From 9cd7a847bfd83a5200207da59d83f47d4eae838f Mon Sep 17 00:00:00 2001
From: Kevin Le <vinhdat82@gmail.com>
Date: Wed, 16 Sep 2026 09:25:02 +0700
Subject: [PATCH] Added BSEC to RAK3401

---
 variants/rak3401/platformio.ini | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/variants/rak3401/platformio.ini b/variants/rak3401/platformio.ini
index a16c3e46..3e86c6fb 100644
--- a/variants/rak3401/platformio.ini
+++ b/variants/rak3401/platformio.ini
@@ -3,6 +3,8 @@ extends = nrf52_base
 board = rak3401
 board_check = true
 board_build.ldscript = boards/nrf52840_s140_v6.ld
+extra_scripts = ${nrf52_base.extra_scripts}
+  post:variants/rak3401/fix_bsec_lib.py
 build_flags = ${nrf52_base.build_flags}
   ${sensor_base.build_flags}
   -I variants/rak3401
@@ -18,6 +20,8 @@ build_flags = ${nrf52_base.build_flags}
   -D FORCE_GPS_ALIVE               ; on RAK3401, gpsResetPin ends up = WB_IO2 (kills 3V3_S rail) or
                                    ; pin 4 (= SX126X_RESET, holds radio in reset). stop_gps() must not run.
   -D PIN_GPS_EN=-1                 ; -1 = no dedicated GPS enable pin (power is the shared 3V3_S rail), same as rak4631
+  -UENV_INCLUDE_BME680
+  -D ENV_INCLUDE_BME680_BSEC=1
 build_src_filter = ${nrf52_base.build_src_filter}
   +<../variants/rak3401>
   +<helpers/sensors>
@@ -28,6 +32,7 @@ lib_deps =
   ${sensor_base.lib_deps}
   adafruit/Adafruit SSD1306 @ ^2.5.13
   sparkfun/SparkFun u-blox GNSS Arduino Library@^2.2.27
+  boschsensortec/BSEC Software Library @ ^1.8.1492
 
 [env:RAK_3401_repeater]
 extends = rak3401