diff options
Diffstat (limited to 'python/dpd')
| -rw-r--r-- | python/dpd/Measure.py | 20 | ||||
| -rw-r--r-- | python/dpd/RX_Agc.py | 16 |
2 files changed, 32 insertions, 4 deletions
diff --git a/python/dpd/Measure.py b/python/dpd/Measure.py index eb3c199..e5a72c7 100644 --- a/python/dpd/Measure.py +++ b/python/dpd/Measure.py @@ -90,6 +90,26 @@ class Measure: return txframe, tx_ts, rxframe, rx_ts + def get_samples_unaligned(self, short=False): + """Connect to ODR-DabMod, retrieve TX and RX samples, load + into numpy arrays, and return a tuple + (txframe, tx_ts, rxframe, rx_ts, rx_median, tx_median) + """ + + n_samps = int(self.num_samples_to_request / 4) if short else self.num_samples_to_request + txframe, tx_ts, rxframe, rx_ts = self.receive_tcp(n_samps) + + # Normalize received signal with sent signal + rx_median = np.median(np.abs(rxframe)) + tx_median = np.median(np.abs(txframe)) + rxframe = rxframe / rx_median * tx_median + + + logging.info( + "Measurement done, tx %d %s, rx %d %s" % + (len(txframe), txframe.dtype, len(rxframe), rxframe.dtype)) + + return txframe, tx_ts, rxframe, rx_ts, rx_median, tx_median def get_samples(self, short=False): """Connect to ODR-DabMod, retrieve TX and RX samples, load diff --git a/python/dpd/RX_Agc.py b/python/dpd/RX_Agc.py index bca9643..4700e68 100644 --- a/python/dpd/RX_Agc.py +++ b/python/dpd/RX_Agc.py @@ -45,10 +45,15 @@ class Agc: self.peak_to_median = 1./c.RAGC_rx_median_target def run(self) -> Tuple[bool, str]: - self.adapt.set_rxgain(self.rxgain) + try: + self.adapt.set_rxgain(self.rxgain) + except ValueError as e: + return (False, "Setting RX gain to {} failed: {}".format(self.rxgain, e)) + time.sleep(0.5) + # Measure - txframe_aligned, tx_ts, rxframe_aligned, rx_ts, rx_median, tx_median = self.measure.get_samples(short=True) + txframe, tx_ts, rxframe, rx_ts, rx_median, tx_median = self.measure.get_samples_unaligned(short=False) # Estimate Maximum rx_peak = self.peak_to_median * rx_median @@ -70,9 +75,12 @@ class Agc: logging.warning(w) return (False, "\n".join([measurements, w])) else: - self.adapt.set_rxgain(self.rxgain) + try: + self.adapt.set_rxgain(self.rxgain) + except ValueError as e: + return (False, "Setting RX gain to {} failed: {}".format(self.rxgain, e)) time.sleep(0.5) - return (True, measurements) + return (True, measurements) def plot_estimates(self): """Plots the estimate of for Max, Median, Mean for different |