On Thursday 03 November 2016 21:07:32 Gene Heskett wrote:
> On Thursday 03 November 2016 18:04:14 W. Martinjak wrote:
> > On 2016-11-03 21:57, Gene Heskett wrote:
> > > Must be time to rig a psu for it, and see if I can hook it to the
> > > pi. Damn I wish I had a monitor on the pi. But that
> > > connector/adapter is in a bag, someplace in the USPS system. And
> > > in a separate order, a $16 swinging wall mount for the monitor so
> > > I can mount it well above the spindle end of it, on a stick of now
> > > rusty 1.5" square tubing.
> >
> > Gene,
> >
> > I believe for testing the SPI connection ssh will do it.
> >
> > The hostmot2 part of the ini file should have:
> >
> > [HOSTMOT2]
> > DRIVER=hm2_rpspi
> > BOARD=7i90
> > CONFIG=""
> >
> >
> > but I think you know that.
> >
> > Testing with halcmd:
> >
> > halcmd loadrt hostmot2
> > halcmd loadrt hm2_rpspi
> >
> > expected output:
> >
> > Base:hm2_7i90.0hm2/hm2_7i90.0: 72 I/O Pins used:
> > hm2/hm2_7i90.0: IO Pin 000 (P1-01): StepGen #0, pin Step
> > (Output) hm2/hm2_7i90.0: IO Pin 001 (P1-03): StepGen #0, pin
> > Direction (Output) hm2/hm2_7i90.0: IO Pin 002 (P1-05): StepGen
> > #1, pin Step (Output) hm2/hm2_7i90.0: IO Pin 003 (P1-07):
> > StepGen #1, pin Direction (Output) hm2/hm2_7i90.0: IO Pin 004
> > (P1-09): Encoder #0, pin A (Input) hm2/hm2_7i90.0: IO Pin 005
> > (P1-11): Encoder #2, pin A (Input) hm2/hm2_7i90.0: IO Pin 006
> > (P1-13): Encoder #0, pin B (Input) hm2/hm2_7i90.0: IO Pin 007
> > (P1-15): Encoder #2, pin B (Input) hm2/hm2_7i90.0: IO Pin 008
> > (P1-17): Encoder #0, pin Index (Input) hm2/hm2_7i90.0: IO Pin
> > 009 (P1-19): Encoder #2, pin Index (Input) hm2/hm2_7i90.0: IO
> > Pin 010 (P1-21): Encoder #1, pin A (Input) hm2/hm2_7i90.0: IO
> > Pin 011 (P1-23): Encoder #3, pin A (Input) hm2/hm2_7i90.0: IO
> > Pin 012 (P1-25): Encoder #1, pin B (Input) hm2/hm2_7i90.0: IO
> > Pin 013 (P1-27): Encoder #3, pin B (Input) hm2/hm2_7i90.0: IO
> > Pin 014 (P1-29): Encoder #1, pin Index (Input) .....
> > etc
> >
> > Good luck again!
> >
> >
> > Matsche
>
> All of which I would be glad to verify, but first, connect the right
> pins to the right pins when the writers of the 7i90HD pdf, and the
> colored images you sent, are in 2 differing dialects of english. spi0
> clock, and a ground was easy enough, but I'd druther be stumped with
> good boards in front of me, than plug it in wrong and blow $103 worth
> of pi or 7i90HD.
>
> Thanks.
>
> Cheers, Gene Heskett
I have it connected. I think since no one has responded with
a translation of the two different dialects of swahili.
From 7i90 P4-11=SPICLK to R-pi pin 23="SPI0 SCLK"
From 7i90 P4-13=SPIIN to R-Pi pin 21="SPI0 MISO"
From 7i90 P4-15=SPIOUT to R-Pi pin 19="SPI0 MISI"
From 7i90 P4-17=/SPICS to R-Pi pin 24="SPI0 CS0"
I have interchanged the MSII and MSIO connections, and I have tried both
of the R-Pi's SPI0 CS0 and SPI0 CS1's.
The only response I am getting for this second line of the test above,
for all the hookup variations I have tried;
halcmd loadrt hm2_rpspi
is:
gene@raspberrypi:~/linuxcnc/configs/by_interface.mesa.hm2-stepper $
halcmd loadrt hm2_rpspi
Note: Using POSIX realtime
hm2_rpspi: dlopen: /usr/lib/linuxcnc/modules/hm2_rpspi.so: undefined
symbol: hm2_register
<commandline>:0: waitpid failed /usr/bin/rtapi_app hm2_rpspi
<commandline>:0: /usr/bin/rtapi_app exited without becoming ready
<commandline>:0: insmod for hm2_rpspi failed, returned -1
I do have an extra jumper connecting grounds between the boards.
A halcmd show is interesting:
gene@raspberrypi:~/linuxcnc/configs/by_interface.mesa.hm2-stepper $
halcmd show
Loaded HAL Components:
ID Type Name PID State
2 User halcmd7453 7453 ready
Component Pins:
Owner Type Dir Value Name
Pin Aliases:
Alias Original Name
Signals:
Type Value Name (linked to)
Parameters:
Owner Type Dir Value Name
Parameter Aliases:
Alias Original Name
Exported Functions:
Owner CodeAddr Arg FP Users Name
Realtime Threads:
Period FP Name ( Time, Max-Time )
Basically nothing there IOW.
Thanks, but I've tried, now its your turn to tell me whats wrong. Or if
I've toasted it all.
Cheers, Gene Heskett
--
"There are four boxes to be used in defense of liberty:
soap, ballot, jury, and ammo. Please use in that order."
-Ed Howdershelt (Author)
Genes Web page <http://geneslinuxbox.net:6309/gene>
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