54 lines
1.6 KiB
Python
54 lines
1.6 KiB
Python
import SoapySDR
|
|
import numpy as np
|
|
import gc
|
|
|
|
from noptica import *
|
|
|
|
|
|
def main():
|
|
# For this PoC code, a small memory leak is less harmful than random overflows.
|
|
gc.disable()
|
|
|
|
freq_sample = 5e6
|
|
freq_base = 1086e6
|
|
bufsize = 4096
|
|
|
|
induction = InductionHeater("/dev/ttyUSB0", 350e3, 445e3)
|
|
induction.start()
|
|
try:
|
|
stabilizer = Stabilizer(freq_sample, 0.4, 1088.1e6 - freq_base, 50e-6, induction)
|
|
position_tracker = PositionTracker(int(0.1*freq_sample/bufsize))
|
|
|
|
sdr = SoapySDR.Device()
|
|
for channel in range(2):
|
|
sdr.setSampleRate(SoapySDR.SOAPY_SDR_RX, channel, freq_sample)
|
|
sdr.setFrequency(SoapySDR.SOAPY_SDR_RX, channel, freq_base)
|
|
|
|
buf_sdr = BufferedSDR(sdr, [0, 1], bufsize, 256)
|
|
buf_sdr.start()
|
|
try:
|
|
stabilizer_throttle = 0
|
|
while True:
|
|
buffers = buf_sdr.get()
|
|
try:
|
|
samples_ref, samples_meas = buffers
|
|
|
|
# We can't update faster than the MHS5200A serial interface
|
|
stabilizer_throttle += 1
|
|
if stabilizer_throttle == 40:
|
|
stabilizer.input(samples_ref)
|
|
stabilizer_throttle = 0
|
|
|
|
position, leakage = position_tracker.input(samples_ref, samples_meas)
|
|
print(np.sum(position)/len(position), leakage)
|
|
finally:
|
|
buf_sdr.dispose(buffers)
|
|
finally:
|
|
buf_sdr.stop()
|
|
finally:
|
|
induction.stop()
|
|
|
|
|
|
if __name__ == "__main__":
|
|
main()
|