Commit Graph

6 Commits

Author SHA1 Message Date
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
c7ac16f0e3 Add v4-tft code. 2026-01-26 13:48:15 +08:00
Scott Powell
3ddfdd477b Revert "add heltec_v4 tft expansion box"
This reverts commit 310618e689.
2025-11-27 21:34:52 +11:00
Quency-D
310618e689 add heltec_v4 tft expansion box 2025-11-19 11:43:52 +08:00
Quency-D
669bea04a0 add heltec_v4 board. 2025-09-22 19:58:27 +08:00