sgjourney Stargate Type test

INTERFACE_TYPES = {
    "basic_interface",
    "crystal_interface",
    "advanced_crystal_interface"
};

INTERFACE_TYPE = INTERFACE_TYPES[1];
INTERFACE = peripheral.find(INTERFACE_TYPE);
if INTERFACE == null then
    INTERFACE_TYPE = INTERFACE_TYPES[2];
    INTERFACE = peripheral.find(INTERFACE_TYPE);
elseif INTERFACE == null then
    INTERFACE_TYPE = INTERFACE_TYPES[3];
    INTERFACE = peripheral.find(INTERFACE_TYPE);
elseif INTERFACE == null then
    INTERFACE_TYPE = nil;
end

if INTERFACE_TYPE == nil then
    STARGATE_TYPE = nil;
else
    STARGATE_TYPE = INTERFACE.getStargateType();
end

print("Interface Type : " + INTERFACE_TYPE);
print("Stargate Type : " + STARGATE_TYPE);