/* Uporabi z aplikacijo za android, dostopno na:
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*
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* https://play.google.com/store/apps/details?id=appinventor.ai_samo_penic.Geiger_counter_2020
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*
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* Poletni tabor inovativnih tehnologij
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*
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* Samo Penic, 2020
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*/
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#include "WiFi.h"
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#include <BLEDevice.h>
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#include <BLEServer.h>
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#include <BLEUtils.h>
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#include <BLE2902.h>
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#define BT_NAME "Geiger counter No. 1"
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#define LED 2
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#define GEIGER_INPUT 22
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BLECharacteristic *pCharacteristic;
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bool deviceConnected = false;
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uint8_t txString[5]={'R','E','S','P','\0'}; //20 bytes is maximum packet size for BTLE!!!
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int i;
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#define SERVICE_UUID "6E400001-B5A3-F393-E0A9-E50E24DCCA9E" // UART service UUID
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#define CHARACTERISTIC_UUID_RX "6E400002-B5A3-F393-E0A9-E50E24DCCA9E"
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#define CHARACTERISTIC_UUID_TX "6E400003-B5A3-F393-E0A9-E50E24DCCA9E"
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class MyServerCallbacks: public BLEServerCallbacks {
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void onConnect(BLEServer* pServer) {
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deviceConnected = true;
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};
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void onDisconnect(BLEServer* pServer) {
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deviceConnected = false;
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}
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};
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void IRAM_ATTR count_plus_one() {
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}
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void setup() {
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// setCpuFrequencyMhz(80);
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// adc_power_off();
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WiFi.mode(WIFI_OFF);
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Serial.begin(115200); /* Serijski vmesnik je vedno uporaben za razhroscevanje in raziskovanje med razvojem */
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// pinMode(GEIGER_INPUT, INPUT); /* Nastavimo vhodni signal -- napetostni impulzi, kot odraz tokovnih pulzov skozi Geiger-Mullerjevo elektronko */
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// attachInterrupt(GEIGER_INPUT, &count_plus_one, RISING); /* Ob impulzu zazenemo prekinitveno rutino. Tako optimalno prestejemo impulze */
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pinMode(LED, OUTPUT); /* Na ploscici imamo se eno modro LED. Morda jo kdaj uporabimo? */
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// Create the BLE Device
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BLEDevice::init(BT_NAME); /* Poimenujmo nas stevec. Ime se bo pokazalo na seznamu BT naprav na telefonu */
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// Create the BLE Server
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BLEServer *pServer = BLEDevice::createServer();
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pServer->setCallbacks(new MyServerCallbacks());
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// Create the BLE Service
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BLEService *pService = pServer->createService(SERVICE_UUID);
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// Create a BLE Characteristic
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pCharacteristic = pService->createCharacteristic(
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CHARACTERISTIC_UUID_TX,
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BLECharacteristic::PROPERTY_NOTIFY
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);
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pCharacteristic->addDescriptor(new BLE2902());
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// Start the service
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pService->start();
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// Start advertising
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pServer->getAdvertising()->start();
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}
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void loop() {
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if (deviceConnected) {
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pCharacteristic->setValue(txString,5);
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pCharacteristic->notify(); // Send the value to the app!
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}
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delay(99);
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}
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