#define I2C_SCL 1
#define I2C_SDA 2
#define PIN_VBAT_READ    8
#define AREF_VOLTAGE            (3.0)
#define ADC_MULTIPLIER (2.11F)
#define PIN_BUZZER 9
#define PIN_VEXT_EN_ACTIVE HIGH
#define PIN_VEXT_EN 46
#define PIN_USER_BTN 21
//#define PIN_LED 3
//#define PIN_STATUS_LED 1
#define PIN_PWRBTN 14

#define PIN_DISPLAY_MISO               (-1)
#define PIN_DISPLAY_MOSI               (45)
#define PIN_DISPLAY_SCLK               (38)
#define PIN_DISPLAY_CS                 (39)
#define PIN_DISPLAY_DC                 (40)
#define PIN_DISPLAY_RST                (41)
#define PIN_DISPLAY_BUSY               (42)
#define EXP_PIN_BACKLIGHT              (5)
#define EXP_PIN_POWER                  (4)

#define PIN_GPS_EN                      (11)
#define PIN_GPS_RESET                   (13)
#define PIN_GPS_RX                      (20)
#define PIN_GPS_TX                      (19)
#define PIN_GPS_SWITCH                  (10)