RP2040/RP2350: Migrate variants to new structure (#7345)

variants/rp2040/rak11310/variant.h

@@ -0,0 +1,64 @@
+// #define RADIOLIB_CUSTOM_ARDUINO 1
+// #define RADIOLIB_TONE_UNSUPPORTED 1
+// #define RADIOLIB_SOFTWARE_SERIAL_UNSUPPORTED 1
+
+#define ARDUINO_ARCH_AVR
+
+// Define I2C pins to ensure correct usage of both ports
+#define I2C_SDA 20
+#define I2C_SCL 21
+#define I2C_SDA1 2
+#define I2C_SCL1 3
+
+#define LED_CONN PIN_LED2
+#define LED_PIN LED_BUILTIN
+#define ledOff(pin) pinMode(pin, INPUT)
+
+#define BUTTON_PIN 9
+#define BUTTON_NEED_PULLUP
+// #define EXT_NOTIFY_OUT 4
+
+#define BATTERY_PIN 26
+#define BATTERY_SENSE_RESOLUTION_BITS ADC_RESOLUTION
+// ratio of voltage divider = 3.0 (R17=200k, R18=100k)
+#define ADC_MULTIPLIER 1.84
+
+#define DETECTION_SENSOR_EN 28
+
+#define USE_SX1262
+
+#undef LORA_SCK
+#undef LORA_MISO
+#undef LORA_MOSI
+#undef LORA_CS
+
+// RAK BSP somehow uses SPI1 instead of SPI0
+#define HW_SPI1_DEVICE
+#define LORA_SCK (10u)
+#define LORA_MOSI (11u)
+#define LORA_MISO (12u)
+#define LORA_CS (13u)
+
+#define LORA_DIO0 RADIOLIB_NC
+#define LORA_RESET 14
+#define LORA_DIO1 29
+#define LORA_DIO2 15
+#define LORA_DIO3 RADIOLIB_NC
+
+#ifdef USE_SX1262
+#define SX126X_CS LORA_CS
+#define SX126X_DIO1 LORA_DIO1
+#define SX126X_BUSY LORA_DIO2
+#define SX126X_RESET LORA_RESET
+#define SX126X_POWER_EN 25
+// DIO2 controlls an antenna switch and the TCXO voltage is controlled by DIO3
+#define SX126X_DIO2_AS_RF_SWITCH
+#define SX126X_DIO3_TCXO_VOLTAGE 1.8
+#endif
+
+#define HAS_ETHERNET 1
+#define PIN_ETHERNET_RESET 7 // IO3
+#define PIN_ETHERNET_SS 17
+#define ETH_SPI_PORT SPI
+
+#define PIN_ETH_POWER_EN 22