From 662c9342585347ce5c95631800edee2de4cfe9dc Mon Sep 17 00:00:00 2001
From: Stefan Ostermann <stefan@ostermail.de>
Date: Sat, 10 Apr 2021 18:54:28 +0200
Subject: [PATCH] Cleanups

---
 esp-receiver/src/main.cpp | 26 ++++++++++++++++----------
 1 file changed, 16 insertions(+), 10 deletions(-)

diff --git a/esp-receiver/src/main.cpp b/esp-receiver/src/main.cpp
index 96bff75..4503cc5 100644
--- a/esp-receiver/src/main.cpp
+++ b/esp-receiver/src/main.cpp
@@ -1,7 +1,12 @@
 #include <Arduino.h>
+#include <RH_ASK.h>
 
-#define SERVER_ADDRESS 0x01
+/**
+ * Baud Rate for the 433 Mhz connection.
+ * Caution: Must be the same for sender & receiver!
+ **/
 #define RH_SPEED 1000
+
 #define RH_RX_PIN 11
 
 #define RH_BUF_LEN 5
@@ -9,8 +14,7 @@ uint8_t rh_buf[RH_BUF_LEN];
 
 #define RH_ASK_MAX_MESSAGE_LEN RH_BUF_LEN
 
-#include <RHDatagram.h>
-#include <RH_ASK.h>
+
 
 RH_ASK driver(RH_SPEED, RH_RX_PIN);
 
@@ -18,6 +22,9 @@ float t = 0;
 float h = 0;
 long bat = 0;
 
+/**
+ * Message identifier constants:
+ * */
 #define MSG_START 0x00
 #define MSG_TEMP 0x01
 #define MSG_HUMID 0x02
@@ -37,32 +44,31 @@ void loop() {
 
     uint8_t len = sizeof(rh_buf);
     if (driver.recv(rh_buf, &len)) {
-      Serial.println("got message: ");
       switch (rh_buf[0]) {
         case MSG_START:
           // start message
           Serial.println("0x00 start byte");    
           break;
         case MSG_TEMP:
-          // DHT data
-          Serial.println("0x01 DHT data");
+          // DHT Temperature
+          Serial.println("0x01 DHT Temp");
           memcpy(&t, &rh_buf[1], 4);
           Serial.print(t);
-          Serial.print("°C - ");
+          Serial.println(" °C");
           break;
         case MSG_HUMID:
-          // battery data
+          // DHT Humidity:
           Serial.println("0x02 DHT Humidity");
           memcpy(&t, &rh_buf[1], 4);
           Serial.print(t);
-          Serial.print("%");
+          Serial.println(" %");
           break;
         case MSG_BAT:
           // battery data
           Serial.println("0x03 Battery");
           memcpy(&bat, &rh_buf[1], 4);
           Serial.print(bat);
-          Serial.print("mV");
+          Serial.println(" mV");
           break;          
         case MSG_ERR:
           // error