TRF7970A_CMD_BIT_CONTINUOUS
prefix[2] = TRF7970A_CMD_BIT_CONTINUOUS | TRF7970A_TX_LENGTH_BYTE1;
u8 addr = reg | TRF7970A_CMD_BIT_RW | TRF7970A_CMD_BIT_CONTINUOUS;
addr |= TRF7970A_CMD_BIT_CONTINUOUS;
TRF7970A_CMD_BIT_CONTINUOUS;
prefix = TRF7970A_CMD_BIT_CONTINUOUS | TRF7970A_FIFO_IO_REGISTER;