update

mission/devices/ScexDeviceHandler.cpp

@@ -8,6 +8,7 @@
 
 #include "fsfw/globalfunctions/CRC.h"
 #include "mission/devices/devicedefinitions/ScexDefinitions.h"
+#include <random>
 
 using std::ofstream;
 
@@ -47,7 +48,7 @@ ReturnValue_t ScexDeviceHandler::buildCommandFromCommand(DeviceCommandId_t devic
 
   switch (deviceCommand) {
     case (PING): {
-      rawPacket = cmdBuf.data();
+      //rawPacket = cmdBuf.data();
       prepareScexCmd(cmdTyped, commandData[0], {cmdBuf.data(), cmdBuf.size()}, rawPacketLen,
                      {nullptr, 0});
       return RETURN_OK;
@@ -220,4 +221,23 @@ ReturnValue_t ScexDeviceHandler::initializeLocalDataPool(localpool::DataPool& lo
   return RETURN_OK;
 }
 
+std::string ScexDeviceHandler::random_string(std::string::size_type length) {
+  static auto& chrs =
+      "0123456789"
+      "abcdefghijklmnopqrstuvwxyz"
+      "ABCDEFGHIJKLMNOPQRSTUVWXYZ";
+
+  thread_local static std::mt19937 rg{std::random_device{}()};
+  thread_local static std::uniform_int_distribution<std::string::size_type> pick(0,
+                                                                                 sizeof(chrs) - 2);
+
+  std::string s;
+
+  s.reserve(length);
+
+  while (length--) s += chrs[pick(rg)];
+
+  return s;
+}
+
 void ScexDeviceHandler::modeChanged() {}