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TOTP tokens on my wrist with the smartest dumb watch

(blog.singleton.io)
274 points alexmolas | 1 comments | 26 Jul 24 19:20 UTC | HN request time: 0.201s | source
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omoikane ◴[27 Jul 24 18:07 UTC] No.41088294[source]▶
Looks like the WASM emulator does not emulate the classic Casio easter egg, or was I holding it wrong?
replies(1): >>41093852 #
1. matheusmoreira ◴[28 Jul 24 15:25 UTC] No.41093852[source]▶
Not at all. The reason the easter egg does not appear is this is not actually a Casio Module 593 emulator. It is simply running the compiled sensor watch firmware. So for those words to appear there must be code in the firmware to make it happen. And someone has sent a pull request for it! Unfortunately it was rejected due to trademark concerns.

https://github.com/joeycastillo/Sensor-Watch/pull/102

The sensor watch board is not being fully emulated either. The code is compiled to WASM and run directly. Some functionality is missing. Low power states, for example: the emulator freezes if the firmware tries to put the watch to sleep.

It would be nice if the sensor watch board could be ported to qemu. I tried to do it only to discover I was a little out of my depth.