CH_DUMP_MBOX
CH_DUMP_MBOX(adap, mbox, data_reg, size / 8);
CH_DUMP_MBOX(adap, mbox, data_reg, size / 8);
CH_DUMP_MBOX(adap, mbox, data_reg, size / 8);
CH_DUMP_MBOX(adap, mbox, data_reg, size / 8);