PM100D.py
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from abstract_instrument import abstract_instrument
import os
#==============================================================================
ALL_VAL_TYPE = "PWR"
#==============================================================================
class PM100D(abstract_instrument):
def __init__(self, adress="/dev/usbtmc0", vtype="PWR"):
self.adress = adress
self.vtype = vtype
def model(self):
self.send("*IDN?")
return self.read()
def connect(self):
try:
print('Connecting to device @%s...' %(self.adress))
self.FILE = os.open(self.adress, os.O_RDWR)
print(' --> Ok')
print(self.model())
if self.vtype == "PWR":
1
else:
print("Wrong -v argument")
raise
except Exception as er:
print("Unexpected error during connection: " + str(er))
raise
def getValue(self):
self.send("READ?")
return self.read()
def read(self):
return os.read(self.FILE, 300)
def disconnect(self):
self.send('*RST')
def send(self, command):
os.write(self.FILE, command)