first and working ethernet

2025-07-26 21:48:13 -04:00
commit 473f9013c0
58 changed files with 3405 additions and 0 deletions
--- a/test_ethernet.py
+++ b/test_ethernet.py
@@ -0,0 +1,137 @@
+#!/usr/bin/env python3
+"""
+Test ethernet connectivity for RP2040-ETH
+"""
+
+import socket
+import subprocess
+import sys
+import time
+
+# RP2040-ETH configuration
+HOST = '192.168.1.200'
+PORT = 1000
+
+def ping_test():
+    """Test basic connectivity with ping"""
+    print(f"1. Testing ping to {HOST}...")
+    try:
+        result = subprocess.run(['ping', '-c', '3', HOST], 
+                              capture_output=True, text=True, timeout=10)
+        if result.returncode == 0:
+            print("✓ Ping successful!")
+            print(result.stdout)
+            return True
+        else:
+            print("✗ Ping failed")
+            return False
+    except subprocess.TimeoutExpired:
+        print("✗ Ping timeout")
+        return False
+    except Exception as e:
+        print(f"✗ Ping error: {e}")
+        return False
+
+def tcp_test():
+    """Test TCP connection"""
+    print(f"\n2. Testing TCP connection to {HOST}:{PORT}...")
+    try:
+        sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
+        sock.settimeout(5)
+        result = sock.connect_ex((HOST, PORT))
+        if result == 0:
+            print("✓ TCP connection successful!")
+            
+            # Send a test command
+            print("   Sending test command 'GREEN'...")
+            sock.send(b"GREEN")
+            
+            # Try to receive response
+            try:
+                response = sock.recv(1024)
+                print(f"   ✓ Received response: {response.decode()}")
+            except socket.timeout:
+                print("   - No response received (timeout)")
+            
+            sock.close()
+            return True
+        else:
+            print(f"✗ TCP connection failed (error code: {result})")
+            sock.close()
+            return False
+    except Exception as e:
+        print(f"✗ TCP error: {e}")
+        return False
+
+def arp_test():
+    """Check ARP table for the device"""
+    print(f"\n3. Checking ARP table for {HOST}...")
+    try:
+        # For macOS/Linux
+        result = subprocess.run(['arp', '-n'], capture_output=True, text=True)
+        if HOST in result.stdout:
+            print(f"✓ Device found in ARP table")
+            # Extract the relevant line
+            for line in result.stdout.split('\n'):
+                if HOST in line:
+                    print(f"   {line}")
+            return True
+        else:
+            print("✗ Device not found in ARP table")
+            return False
+    except Exception as e:
+        print(f"✗ ARP check error: {e}")
+        return False
+
+def port_scan():
+    """Quick port scan to see what's open"""
+    print(f"\n4. Scanning common ports on {HOST}...")
+    common_ports = [80, 443, 22, 23, 1000, 2000, 8080]
+    open_ports = []
+    
+    for port in common_ports:
+        sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
+        sock.settimeout(0.5)
+        result = sock.connect_ex((HOST, port))
+        if result == 0:
+            open_ports.append(port)
+            print(f"   ✓ Port {port} is open")
+        sock.close()
+    
+    if not open_ports:
+        print("   ✗ No common ports are open")
+    
+    return len(open_ports) > 0
+
+def main():
+    print("RP2040-ETH Ethernet Test Suite")
+    print("==============================\n")
+    
+    results = {
+        'ping': ping_test(),
+        'tcp': tcp_test(),
+        'arp': arp_test(),
+        'ports': port_scan()
+    }
+    
+    print("\n\nSummary:")
+    print("--------")
+    passed = sum(results.values())
+    total = len(results)
+    
+    for test, result in results.items():
+        status = "✓ PASS" if result else "✗ FAIL"
+        print(f"{test.upper():8} {status}")
+    
+    print(f"\nTotal: {passed}/{total} tests passed")
+    
+    if passed == 0:
+        print("\nTroubleshooting:")
+        print("1. Check ethernet cable is connected")
+        print("2. Verify IP address matches your network (192.168.1.x)")
+        print("3. Check if RP2040-ETH is powered on")
+        print("4. Use serial monitor to see debug output from the device")
+        print("5. Ensure your computer is on the same network subnet")
+
+if __name__ == "__main__":
+    main()