config.h

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#ifndef CONFIG_H
#define CONFIG_H
 
#include <freertos/FreeRTOS.h>
#include <freertos/semphr.h>
 
#define DEBUG 0
 
// fallback to secrets.h.default
#ifdef __has_include
    #if __has_include("secrets.h")
        #include "secrets.h"
        #define USING_SECRETS_H
    #elif __has_include("secrets.h.default")
        #include "secrets.h.default"
        #warning "secrets.h not found, using secrets.h.default. Please copy secrets.h.default to secrets.h and configure your settings."
        #define USING_SECRETS_DEFAULT
    #else
        #error "Neither secrets.h nor secrets.h.default found. Please ensure secrets.h.default exists."
    #endif
#else
    // Fallback for compilers that don't support __has_include
    #include "secrets.h.default"
    #warning "Compiler doesn't support __has_include, using secrets.h.default as fallback."
    #define USING_SECRETS_DEFAULT
#endif
 
// DEVICE_ID for API
#define DEVICE_ID "SENTINEL-001" <
 
// Mutex declarations
extern SemaphoreHandle_t serialMutex; 
extern SemaphoreHandle_t modemMutex; 
extern SemaphoreHandle_t networkEventMutex; 
 
// Modem settings (NETWORK_APN is set in secrets.h)
// #define TINY_GSM_RX_BUFFER 1024
// #define LILYGO_T_A7670 //temp
#define TINY_GSM_USE_GPRS true
#define TINY_GSM_USE_WIFI false
 

#ifdef LILYGO_T_A7670
// RGB macros
#define RGB_RED_PIN 16
#define RGB_GREEN_PIN 15
#define RGB_BLUE_PIN 7
#elif LILYGO_T_SIM7670G_S3
#define RGB_RED_PIN 13
#define RGB_GREEN_PIN 14
#define RGB_BLUE_PIN 21
#endif

#define DHTTYPE DHT22
#ifdef LILYGO_T_A7670
#define DHT_PIN 32
#elif LILYGO_T_SIM7670G_S3
#define DHT_PIN 7
#endif
#define TEMP_DELTA_THRESHOLD 0.1
#define HUM_DELTA_THRESHOLD 1.0

#define STRAP_NAME "POLAR H9 EC351E2B"
#define STRAP_ADDRESS "a0:9e:1a:ec:35:1e"
#define HEARTRATE_SERVICE_UUID "180D"
#define HEARTRATE_CHAR_UUID "2A37"

#ifdef LILYGO_T_A7670
#define GAS_PIN (32)
#elif LILYGO_T_SIM7670G_S3
#define GAS_PIN (15)
#endif
// #define GAS_BOARD               "ESP-32"
// #define GAS_TYPE                "MQ-2"
// #define GAS_VOLTAGE_RESOLUTION  12
// #define GAS_ADC_BIT_RESOLUTION  12
#define GAS_RATIO_CLEANAIR 9.83
#define GAS_DELTA_THRESHOLD 5.0
/*
    Exponential regression:
    Gas    | a      | b
    H2     | 987.99 | -2.162
    LPG    | 574.25 | -2.222
    CO     | 36974  | -3.109
    Alcohol| 3616.1 | -2.675
    Propane| 658.71 | -2.168
*/
#define GAS_SETA 658.71
#define GAS_SETB -2.168

#ifdef LILYGO_T_A7670
#define SDA_PIN 21
#define SCL_PIN 22
#elif LILYGO_T_SIM7670G_S3
#define SDA_PIN 6
#define SCL_PIN 5
#endif
 
#define MPU6500_ADDR 0x68

#define ACC_THRESHOLD 2.0
#define ANGLE_THRESHOLD 60.0
#define MAX_TIME_BETWEEN 2000
#define STEP_THRESHOLD 1.2
#define STEP_DEBOUNCE_MS 300

#define X_OFFSET 0.0737
#define Y_OFFSET -0.6132
#define Z_OFFSET -0.9986
 
#endif