def do_fit():
global fitted, data
if data == None :
msg.config(text='No Data Present')
return
fitted = phmath.fit_sine(data)
par = fitted[1]
other = Toplevel()
other.title('Curve Fitting Window')
fitwin = disp(other, WIDTH, HEIGHT,'white')
fitwin.setWorld(0,-5000,data[-1][0],5000)
f = Frame(other)
f.pack()
ss = 'A = %4.1f mV | F = %4.1f Hz | ph = %4.1f rad | Offset = %4.1f mV'\
%(par[0], par[1]*1.0e6, par[2], par[3])
l1 = Label(f,text=ss)
l1.pack(side=LEFT)
b1 = Button(f,text = 'Save',command = save_fit)
b1.pack(side=LEFT)
x = []
y1 = []
y2 = []
for k in fitted[0]:
y1.append((k[0],k[1]))
y2.append((k[0],k[2]))
fitwin.line(y1,'black')
fitwin.line(y2,'red')
def do_fit():
global fitted, data
if data == None:
msg.config(text='No Data Present')
return
fitted = phmath.fit_sine(data)
par = fitted[1]
other = Toplevel()
other.title('Curve Fitting Window')
fitwin = disp(other, WIDTH, HEIGHT, 'white')
fitwin.setWorld(0, -5000, data[-1][0], 5000)
f = Frame(other)
f.pack()
ss = 'A = %4.1f mV | F = %4.1f Hz | ph = %4.1f rad | Offset = %4.1f mV'\
%(par[0], par[1]*1.0e6, par[2], par[3])
l1 = Label(f, text=ss)
l1.pack(side=LEFT)
b1 = Button(f, text='Save', command=save_fit)
b1.pack(side=LEFT)
x = []
y1 = []
y2 = []
for k in fitted[0]:
y1.append((k[0], k[1]))
y2.append((k[0], k[2]))
fitwin.line(y1, 'black')
fitwin.line(y2, 'red')
import phm, time, phmath
p = phm.phm()
of = open('vf.dat','w')
for k in range(0,256,5):
p.set_dac(k)
time.sleep(0.1)
data = p.read_block(400,100,0)
res = phmath.fit_sine(data)
frfit = res[1][1]*1.0e6
if frfit < 90:
print frfit
continue
# p.plot(res[0]);raw_input()
ss = '%5.0f %4.1f'%(k*5000.0/255, frfit)
print ss
of.write(ss+'\n')
of.flush()