How elemprod/lv5250 works
lv5250 is a Python control library for the LabVolt 5250 robotic arm. Users can operate it through the included Pygame remote or Tkinter arm-port examples; the runtime manager turns requested motion and control operations into queued serial commands, while processing arm responses into current state. The model separates commanded and observed axis positions, with configured count/angle conversion and motion limits. The excerpts support the manager/transport callback and state-update relationships shown; the example source and some manager implementation are unsampled, so their internal wiring is not expanded.
Main entry points: arm_manager.py Arm Manager · axises.py Axis Collection · arm_uart.py UART Queue & Callbacks · arm_remote.py Pygame Remote
Components 13
Example Interfaces
- Pygame Remote
examples/pygame/arm_remote/arm_remote.py - Tkinter Port
examples/tkinter/arm_port/arm_port.py
Arm Control
- Arm Manager
lv5250/arm_manager.py - Motion Commands
lv5250/arm_manager.py - Status & Home
lv5250/arm_manager.py
Arm Model
- Arm State
lv5250/arm.py - Axis Collection
lv5250/axises.py - Axis Conversion & Limits
lv5250/axis.py - Arm Configuration
lv5250/arm_config.py
Serial Transport
- UART Queue & Callbacks
lv5250/arm_uart.py - Serial Port
lv5250/arm_uart.py
Other components
- Operator
- LabVolt Arm
Connections 16
- Operator → Pygame Remote: operates
- Operator → Tkinter Port: operates
- Pygame Remote → Arm Manager: requests control
- Tkinter Port → Arm Manager: requests control
- Arm Manager → Motion Commands: exposes
- Arm Manager → Status & Home: exposes
- Arm Manager → UART Queue & Callbacks: enqueues commands
- UART Queue & Callbacks → Serial Port: reads and writes
- Serial Port → LabVolt Arm: exchanges commands
- LabVolt Arm → Serial Port: returns responses
- UART Queue & Callbacks → Arm Manager: invokes callbacks
- Arm Manager → Arm State: updates state
- Arm State → Axis Collection: holds positions
- Axis Collection → Axis Conversion & Limits: creates axes
- Axis Collection → Arm Configuration: uses constants
- Axis Conversion & Limits → Arm Configuration: uses limits