Implement notetaking app, ST7796 display with touch support, audio beep navigation, and video streaming

2026-06-08 15:04:36 -04:00
parent 070390355e
commit 3356e5d4a2
30 changed files with 3983 additions and 71 deletions
@@ -0,0 +1,86 @@
+import serial
+import time
+import sys
+
+PORT = '/dev/cu.usbmodem101'
+print("=== MicroPython Robust Flash Wipe Tool ===")
+print(f"Waiting for a clean, active connection on {PORT}...")
+print("Please press the physical RESET button on the board now...")
+
+ser = None
+while True:
+    try:
+        # Open port
+        ser = serial.Serial(PORT, 115200, timeout=1.0)
+        # Try writing Ctrl-C to verify if the link is active
+        ser.write(b'\x03')
+        time.sleep(0.01)
+        ser.write(b'\x03')
+        
+        # If write succeeded, we have an active link!
+        print("\n[+] Active connection established!")
+        break
+    except (serial.SerialException, OSError, Exception) as e:
+        if ser is not None:
+            try:
+                ser.close()
+            except:
+                pass
+            ser = None
+        # Print dot to show progress, stay on same line
+        print(".", end="")
+        sys.stdout.flush()
+        time.sleep(0.1)
+
+print("[*] Sending remaining Ctrl-C storm to break into REPL...")
+for _ in range(80):
+    try:
+        ser.write(b'\x03')
+        time.sleep(0.005)
+    except Exception as e:
+        print(f"\n[-] Write error during storm: {e}")
+        break
+
+time.sleep(0.1)
+try:
+    ser.reset_input_buffer()
+except Exception as e:
+    print(f"[-] Buffer reset failed: {e}")
+
+# Check if we have REPL access
+print("[*] Verifying REPL responsiveness...")
+try:
+    ser.write(b'\r\n')
+    time.sleep(0.2)
+    if ser.in_waiting:
+        resp = ser.read(ser.in_waiting)
+        print(f"REPL Response:\n{resp.decode('utf-8', errors='ignore')}")
+    else:
+        ser.write(b'\x03\r\n')
+        time.sleep(0.2)
+        resp = ser.read(ser.in_waiting)
+        print(f"REPL Response:\n{resp.decode('utf-8', errors='ignore')}")
+except Exception as e:
+    print(f"[-] REPL verification failed: {e}")
+    ser.close()
+    sys.exit(1)
+
+print("[*] Deleting all files on the flash...")
+wipe_code = b"import os; print('FILES_BEFORE:', os.listdir()); [os.remove(f) for f in os.listdir() if not (os.stat(f)[0] & 0x4000)]; print('FILES_AFTER:', os.listdir()); print('WIPE_SUCCESS')\r\n"
+
+try:
+    ser.write(wipe_code)
+    time.sleep(1.0)
+    if ser.in_waiting:
+        result = ser.read(ser.in_waiting).decode('utf-8', errors='ignore')
+        print(f"Execution Output:\n{result}")
+        if "WIPE_SUCCESS" in result:
+            print("[+] SUCCESS! Flash has been wiped clean.")
+        else:
+            print("[-] Wipe did not finish successfully.")
+    else:
+        print("[-] No response to wipe command.")
+except Exception as e:
+    print(f"[-] Error during wipe command execution: {e}")
+
+ser.close()