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Arduino based USB Pendant for Linuxcnc

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18 Sep 2016 12:55 - 18 Sep 2016 13:22 #80560 by Tchefter
Replied by Tchefter on topic Arduino based USB Pendant for Linuxcnc
well, i installed the last Arduino IDE to see what port is used,
it shows /dev/ttyACM0
So i changed this in serialcon to this
#define DEVICE "/dev/ttyACM0"
Should this be ok?
while nothing happens after:

fh@v3:~/linuxcnc/configs/CNCV3$ sudo halcompile --install serialcon2.comp
[sudo] password for fh:
gcc -Os -g -I. -I/usr/realtime-3.4-9-rtai-686-pae/include -I. -I/usr/realtime-3.4-9-rtai-686-pae/include -I/usr/include/i386-linux-gnu -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=0 -fno-math-errno -funsafe-math-optimizations -fno-rounding-math -fno-signaling-nans -fcx-limited-range -mhard-float -DRTAI=3 -fno-fast-math -mieee-fp -fno-unsafe-math-optimizations -DRTAPI -D_GNU_SOURCE -Drealtime -D__MODULE__ -I/usr/include/linuxcnc -Wframe-larger-than=2560 -URTAPI -U__MODULE__ -DULAPI -Os -o serialcon2 /tmp/tmp40WBeb/serialcon2.c -Wl,-rpath,/lib -L/lib -llinuxcnchal

Greetings Fritz

EDIT: i test the Port with the simple Blink-Example, that works...
Last edit: 18 Sep 2016 13:22 by Tchefter.

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18 Sep 2016 13:24 #80564 by ArcEye
Replied by ArcEye on topic Arduino based USB Pendant for Linuxcnc

So i changed this in serialcon to this
#define DEVICE "/dev/ttyACM0"
Should this be ok?


If that is the device port you are using, then it is correct.
/dev/ttyUSB0 is more normal, but depends on the board.

while nothing happens after:
fh@v3:~/linuxcnc/configs/CNCV3$ sudo halcompile --install serialcon2.comp
[sudo] password for fh:
gcc -Os -g -I. -I/usr/realtime-3.4-9-rtai-686-pae/include -I. -I/usr/realtime-3.4-9-rtai-686-pae/include -I/usr/include/i386-linux-gnu -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=0 -fno-math-errno -funsafe-math-optimizations -fno-rounding-math -fno-signaling-nans -fcx-limited-range -mhard-float -DRTAI=3 -fno-fast-math -mieee-fp -fno-unsafe-math-optimizations -DRTAPI -D_GNU_SOURCE -Drealtime -D__MODULE__ -I/usr/include/linuxcnc -Wframe-larger-than=2560 -URTAPI -U__MODULE__ -DULAPI -Os -o serialcon2 /tmp/tmp40WBeb/serialcon2.c -Wl,-rpath,/lib -L/lib -llinuxcnchal


Don't understand what you are trying to say.

The print just shows you have compiled the component and installed it to /usr/bin probably.

However please be aware you have compiled a component called serialcon2, but your hal file is loading a component called
serialcon

loadusr -W serialcon


The name of the file and the component must be the same as each other
github.com/LinuxCNC/linuxcnc/blob/master...ls/halcompile.g#L958
because otherwise halcompile would fail.

So you probably are trying to load a component which does not exist, albeit you haven't actually said what the problem is.
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18 Sep 2016 13:50 - 18 Sep 2016 13:54 #80565 by Tchefter
Replied by Tchefter on topic Arduino based USB Pendant for Linuxcnc

loadusr -W serialcon


The name of the file and the component must be the same as each other
github.com/LinuxCNC/linuxcnc/blob/master...ls/halcompile.g#L958
because otherwise halcompile would fail.

So you probably are trying to load a component which does not exist, albeit you haven't actually said what the problem is.


Holy Moly!!! I AM SO STUPID :ohmy: :ohmy: :ohmy: :lol:
Thank You ArcEye that was Problem, i forgot to change from serialcon to serialcon2

You made my Day ;) THANK YOU - God bless!
Last edit: 18 Sep 2016 13:54 by Tchefter.

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24 Sep 2016 17:47 - 24 Sep 2016 17:48 #80859 by Tchefter
Replied by Tchefter on topic Arduino based USB Pendant for Linuxcnc
Since I have to wait 3-4 weeks on the 7-segment displays, to build my external DRO, I thought I build the equivalent of ArcEye's Pendant also because all the material was in the drawer. The first test went well. Now I must learn as I adjust the fields on the keypad for me and as I have the DRO display on the counterpart and in Axis at the right side. The housing consists of 4 parts 8mm black MDF. The bottom and the lid are 6mm Plexiglas.
I have installed a red / green LED: red Estop is free, green machine is on :)
Thanks again! :)
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Last edit: 24 Sep 2016 17:48 by Tchefter.

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24 Sep 2016 20:41 #80869 by Rick G
Replied by Rick G on topic Arduino based USB Pendant for Linuxcnc
Looking Good!

Rick G
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25 Sep 2016 09:36 #80890 by ArcEye
Replied by ArcEye on topic Arduino based USB Pendant for Linuxcnc
Very good, looks like 'The Science Museum' version of my pendant, cut away to show the workings. :laugh:
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27 Sep 2016 04:45 - 27 Sep 2016 04:58 #80966 by Tchefter
Replied by Tchefter on topic Arduino based USB Pendant for Linuxcnc
Hello :)
i want use some MDI Commands on the Keypad.
My Thoughts where, change the output for the LCD in the INO File like this:
case '*':   // MDI 1
                    if(!bEstop && bMachine)
                        {
                        Serial.write('1');
                        lcd.setCursor(13, 2);
                        lcd.print("XY-0   ");  
                        }
                    break;
                        
            case '0':   // MDI 2
                    if(!bEstop && bMachine)
                        {
                        Serial.write('2');
                        lcd.setCursor(13, 2);
                        lcd.print("Z-0    "); 
                        }
                    break;
                                            
            case '#':   // MDI 3
                    if(!bEstop && bMachine)
                        {
                        Serial.write('3');
                        lcd.setCursor(13, 2);
                        lcd.print("CAM OFF");  
                        }
                    break;

and in the serialcon2 like this:
case '1':
                system("halcmd setp halui.mdi-command-01 1"); 
                system("halcmd setp halui.mdi-command-02 0"); 
                system("halcmd setp halui.mdi-command-05 0"); 
                break;                        
        case '2':
                system("halcmd setp halui.mdi-command-01 0"); 
                system("halcmd setp halui.mdi-command-02 1"); 
                system("halcmd setp halui.mdi-command-05 0");
                break;                        
        case '3':
                system("halcmd setp halui.mdi-command-01 0"); 
                system("halcmd setp halui.mdi-command-02 0"); 
                system("halcmd setp halui.mdi-command-05 1"); 
                break;

Must i add the Commands in my postguil.hal like this ?
net remote-xy-home halui.mdi-command-01 <= serialcon2.xy-home
net remote-z-home halui.mdi-command-02 <= serialcon2.z-home
net remote-fraeser0- halui.mdi-command-05 <= serialcon2.fraeser0-

Or w/o the <=

This is my current custom_postgui.hal
# Benutzerdefinierte HAL-Anweisungen können nachfolgend angegeben werden
# Die Befehle in dieser Datei werden nach der AXIS GUI (und PyVCP-Panel) ausgeführt.

loadusr -W serialcon2

net Xpos halui.axis.0.pos-relative serialcon2.xposition
net Ypos halui.axis.1.pos-relative serialcon2.yposition
net Zpos halui.axis.2.pos-relative serialcon2.zposition

loadrt mult2
addf mult2.0 servo-thread
setp mult2.0.in1 60
net vel-sec <= motion.current-vel => mult2.0.in0 
net vel-min  <= mult2.0.out => pyvcp.mmmin

sets spindle-at-speed true
net remote-rapid-to-home halui.mdi-command-00 <= pyvcp.rapid-to-home
net remote-xy-home halui.mdi-command-01 <= pyvcp.xy-home
net remote-z-home halui.mdi-command-02 <= pyvcp.z-home
net remote-fraeser0+ halui.mdi-command-03 <= pyvcp.fraeser0+
net remote-fraeser0 halui.mdi-command-04 <= pyvcp.fraeser0
net remote-fraeser0- halui.mdi-command-05 <= pyvcp.fraeser0-
net remote-x halui.mdi-command-06 <= pyvcp.x
net remote-y halui.mdi-command-07 <= pyvcp.y
net remote-z halui.mdi-command-08 <= pyvcp.z
net remote-xyz halui.mdi-command-09 <= pyvcp.xyz

net Xpos halui.axis.0.pos-relative <= pyvcp.Xpos
net Ypos halui.axis.1.pos-relative <= pyvcp.Ypos
net Zpos halui.axis.2.pos-relative <= pyvcp.Zpos

And the [Halui] Section in my .ini File
[HALUI]
# HalUI-MDI-Befehle hier einfügen (max. 64)
MDI_COMMAND = G0 X0 Y0 Z0
MDI_COMMAND = G0 X0 Y0
MDI_COMMAND = G0 Z0
MDI_COMMAND = G0 X18.789 Y94.072
MDI_COMMAND = G0 X0 Y0
MDI_COMMAND = G0 X-18.789 Y-94.072
MDI_COMMAND = G92 X0 
MDI_COMMAND = G92 Y0 
MDI_COMMAND = G92 Z0
MDI_COMMAND = G92 X0 Y0 Z0

Thanks for your understanding :)

Greetings Fritz
Last edit: 27 Sep 2016 04:58 by Tchefter.

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27 Sep 2016 07:39 #80970 by ArcEye
Replied by ArcEye on topic Arduino based USB Pendant for Linuxcnc
You can change the LCD output and the actual command activated to whatever you like.

Must i add the Commands in my postguil.hal like this ?

net remote-xy-home halui.mdi-command-01 <= serialcon2.xy-home
net remote-z-home halui.mdi-command-02 <= serialcon2.z-home
net remote-fraeser0- halui.mdi-command-05 <= serialcon2.fraeser0-


No.
The 'pins' you are linking do not exist, the MDI commands are already being activated by specific setp inside serialcon.
eg

system("halcmd setp halui.mdi-command-01 1");

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27 Sep 2016 08:01 #80972 by Tchefter
Replied by Tchefter on topic Arduino based USB Pendant for Linuxcnc

The 'pins' you are linking do not exist, the MDI commands are already being activated by specific setp inside serialcon.

Thats what i have tried, but no Response in LinuxCNC, only my Text on the LCD changes.

For my Understanding:

The Key i press sends the Arduino ie. "1" to serialcon2
serialcon2 sends i.e. MDI-Command-01 with 1 to postgui.hal
postguihal. Looks what "01" is and fire up the Command that stands in the [Halui] Section...

Is that correct on the whole?

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27 Sep 2016 08:15 #80975 by ArcEye
Replied by ArcEye on topic Arduino based USB Pendant for Linuxcnc

The Key i press sends the Arduino ie. "1" to serialcon2


Correct

serialcon2 sends i.e. MDI-Command-01 with 1 to postgui.hal


Wrong, postgui.hal is just a file that is processed after the GUI is built, because pyvcp pins will not have been created
until then.

serialcon executes the command which changes the state of a halui pin

postguihal. Looks what "01" is and fire up the Command that stands in the [Halui] Section...


halui looks up the MDI command which relates to the number and executes that.
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