chore(compose): add docker-compose.yml

services/collector/receiver.py

@@ -0,0 +1,56 @@
+#!/usr/bin/env python3
+"""
+Example client for FR-1.4 protocol
+"""
+import serial
+import time
+from protocol_parser import ProtocolParser
+
+
+def main():
+    SERIAL_PORT = "/dev/ttyACM0"
+    BAUDRATE = 115200
+
+    parser = ProtocolParser()
+
+    try:
+        with serial.Serial(SERIAL_PORT, BAUDRATE, timeout=1) as ser:
+            print(f"Connected to {SERIAL_PORT}")
+
+            while True:
+                # Read available data
+                if ser.in_waiting > 0:
+                    data = ser.read(ser.in_waiting)
+
+                    # Parse packets
+                    packets = parser.feed(data)
+                    for pkt in packets:
+                        if pkt.valid:
+                            print(
+                                f"[{pkt.timestamp_ms:010d}] "
+                                f"RMS: {pkt.rms_db:+6.1f} dB  "
+                                f"Freq: {pkt.freq_hz:4d} Hz"
+                            )
+                        else:
+                            print(f"[WARN] Invalid packet: {pkt}")
+
+                    # Show stats every 30 packets
+                    stats = parser.get_stats()
+                    if stats.packets_received % 30 == 0 and stats.packets_received > 0:
+                        print(
+                            f"Stats: RX={stats.packets_received} "
+                            f"CRC_err={stats.crc_errors} "
+                            f"LEN_err={stats.length_errors} "
+                            f"Range_err={stats.range_errors}"
+                        )
+
+                time.sleep(0.01)
+
+    except KeyboardInterrupt:
+        print("\nExiting...")
+    except serial.SerialException as e:
+        print(f"Error: {e}")
+
+
+if __name__ == "__main__":
+    main()