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| Both sides previous revisionPrevious revisionNext revision | Previous revision | ||
| en:iot:examples:buzzer [2020/07/20 11:26] – external edit 127.0.0.1 | en:iot:examples:buzzer [2024/03/12 16:19] (current) – heiko.pikner | ||
|---|---|---|---|
| Line 3: | Line 3: | ||
| Needed libraries: | Needed libraries: | ||
| - | < | + | < |
| - | The code below will alert the buzz sound when values have been submitted | + | The code below will alert the buzz sound when values have been submitted |
| <code c> | <code c> | ||
| Line 18: | Line 18: | ||
| */ | */ | ||
| + | // Includes global variables and librarys that the Buzzer uses | ||
| #include < | #include < | ||
| #include < | #include < | ||
| #include < | #include < | ||
| + | |||
| + | #define MODULE_TOPIC " | ||
| + | #define WIFI_NAME " | ||
| + | #define WIFI_PASSWORD " | ||
| //Pin definition for the buzzer (GPIO15) | //Pin definition for the buzzer (GPIO15) | ||
| Line 27: | Line 32: | ||
| Buzzer buzzer(BUZZER_PIN); | Buzzer buzzer(BUZZER_PIN); | ||
| + | // Splitting string into smaller parts, so that the sound level and length can be read out | ||
| // https:// | // https:// | ||
| String getValue(String data, char separator, int index) | String getValue(String data, char separator, int index) | ||
| Line 43: | Line 49: | ||
| } | } | ||
| } | } | ||
| - | |||
| return found> | return found> | ||
| } | } | ||
| Line 57: | Line 62: | ||
| Serial.println(msg); | Serial.println(msg); | ||
| - | String Note = getValue(msg,';', | + | |
| - | String time = getValue(msg,';', | + | { |
| - | + | | |
| - | buzzer.sound(Note.toInt(), | + | String time = getValue(msg,';', |
| + | buzzer.sound(Note.toInt(), | ||
| + | } | ||
| } | } | ||
| Line 69: | Line 76: | ||
| Serial.println(" | Serial.println(" | ||
| // Subscribe to the topic " | // Subscribe to the topic " | ||
| - | iot.subscribe(" | + | iot.subscribe(MODULE_TOPIC); |
| iot.log(" | iot.log(" | ||
| } | } | ||
| Line 75: | Line 82: | ||
| void setup() | void setup() | ||
| { | { | ||
| - | Serial.begin(115200); | + | Serial.begin(115200); |
| Serial.println(" | Serial.println(" | ||
| + | // | ||
| + | // | ||
| // Print json config to serial | // Print json config to serial | ||
| iot.printConfig(); | iot.printConfig(); | ||
| // Initialize IoT library | // Initialize IoT library | ||
| iot.setup(); | iot.setup(); | ||
| - | // Initialize buzzer pin | ||
| - | |||
| } | } | ||
| + | //Main code, which runs in loop | ||
| void loop() | void loop() | ||
| { | { | ||
| // IoT behind the plan work, it should be periodically called | // IoT behind the plan work, it should be periodically called | ||
| iot.handle(); | iot.handle(); | ||
| - | delay(200); | + | delay(200); |
| } | } | ||
| + | |||
| </ | </ | ||
