Files
PLFM_RADAR/9_Firmware/9_3_GUI/GUI_V2.py
T
Jason 11aa590cf2 fix: full-repo ruff lint cleanup and CI migration to uv
Resolve all 374 ruff errors across 36 Python files (E501, E702, E722,
E741, F821, F841, invalid-syntax) bringing `ruff check .` to zero
errors repo-wide with line-length=100.

Rewrite CI workflow to use uv for dependency management, whole-repo
`ruff check .`, py_compile syntax gate, and merged python-tests job.
Add pyproject.toml with ruff config and uv dependency groups.

CI structure proposed by hcm444.
2026-04-09 02:05:34 +03:00

1125 lines
41 KiB
Python

import tkinter as tk
from tkinter import ttk, messagebox
import threading
import queue
import time
import struct
import numpy as np
from matplotlib.backends.backend_tkagg import FigureCanvasTkAgg
from matplotlib.figure import Figure
import logging
from dataclasses import dataclass
from sklearn.cluster import DBSCAN
from filterpy.kalman import KalmanFilter
import crcmod
try:
import usb.core
import usb.util
USB_AVAILABLE = True
except ImportError:
USB_AVAILABLE = False
logging.warning("pyusb not available. USB CDC functionality will be disabled.")
try:
from pyftdi.ftdi import Ftdi
from pyftdi.usbtools import UsbTools
FTDI_AVAILABLE = True
except ImportError:
FTDI_AVAILABLE = False
logging.warning("pyftdi not available. FTDI functionality will be disabled.")
# Configure logging
logging.basicConfig(level=logging.INFO, format="%(asctime)s - %(levelname)s - %(message)s")
@dataclass
class RadarTarget:
id: int
range: float
velocity: float
azimuth: int
elevation: int
snr: float
timestamp: float
track_id: int = -1
@dataclass
class RadarSettings:
system_frequency: float = 10e9
chirp_duration: float = 30e-6
chirps_per_position: int = 32
freq_min: float = 10e6
freq_max: float = 30e6
prf1: float = 1000
prf2: float = 2000
max_distance: float = 50000
@dataclass
class GPSData:
latitude: float
longitude: float
altitude: float
timestamp: float
class STM32USBInterface:
def __init__(self):
self.device = None
self.is_open = False
self.ep_in = None
self.ep_out = None
def list_devices(self):
"""List available STM32 USB CDC devices"""
if not USB_AVAILABLE:
logging.warning("USB not available - please install pyusb")
return []
try:
devices = []
# STM32 USB CDC devices typically use these vendor/product IDs
stm32_vid_pids = [
(0x0483, 0x5740), # STM32 Virtual COM Port
(0x0483, 0x3748), # STM32 Discovery
(0x0483, 0x374B), # STM32 CDC
(0x0483, 0x374D), # STM32 CDC
(0x0483, 0x374E), # STM32 CDC
(0x0483, 0x3752), # STM32 CDC
]
for vid, pid in stm32_vid_pids:
found_devices = usb.core.find(find_all=True, idVendor=vid, idProduct=pid)
for dev in found_devices:
try:
product = (
usb.util.get_string(dev, dev.iProduct) if dev.iProduct else "STM32 CDC"
)
serial = (
usb.util.get_string(dev, dev.iSerialNumber)
if dev.iSerialNumber
else "Unknown"
)
devices.append(
{
"description": f"{product} ({serial})",
"vendor_id": vid,
"product_id": pid,
"device": dev,
}
)
except Exception:
devices.append(
{
"description": f"STM32 CDC (VID:{vid:04X}, PID:{pid:04X})",
"vendor_id": vid,
"product_id": pid,
"device": dev,
}
)
return devices
except Exception as e:
logging.error(f"Error listing USB devices: {e}")
# Return mock devices for testing
return [
{"description": "STM32 Virtual COM Port", "vendor_id": 0x0483, "product_id": 0x5740}
]
def open_device(self, device_info):
"""Open STM32 USB CDC device"""
if not USB_AVAILABLE:
logging.error("USB not available - cannot open device")
return False
try:
self.device = device_info["device"]
# Detach kernel driver if active
if self.device.is_kernel_driver_active(0):
self.device.detach_kernel_driver(0)
# Set configuration
self.device.set_configuration()
# Get CDC endpoints
cfg = self.device.get_active_configuration()
intf = cfg[(0, 0)]
# Find bulk endpoints (CDC data interface)
self.ep_out = usb.util.find_descriptor(
intf,
custom_match=lambda e: (
usb.util.endpoint_direction(e.bEndpointAddress) == usb.util.ENDPOINT_OUT
),
)
self.ep_in = usb.util.find_descriptor(
intf,
custom_match=lambda e: (
usb.util.endpoint_direction(e.bEndpointAddress) == usb.util.ENDPOINT_IN
),
)
if self.ep_out is None or self.ep_in is None:
logging.error("Could not find CDC endpoints")
return False
self.is_open = True
logging.info(f"STM32 USB device opened: {device_info['description']}")
return True
except Exception as e:
logging.error(f"Error opening USB device: {e}")
return False
def send_start_flag(self):
"""Step 12: Send start flag to STM32 via USB"""
start_packet = bytes([23, 46, 158, 237])
logging.info("Sending start flag to STM32 via USB...")
return self._send_data(start_packet)
def send_settings(self, settings):
"""Step 13: Send radar settings to STM32 via USB"""
try:
packet = self._create_settings_packet(settings)
logging.info("Sending radar settings to STM32 via USB...")
return self._send_data(packet)
except Exception as e:
logging.error(f"Error sending settings via USB: {e}")
return False
def read_data(self, size=64, timeout=1000):
"""Read data from STM32 via USB"""
if not self.is_open or self.ep_in is None:
return None
try:
data = self.ep_in.read(size, timeout=timeout)
return bytes(data)
except usb.core.USBError as e:
if e.errno == 110: # Timeout
return None
logging.error(f"USB read error: {e}")
return None
except Exception as e:
logging.error(f"Error reading from USB: {e}")
return None
def _send_data(self, data):
"""Send data to STM32 via USB"""
if not self.is_open or self.ep_out is None:
return False
try:
# USB CDC typically uses 64-byte packets
packet_size = 64
for i in range(0, len(data), packet_size):
chunk = data[i : i + packet_size]
# Pad to packet size if needed
if len(chunk) < packet_size:
chunk += b"\x00" * (packet_size - len(chunk))
self.ep_out.write(chunk)
return True
except Exception as e:
logging.error(f"Error sending data via USB: {e}")
return False
def _create_settings_packet(self, settings):
"""Create binary settings packet for USB transmission"""
packet = b"SET"
packet += struct.pack(">d", settings.system_frequency)
packet += struct.pack(">d", settings.chirp_duration)
packet += struct.pack(">I", settings.chirps_per_position)
packet += struct.pack(">d", settings.freq_min)
packet += struct.pack(">d", settings.freq_max)
packet += struct.pack(">d", settings.prf1)
packet += struct.pack(">d", settings.prf2)
packet += struct.pack(">d", settings.max_distance)
packet += b"END"
return packet
def close(self):
"""Close USB device"""
if self.device and self.is_open:
try:
usb.util.dispose_resources(self.device)
self.is_open = False
except Exception as e:
logging.error(f"Error closing USB device: {e}")
class FTDIInterface:
def __init__(self):
self.ftdi = None
self.is_open = False
def list_devices(self):
"""List available FTDI devices using pyftdi"""
if not FTDI_AVAILABLE:
logging.warning("FTDI not available - please install pyftdi")
return []
try:
devices = []
# Get list of all FTDI devices
for device in UsbTools.find_all([(0x0403, 0x6010)]): # FT2232H vendor/product ID
devices.append(
{"description": f"FTDI Device {device}", "url": f"ftdi://{device}/1"}
)
return devices
except Exception as e:
logging.error(f"Error listing FTDI devices: {e}")
# Return mock devices for testing
return [{"description": "FT2232H Device A", "url": "ftdi://device/1"}]
def open_device(self, device_url):
"""Open FTDI device using pyftdi"""
if not FTDI_AVAILABLE:
logging.error("FTDI not available - cannot open device")
return False
try:
self.ftdi = Ftdi()
self.ftdi.open_from_url(device_url)
# Configure for synchronous FIFO mode
self.ftdi.set_bitmode(0xFF, Ftdi.BitMode.SYNCFF)
# Set latency timer
self.ftdi.set_latency_timer(2)
# Purge buffers
self.ftdi.purge_buffers()
self.is_open = True
logging.info(f"FTDI device opened: {device_url}")
return True
except Exception as e:
logging.error(f"Error opening FTDI device: {e}")
return False
def read_data(self, bytes_to_read):
"""Read data from FTDI"""
if not self.is_open or self.ftdi is None:
return None
try:
data = self.ftdi.read_data(bytes_to_read)
if data:
return bytes(data)
return None
except Exception as e:
logging.error(f"Error reading from FTDI: {e}")
return None
def close(self):
"""Close FTDI device"""
if self.ftdi and self.is_open:
self.ftdi.close()
self.is_open = False
class RadarProcessor:
def __init__(self):
self.range_doppler_map = np.zeros((1024, 32))
self.detected_targets = []
self.track_id_counter = 0
self.tracks = {}
self.frame_count = 0
def dual_cpi_fusion(self, range_profiles_1, range_profiles_2):
"""Dual-CPI fusion for better detection"""
fused_profile = np.mean(range_profiles_1, axis=0) + np.mean(range_profiles_2, axis=0)
return fused_profile
def multi_prf_unwrap(self, doppler_measurements, prf1, prf2):
"""Multi-PRF velocity unwrapping"""
lambda_wavelength = 3e8 / 10e9
v_max1 = prf1 * lambda_wavelength / 2
v_max2 = prf2 * lambda_wavelength / 2
unwrapped_velocities = []
for doppler in doppler_measurements:
v1 = doppler * lambda_wavelength / 2
v2 = doppler * lambda_wavelength / 2
velocity = self._solve_chinese_remainder(v1, v2, v_max1, v_max2)
unwrapped_velocities.append(velocity)
return unwrapped_velocities
def _solve_chinese_remainder(self, v1, v2, max1, max2):
for k in range(-5, 6):
candidate = v1 + k * max1
if abs(candidate - v2) < max2 / 2:
return candidate
return v1
def clustering(self, detections, eps=100, min_samples=2):
"""DBSCAN clustering of detections"""
if len(detections) == 0:
return []
points = np.array([[d.range, d.velocity] for d in detections])
clustering = DBSCAN(eps=eps, min_samples=min_samples).fit(points)
clusters = []
for label in set(clustering.labels_):
if label != -1:
cluster_points = points[clustering.labels_ == label]
clusters.append(
{
"center": np.mean(cluster_points, axis=0),
"points": cluster_points,
"size": len(cluster_points),
}
)
return clusters
def association(self, detections, clusters):
"""Association of detections to tracks"""
associated_detections = []
for detection in detections:
best_track = None
min_distance = float("inf")
for track_id, track in self.tracks.items():
distance = np.sqrt(
(detection.range - track["state"][0]) ** 2
+ (detection.velocity - track["state"][2]) ** 2
)
if distance < min_distance and distance < 500:
min_distance = distance
best_track = track_id
if best_track is not None:
detection.track_id = best_track
associated_detections.append(detection)
else:
detection.track_id = self.track_id_counter
self.track_id_counter += 1
associated_detections.append(detection)
return associated_detections
def tracking(self, associated_detections):
"""Kalman filter tracking"""
current_time = time.time()
for detection in associated_detections:
if detection.track_id not in self.tracks:
kf = KalmanFilter(dim_x=4, dim_z=2)
kf.x = np.array([detection.range, 0, detection.velocity, 0])
kf.F = np.array([[1, 1, 0, 0], [0, 1, 0, 0], [0, 0, 1, 1], [0, 0, 0, 1]])
kf.H = np.array([[1, 0, 0, 0], [0, 0, 1, 0]])
kf.P *= 1000
kf.R = np.diag([10, 1])
kf.Q = np.eye(4) * 0.1
self.tracks[detection.track_id] = {
"filter": kf,
"state": kf.x,
"last_update": current_time,
"hits": 1,
}
else:
track = self.tracks[detection.track_id]
track["filter"].predict()
track["filter"].update([detection.range, detection.velocity])
track["state"] = track["filter"].x
track["last_update"] = current_time
track["hits"] += 1
stale_tracks = [
tid for tid, track in self.tracks.items() if current_time - track["last_update"] > 5.0
]
for tid in stale_tracks:
del self.tracks[tid]
class USBPacketParser:
def __init__(self):
self.crc16_func = crcmod.mkCrcFun(0x11021, rev=False, initCrc=0xFFFF, xorOut=0x0000)
def parse_gps_data(self, data):
"""Parse GPS data from STM32 USB CDC"""
if not data:
return None
try:
# Try text format first: "GPS:lat,lon,alt\r\n"
text_data = data.decode("utf-8", errors="ignore").strip()
if text_data.startswith("GPS:"):
parts = text_data.split(":")[1].split(",")
if len(parts) == 3:
lat = float(parts[0])
lon = float(parts[1])
alt = float(parts[2])
return GPSData(latitude=lat, longitude=lon, altitude=alt, timestamp=time.time())
# Try binary format
if len(data) >= 26 and data[0:4] == b"GPSB":
return self._parse_binary_gps(data)
except Exception as e:
logging.error(f"Error parsing GPS data: {e}")
return None
def _parse_binary_gps(self, data):
"""Parse binary GPS format"""
try:
# Binary format: [Header 4][Latitude 8][Longitude 8][Altitude 4][CRC 2]
if len(data) < 26:
return None
# Verify CRC (simple checksum)
crc_received = (data[24] << 8) | data[25]
crc_calculated = sum(data[0:24]) & 0xFFFF
if crc_received != crc_calculated:
logging.warning("GPS CRC mismatch")
return None
# Parse latitude (double, big-endian)
lat_bits = 0
for i in range(8):
lat_bits = (lat_bits << 8) | data[4 + i]
latitude = struct.unpack(">d", struct.pack(">Q", lat_bits))[0]
# Parse longitude (double, big-endian)
lon_bits = 0
for i in range(8):
lon_bits = (lon_bits << 8) | data[12 + i]
longitude = struct.unpack(">d", struct.pack(">Q", lon_bits))[0]
# Parse altitude (float, big-endian)
alt_bits = 0
for i in range(4):
alt_bits = (alt_bits << 8) | data[20 + i]
altitude = struct.unpack(">f", struct.pack(">I", alt_bits))[0]
return GPSData(
latitude=latitude, longitude=longitude, altitude=altitude, timestamp=time.time()
)
except Exception as e:
logging.error(f"Error parsing binary GPS: {e}")
return None
class RadarPacketParser:
def __init__(self):
self.sync_pattern = b"\xa5\xc3"
self.crc16_func = crcmod.mkCrcFun(0x11021, rev=False, initCrc=0xFFFF, xorOut=0x0000)
def parse_packet(self, data):
if len(data) < 6:
return None
sync_index = data.find(self.sync_pattern)
if sync_index == -1:
return None
packet = data[sync_index:]
if len(packet) < 6:
return None
_sync = packet[0:2]
packet_type = packet[2]
length = packet[3]
if len(packet) < (4 + length + 2):
return None
payload = packet[4 : 4 + length]
crc_received = struct.unpack("<H", packet[4 + length : 4 + length + 2])[0]
crc_calculated = self.calculate_crc(packet[0 : 4 + length])
if crc_calculated != crc_received:
logging.warning(
f"CRC mismatch: got {crc_received:04X}, calculated {crc_calculated:04X}"
)
return None
if packet_type == 0x01:
return self.parse_range_packet(payload)
elif packet_type == 0x02:
return self.parse_doppler_packet(payload)
elif packet_type == 0x03:
return self.parse_detection_packet(payload)
else:
logging.warning(f"Unknown packet type: {packet_type:02X}")
return None
def calculate_crc(self, data):
return self.crc16_func(data)
def parse_range_packet(self, payload):
if len(payload) < 12:
return None
try:
range_value = struct.unpack(">I", payload[0:4])[0]
elevation = payload[4] & 0x1F
azimuth = payload[5] & 0x3F
chirp_counter = payload[6] & 0x1F
return {
"type": "range",
"range": range_value,
"elevation": elevation,
"azimuth": azimuth,
"chirp": chirp_counter,
"timestamp": time.time(),
}
except Exception as e:
logging.error(f"Error parsing range packet: {e}")
return None
def parse_doppler_packet(self, payload):
if len(payload) < 12:
return None
try:
doppler_real = struct.unpack(">h", payload[0:2])[0]
doppler_imag = struct.unpack(">h", payload[2:4])[0]
elevation = payload[4] & 0x1F
azimuth = payload[5] & 0x3F
chirp_counter = payload[6] & 0x1F
return {
"type": "doppler",
"doppler_real": doppler_real,
"doppler_imag": doppler_imag,
"elevation": elevation,
"azimuth": azimuth,
"chirp": chirp_counter,
"timestamp": time.time(),
}
except Exception as e:
logging.error(f"Error parsing Doppler packet: {e}")
return None
def parse_detection_packet(self, payload):
if len(payload) < 8:
return None
try:
detection_flag = (payload[0] & 0x01) != 0
elevation = payload[1] & 0x1F
azimuth = payload[2] & 0x3F
chirp_counter = payload[3] & 0x1F
return {
"type": "detection",
"detected": detection_flag,
"elevation": elevation,
"azimuth": azimuth,
"chirp": chirp_counter,
"timestamp": time.time(),
}
except Exception as e:
logging.error(f"Error parsing detection packet: {e}")
return None
class RadarGUI:
def __init__(self, root):
self.root = root
self.root.title("Advanced Radar System GUI - USB CDC")
self.root.geometry("1400x900")
# Initialize interfaces
self.stm32_usb_interface = STM32USBInterface()
self.ftdi_interface = FTDIInterface()
self.radar_processor = RadarProcessor()
self.usb_packet_parser = USBPacketParser()
self.radar_packet_parser = RadarPacketParser()
self.settings = RadarSettings()
# Data queues
self.radar_data_queue = queue.Queue()
self.gps_data_queue = queue.Queue()
# Thread control
self.running = False
self.radar_thread = None
self.gps_thread = None
# Counters
self.received_packets = 0
self.current_gps = GPSData(latitude=41.9028, longitude=12.4964, altitude=0, timestamp=0)
self.create_gui()
self.start_background_threads()
def create_gui(self):
"""Create the main GUI with tabs"""
self.notebook = ttk.Notebook(self.root)
self.notebook.pack(fill="both", expand=True, padx=10, pady=10)
self.tab_main = ttk.Frame(self.notebook)
self.tab_map = ttk.Frame(self.notebook)
self.tab_diagnostics = ttk.Frame(self.notebook)
self.tab_settings = ttk.Frame(self.notebook)
self.notebook.add(self.tab_main, text="Main View")
self.notebook.add(self.tab_map, text="Map View")
self.notebook.add(self.tab_diagnostics, text="Diagnostics")
self.notebook.add(self.tab_settings, text="Settings")
self.setup_main_tab()
self.setup_map_tab()
self.setup_settings_tab()
def setup_main_tab(self):
"""Setup the main radar display tab"""
# Control frame
control_frame = ttk.Frame(self.tab_main)
control_frame.pack(fill="x", padx=10, pady=5)
# USB Device selection
ttk.Label(control_frame, text="STM32 USB Device:").grid(row=0, column=0, padx=5)
self.stm32_usb_combo = ttk.Combobox(control_frame, state="readonly", width=40)
self.stm32_usb_combo.grid(row=0, column=1, padx=5)
ttk.Label(control_frame, text="FTDI Device:").grid(row=0, column=2, padx=5)
self.ftdi_combo = ttk.Combobox(control_frame, state="readonly", width=30)
self.ftdi_combo.grid(row=0, column=3, padx=5)
ttk.Button(control_frame, text="Refresh Devices", command=self.refresh_devices).grid(
row=0, column=4, padx=5
)
self.start_button = ttk.Button(control_frame, text="Start Radar", command=self.start_radar)
self.start_button.grid(row=0, column=5, padx=5)
self.stop_button = ttk.Button(
control_frame, text="Stop Radar", command=self.stop_radar, state="disabled"
)
self.stop_button.grid(row=0, column=6, padx=5)
# GPS info
self.gps_label = ttk.Label(control_frame, text="GPS: Waiting for data...")
self.gps_label.grid(row=1, column=0, columnspan=4, sticky="w", padx=5, pady=2)
# Status info
self.status_label = ttk.Label(control_frame, text="Status: Ready")
self.status_label.grid(row=1, column=4, columnspan=3, sticky="e", padx=5, pady=2)
# Main display area
display_frame = ttk.Frame(self.tab_main)
display_frame.pack(fill="both", expand=True, padx=10, pady=5)
# Range-Doppler Map
fig = Figure(figsize=(10, 6))
self.range_doppler_ax = fig.add_subplot(111)
self.range_doppler_plot = self.range_doppler_ax.imshow(
np.random.rand(1024, 32), aspect="auto", cmap="hot", extent=[0, 32, 0, 1024]
)
self.range_doppler_ax.set_title("Range-Doppler Map")
self.range_doppler_ax.set_xlabel("Doppler Bin")
self.range_doppler_ax.set_ylabel("Range Bin")
self.canvas = FigureCanvasTkAgg(fig, display_frame)
self.canvas.draw()
self.canvas.get_tk_widget().pack(side="left", fill="both", expand=True)
# Targets list
targets_frame = ttk.LabelFrame(display_frame, text="Detected Targets")
targets_frame.pack(side="right", fill="y", padx=5)
self.targets_tree = ttk.Treeview(
targets_frame,
columns=("ID", "Range", "Velocity", "Azimuth", "Elevation", "SNR"),
show="headings",
height=20,
)
self.targets_tree.heading("ID", text="Track ID")
self.targets_tree.heading("Range", text="Range (m)")
self.targets_tree.heading("Velocity", text="Velocity (m/s)")
self.targets_tree.heading("Azimuth", text="Azimuth")
self.targets_tree.heading("Elevation", text="Elevation")
self.targets_tree.heading("SNR", text="SNR (dB)")
self.targets_tree.column("ID", width=80)
self.targets_tree.column("Range", width=100)
self.targets_tree.column("Velocity", width=100)
self.targets_tree.column("Azimuth", width=80)
self.targets_tree.column("Elevation", width=80)
self.targets_tree.column("SNR", width=80)
self.targets_tree.pack(fill="both", expand=True, padx=5, pady=5)
def setup_map_tab(self):
"""Setup the map display tab"""
self.map_frame = ttk.Frame(self.tab_map)
self.map_frame.pack(fill="both", expand=True, padx=10, pady=10)
# Map placeholder
self.map_label = ttk.Label(
self.map_frame,
text="Map will be displayed here after GPS data is received",
font=("Arial", 12),
)
self.map_label.pack(expand=True)
def setup_settings_tab(self):
"""Setup the settings tab"""
settings_frame = ttk.Frame(self.tab_settings)
settings_frame.pack(fill="both", expand=True, padx=10, pady=10)
entries = [
("System Frequency (Hz):", "system_frequency", 10e9),
("Chirp Duration (s):", "chirp_duration", 30e-6),
("Chirps per Position:", "chirps_per_position", 32),
("Frequency Min (Hz):", "freq_min", 10e6),
("Frequency Max (Hz):", "freq_max", 30e6),
("PRF1 (Hz):", "prf1", 1000),
("PRF2 (Hz):", "prf2", 2000),
("Max Distance (m):", "max_distance", 50000),
]
self.settings_vars = {}
for i, (label, attr, default) in enumerate(entries):
ttk.Label(settings_frame, text=label).grid(row=i, column=0, sticky="w", padx=5, pady=5)
var = tk.StringVar(value=str(default))
entry = ttk.Entry(settings_frame, textvariable=var, width=20)
entry.grid(row=i, column=1, padx=5, pady=5)
self.settings_vars[attr] = var
ttk.Button(settings_frame, text="Apply Settings", command=self.apply_settings).grid(
row=len(entries), column=0, columnspan=2, pady=10
)
def refresh_devices(self):
"""Refresh available USB devices"""
# STM32 USB devices
stm32_devices = self.stm32_usb_interface.list_devices()
stm32_names = [dev["description"] for dev in stm32_devices]
self.stm32_usb_combo["values"] = stm32_names
# FTDI devices
ftdi_devices = self.ftdi_interface.list_devices()
ftdi_names = [dev["description"] for dev in ftdi_devices]
self.ftdi_combo["values"] = ftdi_names
if stm32_names:
self.stm32_usb_combo.current(0)
if ftdi_names:
self.ftdi_combo.current(0)
def start_radar(self):
"""Step 11: Start button pressed - Begin radar operation"""
try:
# Open STM32 USB device
stm32_index = self.stm32_usb_combo.current()
if stm32_index == -1:
messagebox.showerror("Error", "Please select an STM32 USB device")
return
stm32_devices = self.stm32_usb_interface.list_devices()
if stm32_index >= len(stm32_devices):
messagebox.showerror("Error", "Invalid STM32 device selection")
return
if not self.stm32_usb_interface.open_device(stm32_devices[stm32_index]):
messagebox.showerror("Error", "Failed to open STM32 USB device")
return
# Open FTDI device
if FTDI_AVAILABLE:
ftdi_index = self.ftdi_combo.current()
if ftdi_index != -1:
ftdi_devices = self.ftdi_interface.list_devices()
if ftdi_index < len(ftdi_devices):
device_url = ftdi_devices[ftdi_index]["url"]
if not self.ftdi_interface.open_device(device_url):
logging.warning(
"Failed to open FTDI device, continuing without radar data"
)
else:
logging.warning("No FTDI device selected, continuing without radar data")
else:
logging.warning("FTDI not available, continuing without radar data")
# Step 12: Send start flag to STM32 via USB
if not self.stm32_usb_interface.send_start_flag():
messagebox.showerror("Error", "Failed to send start flag to STM32")
return
# Step 13: Send settings to STM32 via USB
self.apply_settings()
# Start radar operation
self.running = True
self.start_button.config(state="disabled")
self.stop_button.config(state="normal")
self.status_label.config(text="Status: Radar running - Waiting for GPS data...")
logging.info("Radar system started successfully via USB CDC")
except Exception as e:
messagebox.showerror("Error", f"Failed to start radar: {e}")
logging.error(f"Start radar error: {e}")
def stop_radar(self):
"""Stop radar operation"""
self.running = False
self.start_button.config(state="normal")
self.stop_button.config(state="disabled")
self.status_label.config(text="Status: Radar stopped")
self.stm32_usb_interface.close()
self.ftdi_interface.close()
logging.info("Radar system stopped")
def apply_settings(self):
"""Step 13: Apply and send radar settings via USB"""
try:
self.settings.system_frequency = float(self.settings_vars["system_frequency"].get())
self.settings.chirp_duration = float(self.settings_vars["chirp_duration"].get())
self.settings.chirps_per_position = int(self.settings_vars["chirps_per_position"].get())
self.settings.freq_min = float(self.settings_vars["freq_min"].get())
self.settings.freq_max = float(self.settings_vars["freq_max"].get())
self.settings.prf1 = float(self.settings_vars["prf1"].get())
self.settings.prf2 = float(self.settings_vars["prf2"].get())
self.settings.max_distance = float(self.settings_vars["max_distance"].get())
if self.stm32_usb_interface.is_open:
self.stm32_usb_interface.send_settings(self.settings)
messagebox.showinfo("Success", "Settings applied and sent to STM32 via USB")
logging.info("Radar settings applied via USB")
except ValueError as e:
messagebox.showerror("Error", f"Invalid setting value: {e}")
def start_background_threads(self):
"""Start background data processing threads"""
self.radar_thread = threading.Thread(target=self.process_radar_data, daemon=True)
self.radar_thread.start()
self.gps_thread = threading.Thread(target=self.process_gps_data, daemon=True)
self.gps_thread.start()
self.root.after(100, self.update_gui)
def process_radar_data(self):
"""Step 39: Process incoming radar data from FTDI"""
buffer = b""
while True:
if self.running and self.ftdi_interface.is_open:
try:
data = self.ftdi_interface.read_data(4096)
if data:
buffer += data
while len(buffer) >= 6:
packet = self.radar_packet_parser.parse_packet(buffer)
if packet:
self.process_radar_packet(packet)
packet_length = 4 + len(packet.get("payload", b"")) + 2
buffer = buffer[packet_length:]
self.received_packets += 1
else:
break
except Exception as e:
logging.error(f"Error processing radar data: {e}")
time.sleep(0.1)
else:
time.sleep(0.1)
def process_gps_data(self):
"""Step 16/17: Process GPS data from STM32 via USB CDC"""
while True:
if self.running and self.stm32_usb_interface.is_open:
try:
# Read data from STM32 USB
data = self.stm32_usb_interface.read_data(64, timeout=100)
if data:
gps_data = self.usb_packet_parser.parse_gps_data(data)
if gps_data:
self.gps_data_queue.put(gps_data)
logging.info(
"GPS Data received via USB: "
f"Lat {gps_data.latitude:.6f}, "
f"Lon {gps_data.longitude:.6f}, "
f"Alt {gps_data.altitude:.1f}m"
)
except Exception as e:
logging.error(f"Error processing GPS data via USB: {e}")
time.sleep(0.1)
def process_radar_packet(self, packet):
"""Step 40: Process radar data and update displays"""
try:
if packet["type"] == "range":
range_meters = packet["range"] * 0.1
target = RadarTarget(
id=packet["chirp"],
range=range_meters,
velocity=0,
azimuth=packet["azimuth"],
elevation=packet["elevation"],
snr=20.0,
timestamp=packet["timestamp"],
)
self.update_range_doppler_map(target)
elif packet["type"] == "doppler":
lambda_wavelength = 3e8 / self.settings.system_frequency
velocity = (packet["doppler_real"] / 32767.0) * (
self.settings.prf1 * lambda_wavelength / 2
)
self.update_target_velocity(packet, velocity)
elif packet["type"] == "detection":
if packet["detected"]:
logging.info(
f"CFAR Detection: Elevation {packet['elevation']}, "
f"Azimuth {packet['azimuth']}"
)
except Exception as e:
logging.error(f"Error processing radar packet: {e}")
def update_range_doppler_map(self, target):
"""Update range-Doppler map with new target"""
range_bin = min(int(target.range / 50), 1023)
doppler_bin = min(abs(int(target.velocity)), 31)
self.radar_processor.range_doppler_map[range_bin, doppler_bin] += 1
self.radar_processor.detected_targets.append(target)
if len(self.radar_processor.detected_targets) > 100:
self.radar_processor.detected_targets = self.radar_processor.detected_targets[-100:]
def update_target_velocity(self, packet, velocity):
"""Update target velocity information"""
for target in self.radar_processor.detected_targets:
if (
target.azimuth == packet["azimuth"]
and target.elevation == packet["elevation"]
and target.id == packet["chirp"]
):
target.velocity = velocity
break
def update_gui(self):
"""Step 40: Update all GUI displays"""
try:
# Update status
if self.running:
self.status_label.config(
text=(
f"Status: Running - Packets: {self.received_packets} - "
f"GPS: {self.current_gps.latitude:.4f}, "
f"{self.current_gps.longitude:.4f}"
)
)
# Update range-Doppler map
if hasattr(self, "range_doppler_plot"):
display_data = np.log10(self.radar_processor.range_doppler_map + 1)
self.range_doppler_plot.set_array(display_data)
self.canvas.draw_idle()
# Update targets list
self.update_targets_list()
# Update GPS display
self.update_gps_display()
except Exception as e:
logging.error(f"Error updating GUI: {e}")
self.root.after(100, self.update_gui)
def update_targets_list(self):
"""Update the targets list display"""
for item in self.targets_tree.get_children():
self.targets_tree.delete(item)
for target in self.radar_processor.detected_targets[-20:]:
self.targets_tree.insert(
"",
"end",
values=(
target.track_id,
f"{target.range:.1f}",
f"{target.velocity:.1f}",
target.azimuth,
target.elevation,
f"{target.snr:.1f}",
),
)
def update_gps_display(self):
"""Step 18: Update GPS display and center map"""
try:
while not self.gps_data_queue.empty():
gps_data = self.gps_data_queue.get_nowait()
self.current_gps = gps_data
# Update GPS label
self.gps_label.config(
text=(
f"GPS: Lat {gps_data.latitude:.6f}, "
f"Lon {gps_data.longitude:.6f}, "
f"Alt {gps_data.altitude:.1f}m"
)
)
# Update map
self.update_map_display(gps_data)
except queue.Empty:
pass
def update_map_display(self, gps_data):
"""Step 18: Update map display with current GPS position"""
try:
self.map_label.config(
text=f"Radar Position: {gps_data.latitude:.6f}, {gps_data.longitude:.6f}\n"
f"Altitude: {gps_data.altitude:.1f}m\n"
f"Coverage: 50km radius\n"
f"Map centered on GPS coordinates"
)
except Exception as e:
logging.error(f"Error updating map display: {e}")
def main():
"""Main application entry point"""
try:
root = tk.Tk()
_app = RadarGUI(root)
root.mainloop()
except Exception as e:
logging.error(f"Application error: {e}")
messagebox.showerror("Fatal Error", f"Application failed to start: {e}")
if __name__ == "__main__":
main()