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Prevented infinite loop

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last_d
2025-07-24 09:39:25 +02:00
parent fc44f5597f
commit ef769773f0
1 changed files with 11 additions and 2 deletions
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13
frappy_psi/capacitance_readings/TSSOP16.py
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@@ -7,6 +7,7 @@ from frappy.core import Readable, Parameter, FloatRange, HasIO, StringIO, Proper
class TSSOP16_IO(StringIO): class TSSOP16_IO(StringIO):
end_of_line = '\r' end_of_line = '\r'
wait_before = 0.0 #3.0 wait_before = 0.0 #3.0
timeout=3.0
identification = [ ('*IDN?', r'0x48,ACM1219,.*') ] identification = [ ('*IDN?', r'0x48,ACM1219,.*') ]
class TSSOP16(HasIO, Readable): class TSSOP16(HasIO, Readable):
@@ -16,7 +17,7 @@ class TSSOP16(HasIO, Readable):
value = Parameter('value', FloatRange(unit='pF'), readonly=True) value = Parameter('value', FloatRange(unit='pF'), readonly=True)
pollinterval = Parameter(default=0.1) pollinterval = Parameter(default=0.1)
def read_value(self): def read_off_cvt(self, recursive_layer=0):
try: try:
l = self.communicate('readCVT') l = self.communicate('readCVT')
vals = l.split(',') vals = l.split(',')
@@ -24,8 +25,16 @@ class TSSOP16(HasIO, Readable):
#print(vals) #print(vals)
return vals[0] return vals[0]
except: except:
return self.read_off_cvt()
traceback.print_exc() traceback.print_exc()
self.io.closeConnection() self.io.closeConnection()
self.io.connectStart() self.io.connectStart()
time.sleep(3.0) time.sleep(3.0)
return self.read_value() if(recursive_layer > 10):
return -1
else:
return self.read_off_cvt(recursive_layer+1)
def read_value(self):
res = self.read_off_cvt()
return res