new code for temperature/humidity with DHT11 #2
Comments
|
Hi , I can check but could you please describe exact of the problem
1. Pairing OK ?
2. Device is visible on Apple ?
3. Data is available on Apple ?
Give me a hint please
…On Thu, Apr 2, 2020 at 2:42 PM seamaster101 ***@***.***> wrote:
Hi,
I looked at the code for DHT12 (I2C) that you recommend
but I'm using DHT11 and I had to modify it.
one of the disadvantages of DHT11 is that the SW ie reading from the
detain and the sensor is very slow.
I converted the code but experience problems with reading the sensor when
combined with the rest of the code. I would presume it is because of
interrupts that interfere with the reading of the sensor. Do you think
there could be something done about that?
the other issue is that I get only temperature but im defining 2 services,
temperature and humidity
is my code doing it correct?
here is the entire code:
`
#include <ESP8266WiFi.h>
#include <ESP8266mDNS.h>
//#include <FS.h>
//#include <SPIFFS.h>
#define STATIC_IP_ADDR
///
#include "DHT.h"
#ifdef STATIC_IP_ADDR
IPAddress staticIP(192,168,0,91);
IPAddress gateway(192,168,0,1);
IPAddress subnet(255,255,255,0);
#endif
#include "coredecls.h"
#define DHTTYPE DHT11
#define DHTPIN 2
DHT dht(DHTPIN, DHTTYPE, 12); // 11 works fine for ESP8266
const char* ssid = "SHAW-62CD10";
const char* password = "251169025293";
float hum;
float temp;
unsigned long previousMillis = 0; // will store last temp was read
const long interval = 4000;
extern "C"{
#include "homeintegration.h"
}
#include "homekitintegrationcpp.h"
String pair_file_name="/pair.dat";
//**********************
void init_hap_storage(){
Serial.print("init_hap_storage");
File fsDAT=SPIFFS.open(pair_file_name, "r");
if(!fsDAT){
Serial.println("Failed to read pair.dat");
return;
}
int size=hap_get_storage_size_ex();
char* buf=new char[size];
memset(buf,0xff,size);
int readed=fsDAT.readBytes(buf,size);
Serial.print("Readed bytes ->");
Serial.println(readed);
hap_init_storage_ex(buf,size);
fsDAT.close();
delete []buf;
}
//*****************
//****************
void storage_changed(char * szstorage,int bufsize){
SPIFFS.remove(pair_file_name);
File fsDAT=SPIFFS.open(pair_file_name, "w+");
if(!fsDAT){
Serial.println("Failed to open pair.dat");
return;
}
fsDAT.write((uint8_t*)szstorage, bufsize);
fsDAT.close();
}
//********************
homekit_service_t* hapservice={0};
homekit_service_t* temperature;
homekit_service_t* humidity;
//////////////////////////////////
void setup() {
disable_extra4k_at_link_time();
Serial.begin(115200);
delay(3000);
Format();
if (!SPIFFS.begin()) {
Serial.print("SPIFFS Mount failed");
}
Serial.print("Attempting connection to: ");
Serial.println(ssid);
WiFi.mode(WIFI_STA);
WiFi.begin((char*)ssid, (char*)password);
#ifdef STATIC_IP_ADDR
WiFi.config(staticIP, gateway, subnet);
#endif
while (WiFi.status() != WL_CONNECTED) {
delay(500);
Serial.print(".");
WiFi.begin(ssid, password);
}
Serial.println("");
Serial.println("WiFi connected!");
#ifdef STATIC_IP_ADDR
Serial.print("Static IP address: ");
#else
Serial.print("Dinamic IP address: ");
#endif
Serial.println(WiFi.localIP());
/// now will setup homekit device
//this is for custom storaage usage
// In given example we are using \pair.dat file in our spiffs system
//see implementation below
Serial.print("Free heap: ");
Serial.println(system_get_free_heap_size());
init_hap_storage();
set_callback_storage_change(storage_changed);
/// We will use for this example only one accessory (possible to use a several on the same esp)
//Our accessory type is light bulb , apple interface will proper show that
hap_setbase_accessorytype(homekit_accessory_category_thermostat);
/// init base properties
hap_initbase_accessory_service("Environment Sensor","SeaMaster","258521521","DHT11_ESP8266","1.0");
//we will add only one light bulb service and keep pointer for nest using
temperature = hap_add_temperature_service("Temperature");
humidity = hap_add_humidity_service("Humidity");
//and finally init HAP
hap_init_homekit_server();
}
////////////////////////////////
void loop() {
hap_homekit_loop();
delay(10);
unsigned long currentMillis = millis();
if (currentMillis - previousMillis >= interval) {
// save the last time you read the sensor
previousMillis = currentMillis;
// Reading temperature for humidity takes about 250 milliseconds!
// Sensor readings may also be up to 2 seconds 'old' (it's a very slow sensor)
hum = dht.readHumidity(); // Read humidity (percent)
temp = dht.readTemperature(false); // Read temperature as Fahrenheit
Serial.println(temp); // Check if any reads failed and exit early (to try
again).
if (isnan(hum) || isnan(temp)) {
Serial.println("Failed to read from DHT sensor!");
return;
}
}
homekit_characteristic_t * ch=
homekit_service_characteristic_by_type(temperature,
HOMEKIT_CHARACTERISTIC_CURRENT_TEMPERATURE);
ch->value.float_value=temp;
homekit_characteristic_notify(ch,ch->value);
delay(10);
homekit_characteristic_t * ch2=
homekit_service_characteristic_by_type(humidity,
HOMEKIT_CHARACTERISTIC_CURRENT_RELATIVE_HUMIDITY);
ch2->value.float_value=hum;
homekit_characteristic_notify(ch2,ch2->value);
delay(10);
}
void Format(){
// Next lines have to be done ONLY ONCE!!!!!When SPIFFS is formatted ONCE
you can comment these lines out!!
Serial.println("Please wait 30 secs for SPIFFS to be formatted");
SPIFFS.format();
Serial.println("Spiffs formatted");
}`
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Hi,
1. paring is OK most of the times
2. device is visible on iPhone
3. device shows only temperature on the main icon. Once I manage to do it so it was showing temporary and humidity as it should be, but then I lost it. Maybe I changed something in the code but I don’t know exactly what caused it.
4. when you open the device on the I phone it indicates that has temperature and humidity
5. the temperature is always 0. The humidity is stuck on “updating ...”
It is kind of hard to explain. I can send you some screenshots, but don’t know how to reach you with pictures
Cheers!
On Apr 2, 2020, at 23:59, Yurik72 ***@***.***> wrote:
Hi , I can check but could you please describe exact of the problem
1. Pairing OK ?
2. Device is visible on Apple ?
3. Data is available on Apple ?
Give me a hint please
On Thu, Apr 2, 2020 at 2:42 PM seamaster101 ***@***.***> wrote:
Hi,
I looked at the code for DHT12 (I2C) that you recommend
but I'm using DHT11 and I had to modify it.
one of the disadvantages of DHT11 is that the SW ie reading from the
detain and the sensor is very slow.
I converted the code but experience problems with reading the sensor when
combined with the rest of the code. I would presume it is because of
interrupts that interfere with the reading of the sensor. Do you think
there could be something done about that?
the other issue is that I get only temperature but im defining 2 services,
temperature and humidity
is my code doing it correct?
here is the entire code:
`
#include <ESP8266WiFi.h>
#include <ESP8266mDNS.h>
//#include <FS.h>
//#include <SPIFFS.h>
#define STATIC_IP_ADDR
///
#include "DHT.h"
#ifdef STATIC_IP_ADDR
IPAddress staticIP(192,168,0,91);
IPAddress gateway(192,168,0,1);
IPAddress subnet(255,255,255,0);
#endif
#include "coredecls.h"
#define DHTTYPE DHT11
#define DHTPIN 2
DHT dht(DHTPIN, DHTTYPE, 12); // 11 works fine for ESP8266
const char* ssid = "SHAW-62CD10";
const char* password = "251169025293";
float hum;
float temp;
unsigned long previousMillis = 0; // will store last temp was read
const long interval = 4000;
extern "C"{
#include "homeintegration.h"
}
#include "homekitintegrationcpp.h"
String pair_file_name="/pair.dat";
//**********************
void init_hap_storage(){
Serial.print("init_hap_storage");
File fsDAT=SPIFFS.open(pair_file_name, "r");
if(!fsDAT){
Serial.println("Failed to read pair.dat");
return;
}
int size=hap_get_storage_size_ex();
char* buf=new char[size];
memset(buf,0xff,size);
int readed=fsDAT.readBytes(buf,size);
Serial.print("Readed bytes ->");
Serial.println(readed);
hap_init_storage_ex(buf,size);
fsDAT.close();
delete []buf;
}
//*****************
//****************
void storage_changed(char * szstorage,int bufsize){
SPIFFS.remove(pair_file_name);
File fsDAT=SPIFFS.open(pair_file_name, "w+");
if(!fsDAT){
Serial.println("Failed to open pair.dat");
return;
}
fsDAT.write((uint8_t*)szstorage, bufsize);
fsDAT.close();
}
//********************
homekit_service_t* hapservice={0};
homekit_service_t* temperature;
homekit_service_t* humidity;
//////////////////////////////////
void setup() {
disable_extra4k_at_link_time();
Serial.begin(115200);
delay(3000);
Format();
if (!SPIFFS.begin()) {
Serial.print("SPIFFS Mount failed");
}
Serial.print("Attempting connection to: ");
Serial.println(ssid);
WiFi.mode(WIFI_STA);
WiFi.begin((char*)ssid, (char*)password);
#ifdef STATIC_IP_ADDR
WiFi.config(staticIP, gateway, subnet);
#endif
while (WiFi.status() != WL_CONNECTED) {
delay(500);
Serial.print(".");
WiFi.begin(ssid, password);
}
Serial.println("");
Serial.println("WiFi connected!");
#ifdef STATIC_IP_ADDR
Serial.print("Static IP address: ");
#else
Serial.print("Dinamic IP address: ");
#endif
Serial.println(WiFi.localIP());
/// now will setup homekit device
//this is for custom storaage usage
// In given example we are using \pair.dat file in our spiffs system
//see implementation below
Serial.print("Free heap: ");
Serial.println(system_get_free_heap_size());
init_hap_storage();
set_callback_storage_change(storage_changed);
/// We will use for this example only one accessory (possible to use a several on the same esp)
//Our accessory type is light bulb , apple interface will proper show that
hap_setbase_accessorytype(homekit_accessory_category_thermostat);
/// init base properties
hap_initbase_accessory_service("Environment Sensor","SeaMaster","258521521","DHT11_ESP8266","1.0");
//we will add only one light bulb service and keep pointer for nest using
temperature = hap_add_temperature_service("Temperature");
humidity = hap_add_humidity_service("Humidity");
//and finally init HAP
hap_init_homekit_server();
}
////////////////////////////////
void loop() {
hap_homekit_loop();
delay(10);
unsigned long currentMillis = millis();
if (currentMillis - previousMillis >= interval) {
// save the last time you read the sensor
previousMillis = currentMillis;
// Reading temperature for humidity takes about 250 milliseconds!
// Sensor readings may also be up to 2 seconds 'old' (it's a very slow sensor)
hum = dht.readHumidity(); // Read humidity (percent)
temp = dht.readTemperature(false); // Read temperature as Fahrenheit
Serial.println(temp); // Check if any reads failed and exit early (to try
again).
if (isnan(hum) || isnan(temp)) {
Serial.println("Failed to read from DHT sensor!");
return;
}
}
homekit_characteristic_t * ch=
homekit_service_characteristic_by_type(temperature,
HOMEKIT_CHARACTERISTIC_CURRENT_TEMPERATURE);
ch->value.float_value=temp;
homekit_characteristic_notify(ch,ch->value);
delay(10);
homekit_characteristic_t * ch2=
homekit_service_characteristic_by_type(humidity,
HOMEKIT_CHARACTERISTIC_CURRENT_RELATIVE_HUMIDITY);
ch2->value.float_value=hum;
homekit_characteristic_notify(ch2,ch2->value);
delay(10);
}
void Format(){
// Next lines have to be done ONLY ONCE!!!!!When SPIFFS is formatted ONCE
you can comment these lines out!!
Serial.println("Please wait 30 secs for SPIFFS to be formatted");
SPIFFS.format();
Serial.println("Spiffs formatted");
}`
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Ok, seems I will be able to help,
Could you please check first if
homekit_service_t* temperature;
> homekit_service_t* humidity;
Variables are not NULL, when you sending data to Apple, then I will give you a hint how to create two devices/ icons on Apple
…Sent from my iPhone
On 3 Apr 2020, at 12:29, seamaster101 ***@***.***> wrote:
Hi,
1. paring is OK most of the times
2. device is visible on iPhone
3. device shows only temperature on the main icon. Once I manage to do it so it was showing temporary and humidity as it should be, but then I lost it. Maybe I changed something in the code but I don’t know exactly what caused it.
4. when you open the device on the I phone it indicates that has temperature and humidity
5. the temperature is always 0. The humidity is stuck on “updating ...”
It is kind of hard to explain. I can send you some screenshots, but don’t know how to reach you with pictures
Cheers!
> On Apr 2, 2020, at 23:59, Yurik72 ***@***.***> wrote:
>
Hi , I can check but could you please describe exact of the problem
1. Pairing OK ?
2. Device is visible on Apple ?
3. Data is available on Apple ?
Give me a hint please
On Thu, Apr 2, 2020 at 2:42 PM seamaster101 ***@***.***>
wrote:
> Hi,
> I looked at the code for DHT12 (I2C) that you recommend
> but I'm using DHT11 and I had to modify it.
> one of the disadvantages of DHT11 is that the SW ie reading from the
> detain and the sensor is very slow.
> I converted the code but experience problems with reading the sensor when
> combined with the rest of the code. I would presume it is because of
> interrupts that interfere with the reading of the sensor. Do you think
> there could be something done about that?
>
> the other issue is that I get only temperature but im defining 2 services,
> temperature and humidity
> is my code doing it correct?
> here is the entire code:
>
> `
> #include <ESP8266WiFi.h>
> #include <ESP8266mDNS.h>
> //#include <FS.h>
> //#include <SPIFFS.h>
> #define STATIC_IP_ADDR
> ///
> #include "DHT.h"
> #ifdef STATIC_IP_ADDR
> IPAddress staticIP(192,168,0,91);
> IPAddress gateway(192,168,0,1);
> IPAddress subnet(255,255,255,0);
> #endif
>
> #include "coredecls.h"
> #define DHTTYPE DHT11
> #define DHTPIN 2
> DHT dht(DHTPIN, DHTTYPE, 12); // 11 works fine for ESP8266
>
> const char* ssid = "SHAW-62CD10";
> const char* password = "251169025293";
> float hum;
> float temp;
>
> unsigned long previousMillis = 0; // will store last temp was read
> const long interval = 4000;
>
> extern "C"{
> #include "homeintegration.h"
> }
> #include "homekitintegrationcpp.h"
>
> String pair_file_name="/pair.dat";
>
> //**********************
> void init_hap_storage(){
>
> Serial.print("init_hap_storage");
>
> File fsDAT=SPIFFS.open(pair_file_name, "r");
> if(!fsDAT){
> Serial.println("Failed to read pair.dat");
> return;
> }
> int size=hap_get_storage_size_ex();
> char* buf=new char[size];
> memset(buf,0xff,size);
> int readed=fsDAT.readBytes(buf,size);
> Serial.print("Readed bytes ->");
> Serial.println(readed);
> hap_init_storage_ex(buf,size);
> fsDAT.close();
> delete []buf;
>
> }
> //*****************
>
> //****************
> void storage_changed(char * szstorage,int bufsize){
>
> SPIFFS.remove(pair_file_name);
> File fsDAT=SPIFFS.open(pair_file_name, "w+");
> if(!fsDAT){
> Serial.println("Failed to open pair.dat");
> return;
> }
> fsDAT.write((uint8_t*)szstorage, bufsize);
>
> fsDAT.close();
> }
> //********************
> homekit_service_t* hapservice={0};
> homekit_service_t* temperature;
> homekit_service_t* humidity;
>
> //////////////////////////////////
> void setup() {
> disable_extra4k_at_link_time();
> Serial.begin(115200);
> delay(3000);
> Format();
>
> if (!SPIFFS.begin()) {
> Serial.print("SPIFFS Mount failed");
> }
>
> Serial.print("Attempting connection to: ");
> Serial.println(ssid);
>
> WiFi.mode(WIFI_STA);
> WiFi.begin((char*)ssid, (char*)password);
>
> #ifdef STATIC_IP_ADDR
> WiFi.config(staticIP, gateway, subnet);
> #endif
> while (WiFi.status() != WL_CONNECTED) {
> delay(500);
> Serial.print(".");
> WiFi.begin(ssid, password);
> }
> Serial.println("");
> Serial.println("WiFi connected!");
> #ifdef STATIC_IP_ADDR
> Serial.print("Static IP address: ");
> #else
> Serial.print("Dinamic IP address: ");
> #endif
>
> Serial.println(WiFi.localIP());
>
> /// now will setup homekit device
>
> //this is for custom storaage usage
> // In given example we are using \pair.dat file in our spiffs system
> //see implementation below
> Serial.print("Free heap: ");
> Serial.println(system_get_free_heap_size());
>
>
> init_hap_storage();
>
> set_callback_storage_change(storage_changed);
>
> /// We will use for this example only one accessory (possible to use a several on the same esp)
> //Our accessory type is light bulb , apple interface will proper show that
> hap_setbase_accessorytype(homekit_accessory_category_thermostat);
> /// init base properties
> hap_initbase_accessory_service("Environment Sensor","SeaMaster","258521521","DHT11_ESP8266","1.0");
>
> //we will add only one light bulb service and keep pointer for nest using
>
> temperature = hap_add_temperature_service("Temperature");
> humidity = hap_add_humidity_service("Humidity");
>
> //and finally init HAP
>
> hap_init_homekit_server();
>
> }
>
> ////////////////////////////////
>
> void loop() {
>
> hap_homekit_loop();
> delay(10);
> unsigned long currentMillis = millis();
>
> if (currentMillis - previousMillis >= interval) {
> // save the last time you read the sensor
> previousMillis = currentMillis;
>
> // Reading temperature for humidity takes about 250 milliseconds!
> // Sensor readings may also be up to 2 seconds 'old' (it's a very slow sensor)
> hum = dht.readHumidity(); // Read humidity (percent)
> temp = dht.readTemperature(false); // Read temperature as Fahrenheit
>
> Serial.println(temp); // Check if any reads failed and exit early (to try
> again).
> if (isnan(hum) || isnan(temp)) {
> Serial.println("Failed to read from DHT sensor!");
> return;
> }
> }
> homekit_characteristic_t * ch=
> homekit_service_characteristic_by_type(temperature,
> HOMEKIT_CHARACTERISTIC_CURRENT_TEMPERATURE);
> ch->value.float_value=temp;
> homekit_characteristic_notify(ch,ch->value);
> delay(10);
> homekit_characteristic_t * ch2=
> homekit_service_characteristic_by_type(humidity,
> HOMEKIT_CHARACTERISTIC_CURRENT_RELATIVE_HUMIDITY);
> ch2->value.float_value=hum;
> homekit_characteristic_notify(ch2,ch2->value);
>
> delay(10);
> }
>
> void Format(){
> // Next lines have to be done ONLY ONCE!!!!!When SPIFFS is formatted ONCE
> you can comment these lines out!!
> Serial.println("Please wait 30 secs for SPIFFS to be formatted");
> SPIFFS.format();
> Serial.println("Spiffs formatted");
> }`
>
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> .
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Step by step, EspHap library for ESP8266 uses short UUIDs, but sketch still used long, therefore code |
|
Second , how to create two icons Than you need add second device/icons and code humidity=hap_add_hum_as_accessory(homekit_accessory_category_thermostat,"Humidity"); //This will add second device/icons only with humidity P.S. You should use the latest version of ESP hap |
|
@Yurik72
Thank for responding.
First:
I think I was using the latest version of ESP hap. D0 you see an indication in my code that I’m not?
Second:
Code
**********
hap_setbase_accessorytype(homekit_accessory_category_thermostat);
hap_initbase_accessory_service("Environment Sensor","SeaMaster","258521521","DHT11_ESP8266","1.0");
temperature = hap_add_temperature_service("Temperature");
humidity = hap_add_humidity_service("Humidity");
// I just added the following line as per your email
humidity=hap_add_hum_as_accessory(homekit_accessory_category_thermostat,"Humidity");
*********
And I get the following error:
EspHapENV8266:142:86: error: 'hap_add_hum_as_accessory' was not declared in this scope
humidity=hap_add_hum_as_accessory(homekit_accessory_category_thermostat,"Humidity");
I tried with or without the line
humidity = hap_add_humidity_service("Humidity");
And still got the same error. Im not sure what I’m missing here
Third and maybe the most important one:
If I set the temp and humidity to numbers like that:
temp = 22.2; // Read temperature as Fahrenheit
hum = 77.7; // Read humidity (percent)
I can read on my phone the value
If I set it like that:
hum = dht.readHumidity(); // Read humidity (percent)
temp = dht.readTemperature(false); // Read temperature as Fahrenheit
It reads it correct only for few seconds and then start to return nan or unreal values.
In a separate sketch, without the ESP hap, this works just fine.
As the DHT11 is a slow sensor it appears that the reading gets interrupted when using ESP hap in conjunction with it.
Is the a way to pause ESP hap interrupts or processes while reading the sensor?
… On Apr 6, 2020, at 1:55 AM, Yurik72 ***@***.***> wrote:
Second , how to create two icons
first device/icons is a temperature, code
hap_setbase_accessorytype(homekit_accessory_category_thermostat);
hap_initbase_accessory_service("Environment Sensor","SeaMaster","258521521","DHT11_ESP8266","1.0");
temperature = hap_add_temperature_service("Temperature");
Than you need add second device/icons and code
humidity=hap_add_hum_as_accessory(homekit_accessory_category_thermostat,"Humidity");
//This will add second device/icons only with humidity
The rest code is OK.
P.S. You should use the latest version of ESP hap
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Please ignore "Third and maybe... " there is also another thing that I don't understand: |
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Two icons: I have provided example yesterday Therefore you need to get latest version to resolve compilation error About format, in My original example there is no function format. If you formatting SPIFFS every start , you are loosing pairing data. In my instruction i mentioned about format only when pairing not sucess. |
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Better but still not properly displayed: 2nd image I got the temperature properly but by itself - no humidity icon and symbol 3rd image is accessory from another sketch that used HomeBridge and it is displaying temperature and humidity on one accessory and that is what I was hoping to accomplish but without the need of Homebridge. it appears we are close, but not quite there yet... 4th image is from my "Home" screen. Note that the "Humidity" icon is actually a temperature icon and shows always "updating".
On the picture below notice that Default Room Humidity always show "Updating..." the serial monitor stream was so fast that overloaded the application and I had to forcibly quit it and reload it. |
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About icon Probably you need As well you can edit icon on Apple to define category "Updating.." means apple did not receive characheristic, i need a full logs to help |
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Thank you for following up! Here is my sketch: `//ESP8266 with DHT11 sketch ///---DHT11-----/// #ifdef STATIC_IP_ADDR const char* ssid = "XXXXXXXX"; const long userdelay = 3000; //delay for user input when tarting to format the SPIFFS extern "C"{ String pair_file_name="/pair.dat"; //********************** //**************** ////////////////////////////////// //Enble format only when pairing fails //ask for user input while (currMillis >= prevMillis && (digitalRead(PIN) == HIGH) ){ delay(1000); // ///---Setup homekit device---/// ///---Setup homekit device stop---/// ///---initialize HAP---/// hap_init_homekit_server(); ///---initialize HAP stop---/// ///---End of setup()---/// ///---DHT11 interrupt callback---/// void ICACHE_RAM_ATTR dht_wrapper() { } /////////////////////////////// void loop() { ///---Reading the DHT11 sensor---/// hap_homekit_loop(); //what does this exactly do????? homekit_characteristic_t * ch1= homekit_service_characteristic_by_type(temperature, HOMEKIT_CHARACTERISTIC_CURRENT_TEMPERATURE); homekit_characteristic_t * ch2= homekit_service_characteristic_by_type(humidity, HOMEKIT_CHARACTERISTIC_CURRENT_RELATIVE_HUMIDITY); ///--- end of the main loop ---/// ///--- Formating function ---/// |
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Hi, After playing around for a while, I could not make it show properly even if it is the only service/accessory in the sketch and even if I hardcoded the hum var to let's say 55% . It always shows "Updating..." even when it reads the correct data from the sensor. yet it shows the proper number in the setup screen. Could it be a problem with this specific CHARACTERISTIC somewhere in the library, or I'm dong it wrong all together? |
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#7 I think I´ve got the bug that makes humidity sensors showing the incorrect icon and "updating" status... |
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Yes, I found a mistake, #7 one of the problem, And finally , if you made pairing and after that added new accessory in the code. Better to clear all pairing again.. I have tested my device with BME280 and it shows temp and humidity perfectly |
Hi,
I looked at the code for DHT12 (I2C) that you recommend
but I'm using DHT11 and I had to modify it.
one of the disadvantages of DHT11 is that the SW is reading the data from the a pin and the sensor is very slow.
I converted the code from DHT12, but experience problems with reading the DHT11 sensor when combined with the rest of the ESPHAP code. I would presume it is because of interrupts that interfere with the reading of the sensor. Do you think there could be something done about that?
the other issue is that on the I phone I get only temperature accessory but actually reports temperature and humidity (BTW it shows 0.0 even if I put in constants rather than variables-see the rem in my code) but i'm defining 2 services, temperature and humidity
is my code doing it correct?
here is the entire code:
`
#include <ESP8266WiFi.h>
#include <ESP8266mDNS.h>
//#include <FS.h>
//#include <SPIFFS.h>
#define STATIC_IP_ADDR
///
#include "DHT.h"
#ifdef STATIC_IP_ADDR
IPAddress staticIP(192,168,0,91);
IPAddress gateway(192,168,0,1);
IPAddress subnet(255,255,255,0);
#endif
#include "coredecls.h"
#define DHTTYPE DHT11
#define DHTPIN 2
DHT dht(DHTPIN, DHTTYPE, 12); // 11 works fine for ESP8266
const char* ssid = "SHAW-62CD10";
const char* password = "251169025293";
float hum;
float temp;
unsigned long previousMillis = 0; // will store last temp was read
const long interval = 4000;
extern "C"{
#include "homeintegration.h"
}
#include "homekitintegrationcpp.h"
String pair_file_name="/pair.dat";
//**********************
void init_hap_storage(){
Serial.print("init_hap_storage");
File fsDAT=SPIFFS.open(pair_file_name, "r");
if(!fsDAT){
Serial.println("Failed to read pair.dat");
return;
}
int size=hap_get_storage_size_ex();
char* buf=new char[size];
memset(buf,0xff,size);
int readed=fsDAT.readBytes(buf,size);
Serial.print("Readed bytes ->");
Serial.println(readed);
hap_init_storage_ex(buf,size);
fsDAT.close();
delete []buf;
}
//*****************
//****************
void storage_changed(char * szstorage,int bufsize){
SPIFFS.remove(pair_file_name);
File fsDAT=SPIFFS.open(pair_file_name, "w+");
if(!fsDAT){
Serial.println("Failed to open pair.dat");
return;
}
fsDAT.write((uint8_t*)szstorage, bufsize);
fsDAT.close();
}
//********************
homekit_service_t* hapservice={0};
homekit_service_t* temperature;
homekit_service_t* humidity;
//////////////////////////////////
void setup() {
disable_extra4k_at_link_time();
Serial.begin(115200);
delay(3000);
Format();
#ifdef STATIC_IP_ADDR
WiFi.config(staticIP, gateway, subnet);
#endif
while (WiFi.status() != WL_CONNECTED) {
delay(500);
Serial.print(".");
WiFi.begin(ssid, password);
}
Serial.println("");
Serial.println("WiFi connected!");
#ifdef STATIC_IP_ADDR
Serial.print("Static IP address: ");
#else
Serial.print("Dinamic IP address: ");
#endif
/// now will setup homekit device
//we will add only one light bulb service and keep pointer for nest using
//and finally init HAP
}
////////////////////////////////
void loop() {
hap_homekit_loop();
delay(10);
unsigned long currentMillis = millis();
if (currentMillis - previousMillis >= interval) {
// save the last time you read the sensor
previousMillis = currentMillis;
Serial.println(temp); // Check if any reads failed and exit early (to try again).
if (isnan(hum) || isnan(temp)) {
Serial.println("Failed to read from DHT sensor!");
return;
}
}
homekit_characteristic_t * ch= homekit_service_characteristic_by_type(temperature, HOMEKIT_CHARACTERISTIC_CURRENT_TEMPERATURE);
ch->value.float_value=temp;
homekit_characteristic_notify(ch,ch->value);
delay(10);
homekit_characteristic_t * ch2= homekit_service_characteristic_by_type(humidity, HOMEKIT_CHARACTERISTIC_CURRENT_RELATIVE_HUMIDITY);
ch2->value.float_value=hum;
homekit_characteristic_notify(ch2,ch2->value);
delay(10);
}
void Format(){
// Next lines have to be done ONLY ONCE!!!!!When SPIFFS is formatted ONCE you can comment these lines out!!
Serial.println("Please wait 30 secs for SPIFFS to be formatted");
SPIFFS.format();
Serial.println("Spiffs formatted");
}`
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