Greg:
Many thanks for your "guide". I too have had success with it. One minor
correction was needed:
cd /usr/share/ti/cgt-pru
mkdir bin
* cd bin*
ln -s /usr/bin/clpru clpru
The *cd bin* is needed to get clpru in the right place.
--Mark
On Thursday, June 23, 2016 at 3:01:31 PM UTC-4, [email protected] wrote:
>
> I have the same problem and using kernel 4.4.9-ti-rt-r26.
>
> In my case, the rpmsg_pru is not loaded when booting or when you modprobe
> pru_rproc. I can't see the added device in /dev.
>
>
>
> On Sunday, May 29, 2016 at 11:30:30 PM UTC+8, Greg wrote:
>>
>> Hi Torben-
>>
>> I got that image to work. Here is a summary of the steps. Note that I
>> am ssh-ing to a BBG as root.
>>
>> 1. Flash IOT image to micro-sd.
>> 2. Insert micro-sd into BBG slot, press boot and power buttons and
>> release.
>> 3. ssh [email protected]
>> 4. uname -r to verify kernel -> 4.4.9-ti-r25 YES, it is the correct
>> kernel.
>> 5. apt-get update
>> 6. cd / and then find . -name cgt-pru, and the path is
>> /usr/share/ti/cgt-pru. This is the location of the PRU library and
>> includes.
>> However, the clpru compiler binary is not there:
>> which clpru
>> /usr/bin/clpru
>> So the compiler binary is in a different location. This is a
>> problem for the labs make files.
>> cd /usr/share/ti/cgt-pru
>> mkdir bin
>> ln -s /usr/bin/clpru clpru
>> So now the make files will find the compiler executable in the
>> correct location via the link.
>> 7. cd /home/debian
>> git clone git://
>> git.ti.com/pru-software-support-package/pru-software-support-package.git
>> This will clone a copy of the latest pru support package.
>> 8. cd into lab_5 in the package:
>> cd lab_5/solution/PRU_Halt
>> make
>> This will fail, it is looking for environment variable $PRU_CGT
>> export PRU_CGT=/usr/share/ti/cgt-pru
>> Now try make again. It should succeed.
>> 9. cd gen
>> cp PRU_Halt.out am335x-pru0-fw
>> cp am335x-pru0-fw /lib/firmware
>> 10. Now cd into the PRU_RPMsg_Echo_Interrupt1 directory in the same
>> lab_5.
>> Edit main.c as follows:
>> //#define CHAN_NAME "rpmsg-client-sample"
>> #define CHAN_NAME "rpmsg-pru"
>> 11. Now almost the same as #9, this time for pru1:
>> cd gen
>> cp PRU_RPMsg_Echo_Interrupt1.out am335x-pru1-fw
>> cp am335x-pru1-fw /lib/firmware
>> 12. Reboot
>> 13. cd /dev look for rpmsg_pru31 device file. It will be there!
>>
>> Hopefully I did not miss any of the steps. Let me know if this helps.
>>
>> Regards,
>> Greg
>>
>>
--
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