remap pins for paper size

screenless/bureau/photography/photography.py

@@ -34,9 +34,9 @@ class Photography(Bureau):
     prefix = "PX"
     version = 0
     landscape_pin = port.PB3
-    a3_pin = port.PB4
-    a4_pin = port.PB5
-    a5_pin = port.PB6
+    a5_pin = port.PB5
+    a4_pin = port.PB4
+    a6_pin = port.PB6
     doc_light_pin = port.PB7
 
     def __init__(self):
@@ -115,20 +115,23 @@ class Photography(Bureau):
         #TODO: crop here to trim calibrated extra pixels
 
         xsize, ysize = img.size
-        if gpio.input(self.a3_pin) == 0:
-            pass
         if gpio.input(self.a4_pin) == 0:
+            print("scanning as A4")
             offset = (xsize - ysize) / 2
             box = (offset, 0, (offset + ysize), xsize / 2)
             img = img.crop(box)
         elif gpio.input(self.a5_pin) == 0:
+            print("scanning as A5")
             offset = xsize / 4
             box = (offset, 0, (offset + (xsize / 2)), ysize / 2)
             img = img.crop(box)
-        else:
+        elif gpio.input(self.a6_pin) == 0:
+            print("scanning as A6")
             offset = (xsize - (ysize / 2)) / 2
             box = (offset, 0, (offset + (ysize / 2)), xsize / 4)
             img = img.crop(box)
+        else:
+            print("scanning as A3")
 
         # rotate
         if gpio.input(self.landscape_pin) == 0: