marklin_can: added Ping reply message

see #11

server/src/hardware/protocol/marklincan/messages.cpp

@@ -251,6 +251,14 @@ std::string toString(const Message& message)
 
     case Command::Ping:
       s.append("Ping");
+      if(message.dlc == 8)
+      {
+        const auto& pingReply = static_cast<const PingReply&>(message);
+        s.append(" ").append(UID::toString(pingReply.uid()));
+        s.append(" software_version=").append(std::to_string(pingReply.softwareVersionMajor())).append(".").append(std::to_string(pingReply.softwareVersionMinor()));
+        s.append(" device_id=0x").append(toHex(static_cast<uint16_t>(pingReply.deviceId())));
+        s.append(" (").append(toString(pingReply.deviceId())).append(")");
+      }
       break;
 
     case Command::Update:
@@ -295,4 +303,30 @@ std::string toString(const Message& message)
   return s;
 }
 
+std::string_view toString(MarklinCAN::DeviceId value)
+{
+  switch(value)
+  {
+    case DeviceId::GleisFormatProzessorOrBooster:
+      return "Gleis Format Prozessor 60213,60214 / Booster 60173, 60174";
+
+    case DeviceId::Gleisbox:
+      return "Gleisbox 60112 und 60113";
+
+    case DeviceId::Connect6021:
+      return "Connect 6021 Art-Nr.60128";
+
+    case DeviceId::MS2:
+      return "MS 2 60653, Txxxxx";
+
+    case DeviceId::WirelessDevices:
+      return "Wireless Devices";
+
+    case DeviceId::CS2GUI:
+      return "CS2-GUI (Master)";
+  }
+  assert(false);
+  return {};
+}
+
 }

server/src/hardware/protocol/marklincan/messages.hpp

@@ -83,6 +83,16 @@ enum class SystemSubCommand : uint8_t
   ModelClock = 0x20,
 };
 
+enum class DeviceId : uint16_t
+{
+  GleisFormatProzessorOrBooster= 0x0000, //!< Gleis Format Prozessor 60213,60214 / Booster 60173, 60174
+  Gleisbox = 0x0010, //!< Gleisbox 60112 und 60113
+  Connect6021 = 0x0020, //!< Connect 6021 Art-Nr.60128
+  MS2 = 0x0030, //!< MS 2 60653, Txxxxx
+  WirelessDevices = 0xFFE0, //!< Wireless Devices
+  CS2GUI = 0xFFFF //!< CS2-GUI (Master)
+};
+
 struct Message
 {
   static constexpr uint32_t responseMask = 0x00010000;
@@ -638,6 +648,52 @@ struct FeedbackState : FeedbackMessage
   }
 };
 
+struct Ping : Message
+{
+  Ping()
+    : Message(Command::Ping, false)
+  {
+  }
+};
+
+struct PingReply : UidMessage
+{
+  PingReply(uint32_t uid)
+    : UidMessage(Command::Ping, true, uid)
+  {
+    dlc = 8;
+  }
+
+  uint8_t softwareVersionMajor() const
+  {
+    return data[4];
+  }
+
+  uint8_t softwareVersionMinor() const
+  {
+    return data[5];
+  }
+
+  void setSoftwareVersion(uint8_t major, uint8_t minor)
+  {
+    data[4] = major;
+    data[5] = minor;
+  }
+
+  DeviceId deviceId() const
+  {
+    return static_cast<DeviceId>(to16(data[7], data[6]));
+  }
+
+  void setDeviceId(DeviceId value)
+  {
+    data[6] = high8(static_cast<uint16_t>(value));
+    data[7] = low8(static_cast<uint16_t>(value));
+  }
+};
+
+std::string_view toString(MarklinCAN::DeviceId value);
+
 }
 
 #endif