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Replace PRNG with hardware RNG #4225

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Replace PRNG with hardware RNG #4225

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Commits on Oct 25, 2024

  1. Replace PRNG with hardware RNG 

    Both ESP8266 and ESP32 have a hardware random register. This update makes use of that. It is slightly faster than the fastled variants but mostly it is truly random, even when the timing limitations stated in the datasheet are disregarded. Also saves a bit on code size.

- Replaced all random8() and random16() calls with new hw_random() versions
- Not replaced in FX where PRNG is required
    @DedeHai
    DedeHai committed Oct 25, 2024
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