channel carries board info

channel.h

@@ -5,6 +5,7 @@
 #include <cstdlib>
 
 class Channel {
+   uint32_t board_id;
    uint32_t id;
    uint32_t size;
    uint32_t version;
@@ -16,6 +17,7 @@ class Channel {
    bool valid;
    public:
    Channel(char const * ptr, size_t len);
+   Channel(char const * ptr, size_t len, uint32_t board);
    void Print();
 
 };