#ifndef BOARD_CONFIG_H

#define BOARD_CONFIG_H

// Board identification and pin configuration

#ifdef BOARD_SUPERMINI

#define BOARD_NAME "ESP32-S3-DevKitC-1 (SuperMini)"

#define BOARD_TYPE_SUPERMINI

#elif defined(BOARD_XIAO)

#define BOARD_NAME "XIAO ESP32S3"

#define BOARD_TYPE_XIAO

#else

#define BOARD_NAME "ESP32-S3 (Unknown)"

#define BOARD_TYPE_SUPERMINI // Default fallback

#endif

// Pin definitions (currently identical for both boards)

#define HX711_DATA_PIN 5 // GPIO5 - HX711 Data pin

#define HX711_CLOCK_PIN 6 // GPIO6 - HX711 Clock pin

#define TOUCH_TARE_PIN 4 // GPIO4 - Touch sensor for tare (T0)

#define TOUCH_SLEEP_PIN 3 // GPIO3 - Touch sensor for sleep functionality

#define BATTERY_PIN 7 // GPIO7 - Battery voltage monitoring (ADC1_CH6)

#define I2C_SDA_PIN 8 // GPIO8 - I2C Data pin for display

#define I2C_SCL_PIN 9 // GPIO9 - I2C Clock pin for display

#define BUZZER_PIN 2 // GPIO2 - Piezo sounder, non-inverted half. Free, non-strapping on ESP32-S3.

#define BUZZER_PIN_INV 1 // GPIO1 - inverted half (differential/BTL drive). Adjacent to GPIO2 for easy wiring. 255 = single-ended.

// Brownout A/B test: 1 = differential/BTL (loud, GPIO1+GPIO2 antiphase, ~2x swing & current);

// 0 = single-ended (GPIO1 held at GND, GPIO2 drives) ~half the current — NO rewiring needed.

// Flip to 0 and reflash; if the beep-time crashes stop, the cause is electrical (add a series resistor).

#define BUZZER_DIFFERENTIAL 1

#define BUZZER_LEDC_CHANNEL 0 // LEDC channel for the piezo (LEDC is otherwise unused)

#define BUZZER_RESONANT_HZ 4200 // 27mm disc resonant frequency (loudest tone)

// Board-specific configurations

#ifdef BOARD_TYPE_SUPERMINI

#define FLASH_SIZE_MB 4

#define BOARD_DESCRIPTION "ESP32-S3 SuperMini with 4MB Flash"

#elif defined(BOARD_TYPE_XIAO)

#define FLASH_SIZE_MB 8

#define BOARD_DESCRIPTION "XIAO ESP32S3 with 8MB Flash"

#endif

// Common ESP32-S3 features available on both boards

#define HAS_WIFI true

#define HAS_BLUETOOTH true

#define HAS_PSRAM true

#define HAS_TOUCH_SENSOR true

#define ADC_RESOLUTION 12 // 12-bit ADC

#define PWM_RESOLUTION 8 // 8-bit PWM

#endif // BOARD_CONFIG_H