add doorbell protocol

gateway/include/Protocol_Doorbell.h

@@ -0,0 +1,64 @@
+#pragma once
+#include "Protocol.h"
+
+#define BIT_LENGTH 40
+#define BIT_LENGTH_3 BIT_LENGTH*3
+#define TX_DELAY 620
+
+class Protocol_Doorbell : public Protocol {
+
+public:
+    Protocol_Doorbell() : Protocol(16) {}
+
+    void ring() {
+        preamble();
+        for (int i = 0; i < 7; i++) {
+            delayMicroseconds(TX_DELAY);
+            code("00000000110100101000100");
+        }
+    }
+
+    void fromJson(JsonObjectConst& rcSwitch, RCSwitch& rcDevice) override {
+    }
+
+    void toJson(unsigned long value, JsonDocument& jsonDoc) override {
+    }
+
+private:
+    void transmitBit(uint8_t value) {
+        digitalWrite(SEND_PIN, value);
+        delayMicroseconds(BIT_LENGTH);
+        digitalWrite(SEND_PIN, LOW);
+    }
+
+    void transmitHigh() {
+        digitalWrite(SEND_PIN, HIGH);
+        delayMicroseconds(BIT_LENGTH_3);
+        digitalWrite(SEND_PIN, LOW);
+        delayMicroseconds(BIT_LENGTH);
+    }
+
+    void transmitLow() {
+        digitalWrite(SEND_PIN, HIGH);
+        delayMicroseconds(BIT_LENGTH);
+        digitalWrite(SEND_PIN, LOW);
+        delayMicroseconds(BIT_LENGTH_3);
+    }
+
+    void preamble() {
+        noInterrupts();
+        for (int i = 0; i < 370; i++) {
+            transmitBit(HIGH);
+            transmitBit(LOW);
+        }
+        interrupts();
+    }
+
+    void code(const char* value) {
+        noInterrupts();
+        for (const char* p = value; *p; p++) {
+            *p == '1' ? transmitHigh() : transmitLow();
+        }
+        interrupts();
+    }
+} doorbell;

gateway/include/devices.h

@@ -101,6 +101,19 @@ Command* commands[] = {
             if (strcmp("PRESS", msg) == 0) ESP.restart();
         }
     }).asDevice(gatewayDevice).build(),
+    Builder<Button>::instance(new Button{"Front door", "doorbell_front",
+        [](const char* msg) {
+            if (strcmp("PRESS", msg) == 0) doorbell.ring();
+        }
+    })
+    .asDevice(
+        DeviceConfig::create("doorbell")
+        ->withName("Doorbell")
+        ->withManufacturer("Thomson")
+        ->withModel("Kinetic Halo")
+        ->withParent(gatewayDevice)
+        )
+    .build(),
     (new EasyHomeSwitch{"FritzBox", "easy_home_a", (unsigned long[4]) { 4483136, 4626800, 4661552, 4819632 }, (unsigned long[4]) { 4326544, 4537104, 4767520, 4972704 }, "Basement"})->withStateTopic(),
     (new EasyHomeSwitch{"Outside", "easy_home_b", (unsigned long[4]) { 4483140, 4626804, 4661556, 4819636 }, (unsigned long[4]) { 4326548, 4537108, 4767524, 4972708 }, "Basement"})->withStateTopic(),
     (new PollinSwitch{"Meeting sensor", "00001", 1, "Dining room"})->withStateTopic(),

gateway/src/gateway.cpp

@@ -5,6 +5,7 @@
 #include "Dht.h"
 #include "Protocol_1.h"
 #include "Protocol_2.h"
+#include "Protocol_Doorbell.h"
 
 RCSwitch mySwitch;
 SerialReader<200> serialReader;
@@ -36,6 +37,8 @@ Protocol* findProtocol(unsigned int protocol) {
 		return new Protocol_1();
 	case 2:
 		return new Protocol_2();
+	case 16:
+		return new Protocol_Doorbell();
 	default:
 		return new Protocol(protocol);
 	}