decimation working

python/test_cpi.py

@@ -45,9 +45,9 @@ def main():
     # CPI Parameters (timing values are in clk ticks)
     num_pulses = 128
     # Should be multiple of udp packet size, currently 4096 bytes, or 1024 samples
-    num_samples = 16384
+    num_samples = 4096
     start_sample = 2000
-    tx_num_samples = 1024
+    tx_num_samples = 4096
     tx_start_sample = start_sample
     prf = 8000
     pri = int(1/prf * clk)
@@ -57,11 +57,13 @@ def main():
     inter_cpi = 20000
     tx_lo_offset = 10e6
     rx_lo_offset = 0
-    test_duration = 60
+    dec_rate = 16
+    test_duration = 2
 
     pri_float = pri / clk
 
     print('PRI', pri_float, 'PRF', 1 / pri_float)
+    print('Sampling Duration (usec)', (tx_num_samples / radar_manager.BASEBAND_SAMPLE_RATE * dec_rate)/1e-6)
     print('Expected Data Rate', num_samples * 4 / pri_float / 1e6)
 
 
@@ -72,7 +74,8 @@ def main():
     recorder1.start_recording('test1.bin', True)
 
     radar.configure_cpi(pri, inter_cpi, num_pulses, num_samples, start_sample,
-                        tx_num_samples, tx_start_sample, rx_lo_offset, tx_lo_offset)
+                        tx_num_samples, tx_start_sample, rx_lo_offset, tx_lo_offset,
+                        dec_rate)
 
     print('Start Running')
     radar.start_running()