From c63132ebe08e497c85b8b8496bb45672c06c7adf Mon Sep 17 00:00:00 2001
From: Stefan Brand <seiichiro@seiichiro0185.org>
Date: Mon, 29 Mar 2021 17:44:55 +0200
Subject: [PATCH] Small Fix for Helper Functions

---
 include/attsensor.h         | 6 +++++-
 lib/MHZ19C/MHZ19C.cpp       | 2 +-
 lib/SENSAIRS8/SENSAIRS8.cpp | 2 +-
 lib/SG112A/SG112A.cpp       | 2 +-
 4 files changed, 8 insertions(+), 4 deletions(-)

diff --git a/include/attsensor.h b/include/attsensor.h
index f62f2cb..dc46e72 100644
--- a/include/attsensor.h
+++ b/include/attsensor.h
@@ -40,7 +40,7 @@ class AttSensor  {
     // Return the number of Bytes added to the Payload
     virtual uint8_t numBytes(void) = 0;
 
-   // Helper Functions to Put Values Into the Payload Array
+    // Helper Functions to Put Values Into the Payload Array
     static void int32ToPayload(int32_t value, char *payload, uint8_t startbyte) {
       payload[startbyte]   = (value) & 0XFF;
       payload[startbyte+1] = (value >> 8) & 0XFF;
@@ -51,6 +51,10 @@ class AttSensor  {
       payload[startbyte]   = (value) & 0XFF;
       payload[startbyte+1] = (value >> 8) & 0XFF;
     }
+    static void uint16ToPayload(uint16_t value, char *payload, uint8_t startbyte) {
+      payload[startbyte]   = (value) & 0XFF;
+      payload[startbyte+1] = (value >> 8) & 0XFF;
+    }
 };
 
 #endif
\ No newline at end of file
diff --git a/lib/MHZ19C/MHZ19C.cpp b/lib/MHZ19C/MHZ19C.cpp
index f8d60b1..00801ac 100644
--- a/lib/MHZ19C/MHZ19C.cpp
+++ b/lib/MHZ19C/MHZ19C.cpp
@@ -51,7 +51,7 @@ uint8_t MHZ19C::getSensorData(char * payload, uint8_t startbyte) {
     if (readBytes > 0) {
         switch(buffer[1]) {
             case 0x86:
-              int16ToPayload((buffer[2]*256) + buffer[3], payload, startbyte);
+              uint16ToPayload((buffer[2]*256) + buffer[3], payload, startbyte);
               break;
         }
     }
diff --git a/lib/SENSAIRS8/SENSAIRS8.cpp b/lib/SENSAIRS8/SENSAIRS8.cpp
index ba8e38d..03e739a 100644
--- a/lib/SENSAIRS8/SENSAIRS8.cpp
+++ b/lib/SENSAIRS8/SENSAIRS8.cpp
@@ -44,7 +44,7 @@ uint8_t SENSAIRS8::getSensorData(char *payload, uint8_t startbyte) {
   payload[startbyte]   = 0x00;
   payload[startbyte+1] = 0x00;
   if (readBytes > 0) {
-    int16ToPayload((buffer[3]*256) + buffer[4], payload, startbyte);
+    uint16ToPayload((buffer[3]*256) + buffer[4], payload, startbyte);
   }
   return startbyte+2;
 }
diff --git a/lib/SG112A/SG112A.cpp b/lib/SG112A/SG112A.cpp
index bfbab90..9b6590c 100644
--- a/lib/SG112A/SG112A.cpp
+++ b/lib/SG112A/SG112A.cpp
@@ -44,7 +44,7 @@ uint8_t SG112A::getSensorData(char *payload, uint8_t startbyte) {
     if (readBytes > 0) {
         switch(buffer[2]) {
             case 0x15:
-              int16ToPayload((buffer[3]*256) + buffer[4], payload, startbyte);
+              uint16ToPayload((buffer[3]*256) + buffer[4], payload, startbyte);
               break;
         }
     }