Fixed memory bug in CP detection

lte/examples/cell_measurement.c

@@ -49,7 +49,7 @@ float gain_offset = B210_DEFAULT_GAIN_CORREC;
 cell_detect_cfg_t cell_detect_config = {
   500, // nof_frames_total 
   50,  // nof_frames_detected
-  CS_FIND_THRESHOLD // threshold
+  0.4 // threshold
 };
 
 /**********************************************************************

lte/phy/lib/sync/src/sync.c

@@ -199,7 +199,7 @@ int sync_sss(sync_t *q, cf_t *input, uint32_t peak_pos) {
   sss_synch_set_N_id_2(&q->sss, q->N_id_2);
 
   if (q->detect_cp) {
-    if (peak_pos - q->fft_size - CP_EXT(q->fft_size)) {
+    if (peak_pos - q->fft_size - CP_EXT(q->fft_size) > 0) {
       q->cp = detect_cp(q, input, peak_pos);
     } else {
       INFO("Not enough room to detect CP length. Peak position: %d\n", peak_pos);