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import struct
class PackageType(object):
ROBOT_MODE_DATA = 0
JOINT_DATA = 1
TOOL_DATA = 2
MASTERBOARD_DATA = 3
CARTESIAN_INFO = 4
KINEMATICS_INFO = 5
CONFIGURATION_DATA = 6
class RobotMode(object):
RUNNING = 0
FREEDRIVE = 1
READY = 2
INITIALIZING = 3
SECURITY_STOPPED = 4
EMERGENCY_STOPPED = 5
FATAL_ERROR = 6
NO_POWER = 7
NOT_CONNECTED = 8
SHUTDOWN = 9
SAFEGUARD_STOP = 10
class JointMode(object):
PART_D_CALIBRATION = 237
BACKDRIVE = 238
POWER_OFF = 239
EMERGENCY_STOPPED = 240
CALVAL_INITIALIZATION = 241
ERROR = 242
FREEDRIVE = 243
SIMULATED = 244
NOT_RESPONDING = 245
MOTOR_INITIALISATION = 246
ADC_CALIBRATION = 247
DEAD_COMMUTATION = 248
BOOTLOADER = 249
CALIBRATION = 250
STOPPED = 251
FAULT = 252
RUNNING = 253
INITIALIZATION = 254
IDLE = 255
class ToolMode(object):
BOOTLOADER = 249
RUNNING = 253
IDLE = 255
class MasterSafetyState(object):
UNDEFINED = 0
BOOTLOADER = 1
FAULT = 2
BOOTING = 3
INITIALIZING = 4
ROBOT_EMERGENCY_STOP = 5
EXTERNAL_EMERGENCY_STOP = 6
SAFEGUARD_STOP = 7
OK = 8
class MasterOnOffState(object):
OFF = 0
TURNING_ON = 1
ON = 2
TURNING_OFF = 3
class RobotModeData(object):
__slots__ = ['timestamp', 'robot_connected', 'real_robot_enabled',
'power_on_robot', 'emergency_stopped',
'security_stopped', 'program_running', 'program_paused',
'robot_mode', 'speed_fraction']
@staticmethod
def unpack(buf):
rmd = RobotModeData()
(_, _,
rmd.timestamp, rmd.robot_connected, rmd.real_robot_enabled,
rmd.power_on_robot, rmd.emergency_stopped, rmd.security_stopped,
rmd.program_running, rmd.program_paused, rmd.robot_mode,
rmd.speed_fraction) = struct.unpack_from("!IBQ???????Bd", buf)
return rmd
class JointData(object):
__slots__ = ['q_actual', 'q_target', 'qd_actual',
'I_actual', 'V_actual', 'T_motor', 'T_micro', 'joint_mode']
@staticmethod
def unpack(buf):
all_joints = []
offset = 5
for i in range(6):
jd = JointData()
(jd.q_actual, jd.q_target, jd.qd_actual, jd.I_actual, jd.V_actual,
jd.T_motor, jd.T_micro,
jd.joint_mode) = struct.unpack_from("!dddffffB", buf, offset)
offset += 41
all_joints.append(jd)
return all_joints
class ToolData(object):
__slots__ = ['analog_input_range2', 'analog_input_range3',
'analog_input2', 'analog_input3',
'tool_voltage_48V', 'tool_output_voltage', 'tool_current',
'tool_temperature', 'tool_mode']
@staticmethod
def unpack(buf):
td = ToolData()
(_, _,
td.analog_input_range2, td.analog_input_range3,
td.analog_input2, td.analog_input3,
td.tool_voltage_48V, td.tool_output_voltage, td.tool_current,
td.tool_temperature, td.tool_mode) = struct.unpack_from("!IBbbddfBffB", buf)
return td
class MasterboardData(object):
__slots__ = ['digital_input_bits', 'digital_output_bits',
'analog_input_range0', 'analog_input_range1',
'analog_input0', 'analog_input1',
'analog_output_domain0', 'analog_output_domain1',
'analog_output0', 'analog_output1',
'masterboard_temperature',
'robot_voltage_48V', 'robot_current',
'master_io_current', 'master_safety_state',
'master_onoff_state']
@staticmethod
def unpack(buf):
md = MasterboardData()
(_, _,
md.digital_input_bits, md.digital_output_bits,
md.analog_input_range0, md.analog_input_range1,
md.analog_input0, md.analog_input1,
md.analog_output_domain0, md.analog_output_domain1,
md.analog_output0, md.analog_output1,
md.masterboard_temperature,
md.robot_voltage_48V, md.robot_current,
md.master_io_current, md.master_safety_state,
md.master_onoff_state) = struct.unpack_from("!IBhhbbddbbddffffBB", buf)
return md
class CartesianInfo(object):
__slots__ = ['x', 'y', 'z', 'rx', 'ry', 'rz']
@staticmethod
def unpack(buf):
ci = CartesianInfo()
(_, _,
ci.x, ci.y, ci.z, ci.rx, ci.ry, ci.rz) = struct.unpack_from("!IB6d", buf)
return ci
class KinematicsInfo(object):
@staticmethod
def unpack(buf):
return KinematicsInfo()
class JointLimitData(object):
__slots__ = ['min_limit', 'max_limit', 'max_speed', 'max_acceleration']
class ConfigurationData(object):
__slots__ = ['joint_limit_data',
'v_joint_default', 'a_joint_default',
'v_tool_default', 'a_tool_default', 'eq_radius',
'dh_a', 'dh_d', 'dh_alpha', 'dh_theta',
'masterboard_version', 'controller_box_type',
'robot_type', 'robot_subtype']
@staticmethod
def unpack(buf):
cd = ConfigurationData()
cd.joint_limit_data = []
for i in range(6):
jld = JointLimitData()
(jld.min_limit, jld.max_limit) = struct.unpack_from("!dd", buf, 5+16*i)
(jld.max_speed, jld.max_acceleration) = struct.unpack_from("!dd", buf, 5+16*6+16*i)
cd.joint_limit_data.append(jld)
(cd.v_joint_default, cd.a_joint_default, cd.v_tool_default, cd.a_tool_default,
cd.eq_radius) = struct.unpack_from("!ddddd", buf, 5+32*6)
(cd.masterboard_version, cd.controller_box_type, cd.robot_type,
cd.robot_subtype) = struct.unpack_from("!iiii", buf, 5+32*6+5*8+6*32)
return cd
class RobotState(object):
__slots__ = ['robot_mode_data', 'joint_data', 'tool_data',
'masterboard_data', 'cartesian_info',
'kinematics_info', 'configuration_data']
def __init__(self):
pass
@staticmethod
def unpack(buf):
length, mtype = struct.unpack_from("!IB", buf)
assert length == len(buf)
assert mtype == 16
rs = RobotState()
offset = 5
while offset < len(buf):
length, ptype = struct.unpack_from("!IB", buf, offset)
assert offset + length <= len(buf)
package_buf = buffer(buf, offset, length)
offset += length
if ptype == PackageType.ROBOT_MODE_DATA:
rs.robot_mode_data = RobotModeData.unpack(package_buf)
elif ptype == PackageType.JOINT_DATA:
rs.joint_data = JointData.unpack(package_buf)
elif ptype == PackageType.TOOL_DATA:
rs.tool_data = ToolData.unpack(package_buf)
elif ptype == PackageType.MASTERBOARD_DATA:
rs.masterboard_data = MasterboardData.unpack(package_buf)
elif ptype == PackageType.CARTESIAN_INFO:
rs.cartesian_info = CartesianInfo.unpack(package_buf)
elif ptype == PackageType.KINEMATICS_INFO:
rs.kinematics_info = KinematicsInfo.unpack(package_buf)
elif ptype == PackageType.CONFIGURATION_DATA:
rs.configuration_data = ConfigurationData.unpack(package_buf)
else:
raise Exception("Unknown package type: %i" % ptype)
return rs
def pstate(o, indent=''):
for s in o.__slots__:
child = getattr(o, s, None)
if child is None:
print "%s%s: None" % (indent, s)
elif hasattr(child, '__slots__'):
print "%s%s:" % (indent, s)
pstate(child, indent + ' ')
elif hasattr(child, '__iter__'):
print "%s%s:" % (indent, s)
for i, c in enumerate(child):
print "%s [%i]:" % (indent, i)
pstate(c, indent + ' ')
else:
print "%s%s: %s" % (indent, s, child)