save before removing approach with rememberCommandId

mission/devices/devicedefinitions/SyrlinksDefinitions.h

@@ -24,6 +24,9 @@ namespace SYRLINKS {
 
     /** Size of a simple transmission success response */
     static const uint8_t REQUEST_STATUS_REPLY_SIZE = 11;
+    static const uint8_t SIZE_CRC_AND_TERMINATION = 5;
+    /** The size of the header with the message identifier and the payload size field */
+    static const uint8_t MESSAGE_HEADER_SIZE = 5;
     /** Size of reply to an rx status registers request */
     static const uint8_t RX_STATUS_REGISTERS_REPLY_SIZE = 39;