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testscope.py
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from tekscope import TektronixScope
from plotter import ScopeDisplay
_dicts = """
{'COUP': 'DC', 'LEVEL': 4.56, 'STATE': 'SAVE', 'SLO': 'FALL', 'SOU': 'CH3', 'MODE': 'NORMAL', 'HOLDO': 5e-07, 'TYPE': 'EDGE'}
{'WFID': 'Ch1, DC coupling, 5.0E-1 V/div, 5.0E-2 s/div, 2500 points,
Sample mode', 'BIT_NR': 8, 'YUNIT': 'Volts', 'XZERO': -0.15,
'PT_OFF': 0, 'PT_FMT': 'Y', 'BN_FMT': 'RI', 'BYT_NR': 1, 'ENCDG':
'BIN', 'NR_PT': 2500, 'XUNIT': 's', 'YMULT': 0.02, 'XINCR': 0.0002,
'YOFF': -166.0, 'BYT_OR': 'LSB', 'YZERO': 0.0}
"""
_cmdStr = """
TRIGGER:MAIN:LEVEL 4.56
TRIGGER:MAIN:MODE NORMAL
TRIGGER:MAIN:EDGE:SOU CH3
TRIGGER:MAIN:TYPE EDGE
acquire:state on
DATA:SOURCE CH1
measu:imm:typ FALL;:measu:imm:sou CH1
measu:imm:typ FALL;:measu:imm:sou CH2
measu:imm:typ RISE;:measu:imm:sou CH1
measu:imm:typ RISE;:measu:imm:sou CH2
measu:imm:typ PK2P;:measu:imm:sou CH1
measu:imm:typ PK2P;:measu:imm:sou CH2
measu:imm:typ CRMS;:measu:imm:sou CH1
measu:imm:typ CRMS;:measu:imm:sou CH2
DATA:SOURCE CH2
measu:imm:typ FALL;:measu:imm:sou CH3
measu:imm:typ RISE;:measu:imm:sou CH3
measu:imm:typ PK2P;:measu:imm:sou CH3
measu:imm:typ CRMS;:measu:imm:sou CH3
DATA:SOURCE CH3
acquire:state off
"""
_reqStr = """
TRIG:STATE?
:TRIGGER:STATE SAVE
TRIGGER:MAIN:HOLDO?
:TRIGGER:MAIN:HOLDOFF:VALUE 5.0E-7
TRIGGER:MAIN:TYPE?
:TRIGGER:MAIN:TYPE EDGE
TRIGGER:MAIN:MODE?
:TRIGGER:MAIN:MODE NORMAL
TRIGGER:MAIN:LEVEL?
:TRIGGER:MAIN:LEVEL 4.56E0
TRIGGER:MAIN:EDGE:COUP?
:TRIGGER:MAIN:EDGE:COUPLING DC
TRIGGER:MAIN:EDGE:SLO?
:TRIGGER:MAIN:EDGE:SLOPE FALL
TRIGGER:MAIN:EDGE:SOU?
:TRIGGER:MAIN:EDGE:SOURCE CH3
hor:mai:sca?
:HORIZONTAL:MAIN:SCALE 5.0E-2
CH1:scale?
:CH1:SCALE 5.0E-1
measu:imm:val?
:MEASUREMENT:IMMED:VALUE 0.0E0
measu:imm:val?
:MEASUREMENT:IMMED:VALUE 0.0E0
measu:imm:val?
:MEASUREMENT:IMMED:VALUE 1.400003433E-1
measu:imm:val?
:MEASUREMENT:IMMED:VALUE 4.8800115585E0
wfmpre?
:WFMPRE:BYT_NR 1;BIT_NR 8;ENCDG BIN;BN_FMT RI;BYT_OR LSB;NR_PT 2500;WFID "Ch1, DC coupling, 5.0E-1 V/div, 5.0E-2 s/div, 2500 points, Sample mode";PT_FMT Y;XINCR 2.0E-4;PT_OFF 0;XZERO -1.5E-1;XUNIT "s";YMULT 2.0E-2;YZERO 0.0E0;YOFF -1.66E2;YUNIT "Volts"
curv?
[ 4.88 4.88 4.86 ..., 4.88 4.88 4.9 ]
CH2:scale?
:CH2:SCALE 5.0E-1
measu:imm:val?
:MEASUREMENT:IMMED:VALUE 0.0E0
measu:imm:val?
:MEASUREMENT:IMMED:VALUE 0.0E0
measu:imm:val?
:MEASUREMENT:IMMED:VALUE 1.400003433E-1
measu:imm:val?
:MEASUREMENT:IMMED:VALUE 4.8634057045E0
wfmpre?
:WFMPRE:BYT_NR 1;BIT_NR 8;ENCDG BIN;BN_FMT RI;BYT_OR LSB;NR_PT 2500;WFID "Ch2, DC coupling, 5.0E-1 V/div, 5.0E-2 s/div, 2500 points, Sample mode";PT_FMT Y;XINCR 2.0E-4;PT_OFF 0;XZERO -1.5E-1;XUNIT "s";YMULT 2.0E-2;YZERO 0.0E0;YOFF -1.91E2;YUNIT "Volts"
curv?
[ 4.86 4.86 4.82 ..., 4.84 4.88 4.88]
CH3:scale?
:CH3:SCALE 5.0E-1
measu:imm:val?
:MEASUREMENT:IMMED:VALUE 4.0E-4
measu:imm:val?
:MEASUREMENT:IMMED:VALUE 1.4E-3
measu:imm:val?
:MEASUREMENT:IMMED:VALUE 9.99999046E-2
measu:imm:val?
:MEASUREMENT:IMMED:VALUE 4.9288582802E0
wfmpre?
:WFMPRE:BYT_NR 1;BIT_NR 8;ENCDG BIN;BN_FMT RI;BYT_OR LSB;NR_PT 2500;WFID "Ch3, DC coupling, 5.0E-1 V/div, 5.0E-2 s/div, 2500 points, Sample mode";PT_FMT Y;XINCR 2.0E-4;PT_OFF 0;XZERO -1.5E-1;XUNIT "s";YMULT 2.0E-2;YZERO 0.0E0;YOFF -2.21E2;YUNIT "Volts"
curv?
got from Serial: [ 4.9 4.94 4.92 ..., 4.94 4.92 4.94]
"""
_reqL = iter( _reqStr[1:-1].split('\n'))
class DummyScope(TektronixScope):
_idStr = 'Dummy'
_rbuf = None
_vars = {}
while 1:
try:
kreq = _reqL.next()
print kreq,
resp = _reqL.next()
print resp
except StopIteration:
break
print 'done'
def connect(self):
pass
def clear(self):
self._haveCmd = 0
def identify(self):
pass
def read(self):
# feed back byte of response
byt = self._rbuf[0]
if byt!='\n':
self._rbuf = self._rbuf[1:]
else:
self._rbuf=None
return byt
def readline(self):
# feedback all of response
return self.rbuf
def _req(self, buf):
print 'req: ', buf
self._rbuf=''
def _cmd(self, key, val):
print 'set %s = %s '%(key, val)
self._vars[key]=val
self._rbuf=None
def write(self, buf):
buf=buf.strip()
if buf[-1]=='?':
self._req(buf)
return
bufL = buf.split(' ')
n = len(bufL)
if n==2: # set
self._cmd(bufL[0], bufL[1])
return
if __name__=='__main__':
tds2024 = DummyScope(port=None, debug=True)
mT = ('FALL', 'RISE', 'PK2P', 'CRMS')
tds2024.setTrigger(level=4.56, holdo=None, mode='NORMAL', typ='EDGE', trigD={'SOU':'CH3'})
print tds2024.getTrigger(forceAcq=True)
acqD = {3:mT, 2: mT, 1: mT}
tds2024.acquire(acqD )
pl=ScopeDisplay(tds2024)
pl.plotChannel(3)
pl.plotChannel(2, scopeView=False)
pl.plotChannel(1, scopeView=False)
pl.plotAll()
pl.annotate_plots( )
pl.show()