Skip to content

Unlock 0x8B5 register macro guard for SX162 #9777

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Merged
thebentern merged 1 commit into from
Feb 28, 2026
Merged

Unlock 0x8B5 register macro guard for SX162 #9777

Changes from all commits
Commits
Show all changes
1 commit
Select commit
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
7 changes: 2 additions & 5 deletions src/mesh/SX126xInterface.cpp
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -194,16 +194,13 @@ template <typename T> bool SX126xInterface<T>::init()
LOG_INFO("Set RX gain to power saving mode (boosted mode off); result: %d", result);
}

#ifdef USE_GC1109_PA
// Undocumented SX1262 register patch recommended by Heltec/Semtech for improved RX sensitivity
// on boards with the GC1109 FEM. Sets bit 0 of register 0x8B5.
// Reference: https://github.com/meshcore-dev/MeshCore/pull/1398
// Undocumented SX1262 register patch recommended by Heltec/Semtech for improved RX sensitivity.
// Sets bit 0 of register 0x8B5.
if (module.SPIsetRegValue(0x8B5, 0x01, 0, 0) == RADIOLIB_ERR_NONE) {
LOG_INFO("Applied SX1262 register 0x8B5 patch for GC1109 RX improvement");
} else {
LOG_WARN("Failed to apply SX1262 register 0x8B5 patch for GC1109");
}
#endif

#if 0
// Read/write a register we are not using (only used for FSK mode) to test SPI comms
Expand Down
Loading