Linux/TDA2SX: I have some question about TDA2XX vision SDK

user5231843

Part Number: TDA2SX

Tool/software: Linux

Hi:

I have some question about TDA2XX vision SDK.

1、if A15 use linx, why IPU only use ipu1_0 or ipu2? why not use ipu1_0 ipu1_1 ipu2 at the same time.

2、in linux enviroment, A15 only support one process,muti thread? vision sdk don't support process communication?

3.develepment def_link, if two link send datas each other, the osa_que(ring buffer) can cause deadlock. A link wait B wakeup, B link wait A wakeup

0 Shiju Sivasankaran over 8 years ago

<1>

Its a SW limitation, now HW issues to use both IPU1 and IPU2 subsystem concurrently

This SW limitation is mainly related to some Link ID translation logic of VSDK

<2>

No VSDK do not support multi-process and don't support process communication

<3>

Data transport between Links is via dedicated input/output queues and no deadlock can occurs in data pipe

regards, Shiju

0 user5231843 over 8 years ago in reply to Shiju Sivasankaran

thanks

0 Shiju Sivasankaran over 8 years ago in reply to user5231843

thanks for the confirmation

0 user5231843 over 8 years ago in reply to Shiju Sivasankaran

if we use TDA2PX, it has 4 M4 chip, how many can we use ? A15 support linux

0 Shiju Sivasankaran over 8 years ago in reply to user5231843

With VSDK Linux use can use only IPU2 (Core 0 & 1 in SMP mode).

you can use IPU1 (both core 0 & 1) for any non-VSDK application

regards, Shiju

Processors forum