add firmware file

pipe_reader_test.py

@@ -0,0 +1,66 @@
+#!/usr/bin/env python3
+"""
+Test script to read radar data from named pipe (FIFO)
+
+This script demonstrates how to read binary data from the named pipe
+created by the radar acquisition program.
+"""
+
+import struct
+import sys
+import os
+
+def read_from_pipe(pipe_path="/tmp/radar_data_pipe"):
+    """
+    Read uint32_t data from named pipe
+
+    Args:
+        pipe_path: Path to the named pipe (FIFO)
+    """
+    print(f"Opening pipe: {pipe_path}")
+    print("Waiting for radar data...")
+
+    try:
+        # Open pipe for reading (this will block until writer connects)
+        with open(pipe_path, 'rb') as pipe:
+            print("Connected to pipe! Reading data...")
+
+            word_count = 0
+            while True:
+                # Read 4 bytes (one uint32_t)
+                data = pipe.read(4)
+
+                if not data:
+                    print("\nEnd of stream or pipe closed")
+                    break
+
+                if len(data) < 4:
+                    print(f"\nWarning: incomplete data read ({len(data)} bytes)")
+                    break
+
+                # Unpack as uint32_t (little-endian)
+                value = struct.unpack('<I', data)[0]
+
+                # Print first 10 values and then every 1000th value
+                if word_count < 10 or word_count % 1000 == 0:
+                    print(f"Word {word_count}: 0x{value:08X} ({value})")
+
+                word_count += 1
+
+                # Optional: process the data here
+                # For example, convert to voltage, apply filters, etc.
+
+            print(f"\nTotal words received: {word_count}")
+
+    except KeyboardInterrupt:
+        print("\n\nInterrupted by user")
+        print(f"Total words received: {word_count}")
+    except FileNotFoundError:
+        print(f"Error: Pipe {pipe_path} does not exist")
+        print("Make sure the radar acquisition program is running first")
+    except Exception as e:
+        print(f"Error reading from pipe: {e}")
+
+if __name__ == "__main__":
+    pipe_path = sys.argv[1] if len(sys.argv) > 1 else "/tmp/radar_data_pipe"
+    read_from_pipe(pipe_path)