Added icon upload script, fixed ledmatrix for different layout

ledmatrix.py

@@ -77,13 +77,15 @@ class LedMatrix:
 		# one step to the east, and then south to north, before the cycle
 		# starts over.
 		stride = self.stride
-		phys_addr =  ((x-1)%self.panelcolumn) + ((y-1)*self.panelcolumn) + (self.round_down((x-1)/self.panelcolumn) * self.panelcolumn * self.panelcolumn)
+		phys_addr = int(((x)%self.panelcolumn) + ((y)*self.panelcolumn) + (self.round_down((x)/self.panelcolumn) * self.panelcolumn * self.panelcolumn))
 					#MOD(x-1;panelCol) + ((y-1)*panelCol) + (FLOOR.MATH((x-1)/panelCol;1)*panelCol*panelRow)
+		#print("xy_to_phys x=",x," y=",y," phys=",phys_addr)
+
 		# if x & 1:
 		# 	phys_addr += stride - 1 - y
 		# else:
 		# 	phys_addr += y
-		# return phys_addr
+		return phys_addr
 
 	def get_pixel(self, x, y):
 		"""