// Signature and version codes 
#define SIGNATURE_CODE1             0x0F // day 
#define SIGNATURE_CODE2             0x02 // month
#define SIGNATURE_CODE3             0x20 // century
#define SIGNATURE_CODE4             0x12 // year of century
#define CODE_MAYOR_VERSION          0X00 
#define CODE_MINOR_VERSION          0X01

// Default system config
#define DEFAULT_system_useBacklight                 false
#define DEFAULT_system_useSpeaker                   true
#define DEFAULT_system_models                       0
#define DEFAULT_BATTERY_HIGH                        420 // BYTE
#define DEFAULT_BATTERY_LOW                         350 // BYTE

// Measure units
#define UNITS_MS             0  // miliseconds
#define UNITS_SECS           1  // seconds
#define UNITS_MINS           2  // minutes
#define UNITS_HOURS          3  // hours
#define UNITS_DAYS           4  // days
#define UNITS_CICLES         10 // cicles
#define UNITS_US             11 // microseconds

// EEPROM size in bytes
#define EEPROM_SIZE         512

// EEPROM Addreses for signature code and version of firmware
#define EE_ADDR_BATTERY_HIGH                        0x00 // BYTE
#define EE_ADDR_BATTERY_LOW                         0x02 // BYTE
#define EE_ADDR_SIGNATURE_CODE1                     0x04 // BYTE
#define EE_ADDR_SIGNATURE_CODE2                     0x05 // BYTE
#define EE_ADDR_SIGNATURE_CODE3                     0x06 // BYTE
#define EE_ADDR_SIGNATURE_CODE4                     0x07 // BYTE
#define EE_ADDR_CODE_MAYOR_VERSION                  0x08 // BYTE                
#define EE_ADDR_CODE_MINOR_VERSION                  0x09 // BYTE

// EEPROM Addreses for system config
#define EE_ADDR_system_useBacklight                 0x0A // BYTE
#define EE_ADDR_system_useSpeaker                   0x0B // BYTE
#define EE_ADDR_system_interfaceSensorLimit         0x0C // BYTE
#define EE_ADDR_system_models                       0x0D // 0x0D-0x0E

// EEPROM Addreses for the 24lc256
#define EEI2C_ADDR_MODELS                     0 //Inicio de la tabla de codigos de camaras
#define EEI2C_SIZE                            32000


// Keycodes
#define NO_KEY               0 // No keys pressed
#define KEY_A                1 // Button A was pressed
#define KEY_B                2 // Button B was pressed
#define KEY_C                3 // Button A was pressed
#define KEY_D                4 // Button B was pressed
#define KEY_AH               5 // Button A was pressed and holded (KEY_HOLD_TIME) milisecons
#define KEY_BH               6 // Button B was pressed and holded (KEY_HOLD_TIME) milisecons
#define KEY_CH               7 // Button A was pressed and holded (KEY_HOLD_TIME) milisecons
#define KEY_DH               8 // Button B was pressed and holded (KEY_HOLD_TIME) milisecons

// Keyboard times
#define KEY_DEBOUNCE_TIME    30 // debounce time (ms) to prevent flickering when pressing or releasing the button
#define KEY_HOLD_TIME       400 // holding period (ms) how long to wait for press+hold event