This commit is contained in:
J. Nick Koston
2026-03-29 15:38:36 -10:00
parent 71a6f876cf
commit 5a4056f12b
+4 -3
View File
@@ -164,9 +164,10 @@ class Scheduler {
} name_;
uint32_t interval;
// Split time to handle millis() rollover. The scheduler combines the 32-bit millis()
// with a 16-bit rollover counter to create a 48-bit time space (stored as 64-bit
// for compatibility). With 49.7 days per 32-bit rollover, the 16-bit counter
// supports 49.7 days × 65536 = ~8900 years. This ensures correct scheduling
// with a 16-bit rollover counter to create a 48-bit time space (using 32+16 bits).
// This is intentionally limited to 48 bits, not stored as a full 64-bit value.
// With 49.7 days per 32-bit rollover, the 16-bit counter supports
// 49.7 days × 65536 = ~8900 years. This ensures correct scheduling
// even when devices run for months. Split into two fields for better memory
// alignment on 32-bit systems.
uint32_t next_execution_low_; // Lower 32 bits of execution time (millis value)