Can Asus Tinker Board run LINUXCNC

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07 Nov 2019 00:18 #149781 by andypugh

I guess I just meant that that using halcompile outside of the norrnal LinuxCNC source tree for hm2 drivers seem odd


I agree, It might be worth trying an in-tree build, but it really did look to have gone smoothly, and it appeared to execute too.

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07 Nov 2019 02:42 #149799 by terry1992
There are no hw_intf.conf in the boot folder of my tinker.
I think it might because of that the OS I use is armbian.
So I checked the hardware function again.


And just for refrence. The result of readhmid are as follows
atech@tinkerboard:~$ cd mesaflash
atech@tinkerboard:~/mesaflash$ sudo ./mesaflash --device 7I90 --spi --addr /dev/spidev2.0 --readhmid
[sudo] password for atech: 
unable to set bpw32, fallback to bpw8
Configuration Name: HOSTMOT2

General configuration information:

  BoardName : MESA7I90
  FPGA Size: 9 KGates
  FPGA Pins: 144
  Number of IO Ports: 3
  Width of one I/O port: 24
  Clock Low frequency: 100.0000 MHz
  Clock High frequency: 200.0000 MHz
  IDROM Type: 3
  Instance Stride 0: 4
  Instance Stride 1: 64
  Register Stride 0: 256
  Register Stride 1: 256

Modules in configuration:

  Module: WatchDog
  There are 1 of WatchDog in configuration
  Version: 0
  Registers: 3
  BaseAddress: 0C00
  ClockFrequency: 100.000 MHz
  Register Stride: 256 bytes
  Instance Stride: 4 bytes

  Module: IOPort
  There are 3 of IOPort in configuration
  Version: 0
  Registers: 5
  BaseAddress: 1000
  ClockFrequency: 100.000 MHz
  Register Stride: 256 bytes
  Instance Stride: 4 bytes

  Module: QCount
  There are 4 of QCount in configuration
  Version: 2
  Registers: 5
  BaseAddress: 3000
  ClockFrequency: 100.000 MHz
  Register Stride: 256 bytes
  Instance Stride: 4 bytes

  Module: PWM
  There are 4 of PWM in configuration
  Version: 0
  Registers: 5
  BaseAddress: 4100
  ClockFrequency: 200.000 MHz
  Register Stride: 256 bytes
  Instance Stride: 4 bytes

  Module: StepGen
  There are 8 of StepGen in configuration
  Version: 2
  Registers: 10
  BaseAddress: 2000
  ClockFrequency: 100.000 MHz
  Register Stride: 256 bytes
  Instance Stride: 4 bytes

  Module: LED
  There are 1 of LED in configuration
  Version: 0
  Registers: 1
  BaseAddress: 0200
  ClockFrequency: 100.000 MHz
  Register Stride: 256 bytes
  Instance Stride: 4 bytes

Configuration pin-out:

IO Connections for P1
Pin#  I/O   Pri. func    Sec. func       Chan      Pin func        Pin Dir

 1      0   IOPort       QCount           1        Quad-B          (In)
 3      1   IOPort       QCount           1        Quad-A          (In)
 5      2   IOPort       QCount           0        Quad-B          (In)
 7      3   IOPort       QCount           0        Quad-A          (In)
 9      4   IOPort       QCount           1        Quad-IDX        (In)
11      5   IOPort       QCount           0        Quad-IDX        (In)
13      6   IOPort       PWM              1        PWM             (Out)
15      7   IOPort       PWM              0        PWM             (Out)
17      8   IOPort       PWM              1        Dir             (Out)
19      9   IOPort       PWM              0        Dir             (Out)
21     10   IOPort       PWM              1        /Enable         (Out)
23     11   IOPort       PWM              0        /Enable         (Out)
25     12   IOPort       QCount           3        Quad-B          (In)
27     13   IOPort       QCount           3        Quad-A          (In)
29     14   IOPort       QCount           2        Quad-B          (In)
31     15   IOPort       QCount           2        Quad-A          (In)
33     16   IOPort       QCount           3        Quad-IDX        (In)
35     17   IOPort       QCount           2        Quad-IDX        (In)
37     18   IOPort       PWM              3        PWM             (Out)
39     19   IOPort       PWM              2        PWM             (Out)
41     20   IOPort       PWM              3        Dir             (Out)
43     21   IOPort       PWM              2        Dir             (Out)
45     22   IOPort       PWM              3        /Enable         (Out)
47     23   IOPort       PWM              2        /Enable         (Out)

IO Connections for P2
Pin#  I/O   Pri. func    Sec. func       Chan      Pin func        Pin Dir

 1     24   IOPort       StepGen          0        Step/Table1     (Out)
 3     25   IOPort       StepGen          0        Dir/Table2      (Out)
 5     26   IOPort       StepGen          0        Table3          (Out)
 7     27   IOPort       StepGen          0        Table4          (Out)
 9     28   IOPort       StepGen          0        Table5          (Out)
11     29   IOPort       StepGen          0        Table6          (Out)
13     30   IOPort       StepGen          1        Step/Table1     (Out)
15     31   IOPort       StepGen          1        Dir/Table2      (Out)
17     32   IOPort       StepGen          1        Table3          (Out)
19     33   IOPort       StepGen          1        Table4          (Out)
21     34   IOPort       StepGen          1        Table5          (Out)
23     35   IOPort       StepGen          1        Table6          (Out)
25     36   IOPort       StepGen          2        Step/Table1     (Out)
27     37   IOPort       StepGen          2        Dir/Table2      (Out)
29     38   IOPort       StepGen          2        Table3          (Out)
31     39   IOPort       StepGen          2        Table4          (Out)
33     40   IOPort       StepGen          2        Table5          (Out)
35     41   IOPort       StepGen          2        Table6          (Out)
37     42   IOPort       StepGen          3        Step/Table1     (Out)
39     43   IOPort       StepGen          3        Dir/Table2      (Out)
41     44   IOPort       StepGen          3        Table3          (Out)
43     45   IOPort       StepGen          3        Table4          (Out)
45     46   IOPort       StepGen          3        Table5          (Out)
47     47   IOPort       StepGen          3        Table6          (Out)

IO Connections for P3
Pin#  I/O   Pri. func    Sec. func       Chan      Pin func        Pin Dir

 1     48   IOPort       StepGen          4        Step/Table1     (Out)
 3     49   IOPort       StepGen          4        Dir/Table2      (Out)
 5     50   IOPort       StepGen          4        Table3          (Out)
 7     51   IOPort       StepGen          4        Table4          (Out)
 9     52   IOPort       StepGen          4        Table5          (Out)
11     53   IOPort       StepGen          4        Table6          (Out)
13     54   IOPort       StepGen          5        Step/Table1     (Out)
15     55   IOPort       StepGen          5        Dir/Table2      (Out)
17     56   IOPort       StepGen          5        Table3          (Out)
19     57   IOPort       StepGen          5        Table4          (Out)
21     58   IOPort       StepGen          5        Table5          (Out)
23     59   IOPort       StepGen          5        Table6          (Out)
25     60   IOPort       StepGen          6        Step/Table1     (Out)
27     61   IOPort       StepGen          6        Dir/Table2      (Out)
29     62   IOPort       StepGen          6        Table3          (Out)
31     63   IOPort       StepGen          6        Table4          (Out)
33     64   IOPort       StepGen          6        Table5          (Out)
35     65   IOPort       StepGen          6        Table6          (Out)
37     66   IOPort       StepGen          7        Step/Table1     (Out)
39     67   IOPort       StepGen          7        Dir/Table2      (Out)
41     68   IOPort       StepGen          7        Table3          (Out)
43     69   IOPort       StepGen          7        Table4          (Out)
45     70   IOPort       StepGen          7        Table5          (Out)
47     71   IOPort       StepGen          7        Table6          (Out)

I also tried to do loadrt hm2_spi.
The result are as follows
atech@tinkerboard:~/linuxcnc-dev/src$ halrun
halcmd: loadrt hostmot2
Waiting for component 'hostmot2' to become ready.....Waited 3 seconds for master.  giving up.
.Note: Using POSIX realtime
hm2: loading Mesa HostMot2 driver version 0.15

halcmd: loadrt hm2_spi spidev_path="/dev/spidev2.0"
probe 24000000
hm2_spi: rtapi_app_main: Permission denied (-13)
<stdin>:2: waitpid failed /home/atech/linuxcnc-dev/bin/rtapi_app hm2_spi
<stdin>:2: /home/atech/linuxcnc-dev/bin/rtapi_app exited without becoming ready
<stdin>:2: insmod for hm2_spi failed, returned -1
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07 Nov 2019 12:36 #149845 by andypugh
Are you sure that the board is in SPI2 and not SPI0?

Possibly SPI and SPIDEV are mutually exclusive?

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08 Nov 2019 02:06 #149898 by terry1992
Yes, the 7i90hd card is connect to the spi2 pin of the tinker.( pin19=TX, pin21=RX, pin 23=CLK, pin24=csN0 )



However, I cannot tell if the hm2_tkboard use spi0 or spi2 from the source code.
I connect to spi2 because the author of the driver and the youtube video tell me it use spi2.

I also tried to do the spi communication when the spi2 is turned off and when spi2dev is turned off.(test1 & test2)

test1: spi2 : off spi2dev: on;

test2: spi2 : on spi2dev: off;


Both of the test shows cannot find device.
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12 Nov 2019 23:48 - 14 Nov 2019 01:07 #150260 by berin
HI I have been working on a similar project one of my post's links to a lot of information. I also have files from people somewhere who have gotten the tinkerboard working well with mesa controlelrs. The issue is you need to have a HAL driver for the GPIO. OR you can use an ethernet MESA card. but anything running via the gpio I believe needs a hal driver for lcnc. There is a guy who has been promising to produce a GPIO direct control to treat the GPIO I/O pins them selfs like a parallel port. But he has not produced any files yet that I know of. When ever/if he does I'll post them on my armbian post which I linked in an other post on/in this topic/forum. If your interested in any of the files I have on hand. I'd have to dig them out.
Last edit: 14 Nov 2019 01:07 by berin.
The following user(s) said Thank You: terry1992

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18 Nov 2019 00:24 #150551 by terry1992
Sounds like the hm2_tkboard not include the GPIO driver of the Tinker board. So if I got the GPIO dirver I have to load it before I load the hm2_tkboard.

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18 Nov 2019 00:35 - 18 Nov 2019 00:37 #150552 by berin
unless I'm mistaken I have a copy of the hm2_tkboard files. that are from the person who posted the lcnc using a tinkerboard. BUT.. THAT IS BASED on the mesa controller
Last edit: 18 Nov 2019 00:37 by berin.

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19 Nov 2019 16:55 #150664 by viski

I have tried to get printer port address form the terminal.
Here is what I got
root@LinuxCNC-terry:/home/atech# cat /proc/ioports | grep parport
  0378-037a : parport0

So I tried the readhmid command. The result are as follows
atech@LinuxCNC-terry:~$ sudo mesaflash --device 7i90 --epp --addr 0x0378 --readhmid
[sudo] password for atech: 
failed to clear EPP Timeout!
EPP timeout on data cycle of read(addr=0x0000, size=4)
failed to clear EPP Timeout!
EPP timeout on data cycle of read(addr=0x0100, size=4)
failed to clear EPP Timeout!
No 7I90 board found

Is there anything wrong? Can anyone help me?


I have the same problem . Did you solved ?

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20 Nov 2019 00:33 #150702 by terry1992
Yes, it have been solved.

I checked following items
1. turn the function of the parallel port to EPP 1.9
( in my PC, the function was blocked by default. It needs to change the bios version.)
2. make sure the wire is good and carefully connected.

good luck

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