Hi Rakesh,
Do you have any idea regarding using PRU to access the
flash ??
Thanks,
pratap
On Wednesday, August 20, 2014 at 3:39:12 AM UTC-5, rakesh.safir wrote:
Hi Cmicali,
I was successfuly able to access the ddr from C code through a little
workaround though. I kept the
Hi Cmicali,
I was successfuly able to access the ddr from C code through a little
workaround though. I kept the OCP initialisation in inline assembly and
rest of the code in C.
It works like a charm :)
Really for your help. Your example helped me solve the access issue.
Cheers !!
Rakesh
On
Hi Cmicali,
Really appreciate your help. I was able to run the example successfully.
The linux side code for memory allocation was the same as suggested by you.
Same was suggested on the post
http://hipstercircuits.com/beaglebone-pru-ddr-memory-access-the-right-way/
I'm trying to achieve
Rakesh,
Sorry - when we did all the PRU work the c/c++ PRUSS compiler was not
available yet, so I haven't looked at it yet. Our code was pretty timing
sensitive so using pru assembly was probably the right way to go anyway.
-c
On Tuesday, August 19, 2014 3:31:17 AM UTC-4, rakesh.safir
I didn't check all your code (*../sage_pru.hp* is missing, so I don't know
how MEM_PRU_DATA0_BASE is defined).
But: From the PRU-0 point of view, the address of DRam-0 is *0x0* (and
DRam-1 is 0x2000).
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That file is in the repo, you can find it here:
https://github.com/sagedevices/am335x_pru_package/blob/master/pru_sw/example_apps/sage_pru.hp
But yes, you are right on those constants.
#define MEM_PRU_DATA0_BASE 0x
#define MEM_PRU_DATA1_BASE 0x2000
#define MEM_PRU_SHARED_BASE
Rakesh,
We posted an example of DDR access
@
https://github.com/sagedevices/am335x_pru_package/tree/master/pru_sw/example_apps/ddr_access
-c
On Wednesday, August 13, 2014 5:22:49 PM UTC-4, rakesh.safir wrote:
Hi,
I want to use the DCAN interface on PRU-ICSS to send/receive data
