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  • PCW
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24 Mar 2025 15:02 - 24 Mar 2025 15:16
Replied by PCW on topic Spindle keep accelerating

Spindle keep accelerating

Category: Basic Configuration

What are the spindle P terms (in the ini file)

In general for spindle setup, I would get open loop operation
running correctly first before trying to close the loop.

Basically if you have a spindle PID loop, this means setting
FF0 to 1  and all other PID gains to 0
 
  • PCW
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24 Mar 2025 14:43 - 24 Mar 2025 14:52

correspondence of unused i/o pins to physical connector location?

Category: PnCConf Wizard

Your table is missing the channel data, not sure why, but this is what I get:

IO Connections for TB1/TB2 -> 7I96_1
Pin#                  I/O   Pri. func    Sec. func        Chan     Sec. Pin func   Sec. Pin Dir

TB1-2,3                17   IOPort       StepGen          0        Step/Table1     (Out)
TB1-4,5                18   IOPort       StepGen          0        Dir/Table2        (Out)
TB1-8,9                19   IOPort       StepGen          1        Step/Table1      (Out)
TB1-10,11            20   IOPort       StepGen          1        Dir/Table2        (Out)
TB1-14,15            21   IOPort       StepGen          2        Step/Table1      (Out)
TB1-16,17            22   IOPort       StepGen          2        Dir/Table2        (Out)
TB1-20,21            23   IOPort       StepGen          3        Step/Table1      (Out)
TB1-22,23            24   IOPort       StepGen          3        Dir/Table2        (Out)
TB2-2,3                25   IOPort       StepGen          4        Step/Table1      (Out)
TB2-4,5                26   IOPort       StepGen          4        Dir/Table2        (Out)
TB2-7,8                27   IOPort       QCount            0        Quad-A            (In)
TB2-10,11            28   IOPort       QCount            0        Quad-B            (In)
TB2-13,14            29   IOPort       QCount            0        Quad-IDX         (In)
TB2-16,17            30   IOPort       SSerial             0        RXData0          (In)
TB2-18,19            31   IOPort       SSerial             0        TXData0          (Out)
Internal-TXEn       32   IOPort       SSerial             0        TXEn0             (Out)
Internal                33   IOPort       SSR                  0        AC Ref            (Out)

Default firmware on a 7I96S is 7i96s_d.bin

 
  • PCW
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24 Mar 2025 14:25
Replied by PCW on topic TP Signal on 7i92

TP Signal on 7i92

Category: Driver Boards

Currently they time the RX and TX data transfer overhead:

EtherRecv2Mem
        sta     SetTP0
        lda     recvfcount      ; already doing a multi frame recv,
        jmpnz   recvframe       ; so skip the prelims   

.......

recvdone
        lwi     1
        addto   recvpktcount
        lwi     MinusSix                ;adjust for CRC and 2 byte offset
        addto   recvpktsize
        sta     ClrTP0
        ret

EtherSendFromMem
        sta     SetTP1
        lda     sendpktsize             
        add     threeloc

.......

        lwi     1
        addto   sendpktcount  
        sta     ClrTP1
        ret     




 
  • pgf
  • pgf
24 Mar 2025 14:04

correspondence of unused i/o pins to physical connector location?

Category: PnCConf Wizard

Although, I don't understand why the pin func for the Stepgens are all "Step/Table1" and "Dir/Table2". I would have expected an index between 1 and 5 (or 0 and 4).
IO Connections for TB1/TB2 -> 7I96_1
Pin#                  I/O   Pri. func    Sec. func  Sec. Pin func   Sec. Pin Dir

TB1-2,3                17   IOPort       StepGen    Step/Table1     (Out)
TB1-4,5                18   IOPort       StepGen    Dir/Table2      (Out)
TB1-8,9                19   IOPort       StepGen    Step/Table1     (Out)
TB1-10,11              20   IOPort       StepGen    Dir/Table2      (Out)
TB1-14,15              21   IOPort       StepGen    Step/Table1     (Out)
TB1-16,17              22   IOPort       StepGen    Dir/Table2      (Out)
TB1-20,21              23   IOPort       StepGen    Step/Table1     (Out)
TB1-22,23              24   IOPort       StepGen    Dir/Table2      (Out)
TB2-2,3                25   IOPort       StepGen    Step/Table1     (Out)
TB2-4,5                26   IOPort       StepGen    Dir/Table2      (Out)
TB2-7,8                27   IOPort       QCount     Quad-A          (In)
TB2-10,11              28   IOPort       QCount     Quad-B          (In)
TB2-13,14              29   IOPort       QCount     Quad-IDX        (In)
TB2-16,17              30   IOPort       SSerial    RXData0         (In)
TB2-18,19              31   IOPort       SSerial    TXData0         (Out)
Internal-TXEn          32   IOPort       SSerial    TXEn0           (Out)
Internal               33   IOPort       SSR        AC Ref          (Out)
  • pgf
  • pgf
24 Mar 2025 13:57

correspondence of unused i/o pins to physical connector location?

Category: PnCConf Wizard

If not you can redirect the mesaflash output to a text file.
Don't mind me I still spend a bit of time using the command line in Linux. Just find it can be a bit quicker at times.

No need to apologize.  I've been working at Unix/Linux command line prompts since 1980.

mesaflash has provided me with the table I wanted.
  • unknown
  • unknown
24 Mar 2025 13:48

correspondence of unused i/o pins to physical connector location?

Category: PnCConf Wizard

There's so many different configs available, and you can even build your own firmware from source. So the manual is pretty generic.

Off track
I haven't use the 7i96, I have a 7i92/7i76 for the mill, with a couple of extra boards, I've hacked to together some FPGA dev boards to use self built 7c81/7i90 firmware. SPI & EPP is easy pcb wise, but I'm having a go at a board using ethernet based on the 7i92 schematics.
On Track

The mesa hardware & firmware is really versatile. Actually the 7i90 would be a great way to learn to program FPGAs as the I\O is 5v tolerant, most dev boards are only good for 3.3v or the smoke comes out.
  • unknown
  • unknown
24 Mar 2025 13:41

PCIe - No parport registered at "0x " . This is not Always an error.Continuing.

Category: Advanced Configuration

If you mc (midnight commander) installed on the client or host it's real simple to transfer files.

Or some file managers let you type something like sftp://username@hostname

LinuxMint using caja, one has to have the gvfs installed. So I'm using sftp to look at my server, but as long as ssh is on the client your good, no need to have a ssh session running. Yeah the server is named after a "Happy Tree Friends" character cos I'm a 50+ yro child.

 
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