Mesa 7i93/7i33/7i37 - easiest install?

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8 years 11 months ago #102528 by idea
none, I have an opto-isolator card i'll use for external I/O.

Are the daughter cards not simply protected breakout boards or SPI multipliers etc.?

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8 years 11 months ago #102530 by PCW
Mesa's daughterboards vary in complexity from ones with simple input conditioning/buffers
to ones that have multiple processors.

Things like PWM generation, step generation, encoder counting, etc
are usually done in the FPGA so simple buffered/isolated daughtercards are fine, but
Its likely you would need custom firmware for the FPGA to match the pinout of your
optoisolator card

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8 years 11 months ago #102531 by idea
Thats what I understood from the meager information on the mesa website. i'm not fussed about the pinout from the FPGA, i'll solder up a connector to match.

Are there any references for using the mesa ethernet boards? the 7i93 looks like it was only recently added as supported in linuxcnc and i've been unable to find much information regarding it.

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8 years 11 months ago #102532 by PCW
Basically all the Ethernet cards are identical as far as the LinuxCNC side goes, only the card name is different
The very specific information on the hal pins and parameters is in the hostmot2 manual page, This applies to all Mesa FPGA cards used with LinuxCNC.

The Ethernet driver setup is in the hm2_eth manual page.

While the 7I93 is not supported directly by the setup utility (pncconf), as indicated above you can choose another similar FPGA card, create hal and ini files and then edit these to support the 7I93

To check the actual firmware pinout, you can use mesaflash:

mesaflash --device 7i93 --readhmid

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8 years 11 months ago #102536 by idea
Thanks, that makes things a bit clearer. As I mentioned i've got as far as editing a basis file from 7i43-4 and svst4_4 as per the instructions.

But when i load up linuxcnc I get the error "parameter or pin 'hm2_7i93.0.pwmgen.pwm_frequency' not found" - line 9. The current hal and ini files are attached.

Do you have any suggestions?

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8 years 11 months ago #102537 by PCW
what does

mesaflash --device 7i93 --readhmid
(assuming IP address is 192.168.1.121)

or

mesaflash --device 7i93 --addr 10.10.10.10 --readhmid
(assuming IP address is 10.10.10.10)

print?

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8 years 10 months ago #102547 by idea
The command gives;
Code:
david@linuxcnc:~$ mesaflash --device 7i93 --readhmid Configuration Name: HOSTMOT2 General configuration information: BoardName : MESA7I93 FPGA Size: 9 KGates FPGA Pins: 144 Number of IO Ports: 2 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: DPLL There are 1 of DPLL in configuration Version: 0 Registers: 7 BaseAddress: 7000 ClockFrequency: 100.000 MHz Register Stride: 256 bytes Instance Stride: 4 bytes 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 2 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 2 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 4 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 P2 Pin# I/O Pri. func Sec. func Chan Pin func Pin Dir 1 0 IOPort StepGen 0 Step/Table1 (Out) 3 1 IOPort StepGen 0 Dir/Table2 (Out) 5 2 IOPort StepGen 1 Step/Table1 (Out) 7 3 IOPort StepGen 1 Dir/Table2 (Out) 9 4 IOPort QCount 0 Quad-A (In) 11 5 IOPort QCount 2 Quad-A (In) 13 6 IOPort QCount 0 Quad-B (In) 15 7 IOPort QCount 2 Quad-B (In) 17 8 IOPort QCount 0 Quad-IDX (In) 19 9 IOPort QCount 2 Quad-IDX (In) 21 10 IOPort QCount 1 Quad-A (In) 23 11 IOPort QCount 3 Quad-A (In) 25 12 IOPort QCount 1 Quad-B (In) 27 13 IOPort QCount 3 Quad-B (In) 29 14 IOPort QCount 1 Quad-IDX (In) 31 15 IOPort QCount 3 Quad-IDX (In) 33 16 IOPort StepGen 2 Step/Table1 (Out) 35 17 IOPort StepGen 2 Dir/Table2 (Out) 37 18 IOPort StepGen 3 Step/Table1 (Out) 39 19 IOPort StepGen 3 Dir/Table2 (Out) 41 20 IOPort PWM 0 PWM (Out) 43 21 IOPort PWM 0 Dir (Out) 45 22 IOPort PWM 1 PWM (Out) 47 23 IOPort PWM 1 Dir (Out) IO Connections for P1 Pin# I/O Pri. func Sec. func Chan Pin func Pin Dir 1 24 IOPort None 3 25 IOPort None 5 26 IOPort None 7 27 IOPort None 9 28 IOPort None 11 29 IOPort None 13 30 IOPort None 15 31 IOPort None 17 32 IOPort None 19 33 IOPort None 21 34 IOPort None 23 35 IOPort None 25 36 IOPort None 27 37 IOPort None 29 38 IOPort None 31 39 IOPort None 33 40 IOPort None 35 41 IOPort None 37 42 IOPort None 39 43 IOPort None 41 44 IOPort None 43 45 IOPort None 45 46 IOPort None 47 47 IOPort None

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8 years 10 months ago #102548 by PCW
Well that looks OK (and has 2 pwmgens), so its quite odd the the pwm frequency pin is missing.
I just tested a stock 7I93 here and its PWM pins/parameters show up fine. which makes me think that some other
error is preventing LinuxCNC from starting

Can you start LinuxCNC from the command line and paste the entire output here?

EDIT
I also have never checked if the driver default to a board IP address of 192.168.1.121
So it may require the board_ip token

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8 years 10 months ago #102550 by idea
Well it got further and connected with the ip address added, and then removing the encoders from the base definition gets it to load up without errors. I need to rig up something to test on the oscilloscope that it is generating output pulses but it looks positive.

I will have a look tomorrow to see if i can get the encoder section to behave itself.

Hopefully this will also be useful for others wanting to use the ethernet driven modules.

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