Hi Grant, > > reg = adm9240_read_value(client, ADM9240_REG_CONFIG); > > adm9240_write_value(client, ADM9240_REG_CONFIG, > > (reg | 0x01) & 0x7f); > > That would fail to start the measurement cycle (...) How that? Bit 0 will be set to 1, which starts the measurement cycle, exactly like your previous code did. > and leave user-space able to assert a hardware interrupt signal, I don't understand. What do you mean exactly? > (...) plus it writes zero to bit 7 for what reason? Because writing 1 instead would reset the chip, and you don't want to do that, do you? Thanks, -- Jean Delvare
