Added hmi project

This commit is contained in:
AzureAD\AniketSaha 2025-07-07 12:22:14 +02:00
commit f411d715d8
4 changed files with 2871 additions and 0 deletions

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classCAN.py Normal file
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import threading
import canopen
import time
class CANBackend:
def __init__(self):
self.network = None
self.node = None
self.connected = False
self.latest_data = {}
self.lock = threading.Lock()
# Initialize thread-related attributes
self.polling_thread = None
self.polling_active = False
def connect(self, node_id, eds_path):
try:
self.network = canopen.Network()
self.network.connect(bustype='socketcan', channel='can0', bitrate=250000)
self.node = canopen.RemoteNode(node_id, eds_path)
self.network.add_node(self.node)
self.node.nmt.state = 'PRE-OPERATIONAL'
self.connected = True
self.latest_data = {}
# Start polling thread
self._start_sdo_polling()
return True
except Exception as e:
print(f"[CAN ERROR] {e}")
self.connected = False
return False
def _start_sdo_polling(self):
if self.polling_thread and self.polling_thread.is_alive():
return # Already running
self.polling_active = True
self.polling_thread = threading.Thread(target=self._sdo_polling_loop, daemon=True)
self.polling_thread.start()
def _sdo_polling_loop(self):
while self.polling_active:
with self.lock:
try:
fm2 = self.node.sdo[0x2004][2].raw
ps1 = self.node.sdo[0x2005][1].raw
self.latest_data["FM2"] = fm2/100
self.latest_data["PS1"] = ps1/1000
print(f"[SDO POLL] FM2: {fm2}, PS1: {ps1}")
except Exception as e:
print(f"[SDO POLL ERROR] {e}")
time.sleep(1.0)
def get_latest_data(self):
with self.lock:
return self.latest_data.copy()
def send_state_command(self, state: str, pu_number: int):
if not self.connected:
raise RuntimeError("CAN not connected")
state_map = {
"IDLE": 0,
"PRODUCTION": 1,
"MAINTENANCE": 3,
"EMERGENCY_STOP": 4,
"FIRST_START": 5
}
if state not in state_map:
raise ValueError(f"Invalid state: {state}")
try:
print(f"[DEBUG] Writing state {state_map[state]} to index 0x2024, subindex {pu_number}")
self.node.sdo[0x2024][0x01].raw = state_map[state]
except Exception as e:
print(f"[SDO WRITE ERROR] Failed to write to 0x2024:{pu_number} - {e}")
raise
def send_thermal_loop_cleaning(self, mode: str):
if not self.connected:
raise RuntimeError("Not connected to CAN")
mode_map = {
"IDLE": 0,
"ACTIVE": 1
}
if mode not in mode_map:
raise ValueError(f"Invalid thermal loop mode: {mode}")
self.node.sdo[0x2024][0x01].raw = mode_map[mode]
def shutdown(self):
self.polling_active = False
if self.network:
self.network.disconnect()
self.connected = False

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eds_file/processBoard_0.eds Normal file

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main.py Normal file
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from fastapi import FastAPI, HTTPException
from fastapi.staticfiles import StaticFiles
from fastapi.responses import HTMLResponse
import logging
from classCAN import CANBackend # Your real backend
app = FastAPI()
logging.basicConfig(level=logging.INFO)
can_backend = CANBackend()
# Serve static files (HTML, JS, CSS)
app.mount("/static", StaticFiles(directory="static"), name="static")
@app.post("/connect_toggle")
def connect_toggle():
"""Toggle CAN connection."""
logging.info("Toggling CAN connection...")
if can_backend.connected:
can_backend.shutdown()
return {"connected": False}
else:
success = can_backend.connect(
node_id=0x02,
eds_path=r"/eds_file/processBoard_0.eds"
)
if not success:
raise HTTPException(status_code=500, detail="Connection failed.")
return {"connected": True}
@app.post("/command/{state}/pu/{pu_number}")
def send_command(state: str, pu_number: int):
"""Send a state command to a specific PU."""
logging.info(f"Sending state '{state}' to PU {pu_number}")
try:
can_backend.send_state_command(state.upper(), pu_number)
return {"status": "success", "command": state.upper(), "pu": pu_number}
except Exception as e:
raise HTTPException(status_code=500, detail=str(e))
@app.get("/monitor")
def get_monitor_data():
data = can_backend.get_latest_data()
print(f"[MONITOR] Latest SDO: {data}")
return {
"Qperm": [0.0, data.get("FM2", 0.0), 0.0],
"Pdilute": [data.get("PS1", 0.0), 0.0, 0.0],
"Conductivity": [0.0, 0.0, 0.0],
"Pro": [0.0, 0.0, 0.0],
}
#
# @app.get("/monitor")
# def get_monitor_values():
# """
# Returns current machine monitoring data.
# Expected structure:
# Q_perm: [Q1, Q2, Q3]
# Pdilute: [P1, P2, P3]
# Conductivity: [C1, C2, C3]
# Pro: [PR1, PR2, PR3]
# """
# try:
# return {
# "Q_perm": can_backend.get_q_perm(),
# "Pdilute": can_backend.get_pdilute(),
# "Conductivity": can_backend.get_conductivity(),
# "Pro": can_backend.get_pro(),
# }
# except Exception as e:
# raise HTTPException(status_code=500, detail=str(e))
@app.get("/can_status")
def can_status():
"""Return current CAN connection status."""
return {"connected": can_backend.connected}
@app.get("/", response_class=HTMLResponse)
async def read_root():
"""Serve main HTML page."""
with open("static/index.html", "r") as file:
return HTMLResponse(content=file.read(), status_code=200)
if __name__ == "__main__":
import uvicorn
uvicorn.run(
"main:app",
host="0.0.0.0",
port=8000,
reload=True,
reload_dirs=["."],
)

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static/index.html Normal file
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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Hydraulic Machine Control</title>
<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/6.0.0-beta3/css/all.min.css">
<style>
body {
font-family: Arial, sans-serif;
margin: 0;
padding: 0;
display: flex;
flex-direction: column;
height: 100vh;
background-color: #f4f4f9;
}
.header {
background-color: #333;
padding: 10px;
text-align: center;
}
.connect-button {
background-color: #ff4444;
color: white;
border: none;
padding: 10px 20px;
font-size: 16px;
cursor: pointer;
border-radius: 5px;
transition: background-color 0.3s;
}
.connected {
background-color: #00C851;
}
.container {
display: flex;
flex: 1;
}
.left-panel, .right-panel {
flex: 1;
padding: 20px;
overflow-y: auto;
}
.left-panel {
display: flex;
flex-direction: column;
gap: 15px;
background-color: #e9ecef;
}
.mode-block {
border: 1px solid #ccc;
padding: 15px;
border-radius: 5px;
background-color: #fff;
box-shadow: 0 2px 4px rgba(0,0,0,0.1);
transition: background-color 0.3s;
}
.mode-block.active {
background-color: #a5d6a7; /* Light green background for active mode */
}
.mode-block h2 {
margin-top: 0;
color: #333;
}
.mode-block button {
background-color: #4285F4;
color: white;
border: none;
padding: 10px;
margin: 5px 0;
cursor: pointer;
border-radius: 5px;
width: 100%;
font-size: 14px;
transition: background-color 0.3s;
}
.mode-block button:hover {
background-color: #3367d6;
}
.mode-block button i {
margin-right: 8px;
}
.monitor-block {
border: 1px solid #ccc;
padding: 15px;
border-radius: 5px;
background-color: #fff;
margin-bottom: 15px;
box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}
.monitor-block h2 {
margin-top: 0;
color: #333;
}
.monitor-values {
display: grid;
grid-template-columns: repeat(3, 1fr);
gap: 10px;
}
.monitor-value {
border: 1px solid #ddd;
padding: 10px;
text-align: center;
border-radius: 5px;
background-color: #f8f9fa;
}
</style>
</head>
<body>
<div class="header">
<button id="connectButton" class="connect-button" onclick="toggleConnection()">
<i class="fas fa-plug"></i> Disconnected
</button>
</div>
<div class="container">
<div class="left-panel">
<div class="mode-block" id="idleMode">
<h2><i class="fas fa-pause-circle"></i> IDLE Mode</h2>
<button onclick="triggerPU('IDLE', 1)"><i class="fas fa-power-off"></i> PU 1</button>
<button onclick="triggerPU('IDLE', 2)"><i class="fas fa-power-off"></i> PU 2</button>
<button onclick="triggerPU('IDLE', 3)"><i class="fas fa-power-off"></i> PU 3</button>
</div>
<div class="mode-block" id="prodMode">
<h2><i class="fas fa-play-circle"></i> PRODUCTION Mode</h2>
<button onclick="triggerPU('PRODUCTION', 1)"><i class="fas fa-power-off"></i> PU 1</button>
<button onclick="triggerPU('PRODUCTION', 2)"><i class="fas fa-power-off"></i> PU 2</button>
<button onclick="triggerPU('PRODUCTION', 3)"><i class="fas fa-power-off"></i> PU 3</button>
</div>
<div class="mode-block" id="firstStartMode">
<h2><i class="fas fa-sync-alt"></i> First Start</h2>
<button onclick="triggerPU('FIRST_START', 1)"><i class="fas fa-power-off"></i> PU 1</button>
<button onclick="triggerPU('FIRST_START', 2)"><i class="fas fa-power-off"></i> PU 2</button>
<button onclick="triggerPU('FIRST_START', 3)"><i class="fas fa-power-off"></i> PU 3</button>
</div>
<div class="mode-block">
<h2><i class="fas fa-broom"></i> Thermal Loop Cleaning</h2>
<button onclick="thermalLoopCleaning('IDLE')"><i class="fas fa-broom"></i> Clean</button>
</div>
</div>
<div class="right-panel">
<div class="monitor-block">
<h2><i class="fas fa-tachometer-alt"></i> Q perm</h2>
<div class="monitor-values" id="Qperm">
<div class="monitor-value">Q1: 0.0</div>
<div class="monitor-value">Q2: 0.0</div>
<div class="monitor-value">Q3: 0.0</div>
</div>
</div>
<div class="monitor-block">
<h2><i class="fas fa-water"></i> Pdilute</h2>
<div class="monitor-values" id="Pdilute">
<div class="monitor-value">P1: 0.0</div>
<div class="monitor-value">P2: 0.0</div>
<div class="monitor-value">P3: 0.0</div>
</div>
</div>
<div class="monitor-block">
<h2><i class="fas fa-bolt"></i> Conductivity</h2>
<div class="monitor-values" id="Conductivity">
<div class="monitor-value">C1: 0.0</div>
<div class="monitor-value">C2: 0.0</div>
<div class="monitor-value">C3: 0.0</div>
</div>
</div>
<div class="monitor-block">
<h2><i class="fas fa-flask"></i> Pro</h2>
<div class="monitor-values" id="Pro">
<div class="monitor-value">PR1: 0.0</div>
<div class="monitor-value">PR2: 0.0</div>
<div class="monitor-value">PR3: 0.0</div>
</div>
</div>
</div>
</div>
<script>
async function toggleConnection() {
const response = await fetch('/connect_toggle', {
method: 'POST'
});
const data = await response.json();
const connectButton = document.getElementById('connectButton');
if (data.connected) {
connectButton.classList.add('connected');
connectButton.innerHTML = '<i class="fas fa-plug"></i> Connected';
} else {
connectButton.classList.remove('connected');
connectButton.innerHTML = '<i class="fas fa-plug"></i> Disconnected';
}
}
async function triggerPU(state, puNumber) {
const response = await fetch(`/command/${state}/pu/${puNumber}`, {
method: 'POST'
});
const data = await response.json();
console.log(data);
// Highlight the active mode block based on the state
document.querySelectorAll('.mode-block').forEach(block => {
block.classList.remove('active');
});
// Map state to lowercase div ID suffix
const stateToId = {
"IDLE": "idle",
"PRODUCTION": "prod",
"FIRST_START": "firstStart"
};
const blockId = stateToId[state];
if (blockId) {
const block = document.getElementById(`${blockId}Mode`);
if (block) {
block.classList.add('active');
}
}
}
async function thermalLoopCleaning(mode) {
const response = await fetch(`/mode/${mode}/thermal_loop`, {
method: 'POST'
});
const data = await response.json();
console.log(data);
}
async function updateMonitorData() {
const response = await fetch('/monitor');
const data = await response.json();
updateMonitorValues('Qperm', data.Qperm);
updateMonitorValues('Pdilute', data.Pdilute);
updateMonitorValues('Conductivity', data.Conductivity);
updateMonitorValues('Pro', data.Pro);
}
function updateMonitorValues(id, values) {
const container = document.getElementById(id);
const valueElements = container.querySelectorAll('.monitor-value');
valueElements.forEach((element, index) => {
if (index < values.length) {
element.textContent = `${id.charAt(0)}${index + 1}: ${values[index]}`;
}
});
}
// Update monitor data every second
setInterval(updateMonitorData, 1000);
</script>
</body>
</html>