Sorry i only know how to use Arduino IDE (unfortunatly)
below is the config file for XIAO ESP32S3
#ifndef Pins_Arduino_h
#define Pins_Arduino_h
#include <stdint.h>
#include “soc/soc_caps.h”
#define USB_VID 0x2886
#define USB_PID 0x0056
#define EXTERNAL_NUM_INTERRUPTS 49
#define NUM_DIGITAL_PINS 49
#define NUM_ANALOG_INPUTS 20
static const uint8_t LED_BUILTIN = 21;
#define BUILTIN_LED LED_BUILTIN // backward compatibility
#define LED_BUILTIN LED_BUILTIN
#define analogInputToDigitalPin(p) (((p)<NUM_ANALOG_INPUTS)?(analogChannelToDigitalPin(p)):-1)
#define digitalPinToInterrupt(p) (((p)<NUM_DIGITAL_PINS)?(p):-1)
#define digitalPinHasPWM(p) (p < EXTERNAL_NUM_INTERRUPTS)
static const uint8_t TX = 43;
static const uint8_t RX = 44;
static const uint8_t SDA = 5;
static const uint8_t SCL = 6;
static const uint8_t SS = 44;
static const uint8_t MOSI = 9;
static const uint8_t MISO = 8;
static const uint8_t SCK = 7;
static const uint8_t A0 = 1;
static const uint8_t A1 = 2;
static const uint8_t A2 = 3;
static const uint8_t A3 = 4;
static const uint8_t A4 = 5;
static const uint8_t A5 = 6;
static const uint8_t A8 = 7;
static const uint8_t A9 = 8;
static const uint8_t A10 = 9;
static const uint8_t D0 = 1;
static const uint8_t D1 = 2;
static const uint8_t D2 = 3;
static const uint8_t D3 = 4;
static const uint8_t D4 = 5;
static const uint8_t D5 = 6;
static const uint8_t D6 = 43;
static const uint8_t D7 = 44;
static const uint8_t D8 = 7;
static const uint8_t D9 = 8;
static const uint8_t D10 = 9;
static const uint8_t T1 = 1;
static const uint8_t T2 = 2;
static const uint8_t T3 = 3;
static const uint8_t T4 = 4;
static const uint8_t T5 = 5;
static const uint8_t T6 = 6;
static const uint8_t T7 = 7;
static const uint8_t T8 = 8;
static const uint8_t T9 = 9;
#endif /* Pins_Arduino_h */