EPC_EEPROM_ADDR_SHIFT
val = EPC_WRITE_INITIATE | (addr << EPC_EEPROM_ADDR_SHIFT) |
val = EPC_READ_INITIATE | (addr << EPC_EEPROM_ADDR_SHIFT);
val = EPC_READ_INITIATE | (addr << EPC_EEPROM_ADDR_SHIFT);
#define EPC_EEPROM_ADDR_MASK (EPC_EEPROM_ADDR_BITS << EPC_EEPROM_ADDR_SHIFT)