def write_byte(device_addr, reg, data):
if reg == "a":
reg = "GPIOA"
elif reg == "b":
reg = "GPIOB"
data = data_lookup(data)
reg = register_lookup(reg)
device = device_factory(device_addr)
device.write_byte(reg, data)
def read_byte(device_addr, reg):
device = device_factory(device_addr)
reg = register_lookup(reg)
data = device.read_byte(reg)
print("[+]read: " + register_names[reg] + ": " + repr_binary(data))
return data
