def adjust_gain(zdok, inp, gain):
print(zdok, inp, gain)
katadc.rf_fe_set(fpga, zdok, inp, gain)
time.sleep(0.1)
print('ZDOK%d %s: ' % (zdok, inp)),
rf = katadc.rf_fe_get(fpga, zdok, inp)
print(rf)
update_plots(fpga, curves, hists, specs)
def on_rfgain_change(self, value):
widget_name = str(self.sender().objectName())
log.debug(widget_name + ' %.1f', value)
index = int(widget_name[-1])
input_names = ('I', 'Q')
if self.rfgain[index] != value:
katadc.rf_fe_set(self.fpga, self.unit, input_names[index], value)
log.info('set zdok%d-%s rf gain %f dB' % (self.unit, input_names[index], value))
self.rfgain[index] = value
print('Programming FPGA with %s ... ' % bitstream),
fpga.progdev(bitstream)
print('done')
if not args.view:
print('-' * 20)
katadc.chip_init(fpga, 0)
katadc.chip_init(fpga, 1)
print('-' * 20)
# Initialize all KatADC RF frontends
print('Initialize KatADC RF frontend ...')
for zdok in (0, 1):
for inp in ('I', 'Q'):
print('Enable RF frontend gain in zdok%d %s to %d' % (zdok, inp, rf_gain))
katadc.rf_fe_set(fpga, zdok, inp, rf_gain)
# rf = katadc.rf_fe_get(fpga, zdok, inp)
# if not rf['enabled']:
# print('Enable gain in zdok%d %s to %d' % (zdok, inp, 6))
# katadc.rf_fe_set(fpga, zdok, inp, 6)
print('done')
setup_registers(fpga, opts, 0x00)
init_gui()
print('Plot started.')
plot_anim()
# start the process
if not args.skip and not args.view:
print('Programming FPGA with %s ... ' % bitstream),
fpga.progdev(bitstream)
print('done')
if not args.view:
# Initialize all KatADC RF frontends
print('Initialize KatADC RF frontend ...')
for zdok in (0, 1):
for inp in ('I', 'Q'):
rf = katadc.rf_fe_get(fpga, zdok, inp)
if not rf['enabled']:
print('Enable gain in zdok%d %s to %d' %
(zdok, inp, 0))
katadc.rf_fe_set(fpga, zdok, inp, 0)
print('done')
for unit in ('u0', 'u1'):
print(
'Configuring spectrometer "%s" fft_shift, fft_shift=0x%X ... '
% (unit, opts.fftshift)),
fpga.write_int(unit + '_fft_shift', int(opts.fftshift))
print('done')
print(
'Configuring spectrometer "%s" scale coefficients, gain=0x%X ... '
% (unit, opts.gain)),
fpga.write_int(unit + '_gain',
opts.gain) # in 16_8-16_8 format
print('done')