when i write this code in esp8266, it's work fine. but when i tried that code in esp32 with some changes,it shows error on compile time:
board which i use : DOIT ESP32 DevKit v1
error is:
In file included from C:\Users\Gabbar Singh\Documents\Arduino\ESP32_OTA\ESP32_OTA.ino:5:0:
C:\Users\Gabbar Singh\AppData\Local\Arduino15\packages\esp32\hardware\esp32\1.0.4\libraries\HTTPUpdate\src/HTTPUpdate.h:47:6: error: exitmultiple statusdefinition 1of 'enum HTTPUpdateResult'
enum HTTPUpdateResult {
Error compiling for^
In boardfile DOITincluded ESP32from DEVKITC:\Users\Gabbar V1Singh\Documents\Arduino\ESP32_OTA\ESP32_OTA.ino:3:0:
boardC:\Users\Gabbar whichSingh\Documents\Arduino\libraries\ESP32httpUpdate\src/ESP32httpUpdate.h:59:6: inote: useprevious :definition DOIThere
ESP32enum DevKitHTTPUpdateResult v1{
^
Multiple libraries were found for "WiFi.h"
Used:C:\Users\GabbarSingh\AppData\Local\Arduino15\packages\esp32\hardware\esp32\1.0.4\libraries\WiFi
Not used: C:\Program Files (x86)\Arduino\libraries\WiFi
and the last error is : exit status 1 Error compiling for board DOIT ESP32 DEVKIT V1.
Code:
#include <Update.h>
#include <WiFi.h>
#include <ESP32httpUpdate.h>
#include <WiFiClient.h>
#include <HTTPUpdate.h>
#include <HTTPClient.h>
#define LED_BUILTIN 2
const String FirmwareVer = {"1.4"};
#define URL_fw_Version "http://vadaliya2007.000webhostapp.com/atte/ota/version.txt"
#define URL_fw_Bin "http://vadaliya2007.000webhostapp.com/atte/ota/firmware.bin"
HTTPClient http;
const char* ssid = "Honor8X";
const char* password = "1414141414";
void FirmwareUpdate()
{
http.begin(URL_fw_Version, "5b fb d1 d4 49 d3 0f a9 c6 40 03 34 ba e0 24 05 aa d2 e2 01"); // check version URL
delay(100);
int httpCode = http.GET(); // get data from version file
delay(100);
String payload;
if (httpCode == HTTP_CODE_OK) // if version received
{
payload = http.getString(); // save received version
Serial.println(payload );
}
else
{
Serial.print("error in downloading version file:");
Serial.println(httpCode);
}
http.end();
if (httpCode == HTTP_CODE_OK) // if version received
{
if (payload.equals(FirmwareVer) )
{
Serial.println("Device already on latest firmware version");
}
else
{
Serial.println("New firmware detected");
WiFiClient client;
// The line below is optional. It can be used to blink the LED on the board during flashing
// The LED will be on during download of one buffer of data from the network. The LED will
// be off during writing that buffer to flash
// On a good connection the LED should flash regularly. On a bad connection the LED will be
// on much longer than it will be off. Other pins than LED_BUILTIN may be used. The second
// value is used to put the LED on. If the LED is on with HIGH, that value should be passed
//ESPhttpUpdate.setLedPin(LED_BUILTIN, LOW);
t_httpUpdate_return ret = ESPhttpUpdate.update(URL_fw_Bin, "", "5b fb d1 d4 49 d3 0f a9 c6 40 03 34 ba e0 24 05 aa d2 e2 01");
switch (ret) {
case HTTP_UPDATE_FAILED:
Serial.printf("HTTP_UPDATE_FAILD Error (%d): %s\n", ESPhttpUpdate.getLastError(), ESPhttpUpdate.getLastErrorString().c_str());
break;
case HTTP_UPDATE_NO_UPDATES:
Serial.println("HTTP_UPDATE_NO_UPDATES");
break;
case HTTP_UPDATE_OK:
Serial.println("HTTP_UPDATE_OK");
break;
}
}
}
}
unsigned long previousMillis = 0; // will store last time LED was updated
const long interval = 30000;
void repeatedCall() {
unsigned long currentMillis = millis();
if ((currentMillis - previousMillis) >= interval)
{
// save the last time you blinked the LED
previousMillis = currentMillis;
FirmwareUpdate();
}
}
void setup()
{
Serial.begin(115200);
Serial.println("");
Serial.println("Start");
WiFi.mode(WIFI_STA);
WiFi.begin(ssid, password);
while (WiFi.status() != WL_CONNECTED)
{
Serial.print("O");
delay(500);
}
Serial.println("Connected to WiFi");
pinMode(LED_BUILTIN, OUTPUT);
}
void loop()
{
digitalWrite(LED_BUILTIN, HIGH); // turn the LED on (HIGH is the voltage level)
delay(100); // wait for a second
digitalWrite(LED_BUILTIN, LOW); // turn the LED off by making the voltage LOW
delay(100); // wait for a second
repeatedCall();
}