print('A: process debug data')
print('M: QAM Modem')
print('X: Exit')
print('>> ')
while True:
if msvcrt.kbhit():
c = msvcrt.getch().decode("utf-8")
print(c)
c = c.lower()
if c == 'a': ## Qam16 modem
payload = (np.random.rand(100) * 256).astype(np.uint8)
txBaseband = QAM.modulation(payload,
QAM.Constant.ModulationType.QAM16)
#plt.plot(txBaseband.real, txBaseband.imag, 'bo')
#plt.grid()
#plt.show()
tx_upsampled = rf.UpSampling(txBaseband, 5 / 100, 100)
tx_mixer = rf.Mixer(tx_upsampled, 30 / 100, np.pi / 4)
tx_sig = tx_mixer.real + rf.WhiteNoise(tx_mixer, 50)
#sp.fftPlot(txBaseband.real, txBaseband.imag, n=2)
#sp.fftPlot(tx_upsampled.real, tx_upsampled.imag, n=2)
#sp.fftPlot(tx_mixer.real, tx_mixer.imag, n=2)
#sp.fftPlot(tx_sig.real)
rx_mixer = rf.Mixer(tx_sig, -30 / 100, -1 * np.pi / 4)
b = signal.remez(100 + 1, [0, .1, 0.2, 0.5], [1, 1e-4])
