Add OTAError::ChecksumMismatch which occures then the expected checksum does not match with the actual checksum

Author: aentinger

extras/test/src/test_OTALogic.cpp

@@ -95,4 +95,9 @@ TEST_CASE("Invalid OTA data is received ", "[OTALogic - CRC wrong]")
   {
     REQUIRE(ota_logic.state() == OTAState::Error);
   }
+
+  THEN("The OTA error should be set to OTAError::ChecksumMismatch")
+  {
+    REQUIRE(ota_logic.error() == OTAError::ChecksumMismatch);
+  }
 }

src/utility/ota/OTALogic.cpp

@@ -195,6 +195,7 @@ OTAState OTALogic::handle_Verify()
     return OTAState::Reset;
   } else {
     _ota_storage.remove();
+    _ota_error = OTAError::ChecksumMismatch;
     return OTAState::Error;
   }
 }

src/utility/ota/OTALogic.h

@@ -43,7 +43,7 @@ enum class OTAState
 
 enum class OTAError
 {
-  None,
+  None, ChecksumMismatch
 };
 
 /******************************************************************************