank in dir_banks.iteritems():
#bank = (~bank & 0xFFFFFFFF)
configFile.write("#define GPIO" + name + "_DIR_MASK\t\t" +
bin(bank) + "\n")
configFile.write("\n")
# Add end stop delay to the config file
end_stop_delay = self.config.getint('Endstops',
'end_stop_delay_cycles')
configFile.write("#define END_STOP_DELAY " + str(end_stop_delay) +
"\n")
return configFile_0
def __init__(self):
firmware_version = "1.1.8~Raw Deal"
logging.info("Redeem initializing " + firmware_version)
printer = Printer()
self.printer = printer
Path.printer = printer
printer.firmware_version = firmware_version
# 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?
if not os.path.exists("/etc/redeem/local.cfg"):
logging.info("/etc/redeem/local.cfg does not exist, Creating one")
os.mknod("/etc/redeem/local.cfg")
# Parse the config files.
printer.config = CascadingConfigParser([
'/etc/redeem/default.cfg', '/etc/redeem/printer.cfg',
'/etc/redeem/local.cfg'
])
# Get the revision and loglevel from the Config file
level = self.printer.config.getint('System', 'loglevel')
if level > 0:
logging.getLogger().setLevel(level)
# Set up additional logging, if present:
if self.printer.config.getboolean('System', 'log_to_file'):
logfile = self.printer.config.get('System', 'logfile')
formatter = '%(asctime)s %(name)-12s %(levelname)-8s %(message)s'
printer.redeem_logging_handler = logging.handlers.RotatingFileHandler(
logfile, maxBytes=2 * 1024 * 1024)
printer.redeem_logging_handler.setFormatter(
logging.Formatter(formatter))
printer.redeem_logging_handler.setLevel(level)
logging.getLogger().addHandler(printer.redeem_logging_handler)
logging.info("-- Logfile configured --")
# 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)
else:
logging.warning("Oh no! No Replicape present!")
self.revision = "00B3"
# We set it to 5 axis by default
Path.NUM_AXES = 5
if self.printer.config.reach_revision:
logging.info("Found Reach rev. " +
self.printer.config.reach_revision)
if self.printer.config.reach_revision == "00A0":
Path.NUM_AXES = 8
elif self.printer.config.reach_revision == "00B0":
Path.NUM_AXES = 7
if self.revision in ["00A4", "0A4A", "00A3"]:
PWM.set_frequency(100)
elif self.revision in ["00B1", "00B2", "00B3"]:
PWM.set_frequency(1000)
# Test the alarm framework
Alarm.printer = self.printer
Alarm.executor = AlarmExecutor()
alarm = Alarm(Alarm.ALARM_TEST, "Alarm framework operational")
# Init the Watchdog timer
printer.watchdog = Watchdog()
# Enable PWM and steppers
printer.enable = Enable("P9_41")
printer.enable.set_disabled()
# Init the Paths
Path.axis_config = printer.config.getint('Geometry', 'axis_config')
# Init the end stops
EndStop.inputdev = self.printer.config.get("Endstops", "inputdev")
# Set up key listener
Key_pin.listener = Key_pin_listener(EndStop.inputdev)
for es in ["Z2", "Y2", "X2", "Z1", "Y1",
"X1"]: # Order matches end stop inversion mask in Firmware
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(printer, pin, keycode, es,
invert)
self.printer.end_stops[es].stops = self.printer.config.get(
'Endstops', 'end_stop_' + es + '_stops')
# Init the 5 Stepper motors (step, dir, fault, DAC channel, name)
if self.revision == "00A3":
printer.steppers["X"] = Stepper_00A3("GPIO0_27", "GPIO1_29",
"GPIO2_4", 0, "X")
printer.steppers["Y"] = Stepper_00A3("GPIO1_12", "GPIO0_22",
"GPIO2_5", 1, "Y")
printer.steppers["Z"] = Stepper_00A3("GPIO0_23", "GPIO0_26",
"GPIO0_15", 2, "Z")
printer.steppers["E"] = Stepper_00A3("GPIO1_28", "GPIO1_15",
"GPIO2_1", 3, "E")
printer.steppers["H"] = Stepper_00A3("GPIO1_13", "GPIO1_14",
"GPIO2_3", 4, "H")
elif self.revision == "00B1":
printer.steppers["X"] = Stepper_00B1("GPIO0_27", "GPIO1_29",
"GPIO2_4", 11, 0, "X")
printer.steppers["Y"] = Stepper_00B1("GPIO1_12", "GPIO0_22",
"GPIO2_5", 12, 1, "Y")
printer.steppers["Z"] = Stepper_00B1("GPIO0_23", "GPIO0_26",
"GPIO0_15", 13, 2, "Z")
printer.steppers["E"] = Stepper_00B1("GPIO1_28", "GPIO1_15",
"GPIO2_1", 14, 3, "E")
printer.steppers["H"] = Stepper_00B1("GPIO1_13", "GPIO1_14",
"GPIO2_3", 15, 4, "H")
elif self.revision == "00B2":
printer.steppers["X"] = Stepper_00B2("GPIO0_27", "GPIO1_29",
"GPIO2_4", 11, 0, "X")
printer.steppers["Y"] = Stepper_00B2("GPIO1_12", "GPIO0_22",
"GPIO2_5", 12, 1, "Y")
printer.steppers["Z"] = Stepper_00B2("GPIO0_23", "GPIO0_26",
"GPIO0_15", 13, 2, "Z")
printer.steppers["E"] = Stepper_00B2("GPIO1_28", "GPIO1_15",
"GPIO2_1", 14, 3, "E")
printer.steppers["H"] = Stepper_00B2("GPIO1_13", "GPIO1_14",
"GPIO2_3", 15, 4, "H")
elif self.revision == "00B3":
printer.steppers["X"] = Stepper_00B3("GPIO0_27", "GPIO1_29", 90,
11, 0, "X")
printer.steppers["Y"] = Stepper_00B3("GPIO1_12", "GPIO0_22", 91,
12, 1, "Y")
printer.steppers["Z"] = Stepper_00B3("GPIO0_23", "GPIO0_26", 92,
13, 2, "Z")
printer.steppers["E"] = Stepper_00B3("GPIO1_28", "GPIO1_15", 93,
14, 3, "E")
printer.steppers["H"] = Stepper_00B3("GPIO1_13", "GPIO1_14", 94,
15, 4, "H")
elif self.revision in ["00A4", "0A4A"]:
printer.steppers["X"] = Stepper_00A4("GPIO0_27", "GPIO1_29",
"GPIO2_4", 0, 0, "X")
printer.steppers["Y"] = Stepper_00A4("GPIO1_12", "GPIO0_22",
"GPIO2_5", 1, 1, "Y")
printer.steppers["Z"] = Stepper_00A4("GPIO0_23", "GPIO0_26",
"GPIO0_15", 2, 2, "Z")
printer.steppers["E"] = Stepper_00A4("GPIO1_28", "GPIO1_15",
"GPIO2_1", 3, 3, "E")
printer.steppers["H"] = Stepper_00A4("GPIO1_13", "GPIO1_14",
"GPIO2_3", 4, 4, "H")
# Init Reach steppers, if present.
if printer.config.reach_revision == "00A0":
printer.steppers["A"] = Stepper_reach_00A4("GPIO2_2", "GPIO1_18",
"GPIO0_14", 5, 5, "A")
printer.steppers["B"] = Stepper_reach_00A4("GPIO1_16", "GPIO0_5",
"GPIO0_14", 6, 6, "B")
printer.steppers["C"] = Stepper_reach_00A4("GPIO0_3", "GPIO3_19",
"GPIO0_14", 7, 7, "C")
elif printer.config.reach_revision == "00B0":
printer.steppers["A"] = Stepper_reach_00B0("GPIO1_16", "GPIO0_5",
"GPIO0_3", 5, 5, "A")
printer.steppers["B"] = Stepper_reach_00B0("GPIO2_2", "GPIO0_14",
"GPIO0_3", 6, 6, "B")
# 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.getint("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)
slave = printer.config.get('Steppers', 'slave_' + name)
if slave:
Path.add_slave(name, slave)
logging.debug("Axis " + name + " has slave " + slave)
# Commit changes for the Steppers
#Stepper.commit()
Stepper.printer = printer
# 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()
# Discover and add all DS18B20 cold ends.
import glob
paths = glob.glob("/sys/bus/w1/devices/28-*/w1_slave")
logging.debug("Found cold ends: " + str(paths))
for i, path in enumerate(paths):
self.printer.cold_ends.append(ColdEnd(path, "ds18b20-" + str(i)))
logging.info("Found Cold end " + str(i) + " on " + 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)
resistance = self.printer.config.getfloat("Heaters",
"resistance_" + e)
self.printer.thermistors[e] = Thermistor(adc, "MOSFET " + e, chart,
resistance)
self.printer.thermistors[e].printer = printer
# 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)
# Min/max settings
self.printer.heaters[e].min_temp = self.printer.config.getfloat(
'Heaters', 'min_temp_' + e)
self.printer.heaters[e].max_temp = self.printer.config.getfloat(
'Heaters', 'max_temp_' + e)
self.printer.heaters[
e].max_temp_rise = self.printer.config.getfloat(
'Heaters', 'max_rise_temp_' + e)
self.printer.heaters[
e].max_temp_fall = self.printer.config.getfloat(
'Heaters', 'max_fall_temp_' + 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 in ["00B1", "00B2", "00B3"]:
self.printer.fans.append(Fan(7))
self.printer.fans.append(Fan(8))
self.printer.fans.append(Fan(9))
self.printer.fans.append(Fan(10))
if printer.config.reach_revision == "00A0":
self.printer.fans.append(Fan(14))
self.printer.fans.append(Fan(15))
self.printer.fans.append(Fan(7))
# Disable all fans
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.get(
"Servos", "servo_" + str(servo_nr) + "_channel")
pulse_min = printer.config.getfloat(
"Servos", "servo_" + str(servo_nr) + "_pulse_min")
pulse_max = printer.config.getfloat(
"Servos", "servo_" + str(servo_nr) + "_pulse_max")
angle_min = printer.config.getfloat(
"Servos", "servo_" + str(servo_nr) + "_angle_min")
angle_max = printer.config.getfloat(
"Servos", "servo_" + str(servo_nr) + "_angle_max")
angle_init = printer.config.getfloat(
"Servos", "servo_" + str(servo_nr) + "_angle_init")
s = Servo(channel, pulse_min, pulse_max, angle_min, angle_max,
angle_init)
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 not self.printer.config.has_option(
'Cold-ends', "connect-therm-{}-fan-{}".format(t, f)):
continue
if printer.config.getboolean(
'Cold-ends', "connect-therm-{}-fan-{}".format(t, f)):
c = Cooler(therm, fan, "Cooler-{}-{}".format(t, f),
True) # Use ON/OFF on these.
c.ok_range = 4
opt_temp = "therm-{}-fan-{}-target_temp".format(t, f)
if printer.config.has_option('Cold-ends', opt_temp):
target_temp = printer.config.getfloat(
'Cold-ends', opt_temp)
else:
target_temp = 60
c.set_target_temperature(target_temp)
c.enable()
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 not self.printer.config.has_option(
'Cold-ends', "add-fan-{}-to-M106".format(i)):
continue
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 colds to fans
for ce, cold_end in enumerate(self.printer.cold_ends):
for f, fan in enumerate(self.printer.fans):
option = "connect-ds18b20-{}-fan-{}".format(ce, f)
if self.printer.config.has_option('Cold-ends', option):
if self.printer.config.getboolean('Cold-ends', option):
c = Cooler(cold_end, fan,
"Cooler-ds18b20-{}-{}".format(ce, f), False)
c.ok_range = 4
opt_temp = "cooler_{}_target_temp".format(ce)
if printer.config.has_option('Cold-ends', opt_temp):
target_temp = printer.config.getfloat(
'Cold-ends', opt_temp)
else:
target_temp = 60
c.set_target_temperature(target_temp)
c.enable()
printer.coolers.append(c)
logging.info(
"Cooler connects temp sensor ds18b20 {} with fan {}"
.format(ce, f))
# Init roatray encs.
printer.filament_sensors = []
# Init rotary encoders
printer.rotary_encoders = []
for ex in ["E", "H", "A", "B", "C"]:
if not printer.config.has_option('Rotary-encoders',
"enable-{}".format(ex)):
continue
if printer.config.getboolean("Rotary-encoders",
"enable-{}".format(ex)):
logging.debug("Rotary encoder {} enabled".format(ex))
event = printer.config.get("Rotary-encoders",
"event-{}".format(ex))
cpr = printer.config.getint("Rotary-encoders",
"cpr-{}".format(ex))
diameter = printer.config.getfloat("Rotary-encoders",
"diameter-{}".format(ex))
r = RotaryEncoder(event, cpr, diameter)
printer.rotary_encoders.append(r)
# Append as Filament Sensor
ext_nr = Path.axis_to_index(ex) - 3
sensor = FilamentSensor(ex, r, ext_nr, printer)
alarm_level = printer.config.getfloat(
"Filament-sensors", "alarm-level-{}".format(ex))
logging.debug("Alarm level" + str(alarm_level))
sensor.alarm_level = alarm_level
printer.filament_sensors.append(sensor)
# 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.min_speeds[i] = printer.config.getfloat(
'Planner', 'min_speed_' + axis.lower())
Path.jerks[i] = printer.config.getfloat('Planner',
'max_jerk_' + 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.printer, "/usr/bin/pasm")
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
# Setting acceleration before PathPlanner init
for axis in printer.steppers.keys():
Path.acceleration[Path.axis_to_index(
axis)] = printer.config.getfloat(
'Planner', 'acceleration_' + axis.lower())
self.printer.path_planner = PathPlanner(self.printer, pru_firmware)
for axis in printer.steppers.keys():
i = Path.axis_to_index(axis)
# 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 Stepper timeout
timeout = printer.config.getint('Steppers', 'timeout_seconds')
printer.swd = StepperWatchdog(printer, timeout)
if printer.config.getboolean('Steppers', 'use_timeout'):
printer.swd.start()
# 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"
)
def make_config_file(self):
# Create a config file
configFile_0 = os.path.join("/tmp", 'config.h')
with open(configFile_0, 'w') as configFile:
# GPIO banks
banks = {"0": 0, "1": 0, "2": 0, "3": 0}
step_banks = {"0": 0, "1": 0, "2": 0, "3": 0}
dir_banks = {"0": 0, "1": 0, "2": 0, "3": 0}
direction_mask = 0
# Define step and dir pins
for name, stepper in self.printer.steppers.iteritems():
step_pin = str(stepper.get_step_pin())
step_bank = str(stepper.get_step_bank())
dir_pin = str(stepper.get_dir_pin())
dir_bank = str(stepper.get_dir_bank())
configFile.write('#define STEPPER_' + name + '_STEP_BANK\t\t' + "STEPPER_GPIO_"+step_bank+'\n')
configFile.write('#define STEPPER_' + name + '_STEP_PIN\t\t' + step_pin+'\n')
configFile.write('#define STEPPER_' + name + '_DIR_BANK\t\t' + "STEPPER_GPIO_"+dir_bank+'\n')
configFile.write('#define STEPPER_' + name + '_DIR_PIN\t\t' + dir_pin+'\n')
# Define direction
direction = "0" if self.config.getint('Steppers', 'direction_' + name) > 0 else "1"
configFile.write('#define STEPPER_'+ name +'_DIRECTION\t\t'+ direction +'\n')
index = Path.axis_to_index(name)
direction_mask |= (int(direction) << index)
# Generate the GPIO bank masks
banks[step_bank] |= (1<<int(step_pin))
banks[dir_bank] |= (1<<int(dir_pin))
step_banks[step_bank] |= (1<<int(step_pin))
dir_banks[dir_bank] |= (1<<int(dir_pin))
configFile.write('#define DIRECTION_MASK '+bin(direction_mask)+'\n')
configFile.write('\n')
# Define end stop pins and banks
for name, endstop in self.printer.end_stops.iteritems():
bank, pin = endstop.get_gpio_bank_and_pin()
configFile.write('#define STEPPER_'+ name +'_END_PIN\t\t'+ str(pin) +'\n')
configFile.write('#define STEPPER_'+ name +'_END_BANK\t\t'+ "GPIO_"+str(bank) +'_IN\n')
configFile.write('\n')
# Construct the end stop inversion mask
inversion_mask = "#define INVERSION_MASK\t\t0b00"
for name in ["Z2", "Y2", "X2", "Z1", "Y1", "X1"]:
inversion_mask += "1" if self.config.getboolean('Endstops', 'invert_' + name) else "0"
configFile.write(inversion_mask + "\n");
# Construct the endstop lookup table.
for name, endstop in self.printer.end_stops.iteritems():
mask = 0
# stepper name is x_cw or x_ccw
option = 'end_stop_' + name + '_stops'
for stepper in self.config.get('Endstops', option).split(","):
stepper = stepper.strip()
if stepper == "":
continue
m = re.search('^([xyzehabc])_(ccw|cw|pos|neg)$', stepper)
if (m == None):
raise RuntimeError("'" + stepper + "' is invalid for " + option)
# direction should be 1 for normal operation and -1 to invert the stepper.
if (m.group(2) == "pos"):
direction = -1
elif (m.group(2) == "neg"):
direction = 1
else:
direction = 1 if self.config.getint('Steppers', 'direction_' + stepper[0]) > 0 else -1
if (m.group(2) == "ccw"):
direction *= -1
cur = 1 << ("xyzehabc".index(m.group(1)))
if (direction == -1):
cur <<= 8
mask += cur
bin_mask = "0b"+(bin(mask)[2:]).zfill(16)
configFile.write("#define STEPPER_MASK_" + name + "\t\t" + bin_mask + "\n")
configFile.write("\n");
# Put each dir and step pin in the proper buck if they are for GPIO0 or GPIO1 bank.
# This is a restriction due to the limited capabilities of the pasm preprocessor.
for name, bank in banks.iteritems():
#bank = (~bank & 0xFFFFFFFF)
configFile.write("#define GPIO"+name+"_MASK\t\t" +bin(bank)+ "\n");
#for name, bank in step_banks.iteritems():
#bank = (~bank & 0xFFFFFFFF)
# configFile.write("#define GPIO"+name+"_STEP_MASK\t\t" +bin(bank)+ "\n");
for name, bank in dir_banks.iteritems():
#bank = (~bank & 0xFFFFFFFF)
configFile.write("#define GPIO"+name+"_DIR_MASK\t\t" +bin(bank)+ "\n");
configFile.write("\n");
# Add end stop delay to the config file
end_stop_delay = self.config.getint('Endstops', 'end_stop_delay_cycles')
configFile.write("#define END_STOP_DELAY " +str(end_stop_delay)+ "\n");
return configFile_0
def _home_internal(self, axis):
""" Private method for homing a set or a single axis """
logging.debug("homing internal " + str(axis))
path_search = {}
path_backoff = {}
path_fine_search = {}
path_center = {}
path_zero = {}
speed = Path.home_speed[0]
for a in axis:
if not self.printer.steppers[a].has_endstop:
logging.debug("Skipping homing for " + str(a))
continue
logging.debug("Doing homing for " + str(a))
if Path.home_speed[Path.axis_to_index(a)] < 0:
# Search to positive ends
path_search[a] = self.travel_length[a]
path_center[a] = self.center_offset[a]
else:
# Search to negative ends
path_search[a] = -self.travel_length[a]
path_center[a] = -self.center_offset[a]
backoff_length = -np.sign(
path_search[a]) * Path.home_backoff_offset[Path.axis_to_index(
a)]
path_backoff[a] = backoff_length
path_fine_search[a] = -backoff_length * 1.2
speed = min(abs(speed),
abs(Path.home_speed[Path.axis_to_index(a)]))
fine_search_speed = min(
abs(speed),
abs(Path.home_backoff_speed[Path.axis_to_index(a)]))
logging.debug("axis: " + str(a))
logging.debug("Search: %s" % path_search)
logging.debug("Backoff to: %s" % path_backoff)
logging.debug("Fine search: %s" % path_fine_search)
logging.debug("Center: %s" % path_center)
# Move until endstop is hit
p = RelativePath(path_search, speed, True, False, True, False)
self.add_path(p)
self.wait_until_done()
# Reset position to offset
p = G92Path(path_center, speed)
self.add_path(p)
self.wait_until_done()
# Back off a bit
p = RelativePath(path_backoff, speed, True, False, True, False)
self.add_path(p)
# Hit the endstop slowly
p = RelativePath(path_fine_search, fine_search_speed, True, False,
True, False)
self.add_path(p)
self.wait_until_done()
# Reset (final) position to offset
p = G92Path(path_center, speed)
self.add_path(p)
return path_center, speed
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", "00B2"]:
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)
elif self.revision == "00B2":
# Init the 5 Stepper motors (step, dir, fault, DAC channel, name)
printer.steppers["X"] = Stepper_00B2("GPIO0_27", "GPIO1_29", "GPIO2_4" , 11, 0, "X", 0, 0)
printer.steppers["Y"] = Stepper_00B2("GPIO1_12", "GPIO0_22", "GPIO2_5" , 12, 1, "Y", 1, 1)
printer.steppers["Z"] = Stepper_00B2("GPIO0_23", "GPIO0_26", "GPIO0_15", 13, 2, "Z", 2, 2)
printer.steppers["E"] = Stepper_00B2("GPIO1_28", "GPIO1_15", "GPIO2_1" , 14, 3, "E", 3, 3)
printer.steppers["H"] = Stepper_00B2("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()
Stepper.printer = printer
# 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()
# Discover and add all DS18B20 cold ends.
import glob
paths = glob.glob("/sys/bus/w1/devices/28-*/w1_slave")
logging.debug("Found cold ends: "+str(paths))
for i, path in enumerate(paths):
self.printer.cold_ends.append(ColdEnd(path, "ds18b20-"+str(i)))
logging.info("Found Cold end "+str(i)+" on " + 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)
resistance = self.printer.config.getfloat("Heaters", "resistance_"+e)
self.printer.thermistors[e] = Thermistor(adc, "MOSFET "+e, chart, resistance)
self.printer.thermistors[e].printer = printer
# 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 in ["00B1", "00B2"]:
self.printer.fans.append(Fan(7))
self.printer.fans.append(Fan(8))
self.printer.fans.append(Fan(9))
self.printer.fans.append(Fan(10))
# Disable all fans
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.get("Servos", "servo_"+str(servo_nr)+"_channel")
angle_init = printer.config.getint("Servos", "servo_"+str(servo_nr)+"_angle_init")
s = Servo(channel, 0.1, 0.2, angle_init)
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 colds to fans
for ce, cold_end in enumerate(self.printer.cold_ends):
for f, fan in enumerate(self.printer.fans):
option = "connect-ds18b20-{}-fan-{}".format(ce, f)
if self.printer.config.has_option('Cold-ends', option):
if self.printer.config.getboolean('Cold-ends', option):
c = Cooler(cold_end, fan, "Cooler-ds18b20-{}-{}".format(ce, f), False)
c.ok_range = 4
c.set_target_temperature(60)
c.enable()
self.printer.coolers.append(c)
logging.info("Cooler connects temp sensor ds18b20 {} with fan {}".format(ce, f))
# 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
# Setting acceleration before PathPlanner init
for axis in printer.steppers.keys():
printer.acceleration[Path.axis_to_index(axis)] = printer.config.getfloat(
'Planner', 'acceleration_' + axis.lower())
self.printer.path_planner = PathPlanner(self.printer, pru_firmware)
for axis in printer.steppers.keys():
i = Path.axis_to_index(axis)
# 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))
if Path.axis_config == Path.AXIS_CONFIG_SCARA:
if travel_default:
logging.warning("Axis travel (travel_*) set by soft limits, manual setup is recommended for a scara")
if center_default:
logging.warning("Axis offsets (offset_*) set by soft limits, manual setup is recommended for a scara")
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
#A = printer.path_planner.home_pos['X']
#B = printer.path_planner.home_pos['Y']
#C = printer.path_planner.home_pos['Z']
#z_offset = Delta.vertical_offset(Az,Bz,Cz) # vertical offset
#xyz = Scara.forward_kinematics(A, B, C) # effector position
# don't cpnvert home_pos to effector spac
# home offset is defined in cartesian space
xyz = np.array([printer.path_planner.home_pos['X'],printer.path_planner.home_pos['Y'],printer.path_planner.home_pos['Z']])
# 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")
