4 Commits

Author SHA1 Message Date
Quency-D
cdca79540f Update Heltec Tracker v2 to version KCT8103L. 2026-03-06 14:19:07 +08:00
Wessel Nieboer
2bb6f636a4 Add 1ms delay after powering PA (cold-boot) 2026-02-28 19:05:31 +01:00
Wessel Nieboer
329e408197 Hold GC1109 PA_POWER during deep sleep for LNA RX wake
The GC1109 FEM needs its VFEM_Ctrl pin held HIGH during deep sleep
to keep the LNA active, enabling proper RX sensitivity for
wake-on-packet. Without this, the LNA is unpowered during sleep
and RX wake sensitivity is degraded by ~17dB.

Release RTC holds in begin() after configuring GPIO registers
(not before) to ensure glitch-free pin transitions on wake.

Trade-off: ~6.5mA additional sleep current for significantly
improved wake-on-packet range.
2026-02-28 19:05:31 +01:00
Quency-D
70ac820594 add heltec tracker v2 board. 2025-10-11 18:01:26 +08:00