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Implement Python WebSocket client for VEX Extension telemetry monitoring #39
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Co-authored-by: Voidless7125 <[email protected]>
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Pull Request Overview
This PR introduces a comprehensive Python WebSocket client to monitor VEX robot telemetry while enhancing motor data logging in the robot’s C++ code.
- Implements a Python WebSocket client with real-time telemetry parsing, CSV logging, and a command-line interface.
- Adds advanced motor data analysis via an extended client and includes a full test suite and documentation updates.
Reviewed Changes
Copilot reviewed 7 out of 7 changed files in this pull request and generated 2 comments.
Show a summary per file
File | Description |
---|---|
websocket_client.py | Implements the WebSocket client with real-time telemetry parsing, data logging, and error handling. |
test_websocket_client.py | Provides tests simulating telemetry messages to validate parsing functionality. |
src/functions.cpp | Enhances the motorMonitor() function to log detailed motor data using modern C++ formatting. |
example_usage.py | Demonstrates advanced analysis by extending the WebSocket client for custom telemetry processing. |
WEBSOCKET_README.md | Updates documentation covering installation, usage, data formats, and troubleshooting guidance. |
# Run forever with reconnection logic | ||
while True: | ||
try: | ||
self.ws.run_forever() | ||
except KeyboardInterrupt: | ||
logger.info("Interrupted by user") | ||
break | ||
except Exception as e: | ||
logger.error(f"Connection error: {e}") | ||
logger.info("Attempting to reconnect in 5 seconds...") | ||
time.sleep(5) |
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Consider adding a maximum retry limit or exponential backoff for reconnection attempts to avoid potential endless loops in case of persistent connection failures.
# Run forever with reconnection logic | |
while True: | |
try: | |
self.ws.run_forever() | |
except KeyboardInterrupt: | |
logger.info("Interrupted by user") | |
break | |
except Exception as e: | |
logger.error(f"Connection error: {e}") | |
logger.info("Attempting to reconnect in 5 seconds...") | |
time.sleep(5) | |
# Run with reconnection logic, including retry limit and exponential backoff | |
max_retries = 10 # Maximum number of reconnection attempts | |
retry_count = 0 | |
backoff = 5 # Initial backoff in seconds | |
max_backoff = 60 # Maximum backoff in seconds | |
while retry_count < max_retries: | |
try: | |
self.ws.run_forever() | |
retry_count = 0 # Reset retry count on successful connection | |
except KeyboardInterrupt: | |
logger.info("Interrupted by user") | |
break | |
except Exception as e: | |
retry_count += 1 | |
logger.error(f"Connection error: {e}") | |
if retry_count >= max_retries: | |
logger.error("Maximum retry limit reached. Exiting.") | |
break | |
logger.info(f"Attempting to reconnect in {backoff} seconds (Retry {retry_count}/{max_retries})...") | |
time.sleep(backoff) | |
backoff = min(backoff * 2, max_backoff) # Exponential backoff with cap |
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logHandler("motorMonitor", motorTempsStr, Log::Level::Info); | ||
|
||
// Log detailed motor data including RPM, current, and position | ||
std::array motors = {&frontLeftMotor, &frontRightMotor, &rearLeftMotor, &rearRightMotor}; |
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[nitpick] Explicitly specify the type for std::array (e.g., std::array<Motor*, 4>) for improved clarity and compatibility, even if type deduction is available in newer C++ standards.
std::array motors = {&frontLeftMotor, &frontRightMotor, &rearLeftMotor, &rearRightMotor}; | |
std::array<Motor*, 4> motors = {&frontLeftMotor, &frontRightMotor, &rearLeftMotor, &rearRightMotor}; |
Copilot uses AI. Check for mistakes.
This PR implements a comprehensive Python WebSocket client that connects to the VEX Extension's WebSocket server to receive real-time telemetry data from VEX robots, including motor temperatures, RPM, battery voltage, and gyro data.
Key Features
🔌 WebSocket Client (
websocket_client.py
)ws://localhost:7071/vexrobotics.vexcode/device
printf()
output📊 Enhanced Motor Monitoring
Enhanced the C++
motorMonitor()
function to output detailed motor data:🎯 Data Processing
Usage Examples
Sample Output
Files Added
websocket_client.py
: Main WebSocket client with full feature setexample_usage.py
: Advanced usage example with real-time analysistest_websocket_client.py
: Comprehensive test suiterequirements.txt
: Python dependenciesWEBSOCKET_README.md
: Complete documentation and usage guideTesting
All functionality is thoroughly tested without requiring live VEX hardware:
python3 test_websocket_client.py # ✅ All tests passed!
The implementation follows the exact WebSocket URL format specified in the issue (
ws://localhost:7071/vexrobotics.vexcode/device
) and provides the requested RPM data along with comprehensive motor telemetry monitoring.Fixes #32.
Warning
Firewall rules blocked me from connecting to one or more addresses
I tried to connect to the following addresses, but was blocked by firewall rules:
http://168.63.129.16:80/machine/
/usr/bin/python3 -u bin/WALinuxAgent-2.13.1.1-py3.9.egg -collect-logs
(http block)If you need me to access, download, or install something from one of these locations, you can either:
💡 You can make Copilot smarter by setting up custom instructions, customizing its development environment and configuring Model Context Protocol (MCP) servers. Learn more Copilot coding agent tips in the docs.