hid scanner support

2026-03-17 16:06:22 -03:00
parent 55ff314163
commit 0bd47658e9
1029 changed files with 150399 additions and 0 deletions
--- a/hid-scanner/hid.py
+++ b/hid-scanner/hid.py
@@ -0,0 +1,85 @@
+import usb.core
+import usb.util
+import usb.backend.libusb1
+import os
+import sys
+
+# Your exact scanner IDs
+VENDOR_ID = 0xFFFF
+PRODUCT_ID = 0x0035
+
+# Basic HID to ASCII translation dictionary
+HID_MAP = {
+    4: 'a', 5: 'b', 6: 'c', 7: 'd', 8: 'e', 9: 'f', 10: 'g', 11: 'h', 12: 'i',
+    13: 'j', 14: 'k', 15: 'l', 16: 'm', 17: 'n', 18: 'o', 19: 'p', 20: 'q',
+    21: 'r', 22: 's', 23: 't', 24: 'u', 25: 'v', 26: 'w', 27: 'x', 28: 'y', 29: 'z',
+    30: '1', 31: '2', 32: '3', 33: '4', 34: '5', 35: '6', 36: '7', 37: '8', 38: '9', 39: '0',
+    44: ' ', 45: '-', 46: '=', 55: '.', 56: '/'
+}
+
+def main():
+    # Force the local DLL backend
+    current_dir = os.path.dirname(os.path.abspath(__file__))
+    dll_path = os.path.join(current_dir, "libusb-1.0.dll")
+    
+    if not os.path.exists(dll_path):
+        print(f"Error: Missing {dll_path}")
+        sys.exit(1)
+        
+    backend = usb.backend.libusb1.get_backend(find_library=lambda x: dll_path)
+
+    # Find the scanner using the forced backend
+    dev = usb.core.find(idVendor=VENDOR_ID, idProduct=PRODUCT_ID, backend=backend)
+
+    if dev is None:
+        print("Scanner not found. Check Zadig driver again.")
+        sys.exit(1)
+
+    # Claim device
+    dev.set_configuration()
+    cfg = dev.get_active_configuration()
+    intf = cfg[(0,0)]
+
+    endpoint = usb.util.find_descriptor(
+        intf,
+        custom_match=lambda e: usb.util.endpoint_direction(e.bEndpointAddress) == usb.util.ENDPOINT_IN
+    )
+
+    print("Scanner locked. Waiting for barcodes...")
+    
+    current_barcode = ""
+
+    while True:
+        try:
+            # Read 8 bytes from the scanner
+            data = dev.read(endpoint.bEndpointAddress, endpoint.wMaxPacketSize, timeout=1000)
+            
+            keycode = data[2]
+            modifier = data[0]
+            is_shift = modifier == 2 or modifier == 32
+
+            if keycode == 0:
+                continue 
+                
+            if keycode == 40: # Enter key
+                print(f"Captured Barcode: {current_barcode}")
+                current_barcode = "" 
+            elif keycode in HID_MAP:
+                char = HID_MAP[keycode]
+                if is_shift and char.isalpha():
+                    char = char.upper()
+                current_barcode += char
+
+        except usb.core.USBError as e:
+            if e.args[0] == 10060 or e.args[0] == 110: 
+                continue
+            else:
+                print(f"USB Error: {e}")
+                break
+        except KeyboardInterrupt:
+            print("\nExiting and releasing scanner...")
+            usb.util.dispose_resources(dev)
+            break
+
+if __name__ == '__main__':
+    main()