With ESP8266 send data to fhem

[kroonen]

Hi,

I read this about the esp8266 to go to deep sleep and send data to a node.js server

http://blog.hekkers.net/2015/03/01/esp8266-testing-deep-sleep-interrupts/

Is it possible to send data like that to fhem?? So for exampl port 8001 maps to a temp sensor in them??

It should be nice to have an dht22 for that so it sends data every 2 miniutes tofhem to the esp8266 and the rest of the time is goed to deep sleep

[schka17]

you have some posibilities, i.e. connect via telnet to 7072 and "set %device %Value", or you can use the http command to your fhem port. Or you can use the ECMD device which is mor flexible but a little bit more difficult.


regards,

Karl

[kroonen]

Hi,

I can't find anything how to http commands should work??

[kroonen]

this is something


192.168.180.5:8083/fhem?cmd=setreading%20mayatemp%20state%20T%2020

any idea what i must replace to get above working in this piece, with socket send?

socket:send(""fhem?cmd=setreading%20mayatemp%20state%20T%"..temp.."\r")

but I don't think thats correct?


below original code

serv_ip = '192.168.180.5'
serv_port = 8083
gpio4 = 2
interval = 20000000
ds18b20.setup(gpio4)

function getTemp()
  temp = ds18b20.read()
  conn = net.createConnection(net.TCP, 0)
  conn:on("connection", function(socket)
    socket:send(""..node.chipid().." "..tries.." "..temp.."\r")
  end)
  conn:on("sent",function(conn)
    conn:close()
  end)
  conn:on("disconnection", function(conn)
    node.dsleep(interval-tmr.now(), 0)
  end)

  conn:connect(serv_port, serv_ip)

[fh168]

hello kroonen,

i wanted to try the example, but i got an error in lua (arg wrong range) in

socket:send(""..node.chipid().." "..tries.." "..temp.."\r")

i am using lualoader 0.83 and latest firmware of the esp.

robin

[kroonen]

Hi Robin

I now have it working with this , here the init.lua en fhem.lua, next I hope to get it working with the dht22

--init.lua
wifi.sta.config("ssidname","password")
wifi.sta.connect()
tmr.alarm(1, 1000, 1, function()
  if wifi.sta.getip()== nil then
  print("IP unavaiable, Waiting...")
else
  tmr.stop(1)
print("ESP8266 mode is: " .. wifi.getmode())
print("The module MAC address is: " .. wifi.ap.getmac())
print("Config done, IP is "..wifi.sta.getip())
dofile ("fhem.lua")
end
end)

--fhem.lua
require('ds18b20')
-- ESP-01 GPIO Mapping
gpio0 =3
gpio2 =4
ds18b20.setup(gpio2)
t=ds18b20.read()
print("Temp:" .. ds18b20.read() .. " C\n")
if(t==nil) then
t=0
end
tmr.alarm(0,30000, 1, function()
t=ds18b20.read()
conn=net.createConnection(net.TCP, 0)
conn:on("receive", function(conn, payload) print(payload) end )
conn:connect(8083,"192.168.180.5")
conn:send('GET /fhem?cmd=setreading%20Testtemp%20state%20T:%20' ..t.. '\r\n HTTP/1.1\r\nHost: www.local.lan\r\n".."Connection: keep-alive\r\nAccept: */*\r\n\r\n"')
end)

And also this in fhem

attr Testtemp IODev CUL
attr Testtemp event-min-interval state:600
attr Testtemp event-on-change-reading state
attr Testtemp event-on-update-reading .*
attr Testtemp room ESP8266

define FileLog_Testtemp FileLog /var/log/fhem/Testtemp-%Y.log Testtemp
attr FileLog_Testtemp logtype temp4hum4:Temp/Hum,text
attr FileLog_Testtemp room ESP8266

define weblink_Testtemp SVG FileLog_Testtemp:temp4hum4:CURRENT
attr weblink_Testtemp label "Schuur Min $data{min1}, Max $data{max1}, Last $data{currval1}"
attr weblink_Testtemp room Plots

[fh168]

hi koonen,

i have a question about the library ds18b20.
do i have to modify the library (paths and so) or is this just an upload of the ds16b20.lua?

because in the Source of the library. there are ...

Code Auswählen Erweitern


-- DS18B20 one wire module for NODEMCU
-- NODEMCU TEAM
-- LICENCE: http://opensource.org/licenses/MIT
-- Vowstar <vowstar@nodemcu.com>
--------------------------------------------------------------------------------

-- Set module name as parameter of require
local modname = ...

Robin

[kroonen]

Robin,

I took the file from here

https://github.com/nodemcu/nodemcu-firmware/tree/master/lua_modules/ds18b20

than the ds18b20.lua

Upload the file like the other and than should work

[fh168]

ok, thank you

[fh168]

i have some problems:

Code Auswählen Erweitern

NodeMCU 0.9.5 build 20150127  powered by Lua 5.1.4
>
Hard Restart Samstag, 7. März 2015  19:47:34

IP unavaiable, Waiting...
IP unavaiable, Waiting...
ESP8266 mode is: 1
The module MAC address is: 1A-FE-34-9C-E2-CB
Config done, IP is 192.168.178.34
PANIC: unprotected error in call to Lua API (fhem.lua:7: attempt to concatenate a nil value)
PANIC: unprotected error in call to Lua API (attempt to concatenate a lightfunction value)
PANIC: unprotected error in call to Lua API (attempt to call a string value)
ü!¤§1ä)]ô1ä)]†1¤ñ¡Hø

temperature works.

fhem noch niet... is a define missing?

[kroonen]

Trying to post again maybe cut and paste went wrong?

--fhem.lua
require('ds18b20')
-- ESP-01 GPIO Mapping
gpio0 =3
gpio2 =4
ds18b20.setup(gpio2)
t=ds18b20.read()
print("Temp:" .. ds18b20.read() .. " C\n")
if(t==nil) then
t=0
end
tmr.alarm(0,30000, 1, function()
t=ds18b20.read()
conn=net.createConnection(net.TCP, 0)
conn:on("receive", function(conn, payload) print(payload) end )
conn:connect(8083,"192.168.180.5")
conn:send('GET /fhem?cmd=setreading%20Testtemp%20state%20T:%20' ..t.. '\r\n HTTP/1.1\r\nHost: www.local.lan\r\n".."Connection: keep-alive\r\nAccept: */*\r\n\r\n"')
end)

[fh168]

i think theres somewhere a define for Testtemp

and in lua is:  www.local.lan   is this correct or have to be a ip adress?

please use the code function (#) here in the forum -editor to paste the code.

[kroonen]

Yes sorry the define was missed. www.local.lan is just dummy

define Testtemp CUL_WS 2
attr Testtemp IODev CUL
attr Testtemp event-min-interval state:600
attr Testtemp event-on-change-reading state
attr Testtemp event-on-update-reading .*
attr Testtemp room ESP8266

[kroonen]

I tested your config with dht22 and init.lau but strange values

Any idea what cause this

Humidity:    -0.1%
Temperature: 79.3 deg C
> Humidity:    -0.1%
Temperature: 80.1 deg C
Humidity:    -0.1%
Temperature: 78.1 deg C
Humidity:    -0.1%
Temperature: 77.7 deg C

[fh168]

Tschakaaaa, it works now!

CUL_WS
esp8266temp
T: 25.0625

Thank you.. Maybe i can transmit now other things than temperature.

robin

[Porky666]

Go Robin go.

Und dann alles in dein meintechblog.de.
Großartig diese Seite.

Gruß Stefan

[fh168]

i will test this. i have a dth here, but not today.

[fh168]

@stefan, no i will write a short statement my own blog.
But the interesting part of the 8266 is the sleep mode, because at the moment i takes too much current.

Robin

[kroonen]

Yes we must now look at deep sleep, but I think it's not easy on an esp-01. I think needed is the esp8266-12 for that.

Goal: dht22 with deep sleep fully battery powered push data to fhem every 1 minutes.

[fh168]

Hello kroonen,

i used your code in my blog with a few modifications. I hope its okay.

http://blog.moneybag.de/fhem-temperaturmessung-mit-dem-esp-8266-und-ds18b20-ohne-arduino-datenuebertragung-per-wlan/

@Stefan. Du kannst den Beitrag abschreiben und bei dir im blog setzen.

LG
/robin

[kroonen]

No problem, mostly I also copied from others.

Let me know if it is up for a week or so, to see how stable it is.

regards Richard

[Porky666]

Hi,
The Site meintechblog.de is not mine,
This Site belongs to another User from FhemForum.

Thx
Stefan

[kroonen]

Hi,

I'm also busy with the dht22, but the temp and humidity are not stable, any ideas are welcome. I used a dht22 with resistor 4.7k and without, and also tried this schema

http://www.esp8266.com/viewtopic.php?f=19&t=1363

output in log file

2015-03-09_13:16:31 Testtemp T: 21.9 H: 42.2
2015-03-09_13:17:01 Testtemp T: 24.3 H: 44.2
2015-03-09_13:17:31 Testtemp T: 21.3 H: 43.7
2015-03-09_13:18:01 Testtemp T: 21 H: 45
2015-03-09_13:18:31 Testtemp T: 20.8 H: 45
2015-03-09_13:19:01 Testtemp T: 20.6 H: 45.5
2015-03-09_13:19:31 Testtemp T: 20.4 H: 45.8
2015-03-09_13:20:01 Testtemp T: 20.4 H: 46.2
2015-03-09_13:20:31 Testtemp T: 20.3 H: 46.6
2015-03-09_13:21:01 Testtemp T: 20.2 H: 46.8
2015-03-09_13:21:31 Testtemp T: 20.7 H: 47.4
2015-03-09_13:22:01 Testtemp T: 20 H: 47.1
2015-03-09_13:22:31 Testtemp T: 20 H: 47.4
2015-03-09_13:23:01 Testtemp T: 19.9 H: 47.5
2015-03-09_13:23:31 Testtemp T: 20.7 H: 48.1
2015-03-09_13:24:01 Testtemp T: 20 H: 48.1
2015-03-09_13:24:31 Testtemp T: 19.8 H: 47.8
2015-03-09_13:25:01 Testtemp T: 21 H: 49.2
2015-03-09_13:25:31 Testtemp T: 19.8 H: 47.9
2015-03-09_13:26:01 Testtemp T: 20.7 H: 48.5


using this config

laster dht22.lua from node mcu , the init.la like above for ds18b20

https://github.com/nodemcu/nodemcu-firmware/tree/master/lua_modules/dht22

and fhem.lua

tmr.alarm(0,30000, 1, function()
PIN = 4 --  data pin, GPIO2

dht22 = require("dht22")
dht22.read(PIN)
t = dht22.getTemperature()
h = dht22.getHumidity()
humi=dht22.getHumidity()/10
temp=dht22.getTemperature()/10
if h == nil then
  print("Error reading from DHT22")
else
  -- temperature in degrees Celsius  and Farenheit
  -- floating point and integer version:
  print("Temperature: "..((t-(t % 10)) / 10).."."..(t % 10).." deg C")
  -- only integer version:
  print("Temperature: "..(9 * t / 50 + 32).."."..(9 * t / 5 % 10).." deg F")
  -- only float point version:
  print("Temperature: "..(9 * t / 50 + 32).." deg F")

  -- humidity
  -- floating point and integer version
  print("Humidity: "..((h - (h % 10)) / 10).."."..(h % 10).."%")
end

-- release module
dht22 = nil
package.loaded["dht22"]=nil


conn=net.createConnection(net.TCP, 0)
conn:on("receive", function(conn, payload) print(payload) end )
conn:connect(8083,"192.168.180.5")
conn:send('GET /fhem?cmd=setreading%20Testtemp%20state%20T:%20' ..temp.. '%20H:%20'..humi..'\r\n HTTP/1.1\r\nHost: www.local.lan\r\n".."Connection: keep-alive\r\nAccept: */*\r\n\r\n"')
end)

[kroonen]

Got it stable. The dht22 must be connected to the 5v , than it works

2015-03-09_14:29:04 Testtemp T: 19.6 H: 48.5
2015-03-09_14:29:34 Testtemp T: 19.6 H: 48.4
2015-03-09_14:33:04 Testtemp T: 19.6 H: 48.3
2015-03-09_14:33:34 Testtemp T: 19.6 H: 48.4
2015-03-09_14:34:04 Testtemp T: 19.6 H: 48.3
2015-03-09_14:34:34 Testtemp T: 19.7 H: 48.5
2015-03-09_14:35:04 Testtemp T: 19.6 H: 48.4
2015-03-09_14:35:34 Testtemp T: 19.6 H: 48.3
2015-03-09_14:37:04 Testtemp T: 19.7 H: 48.4
2015-03-09_14:37:34 Testtemp T: 19.6 H: 48.3
2015-03-09_14:38:04 Testtemp T: 19.7 H: 48.4
2015-03-09_14:39:04 Testtemp T: 19.6 H: 48.3
2015-03-09_14:39:34 Testtemp T: 19.7 H: 48.4
2015-03-09_14:40:04 Testtemp T: 19.6 H: 48.3
2015-03-09_14:41:04 Testtemp T: 19.7 H: 48.4
2015-03-09_14:41:34 Testtemp T: 19.6 H: 48.3
2015-03-09_14:42:04 Testtemp T: 19.7 H: 48.4
2015-03-09_14:46:34 Testtemp T: 19.7 H: 48.3
2015-03-09_14:47:04 Testtemp T: 19.7 H: 48.4
2015-03-09_14:47:34 Testtemp T: 19.7 H: 48.3
2015-03-09_14:48:04 Testtemp T: 19.7 H: 48.4
2015-03-09_14:48:34 Testtemp T: 19.7 H: 48.2
2015-03-09_14:49:04 Testtemp T: 19.7 H: 48.3
2015-03-09_14:49:34 Testtemp T: 19.7 H: 48
2015-03-09_14:50:04 Testtemp T: 19.7 H: 48.2

[fh168]

thank you kroonen, i will give it a try

Robin

[chanky]

Nice work guys With your help i've got my ESP8266-201 running. I used arduino to program the ESP8266 instead of lua, and interfacing to the fhem i used your solution. Hat off to Kroonen many thanks.

[kroonen]

@Chunky,

Can you also post the arduino code. It's based on de arduino ide?

regards Richard

[chanky]

Yes of course:

Code Auswählen Erweitern

#include <OneWire.h>
#include <ESP8266WiFi.h>

// OneWire DS18S20, DS18B20, DS1822 Temperature Example
//
// http://www.pjrc.com/teensy/td_libs_OneWire.html
//
// The DallasTemperature library can do all this work for you!
// http://milesburton.com/Dallas_Temperature_Control_Library

OneWire  ds(0);  // on pin 2 (a 4.7K resistor is necessary)

const char* ssid     = "XX-XXXXXX";
const char* password = "XXXXXXXXXXXXXXX";
const char* host     = "10.0.0.15";

void setup(void) {
  Serial.begin(115200);
    delay(10);

  // We start by connecting to a WiFi network

  Serial.println();
  Serial.println();
  Serial.print("Connecting to ");
  Serial.println(ssid);
 
  WiFi.begin(ssid, password);
 
  while (WiFi.status() != WL_CONNECTED) {
    delay(500);
    Serial.print(".");
  }

  Serial.println("");
  Serial.println("WiFi connected"); 
  Serial.println("IP address: ");
  Serial.println(WiFi.localIP());
}
int value = 0;

void loop(void) {
  byte i;
  byte present = 0;
  byte type_s;
  byte data[12];
  byte addr[8];
  float celsius, fahrenheit;
 
  if ( !ds.search(addr)) {
    Serial.println("No more addresses.");
    Serial.println();
    ds.reset_search();
    delay(250);
    return;
  }
 
  Serial.print("ROM =");
  for( i = 0; i < 8; i++) {
    Serial.write(' ');
    Serial.print(addr[i], HEX);
  }

  if (OneWire::crc8(addr, 7) != addr[7]) {
      Serial.println("CRC is not valid!");
      return;
  }
  Serial.println();

  // the first ROM byte indicates which chip
  switch (addr[0]) {
    case 0x10:
      Serial.println("  Chip = DS18S20");  // or old DS1820
      type_s = 1;
      break;
    case 0x28:
      Serial.println("  Chip = DS18B20");
      type_s = 0;
      break;
    case 0x22:
      Serial.println("  Chip = DS1822");
      type_s = 0;
      break;
    default:
      Serial.println("Device is not a DS18x20 family device.");
      return;
  }

  ds.reset();
  ds.select(addr);
  ds.write(0x44, 1);        // start conversion, with parasite power on at the end
 
  delay(60000);     // 1 Minute delay
 
  present = ds.reset();
  ds.select(addr);   
  ds.write(0xBE);         // Read Scratchpad

  Serial.print("  Data = ");
  Serial.print(present, HEX);
  Serial.print(" ");
  for ( i = 0; i < 9; i++) {           // we need 9 bytes
    data[i] = ds.read();
    Serial.print(data[i], HEX);
    Serial.print(" ");
  }
  Serial.print(" CRC=");
  Serial.print(OneWire::crc8(data, 8), HEX);
  Serial.println();

  // Convert the data to actual temperature
  // because the result is a 16 bit signed integer, it should
  // be stored to an "int16_t" type, which is always 16 bits
  // even when compiled on a 32 bit processor.
  int16_t raw = (data[1] << 8) | data[0];
  if (type_s) {
    raw = raw << 3; // 9 bit resolution default
    if (data[7] == 0x10) {
      // "count remain" gives full 12 bit resolution
      raw = (raw & 0xFFF0) + 12 - data[6];
    }
  } else {
    byte cfg = (data[4] & 0x60);
    // at lower res, the low bits are undefined, so let's zero them
    if (cfg == 0x00) raw = raw & ~7;  // 9 bit resolution, 93.75 ms
    else if (cfg == 0x20) raw = raw & ~3; // 10 bit res, 187.5 ms
    else if (cfg == 0x40) raw = raw & ~1; // 11 bit res, 375 ms
    //// default is 12 bit resolution, 750 ms conversion time
  }
  celsius = (float)raw / 16.0;
  fahrenheit = celsius * 1.8 + 32.0;
  Serial.print("  Temperature = ");
  Serial.print(celsius);
  Serial.print(" Celsius, ");
  Serial.print(fahrenheit);
  Serial.println(" Fahrenheit");
  Serial.print("connecting to ");
  Serial.println(host);
 
  // Use WiFiClient class to create TCP connections
  WiFiClient client;
  const int httpPort = 8083;
  if (!client.connect(host, httpPort)) {
    Serial.println("connection failed");
    return;
  }
 
  // We now create a URI for the request
  String url = "/fhem?cmd=setreading%20esp8266temp%20state%20";
  Serial.print("Requesting URL: ");
  Serial.println(url);
 
  // This will send the request to the server
  client.print(String("GET ") + url + celsius + " HTTP/1.1\r\n" +
               "Host: " + host + "\r\n" +
               "Authorization: Basic Rsdfsfdsno6MDYwMg==\r\n" +
               "Connection: keep-alive\r\n" +
               "Accept: */*\r\n\r\n");
  delay(10);
 
  // Read all the lines of the reply from server and print them to Serial
  while(client.available()){
    String line = client.readStringUntil('\r');
    Serial.print(line);
  }
 
  Serial.println();
  Serial.println("closing connection");
}



It's chanky btw

[cs-online]

Hello,

is there a way to use Telnet-port 7270 with user and Password ?

Greetings Christian

[JoWiemann]

Have a look here: https://forum.fhem.de/index.php?topic=55728



Grüße Jörg

Gesendet von iPad mit Tapatalk

[cs-online]

Hallo Jörg, (ich probier mal auf deutsch )

wie geht denn die Kurzfassung ohne 11 Seiten lesen zu müsen ? Ich schicke über den Telnet-Port per LUA direkt auf FHEM, aber der Telnet-Port ist aktuell offen ohne PW. Nun suche ich nach einer Möglichkeit, eben auch User und PW mit zu übertragen.

Hier mal der Codeschnipsel, mit dem ich das schicke:

Code Auswählen Erweitern


conn2=net.createConnection(net.TCP, 0)
-- direkt über Telnet auf FHEM schießen
conn2:connect(7072,"192.168.X.XX")
print("Tasterdruck an FHEM gesendet")
if gpio.read(6)==1 then
conn2:send("set WLAN_Testdose on\nexit\n");
print("ON gesendet");
end



Grüße

Christian

[JoWiemann]

Hallo Christian,

es ist alles relativ einfach. Du installierst die aktuelle ESPEasy Version und das im Thread bereitgestellte Fhem Modul. In ESPEasy Fhem als Ziel auswählen, hier kannst Du auch User/Passwort angeben und die entsprechenden Sensoren/Aktionen als Device den GPIO zuordnen. In Fhem ein entsprechendes Device anlegen, und schon schickt ESPEasy Daten an Fhem.

Grüße Jörg

[cs-online]

Nö,

das hilft leider nicht, weil ich die Software selber programmiere, ohne ESPeasy, direkt in LUA, damit die das tut, was ich haben will, das läßt sich mit ESPeasy leider nicht darstellen...

Grüße

Christian

[JoWiemann]

Hier ein Beispiel aus dem Forum

conn=net.createConnection(net.TCP, 0)
conn:on("receive", function(conn, payload) print(payload) end )
conn:connect(7072,"192.168.2.2")
conn:send("meinpasswort\n")
conn:send("setreading Multisensor_Ost lux " ..luxi.. "\n")
conn:send("setreading Multisensor_Ost temperature " ..temp.. "\n")
conn:send("setreading Multisensor_Ost humidity " ..humi.. "\nexit\n")

https://forum.fhem.de/index.php/topic,28905.180.html



Grüße Jörg

Gesendet von iPad mit Tapatalk

[cs-online]

Cooool, das werde ich mal probieren

Daaaanke

Grüße

Christian Schmitz

[cs-online]

Jawoll,

damit funktioniert es

Vielen Vielen Dank !!!

LG

Christian