How to make the remapping code realize the jog movement?

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13 Dec 2021 07:34 #228998 by chen1234
I encountered a problem when controlling the operation of the scan head.
I needed to receive a high level signal, and I had to control the Z axis to move to a position (this position can be set) every time I receive it.
But I can't execute this code in the G code file at present (error: can't do that (EMC_TASK_PLAN_EXECUTE) in auto mode with the interperter reading ...), it tells me that it must be executed in MDI mode,
what should I do To realize the remapping code to control the movement of the Z axis?I use Linuxcnc2.9
Please help me, thanks, here is my code:
#!/usr/bin/env python3

import struct
import sys 
import os
from interpreter import *
import hal
import linuxcnc

def m203(self,**words):
    yield INTERP_EXECUTE_FINISH
    if self.task:
        list = []
        for key in words:
            print("word '%s' = %f" % (key, words[key]))
            list.append(words[key])
        
        a = list[0]
        print("a=",a)
        while 1:
            x = hal.get_value('lcec.0.5.RXPDO-5') #io address 
            print('x_in5 =',x)
            if x == 1:
                print("in5 = 1")
                c = linuxcnc.command()
                c.mdi("G0 Z%d"%a)
                break
            elif x == 0:
                print("in5 = 0")
                break 

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13 Dec 2021 21:08 #229027 by cmorley
Dont use c.mdi
Use self.execute()

Yield command should be usef only after a command that you must wait for it to finish before the next command.
The following user(s) said Thank You: chen1234

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14 Dec 2021 00:46 #229033 by chen1234

Dont use c.mdi
Use self.execute()

Yield command should be usef only after a command that you must wait for it to finish before the next command.

Thank you for your answer, but how should I use it: self.execute(), where can I see this function?

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14 Dec 2021 01:39 #229034 by cmorley
instead of
  c.mdi("G0 Z%d"%a)

use:
self.execute("G0 Z %d"%a)
The following user(s) said Thank You: chen1234

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