jeans/WLED
jeans/WLED
1
0
Fork 0
mirror of https://github.com/wled/WLED.git synced 2025-04-24 06:47:18 +00:00
Code Issues Packages Projects Releases Wiki Activity

Seed FastLED's random functions during startup

Browse Source 
This allows effects or color palettes that use FastLED's RNG to be
different each time the device is powered on.
This commit is contained in:
TripleWhy 2023-11-27 18:10:58 +01:00
parent 528b8b1271
commit 25c5e823d9
1 changed files with 10 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

10
wled00/wled.cpp
View File

@ -495,6 +495,16 @@ void WLED::setup()
initServer();
DEBUG_PRINT(F("heap ")); DEBUG_PRINTLN(ESP.getFreeHeap());
// Seed FastLED random functions with an esp random value, which already works properly at this point.
#if defined(ARDUINO_ARCH_ESP32)
const uint32_t seed32 = esp_random();
#elif defined(ARDUINO_ARCH_ESP8266)
const uint32_t seed32 = RANDOM_REG32;
#else
const uint32_t seed32 = random(std::numeric_limits<long>::max());
#endif
random16_set_seed((uint16_t)((seed32 & 0xFFFF) ^ (seed32 >> 16)));
#if WLED_WATCHDOG_TIMEOUT > 0
enableWatchdog();
#endif