So if you turned the screen off and on every 1 second, you'd get a different code every single time? I don't think there's a reasonable way to do that within t

So if you turned the screen off and on every 1 second, you'd get a different code every single time? I don't think there's a reasonable way to do that within the TOTP specification. There's (eventually) got to be some rate-limiting or it will reduce the security.