chriz/OpenMQTT-Gateway
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db8df1ddf650d4e6550d739e04a5e2e57c8132f2
OpenMQTT-Gateway/main/main.ino
T
Florian db8df1ddf6 Hass discovery improvments (#512) 
Rename set commands to config
correct json buffer size and gateway name
replace state to cmd
replace set by config
add restart and erase command
add unicity to gateway command switches
BLE devices shouldn't be child of the gateway
make the BTtoMQTT topic consistent with other definitions
2019-12-20 23:01:56 +01:00

1508 lines
38 KiB
Arduino
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/*
OpenMQTTGateway - ESP8266 or Arduino program for home automation
Act as a wifi or ethernet gateway between your 433mhz/infrared IR signal and a MQTT broker
Send and receiving command by MQTT
This program enables to:
- receive MQTT data from a topic and send signal (RF, IR, BLE, GSM) corresponding to the received MQTT data
- publish MQTT data to a different topic related to received signals (RF, IR, BLE, GSM)
Copyright: (c)Florian ROBERT
This file is part of OpenMQTTGateway.
OpenMQTTGateway is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
OpenMQTTGateway is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include "User_config.h"
// array to store previous received RFs, IRs codes and their timestamps
#if defined(ESP8266) || defined(ESP32) || defined(__AVR_ATmega2560__) || defined(__AVR_ATmega1280__)
#define array_size 12
unsigned long ReceivedSignal[array_size][2] = {{0, 0}, {0, 0}, {0, 0}, {0, 0}, {0, 0}, {0, 0}, {0, 0}, {0, 0}, {0, 0}, {0, 0}, {0, 0}, {0, 0}};
//Time used to wait for an interval before checking system measures
unsigned long timer_sys_measures = 0;
#else // boards with smaller memory
#define array_size 4
unsigned long ReceivedSignal[array_size][2] = {{0, 0}, {0, 0}, {0, 0}, {0, 0}};
#endif
#include <PubSubClient.h>
#include <ArduinoJson.h>
// Modules config inclusion
#if defined(ZgatewayRF) || defined(ZgatewayRF2) || defined(ZgatewayPilight)
#include "config_RF.h"
#endif
#ifdef ZgatewayLORA
#include "config_LORA.h"
#endif
#ifdef ZgatewaySRFB
#include "config_SRFB.h"
#endif
#ifdef ZgatewayBT
#include "config_BT.h"
#endif
#ifdef ZgatewayIR
#include "config_IR.h"
#endif
#ifdef Zgateway2G
#include "config_2G.h"
#endif
#ifdef ZactuatorONOFF
#include "config_ONOFF.h"
#endif
#ifdef ZsensorINA226
#include "config_INA226.h"
#endif
#ifdef ZsensorHCSR501
#include "config_HCSR501.h"
#endif
#ifdef ZsensorADC
#include "config_ADC.h"
#endif
#ifdef ZsensorBH1750
#include "config_BH1750.h"
#endif
#ifdef ZsensorTSL2561
#include "config_TSL2561.h"
#endif
#ifdef ZsensorBME280
#include "config_BME280.h"
#endif
#ifdef ZsensorHCSR04
#include "config_HCSR04.h"
#endif
#ifdef ZsensorDHT
#include "config_DHT.h"
#endif
#ifdef ZgatewayRFM69
#include "config_RFM69.h"
#endif
#ifdef ZsensorGPIOInput
#include "config_GPIOInput.h"
#endif
#ifdef ZsensorGPIOKeyCode
#include "config_GPIOKeyCode.h"
#endif
#ifdef ZmqttDiscovery
#include "config_mqttDiscovery.h"
#endif
#ifdef ZactuatorFASTLED
#include "config_FASTLED.h"
#endif
/*------------------------------------------------------------------------*/
//adding this to bypass the problem of the arduino builder issue 50
void callback(char *topic, byte *payload, unsigned int length);
bool connectedOnce = false; //indicate if we have been connected once to MQTT
int failure_number = 0; // number of failure connecting to MQTT
#ifdef ESP32
#include <FS.h>
#include "SPIFFS.h"
#include <WiFi.h>
#include <ArduinoOTA.h>
#include <WiFiUdp.h>
WiFiClient eClient;
#include <WiFiManager.h>
#ifdef MDNS_SD
#include <ESPmDNS.h>
#endif
#elif defined(ESP8266)
#include <FS.h>
#include <ESP8266WiFi.h>
#include <ArduinoOTA.h>
#include <DNSServer.h>
#include <ESP8266WebServer.h>
#include <WiFiManager.h>
WiFiClient eClient;
#ifdef MDNS_SD
#include <ESP8266mDNS.h>
#endif
#else
#include <Ethernet.h>
EthernetClient eClient;
#endif
// client link to pubsub mqtt
PubSubClient client(eClient);
//MQTT last attemps reconnection date
unsigned long lastMQTTReconnectAttempt = 0;
unsigned long lastNTWKReconnectAttempt = 0;
void revert_hex_data(char *in, char *out, int l)
{
//reverting array 2 by 2 to get the data in good order
int i = l - 2, j = 0;
while (i != -2)
{
if (i % 2 == 0)
out[j] = in[i + 1];
else
out[j] = in[i - 1];
j++;
i--;
}
out[l - 1] = '\0';
}
void extract_char(char *token_char, char *subset, int start, int l, bool reverse, bool isNumber)
{
char tmp_subset[l + 1];
memcpy(tmp_subset, &token_char[start], l);
tmp_subset[l] = '\0';
if (isNumber)
{
char tmp_subset2[l + 1];
if (reverse)
revert_hex_data(tmp_subset, tmp_subset2, l + 1);
else
strncpy(tmp_subset2, tmp_subset, l + 1);
long long_value = strtoul(tmp_subset2, NULL, 16);
sprintf(tmp_subset2, "%ld", long_value);
strncpy(subset, tmp_subset2, l + 1);
}
else
{
if (reverse)
revert_hex_data(tmp_subset, subset, l + 1);
else
strncpy(subset, tmp_subset, l + 1);
}
subset[l] = '\0';
}
int strpos(char *haystack, char *needle) //from @miere https://stackoverflow.com/users/548685/miere
{
char *p = strstr(haystack, needle);
if (p)
return p - haystack;
return -1;
}
char *ip2CharArray(IPAddress ip)
{ //from Nick Lee https://stackoverflow.com/questions/28119653/arduino-display-ethernet-localip
static char a[16];
sprintf(a, "%d.%d.%d.%d", ip[0], ip[1], ip[2], ip[3]);
return a;
}
bool to_bool(String const &s)
{ // thanks Chris Jester-Young from stackoverflow
return s != "0";
}
//trace
void trc(String msg)
{
#ifdef TRACE
Serial.println(msg);
digitalWrite(led_info, HIGH);
#endif
#ifdef subjectTRACEtoMQTT
pubMQTT(subjectTRACEtoMQTT, msg);
#endif
}
void trc(int msg)
{
#ifdef TRACE
Serial.println(msg);
digitalWrite(led_info, HIGH);
#endif
#ifdef subjectTRACEtoMQTT
pubMQTT(subjectTRACEtoMQTT, msg);
#endif
}
void trc(unsigned int msg)
{
#ifdef TRACE
Serial.println(msg);
digitalWrite(led_info, HIGH);
#endif
#ifdef subjectTRACEtoMQTT
pubMQTT(subjectTRACEtoMQTT, msg);
#endif
}
void trc(long msg)
{
#ifdef TRACE
Serial.println(msg);
digitalWrite(led_info, HIGH);
#endif
#ifdef subjectTRACEtoMQTT
pubMQTT(subjectTRACEtoMQTT, msg);
#endif
}
void trc(unsigned long msg)
{
#ifdef TRACE
Serial.println(msg);
digitalWrite(led_info, HIGH);
#endif
#ifdef subjectTRACEtoMQTT
pubMQTT(subjectTRACEtoMQTT, msg);
#endif
}
void trc(double msg)
{
#ifdef TRACE
Serial.println(msg);
digitalWrite(led_info, HIGH);
#endif
#ifdef subjectTRACEtoMQTT
pubMQTT(subjectTRACEtoMQTT, msg);
#endif
}
void trc(float msg)
{
#ifdef TRACE
Serial.println(msg);
digitalWrite(led_info, HIGH);
#endif
#ifdef subjectTRACEtoMQTT
pubMQTT(subjectTRACEtoMQTT, msg);
#endif
}
void trc(JsonObject &data)
{
char JSONmessageBuffer[JSON_MSG_BUFFER];
data.printTo(JSONmessageBuffer, sizeof(JSONmessageBuffer));
trc(JSONmessageBuffer);
}
void pub(char *topicori, char *payload, bool retainFlag)
{
String topic = String(mqtt_topic) + String(topicori);
pubMQTT((char *)topic.c_str(), payload, retainFlag);
}
void pub(char *topicori, JsonObject &data)
{
if (client.connected())
{
digitalWrite(led_receive, HIGH);
String topic = String(mqtt_topic) + String(topicori);
#ifdef valueAsASubject
unsigned long value = data["value"];
if (value != 0)
{
topic = topic + "/" + String(value);
}
#endif
#ifdef jsonPublishing
char JSONmessageBuffer[JSON_MSG_BUFFER];
trc(F("Pub json into:"));
trc(topic);
data.printTo(JSONmessageBuffer, sizeof(JSONmessageBuffer));
trc(JSONmessageBuffer);
pubMQTT(topic, JSONmessageBuffer);
#endif
#ifdef simplePublishing
trc(F("Pub data per topic"));
// Loop through all the key-value pairs in obj
for (JsonPair &p : data)
{
#if defined(ESP8266)
yield();
#endif
if (p.value.is<unsigned long>() && strcmp(p.key, "rssi") != 0)
{ //test rssi , bypass solution due to the fact that a int is considered as an unsigned long
trc(p.key);
trc(p.value.as<unsigned long>());
if (strcmp(p.key, "value") == 0)
{ // if data is a value we don't integrate the name into the topic
pubMQTT(topic, p.value.as<unsigned long>());
}
else
{ // if data is not a value we integrate the name into the topic
pubMQTT(topic + "/" + String(p.key), p.value.as<unsigned long>());
}
}
else if (p.value.is<int>())
{
trc(p.key);
trc(p.value.as<int>());
pubMQTT(topic + "/" + String(p.key), p.value.as<int>());
}
else if (p.value.is<float>())
{
trc(p.key);
trc(p.value.as<float>());
pubMQTT(topic + "/" + String(p.key), p.value.as<float>());
}
else if (p.value.is<char *>())
{
trc(p.key);
trc(p.value.as<const char *>());
pubMQTT(topic + "/" + String(p.key), p.value.as<const char *>());
}
}
#endif
}
else
{
trc("client not connected can't pub");
}
}
void pub(char *topicori, char *payload)
{
if (client.connected())
{
String topic = String(mqtt_topic) + String(topicori);
trc(F("Pub ack into:"));
trc(topic);
pubMQTT(topic, payload);
}
else
{
trc("client not connected can't pub");
}
}
void pub_custom_topic(char *topicori, JsonObject &data, boolean retain)
{
if (client.connected())
{
char JSONmessageBuffer[JSON_MSG_BUFFER];
trc(F("Pub json discovery into:"));
trc(topicori);
data.printTo(JSONmessageBuffer, sizeof(JSONmessageBuffer));
trc(JSONmessageBuffer);
pubMQTT(topicori, JSONmessageBuffer, retain);
}
else
{
trc("client not connected can't pub");
}
}
// Low level MQTT functions
void pubMQTT(char * topic, char * payload)
{
client.publish(topic, payload);
}
void pubMQTT(char * topicori, char * payload, bool retainFlag)
{
client.publish(topicori, payload, retainFlag);
}
void pubMQTT(String topic, char * payload)
{
client.publish((char *)topic.c_str(),payload);
}
void pubMQTT(char *topic, unsigned long payload)
{
char val[11];
sprintf(val, "%lu", payload);
client.publish(topic, val);
}
void pubMQTT(char *topic, String payload)
{
client.publish(topic, (char *)payload.c_str());
}
void pubMQTT(String topic, String payload)
{
client.publish((char *)topic.c_str(), (char *)payload.c_str());
}
void pubMQTT(String topic, int payload)
{
char val[12];
sprintf(val, "%d", payload);
client.publish((char *)topic.c_str(), val);
}
void pubMQTT(String topic, float payload)
{
char val[12];
dtostrf(payload, 3, 1, val);
client.publish((char *)topic.c_str(), val);
}
void pubMQTT(char *topic, float payload)
{
char val[12];
dtostrf(payload, 3, 1, val);
client.publish(topic, val);
}
void pubMQTT(char *topic, int payload)
{
char val[6];
sprintf(val, "%d", payload);
client.publish(topic, val);
}
void pubMQTT(char *topic, unsigned int payload)
{
char val[6];
sprintf(val, "%u", payload);
client.publish(topic, val);
}
void pubMQTT(char *topic, long payload)
{
char val[11];
sprintf(val, "%l", payload);
client.publish(topic, val);
}
void pubMQTT(char *topic, double payload)
{
char val[16];
sprintf(val, "%d", payload);
client.publish(topic, val);
}
void pubMQTT(String topic, unsigned long payload)
{
char val[11];
sprintf(val, "%lu", payload);
client.publish((char *)topic.c_str(), val);
}
bool cmpToMainTopic(char * topicOri, char * toAdd){
char topic[mqtt_topic_max_size];
strcpy(topic,mqtt_topic);
strcat(topic,toAdd);
if (strstr(topicOri,topic) != NULL){
return true;
}else{
return false;
}
}
void reconnect()
{
#ifndef ESPWifiManualSetup
#if defined(ESP8266) || defined(ESP32)
checkButton(); // check if a reset of wifi/mqtt settings is asked
#endif
#endif
// Loop until we're reconnected
while (!client.connected())
{
trc(F("MQTT connection...")); //F function enable to decrease sram usage
char topic[mqtt_topic_max_size];
strcpy(topic,mqtt_topic);
strcat(topic,will_Topic);
if (client.connect(gateway_name, mqtt_user, mqtt_pass, topic, will_QoS, will_Retain, will_Message))
{
trc(F("Connected to broker"));
failure_number = 0;
// Once connected, publish an announcement...
pub(will_Topic, Gateway_AnnouncementMsg, will_Retain);
// publish version
pub(version_Topic, OMG_VERSION, will_Retain);
//Subscribing to topic
char topic2[mqtt_topic_max_size];
strcpy(topic2,mqtt_topic);
strcat(topic2,subjectMQTTtoX);
if (client.subscribe(topic2))
{
#ifdef ZgatewayRF
client.subscribe(subjectMultiGTWRF); // subject on which other OMG will publish, this OMG will store these msg and by the way don't republish them if they have been already published
#endif
#ifdef ZgatewayIR
client.subscribe(subjectMultiGTWIR); // subject on which other OMG will publish, this OMG will store these msg and by the way don't republish them if they have been already published
#endif
trc(F("Subscription OK to the subjects"));
}
}
else
{
failure_number++; // we count the failure
trc(F("failure_number"));
trc(failure_number);
if (failure_number > maxMQTTretry && !connectedOnce)
{
#ifndef ESPWifiManualSetup
#if defined(ESP8266) || defined(ESP32)
trc(F("failed connecting first time to mqtt, reset wifi manager & erase network credentials"));
setup_wifimanager(true);
#endif
#endif
}
trc(F("failed, rc="));
trc(client.state());
delay(5000);
// On ESP32 force wifi begin https://github.com/espressif/arduino-esp32/issues/2501
#if defined(ESP32)
WiFi.begin();
#endif
}
}
}
// Callback function, when the gateway receive an MQTT value on the topics subscribed this function is called
void callback(char *topic, byte *payload, unsigned int length)
{
// In order to republish this payload, a copy must be made
// as the orignal payload buffer will be overwritten whilst
// constructing the PUBLISH packet.
trc(F("Hey I got a callback "));
// Allocate the correct amount of memory for the payload copy
byte *p = (byte *)malloc(length + 1);
// Copy the payload to the new buffer
memcpy(p, payload, length);
// Conversion to a printable string
p[length] = '\0';
//launch the function to treat received data if this data concern OpenMQTTGateway
if ((strstr(topic, subjectMultiGTWKey) != NULL) || (strstr(topic, subjectGTWSendKey) != NULL))
receivingMQTT(topic, (char *)p);
// Free the memory
free(p);
}
void setup_parameters()
{
strcat(mqtt_topic, gateway_name);
}
void setup()
{
//Launch serial for debugging purposes
Serial.begin(SERIAL_BAUD);
#if defined(ESP8266) || defined(ESP32)
#ifdef ESP8266
#ifndef ZgatewaySRFB // if we are not in sonoff rf bridge case we apply the ESP8266 pin optimization
Serial.end();
Serial.begin(SERIAL_BAUD, SERIAL_8N1, SERIAL_TX_ONLY); // enable on ESP8266 to free some pin
#endif
#endif
#if defined(ESPWifiManualSetup)
setup_wifi();
#else
setup_wifimanager(false);
#endif
trc(F("OpenMQTTGateway mac: "));
trc(WiFi.macAddress());
trc(F("OpenMQTTGateway ip: "));
trc(WiFi.localIP().toString());
// Port defaults to 8266
ArduinoOTA.setPort(ota_port);
// Hostname defaults to esp8266-[ChipID]
ArduinoOTA.setHostname(ota_hostname);
// No authentication by default
ArduinoOTA.setPassword(ota_password);
ArduinoOTA.onStart([]() {
trc(F("Start"));
});
ArduinoOTA.onEnd([]() {
trc(F("\nEnd"));
});
ArduinoOTA.onProgress([](unsigned int progress, unsigned int total) {
Serial.printf("Progress: %u%%\r", (progress / (total / 100)));
});
ArduinoOTA.onError([](ota_error_t error) {
Serial.printf("Error[%u]: ", error);
if (error == OTA_AUTH_ERROR)
trc(F("Auth Failed"));
else if (error == OTA_BEGIN_ERROR)
trc(F("Begin Failed"));
else if (error == OTA_CONNECT_ERROR)
trc(F("Connect Failed"));
else if (error == OTA_RECEIVE_ERROR)
trc(F("Receive Failed"));
else if (error == OTA_END_ERROR)
trc(F("End Failed"));
});
ArduinoOTA.begin();
#else // In case of arduino platform
//Launch serial for debugging purposes
Serial.begin(SERIAL_BAUD);
//Begining ethernet connection in case of Arduino + W5100
setup_ethernet();
#endif
//setup LED status
pinMode(led_receive, OUTPUT);
pinMode(led_send, OUTPUT);
pinMode(led_info, OUTPUT);
digitalWrite(led_receive, LOW);
digitalWrite(led_send, LOW);
digitalWrite(led_info, LOW);
#if defined(MDNS_SD) && defined(ESP8266)
trc(F("Connecting to MQTT by mDNS without mqtt hostname"));
connectMQTTmdns();
#else
long port;
port = strtol(mqtt_port, NULL, 10);
trc(port);
#ifdef mqtt_server_name // if name is defined we define the mqtt server by its name
trc(F("Connecting to MQTT with mqtt hostname"));
IPAddress mqtt_server_ip;
WiFi.hostByName(mqtt_server_name, mqtt_server_ip);
client.setServer(mqtt_server_ip, port);
trc(mqtt_server_ip.toString());
#else // if not by its IP adress
trc(F("Connecting to MQTT by IP adress"));
client.setServer(mqtt_server, port);
trc(mqtt_server);
#endif
#endif
setup_parameters();
client.setCallback(callback);
delay(1500);
lastMQTTReconnectAttempt = 0;
lastNTWKReconnectAttempt = 0;
#ifdef ZsensorBME280
setupZsensorBME280();
#endif
#ifdef ZsensorBH1750
setupZsensorBH1750();
#endif
#ifdef ZsensorTSL2561
setupZsensorTSL2561();
#endif
#ifdef Zgateway2G
setup2G();
#endif
#ifdef ZgatewayIR
setupIR();
#endif
#ifdef ZgatewayLORA
setupLORA();
#endif
#ifdef ZgatewayRF
setupRF();
#endif
#ifdef ZgatewayRF2
setupRF2();
#endif
#ifdef ZgatewayPilight
setupPilight();
#endif
#ifdef ZgatewaySRFB
setupSRFB();
#endif
#ifdef ZgatewayBT
setupBT();
#endif
#ifdef ZgatewayRFM69
setupRFM69();
#endif
#ifdef ZsensorINA226
setupINA226();
#endif
#ifdef ZsensorHCSR501
setupHCSR501();
#endif
#ifdef ZsensorHCSR04
setupHCSR04();
#endif
#ifdef ZsensorGPIOInput
setupGPIOInput();
#endif
#ifdef ZsensorGPIOKeyCode
setupGPIOKeyCode();
#endif
#ifdef ZactuatorFASTLED
setupFASTLED();
#endif
trc(F("MQTT_MAX_PACKET_SIZE"));
trc(MQTT_MAX_PACKET_SIZE);
#if defined(ESP8266) || defined(ESP32) || defined(__AVR_ATmega2560__) || defined(__AVR_ATmega1280__)
if (MQTT_MAX_PACKET_SIZE == 128)
trc(F("WRONG PUBSUBCLIENT LIBRARY USED PLEASE INSTALL THE ONE FROM RELEASE PAGE"));
#endif
trc(F("Setup OpenMQTTGateway end"));
}
#if defined(ESPWifiManualSetup)
void setup_wifi()
{
delay(10);
int failureAttempt = 0; //DIRTY FIX ESP32 waiting for https://github.com/espressif/arduino-esp32/issues/653
WiFi.mode(WIFI_STA);
// We start by connecting to a WiFi network
trc(F("Connecting to "));
trc(wifi_ssid);
#ifdef ESPWifiAdvancedSetup
IPAddress ip_adress(ip);
IPAddress gateway_adress(gateway);
IPAddress subnet_adress(subnet);
IPAddress dns_adress(Dns);
if (!WiFi.config(ip_adress, gateway_adress, subnet_adress, dns_adress))
{
trc("STA Failed to configure");
}
WiFi.begin(wifi_ssid, wifi_password);
#else
WiFi.begin(wifi_ssid, wifi_password);
#endif
while (WiFi.status() != WL_CONNECTED)
{
delay(500);
trc(F("."));
failureAttempt++; //DIRTY FIX ESP32
if (failureAttempt > 30)
setup_wifi(); //DIRTY FIX ESP32
}
trc(F("WiFi ok with manual config credentials"));
}
#elif defined(ESP8266) || defined(ESP32)
WiFiManager wifiManager;
//flag for saving data
bool shouldSaveConfig = true;
//do we have been connected once to mqtt
//callback notifying us of the need to save config
void saveConfigCallback()
{
trc(F("Should save config"));
shouldSaveConfig = true;
}
void checkButton()
{ // code from tzapu/wifimanager examples
// check for button press
if (digitalRead(TRIGGER_PIN) == LOW)
{
// poor mans debounce/press-hold, code not ideal for production
delay(50);
if (digitalRead(TRIGGER_PIN) == LOW)
{
trc(F("Trigger button Pressed"));
// still holding button for 3000 ms, reset settings, code not ideaa for production
delay(3000); // reset delay hold
if (digitalRead(TRIGGER_PIN) == LOW)
{
trc(F("Button Held"));
trc(F("Erasing ESP Config, restarting"));
setup_wifimanager(true);
}
}
}
}
void eraseAndRestart()
{
#if defined(ESP8266)
WiFi.disconnect(true);
#else
WiFi.disconnect(true, true);
#endif
trc("Formatting requested, result:");
trc(SPIFFS.format());
#if defined(ESP8266)
ESP.reset();
#else
ESP.restart();
#endif
}
void setup_wifimanager(bool reset_settings)
{
pinMode(TRIGGER_PIN, INPUT_PULLUP);
if (reset_settings)
eraseAndRestart();
WiFi.mode(WIFI_STA);
//read configuration from FS json
trc(F("mounting FS..."));
if (SPIFFS.begin())
{
trc(F("mounted file system"));
}
else
{
trc(F("failed to mount FS -> formating"));
SPIFFS.format();
if (SPIFFS.begin())
trc(F("mounted file system after formating"));
}
if (SPIFFS.exists("/config.json"))
{
//file exists, reading and loading
trc(F("reading config file"));
File configFile = SPIFFS.open("/config.json", "r");
if (configFile)
{
trc(F("opened config file"));
size_t size = configFile.size();
// Allocate a buffer to store contents of the file.
std::unique_ptr<char[]> buf(new char[size]);
configFile.readBytes(buf.get(), size);
DynamicJsonBuffer jsonBuffer;
JsonObject &json = jsonBuffer.parseObject(buf.get());
json.printTo(Serial);
if (json.success())
{
trc(F("\nparsed json"));
if (json.containsKey("mqtt_server"))
strcpy(mqtt_server, json["mqtt_server"]);
if (json.containsKey("mqtt_port"))
strcpy(mqtt_port, json["mqtt_port"]);
if (json.containsKey("mqtt_user"))
strcpy(mqtt_user, json["mqtt_user"]);
if (json.containsKey("mqtt_pass"))
strcpy(mqtt_pass, json["mqtt_pass"]);
if (json.containsKey("mqtt_topic"))
strcpy(mqtt_topic, json["mqtt_topic"]);
if (json.containsKey("gateway_name"))
strcpy(gateway_name, json["gateway_name"]);
}
else
{
trc(F("failed to load json config"));
}
}
}
// The extra parameters to be configured (can be either global or just in the setup)
// After connecting, parameter.getValue() will get you the configured value
// id/name placeholder/prompt default length
WiFiManagerParameter custom_mqtt_server("server", "mqtt server", mqtt_server, parameters_size);
WiFiManagerParameter custom_mqtt_port("port", "mqtt port", mqtt_port, 6);
WiFiManagerParameter custom_mqtt_user("user", "mqtt user", mqtt_user, parameters_size);
WiFiManagerParameter custom_mqtt_pass("pass", "mqtt pass", mqtt_pass, parameters_size);
WiFiManagerParameter custom_mqtt_topic("topic", "mqtt base topic", mqtt_topic, mqtt_topic_max_size);
WiFiManagerParameter custom_gateway_name("name", "gateway name", gateway_name, parameters_size * 2);
//WiFiManager
//Local intialization. Once its business is done, there is no need to keep it around
wifiManager.setConnectTimeout(WifiManager_TimeOut);
//Set timeout before going to portal
wifiManager.setConfigPortalTimeout(WifiManager_ConfigPortalTimeOut);
//set config save notify callback
wifiManager.setSaveConfigCallback(saveConfigCallback);
//set static ip
#ifdef NetworkAdvancedSetup
trc(F("Adv wifi cfg"));
IPAddress gateway_adress(gateway);
IPAddress subnet_adress(subnet);
IPAddress ip_adress(ip);
wifiManager.setSTAStaticIPConfig(ip_adress, gateway_adress,subnet_adress);
#endif
//add all your parameters here
wifiManager.addParameter(&custom_mqtt_server);
wifiManager.addParameter(&custom_mqtt_port);
wifiManager.addParameter(&custom_mqtt_user);
wifiManager.addParameter(&custom_mqtt_pass);
wifiManager.addParameter(&custom_gateway_name);
wifiManager.addParameter(&custom_mqtt_topic);
//set minimum quality of signal so it ignores AP's under that quality
wifiManager.setMinimumSignalQuality(MinimumWifiSignalQuality);
//fetches ssid and pass and tries to connect
//if it does not connect it starts an access point with the specified name
//and goes into a blocking loop awaiting configuration
if (!wifiManager.autoConnect(WifiManager_ssid, WifiManager_password))
{
trc(F("failed to connect and hit timeout"));
delay(3000);
//reset and try again, or maybe put it to deep sleep
#if defined(ESP8266)
ESP.reset();
#else
ESP.restart();
#endif
delay(5000);
}
//if you get here you have connected to the WiFi
trc(F("connected...yeey :)"));
//read updated parameters
strcpy(mqtt_server, custom_mqtt_server.getValue());
strcpy(mqtt_port, custom_mqtt_port.getValue());
strcpy(mqtt_user, custom_mqtt_user.getValue());
strcpy(mqtt_pass, custom_mqtt_pass.getValue());
strcpy(mqtt_topic, custom_mqtt_topic.getValue());
strcpy(gateway_name, custom_gateway_name.getValue());
//save the custom parameters to FS
if (shouldSaveConfig)
{
trc(F("saving config"));
DynamicJsonBuffer jsonBuffer;
JsonObject &json = jsonBuffer.createObject();
json["mqtt_server"] = mqtt_server;
json["mqtt_port"] = mqtt_port;
json["mqtt_user"] = mqtt_user;
json["mqtt_pass"] = mqtt_pass;
json["mqtt_topic"] = mqtt_topic;
json["gateway_name"] = gateway_name;
File configFile = SPIFFS.open("/config.json", "w");
if (!configFile)
{
trc(F("failed to open config file for writing"));
}
json.printTo(Serial);
json.printTo(configFile);
configFile.close();
//end save
}
}
#else // Arduino case
void setup_ethernet()
{
#ifdef NetworkAdvancedSetup
trc(F("Adv eth cfg"));
Ethernet.begin(mac, ip, Dns, gateway, subnet);
#else
trc(F("Spl eth cfg"));
Ethernet.begin(mac, ip);
#endif
if (Ethernet.hardwareStatus() == EthernetNoHardware)
{
trc("Ethernet shield was not found.");
}
else
{
trc(F("ip: "));
Serial.println(Ethernet.localIP());
trc(F("Eth ok"));
}
}
#endif
#if defined(MDNS_SD) && defined(ESP8266)
void connectMQTTmdns()
{
if (!MDNS.begin("ESP_MQTT"))
{
trc(F("Error setting up MDNS responder!"));
while (1)
{
delay(1000);
}
}
trc(F("Browsing for service MQTT "));
int n = MDNS.queryService("mqtt", "tcp");
if (n == 0)
{
trc(F("no services found"));
}
else
{
trc(n);
trc(F(" service(s) found"));
for (int i = 0; i < n; ++i)
{
// Print details for each service found
trc(i + 1);
trc(MDNS.hostname(i));
trc(MDNS.IP(i).toString());
trc(MDNS.port(i));
}
if (n == 1)
{
trc(F("One MQTT server found setting parameters"));
client.setServer(MDNS.IP(0), int(MDNS.port(0)));
}
else
{
trc(F("Several MQTT servers found, please deactivate mDNS and set your default server"));
}
}
}
#endif
void loop()
{
#ifndef ESPWifiManualSetup
#if defined(ESP8266) || defined(ESP32)
checkButton(); // check if a reset of wifi/mqtt settings is asked
#endif
#endif
digitalWrite(led_receive, LOW);
digitalWrite(led_info, LOW);
digitalWrite(led_send, LOW);
unsigned long now = millis();
#if defined(ESP8266) || defined(ESP32)
if (WiFi.status() == WL_CONNECTED)
{
#else
if ((Ethernet.hardwareStatus() != EthernetW5100 && Ethernet.linkStatus() == LinkON) || (Ethernet.hardwareStatus() == EthernetW5100))
{ //we are able to detect disconnection only on w5200 and w5500
#endif
lastNTWKReconnectAttempt = 0;
if (client.connected())
{
// MQTT loop
connectedOnce = true;
lastMQTTReconnectAttempt = 0;
#ifdef ZmqttDiscovery
if(!connectedOnce) pubMqttDiscovery(); // at first connection we publish the discovery payloads
#endif
client.loop();
#if defined(ESP8266) || defined(ESP32)
ArduinoOTA.handle();
#endif
#ifdef ZsensorBME280
MeasureTempHumAndPressure(); //Addon to measure Temperature, Humidity, Pressure and Altitude with a Bosch BME280
#endif
#ifdef ZsensorHCSR04
MeasureDistance(); //Addon to measure distance with a HC-SR04
#endif
#ifdef ZsensorBH1750
MeasureLightIntensity(); //Addon to measure Light Intensity with a BH1750
#endif
#ifdef ZsensorTSL2561
MeasureLightIntensityTSL2561();
#endif
#ifdef ZsensorDHT
MeasureTempAndHum(); //Addon to measure the temperature with a DHT
#endif
#ifdef ZsensorINA226
MeasureINA226();
#endif
#ifdef ZsensorHCSR501
MeasureHCSR501();
#endif
#ifdef ZsensorGPIOInput
MeasureGPIOInput();
#endif
#ifdef ZsensorGPIOKeyCode
MeasureGPIOKeyCode();
#endif
#ifdef ZsensorADC
MeasureADC(); //Addon to measure the analog value of analog pin
#endif
#ifdef ZgatewayLORA
LORAtoMQTT();
#endif
#ifdef ZgatewayRF
RFtoMQTT();
#endif
#ifdef ZgatewayRF2
RF2toMQTT();
#endif
#ifdef ZgatewayPilight
PilighttoMQTT();
#endif
#ifdef ZgatewayBT
#ifndef ESP32
if (BTtoMQTT())
trc(F("BTtoMQTT OK"));
#endif
#endif
#ifdef ZgatewaySRFB
SRFBtoMQTT();
#endif
#ifdef ZgatewayIR
IRtoMQTT();
#endif
#ifdef Zgateway2G
if (_2GtoMQTT())
trc(F("2GtoMQTT OK"));
#endif
#ifdef ZgatewayRFM69
if (RFM69toMQTT())
trc(F("RFM69toMQTT OK"));
#endif
#if defined(ESP8266) || defined(ESP32) || defined(__AVR_ATmega2560__) || defined(__AVR_ATmega1280__)
stateMeasures();
#endif
#ifdef ZactuatorFASTLED
FASTLEDLoop();
#endif
}
else
{
if (now - lastMQTTReconnectAttempt > 5000)
{
lastMQTTReconnectAttempt = now;
reconnect();
}
}
}
else
{ // disconnected from network
if (now - lastNTWKReconnectAttempt > 10000)
{
lastNTWKReconnectAttempt = now;
#if defined(ESP8266) || defined(ESP32)
trc("wifi disconnected");
delay(10000); // add a delay to avoid ESP32 crash and reset
#if defined(ESPWifiManualSetup)
trc(F("restarting ESP"));
#ifdef ESP32
ESP.restart();
#endif
#ifdef ESP8266
ESP.reset();
#endif
#else
if (!connectedOnce)
{
trc(F("reseting wifi manager"));
setup_wifimanager(true); // if we didn't connected once to mqtt we reset and start in AP mode again to have a chance to change the parameters
}
#endif
#else
trc("eth disconnected");
#endif
}
}
}
#if defined(ESP8266) || defined(ESP32) || defined(__AVR_ATmega2560__) || defined(__AVR_ATmega1280__)
void stateMeasures()
{
unsigned long now = millis();
if (now > (timer_sys_measures + TimeBetweenReadingSYS))
{ //retriving value of memory ram every TimeBetweenReadingSYS
timer_sys_measures = millis();
StaticJsonBuffer<JSON_MSG_BUFFER> jsonBuffer;
JsonObject &SYSdata = jsonBuffer.createObject();
trc(F("Uptime (s)"));
unsigned long uptime = millis() / 1000;
trc(uptime);
SYSdata["uptime"] = uptime;
#if defined(ESP8266) || defined(ESP32)
uint32_t freeMem;
freeMem = ESP.getFreeHeap();
SYSdata["freeMem"] = freeMem;
long rssi = WiFi.RSSI();
SYSdata["rssi"] = rssi;
String SSID = WiFi.SSID();
SYSdata["SSID"] = SSID;
SYSdata["ip"] = ip2CharArray(WiFi.localIP());
String mac = WiFi.macAddress();
SYSdata["mac"] = (char *)mac.c_str();
#else
SYSdata["ip"] = ip2CharArray(Ethernet.localIP());
#endif
String modules = "";
#ifdef ZgatewayRF
modules = modules + ZgatewayRF;
#endif
#ifdef ZsensorBME280
modules = modules + ZsensorBME280;
#endif
#ifdef ZsensorHCSR04
modules = modules + ZsensorHCSR04;
#endif
#ifdef ZsensorBH1750
modules = modules + ZsensorBH1750;
#endif
#ifdef ZsensorTSL2561
modules = modules + ZsensorTSL2561;
#endif
#ifdef ZsensorDHT
modules = modules + ZsensorDHT;
#endif
#ifdef ZactuatorONOFF
modules = modules + ZactuatorONOFF;
#endif
#ifdef Zgateway2G
modules = modules + Zgateway2G;
#endif
#ifdef ZgatewayIR
modules = modules + ZgatewayIR;
#endif
#ifdef ZgatewayLORA
modules = modules + ZgatewayLORA;
#endif
#ifdef ZgatewayRF2
modules = modules + ZgatewayRF2;
#endif
#ifdef ZgatewayPilight
modules = modules + ZgatewayPilight;
#endif
#ifdef ZgatewaySRFB
modules = modules + ZgatewaySRFB;
#endif
#ifdef ZgatewayBT
modules = modules + ZgatewayBT;
#endif
#ifdef ZgatewayRFM69
modules = modules + ZgatewayRFM69;
#endif
#ifdef ZsensorINA226
modules = modules + ZsensorINA226;
#endif
#ifdef ZsensorHCSR501
modules = modules + ZsensorHCSR501;
#endif
#ifdef ZsensorGPIOInput
modules = modules + ZsensorGPIOInput;
#endif
#ifdef ZsensorGPIOKeyCode
modules = modules + ZsensorGPIOKeyCode;
#endif
#ifdef ZsensorGPIOKeyCode
modules = modules + ZsensorGPIOKeyCode;
#endif
#ifdef ZmqttDiscovery
modules = modules + ZmqttDiscovery;
pubMqttDiscovery();
#endif
#ifdef ZactuatorFASTLED
modules = modules + ZactuatorFASTLED;
#endif
SYSdata["modules"] = modules;
trc(SYSdata);
pub(subjectSYStoMQTT, SYSdata);
}
}
#endif
void storeValue(unsigned long MQTTvalue)
{
unsigned long now = millis();
// find oldest value of the buffer
int o = getMin();
trc(F("Min ind: "));
trc(o);
// replace it by the new one
ReceivedSignal[o][0] = MQTTvalue;
ReceivedSignal[o][1] = now;
trc(F("store code :"));
trc(String(ReceivedSignal[o][0]) + "/" + String(ReceivedSignal[o][1]));
trc(F("Col: val/timestamp"));
for (int i = 0; i < array_size; i++)
{
trc(String(i) + ":" + String(ReceivedSignal[i][0]) + "/" + String(ReceivedSignal[i][1]));
}
}
int getMin()
{
unsigned int minimum = ReceivedSignal[0][1];
int minindex = 0;
for (int i = 0; i < array_size; i++)
{
if (ReceivedSignal[i][1] < minimum)
{
minimum = ReceivedSignal[i][1];
minindex = i;
}
}
return minindex;
}
bool isAduplicate(unsigned long value)
{
trc(F("isAdupl?"));
// check if the value has been already sent during the last time_avoid_duplicate
for (int i = 0; i < array_size; i++)
{
if (ReceivedSignal[i][0] == value)
{
unsigned long now = millis();
if (now - ReceivedSignal[i][1] < time_avoid_duplicate)
{ // change
trc(F("no pub. dupl"));
return true;
}
}
}
return false;
}
void receivingMQTT(char *topicOri, char *datacallback)
{
StaticJsonBuffer<JSON_MSG_BUFFER> jsonBuffer;
JsonObject &jsondata = jsonBuffer.parseObject(datacallback);
if (strstr(topicOri, subjectMultiGTWKey) != NULL) // storing received value so as to avoid publishing this value if it has been already sent by this or another OpenMQTTGateway
{
trc(F("Store str"));
unsigned long data = 0;
#ifdef jsonPublishing
if (jsondata.success())
data = jsondata["value"];
#endif
#ifdef simplePublishing
data = strtoul(datacallback, NULL, 10); // we will not be able to pass values > 4294967295
#endif
if (data != 0)
{
storeValue(data);
trc(F("JSON str"));
}
}
if (jsondata.success())
{ // json object ok -> json decoding
#ifdef ZgatewayPilight // ZgatewayPilight is only defined with json publishing
MQTTtoPilight(topicOri, jsondata);
#endif
#ifdef jsonReceiving
#ifdef ZgatewayLORA
MQTTtoLORA(topicOri, jsondata);
#endif
#ifdef ZgatewayRF
MQTTtoRF(topicOri, jsondata);
#endif
#ifdef ZgatewayRF2
MQTTtoRF2(topicOri, jsondata);
#endif
#ifdef Zgateway2G
MQTTto2G(topicOri, jsondata);
#endif
#ifdef ZgatewaySRFB
MQTTtoSRFB(topicOri, jsondata);
#endif
#ifdef ZgatewayIR
MQTTtoIR(topicOri, jsondata);
#endif
#ifdef ZgatewayRFM69
MQTTtoRFM69(topicOri, jsondata);
#endif
#ifdef ZgatewayBT
MQTTtoBT(topicOri, jsondata);
#endif
#endif
#ifdef ZactuatorONOFF // outside the jsonpublishing macro due to the fact that we need to use simplepublishing with HA discovery
MQTTtoONOFF(topicOri, jsondata);
#endif
digitalWrite(led_send, HIGH);
#ifdef ZactuatorFASTLED
MQTTtoFASTLEDJSON(topicOri, jsondata);
#endif
MQTTtoSYS(topicOri, jsondata);
}
else
{ // not a json object --> simple decoding
#ifdef simpleReceiving
#ifdef ZgatewayLORA
MQTTtoLORA(topicOri, datacallback);
#endif
#ifdef ZgatewayRF
MQTTtoRF(topicOri, datacallback);
#endif
#ifdef ZgatewayRF315
MQTTtoRF315(topicOri, datacallback);
#endif
#ifdef ZgatewayRF2
MQTTtoRF2(topicOri, datacallback);
#endif
#ifdef Zgateway2G
MQTTto2G(topicOri, datacallback);
#endif
#ifdef ZgatewaySRFB
MQTTtoSRFB(topicOri, datacallback);
#endif
#ifdef ZgatewayIR
MQTTtoIR(topicOri, datacallback);
#endif
#ifdef ZgatewayRFM69
MQTTtoRFM69(topicOri, datacallback);
#endif
#endif
#ifdef ZactuatorONOFF
MQTTtoONOFF(topicOri, datacallback);
#endif
#ifdef ZactuatorFASTLED
MQTTtoFASTLED(topicOri, datacallback);
#endif
digitalWrite(led_send, HIGH);
}
//YELLOW OFF
digitalWrite(led_send, HIGH);
}
void MQTTtoSYS(char *topicOri, JsonObject &SYSdata)
{ // json object decoding
if (cmpToMainTopic(topicOri,subjectMQTTtoSYSset))
{
trc(F("MQTTtoSYS json set"));
#if defined(ESP8266) || defined(ESP32)
if (SYSdata.containsKey("cmd"))
{
trc(F("Command"));
const char *cmd = SYSdata["cmd"];
trc(cmd);
if (strstr(cmd, restartCmd) != NULL)
{ //restart
#if defined(ESP8266)
ESP.reset();
#else
ESP.restart();
#endif
}
else if (strstr(cmd, eraseCmd) != NULL)
{ //erase and restart
setup_wifimanager(true);
}
else
{
trc(F("wrong command"));
}
}
#endif
}
}
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