st1 = Stream("st1", dispatcher)
add_device(st1, force = True)
ch1="SINEG01-DICT210:GUN_CHARGE"
ch1="SATMA02-RLLE-DSP:PHASE-VS"
wv1="SARES11-SPEC125-M1.roi_signal_x_profile"
s1=st1.addScalar(ch1,ch1, 1, 0)
#w1=st1.addWaveform(wv1,wv1, 1, 0)

#st1.addWaveform("phase", "SINXB01-RWVG100-DCP10:FOR-PHASE", 10, 0, 2048)
#st1.addWaveform("amplt", "SINXB01-RWVG100-DCP10:FOR-AMPLT", 10, 0, 2048)
st1.initialize()
st1.start(True)
print st1.waitCacheChange(5000)
try:    
    bscan (st1, 10, title="bscan")
    #tscan (st1.getReadables(), 10, 1, title="tscan")
    x = st1.take()
finally:
    st1.close()