1 files changed, 26 insertions, 0 deletions
diff --git a/addons/hw_drivers/iot_handlers/interfaces/USBInterface.py b/addons/hw_drivers/iot_handlers/interfaces/USBInterface.py
new file mode 100644
index 00000000000..a1608189335
--- /dev/null
+++ b/addons/hw_drivers/iot_handlers/interfaces/USBInterface.py
@@ -0,0 +1,26 @@
+from usb import core
+
+from odoo.addons.hw_drivers.controllers.driver import Interface
+
+
+class USBInterface(Interface):
+    connection_type = 'usb'
+
+    def get_devices(self):
+        """
+        USB devices are identified by a combination of their `idVendor` and
+        `idProduct`. We can't be sure this combination in unique per equipment.
+        To still allow connecting multiple similar equipments, we complete the
+        identifier by a counter. The drawbacks are we can't be sure the equipments
+        will get the same identifiers after a reboot or a disconnect/reconnect.
+        """
+        usb_devices = {}
+        devs = core.find(find_all=True)
+        cpt = 2
+        for dev in devs:
+            dev.identifier =  "usb_%04x:%04x" % (dev.idVendor, dev.idProduct)
+            if dev.identifier in usb_devices:
+                dev.identifier += '_%s' % cpt
+                cpt += 1
+            usb_devices[dev.identifier] = dev
+        return usb_devices