upload with drone pipeline, add json examples

gateway/.drone.yml

@@ -0,0 +1,26 @@
+---
+kind: pipeline
+type: exec
+name: upload gateway firmare
+
+platform:
+  os: linux
+  arch: arm
+
+steps:
+- name: build
+  commands:
+  - pio run -e pro-mini
+
+- name: upload
+  commands:
+  - pio run -e pro-mini -t upload
+
+trigger:
+  branch:
+  - gateway
+  target:
+  - production
+
+node:
+  host: homebox

gateway/README.md

@@ -6,4 +6,52 @@ It also supports receiving commands from the same protocol.
 It acts as a serial gateway and it is connected to a Raspberry Pi running Home assistant.
 
 It uses an Arduino Pro Mini 5v 16 Mhz.
-The original bootloader has been replaced with Optiboot using this tutorial: https://andreasrohner.at/posts/Electronics/How-to-make-the-Watchdog-Timer-work-on-an-Arduino-Pro-Mini-by-replacing-the-bootloader/
+The original bootloader has been replaced with Optiboot using this tutorial: https://andreasrohner.at/posts/Electronics/How-to-make-the-Watchdog-Timer-work-on-an-Arduino-Pro-Mini-by-replacing-the-bootloader/
+
+## Read sensors
+### DHT
+```
+{
+  "dht11": {
+    "temperature": 31.9,
+    "humidity": 45
+  }
+}
+```
+### RC Switch
+#### on
+```
+[
+  {
+    "rcSwitch": {
+      "protocol": 1,
+      "group": "00001",
+      "channel": 1,
+      "state": true
+    }
+  }
+]
+```
+#### off
+```
+[
+  {
+    "rcSwitch": {
+      "protocol": 1,
+      "group": "00001",
+      "channel": 1,
+      "state": false
+    }
+  }
+]
+```
+```
+[
+  {
+    "rcSwitch": {
+      "protocol": 2,
+      "value": "10011110000000000001110101111001"
+    }
+  }
+]
+```

gateway/platformio.ini

@@ -8,10 +8,9 @@
 ; Please visit documentation for the other options and examples
 ; https://docs.platformio.org/page/projectconf.html
 
-[env:uno]
+[env:pro-mini]
 platform = atmelavr
-board = uno
-board_build.mcu = atmega328p
+board = pro16MHzatmega328
 framework = arduino
 lib_deps = 
 	sui77/rc-switch@^2.6.3

gateway/src/gateway.cpp

@@ -11,8 +11,7 @@
 
 #define READ_INTERVAL(c) (c*60*1000UL)	// read interval in minutes
 
-const unsigned long readInterval = READ_INTERVAL(5);
-unsigned long lastReadTime = -READ_INTERVAL(10);
+unsigned long currentTime = 0;
 
 RCSwitch mySwitch = RCSwitch();
 DHT dht = DHT(DHT11_PIN, DHT11);
@@ -38,6 +37,7 @@ void setup() {
 }
 
 void loop() {
+	currentTime = millis();
 	StaticJsonDocument<200> jsonDoc;
 	readCommand();
 	readRcSwitch(jsonDoc);
@@ -126,9 +126,9 @@ void readCommand() {
 }
 
 void readDht(JsonDocument& jsonDoc) {
-	unsigned long currentTime = millis();
-	if ((currentTime - lastReadTime) > readInterval) {
-		lastReadTime = currentTime;
+	static unsigned long lastReadTime = 0;
+	if (currentTime > lastReadTime) {
+		lastReadTime = currentTime + READ_INTERVAL(5);
 		JsonObject dht11 = jsonDoc.createNestedObject("dht11");
 		dht11["temperature"] = dht.readTemperature();
 		dht11["humidity"] = dht.readHumidity();