Registers where the output values are stored

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monkey_biz
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12 Jan 2017 02:56 #85647 by monkey_biz

Registers where the output values are stored was created by monkey_biz

Hi,

I was just wondering where in memory (the specific register values) that store the output of the application. Are these registers accessible to the user to determine the output values? I am doing SPI as opposed to parallel so reading the registers directly would be easiest for me to do.

Thanks

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andypugh
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18 Jan 2017 12:18 #86046 by andypugh

Replied by andypugh on topic Registers where the output values are stored

I don't think that this question even makes sense, sorry.

I think that all the data that you want to use is available in HAL, which is a shared-memory location, but the addresses are not fixed.

You would need to write a HAL driver which receives values on HAL pins and then sends the data to your SPI device.
(This is probably easier than it sounds).

linuxcnc.org/docs/2.7/html/hal/comp.html

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monkey_biz
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19 Jan 2017 02:19 #86118 by monkey_biz

Replied by monkey_biz on topic Registers where the output values are stored

Yes perfect! I apologize for the lack of right terms. Thats is exactly what I need!

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