Hi,
i have a problem in :
//Hier wird der Wert an die Smarthome-Umgebung übertragen
if (sender.begin(“http://makesmart-server:51828/?accessoryId=temperatur&value=” + String(temperature))){
i recive this message
call to ‘HTTPClient::begin’ declared with attribute error: obsolete API, use ::begin(WiFiClient, url)
can somebody help mi, thanks
Renato
It seems that you have to pass in your wifiClient like:
if (sender.begin(wifiClient, "http://makesmart-server:51828/?accessoryId=temperatur&value=" + String(temperature))){
// ...
}
Maybe there was an update in the library or the issue is somewhere else.
Could you share your whole code?
Thanks very much, but there is another problem in the same line:
//Hier wird der Wert an die Smarthome-Umgebung übertragen
if (sender.begin(wifiClient, “http://makesmart-server:51828/?accessoryId=temperatur&value=” + String(temperature))){
now receive this message:
extended character “ is not valid in an identifier
@renato Because these “ are not double quotes. Use ".
Share your whole code that we can see how your client is named. 
Yes thank you, I had thought this and I corrected the error but I had not seen that before ‘http’ there was another wrong double quotes.
unfortunately there is another problem
// Wenn alles abgeschlossen ist, wird die Verbindung wieder beendet
sender.end();
}else {
I receive this message:
expected unqualified-id before ‘else’
…without you I would not be able to compile this sketch
Share your whole code! And please use code tags if you post.
Hi
I took the complete sketch from this page,
https://makesmart.net/homekit-thermometer-diy-esp8266-d1-mini/#Einbidung-in-das-Smarthome-Homebridge
WLAN TERMOMETER GET-Request
GET-Request an einen HTTP-Server
Created by cooper, 2020
but when I load it on Arduino IDE and I do a verification I get many mistakes and I am not capable of correcting them, unfortunately I know little Java language, I am starting now, I have little experience, sorry . I copy sketches that are useful and I use them, everything is fine, sometimes not. This sketch is good for me
Thank you
@renato I tested it right now. Copied the code 1:1 - it works. So maybe you have some mistakes in our own code. Share the while thing otherwise nobody can help you.
Let’s start with order
first I copied the sketches from the page:
https://makesmart.net/homekit-thermometer-diy-esp8266-d1-mini/
/*
WLAN TERMOMETER GET-Request
GET-Request an einen HTTP-Server
Created by cooper, 2020
makesmart.net
*/
#include <ESP8266WiFi.h>
#include <ESP8266HTTPClient.h>
#include <OneWire.h>
#include <DallasTemperature.h>
#define ONE_WIRE_BUS 2
OneWire oneWire(ONE_WIRE_BUS);
DallasTemperature sensors(&oneWire);
HTTPClient sender;
// WLAN-Daten
const char* ssid = "WLAN_SSID";
const char* password = "WLAN_PASSWD";
//Messintervall in Sekunden
int wait = 5;
//Temperatur
float temperature;
void push(){
//Hier wird der Wert an die Smarthome-Umgebung übertragen
if (sender.begin("http://makesmart-server:51828/?accessoryId=temperatur&value=" + String(temperature))){
// HTTP-Code der Response speichern
int httpCode = sender.GET();
if (httpCode > 0) {
// Anfrage wurde gesendet und Server hat geantwortet
// Info: Der HTTP-Code für 'OK' ist 200
if (httpCode == HTTP_CODE_OK) {
// Hier wurden die Daten vom Server empfangen
// String vom Webseiteninhalt speichern
String payload = sender.getString();
// Hier kann mit dem Wert weitergearbeitet werden
// ist aber nicht unbedingt notwendig
Serial.println(payload);
}
}else{
// Falls HTTP-Error
Serial.printf("HTTP-Error: ", sender.errorToString(httpCode).c_str());
}
// Wenn alles abgeschlossen ist, wird die Verbindung wieder beendet
sender.end();
}else {
Serial.printf("HTTP-Verbindung konnte nicht hergestellt werden!");
}
}
void setup() {
Serial.begin(115200);
WiFi.begin(ssid, password);
while (WiFi.status() != WL_CONNECTED) {
delay(200);
Serial.print(".");
}
Serial.println("Verbunden!");
wait = wait * 1000;
sensors.begin();
}
void loop() {
sensors.requestTemperatures();
Serial.print(sensors.getTempCByIndex(0));
Serial.println(" °C");
temperature = sensors.getTempCByIndex(0);
push();
delay(wait);
}
At the line 34
if (sender.begin("http://makesmart-server:51828/?accessoryId=temperatur&value=" + String(temperature))){
ArduinoINO reports an error
‘HTTPClient::begin’ declared with attribute error: obsolete API, use ::begin(WiFiClient, url)
So I added (line 13)
#include <WiFiClient.h>
and edited ex line 34 now line 35, this is the whole schetch:
/*
WLAN TERMOMETER GET-Request
GET-Request an einen HTTP-Server
Created by cooper, 2020
makesmart.net
*/
#include <ESP8266WiFi.h>
#include <ESP8266HTTPClient.h>
#include <OneWire.h>
#include <DallasTemperature.h>
#define ONE_WIRE_BUS 2
#include <WiFiClient.h>
OneWire oneWire(ONE_WIRE_BUS);
DallasTemperature sensors(&oneWire);
HTTPClient sender;
// WLAN-Daten
const char* ssid = "WLAN_SSID";
const char* password = "WLAN_PASSWD";
//Messintervall in Sekunden
int wait = 5;
//Temperatur
float temperature;
void push(){
//Hier wird der Wert an die Smarthome-Umgebung übertragen
if (sender.begin(WiFiClient, "http://makesmart-server:51828/?accessoryId=temperatur&value=" + String(temperature))){
// HTTP-Code der Response speichern
int httpCode = sender.GET();
if (httpCode > 0) {
// Anfrage wurde gesendet und Server hat geantwortet
// Info: Der HTTP-Code für 'OK' ist 200
if (httpCode == HTTP_CODE_OK) {
// Hier wurden die Daten vom Server empfangen
// String vom Webseiteninhalt speichern
String payload = sender.getString();
// Hier kann mit dem Wert weitergearbeitet werden
// ist aber nicht unbedingt notwendig
Serial.println(payload);
}
}else{
// Falls HTTP-Error
Serial.printf("HTTP-Error: ", sender.errorToString(httpCode).c_str());
}
// Wenn alles abgeschlossen ist, wird die Verbindung wieder beendet
sender.end();
}else {
Serial.printf("HTTP-Verbindung konnte nicht hergestellt werden!");
}
}
void setup() {
Serial.begin(115200);
WiFi.begin(ssid, password);
while (WiFi.status() != WL_CONNECTED) {
delay(200);
Serial.print(".");
}
Serial.println("Verbunden!");
wait = wait * 1000;
sensors.begin();
}
void loop() {
sensors.requestTemperatures();
Serial.print(sensors.getTempCByIndex(0));
Serial.println(" °C");
temperature = sensors.getTempCByIndex(0);
push();
delay(wait);
}
Now at the line 35 Arduino report:
expected primary-expression before ‘,’ token
help me thanks
Which board do you use?
As I said before. I copied the code and it works for me.
#include <ESP8266WiFi.h>
#include <ESP8266HTTPClient.h>
#include <OneWire.h>
#include <DallasTemperature.h>
#define ONE_WIRE_BUS 2
#include <WiFiClient.h>
You already have a WiFi Client imported: #include <ESP8266WiFi.h>.
Maybe you can tell which board do you use and which version of libraries / arduino ide.
This sketch is meant to be for ESP8266 boards.
I use a
WeMos D1 Mini ESP8266 ESP-12F
But I have the report
“expected primary-expression before ‘,’ token”
During the check
I also deleted
#include <WiFiClient.h>
Which Arduino / ESP Version do you use?
For me it’s:
Arduino IDE: 1.8.13
ESP8266: 2.7.4
You can find ESP8266 Boardversion under Tools -> Board -> Boards manager -> Search for ESP8266
Maybe there was an update or you are outdated.
For me ArduinoIDE 1.8.15
ESP8266 board: 3.0.0
I tried
LOLIN (WEMOS) D1 mini(clone) - Generic EPS 8266 Module - NodeMCU 1.0 (ESP 12E Module)
but I have always had the same result
Now I download Arduino IDE: 1.8.13 and I try
I trie: nothing has changed (unfortunately)
@renato try to use older esp Version. Arduino IDE Version shouldn’t matter here I think.
ESP8266 Version 2.7.4 as cooper said. Maybe you can try this?
Good idea but it is not possible, now I use Arduino IDE: 1.8.13 but the possible choice of ESP8266 Version is only the version.3.0.0, previously I renamed tho old folder “Arduino” that of the precedent Arduino IDE 1.8.15installed, so that Arduino IDE: 1.8.13 shuld have it own folder, without interference
I managed to set ESP8266 Version 2.7.4, (still little beginner’s practice), set IP address, installed plugin, changed config.json, now everything works. Thank you all
