From 8873a7ce705bd1a7c08461c8df74c898cca62127 Mon Sep 17 00:00:00 2001
From: Klaus K Wilting <Klaus.K.Wilting@deutschebahn.com>
Date: Sat, 11 Aug 2018 21:47:51 +0200
Subject: [PATCH] cpu temp reduced to 8bit

---
 src/TTN/packed_decoder.js |  2 +-
 src/TTN/plain_decoder.js  | 10 +++++-----
 src/payload.cpp           |  8 ++------
 3 files changed, 8 insertions(+), 12 deletions(-)

diff --git a/src/TTN/packed_decoder.js b/src/TTN/packed_decoder.js
index 6bf29f09..21097634 100644
--- a/src/TTN/packed_decoder.js
+++ b/src/TTN/packed_decoder.js
@@ -18,7 +18,7 @@ function Decoder(bytes, port) {
 
     if (port === 2) {
         // device status data
-        return decode(bytes, [uint16, uptime, temperature, uint32], ['voltage', 'uptime', 'cputemp', 'memory']);
+        return decode(bytes, [uint16, uptime, uint8, uint32], ['voltage', 'uptime', 'cputemp', 'memory']);
     }
 
 
diff --git a/src/TTN/plain_decoder.js b/src/TTN/plain_decoder.js
index 32850474..ba674d35 100644
--- a/src/TTN/plain_decoder.js
+++ b/src/TTN/plain_decoder.js
@@ -13,7 +13,7 @@ function Decoder(bytes, port) {
     if (bytes.length > 4) {
       decoded.latitude = ((bytes[i++] << 24) | (bytes[i++] << 16) | (bytes[i++] << 8) | bytes[i++]);
       decoded.longitude = ((bytes[i++] << 24) | (bytes[i++] << 16) | (bytes[i++] << 8) | bytes[i++]);
-      decoded.sats = (bytes[i++]);
+      decoded.sats = bytes[i++];
       decoded.hdop = (bytes[i++] << 8) | (bytes[i++]);
       decoded.altitude = (bytes[i++] << 8) | (bytes[i++]);
     }
@@ -24,18 +24,18 @@ function Decoder(bytes, port) {
     decoded.battery = ((bytes[i++] << 8) | bytes[i++]);
     decoded.uptime = ((bytes[i++] << 56) | (bytes[i++] << 48) | (bytes[i++] << 40) | (bytes[i++] << 32) |
       (bytes[i++] << 24) | (bytes[i++] << 16) | (bytes[i++] << 8) | bytes[i++]);
-    decoded.temp = ((bytes[i++] << 24) | (bytes[i++] << 16) | (bytes[i++] << 8) | bytes[i++]);
+    decoded.temp = bytes[i++];
   }
 
   if (port === 5) {
     var i = 0;
-    decoded.button = (bytes[i++]);
+    decoded.button = bytes[i++];
   }
 
   if (port === 6) {
     var i = 0;
-    decoded.rssi = (bytes[i++]);
-    decoded.beacon = (bytes[i++]);
+    decoded.rssi = bytes[i++];
+    decoded.beacon = bytes[i++];
   }
 
   return decoded;
diff --git a/src/payload.cpp b/src/payload.cpp
index ab3d2c91..87334b83 100644
--- a/src/payload.cpp
+++ b/src/payload.cpp
@@ -54,7 +54,6 @@ void PayloadConvert::addConfig(configData_t value) {
 
 void PayloadConvert::addStatus(uint16_t voltage, uint64_t uptime,
                                float cputemp, uint32_t mem) {
-  uint32_t temp = (uint32_t)cputemp;
   buffer[cursor++] = highByte(voltage);
   buffer[cursor++] = lowByte(voltage);
   buffer[cursor++] = (byte)((uptime & 0xFF00000000000000) >> 56);
@@ -65,10 +64,7 @@ void PayloadConvert::addStatus(uint16_t voltage, uint64_t uptime,
   buffer[cursor++] = (byte)((uptime & 0x0000000000FF0000) >> 16);
   buffer[cursor++] = (byte)((uptime & 0x000000000000FF00) >> 8);
   buffer[cursor++] = (byte)((uptime & 0x00000000000000FF));
-  buffer[cursor++] = (byte)((temp & 0xFF000000) >> 24);
-  buffer[cursor++] = (byte)((temp & 0x00FF0000) >> 16);
-  buffer[cursor++] = (byte)((temp & 0x0000FF00) >> 8);
-  buffer[cursor++] = (byte)((temp & 0x000000FF));
+  buffer[cursor++] = (byte)(cputemp);
   buffer[cursor++] = (byte)((mem & 0xFF000000) >> 24);
   buffer[cursor++] = (byte)((mem & 0x00FF0000) >> 16);
   buffer[cursor++] = (byte)((mem & 0x0000FF00) >> 8);
@@ -131,7 +127,7 @@ void PayloadConvert::addStatus(uint16_t voltage, uint64_t uptime,
                                float cputemp, uint32_t mem) {
   writeUint16(voltage);
   writeUptime(uptime);
-  writeTemperature(cputemp);
+  writeUint8((byte)cputemp);
   writeUint32(mem);
 }