From e02cdefadd704eb6a7d3812ac0af8b89c577ab3e Mon Sep 17 00:00:00 2001
From: Konrad Iturbe <KonradIT@users.noreply.github.com>
Date: Thu, 13 Mar 2025 11:50:31 +0100
Subject: [PATCH] Add support for Lilygo T3S3 V1.2 SX1276 board (#142)

---
 .vscode/settings.json     |  4 ++-
 lib/comms/radio_comms.cpp |  4 +--
 platformio.ini            | 54 +++++++++++++++++++++++++++++++++++++++
 3 files changed, 59 insertions(+), 3 deletions(-)

diff --git a/.vscode/settings.json b/.vscode/settings.json
index b5ca201..21ea773 100644
--- a/.vscode/settings.json
+++ b/.vscode/settings.json
@@ -13,6 +13,8 @@
     "files.insertFinalNewline": true,
     "files.autoSave": "onFocusChange",
     "files.associations": {
-        "cstdint": "cpp"
+        "cstdint": "cpp",
+        "system_error": "cpp",
+        "*.tpp": "cpp"
     },
 }
diff --git a/lib/comms/radio_comms.cpp b/lib/comms/radio_comms.cpp
index 2048359..a994cdb 100644
--- a/lib/comms/radio_comms.cpp
+++ b/lib/comms/radio_comms.cpp
@@ -372,9 +372,9 @@ Message *RadioComms::receive(uint16_t timeout_ms)
 {
     uint8_t msg[MAX_MSG];
 
-#ifdef USING_LR1121
+#if defined(USING_LR1121) || defined(USING_SX1276)
     Message *message = NULL;
-#warning Radio Comms not fully supported for LR1121
+#warning Radio Comms not fully supported for LR1121 or SX1276
 #else
     // because of this, receive is single-threaded, single-device
     _received = false;
diff --git a/platformio.ini b/platformio.ini
index 8da9cdc..38c2628 100644
--- a/platformio.ini
+++ b/platformio.ini
@@ -562,6 +562,60 @@ build_flags =
 	-DARDUINO_LILYGO_T3_V1_6
 	-DARDUINO_USB_MODE=1
 
+[env:lilygo-T3S3-v1-2-sx1276-full-spectrum]
+platform = espressif32
+board = t3_s3_v1_x
+framework = arduino
+upload_speed = 921600
+monitor_speed = 115200
+board_build.f_cpu = 240000000
+board_build.filesystem = littlefs
+lib_deps = 
+	ropg/Heltec_ESP32_LoRa_v3@^0.9.1
+	RadioLib
+	U8g2
+	XPowersLib
+build_flags = 
+	-DLILYGO
+	-DT3_S3_V1_2_SX1276
+	-DARDUINO_LILYGO_T3S3_SX1276
+	-DESP32
+	-DUSING_SX1276
+	-DARDUINO_ARCH_ESP32
+	-DSAMPLES_RSSI=5
+	-DARDUINO_USB_CDC_ON_BOOT=1
+	-DARDUINO_LILYGO_T3_S3_V1_X
+	-DARDUINO_USB_MODE=1
+    ; 127 MHz-1020Mhz: 
+	; https://www.semtech.com/products/wireless-rf/lora-connect/sx1276
+	-DFREQ_BEGIN=127 
+	-DFREQ_END=1020
+
+[env:lilygo-T3S3-v1-2-sx1276]
+platform = espressif32
+board = t3_s3_v1_x
+framework = arduino
+upload_speed = 921600
+monitor_speed = 115200
+board_build.f_cpu = 240000000
+board_build.filesystem = littlefs
+lib_deps = 
+	ropg/Heltec_ESP32_LoRa_v3@^0.9.1
+	RadioLib
+	U8g2
+	XPowersLib
+build_flags = 
+	-DLILYGO
+	-DT3_S3_V1_2_SX1276
+	-DARDUINO_LILYGO_T3S3_SX1276
+	-DESP32
+	-DUSING_SX1276
+	-DARDUINO_ARCH_ESP32
+	-DSAMPLES_RSSI=5
+	-DARDUINO_USB_CDC_ON_BOOT=1
+	-DARDUINO_LILYGO_T3_S3_V1_X
+	-DARDUINO_USB_MODE=1
+
 ;; More old lylygo/titygo boeads defenitions you can find here:
 ;; https://github.com/PTR-projects/PTR_GroundStation_firmware/blob/main/platformio.ini
 ;; https://github.com/Xinyuan-LilyGO/LilyGo-LoRa-Series/blob/master/platformio.ini