ARDUINO: Update Specific Bits in a Byte

update_bits.ino

byte _config = 0x00;          // byte to be updated

typedef enum:byte {
    MODE_MASK = 0x0C,        // 12 - B00001100 (set all bits to be changed - and only them - to 1)
    MODE_1    = 0x00,        //  0 - B00000000 (Defualt)
    MODE_2    = 0x08         //  8 - B00001000
} dev_mode_t;

void setDevMode(dev_mode_t newMode) {         // PARAMS: MODE_1 / MODE_2
    setConfig((_config & ~MODE_MASK) | (newMode & MODE_MASK));
}