PassiveMotor¶
LEGO® TECHNIC™ motors which do not have an integrated rotation sensor (encoder).
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- class buildhat.PassiveMotor(port)¶
Passive Motor device
- Parameters:
port – Port of device
- Raises:
DeviceError – Occurs if there is no passive motor attached to port
- bias(bias)¶
Bias motor
- Parameters:
bias – Value 0 to 1
- Raises:
MotorError – Occurs if invalid bias value passed
Deprecated since version 0.6.0.
- callback(func)¶
Set callback function
- Parameters:
func – Callback function
- property connected¶
Whether device is connected or not
- Returns:
Connection status
- static desc_for_id(typeid)¶
Translate integer type id to something more descriptive than the device name
- Parameters:
typeid – Type of device
- Returns:
Description of device
- property description¶
Device on port info
- Returns:
Device description
- deselect()¶
Unselect data from mode
- get()¶
Extract information from device
- Returns:
Data from device
- Raises:
DeviceError – Occurs if device not in valid mode
- property interval¶
Interval between data points in milliseconds
- Getter:
Gets interval
- Setter:
Sets interval
- Returns:
Device interval
- Return type:
int
- isconnected()¶
Whether it is connected or not
- Raises:
DeviceError – Occurs if device no longer the same
- mode(modev)¶
Set combimode or simple mode
- Parameters:
modev – List of tuples for a combimode, or integer for simple mode
- property name¶
Determine name of device on port
- Returns:
Device name
- static name_for_id(typeid)¶
Translate integer type id to device name (python class)
- Parameters:
typeid – Type of device
- Returns:
Name of device
- off()¶
Turn off sensor
- on()¶
Turn on sensor
- plimit(plimit)¶
Limit power
- Parameters:
plimit – Value 0 to 1
- Raises:
MotorError – Occurs if invalid plimit value passed
- reverse()¶
Reverse polarity
- select()¶
Request data from mode
- Raises:
DeviceError – Occurs if device not in valid mode
- set_default_speed(default_speed)¶
Set the default speed of the motor
- Parameters:
default_speed – Speed ranging from -100 to 100
- Raises:
MotorError – Occurs if invalid speed passed
- start(speed=None)¶
Start motor
- Parameters:
speed – Speed ranging from -100 to 100
- Raises:
MotorError – Occurs if invalid speed passed
- stop()¶
Stop motor
- property typeid¶
Type ID of device
- Returns:
Type ID
- property typeidcur¶
Type ID currently present
- Returns:
Type ID
Example¶
"""Passive motor example"""
import time
from buildhat import PassiveMotor
motor = PassiveMotor('A')
print("Start motor")
motor.start()
time.sleep(3)
print("Stop motor")
motor.stop()