sys.taskInit(function()
        local tag = "i2cTest"
        local i2cId = 0
        local i2cSlaveAddr = 0x38
        log.info(tag, "START")
        assert(i2c.setup(i2cId) == 0, tag .. ".setup ERROR")
        assert(i2c.send(i2cId, i2cSlaveAddr, string.char(0xac, 0x22, 0x00)) ==
                   true, tag .. ".send ERROR")
        local receivedData = i2c.recv(i2cId, i2cSlaveAddr, 6)
        assert(#receivedData == 6, tag .. ".recv ERROR")

        log.info(tag .. ".receivedDataHex", receivedData:toHex())
        local tempBit = string.byte(receivedData, 6) + 0x100 *
                            string.byte(receivedData, 5) + 0x10000 *
                            (string.byte(receivedData, 4) & 0x0F)
        local humidityBit = string.byte(receivedData, 4) & 0xF0 + 0x100 *
                                string.byte(receivedData, 3) + 0x10000 *
                                string.byte(receivedData, 2)
        humidityBit = humidityBit >> 4
        log.info(tag .. ".tempBit", tempBit)
        log.info(tag .. ".humidityBit", humidityBit)
        local calcTemp = (tempBit / 1048576) * 200 - 50
        local calcHum = humidityBit / 1048576
        log.info(tag .. ".当前温度", string.format("%.1f℃", calcTemp))
        log.info(tag .. ".当前湿度", string.format("%.1f%%", calcHum * 100))
        i2c.close(i2cId)

        log.info(tag, "DONE")
    end)