def perform_noise_test(plotname, fignum):
fignum = fignum + 1
info = str(fignum).zfill(2) + '___' + plotname
plotname = info + '.png'
# sample noise
nmrObj.noise(samp_freq, samples)
# process the data
if en_remote_computing: # copy remote files to local directory
cp_rmt_file(nmrObj.scp, nmrObj.server_data_folder,
nmrObj.client_data_folder, "current_folder.txt")
meas_folder = parse_simple_info(data_folder, 'current_folder.txt')
if en_remote_computing: # copy remote folder to local directory
cp_rmt_folder(nmrObj.scp, nmrObj.server_data_folder,
nmrObj.client_data_folder, meas_folder[0])
exec_rmt_ssh_cmd_in_datadir(
nmrObj.ssh, "rm -rf " + meas_folder[0],
nmrObj.server_data_folder) # delete the file in the server
# nstd, nmean = compute_stats( min_freq, max_freq, data_folder, meas_folder[0], plotname, en_fig ) # real scan
nstd, nmean = compute_in_bw_noise(conf.meas_bw_kHz, conf.Df_MHz, min_freq,
max_freq, data_folder, meas_folder[0],
plotname, en_fig)
f.write("std: %08.3f\tmean: %08.3f \t-> %s\n" % (nstd, nmean, info))
shutil.move(data_folder + '/' + meas_folder[0],
swfolder + '/' + info) # move the data folder
shutil.move(swfolder + '/' + info + '/' + plotname,
swfolder + '/' + plotname) # move the data folder
return fignum
def analyze(nmrObj, tuning_freq, sta_freq, sto_freq, spac_freq, samp_freq,
fftpts, fftcmd, fftvalsub, continuous, en_fig):
timeObj = time_meas(False)
fig_num = 1
while True:
Vbias, Vvarac = find_Vbias_Vvarac_from_table(nmrObj.client_path,
tuning_freq,
nmrObj.S21_table)
nmrObj.setPreampTuning(Vbias, Vvarac)
Cpar, Cser = find_Cpar_Cser_from_table(nmrObj.client_path, tuning_freq,
nmrObj.S11_table)
# nmrObj.setMatchingNetwork( Cpar, Cser )
timeObj.setTimeSta()
# nmrObj.pamp_char_async ( sta_freq, sto_freq, spac_freq, samp_freq )
nmrObj.pamp_char_sync(sta_freq, sto_freq, spac_freq, fftpts, fftcmd,
fftvalsub)
timeObj.setTimeSto()
timeObj.reportTimeRel("pamp_char_sync")
timeObj.setTimeSta()
if nmrObj.en_remote_computing: # copy remote files to local directory
cp_rmt_file(nmrObj.scp, nmrObj.server_data_folder,
nmrObj.client_data_folder, "current_folder.txt")
meas_folder = parse_simple_info(nmrObj.data_folder,
'current_folder.txt')
if nmrObj.en_remote_computing: # copy remote folder to local directory
cp_rmt_folder(nmrObj.scp, nmrObj.server_data_folder,
nmrObj.client_data_folder, meas_folder[0])
exec_rmt_ssh_cmd_in_datadir(
nmrObj.ssh, "rm -rf " + meas_folder[0],
nmrObj.server_data_folder) # delete the file in the server
# maxS21, maxS21_freq, _ = compute_gain_async( nmrObj, data_folder, meas_folder[0], en_fig, fig_num )
# maxS21, maxS21_freq, _ = compute_gain_sync( nmrObj, nmrObj.data_folder, meas_folder[0], en_fig, fig_num )
maxS21, maxS21_freq, _ = compute_gain_fft_sync(nmrObj,
nmrObj.data_folder,
meas_folder[0], en_fig,
fig_num)
# print( 'maxS21={0:0.2f} maxS21_freq={1:0.2f}'.format( maxS21, maxS21_freq ) )
print(
'maxS21=%0.2f maxS21_freq=%0.2f Vbias=%0.2fV Vvarac=%0.2fV Cpar=%d Cser=%d'
% (maxS21, maxS21_freq, Vbias, Vvarac, Cpar, Cser))
timeObj.setTimeSto()
timeObj.reportTimeRel("processing time")
if (not continuous):
break
def analyze( nmrObj, extSet, cparVal, cserVal, freqSta, freqSto, freqSpa, freqSamp , fftpts, fftcmd, ftvalsub, S11mV_ref, useRef , en_fig ):
# useRef: use the pregenerated S11mV_ref as a reference to compute
# reflection. If this option is 0, then the compute_wobble will instead
# generated S11 in mV format instead of dB format
fig_num = 1
# change matching network values (twice because sometimes it doesnt' work
# once due to transient
if ( not extSet ): # if extSet is used, matching network should be programmed from external source (e.g. C executable), otherwise set the value from here
nmrObj.setMatchingNetwork( cparVal, cserVal )
# nmrObj.setMatchingNetwork( cparVal, cserVal )
timeObj = time_meas( False )
timeObj.setTimeSta()
# do measurement
if (wobble_mode == 0 or wobble_mode == 1):
nmrObj.wobble_sync( freqSta, freqSto, freqSpa , fftpts, fftcmd, ftvalsub )
elif (wobble_mode == 2):
nmrObj.wobble_async( freqSta, freqSto, freqSpa, freqSamp )
timeObj.setTimeSto()
timeObj.reportTimeRel( "wobble_sync" )
# disable all to save power
# nmrObj.deassertAll()
timeObj.setTimeSta()
# compute the generated data
if nmrObj.en_remote_computing: # copy remote files to local directory
cp_rmt_file( nmrObj.scp, nmrObj.server_data_folder, nmrObj.client_data_folder, "current_folder.txt" )
meas_folder = parse_simple_info( nmrObj.data_folder, 'current_folder.txt' )
if nmrObj.en_remote_computing: # copy remote folder to local directory
cp_rmt_folder( nmrObj.scp, nmrObj.server_data_folder, nmrObj.client_data_folder, meas_folder[0] )
exec_rmt_ssh_cmd_in_datadir( nmrObj.ssh, "rm -rf " + meas_folder[0], nmrObj.server_data_folder ) # delete the file in the server
timeObj.setTimeSto()
timeObj.reportTimeRel( "transfer_data" )
timeObj.setTimeSta()
if (wobble_mode == 0):
S11, S11_fmin, S11_fmax, S11_bw, minS11, minS11_freq = compute_wobble_fft_sync( nmrObj, nmrObj.data_folder, meas_folder[0], -10, S11mV_ref, useRef, en_fig, fig_num )
elif (wobble_mode == 1):
S11, S11_fmin, S11_fmax, S11_bw, minS11, minS11_freq, freq0, Z11_imag0 = compute_wobble_sync( nmrObj, nmrObj.data_folder, meas_folder[0], -10, S11mV_ref, useRef, en_fig, fig_num )
elif (wobble_mode == 2):
S11, S11_fmin, S11_fmax, S11_bw, minS11, minS11_freq = compute_wobble_async( nmrObj, nmrObj.data_folder, meas_folder[0], -10, S11mV_ref, useRef, en_fig, fig_num )
print( '\t\tfmin={:0.3f} fmax={:0.3f} bw={:0.3f} minS11={:0.2f} minS11_freq={:0.3f} cparVal={:d} cserVal={:d}'.format(
S11_fmin, S11_fmax, S11_bw, minS11, minS11_freq, cparVal, cserVal ) )
timeObj.setTimeSto()
timeObj.reportTimeRel( "data processing" )
return S11, S11_fmin, S11_fmax, S11_bw, minS11, minS11_freq
def analyze( nmrObj , Vbias, Vvarac, freqSta, freqSto , freqSpa, freqSamp, fftpts, fftcmd, fftvalsub, continuous, en_fig ):
fig_num = 1
while True:
# set the preamp tuning
nmrObj.setPreampTuning( Vbias, Vvarac )
if (mode == 0 or mode == 1):
nmrObj.pamp_char_sync ( freqSta, freqSto, freqSpa, fftpts, fftcmd, fftvalsub )
elif (mode == 2):
nmrObj.pamp_char_async ( freqSta, freqSto, freqSpa, freqSamp )
if nmrObj.en_remote_computing: # copy remote files to local directory
cp_rmt_file( nmrObj.scp, nmrObj.server_data_folder, nmrObj.client_data_folder, "current_folder.txt" )
meas_folder = parse_simple_info( nmrObj.data_folder, 'current_folder.txt' )
# meas_folder[0] = "nmr_wobb_2018_06_25_12_44_48"
if nmrObj.en_remote_computing: # copy remote folder to local directory
cp_rmt_folder( nmrObj.scp, nmrObj.server_data_folder, nmrObj.client_data_folder, meas_folder[0] )
exec_rmt_ssh_cmd_in_datadir( nmrObj.ssh, "rm -rf " + meas_folder[0], nmrObj.server_data_folder ) # delete the file in the server
if (mode == 0):
maxS21, maxS21_freq, S21mV = compute_gain_fft_sync( nmrObj, nmrObj.data_folder, meas_folder[0], en_fig, fig_num )
elif (mode == 1): # UNTESTED
maxS21, maxS21_freq, _ = compute_gain_sync( nmrObj, data_folder, meas_folder[0], en_fig, fig_num )
elif (mode == 2):
maxS21, maxS21_freq, S21mV = compute_gain_async( nmrObj, nmrObj.data_folder, meas_folder[0], en_fig, fig_num )
print( "maxS21_fft=%0.2fdBmV maxS21_freq=%0.2fMHz Vbias=%0.2fV Vvarac=%0.2fV" % (
maxS21, maxS21_freq, Vbias, Vvarac ) )
if ( not continuous ):
break;
return maxS21, maxS21_freq, S21mV
def analyze( nmrObj, samp_freq, samples, min_freq, max_freq, tuning_freq, meas_bw_kHz, continuous, en_fig ):
# load parameters from table
Cpar, Cser = find_Cpar_Cser_from_table ( nmrObj.client_path , tuning_freq, nmrObj.S11_table )
Vbias, Vvarac = find_Vbias_Vvarac_from_table ( nmrObj.client_path , tuning_freq, nmrObj.S21_table )
nmrObj.setPreampTuning( Vbias, Vvarac ) # try -2.7, -1.8 if fail
# nmrObj.setMatchingNetwork( Cpar, Cser ) # 4.25 MHz AFE
nmrObj.setMatchingNetwork( 2190, 484 ) # 4.25 MHz AFE
# load parameters from config file
# nmrObj.setPreampTuning( conf.vbias, conf.vvarac ) # try -2.7, -1.8 if fail
# nmrObj.setMatchingNetwork( conf.cpar, conf.cser ) # 4.25 MHz AFE
nmrObj.assertControlSignal( nmrObj.RX_FL_msk | nmrObj.RX_FH_msk | nmrObj.RX_SEL1_msk | nmrObj.RX2_L_msk | nmrObj.RX2_H_msk | nmrObj.RX1_1L_msk | nmrObj.RX1_1H_msk | nmrObj.PAMP_IN_SEL2_msk )
# nmrObj.deassertControlSignal( nmrObj.RX_FH_msk | nmrObj.RX2_L_msk | nmrObj.RX_FH_msk )
nmrObj.deassertControlSignal( nmrObj.RX_FL_msk )
# nmrObj.deassertControlSignal( nmrObj.RX1_1H_msk | nmrObj.RX2_H_msk | nmrObj.RX_FH_msk )
# nmrObj.assertControlSignal( nmrObj.RX1_2L_msk | nmrObj.RX_SEL2_msk | nmrObj.RX_FL_msk ) # for finding FFT wobble function ADC subtraction value
while True:
nmrObj.noise( samp_freq, samples )
if nmrObj.en_remote_computing: # copy remote files to local directory
cp_rmt_file( nmrObj.scp, nmrObj.server_data_folder, nmrObj.client_data_folder, "current_folder.txt" )
# process the data
meas_folder = parse_simple_info( nmrObj.data_folder, 'current_folder.txt' )
if nmrObj.en_remote_computing: # copy remote folder to local directory
cp_rmt_folder( nmrObj.scp, nmrObj.server_data_folder, nmrObj.client_data_folder, meas_folder[0] )
exec_rmt_ssh_cmd_in_datadir( nmrObj.ssh, "rm -rf " + meas_folder[0], nmrObj.server_data_folder ) # delete the file in the server
# compute_stats( min_freq, max_freq, data_folder, meas_folder[0], 'noise_plot.png', en_fig )
compute_in_bw_noise( meas_bw_kHz, tuning_freq, min_freq, max_freq, nmrObj.data_folder, meas_folder[0], 'noise_plot.png', en_fig )
if ( not continuous ):
break
| nmrObj.RX_FH_msk | nmrObj.PAMP_IN_SEL2_msk)
nmrObj.setMatchingNetwork(0, 0)
nmrObj.setPreampTuning(0, 0)
nmrObj.deassertControlSignal(nmrObj.PSU_15V_TX_P_EN_msk
| nmrObj.PSU_15V_TX_N_EN_msk
| nmrObj.PSU_5V_TX_N_EN_msk
| nmrObj.PSU_5V_ADC_EN_msk
| nmrObj.PSU_5V_ANA_P_EN_msk
| nmrObj.PSU_5V_ANA_N_EN_msk)
if (process_data):
# compute the generated data
if en_remote_computing: # copy remote files to local directory
cp_rmt_file(nmrObj.scp, nmrObj.server_data_folder,
nmrObj.client_data_folder, "current_folder.txt")
meas_folder = parse_simple_info(nmrObj.data_folder, 'current_folder.txt')
if en_remote_computing: # copy remote folder to local directory
cp_rmt_folder(nmrObj.scp, nmrObj.server_data_folder,
nmrObj.client_data_folder, meas_folder[0])
exec_rmt_ssh_cmd_in_datadir(
nmrObj.ssh, "rm -rf " + meas_folder[0],
nmrObj.server_data_folder) # delete the file in the server
(a, a_integ, a0, snr, T2, noise, res, theta, data_filt, echo_avg, Df,
t_echospace) = compute_iterate(nmrObj, nmrObj.data_folder, meas_folder[0],
0, 0, 0, direct_read, datain, en_fig,
dconv_lpf_ord, dconv_lpf_cutoff_kHz)
if (meas_time):
elapsed_time = time.time() - start_time
def nmr_t2_auto ( cpmg_freq, pulse1_us, pulse2_us, echo_spacing_us, scan_spacing_us, samples_per_echo, echoes_per_scan, init_adc_delay_compensation, number_of_iteration, ph_cycl_en, dconv_lpf_ord, dconv_lpf_cutoff_Hz, client_data_folder ):
# configurations
en_fig = 1 # enable figure
direct_read = 0 # perform direct read from SDRAM. use with caution above!
process_data = 1 # process data within the SoC
en_remote_dbg = False
en_remote_computing = True
pulse1_dtcl = 0.5 # useless with current code
pulse2_dtcl = 0.5 # useless with current code
pulse180_t1_int = 0
delay180_t1_int = 0
tx_sd_msk = 1 # 1 to shutdown tx opamp during reception, or 0 to keep it powered up during reception
en_dconv = 0 # enable downconversion in the fpga
dconv_fact = 4 # downconversion factor. minimum of 4.
echo_skip = 1 # echo skip factor. set to 1 for the ADC to capture all echoes
# instantiate nmr object
nmrObj = tunable_nmr_system_2018( client_data_folder, en_remote_dbg, en_remote_computing )
# system setup
nmrObj.initNmrSystem() # necessary to set the GPIO initial setting. Also fix the
nmrObj.assertControlSignal( nmrObj.PSU_15V_TX_P_EN_msk | nmrObj.PSU_15V_TX_N_EN_msk | nmrObj.PSU_5V_TX_N_EN_msk |
nmrObj.PSU_5V_ADC_EN_msk | nmrObj.PSU_5V_ANA_P_EN_msk |
nmrObj.PSU_5V_ANA_N_EN_msk )
# nmrObj.deassertControlSignal(
# nmrObj.PSU_15V_TX_P_EN_msk | nmrObj.PSU_15V_TX_N_EN_msk)
Vbias, Vvarac = find_Vbias_Vvarac_from_table ( nmrObj.client_path , cpmg_freq, nmrObj.S21_table )
nmrObj.setPreampTuning( Vbias, Vvarac )
Cpar, Cser = find_Cpar_Cser_from_table ( nmrObj.client_path , cpmg_freq, nmrObj.S11_table )
nmrObj.setMatchingNetwork( Cpar, Cser )
nmrObj.setMatchingNetwork( Cpar, Cser )
# setting for WMP
nmrObj.assertControlSignal(
nmrObj.RX1_1L_msk | nmrObj.RX1_1H_msk | nmrObj.RX2_L_msk | nmrObj.RX2_H_msk | nmrObj.RX_SEL1_msk | nmrObj.RX_FL_msk | nmrObj.RX_FH_msk | nmrObj.PAMP_IN_SEL2_msk )
nmrObj.deassertControlSignal( nmrObj.RX1_1H_msk | nmrObj.RX_FH_msk ) # setting for UF
# nmrObj.deassertControlSignal( nmrObj.RX_FL_msk ) # setting for WMP
if ( direct_read ):
datain = nmrObj.cpmgSequenceDirectRead( cpmg_freq, pulse1_us, pulse2_us, pulse1_dtcl, pulse2_dtcl, echo_spacing_us, scan_spacing_us, samples_per_echo,
echoes_per_scan, init_adc_delay_compensation, number_of_iteration, ph_cycl_en,
pulse180_t1_int, delay180_t1_int, tx_sd_msk )
else:
nmrObj.cpmgSequence( cpmg_freq, pulse1_us, pulse2_us, pulse1_dtcl, pulse2_dtcl, echo_spacing_us, scan_spacing_us, samples_per_echo,
echoes_per_scan, init_adc_delay_compensation, number_of_iteration,
ph_cycl_en, pulse180_t1_int, delay180_t1_int, tx_sd_msk, en_dconv, dconv_fact, echo_skip )
datain = [] # set datain to 0 because the data will be read from file instead
nmrObj.deassertControlSignal(
nmrObj.RX1_1H_msk | nmrObj.RX1_1L_msk | nmrObj.RX2_L_msk | nmrObj.RX2_H_msk | nmrObj.RX_SEL1_msk | nmrObj.RX_FL_msk | nmrObj.RX_FH_msk | nmrObj.PAMP_IN_SEL2_msk )
nmrObj.setMatchingNetwork( 0, 0 )
nmrObj.setPreampTuning( 0, 0 )
nmrObj.deassertControlSignal( nmrObj.PSU_15V_TX_P_EN_msk | nmrObj.PSU_15V_TX_N_EN_msk | nmrObj.PSU_5V_TX_N_EN_msk |
nmrObj.PSU_5V_ADC_EN_msk | nmrObj.PSU_5V_ANA_P_EN_msk | nmrObj.PSU_5V_ANA_N_EN_msk )
if ( process_data ):
# compute the generated data
if en_remote_computing: # copy remote files to local directory
cp_rmt_file( nmrObj.scp, nmrObj.server_data_folder, nmrObj.client_data_folder, "current_folder.txt" )
meas_folder = parse_simple_info( nmrObj.data_folder, 'current_folder.txt' )
if en_remote_computing: # copy remote folder to local directory
cp_rmt_folder( nmrObj.scp, nmrObj.server_data_folder, nmrObj.client_data_folder, meas_folder[0] )
exec_rmt_ssh_cmd_in_datadir( nmrObj.ssh, "rm -rf " + meas_folder[0], nmrObj.server_data_folder ) # delete the file in the server
( a, a_integ, a0, snr, T2, noise, res, theta, data_filt, echo_avg, Df, t_echospace ) = compute_iterate( nmrObj,
nmrObj.data_folder, meas_folder[0], 0, 0, 0, direct_read, datain, en_fig , dconv_lpf_ord, dconv_lpf_cutoff_Hz )
nmrObj.deassertAll()
nmrObj.exit()
Cpar, Cser = find_Cpar_Cser_from_table ( nmrObj.client_path , cpmg_freq, S11_table )
Vbias, Vvarac = find_Vbias_Vvarac_from_table ( nmrObj.client_path , cpmg_freq, S21_table )
nmrObj.setPreampTuning( Vbias, Vvarac )
nmrObj.setMatchingNetwork( Cpar, Cser )
nmrObj.setMatchingNetwork( Cpar, Cser )
nmrObj.assertControlSignal(
nmrObj.RX1_1L_msk | nmrObj.RX1_1H_msk | nmrObj.RX2_L_msk | nmrObj.RX2_H_msk | nmrObj.RX_SEL1_msk | nmrObj.RX_FL_msk | nmrObj.RX_FH_msk | nmrObj.PAMP_IN_SEL2_msk )
# nmrObj.deassertControlSignal( nmrObj.RX1_1L_msk | nmrObj.RX2_L_msk | nmrObj.RX_FL_msk )
nmrObj.deassertControlSignal( nmrObj.RX_FL_msk )
while True:
nmrObj.fid( cpmg_freq, pulse2_us, pulse2_dtcl,
scan_spacing_us, samples_per_echo, number_of_iteration, tx_opa_sd )
# compute the generated data
if en_remote_computing: # copy remote files to local directory
cp_rmt_file( nmrObj, server_data_folder, client_data_folder, "current_folder.txt" )
meas_folder = parse_simple_info( data_folder, 'current_folder.txt' )
if en_remote_computing: # copy remote folder to local directory
cp_rmt_folder( nmrObj, server_data_folder, client_data_folder, meas_folder[0] )
exec_rmt_ssh_cmd_in_datadir( nmrObj, "rm -rf " + meas_folder[0] ) # delete the file in the server
compute_stats( min_freq, max_freq, data_folder, meas_folder[0], 'fid_plot.png', en_fig )
nmrObj.deassertAll()
nmrObj.setMatchingNetwork( 0, 0 ) # 4.25 MHz AFE
nmrObj.setMatchingNetwork( 0, 0 )
def nmr_t2_multifreq_auto ( cpmg_freq_list, pulse1_us, pulse2_us, echo_spacing_us, scan_spacing_us, multiscan_spacing_us, samples_per_echo, echoes_per_scan, init_adc_delay_compensation, number_of_iteration, ph_cycl_en, dconv_lpf_ord, dconv_lpf_cutoff_Hz, client_data_folder ):
# configurations
en_fig = 0 # enable figure
direct_read = 0 # perform direct read from SDRAM. use with caution above!
process_data = 1 # process data within the SoC
en_remote_dbg = False
en_remote_computing = True
pulse1_dtcl = 0.5 # useless with current code
pulse2_dtcl = 0.5 # useless with current code
pulse180_t1_int = 0
delay180_t1_int = 0
tx_sd_msk = 1 # 1 to shutdown tx opamp during reception, or 0 to keep it powered up during reception
en_dconv = 0 # enable downconversion in the fpga
dconv_fact = 4 # downconversion factor. minimum of 4.
echo_skip = 1 # echo skip factor. set to 1 for the ADC to capture all echoes
# additional configurations
timeObj = time_meas( True )
# error checker
if ( not ( len( cpmg_freq_list ) % 2 ) ):
print( "ERROR: please use odd n number for total different frequencies used inside cpmg_freq_list to ensure phase cycling works correctly." )
quit()
# instantiate nmr object
nmrObj = tunable_nmr_system_2018( client_data_folder, en_remote_dbg, en_remote_computing )
# system setup
nmrObj.initNmrSystem() # necessary to set the GPIO initial setting. Also fix the
nmrObj.assertControlSignal( nmrObj.PSU_15V_TX_P_EN_msk | nmrObj.PSU_15V_TX_N_EN_msk | nmrObj.PSU_5V_TX_N_EN_msk |
nmrObj.PSU_5V_ADC_EN_msk | nmrObj.PSU_5V_ANA_P_EN_msk |
nmrObj.PSU_5V_ANA_N_EN_msk )
# nmrObj.deassertControlSignal(
# nmrObj.PSU_15V_TX_P_EN_msk | nmrObj.PSU_15V_TX_N_EN_msk)
Vbias, Vvarac = find_Vbias_Vvarac_from_table ( nmrObj.client_path , cpmg_freq_list[0], nmrObj.S21_table )
nmrObj.setPreampTuning( Vbias, Vvarac )
Cpar, Cser = find_Cpar_Cser_from_table ( nmrObj.client_path , cpmg_freq_list[0], nmrObj.S11_table )
nmrObj.setMatchingNetwork( Cpar, Cser )
nmrObj.setMatchingNetwork( Cpar, Cser )
vbias_list = np.zeros( len( cpmg_freq_list ), dtype = float )
vvarac_list = np.zeros( len( cpmg_freq_list ), dtype = float )
c_series_list = np.zeros( len( cpmg_freq_list ), dtype = int )
c_shunt_list = np.zeros( len( cpmg_freq_list ), dtype = int )
for i in range ( 0, len( cpmg_freq_list ) ):
Vbias, Vvarac = find_Vbias_Vvarac_from_table ( nmrObj.client_path , cpmg_freq_list[i], nmrObj.S21_table )
Cpar, Cser = find_Cpar_Cser_from_table ( nmrObj.client_path , cpmg_freq_list[i], nmrObj.S11_table )
vbias_list[i] = Vbias
vvarac_list[i] = Vvarac
c_series_list[i] = Cser
c_shunt_list[i] = Cpar
# setting for WMP
nmrObj.assertControlSignal(
nmrObj.RX1_1L_msk | nmrObj.RX1_1H_msk | nmrObj.RX2_L_msk | nmrObj.RX2_H_msk | nmrObj.RX_SEL1_msk | nmrObj.RX_FL_msk | nmrObj.RX_FH_msk | nmrObj.PAMP_IN_SEL2_msk )
nmrObj.deassertControlSignal( nmrObj.RX1_1H_msk | nmrObj.RX_FH_msk ) # setting for UF
# nmrObj.deassertControlSignal( nmrObj.RX_FL_msk ) # setting for WMP
timeObj.setTimeSta()
# nmrObj.cpmgSequence( cpmg_freq, pulse1_us, pulse2_us, pulse1_dtcl, pulse2_dtcl, echo_spacing_us, scan_spacing_us, samples_per_echo, echoes_per_scan, init_adc_delay_compensation, number_of_iteration, ph_cycl_en, pulse180_t1_int, delay180_t1_int, tx_sd_msk, en_dconv, dconv_fact, echo_skip )
# nmrObj.cpmgSequence( cpmg_freq, pulse1_us, pulse2_us, pulse1_dtcl, pulse2_dtcl, echo_spacing_us, scan_spacing_us, samples_per_echo, echoes_per_scan, init_adc_delay_compensation, number_of_iteration, ph_cycl_en, pulse180_t1_int, delay180_t1_int, tx_sd_msk, en_dconv, dconv_fact, echo_skip )
nmrObj.cpmgSequenceMultifreq( pulse1_us, pulse2_us, pulse1_dtcl, pulse2_dtcl, echo_spacing_us, scan_spacing_us, multiscan_spacing_us, samples_per_echo, echoes_per_scan, init_adc_delay_compensation, number_of_iteration, ph_cycl_en, pulse180_t1_int, delay180_t1_int, tx_sd_msk, en_dconv, dconv_fact, echo_skip, cpmg_freq_list, c_series_list, c_shunt_list, vbias_list, vvarac_list )
datain = [] # set datain to 0 because the data will be read from file instead
timeObj.setTimeSto()
timeObj.reportTimeRel( "cpmgSequenceMultifreq" )
nmrObj.deassertControlSignal(
nmrObj.RX1_1H_msk | nmrObj.RX1_1L_msk | nmrObj.RX2_L_msk | nmrObj.RX2_H_msk | nmrObj.RX_SEL1_msk | nmrObj.RX_FL_msk | nmrObj.RX_FH_msk | nmrObj.PAMP_IN_SEL2_msk )
nmrObj.setMatchingNetwork( 0, 0 )
nmrObj.setPreampTuning( 0, 0 )
nmrObj.deassertControlSignal( nmrObj.PSU_15V_TX_P_EN_msk | nmrObj.PSU_15V_TX_N_EN_msk | nmrObj.PSU_5V_TX_N_EN_msk |
nmrObj.PSU_5V_ADC_EN_msk | nmrObj.PSU_5V_ANA_P_EN_msk | nmrObj.PSU_5V_ANA_N_EN_msk )
if ( process_data ):
# compute the generated data
if en_remote_computing: # copy remote files to local directory
cp_rmt_file( nmrObj.scp, nmrObj.server_data_folder, nmrObj.client_data_folder, "current_folder.txt" )
meas_folder = parse_simple_info( nmrObj.data_folder, 'current_folder.txt' )
for i in range ( 0, len( cpmg_freq_list ) ):
meas_folder[0] = meas_folder[0][:len( meas_folder[0] ) - 3] + "%03d" % i # change the meas_folder name to different folder names generated by the C programming. 25 is the character count before the last 3 digit number.
if en_remote_computing: # copy remote folder to local directory
cp_rmt_folder( nmrObj.scp, nmrObj.server_data_folder, nmrObj.client_data_folder, meas_folder[0] )
exec_rmt_ssh_cmd_in_datadir( nmrObj.ssh, "rm -rf " + meas_folder[0], nmrObj.server_data_folder ) # delete the file in the server
( a, a_integ, a0, snr, T2, noise, res, theta, data_filt, echo_avg, Df, t_echospace ) = compute_iterate( nmrObj,
nmrObj.data_folder, meas_folder[0], 0, 0, 0, direct_read, datain, en_fig , dconv_lpf_ord, dconv_lpf_cutoff_Hz )
