M68 alternative
01 Apr 2019 14:37 #130098
by sdf
M68 alternative was created by sdf
Is there a way to send a value from a gcode to pyvcp?
I know about M68 but it is limited to only 4 variables, is there any alternative?
I know about M68 but it is limited to only 4 variables, is there any alternative?
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01 Apr 2019 15:06 - 01 Apr 2019 15:07 #130102
by PCW
Replied by PCW on topic M68 alternative
M68 can use up to 64 variables by setting the "num_aio" parameter when motion is loaded.
( man motion )
( man motion )
Last edit: 01 Apr 2019 15:07 by PCW.
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- Todd Zuercher
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01 Apr 2019 15:47 #130107
by Todd Zuercher
Replied by Todd Zuercher on topic M68 alternative
Another option is to directly "setp" the value of hal pins (or signals with "sets") with custom M-codes.
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02 Apr 2019 04:54 #130132
by sdf
Yeah , this is solved the problem.
Replied by sdf on topic M68 alternative
M68 can use up to 64 variables by setting the "num_aio" parameter when motion is loaded.
( man motion )
Yeah , this is solved the problem.
loadrt [EMCMOT]EMCMOT base_period_nsec=[EMCMOT]BASE_PERIOD servo_period_nsec=[EMCMOT]SERVO_PERIOD num_joints=[KINS]JOINTS
loadrt [EMCMOT]EMCMOT base_period_nsec=[EMCMOT]BASE_PERIOD servo_period_nsec=[EMCMOT]SERVO_PERIOD num_joints=[KINS]JOINTS num_aio=64Please Log in or Create an account to join the conversation.
02 Apr 2019 04:55 #130134
by sdf
not sure what do you mean, can you give an example how it is done?
Replied by sdf on topic M68 alternative
Another option is to directly "setp" the value of hal pins (or signals with "sets") with custom M-codes.
not sure what do you mean, can you give an example how it is done?
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02 Apr 2019 12:54 #130154
by Todd Zuercher
Replied by Todd Zuercher on topic M68 alternative
Look at the M100 example here in the documentation.
linuxcnc.org/docs/html/gcode/m-code.html#mcode:m100-m199
That example uses M100PnQnn to set the value of two hal pins equal to n and nn.
linuxcnc.org/docs/html/gcode/m-code.html#mcode:m100-m199
That example uses M100PnQnn to set the value of two hal pins equal to n and nn.
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