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ecs_logger.py
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ecs_logger.py
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# Jack Hester for AeroNU
import asyncio
import websockets
import json
import csv
import os
import time
from tkinter import Tk, Label, Button, Entry, filedialog, StringVar
import threading
class LoggerApp:
def __init__(self, master):
self.master = master
master.title("AeroNU Propulsion Logger")
self.start_button = Button(master, text="Start Logging", command=self.start_logging)
self.stop_button = Button(master, text="Stop Logging", command=self.stop_logging, state='disabled')
self.new_file_button = Button(master, text="Split New File", command=self.new_file, state='disabled')
self.choose_directory_button = Button(master, text="Choose Directory", command=self.choose_directory)
self.address_label = Label(master, text="Address")
self.address_var = StringVar(value='ecs-sim-pi.local:9002')
self.address_entry = Entry(master, textvariable=self.address_var)
self.file_count_label = Label(master, text="JSON files received: 0")
self.blankspace = Label(master, text="")
self.blankspace_2 = Label(master, text="")
self.blankspace_3 = Label(master, text="")
self.blankspace_4 = Label(master, text="")
# make layout a little nicer
self.blankspace.grid(row=0,column=0,columnspan=3)
self.blankspace_2.grid(row=2,column=0,columnspan=3)
self.blankspace_3.grid(row=6,column=0,columnspan=3)
self.blankspace_4.grid(row=4, column=0, columnspan=3)
self.start_button.grid(row=5, column=0)
self.stop_button.grid(row=5, column=2)
self.new_file_button.grid(row=5, column=4)
self.choose_directory_button.grid(row=3, column=0)
self.address_label.grid(row=1, column=0)
self.address_entry.grid(row=1, column=1, columnspan=2)
self.file_count_label.grid(row=7, column=0, columnspan=2)
self.save_directory = None
self.is_logging = False
self.file_count = 0
self.csv_file = None
self.csv_writer = None
self.header_written = False
self.last_gui_update_time = 0
# used for toggling close button on/off
def disable_close_button(self):
pass
def enable_close_button(self):
self.master.destroy()
def start_logging(self):
if not self.save_directory:
self.choose_directory()
self.master.protocol("WM_DELETE_WINDOW", self.disable_close_button)
if self.save_directory:
self.is_logging = True
self.start_button.config(state='disabled')
self.stop_button.config(state='normal')
self.new_file_button.config(state='normal')
self.address = self.address_var.get()
self.csv_file, self.csv_writer = self.create_csv_file()
self.worker_thread = threading.Thread(target=self.start_websocket, daemon=True)
self.worker_thread.start()
def stop_logging(self):
self.is_logging = False
self.master.protocol("WM_DELETE_WINDOW", self.enable_close_button)
self.start_button.config(state='normal')
self.stop_button.config(state='disabled')
self.new_file_button.config(state='disabled')
if self.csv_file:
self.csv_file.close()
def new_file(self):
if self.csv_file:
self.csv_file.close()
self.csv_file, self.csv_writer = self.create_csv_file()
self.header_written = False
def choose_directory(self):
self.save_directory = filedialog.askdirectory()
def create_csv_file(self):
file_name = os.path.join(self.save_directory, f"logger_{time.strftime('%m-%d-%Y_%H-%M-%S', time.localtime( int(time.time()) ))}.csv")
csv_file = open(file_name, 'w', newline='')
csv_writer = csv.writer(csv_file)
return csv_file, csv_writer
def start_websocket(self):
asyncio.run(self.connect())
async def connect(self):
uri = f"ws://{self.address}"
print("Connecting to: ", uri)
async with websockets.connect(uri) as websocket:
while self.is_logging:
data = await websocket.recv()
json_data = json.loads(data)
self.process_data(json_data)
# This is where we get handle the ECS json reports. You'll want to update this if you start getting interesting info other than the items (e.g., loadcellsensors, aborts, etc.) below
def process_data(self, json_data):
if json_data['command'] == 'DATA':
data = json_data['data']
load_cells = {f"{k}_sensorReading": v['sensorReading'] for k, v in data['loadCellSensors'].items()}
pressure_sensors = {f"{k}_sensorReading": v['sensorReading'] for k, v in data['pressureSensors'].items()}
temp_sensors = {f"{k}_sensorReading": v['sensorReading'] for k, v in data['tempSensors'].items()}
valves = {k: v['valveState'] for k, v in data['valves'].items()}
other_data = {
'timestamp': json_data['timeStamp'],
# 'currentState': json_data['currentState'],
# 'engineSequence': json_data['engineSequence'],
# 'sequenceProgress': json_data['sequenceProgress'],
# 'recordedAbort': json_data['recordedAbort']
}
row_data = {**load_cells, **pressure_sensors, **temp_sensors, **valves, **other_data}
if not self.header_written:
self.csv_writer.writerow(row_data.keys())
self.header_written = True
self.csv_writer.writerow(row_data.values())
self.csv_file.flush()
# only upate the GUI with json report count at 2Hz (time.time is in *seconds* not ms)
self.file_count += 1
if(time.time() - self.last_gui_update_time > 0.5):
self.file_count_label.config(text=f"JSON reports received: {self.file_count}")
self.last_gui_update_time = time.time()
if __name__ == "__main__":
root = Tk()
root.geometry("600x400")
app = LoggerApp(root)
root.mainloop()