fixed pinout, made some updates for discrete timing pulses, needs to be tested

python/radar_manager.py

@@ -17,6 +17,10 @@ WAVEFORM_GEN_ADDR = 0x40053000
 
 NUM_RX = 2
 
+
+ADC_SAMPLE_RATE = 187.5e6
+DAC_SAMPLE_RATE = 187.5e6
+
 def form_chirp(pulsewidth, bw, sample_rate, win=None, ):
 
     n = int(np.round(pulsewidth * sample_rate))
@@ -248,10 +252,18 @@ class RadarManager:
             self.axi_write_register(DIG_RX_ADDR + i*DIG_RX_STRIDE + 0x4, num_samples >> 2)
             self.axi_write_register(DIG_RX_ADDR + i*DIG_RX_STRIDE + 0x8, start_sample >> 2)
 
+            # Setup RX Strobe
+            self.axi_write_register(TIMING_ENGINE_ADDR + 0x88 + i * 8, start_sample)
+            self.axi_write_register(TIMING_ENGINE_ADDR + 0x8C + i * 8, num_samples)
+
     def setup_tx(self, num_samples, start_sample):
         self.axi_write_register(WAVEFORM_GEN_ADDR + 0x4, num_samples >> 2)
         self.axi_write_register(WAVEFORM_GEN_ADDR + 0x8, start_sample >> 2)
 
+        # Setup TX Strobe
+        self.axi_write_register(TIMING_ENGINE_ADDR + 0x80, start_sample)
+        self.axi_write_register(TIMING_ENGINE_ADDR + 0x84, num_samples)
+
     def start_running(self):
         for i in range(NUM_RX):
             self.axi_write_register(DIG_RX_ADDR + i*DIG_RX_STRIDE + 0x0, 0)  # RX Reset
@@ -285,7 +297,6 @@ class RadarManager:
 
         # DAC at 5.25 GHz is in second nyquist
         # ADC would be in 3rd nyquist
-        lo = 5.25e9
         f_dac = 9e9
         f_adc = 3e9
         tx_lo = 5.25e9 % f_dac