* acquisition of T55x7 LF signal. Similart to other LF, but adjusted with @marshmellows thresholds
* the data is collected in BigBuf.
**/
-void doT55x7Acquisition(void);
+void doT55x7Acquisition(size_t sample_size);
/**
* Initializes the FPGA for reader-mode (field on), and acquires the samples.