UB948 = 0x58
board.WriteI2C(UB948,0x68,0x19) # H active High monitor
Hhigh = board.ReadI2C(UB948, 0x69, 1)
board.WriteI2C(UB948,0x68,0x09) # H active Low monitor
Hlow = board.ReadI2C(UB948, 0x69, 1)
board.WriteI2C(UB948,0x68,0x39) # V active High monitor
Vhigh = board.ReadI2C(UB948, 0x69, 1)
board.WriteI2C(UB948,0x68,0x29) # V active Low monitor
Vlow = board.ReadI2C(UB948, 0x69, 1)
mask = int('00111111',2)
hlowmask = Hlow & mask
hhighmask = Hhigh & mask
vlowmask = Vlow & mask
vhighmask = Vhigh & mask
hhighmask = hhighmask << 6
vhighmask = vhighmask << 6
Hactive = hhighmask | hlowmask
Vactive = vhighmask | vlowmask
print Hactive ,"x", Vactive  #print out detected Dimensions
board.WriteI2C(UB948,0x68,0x0) #Disable readback feature