Show an error when libusb cannot be loaded

Author: mathoudebine

README.md

@@ -19,7 +19,7 @@ Supported operating systems : macOS, Windows, Linux (incl. Raspberry Pi), basica
 | ✅ Turing Smart Screen / TURZX                                                                                                                                                                                                                                                                                                                                                                  |
 |------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
 | <img src="res/docs/turing.webp" width="30%" height="30%"/> <img src="res/docs/turing46inch.png" width="30%" height="30%"/> <img src="res/docs/turing5inch.png" width="30%" height="30%"/> <br/> <img src="res/docs/turing2inch.webp" width="30%" height="30%"/> <img src="res/docs/turing8inch.png" width="30%" height="30%"/> <img src="res/docs/turing8inch.webp" width="30%" height="30%"/> |
-| All available sizes and hardware revisions supported: **2.1" / 2.8" / 3.5" / 4.6" / 5" / 5.2" / 8.0" / 8.8" / 9.2" / 12.3"** <br/>UART and WinUSB protocols supported. Note: no video or storage support for now                                                                                                                                                                               |
+| All available sizes and hardware revisions supported: **2.1" / 2.8" / 3.5" / 4.6" / 5" / 5.2" / 8.0" / 8.8" / 9.2" / 12.3"** <br/>UART and USB protocols supported. Note: no video or storage support for now                                                                                                                                                                                  |
 
 | ✅ XuanFang 3.5"                                   | ✅ [UsbPCMonitor 3.5" / 5"](https://aliexpress.com/item/1005003931363455.html)                       | ✅ Kipye Qiye Smart Display 3.5"                                                  |
 |---------------------------------------------------|-----------------------------------------------------------------------------------------------------|----------------------------------------------------------------------------------|

external/libusb-1.0/COPYING

@@ -257,9 +257,9 @@ def DisplayText(
         font_color = parse_color(font_color)
         background_color = parse_color(background_color)
 
-        assert x <= self.get_width(), 'Text X coordinate ' + str(x) + ' must be <= display width ' + str(
+        assert x <= self.get_width(), 'Text "' + text + '" X coordinate ' + str(x) + ' must be <= display width ' + str(
             self.get_width())
-        assert y <= self.get_height(), 'Text Y coordinate ' + str(y) + ' must be <= display height ' + str(
+        assert y <= self.get_height(), 'Text "' + text + '" Y coordinate ' + str(y) + ' must be <= display height ' + str(
             self.get_height())
         assert len(text) > 0, 'Text must not be empty'
         assert font_size > 0, "Font size must be > 0"

external/libusb-1.0/libusb-1.0.dll

@@ -24,6 +24,7 @@
 import shutil
 import struct
 import subprocess
+import sys
 import time
 from io import BytesIO
 from pathlib import Path
@@ -41,7 +42,7 @@
 
 # Map of display supported product IDs and their respective resolution in portrait mode
 PRODUCT_ID = {0x0046: (320, 960),  # Turing 4.6"
-    0x0052: (720, 1280),  # Turing 5.2"
+    0x0050: (720, 1280),  # Turing 5.2"
     0x0080: (800, 1280),  # Turing 8.0"
     0x0088: (480, 1920),  # Turing 8.8"
     0x0092: (462, 1920),  # Turing 9.2"
@@ -461,7 +462,19 @@ def find_usb_device():
     dev = None
     dev_pid = None
     for pid in PRODUCT_ID.keys():
-        dev = usb.core.find(idVendor=VENDOR_ID, idProduct=pid)
+        try:
+            dev = usb.core.find(idVendor=VENDOR_ID, idProduct=pid)
+        except usb.core.NoBackendError as e:
+            print("""[ERROR] %s: libusb could not be loaded from your system. Make sure it is installed.
+On Linux and BSD, these will generally be available on the distribution's official repositories.
+On macOS, libusb 1.0 can easily be installed through Homebrew: brew install libusb
+On Windows, manually copy 'external/libusb-1.0/libusb-1.0.dll' to C:\\Windows\\System32""" % str(
+                e))
+            try:
+                sys.exit(0)
+            except:
+                os._exit(0)
+
         dev_pid = pid
         if dev is not None:
             break

library/lcd/lcd_comm.py

@@ -29,7 +29,6 @@
 from library.pythoncheck import check_python_version
 check_python_version()
 
-import glob
 import os
 import sys
 

library/lcd/lcd_comm_turing_usb.py

@@ -10,8 +10,8 @@ tkinter-tooltip~=3.1.2 # Tooltips for configuration editor
 uptime~=3.0.1          # For System Uptime
 ping3~=5.1.5           # ICMP ping implementation using raw socket
 pyinstaller~=6.19.0    # bundles a Python application and all its dependencies into a single package
-pyusb~=1.3.1
-pycryptodome~=3.23.0
+pyusb~=1.3.1           # For TURZX USB models: communicate directly through USB
+pycryptodome~=3.23.0   # For TURZX USB models: decrypt/encrypt frames using DES
 
 # HTTP library
 requests~=2.32.5; python_version < "3.10"

main.py

@@ -127,7 +127,7 @@ begin
     'If you do not install it, some hardware metrics such as clocks, temperatures, etc. will be limited or unavailable.' + #13#10 +
     'More information: https://pawnio.eu/';
 
-  { Création de la case à cocher }
+  { Checkbox creation }
   InstallPawnIOCheckBox := TNewCheckBox.Create(PagePawnIO);
   InstallPawnIOCheckBox.Parent := PagePawnIO.Surface;
   InstallPawnIOCheckBox.Caption := 'Install / update PawnIO driver (admin. rights needed)';