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Add optional pulse mqtt event
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4 changed files with 16 additions and 1 deletions
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@ -14,9 +14,11 @@ Here's some code and schematic to connect your mightyohm.com geiger counter to t
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![Schematic](https://raw.githubusercontent.com/schinken/esp8266-geigercounter/master/images/schematic.png "How to connect")
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*You can optionally connect PULSE to D2 of the Wemos D1 and enable PIN_PULSE to receive a mqtt event each count!*
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## images
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<p float="left">
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<p align="middle">
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<img src="https://raw.githubusercontent.com/schinken/esp8266-geigercounter/master/images/img-1.jpg" width="32%">
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<img src="https://raw.githubusercontent.com/schinken/esp8266-geigercounter/master/images/img-2.jpg" width="32%">
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<img src="https://raw.githubusercontent.com/schinken/esp8266-geigercounter/master/images/img-3.jpg" width="32%">
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@ -45,6 +45,7 @@ void setup() {
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mqttClient.setClient(wifiClient);
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mqttClient.setServer(MQTT_HOST, 1883);
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connectMqtt();
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#ifdef OTA_PASSWORD
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ArduinoOTA.setHostname(hostname);
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@ -52,8 +53,18 @@ void setup() {
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ArduinoOTA.begin();
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#endif
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#ifdef PIN_PULSE
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pinMode(PIN_PULSE, INPUT);
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attachInterrupt(PIN_PULSE, onPulse, RISING);
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#endif
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}
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#ifdef PIN_PULSE
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ICACHE_RAM_ATTR void onPulse() {
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mqttClient.publish(MQTT_TOPIC_PULSE, "true");
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}
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#endif
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void publishValues() {
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char tmp[8];
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@ -8,6 +8,7 @@
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#define PIN_UART_RX D1 // 4
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#define PIN_UART_TX 13 // UNUSED
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//#define PIN_PULSE D2
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#define BAUD_GEIGERCOUNTER 9600
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@ -22,6 +23,7 @@
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#define MQTT_TOPIC_CPM "sensor/geigercounter/cpm"
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#define MQTT_TOPIC_USV "sensor/geigercounter/uSv"
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#define MQTT_TOPIC_LAST_WILL "sensor/geigercounter/status"
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#define MQTT_TOPIC_PULSE "sensor/geigercounter/pulse"
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// Only publishes values if changed since last publish
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#define MQTT_PUBLISH_INTERVAL_MS (10 * 1000)
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