- // Send only 7 most significant bits of tag signal (signed), LSB is reader signal:
- corr_i_out <= {corr_i_accum[13:7], after_hysteresis_prev_prev};
- corr_q_out <= {corr_q_accum[13:7], after_hysteresis_prev};
+ // Send 7 most significant bits of tag signal (signed), plus 1 bit reader signal
+ if (corr_i_accum[13:11] == 3'b000 || corr_i_accum[13:11] == 3'b111)
+ corr_i_out <= {corr_i_accum[11:5], after_hysteresis_prev_prev};
+ else // truncate to maximum value
+ if (corr_i_accum[13] == 1'b0)
+ corr_i_out <= {7'b0111111, after_hysteresis_prev_prev};
+ else
+ corr_i_out <= {7'b1000000, after_hysteresis_prev_prev};
+ if (corr_q_accum[13:11] == 3'b000 || corr_q_accum[13:11] == 3'b111)
+ corr_q_out <= {corr_q_accum[11:5], after_hysteresis_prev};
+ else // truncate to maximum value
+ if (corr_q_accum[13] == 1'b0)
+ corr_q_out <= {7'b0111111, after_hysteresis_prev};
+ else
+ corr_q_out <= {7'b1000000, after_hysteresis_prev};