91 lines
2.4 KiB
Python
91 lines
2.4 KiB
Python
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import serial
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ID_CMD=b'*IDN?\n'
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CLS_CMD=b'*CLS\n'
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RUN_CMD=b':RUN\n'
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STOP_CMD=b':STOP\n'
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SINGLE_CMD=b':SINGle\n'
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TIME_SCALE_CMD=b':TIMebase:SCALe '
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CHANNEL_SCALE_PRE_CMD=b':CHANnel'
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CHANNEL_SCALE_AFTER_CMD=b':SCALe '
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ENABLE_MEASURE_PERIOD_CMD=b':MEASure:PERiod CHANnel'
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GET_MEASURE_PERIOD_CMD=b':MEASure:PERiod? CHANnel'
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CLS_MEASURE_CMD=b':MEASure:CLEar\n'
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P_E_RCMD=b'SYSTem:ERRor?\r\n'
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P_S_RCMD=b'OUTPut:STATe?\r\n'
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class inst_oscilloscope:
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def __init__(self,com,band):
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self.ser = serial.Serial(com,band,bytesize=8, parity='N', stopbits=1,timeout=1)
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print("*-----------------------------*")
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print("* Oscilloscope Connected. *")
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def no_ret_cmd(self,ser,cmd):
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ser.write(cmd)
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def ret_cmd(self,ser,cmd):
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ser.write(cmd)
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s=ser.readline()
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print(bytes.decode(s))
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return bytes.decode(s)
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def clear_err(self):
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self.no_ret_cmd(self.ser,CLS_CMD)
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print("Clear err status")
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def get_id(self):
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print("* Get device info *")
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self.clear_err()
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self.ret_cmd(self.ser,ID_CMD)
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def run(self):
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print("* Oscilloscope Run *")
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self.clear_err()
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self.ret_cmd(self.ser,RUN_CMD)
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def stop(self):
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print("* Oscilloscope Stop *")
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self.clear_err()
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self.ret_cmd(self.ser,STOP_CMD)
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def single(self):
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print("* Oscilloscope single *")
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self.clear_err()
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self.ret_cmd(self.ser,SINGLE_CMD)
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def time_scale(self,val_str):
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print("* Time scale *")
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self.clear_err()
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s= str.encode(str(TIME_SCALE_CMD, encoding = "utf-8")+val_str+'\n')
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print(s)
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self.no_ret_cmd(self.ser,s)
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def channel_scale(self,chan,val_str):
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print("* Channel scale *")
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self.clear_err()
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s= str.encode(str(CHANNEL_SCALE_PRE_CMD, encoding = "utf-8")+str(chan)+str(CHANNEL_SCALE_AFTER_CMD, encoding = "utf-8")+val_str+'\n')
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print(s)
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self.no_ret_cmd(self.ser,s)
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def trigger(self,chan,val_str):
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print("* Set trigger *")
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self.clear_err()
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def measure_period(self,chan):
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print("* Measure period *")
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self.clear_err()
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self.no_ret_cmd(self.ser,CLS_MEASURE_CMD)
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s= str.encode(str(ENABLE_MEASURE_PERIOD_CMD, encoding = "utf-8")+str(chan)+'\n')
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print(s)
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self.no_ret_cmd(self.ser,s)
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g= str.encode(str(GET_MEASURE_PERIOD_CMD, encoding = "utf-8")+str(chan)+'\n')
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print(g)
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self.ret_cmd(self.ser,g)
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def close(self):
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print("* Oscilloscope unConnected. *")
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print("*-----------------------------*")
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