sending ack /nack to i2c

[jokokiswan]

how to insert ack or nack on luatos? thank you.

            i2c.send(i2cid, gxht3_ADDRESS_ADR_LOW, {gxht3_addr_write<ack>, gxht3_msb_wakup<ack>, gxht3_lsb_wakup<ack>})
            sys.wait(240)
            i2c.send(i2cid, gxht3_ADDRESS_ADR_LOW, {gxht3_addr_write<ack>, gxht3_msb_meas<ack>, gxht3_lsb_meas<ack>})
            sys.wait(11)
            local data = i2c.recv(i2cid, gxht3_ADDRESS_ADR_LOW, gxht3_poll<nack>, 6)