Version 1.1

Added saving device ID to EEPROM.

README.md

@@ -1,6 +1,6 @@
 # RF open/close sensor
 
-Open/close sensor on ATmega168/328 + RF24.
+Open/close sensor on ATmega168/328 + nRF24.
 
 ## Features
 
@@ -11,27 +11,6 @@ Open/close sensor on ATmega168/328 + RF24.
 
 ## Note
 
-A gateway is required. For details see "RF Gateway".
+A gateway is required. For details see [RF Gateway](https://github.com/aZholtikov/RF-Gateway).
 
-## Full config example for Home Assistant
-
-```yml
-mqtt:
-  sensor:
-    - name: "NAME"
-      device_class: "voltage"
-      unit_of_measurement: "V"
-      state_topic: "homeassistant/rf_sensor/ID/open_close"
-      value_template: "{{ value_json.battery }}"
-      force_update: true
-      qos: 2
-  binary_sensor:
-    - name: "NAME"
-      device_class: "door"
-      state_topic: "homeassistant/rf_sensor/ID/open_close"
-      value_template: "{{ value_json.state }}"
-      payload_on: "OPEN"
-      payload_off: "CLOSE"
-      force_update: true
-      qos: 2
-```
+Any feedback via [e-mail](mailto:github@zh.com.ru) would be appreciated. Or... [Buy me a coffee](https://paypal.me/aZholtikov).

src/main.cpp

@@ -8,8 +8,7 @@
 
 void sendButtonStatus(void *pvParameters);
 float getBatteryLevelCharge(void);
-void loadConfig(void);
-void saveConfig(void);
+void loadId(void);
 
 int16_t id{abs((int16_t)ID)};
 
@@ -18,6 +17,8 @@ SemaphoreHandle_t buttonSemaphore;
 
 void setup()
 {
+  loadId();
+
   EICRA |= (1 << ISC00);
   EIMSK |= (1 << INT0);
   ADCSRA &= ~(1 << ADEN);
@@ -73,26 +74,19 @@ float getBatteryLevelCharge()
   while (bit_is_set(ADCSRA, ADSC))
     ;
   ADCSRA &= ~(1 << ADEN);
-  float value = ((1024 * 1.1) / (ADCL + ADCH * 256));
-  return value;
+  return (1024 * 1.1) / (ADCL + ADCH * 256);
 }
 
-void loadConfig()
+void loadId()
 {
   cli();
   if (EEPROM.read(511) == 254)
     EEPROM.get(0, id);
   else
-    saveConfig();
-  delay(50);
-  sei();
-}
-
-void saveConfig()
-{
-  cli();
-  EEPROM.write(511, 254);
-  EEPROM.put(0, id);
+  {
+    EEPROM.write(511, 254);
+    EEPROM.put(0, id);
+  }
   delay(50);
   sei();
 }