version as of 2025-01-09 from ultrasound PC

cfg/PEUS.cfg

@@ -0,0 +1,126 @@
+[NODE]
+id = ultrasound.psi.ch
+description = ultrasound settings
+
+[INTERFACE]
+uri = tcp://5000
+
+[f]
+class = secop_psi.ultrasound.Frequency
+description = ultrasound frequency and acquisition loop
+uri = serial:///dev/ttyS1
+pars = pars
+pollinterval = 0.1
+# this is the start time:
+time = 900
+size = 5000
+freq = 1.17568e+06
+basefreq = 4.14902e+07
+control = True
+amp = 5.0
+nr = 1000 #500 #300 #100 #50 #30 #10 #5 #3 #1 #1000 #500 #300 #100 #50 #30 #10 #5 #3 #1 #500
+sr = 32768      #16384
+plot = True
+maxstep = 100000
+bw = 10E6  #butter worth filter bandwidth
+# y scale for plot:
+maxy = 0.7
+# module to transmit curves:
+curves = curves
+
+[curves]
+class = secop_psi.ultrasound.Curves
+description = t, I, Q and pulse arrays for plot
+
+[roi0]
+class = secop_psi.ultrasound.Roi
+description = I/Q of region in the control loop.
+# this is the center of roi:
+time = 2450
+size = 300
+main = f
+
+[roi1]
+class = secop_psi.ultrasound.Roi
+description = I/Q of region 1
+time = 5950
+size = 300
+main = f
+
+[roi2]
+class = secop_psi.ultrasound.Roi
+description = I/Q of region 2
+# enable = False
+time = 9475
+size = 300
+main = f
+
+[roi3]
+class = secop_psi.ultrasound.Roi
+description = I/Q of region 3
+#enable = False
+time = 12900
+size = 300
+main = f
+
+[roi4]
+class = secop_psi.ultrasound.Roi
+description = I/Q of region 4
+enable = True
+time = 16100
+size = 300
+main = f
+
+[roi5]
+class = secop_psi.ultrasound.Roi
+description = I/Q of region 5
+enable = False
+time = 4000
+size = 30
+main = f
+
+[roi6]
+class = secop_psi.ultrasound.Roi
+description = I/Q of region 6
+enable = False
+time = 4000
+size = 200
+main = f
+
+[roi7]
+class = secop_psi.ultrasound.Roi
+description = I/Q of region 7
+enable = False
+time = 4000
+size = 200
+main = f
+
+[roi8]
+class = secop_psi.ultrasound.Roi
+description = I/Q of region 8
+enable = False
+time = 4000
+size = 200
+main = f
+
+[roi9]
+class = secop_psi.ultrasound.Roi
+description = I/Q of region 9
+enable = False
+time = 4000
+size = 200
+main = f
+
+[delay]
+class = secop_psi.dg645.Delay
+description = delay line with 2 channels
+#uri = dil4-ts.psi.ch:3008
+uri = serial:///dev/ttyS2
+on1 = 1e-9
+on2 = 1E-9
+off1 = 400e-9
+off2 = 600e-9
+
+[pars]
+class = secop_psi.ultrasound.Pars
+description = SEA parameters

cfg/RUS.cfg

@@ -0,0 +1,63 @@
+[NODE]
+id = ultrasound.psi.ch
+description = resonant ultra sound setup
+
+[INTERFACE]
+uri = tcp://5000
+
+[f]
+class = secop_psi.ultrasound.Frequency
+description = ultrasound frequency and acquisition loop
+uri = serial:///dev/ttyS1
+pars = pars
+pollinterval = 0.1
+# this is the start time:
+time = 900
+size = 5000
+freq = 1.e+03
+basefreq = 1.E+3
+control = False
+rusmode = False
+amp = 2.5
+nr = 1 #500 #300 #100 #50 #30 #10 #5 #3 #1 #1000 #500 #300 #100 #50 #30 #10 #5 #3 #1 #500
+sr = 1E8      #16384
+plot = True
+maxstep = 100000
+bw = 10E6  #butter worth filter bandwidth
+# y scale for plot:
+maxy = 0.7
+# module to transmit curves:
+curves = curves
+
+[curves]
+class = secop_psi.ultrasound.Curves
+description = t, I, Q and pulse arrays for plot
+
+[roi0]
+class = secop_psi.ultrasound.Roi
+description = I/Q of region in the control loop.
+# this is the center of roi:
+time = 300
+size = 5000
+main = f
+
+[roi1]
+class = secop_psi.ultrasound.Roi
+description = I/Q of region 1
+time = 100
+size = 300
+main = f
+
+[delay]
+class = secop_psi.dg645.Delay
+description = delay line with 2 channels
+#uri = dil4-ts.psi.ch:3008
+uri = serial:///dev/ttyS2
+on1 = 1e-9
+on2 = 1E-9
+off1 = 400e-9
+off2 = 600e-9
+
+[pars]
+class = secop_psi.ultrasound.Pars
+description = SEA parameters

cfg/dg.cfg

@@ -0,0 +1,17 @@
+[node ultrasound.psi.ch]
+description = ultrasound settings
+
+[interface tcp]
+type = tcp
+bindto = 0.0.0.0
+bindport = 5000
+
+[module delay]
+class = secop_psi.dg645.Delay
+description = delay line with 2 channels
+#uri = dil4-ts.psi.ch:3008
+uri = serial:///dev/ttyS2
+on1 = 10e-9
+on2 = 1E-9
+off1 = 250e-9
+off2 = 550e-9

cfg/ultrasound.cfg

@@ -0,0 +1,126 @@
+[NODE]
+id = ultrasound.psi.ch
+description = ultrasound settings
+
+[INTERFACE]
+uri = tcp://5000
+
+[f]
+class = secop_psi.ultrasound.Frequency
+description = ultrasound frequency and acquisition loop
+uri = serial:///dev/ttyS1
+pars = pars
+pollinterval = 0.1
+# this is the start time:
+time = 900
+size = 5000
+freq = 1.17568e+06
+basefreq = 4.14902e+07
+control = True
+amp = 5.0
+nr = 1000 #500 #300 #100 #50 #30 #10 #5 #3 #1 #1000 #500 #300 #100 #50 #30 #10 #5 #3 #1 #500
+sr = 32768      #16384
+plot = True
+maxstep = 100000
+bw = 10E6  #butter worth filter bandwidth
+# y scale for plot:
+maxy = 0.7
+# module to transmit curves:
+curves = curves
+
+[curves]
+class = secop_psi.ultrasound.Curves
+description = t, I, Q and pulse arrays for plot
+
+[roi0]
+class = secop_psi.ultrasound.Roi
+description = I/Q of region in the control loop.
+# this is the center of roi:
+time = 2450
+size = 300
+main = f
+
+[roi1]
+class = secop_psi.ultrasound.Roi
+description = I/Q of region 1
+time = 5950
+size = 300
+main = f
+
+[roi2]
+class = secop_psi.ultrasound.Roi
+description = I/Q of region 2
+# enable = False
+time = 9475
+size = 300
+main = f
+
+[roi3]
+class = secop_psi.ultrasound.Roi
+description = I/Q of region 3
+#enable = False
+time = 12900
+size = 300
+main = f
+
+[roi4]
+class = secop_psi.ultrasound.Roi
+description = I/Q of region 4
+enable = True
+time = 16100
+size = 300
+main = f
+
+[roi5]
+class = secop_psi.ultrasound.Roi
+description = I/Q of region 5
+enable = False
+time = 4000
+size = 30
+main = f
+
+[roi6]
+class = secop_psi.ultrasound.Roi
+description = I/Q of region 6
+enable = False
+time = 4000
+size = 200
+main = f
+
+[roi7]
+class = secop_psi.ultrasound.Roi
+description = I/Q of region 7
+enable = False
+time = 4000
+size = 200
+main = f
+
+[roi8]
+class = secop_psi.ultrasound.Roi
+description = I/Q of region 8
+enable = False
+time = 4000
+size = 200
+main = f
+
+[roi9]
+class = secop_psi.ultrasound.Roi
+description = I/Q of region 9
+enable = False
+time = 4000
+size = 200
+main = f
+
+[delay]
+class = secop_psi.dg645.Delay
+description = delay line with 2 channels
+#uri = dil4-ts.psi.ch:3008
+uri = serial:///dev/ttyS2
+on1 = 1e-9
+on2 = 1E-9
+off1 = 400e-9
+off2 = 600e-9
+
+[pars]
+class = secop_psi.ultrasound.Pars
+description = SEA parameters

ftune.py

@@ -0,0 +1,127 @@
+import PySimpleGUI as sg
+import time
+import sys
+sys.path.append(r'/Users/bartkowiak/Programs/frappy/frappy')
+from secop.client import SecopClient
+from matplotlib.backends.backend_tkagg import FigureCanvasTkAgg
+import matplotlib.pyplot as plt
+from numpy.random import rand
+import numpy as np
+
+def draw_figure(canvas, figure):
+    figure_canvas_agg = FigureCanvasTkAgg(figure, canvas)
+    figure_canvas_agg.draw()
+    figure_canvas_agg.get_tk_widget().pack(side='top', fill='both', expand=1)
+    return figure_canvas_agg
+
+def upd_flim(inp):
+    return int(inp)
+def connection_handler(sec,status,IP,port, cstate):
+    if cstate == -1 and status == False:        
+        try :
+            cstate = 1 
+            #sock.connect((IP,int(port)))
+            sec = SecopClient(IP+':'+port)
+            sec.connect()
+            sec.setParameter('f','control',False)
+            status = False
+        except :
+            cstate = -1
+            status = True
+    elif status == True and cstate == 1 :
+        status = False
+        sec.disconnect()
+        #sock.close()
+        cstate = -1          
+    return cstate, status,sec
+
+def new_xy(sec, cstate):
+    xn = 0
+    yn = 0
+    if cstate == 1:
+       try: 
+          xn = sec.getParameter('roi0','i')[0]
+          yn = sec.getParameter('roi0','q')[0]
+       except:
+           pass             
+    return xn, yn
+
+def send_new_f(sec, cstate, freq):
+    if cstate == 1:
+        freq = sec.setParameter('f','basefreq',freq)
+    return freq 
+
+
+# THIS IS THE MAIN LOOP
+def main():  # define the main loop
+    freq = '10000000'
+    f_start = 39000000
+    f_end = 42000000
+    new_f = f_start
+    down = True
+    down2 = True
+    cstate = -1
+    tstart = time.time()
+    x = np.array([])
+    y = np.array([])
+    IP = 'pc13252'
+    port = '5000'
+    sec = SecopClient(IP+':'+port)
+    layout = [  [sg.Text('Frequency Tuner)')],
+                [sg.Text('IP\t\t:',font= ("Helvetica",22)),sg.InputText(key='_IP_',default_text=IP,font= ("Helvetica",22),size=(15,1))], 
+                [sg.Text('PORT\t\t:',font= ("Helvetica",22)),sg.InputText(key='_PORT_',default_text=port,font= ("Helvetica",22),size=(15,1)),sg.T(' '  * 41), sg.Button('connect',key='connect',font= ("Helvetica",22))],
+                [sg.Text('Start Frequency\t:',font= ("Helvetica",22)),sg.InputText(key='_f_start_', default_text='39000000',font= ("Helvetica",22),size=(15,1))],
+                [sg.Text('Stop Frequency\t:',font= ("Helvetica",22)),sg.InputText(key='_f_end_',default_text='45000000',font= ("Helvetica",22),size=(15,1))],
+                [sg.Slider(range=(f_start, f_end),key='_SLtune_', orientation='h',font= ("Helvetica",22), size=(35, 20), default_value=f_start),sg.T(' '  * 2),sg.Button('sweep',key='sweep',font= ("Helvetica",22))], 
+                [sg.Canvas(size=(640, 480), key='-CANVAS-')],
+                [sg.Button('Exit',font= ("Helvetica",22)),sg.T(' '  * 150),sg.Button('Clear Plot',key='clp',font= ("Helvetica",22))] ]     # a couple of buttons
+
+    window = sg.Window('Frequency tuner', layout, finalize=True)
+    canvas_elem = window['-CANVAS-']
+    canvas = canvas_elem.TKCanvas
+    # draw the intitial scatter plot
+    fig, ax = plt.subplots()
+    ax.grid(True)
+    fig_agg = draw_figure(canvas, fig) 
+
+    while True:
+                 # Event Loop
+        event, values = window.Read(timeout=0.5)
+        if event in (None, 'Exit'):   # checks if user wants to exit
+            if cstate == 1:
+                connection_handler(sec,True,values['_IP_'],values['_PORT_'],cstate)      
+            break
+
+        if event == 'connect':
+            down = not down
+            window['connect'].Update(('disconnect','connect')[down])
+            cstate, down, sec = connection_handler(sec,down,values['_IP_'],values['_PORT_'],cstate)
+        if event == 'sweep':
+            down2 = not down2
+            window['sweep'].Update(('sweeping','sweep')[down2])
+        #if event in ('_SL8_','_SL6_','_SL4_','_SL2_'):                  # the two lines of code needed to get button and run command
+        #freq = update_freq(inp=[values['_SL8_'],values['_SL6_'],values['_SL4_'],values['_SL2_']])
+        if down2 == False:
+            if time.time() - tstart > 1.:
+                tstart = time.time()
+                new_f = int(int(values['_SLtune_']) + (int(values['_f_end_'])-int(values['_f_start_']))/200)
+                send_new_f(sec,cstate,new_f)
+                window['_SLtune_'].Update(value=new_f)
+        if event == 'clp':
+            x = np.array([])
+            y = np.array([])
+        window['_SLtune_'].Update(range=(int(values['_f_start_']),int(values['_f_end_'])))
+        xn,yn = new_xy(sec,cstate)
+        ax.cla()
+        ax.grid(True)
+        x = np.append(x,xn)
+        y = np.append(y,yn)
+        ax.plot(x, y)
+        fig_agg.draw()
+
+    window.Close()
+
+
+
+if __name__ == '__main__':
+    main()

secop/core.py

@@ -44,3 +44,4 @@ ERROR = Drivable.Status.ERROR
 WARN = Drivable.Status.WARN
 BUSY = Drivable.Status.BUSY
 IDLE = Drivable.Status.IDLE
+DISABLED = Drivable.Status.DISABLED

secop/datatypes.py

@@ -760,7 +760,7 @@ class ArrayOf(DataType):
 
     def __call__(self, value):
         """validate an external representation to an internal one"""
-        if isinstance(value, (tuple, list)):
+        try:
             # check number of elements
             if self.minlen is not None and len(value) < self.minlen:
                 raise BadValueError(
@@ -768,11 +768,12 @@ class ArrayOf(DataType):
                     self.minlen)
             if self.maxlen is not None and len(value) > self.maxlen:
                 raise BadValueError(
-                    'Array too big, holds at most %d elements!' % self.minlen)
+                    'Array too big, holds at most %d elements!' % self.maxlen)
-            # apply subtype valiation to all elements and return as list
+            # apply subtype valdiation to all elements and return as list
             return tuple(self.members(elem) for elem in value)
-        raise BadValueError(
+        except TypeError:
-            'Can not convert %s to ArrayOf DataType!' % repr(value))
+            raise BadValueError('%s can not be converted to ArrayOf DataType!'
+                                % type(value).__name__) from None
 
     def export_value(self, value):
         """returns a python object fit for serialisation"""
@@ -842,6 +843,7 @@ class TupleOf(DataType):
             return tuple(sub(elem)
                          for sub, elem in zip(self.members, value))
         except Exception as exc:
+            print(value)
             raise BadValueError('Can not validate:', str(exc)) from None
 
     def export_value(self, value):

secop/io.py

@@ -47,7 +47,7 @@ class SilentError(CommunicationFailedError):
 
 class HasIO(Module):
     """Mixin for modules using a communicator"""
-    io = Attached()
+    io = Attached(mandatory=False)
     uri = Property('uri for automatic creation of the attached communication module',
                    StringType(), default='')
 

secop/modules.py

@@ -500,10 +500,11 @@ class Module(HasAccessibles):
             # TODO: remove readerror 'property' and replace value with exception
             pobj = self.parameters[pname]
             timestamp = timestamp or time.time()
-            changed = pobj.value != value
             try:
+                value = pobj.datatype(value)
+                changed = pobj.value != value
                 # store the value even in case of error
-                pobj.value = pobj.datatype(value)
+                pobj.value = value
             except Exception as e:
                 if isinstance(e, DiscouragedConversion):
                     if DiscouragedConversion.log_message:

secop/params.py

@@ -149,6 +149,9 @@ class Parameter(Accessible):
 
         default None: write if given in config''', NoneOr(BoolType()),
         export=False, default=None, settable=False)
+    # used in NICOS only ...
+    nicos_category = Property(
+        '''NICOS parameter category''', StringType(), export=True, default='')
 
     # used on the instance copy only
     value = None

secop_psi/adq_mr.py

@@ -6,15 +6,17 @@ Created on Tue Nov 26 15:42:43 2019
 """
 
 
+import sys
+import atexit
+import signal
+import time
 import numpy as np
 import ctypes as ct
-import time
 from numpy import sqrt, arctan2, sin, cos
+import scipy.signal
 
 #from pylab import *
 
-from scipy import signal
-
 #ADQAPI = ct.cdll.LoadLibrary("ADQAPI.dll")
 ADQAPI = ct.cdll.LoadLibrary("libadq.so.0")
 
@@ -37,7 +39,7 @@ ADQ_CHANNELS_MASK = 0x3
 def butter_lowpass(cutoff, sr, order=5):
     nyq = 0.5 * sr
     normal_cutoff = cutoff / nyq
-    b, a = signal.butter(order, normal_cutoff, btype = 'low', analog = False)
+    b, a = scipy.signal.butter(order, normal_cutoff, btype = 'low', analog = False)
     return b, a
     
 
@@ -125,6 +127,8 @@ class Adq(object):
     #             print('SetTriggerThresholdVoltage failed.')
         print("CHANNEL:"+str(ct.c_int(ADQAPI.ADQ_GetLvlTrigChannel(self.adq_cu, self.adq_num))))
         self.setup_target_buffers()
+        atexit.register(self.deletecu)
+        signal.signal(signal.SIGTERM, lambda *_: sys.exit(0))
 
     def setup_target_buffers(self):
         # Setup target buffers for data
@@ -139,9 +143,10 @@ class Adq(object):
         ADQAPI.ADQ_MultiRecordClose(self.adq_cu, self.adq_num);
         # Delete ADQControlunit
         ADQAPI.DeleteADQControlUnit(self.adq_cu)
+        print('ADQ closed')
 
     def start(self):
-        """start datat acquisition"""
+        """start data acquisition"""
         # samples_per_records = samples_per_record/number_of_records
         # Change number of pulses to be acquired acording to how many records are taken
         # Start acquisition
@@ -177,52 +182,7 @@ class Adq(object):
     def acquire(self):
         self.start()
         return self.getdata()
-    '''   
-    def average(self, data):
-        #Average over records
-        return [data[ch].sum(axis=0) / self.number_of_records for ch in range(2)]
 
-    def iq(self, channel, f_LO):
-        newx = np.linspace(0, self.samples_per_record /2, self.samples_per_record)
-        s0 = channel /((2**16)/2)*0.5*np.exp(1j*2*np.pi*f_LO/(1e3)*newx)
-        I0 = s0.real
-        Q0 = s0.imag
-        return I0, Q0
-    
-
-    def fitting(self, data, f_LO, ti, tf):
-        # As long as data[0] is the pulse
-        si = 2*ti #Those are for fitting the pulse
-        sf = 2*tf
-        phase = np.zeros(self.number_of_records)
-        amplitude = np.zeros(self.number_of_records)
-        offset = np.zeros(self.number_of_records)
-
-        for i in range(self.number_of_records):
-            phase[i], amplitude[i] = sineW(data[0][i][si:sf],f_LO*1e-9,ti,tf)
-            offset[i] = np.average(data[0][i][si:sf])
-        return phase, amplitude, offset
-  
-    
-    def waveIQ(self, channel,ti,f_LO):
-        #channel is not the sample data
-        t = np.linspace(0, self.samples_per_record /2, self.samples_per_record + 1)[:-1]
-        si = 2*ti # Again that is where the wave pulse starts
-        cwi = np.zeros((self.number_of_records,self.samples_per_record))
-        cwq = np.zeros((self.number_of_records,self.samples_per_record))
-        iq = np.zeros((self.number_of_records,self.samples_per_record))
-        q = np.zeros((self.number_of_records,self.samples_per_record))
-        for i in range(self.number_of_records):
-            cwi[i] = np.zeros(self.samples_per_record)
-            cwq[i] = np.zeros(self.samples_per_record)
-            cwi[i] = amplitude[i]*sin(t[si:]*f_LO*1e-9*2*np.pi+phase[i]*np.pi/180)+bias[i]
-            cwq[i] = amplitude[i]*sin(t[si:]*f_LO*1e-9*(2*np.pi+(phase[i]+90)*np.pi/180))+bias[i]
-  
-            iq[i] = channel[i]*cwi[i]
-            q[i] = channel[i]*cwq[i]
-            
-        return iq,q
-    '''
     def sinW(self,sig,freq,ti,tf):
         # sig: signal array
         # freq
@@ -262,9 +222,9 @@ class Adq(object):
     def filtro(self, iorq, cutoff):
         b, a = butter_lowpass(cutoff, self.samp_freq*1e9)
 
-        #ifi = np.array(signal.filtfilt(b,a,iorq[0])) 
+        #ifi = np.array(scipy.signal.filtfilt(b,a,iorq[0]))
-        #qf = np.array(signal.filtfilt(b,a,iorq[1]))
+        #qf = np.array(scipy.signal.filtfilt(b,a,iorq[1]))
-        iqf = [signal.filtfilt(b,a,iorq[i]) for i in np.arange(len(iorq))]
+        iqf = [scipy.signal.filtfilt(b,a,iorq[i]) for i in np.arange(len(iorq))]
 
         return iqf
 
@@ -276,12 +236,15 @@ class Adq(object):
 
     def gates_and_curves(self, data, freq, pulse, roi):
         """return iq values of rois and prepare plottable curves for iq"""
+        self.ndecimate = int(round(2E9/freq))
         times = []
         times.append(('aviq', time.time()))
         iq = self.averageiq(data,freq*1e-9,*pulse)
         times.append(('filtro', time.time()))
         iqf = self.filtro(iq,self.bw_cutoff)
         m = len(iqf[0]) // self.ndecimate
+        ll = m * self.ndecimate
+        iqf = [iqfx[0:ll] for iqfx in iqf]
         times.append(('iqdec', time.time()))
         iqd = np.average(np.resize(iqf, (2, m, self.ndecimate)), axis=2)
         t_axis = np.arange(m) * self.ndecimate / self.samp_freq

secop_psi/ultrasound.py

@@ -30,7 +30,8 @@ import numpy as np
 import secop_psi.iqplot as iqplot
 from secop_psi.adq_mr import Adq
 from secop.core import Attached, BoolType, Done, FloatRange, HasIO, \
-    IntRange, Module, Parameter, Readable, StringIO, StringType
+    IntRange, Module, Parameter, Readable, StringIO, StringType, \
+    IDLE, DISABLED, TupleOf, ArrayOf
 from secop.properties import Property
 
 
@@ -54,7 +55,6 @@ class Roi(Readable):
     time = Parameter('start time', FloatRange(unit='nsec'), readonly=False)
     size = Parameter('interval (symmetric around time)', FloatRange(unit='nsec'), readonly=False)
     enable = Parameter('calculate this roi', BoolType(), readonly=False, default=True)
-    #status = Parameter(export=False)
     pollinterval = Parameter(export=False)
 
     interval = (0,0)
@@ -67,6 +67,9 @@ class Roi(Readable):
     def calc_interval(self):
         self.interval = (self.time - 0.5 * self.size, self.time + 0.5 * self.size)
 
+    def read_status(self):
+        return (IDLE, '') if self.enable else (DISABLED, 'disabled')
+
     def write_time(self, value):
         self.time = value
         self.calc_interval()
@@ -84,7 +87,7 @@ class Pars(Module):
     timestamp = Parameter('unix timestamp', StringType(), default='0', readonly=False)
     temperature = Parameter('T', FloatRange(unit='K'), default=0, readonly=False)
     mf = Parameter('field', FloatRange(unit='T'), default=0, readonly=False)
-    sr = Parameter('rotaion angle', FloatRange(unit='deg'), default=0, readonly=False)
+    sr = Parameter('rotation angle', FloatRange(unit='deg'), default=0, readonly=False)
 
 
 class FreqStringIO(StringIO):
@@ -93,16 +96,19 @@ class FreqStringIO(StringIO):
 
 class Frequency(HasIO, Readable):
     pars = Attached()
-    sr = Property('samples per record', datatype=IntRange(), default=16384)
+    curves = Attached(mandatory=False)
+#    sr = Property('samples per record', datatype=IntRange(), default=16384)
     maxy = Property('plot y scale', datatype=FloatRange(), default=0.5)
 
     value = Parameter('frequency@I,q', datatype=FloatRange(unit='Hz'), default=0)
     basefreq = Parameter('base frequency', FloatRange(unit='Hz'), readonly=False)
     nr = Parameter('number of records', datatype=IntRange(1,10000), default=500)
+    sr = Parameter('samples per record', datatype=IntRange(1,1E9), default=16384)
     freq = Parameter('target frequency', FloatRange(unit='Hz'), readonly=False)
     bw = Parameter('bandwidth lowpassfilter', datatype=FloatRange(unit='Hz'),default=10E6)
     amp = Parameter('amplitude', FloatRange(unit='dBm'), readonly=False)
     control = Parameter('control loop on?', BoolType(), readonly=False, default=True)
+    rusmode = Parameter('RUS mode on?', BoolType(), readonly=False, default=False)
     time = Parameter('pulse start time', FloatRange(unit='nsec'),
                       readonly=False)
     size = Parameter('pulse length (starting from time)', FloatRange(unit='nsec'),
@@ -130,6 +136,7 @@ class Frequency(HasIO, Readable):
         self.adq = Adq(self.nr, self.sr, self.bw)
         self.roilist = []
         self.write_nr(self.nr)
+        self.write_sr(self.sr)
         self.skipctrl = 0
         self.plotter = iqplot.Plot(self.maxy)
         self.calc_interval()
@@ -151,6 +158,9 @@ class Frequency(HasIO, Readable):
         # self.pollinterval = value * 0.0001
         return value
 
+    def write_sr(self, value):
+        return value
+
     def register_roi(self, roi):
         self.roilist.append(roi)
 
@@ -176,7 +186,11 @@ class Frequency(HasIO, Readable):
         """main poll loop body"""
         if self.lastfreq is None:
             self.lastfreq = self.set_freq()
+            if self.rusmode:
+                self.sr = int(12e9/self.lastfreq) #picking up 12 period at the ith frequency in the time scale
+#                self.adq.samples_per_record = self.sr
             self.adq.start()
+
         if self.starttime is None:
             self.starttime = time.time()
         times = []
@@ -200,6 +214,8 @@ class Frequency(HasIO, Readable):
 
         gates = self.adq.gates_and_curves(data, freq, self.interval,
                                           [r.interval for r in roilist])
+        if self.curves:  # if attached Curves module is defined, update it
+            self.curves.value = self.adq.curves
         if self.save:
             times.append(('save',time.time()))
             tdata, idata, qdata, pdata = self.adq.curves
@@ -259,3 +275,9 @@ class Frequency(HasIO, Readable):
             self.freq = sorted((self.freq - self.maxstep, newfreq, self.freq + self.maxstep))[1]
         #print(times)
         return Done
+
+
+class Curves(Readable):
+    value = Parameter("t, i, q, pulse curves",
+                      TupleOf(*[ArrayOf(FloatRange(), 0, 16283) for _ in range(4)]), default=[[]] * 4)
+