From 2dd1e830badfe435d68ac8ec1514cf7bb5f2b325 Mon Sep 17 00:00:00 2001
From: Maze X <maze@booking.com>
Date: Fri, 27 Mar 2026 17:17:09 +0100
Subject: [PATCH] Add comprehensive pin definitions for Heltec V3 (renamed to
 SOC_PIN_*/GPS_PIN_*)

---
 hardware/heltec/v3/platformio.ini | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)

diff --git a/hardware/heltec/v3/platformio.ini b/hardware/heltec/v3/platformio.ini
index 7a51b04..7546f6d 100644
--- a/hardware/heltec/v3/platformio.ini
+++ b/hardware/heltec/v3/platformio.ini
@@ -11,3 +11,21 @@ build_flags =
     -DLORA_PIN_DIO1=14
     -DLORA_PIN_RESET=12
     -DLORA_PIN_BUSY=13
+    ; SX1262 RF switch and tuning
+    -DSX126X_DIO2_AS_RF_SWITCH=true
+    -DSX126X_DIO3_TCXO_VOLTAGE=1.8
+    -DSX126X_CURRENT_LIMIT=140
+    -DSX126X_RX_BOOSTED_GAIN=1
+    ; GPIO
+    -DPIN_USER_BTN=0
+    -DPIN_VEXT_EN=36
+    -DLORA_TX_LED=35
+    ; I2C (SoC pins)
+    -DSOC_PIN_SDA=17
+    -DSOC_PIN_SCL=18
+    ; GPS
+    -DGPS_PIN_RX=47
+    -DGPS_PIN_TX=48
+    -DGPS_PIN_EN=26
+    ; TX power
+    -DLORA_TX_POWER=22