#ifndef PIN_CONFIG_H
#define PIN_CONFIG_H

// =============================================================================
// LILYGO TTGO T-Call v1.4 Pin Configuration
// Core: ESP32-WROVER-B (ESP32-D0WDQ6)
// =============================================================================

// --- Modem (SIM800L) ---
#define MODEM_RST       5
#define MODEM_PWRKEY    4
#define MODEM_POWER_ON  23
#define MODEM_TX        27
#define MODEM_RX        26

// --- LED ---
#define LED_PIN         13

// --- I2C (IP5306 Power Management) ---
#define I2C_SDA         21
#define I2C_SCL         22

// --- RS485 (Acuvim II via MAX485/SP3485) ---
#define RS485_RX        32
#define RS485_TX        33
#define RS485_DE_RE     25

// --- SD Card (SPI - HSPI) ---
#define SD_CS           15
#define SD_MOSI         2
#define SD_MISO         14
#define SD_CLK          12

// --- Modem Serial ---
#define MODEM_BAUD      115200

// --- RS485 Serial Port ---
#define RS485_SERIAL    Serial2
#define RS485_BAUD_DEFAULT  9600

// --- Modbus Defaults ---
#define MODBUS_SLAVE_ADDR_DEFAULT   1
#define MODBUS_POLL_INTERVAL_DEFAULT 5000

#endif