In the PRU Reference Guide, see section 11.1.2 on the SYSCFG register.
This is why you typically see something like the following at the start
of most PRU programs:
// Clear syscfg[standby_init] to enable ocp master port
LBCO r0, CONST_PRUCFG, 4, 4
CLR r0, r0, 4
SBCO r0, CONST_PRUCFG, 4, 4
On 5/16/2014 5:05 PM, foreverska wrote:
> Not the entire thing but I definitely didn't know about a SOC bridge. That
> section of code is a derivation on:
> http://boxysean.com/blog/2012/08/12/first-steps-with-the-beaglebone-pru/
> Nothing is ever said about that and it worked for quite a few runs before
> becoming lost. However, I'm more than willing to try enabling it but I'm
> having trouble finding mention of it.
>
>
>> Is that the entire program? You have to enable the bridge to the SoC
>> interconnect bus before doing memory accesses to things like the GPIO
>> banks. That could be why your program is "getting lost".
>>
>> --
>> Charles Steinkuehler
>> [email protected] <javascript:>
--
Charles Steinkuehler
[email protected]
--
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