firmware/variants/seeed_xiao_s3/variant.h

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/*
*/
/*
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
/*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 1
#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 41
#define LORA_RESET 42
#define LORA_DIO1 39
#define LORA_DIO2 38
#ifdef USE_SX1262
#define SX126X_CS LORA_CS
#define SX126X_DIO1 LORA_DIO1
#define SX126X_BUSY 40
#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 38
#define SX126X_TXEN RADIOLIB_NC
#define SX126X_DIO3_TCXO_VOLTAGE 1.8
#endif