以下為合併後程式碼
可是只能顯示gps，無法顯示DHT11
麻煩高手解惑~~~
#include <DHT.h>
#include "DHT.h"
#include<SoftwareSerial.h> //匯入程式庫
SoftwareSerial GPSModule(10, 11); // TX, RX
#define dhtPin 8
#define dhtType DHT11
const int AOUTpin=0;//the AOUT pin of the alcohol sensor goes into analog pin A0 of the arduino
const int DOUTpin=9;//the DOUT pin of the alcohol sensor goes into digital pin D8 of the arduino
const int ledPin=13;//the anode of the LED connects to digital pin D13 of the arduino
int limit;
int value;
int updates;
int failedUpdates;
int pos;
int stringplace = 0;
String timeUp;
String nmea[15];
String labels[12] {"Time: ", "Status: ", "Latitude: ", "Hemisphere: ", "Longitude: ", "Hemisphere: ", "Speed: ", "Track Angle: ", "Date: "};
DHT dht(dhtPin, dhtType);
void setup() {
Serial.begin(9600);
dht.begin();
pinMode(DOUTpin, INPUT);//sets the pin as an input to the arduino
pinMode(ledPin, OUTPUT);//sets the pin as an output of the
Serial.begin(57600);
GPSModule.begin(9600);
Serial.begin(115200);//sets the baud rate
Serial .println();
Serial .println("感測器啟動");
}
void loop() {
Serial.flush();
GPSModule.flush();
while (GPSModule.available() > 0)
{
GPSModule.read();
}
if (GPSModule.find("$GPRMC,")) {
String tempMsg = GPSModule.readStringUntil('\n');
for (int i = 0; i < tempMsg.length(); i++) {
if (tempMsg.substring(i, i + 1) == ",") {
nmea[pos] = tempMsg.substring(stringplace, i);
stringplace = i + 1;
pos++;
}
if (i == tempMsg.length() - 1) {
nmea[pos] = tempMsg.substring(stringplace, i);
}
}
updates++;
nmea[2] = ConvertLat();
nmea[4] = ConvertLng();
for (int i = 0; i < 9; i++) {
Serial.print(labels[i]);
Serial.print(nmea[i]);
Serial.println("");
}
}
else {
failedUpdates++;
}
stringplace = 0;
pos = 0;
}
String ConvertLat() {
String posneg = "";
if (nmea[3] == "S") {
posneg = "-";
}
String latfirst;
float latsecond;
for (int i = 0; i < nmea[2].length(); i++) {
if (nmea[2].substring(i, i + 1) == ".") {
latfirst = nmea[2].substring(0, i - 2);
latsecond = nmea[2].substring(i - 2).toFloat();
}
}
latsecond = latsecond / 60;
String CalcLat = "";
char charVal[9];
dtostrf(latsecond, 4, 6, charVal);
for (int i = 0; i < sizeof(charVal); i++)
{
CalcLat += charVal[i];
}
latfirst += CalcLat.substring(1);
latfirst = posneg += latfirst;
return latfirst;
}
String ConvertLng() {
String posneg = "";
if (nmea[5] == "W") {
posneg = "-";
}
String lngfirst;
float lngsecond;
for (int i = 0; i < nmea[4].length(); i++) {
if (nmea[4].substring(i, i + 1) == ".") {
lngfirst = nmea[4].substring(0, i - 2);
//Serial.println(lngfirst);
lngsecond = nmea[4].substring(i - 2).toFloat();
//Serial.println(lngsecond);
}
}
lngsecond = lngsecond / 60;
String CalcLng = "";
char charVal[9];
dtostrf(lngsecond, 4, 6, charVal);
for (int i = 0; i < sizeof(charVal); i++)
{
CalcLng += charVal[i];
}
lngfirst += CalcLng.substring(1);
lngfirst = posneg += lngfirst;
return lngfirst;
float h = dht.readHumidity();
float t = dht.readTemperature();
float f = dht.readTemperature(true);
if (isnan(h) || isnan(t) || isnan(f)) {
Serial.println("無法從DHT傳感器讀取！ ");
return;
}
Serial.println();
Serial.print("濕度: ");
Serial.print(h);
Serial.println("%\t");
Serial.print("攝氏溫度: ");
Serial.print(t);
Serial.println("*C\t");
Serial.print("華氏溫度: ");
Serial.print(f);
Serial.println("*F\n");
delay(3000);
{
value= analogRead(AOUTpin);//reads the analaog value from the alcohol sensor's AOUT pin
limit= digitalRead(DOUTpin);//reads digital value from the alcohol sensor's DOUT pin
Serial.print("酒精值 ");
Serial.println(value);//prints the alcohol value
Serial.print("Limit: ");
Serial.print(limit);//prints the limit reached as either LOW or HIGH (above or underneath)
delay(2000);
if (limit == HIGH){
digitalWrite(ledPin, HIGH);//if limit has been reached, LED turns on as status indicator
}
else{
digitalWrite(ledPin, LOW);//if threshold not reached, LED remains off
}
}
} |
發表於 2019-1-14 16:55:06
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