Add 'plugins/USBPrinting/' from commit 'b28ca0881a'

git-subtree-dir: plugins/USBPrinting
git-subtree-mainline: 3823afd8cc
git-subtree-split: b28ca0881a

plugins/USBPrinting/avr_isp/chipDB.py

@@ -0,0 +1,25 @@
+"""
+Database of AVR chips for avr_isp programming. Contains signatures and flash sizes from the AVR datasheets.
+To support more chips add the relevant data to the avrChipDB list.
+This is a python 3 conversion of the code created by David Braam for the Cura project.
+"""
+
+avrChipDB = {
+    'ATMega1280': {
+            'signature': [0x1E, 0x97, 0x03],
+            'pageSize': 128,
+            'pageCount': 512,
+    },
+    'ATMega2560': {
+            'signature': [0x1E, 0x98, 0x01],
+            'pageSize': 128,
+            'pageCount': 1024,
+    },
+}
+
+def getChipFromDB(sig):
+    for chip in avrChipDB.values():
+        if chip['signature'] == sig:
+            return chip
+    return False
+