示例#1
0
#!/usr/bin/env python

import sys
from pyrf.devices.thinkrf import WSA

# connect to wsa
dut = WSA()
dut.connect(sys.argv[1])

# setup test conditions
dut.reset()
dut.request_read_perm()
dut.freq(2450e6)

# capture 1 packet
dut.capture(1024, 1)

# read until I get 1 data packet
while not dut.eof():
    pkt = dut.read()

    if pkt.is_data_packet():
        break

# print I/Q data into i and q
for i, q in pkt.data:
    print "%d,%d" % (i, q)
示例#2
0
dut.reset()
dut.request_read_perm()
dut.flush()

dut.pll_reference('EXT')
dut.rfe_mode(RFE_MODE)
dut.freq(CENTER_FREQ)
dut.decimation(DECIMATION)

dut.spp(SPP)
dut.ppb(PPB)

dut.flush()
time.sleep(0.25)
dut.capture(SPP, PPB)

for i in range(PPB):
    data, context = collect_data_and_context(dut)
    print(data.data.__len__())

i = np.array([z[0] for z in data.data.numpy_array()], dtype=float)
q = np.array([z[1] for z in data.data.numpy_array()], dtype=float)
t = np.arange(0, len(i), 1) / 125e0

fig, axes = plt.subplots(2, 1, sharex=True)
axes[0].plot(t, 20 * np.log10((i * i + q * q) / 2**13 / len(i)))
axes[1].plot(t, np.arctan2(q, i))
plt.xlabel('time (us)')

# %%