#define PNUM_COORDINATOR 0x00
#define PNUM_NODE 0x01
#define PNUM_OS 0x02
#define PNUM_EEPROM 0x03
#define PNUM_EEEPROM 0x04
#define PNUM_RAM 0x05
#define PNUM_LEDR 0x06
#define PNUM_LEDG 0x07
#define PNUM_IO 0x09
#define PNUM_THERMOMETER 0x0A
#define PNUM_UART 0x0C
#define PNUM_FRC 0x0D
#define PNUM_USER 0x20 // Number of the 1st user peripheral
#define PNUM_USER_MAX 0x3E // Number of the last user peripheral
#define PNUM_MAX 0x7F // Maximum peripheral number
#define PNUM_ERROR_FLAG 0xFE