134 lines
4.2 KiB
Arduino
134 lines
4.2 KiB
Arduino
/*
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OpenMQTTGateway - ESP8266 or Arduino program for home automation
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Act as a wifi or ethernet gateway between your 433mhz/infrared IR signal and a MQTT broker
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Send and receiving command by MQTT
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This gateway enables to:
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- receive MQTT data from a topic and send SMS corresponding to the received MQTT data
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- publish MQTT data to a different topic related to received SMS
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Copyright: (c)Florian ROBERT
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This file is part of OpenMQTTGateway.
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OpenMQTTGateway is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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OpenMQTTGateway is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifdef Zgateway2G
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#include <A6lib.h> // library for controling A6 or A7 module
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// Instantiate the library with TxPin, RxPin.
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A6lib A6l(_2G_TX_PIN, _2G_RX_PIN); //D6 to A6 RX, D7 to A6 TX
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int unreadSMSLocs[50] = {0};
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int unreadSMSNum = 0;
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SMSmessage sms;
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void setup2G(){
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trc(F("_2G_TX_PIN "));
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trc(_2G_TX_PIN);
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trc(F("_2G_RX_PIN "));
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trc(_2G_RX_PIN);
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setupGSM(false);
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trc(F("Zgateway2G setup done "));
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}
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void setupGSM(boolean deleteSMS){
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trc("Init 2G module: ");
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trc(_2G_PWR_PIN);
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delay(1000);
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// Power-cycle the module to reset it.
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A6l.powerCycle(_2G_PWR_PIN);
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trc("waiting for network connection");
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A6l.blockUntilReady(_2G_MODULE_BAUDRATE);
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trc("A6/A7 gsm ready");
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signalStrengthAnalysis();
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delay(1000);
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// deleting all sms
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if (deleteSMS){
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if (A6l.deleteSMS(1,4) == A6_OK ) {
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trc("delete SMS OK");
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}else{
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trc("delete SMS KO");
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}
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}
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}
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void signalStrengthAnalysis(){
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int signalStrength = 0;
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signalStrength = A6l.getSignalStrength();
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trc("Signal strength: ");
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trc(signalStrength);
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if (signalStrength < _2G_MIN_SIGNAL || signalStrength > _2G_MAX_SIGNAL ) {
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trc("Signal too low restart the module");
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setupGSM(false); // if we are below or above a threshold signal we relaunch the setup of GSM module
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}
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}
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boolean _2GtoMQTT(){
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// Get the memory locations of unread SMS messages.
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unreadSMSNum = A6l.getUnreadSMSLocs(unreadSMSLocs, 512);
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for (int i = 0; i < unreadSMSNum; i++) {
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trc("New message at index: ");
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trc(unreadSMSNum);
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sms = A6l.readSMS(unreadSMSLocs[i]);
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trc(sms.number);
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trc(sms.date);
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trc(sms.message);
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A6l.deleteSMS(unreadSMSLocs[i]); // we delete the SMS received
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trc(F("data 2GtoMQTT"));
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client.publish(subject2GtoMQTTphone,(char *)sms.number.c_str());
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client.publish(subject2GtoMQTTdate,(char *)sms.date.c_str());
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client.publish(subject2GtoMQTTmessage,(char *)sms.message.c_str());
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return true;
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}
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return false;
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}
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void MQTTto2G(char * topicOri, char * datacallback) {
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String data = datacallback; // we will not be able to pass values > 4294967295
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// 2G DATA ANALYSIS
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//We look into the subject to see if a special RF protocol is defined
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String topic = topicOri;
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String phone_number = "";
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int pos0 = topic.lastIndexOf(_2GPhoneKey);
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if (pos0 != -1) {
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pos0 = pos0 + strlen(_2GPhoneKey);
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phone_number = topic.substring(pos0);
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trc(F("Phone number to send SMS:"));
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trc(phone_number);
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}
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if((strstr(topicOri, subjectMQTTto2G) != NULL) && (pos0 != -1)){
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trc(F("MQTTto2G"));
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trc(data);
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if (A6l.sendSMS(phone_number,data) == A6_OK ) {
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trc("SMS OK");
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}else{
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trc("SMS KO");
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}
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// Acknowledgement to the GTW2G topic
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boolean result = client.publish(subjectGTW2GtoMQTT, datacallback);// we acknowledge the sending by publishing the value to an acknowledgement topic, for the moment even if it is a signal repetition we acknowledge also
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if (result){
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trc(F("MQTTto2G ack pub."));
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trc(data);
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}
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}
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}
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#endif
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