119 lines
4.5 KiB
Arduino
119 lines
4.5 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 program enables to:
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- receive MQTT data from a topic and send RF 433Mhz signal corresponding to the received MQTT data
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- publish MQTT data to a different topic related to received 433Mhz signal
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Copyright: (c)1technophile
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Permission is hereby granted, free of charge, to any person obtaining a copy of this software
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and associated documentation files (the "Software"), to deal in the Software without restriction,
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including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense,
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and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so,
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subject to the following conditions:
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The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED
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TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF
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CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*/
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#ifdef ZgatewayRF
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#include <RCSwitch.h> // library for controling Radio frequency switch
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RCSwitch mySwitch = RCSwitch();
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void setupRF()
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{
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//RF init parameters
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mySwitch.enableTransmit(RF_EMITTER_PIN);
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mySwitch.setRepeatTransmit(RF_EMITTER_REPEAT);
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mySwitch.enableReceive(RF_RECEIVER_PIN);
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}
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boolean RFtoMQTT(){
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if (mySwitch.available()){
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trc(F("Receiving 433Mhz signal"));
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unsigned long MQTTvalue = 0;
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String MQTTprotocol;
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String MQTTbits;
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String MQTTlength;
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MQTTvalue = mySwitch.getReceivedValue();
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MQTTprotocol = String(mySwitch.getReceivedProtocol());
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MQTTbits = String(mySwitch.getReceivedBitlength());
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MQTTlength = String(mySwitch.getReceivedDelay());
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mySwitch.resetAvailable();
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if (!isAduplicate(MQTTvalue) && MQTTvalue!=0) {// conditions to avoid duplications of RF -->MQTT
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trc(F("Sending advanced signal to MQTT"));
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client.publish(subjectRFtoMQTTprotocol,(char *)MQTTprotocol.c_str());
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client.publish(subjectRFtoMQTTbits,(char *)MQTTbits.c_str());
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client.publish(subjectRFtoMQTTlength,(char *)MQTTlength.c_str());
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trc(F("Sending RF to MQTT"));
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String value = String(MQTTvalue);
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trc(value);
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boolean result = client.publish(subjectRFtoMQTT,(char *)value.c_str());
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return result;
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}
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}
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return false;
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}
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void MQTTtoRF(char * topicOri, char * datacallback) {
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unsigned long data = strtoul(datacallback, NULL, 10); // we will not be able to pass values > 4294967295
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// RF 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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int valuePRT = 0;
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int valuePLSL = 0;
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int pos = topic.lastIndexOf(RFprotocolKey);
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if (pos != -1){
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pos = pos + +strlen(RFprotocolKey);
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valuePRT = (topic.substring(pos,pos + 1)).toInt();
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trc(F("RF Protocol number:"));
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trc(String(valuePRT));
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}
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//We look into the subject to see if a special RF pulselength is defined
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int pos2 = topic.lastIndexOf(RFpulselengthKey);
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if (pos2 != -1) {
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pos2 = pos2 + strlen(RFpulselengthKey);
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valuePLSL = (topic.substring(pos2,pos2 + 3)).toInt();
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trc(F("RF Pulse Length:"));
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trc(String(valuePLSL));
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}
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if ((topic == subjectMQTTtoRF) && (valuePRT == 0) && (valuePLSL == 0)){
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trc(F("Sending data by RF, default parameters"));
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mySwitch.setProtocol(1,350);
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mySwitch.send(data, 24);
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// Acknowledgement to the GTWRF topic
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boolean result = client.publish(subjectGTWRFtoMQTT, datacallback);
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if (result)trc(F("Acknowedgement of reception published"));
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} else if ((valuePRT != 0) || (valuePLSL != 0)){
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trc(F("Sending data by RF, user defined parameters"));
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if (valuePRT == 0) valuePRT = 1;
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if (valuePLSL == 0) valuePLSL = 350;
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trc(String(valuePRT));
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trc(String(valuePLSL));
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mySwitch.setProtocol(valuePRT,valuePLSL);
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mySwitch.send(data, 24);
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// Acknowledgement to the GTWRF topic
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boolean result = client.publish(subjectGTWRFtoMQTT, datacallback);
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if (result){
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trc(F("Signal below sent by RF and acknowledgment published"));
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trc(String(data));
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};
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}
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}
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#endif
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