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| Both sides previous revisionPrevious revisionNext revision | Previous revision | ||
| en:iot:examples:pir [2018/12/27 10:53] – external edit 127.0.0.1 | en:iot:examples:pir [Unknown date] (current) – external edit (Unknown date) 127.0.0.1 | ||
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| Line 17: | Line 17: | ||
| */ | */ | ||
| + | // Includes global variables and librarys that the PIR shield uses | ||
| #include < | #include < | ||
| #include < | #include < | ||
| - | //Pin definition for the pir (GPIO14) | + | #define MODULE_TOPIC " |
| + | #define WIFI_NAME " | ||
| + | #define WIFI_PASSWORD " | ||
| + | |||
| + | //Pin definition for the PIR (GPIO14) | ||
| #define PIR_PIN D5 | #define PIR_PIN D5 | ||
| - | //Pin definition for the pir LED (GPIO16) | + | //Pin definition for the PIR LED (GPIO16) |
| #define PIR_LED_PIN D4 | #define PIR_LED_PIN D4 | ||
| Line 38: | Line 43: | ||
| Serial.print(" | Serial.print(" | ||
| Serial.println(msg); | Serial.println(msg); | ||
| - | if(msg == " | ||
| - | { | ||
| - | onState = true; | ||
| - | } | ||
| - | if(msg == " | + | if(topic == MODULE_TOPIC) |
| { | { | ||
| - | onState = false; | + | // Switching the PIR shield on or off, depending what message is received |
| + | if(msg == " | ||
| + | { | ||
| + | | ||
| + | } | ||
| + | if(msg == " | ||
| + | { | ||
| + | onState = false; | ||
| + | } | ||
| } | } | ||
| } | } | ||
| Line 54: | Line 63: | ||
| Serial.println(" | Serial.println(" | ||
| // Subscribe to the topic " | // Subscribe to the topic " | ||
| - | iot.subscribe(" | + | iot.subscribe(MODULE_TOPIC); |
| iot.log(" | iot.log(" | ||
| } | } | ||
| Line 60: | Line 69: | ||
| void setup() | void setup() | ||
| { | { | ||
| - | Serial.begin(115200); | + | Serial.begin(115200); |
| Serial.println(" | Serial.println(" | ||
| - | // Print json config to serial | + | //iot.setConfig(" |
| - | iot.printConfig(); | + | |
| - | // Initialize IoT library | + | |
| - | iot.setup(); | + | iot.setup(); |
| - | // Initialize | + | |
| + | // Initialize | ||
| pinMode(PIR_PIN, | pinMode(PIR_PIN, | ||
| pinMode(PIR_LED_PIN, | pinMode(PIR_LED_PIN, | ||
| Line 74: | Line 84: | ||
| void loop() | void loop() | ||
| { | { | ||
| - | // IoT behind the plan work, it should be periodically called | + | |
| - | iot.handle(); | + | delay(200); |
| - | delay(200); | + | |
| - | if(onState == true){ | + | |
| - | + | // This part of the code is executed, when PIR shield is active | |
| - | if(digitalRead(PIR_PIN)) | + | if(digitalRead(PIR_PIN)) |
| - | { | + | |
| - | if(pirState == false) | + | |
| { | { | ||
| - | digitalWrite(PIR_LED_PIN, | + | |
| - | String msg = String(" | + | { |
| - | iot.publishMsg(" | + | // When PIR has detected motion, then the LED is switched on and text “Motion detected!” is published to the MQTT broker |
| - | // | + | |
| - | pirState = true; | + | String msg = String(" |
| + | iot.publishMsg(" | ||
| + | // | ||
| + | pirState = true; | ||
| + | } | ||
| } | } | ||
| - | } | + | |
| - | | + | |
| - | { | + | |
| - | if(pirState == true) | + | |
| { | { | ||
| - | digitalWrite(PIR_LED_PIN, | + | |
| - | pirState = false; | + | { |
| + | // PIR shields LED is switched off, when it is not detecting any motion | ||
| + | | ||
| + | pirState = false; | ||
| + | } | ||
| } | } | ||
| } | } | ||
| - | } | + | |
| - | else{ | + | // When the PIR shield has been switched off, then its offline state is sent to the MQTT broker |
| - | | + | |
| - | delay(2000); | + | delay(2000); |
| + | } | ||
| } | } | ||
| - | } | ||
| - | |||
| </ | </ | ||
