From dd840a3080456c678849bfc1b6338b41e5caf559 Mon Sep 17 00:00:00 2001
From: Sabering <39810634+Sabering1@users.noreply.github.com>
Date: Sun, 20 Jul 2025 03:11:25 +0200
Subject: [PATCH] Create variant.h

---
 variants/ seeed_s3_gpio/variant.h | 90 +++++++++++++++++++++++++++++++
 1 file changed, 90 insertions(+)
 create mode 100644 variants/ seeed_s3_gpio/variant.h

diff --git a/variants/ seeed_s3_gpio/variant.h b/variants/ seeed_s3_gpio/variant.h
new file mode 100644
index 000000000..63f62a629
--- /dev/null
+++ b/variants/ seeed_s3_gpio/variant.h	
@@ -0,0 +1,90 @@
+/*
+ ▄▄▄▄▄▄▄▄▄▄▄  ▄▄▄▄▄▄▄▄▄▄▄  ▄▄▄▄▄▄▄▄▄▄▄  ▄▄▄▄▄▄▄▄▄▄▄  ▄▄▄▄▄▄▄▄▄▄
+▐░░░░░░░░░░░▌▐░░░░░░░░░░░▌▐░░░░░░░░░░░▌▐░░░░░░░░░░░▌▐░░░░░░░░░░▌
+▐░█▀▀▀▀▀▀▀▀▀ ▐░█▀▀▀▀▀▀▀▀▀ ▐░█▀▀▀▀▀▀▀▀▀ ▐░█▀▀▀▀▀▀▀▀▀ ▐░█▀▀▀▀▀▀▀█░▌
+▐░▌          ▐░▌          ▐░▌          ▐░▌          ▐░▌       ▐░▌
+▐░█▄▄▄▄▄▄▄▄▄ ▐░█▄▄▄▄▄▄▄▄▄ ▐░█▄▄▄▄▄▄▄▄▄ ▐░█▄▄▄▄▄▄▄▄▄ ▐░▌       ▐░▌
+▐░░░░░░░░░░░▌▐░░░░░░░░░░░▌▐░░░░░░░░░░░▌▐░░░░░░░░░░░▌▐░▌       ▐░▌
+ ▀▀▀▀▀▀▀▀▀█░▌▐░█▀▀▀▀▀▀▀▀▀ ▐░█▀▀▀▀▀▀▀▀▀ ▐░█▀▀▀▀▀▀▀▀▀ ▐░▌       ▐░▌
+          ▐░▌▐░▌          ▐░▌          ▐░▌          ▐░▌       ▐░▌
+ ▄▄▄▄▄▄▄▄▄█░▌▐░█▄▄▄▄▄▄▄▄▄ ▐░█▄▄▄▄▄▄▄▄▄ ▐░█▄▄▄▄▄▄▄▄▄ ▐░█▄▄▄▄▄▄▄█░▌
+▐░░░░░░░░░░░▌▐░░░░░░░░░░░▌▐░░░░░░░░░░░▌▐░░░░░░░░░░░▌▐░░░░░░░░░░▌
+ ▀▀▀▀▀▀▀▀▀▀▀  ▀▀▀▀▀▀▀▀▀▀▀  ▀▀▀▀▀▀▀▀▀▀▀  ▀▀▀▀▀▀▀▀▀▀▀  ▀▀▀▀▀▀▀▀▀▀
+
+  ▄       ▄  ▄▄▄▄▄▄▄▄▄▄▄  ▄▄▄▄▄▄▄▄▄▄▄  ▄▄▄▄▄▄▄▄▄▄▄       ▄▄▄▄▄▄▄▄▄▄▄  ▄▄▄▄▄▄▄▄▄▄▄
+ ▐░▌     ▐░▌▐░░░░░░░░░░░▌▐░░░░░░░░░░░▌▐░░░░░░░░░░░▌     ▐░░░░░░░░░░░▌▐░░░░░░░░░░░▌
+  ▐░▌   ▐░▌  ▀▀▀▀█░█▀▀▀▀ ▐░█▀▀▀▀▀▀▀█░▌▐░█▀▀▀▀▀▀▀█░▌     ▐░█▀▀▀▀▀▀▀▀▀  ▀▀▀▀▀▀▀▀▀█░▌
+   ▐░▌ ▐░▌       ▐░▌     ▐░▌       ▐░▌▐░▌       ▐░▌     ▐░▌                    ▐░▌
+    ▐░▐░▌        ▐░▌     ▐░█▄▄▄▄▄▄▄█░▌▐░▌       ▐░▌     ▐░█▄▄▄▄▄▄▄▄▄  ▄▄▄▄▄▄▄▄▄█░▌
+     ▐░▌         ▐░▌     ▐░░░░░░░░░░░▌▐░▌       ▐░▌     ▐░░░░░░░░░░░▌▐░░░░░░░░░░░▌
+    ▐░▌░▌        ▐░▌     ▐░█▀▀▀▀▀▀▀█░▌▐░▌       ▐░▌      ▀▀▀▀▀▀▀▀▀█░▌ ▀▀▀▀▀▀▀▀▀█░▌
+   ▐░▌ ▐░▌       ▐░▌     ▐░▌       ▐░▌▐░▌       ▐░▌               ▐░▌          ▐░▌
+  ▐░▌   ▐░▌  ▄▄▄▄█░█▄▄▄▄ ▐░▌       ▐░▌▐░█▄▄▄▄▄▄▄█░▌      ▄▄▄▄▄▄▄▄▄█░▌ ▄▄▄▄▄▄▄▄▄█░▌
+ ▐░▌     ▐░▌▐░░░░░░░░░░░▌▐░▌       ▐░▌▐░░░░░░░░░░░▌     ▐░░░░░░░░░░░▌▐░░░░░░░░░░░▌
+  ▀       ▀  ▀▀▀▀▀▀▀▀▀▀▀  ▀         ▀  ▀▀▀▀▀▀▀▀▀▀▀       ▀▀▀▀▀▀▀▀▀▀▀  ▀▀▀▀▀▀▀▀▀▀▀
+*/
+
+/*
+Board Information: https://www.seeedstudio.com/XIAO-ESP32S3-Sense-p-5639.html
+Expansion Board Infomation : https://www.seeedstudio.com/Seeeduino-XIAO-Expansion-board-p-4746.html
+L76K GPS Module Information : https://www.seeedstudio.com/L76K-GNSS-Module-for-Seeed-Studio-XIAO-p-5864.html
+*/
+
+#define LED_PIN 48
+#define LED_STATE_ON 1 // State when LED is lit
+
+#define BUTTON_PIN 21 // This is the Program Button
+#define BUTTON_NEED_PULLUP
+
+#define BATTERY_PIN -1
+#define ADC_CHANNEL ADC1_GPIO1_CHANNEL
+#define BATTERY_SENSE_RESOLUTION_BITS 12
+
+/*Warning:
+    https://www.seeedstudio.com/L76K-GNSS-Module-for-Seeed-Studio-XIAO-p-5864.html
+    L76K Expansion Board can not directly used, L76K Reset Pin needs to override or physically remove it,
+    otherwise it will conflict with the SPI pins
+*/
+#define GPS_L76K
+#ifdef GPS_L76K
+#define GPS_RX_PIN 44
+#define GPS_TX_PIN 43
+#define HAS_GPS 0
+#define GPS_BAUDRATE 9600
+#define GPS_THREAD_INTERVAL 50
+#define PIN_SERIAL1_RX PIN_GPS_TX
+#define PIN_SERIAL1_TX PIN_GPS_RX
+#define PIN_GPS_STANDBY 1
+#endif
+
+// XIAO S3 Expansion board  has 1.3 inch OLED Screen
+#define USCREEN_SSD1306
+
+#define I2C_SDA 5
+#define I2C_SCL 6
+
+// XIAO S3 LORA module
+#define USE_SX1262
+
+#define LORA_MISO 8
+#define LORA_SCK 7
+#define LORA_MOSI 9
+#define LORA_CS 5
+
+#define LORA_RESET 3
+#define LORA_DIO1 2
+
+#define LORA_DIO2 5
+
+#ifdef USE_SX1262
+#define SX126X_CS LORA_CS
+#define SX126X_DIO1 LORA_DIO1
+#define SX126X_BUSY 4
+#define SX126X_RESET LORA_RESET
+
+//  DIO2 controlls an antenna switch and the TCXO voltage is controlled by DIO3
+#define SX126X_DIO2_AS_RF_SWITCH
+#define SX126X_RXEN 6
+#define SX126X_TXEN RADIOLIB_NC
+#define SX126X_DIO3_TCXO_VOLTAGE 1.8
+#endif