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 Post subject: ARC32
PostPosted: Wed Oct 14, 2015 12:50 am 
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Joined: Tue Oct 13, 2015 2:41 am
Posts: 1
Hello

I was wondering if anyone could help me with a project, I think the ARC32 would be a good fit but I'm a bit unsure on some of the details.

Which chip exactly is in the ARC32?

ARC32 Datasheet wrote:
The servos are controlled using a custom hardware system (HSERVO2) that runs in the background.
Servos can not be controlled by any other method. Standard Pulseout or Servo command as shown in
the BasicATOM Pro Syntax Manual will not work with the ARC32.
I've found the BasicATOM Pro Syntax Manual, is everything else in there going to work or are there any other differences?

One problem I do have is that the HSERVO2 command is fixed to 50Hz operation. I need 333Hz operation... I'm wondering if I could somehow edit the compiler or compiled code. If it simply sets an interrupt for a certain amount of clock cycles it would be easy enough to change.

Alternatively I would have to set the pins high/low and set my own interrupts.

The Syntax Manual suggests looking up the h83664 maunal for an explanation of interrupts which I found herehttp://www.renesas.eu/products/mpumcu/h8/h8300h_tiny/h83664_h83664n/Documentation.jsp and I either can't find the explanation of interrupts or i'm not understanding it. Any help?

By the look of it I will need several time based interrupts, or a single interrupt with a complicated scheduling algorithm, not ideal.

I know BasicMirco have discontinued the ARC32, maybe I would be better off with something else. I want to be able to accurately measure the speed of inputs from optical or hall effect sensors on a shaft, in conjunction with other sensors output several signals which are very time sensitive and drive a few servos at 333Hz based on these readings. Could you suggest an alternative if the ARC32 is the wrong way to go? I'm not a fan of Arduino and I'm not skilled enough to make my own board, I need a ready made board with everything on it, like the ARC32.

Thanks Rufe0


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