On Thu, 6 Sep 2012, William Ratcliffe wrote:
> Date: Thu, 06 Sep 2012 15:16:18 +0100
> From: William Ratcliffe <[email protected]>
> Reply-To: "Enhanced Machine Controller (EMC)"
> <[email protected]>
> To: [email protected]
> Subject: Re: [Emc-users] Mesa 7i65 Error
SNIP---------------------------------------------------------------------->
>
> The watchdog does not bite. So the comms is OK I assume. However if I
> force the card into the disabled state by driving ENABLE high (the led
> comes on) then the enable pins can still be controlled. Is this correct?
>>
Yes thats correct, a watchdog bite will clear the enables but if the proper
cookie is sent you can set the enables when the watchdog has bitten or enable
is not set. This probably should be changed so the enables are unconditionally
disabled on reset or missing enable
>>
>> The hardware and my latest bitfile has been verified here with a analog and
>> digital loopback so it looks like The BSPI driver or 7I65 comp have gotten
>> broken by some fairly recent change in LinuxCNC
>
>> Peter Wallace
>> Mesa Electronics
Peter Wallace
Mesa Electronics
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