+ uint8_t data[20];
+ uint8_t size;
+
+ void shift(uint8_t iShiftBy)
+ {
+ if (iShiftBy >= size)
+ {
+ clear();
+ }
+ else
+ {
+ for (uint8_t iPtr = 0; iPtr < size; iPtr++)
+ data[iPtr] = (iPtr + iShiftBy < size) ? data[iPtr + iShiftBy] : 0;
+ size = (uint8_t) (size - iShiftBy);
+ }
+ }
+
+ void push_back(uint8_t add)
+ {
+ if (size < 20)
+ data[size++] = add;
+ }
+
+ void clear(void)
+ {
+ memset(data, 0, sizeof(data));
+ size = 0;
+ }
+ } cec_frame;