Chnages

mipi_test.py

@@ -12,78 +12,131 @@ import time
 import sys
 import requests
 import threading
+import os
+
+# --- Configuration ---
+URL = "http://192.168.45.8:5000/display"
+SCOPE_IP = "192.168.45.4"
+PSU_IP = "192.168.45.3"
 
-url = f"http://192.168.45.8:5000/display"
 test_running = False  # Global flag to control the background thread
 
-# --- Hardware Initialisation ---
+# --- Instrument Connection ---
 try:
     psu = vxi11.Instrument("192.168.45.3")
     scope = vxi11.Instrument("192.168.45.4")
-    setup_del = 0.2
+    # Increase timeout for large image data transfers
+    scope.timeout = 5
 except Exception as e:
     print(f"ERROR: CANNOT CONNECT TO INSTRUMENTS: {e}")
     sys.exit(1)
 
-def set_display(state):
+def setup_scope():
-    """ Helper to handle HTTP PUT with error catching """
+    """Initializes DSO80204B for 210MHz MIPI Signals"""
-    try:
+    print("Configuring Scope...")
-        r = requests.put(url, json={"state": state}, timeout=2)
+    scope.write("*RST")
-        return r.status_code == 200
+    time.sleep(1)
 
-    except requests.exceptions.RequestException:
+    # Setup Channels (1&2=Clock, 3&4=Data)
-        return False
+    for ch in range(1, 5):
-    
+        scope.write(f":CHANnel{ch}:DISPlay ON")
-def test_worker(interval):
+        scope.write(f":CHANnel{ch}:PROBe 19.2")  # 910R/50R Divider
-    """ Background loop that toggles the display """
+        scope.write(f":CHANnel{ch}:INPut DC50")
-    global test_running
+        scope.write(f":CHANnel{ch}:SCALe 0.1")   # 100mV/div (200mV HS swing)
-    print(f"\n[TEST STARTED] TOGGLING EVERY {interval} SECONDS. USE MENU TO STOP")
+        scope.write(f":CHANnel{ch}:OFFSet 0.0")
-    
+
-    state = "on"
+    # Timebase & Trigger
-    while test_running:
+    scope.write(":TIMebase:SCALe 10e-6")        # 10us/div
-        success = set_display(state)
+    scope.write(":TRIGger:EDGE:SOURce CHANnel3")
-        if not success:
+    scope.write(":TRIGger:EDGE:SLOPe FALLing")   # Catch LP-11 to HS transition
-            print(f"\n[TEST ERROR] FAILED TO REACH FLASK SERVER... STOPPING TEST...")
+    scope.write(":TRIGger:LEVel CHANnel3, 0.15") # 150mV
-            test_running = False
+    scope.write(":TRIGger:SWEep SINGle")
-            break
+    print("Scope Configured.")    
-            
+
-        # Toggle state for next iteration
+def save_screenshot(iteration):
-        state = "off" if state == "on" else "on"
+    try:
+        scope.clear()
+        # Use a very short, simple path. No subdirectories if possible.
+        # Ensure C:\TEMP exists!
+        filename = f"C:\\TEMP\\cap{iteration}.png"
         
-        # Sleep in small increments so we can exit the thread quickly
+        print(f"ATTEMPTING SIMPLEST XP SYNTAX: {filename}")
-        for _ in range(int(interval * 10)):
+
-            if not test_running: break
+        # Try ONLY the filename and the format. 
-            time.sleep(0.1)    
+        # Many XP versions hate the SCR,COL extra parameters via SCPI.
+        cmd = f':DISK:SAVE:IMAGe "{filename}",PNG'
+        
+        scope.write(cmd)
+        
+        # DO NOT use scope.ask() or any queries yet. 
+        # Just sleep and check the folder manually.
+        time.sleep(5.0) 
+        print("COMMAND SENT. CHECK C:\\TEMP")
+
+    except Exception as e:
+        print(f"XP COMM ERROR: {e}")
+
+def test_worker(on_time):
+    """ Background loop: 
+        - Sets display ON for user-defined duration.
+        - Sets display OFF for exactly 1 second.
+        """
+    global test_running
+    count = 1
+    
+    while test_running:
+        # Arm scope
+        scope.write(":SINGle")
+
+        # Start display
+        requests.put(URL, json={"state": "on"}, timeout=2)
+
+        # Wait for the scope to trigger and fill memory
+        # We wait slightly longer than the 'on_time' to ensure capture is done
+        time.sleep(on_time + 0.5)
+
+        # Pull the image
+        save_screenshot(count)
+        count += 1
+        
+        # Set Display OFF
+        requests.put(URL, json={"state": "off"}, timeout=2)
+        
+        #  Fixed 1s OFF period
+        time.sleep(1.0)
 
 def main_menu():
     global test_running
 
     """Main Application Loop."""
     while True:
-        print("\n=== MIPI TEST CONTROL ===")
+        print("\n===== MIPI TEST CONTROL =====")
         print("1. RUN IDN CHECK (PSU & SCOPE)")
-        print("2. CONFIGURE PSU (DEFAULT 24V/1.5A)")
+        print("2. SETUP SCOPE (RUN FIRST)")
-        print("3. PSU OUTPUT ON/OFF (CH1)")
+        print("3. CONFIGURE PSU (DEFAULT 24V/1.5A)")
-        print("4. START FLICKER TEST")
+        print("4. PSU OUTPUT ON/OFF (CH1)")
-        print("5. STOP FLICKER TEST")
+        print("5. START TEST & CAPTURE")
-        print("6. EXIT")
+        print("6. STOP TEST")
+        print("7. EXIT")
   
-        choice = input("\nSELECT OPTION (1-6): ")
+        choice = input("\nSELECT OPTION (1-7): ")
 
         if choice == '1':
             print(f"PSU: {psu.ask('*IDN?')}")
             print(f"SCOPE: {scope.ask('*IDN?')}")
         elif choice == '2':
+            setup_scope()
+        elif choice == '3':
             psu.write('CH1:VOLT 24.0')
             psu.write('CH1:CURR 1.5')
             print("PSU CONFIGURED...")
-        elif choice == '3':
+        elif choice == '4':
             state = input("TYPE 'ON' OR 'OFF': ").upper()
             psu.write(f'OUTP CH1,{state}')
-        elif choice == '4':
+        elif choice == '5':
             if not test_running:
                 try:
-                    sec = float(input("ENTER TOGGLE INTERVAL IN SECONDS: "))
+                    sec = float(input("ON DURATION (sec): "))
                     test_running = True
                     t = threading.Thread(target=test_worker, args=(sec,), daemon=True)
                     t.start()
@@ -91,10 +144,10 @@ def main_menu():
                     print("INVALID TIME ENTERED.")
             else:
                 print("TEST IS ALREADY RUNNING!")
-        elif choice == '5':
+        elif choice == '6':
             print("STOPPING TEST...")
             test_running = False
-        elif choice == '6':        
+        elif choice == '7':        
             test_running = False # Ensure thread stops
             psu.close()
             scope.close()