Hello. When i include ESPAsyncWebServer.h in my sketch, i get the following error.
Here is my code.
#include <Arduino.h>
#include <WiFi.h>
#include <ESPAsyncWebServer.h>
#include "credentials.h"
#define anemometerIn 2 // connect anemometer to digital pin 2
#define rainGaugeIn 3 // connect rain gauge to digital pin 3
#define windVaneIn A0 // connect wind vane to analog pin 0
// anemometer variables
const int circumference = 22.765; // circumference of anemometer
volatile float lastMillis; // last time anemometerIn was high
volatile float timeTaken; // time between pulses
volatile float rpm = 0; // rpms of anemometer
volatile int rotation = 0; // keeps count of rotations
float mph = 0; // miles per hour
float ipm = 0; // inches per minute
float iph = 0; // inches per hour
// wind vane variables
int windVaneSignal = 0; // input from wind vane
String windDirection = ""; // store wind direction
// rain gauge variables
float rainFall = 0; // one tip of the rain gauge bucket
int readRainGaugeIn = 0; // input data from the rain gauge
int bucketState = 0; // state of rain gauge bucket. on/off
float lastCycleTime = 0; // millis() time reading from last bucket cycle
int serialDebugSampleRate = 500; // sample rate of 100 milliseconds for the serialDebug function
float delayLastMillis1; // last millis reading for non blocking delay no.1
//access point web server variables
const char* soft_ap_ssid = esp32_ap_ssid; // access point ssid from credentials.h
const char* soft_ap_pass = esp_32_ap_pass; // access point password from credentials.h
//local network web server variables
const char* wifi_ssid = local_network_ssid; // local network ssid from credentials.h
const char* wifi_pass = local_network_pass; // local network password from credentials.h
AsyncWebServer server(80);
void setup() {
Serial.begin(115200); // start serial communication at 115200 baud rate
WiFi.mode(WIFI_MODE_APSTA); //access point mode
WiFi.softAP(soft_ap_ssid, soft_ap_pass); //start access point
WiFi.begin(wifi_ssid, wifi_pass); //start connect to local network
while (WiFi.status() != WL_CONNECTED) {
delay(500);
Serial.println("Connecting to WiFi..");
}
Serial.print("ESP32 IP on AP: ");
Serial.println(WiFi.softAPIP);
Serial.print("ESP32 IP on WiFi network: ");
Serial.println(WiFi.localIP);
pinMode(anemometerIn, INPUT); // set anemometerIn as INPUT
pinMode(rainGaugeIn, INPUT); // set rainGaugeIn as INPUT
pinMode(windVaneIn, INPUT_PULLUP); // set windVaneIn as INPUT
attachInterrupt(digitalPinToInterrupt(anemometerIn), windSpeedTimer, CHANGE); // attach interrupt to anemometerIn, triggering windSpeedTimer()
} // end void setup
void loop() {
calculateMPH(); // start calculateMPH()
getWindDirection(); // start getWindDirection()
getRainFall(); // start getRainFall()
// non blocking delay no.1, for timing serial output
if (millis() > delayLastMillis1 + serialDebugSampleRate) {
delayLastMillis1 = millis();
serialDebug();
}
}
// create function to calculate miles per hour
void calculateMPH() {
ipm = rpm * circumference; // multiply rpm by circumference to get inches per minute
iph = ipm * 60; // multiply ipm by 60 to get inches per hour
mph = iph / 63360; // 63,360 inches = 1 mile
if (millis() - lastMillis > 5000) { // no data has been received for 5 seconds
rpm = 0; // set rpm to zero
}
}
// create function to calculate rpms
void windSpeedTimer() {
rotation++; // store rotations
if (rotation >= 8) {
timeTaken = millis() - lastMillis;
rpm = (1000 / timeTaken) * 60;
lastMillis = millis();
rotation = 0;
}
}
// create function to calculate wind direction
void getWindDirection() {
windVaneSignal = analogRead(windVaneIn); // read analog values from windVaneIn
if (windVaneSignal > 460 && windVaneSignal < 500) {
windDirection = "North";
} else if (windVaneSignal > 180 && windVaneSignal < 220) {
windDirection = "NorthEast";
} else if (windVaneSignal > 20 && windVaneSignal < 60) {
windDirection = "East ";
} else if (windVaneSignal > 60 && windVaneSignal < 90) {
windDirection = "SouthEast";
} else if (windVaneSignal > 90 && windVaneSignal < 130) {
windDirection = "South";
} else if (windVaneSignal > 300 && windVaneSignal < 330) {
windDirection = "SouthWest";
} else if (windVaneSignal > 980 && windVaneSignal < 1020) {
windDirection = "West ";
} else if (windVaneSignal > 620 && windVaneSignal < 660) {
windDirection = "NorthWest";
}
}
// create function to calculate rain fall
void getRainFall() {
readRainGaugeIn = digitalRead(rainGaugeIn); // read signal from rainGaugeIn
if (readRainGaugeIn == 1 && bucketState == 0) {
rainFall += 0.011; // bucket holds 0.011 inches of water
bucketState = 1;
lastCycleTime = millis();
} else if (readRainGaugeIn == LOW) {
bucketState = LOW;
}
if (millis() - lastCycleTime > 5000) { // no signal for 5 seconds
rainFall = 0; // set rainFall to zero
lastCycleTime = 0; // reset lastCycleTime
}
}
void serialDebug() {
Serial.print("Wind Speed: ");
Serial.print(mph, 1);
Serial.print(" MPH");
Serial.print("\t");
Serial.print("Wind Vane: ");
Serial.print(windDirection);
Serial.print("\t");
Serial.print("RainFall: ");
Serial.print(rainFall, 3);
Serial.print("\n");
}
This is the error.
In file included from C:\Users\swp791\Documents\Arduino\Mike Arduino\Test_WeatherStation\Test_WeatherStation.ino:3:0:
c:\Users\swp791\Documents\Arduino\libraries\ESP_Async_WebServer\src/ESPAsyncWebServer.h:26:10: fatal error: FS.h: No such file or directory
#include <FS.h>
^~~~~~
compilation terminated.
exit status 1
Compilation error: exit status 1
