diff usb488.py @ 8:381ed6f3d2d7

Save handle after using it, makes the code look nicer.
author Daniel O'Connor <darius@dons.net.au>
date Sat, 16 May 2009 23:32:33 +0930
parents 813e183cfd49
children a6b746654ae2
line wrap: on
line diff
--- a/usb488.py	Sat May 16 23:31:26 2009 +0930
+++ b/usb488.py	Sat May 16 23:32:33 2009 +0930
@@ -69,8 +69,7 @@
 # 2		bTagInverse	1	0xfd	Inverse of previous field
 # 3		Reserved	1	0x00
 # 4		TransferSize	4	0x64
-# 5		..			0x00
-# 6		..			0x00
+# 5		..			0x00# 6		..			0x00
 # 7		..			0x00
 # 8		bmTransferAttr	1	0x00
 # 9		Term char	1	0x00
@@ -135,10 +134,12 @@
             raise "Could not find a suitable USB device"
     
         # Open the device and claim the USB interface that supports the spec
-        self.handle = dev.open()
-        self.handle.setConfiguration(dev.configurations[confidx].value)
-        self.handle.claimInterface(altif.interfaceNumber)
-        self.handle.setAltInterface(altif.alternateSetting)
+        handle = dev.open()
+        handle.setConfiguration(dev.configurations[confidx].value)
+        handle.claimInterface(altif.interfaceNumber)
+        handle.setAltInterface(altif.alternateSetting)
+        self.dev = dev
+        self.handle = handle
 
         # Get some info for humans
         self.vendname = self.handle.getString(dev.iManufacturer, 1024)