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thisreading < numreadings；thisreading ++）{ 读数[ thisreading ] = 0； } / * * / 如果初始化传感器！BMP。begin()） { /有个问题检测…请检查连接* / 串口打印（“抱歉，没有BMP085检测…检查你的接线或I2C地址！”）; while(1); } //Displaying lcd.begin(16, 2); //initalising size of display (16 collumns, 2 rows) lcd.setCursor(0,0); //set cursor to first row and first collumn lcd.print("Temp:"); lcd.setCursor(0,1); lcd.print("Pres:");}/**************************************************************************/ /* Arduino loop function, called once 'setup' is complete (your own code should go here) */ /**************************************************************************/ void loop(void) { /* Get a new sensor event */ sensors_event_t event; bmp.getEvent(&event); /* Display the results (barometric pressure is measure in hPa) */ if (event.pressure) { /* Display atmospheric pressue in hPa */ Serial.print("Pressure: "); Serial.print(event.pressure); Serial.println(" hPa"); /* Calculating altitude with reasonable accuracy requires pressure * * sea level pressure for your position at the moment the data is * * conver泰德，以及环境温度在摄氏度 * *。如果你没有这些价值观，一个“通用”的价值 * * 1013.25 hPa可用（定义为sensors_pressure_sealevelhpa * *传感器。H），但这并不是理想的，从一天到另一天给变* *结果。* * * * 通常可以通过看天气 *网站或从环境信息中心附近的任何大* 机场找到当前气压值。* * * * For example, for Paris, France you can check the current mean * * pressure and sea level at: <a href="http://bit.ly/16Au8ol" rel="nofollow"> http://bit.ly/16Au8ol </a> */ /* First we get the current temperature from the BMP085 */ float temperature; bmp.getTemperature(&temperature); Serial.print("Temperature: "); Serial.print(temperature); Serial.println(" C"); /* Then convert the atmospheric pressure, and SLP to altitude */ /* Update this next line with the current SLP for better results */ float seaLevelPressure = SENSORS_PRESSURE_SEALEVELHPA; Serial.print("Altitude: "); Serial.print(bmp.pressureToAltitude(seaLevelPressure, event.pressure)); Serial.println(" m"); Serial.println(""); lcd.setCursor(5,0); lcd.print(temperature); lcd.print((char)223); lcd.print("C "); // subtract the last reading: total = total - readings[readIndex]; // read from the sensor: readings[readIndex] = event.pressure; // add the reading to the total: total = total + readings[readIndex]; // advance to the next position in the array: readIndex = readIndex + 1; // if we're at the end of the array... if (readIndex >= numReadings) { // ...wrap around to the beginning: readIndex = 0; } // calculate the average: average = total / numReadings; delay(1); lcd.setCursor(5,1); lcd.print(average); // print average pressure lcd.print("hPa"); } else { Serial.println("Sensor error"); } delay(0); }