Version 0.5.1-20201221

CHANGELOG.md

@@ -4,7 +4,7 @@ This CHANGELOG file should help that the library becomes a standardized open sou
 The format is based on [Keep a Changelog](http://keepachangelog.com/en/1.0.0/)
 and this project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.html).
 
-## [Unreleased] - 2020-12-14
+## [Unreleased] - 2020-12-21
 
 ### Added
 - Low Level funtion LogoClient::ReadBlock
@@ -19,6 +19,7 @@ and this project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.
 ### Fixed
 - GetOrderCode: Support of 0BA6.ES10
 - StreamConnect: Clearing serial buffer for Reconnection
+- ReadArea: VM Mapping (correct access to the program space)
 
 ## [0.5.1] - 2018-09-18
 ### Added

src/LogoPG.cpp

@@ -536,7 +536,8 @@ int LogoClient::ReadArea(int Area, word DBNumber, word Start, word Amount, void
     SizeRequested = NumElements * WordSize;
     while (SizeRequested-- > 0)
     {
-      byte val = PDU.DATA[Mapping[Address++]];
+      // byte val = PDU.DATA[Mapping[Address++]]
+      byte val = PDU.DATA[pgm_read_byte_near(Mapping + Address++)];
       if (val != 0xFF)
         Target[Offset++] = val;
     }
@@ -1219,8 +1220,10 @@ int LogoClient::RecvPacket(byte buf[], size_t Size)
 
     // The next line will also notice a rollover after about 50 days.
     // https://playground.arduino.cc/Code/TimingRollover
-    if (millis() - Elapsed > RecvTimeout)
+    if (millis() - Elapsed > RecvTimeout) {
+      Log.warning(F("Timeout > %d" CR), RecvTimeout);
       break; // Timeout
+    }
   }
 
   // Here we are in timeout zone, if there's something into the buffer, it must be discarded.