sample_embedding_folder2/0762448.txt

Ticket Name: Compiler/TDA2PXEVM: Need Information/clarity on compiling Linux applications for TI using Vision SDK framework

Query Text:
Part Number: TDA2PXEVM Other Parts Discussed in Thread: TDA2 Tool/software: TI C/C++ Compiler Hi , I have got couple of qeries regarding porting Linux Application on to Vision SDK framework for which I request you to provide your inputs on it. We have got an Linux application say Sample(which is designed and working for Linux platform) which is not complete POSIX compliant but has got support for most of the POSIX features in it. Namely Pthread, Semphores, Sockets, FileSystem calls File(OPEN …), Directory(MKDIR…) and Link(UNLINK..) operations Basic(CHMOD,UMASK…) file attributes File descriptor(FCNTL..) manipulations Read/Write(READ,WIRTE..) operations Synchronized(SYNC,FSYNC..), Asynchronous(IO_SETUP,IO_DESTROY..) and Multiplexed(SELECT,EPOLL…) I/O Monitoring(INOTIFY_INIT) file events and FIFO(mkfifo..) operations IPC communications(Shared memory). As SYBIOS provides pthread support for A15 core and also NDK(Yet to explore) is built for A15 we were trying to compile/build our Linux application(Sample) for A15 core alone on Vision SDK framework. Are we on the right direction? Do you foresee any issues with it? Recent conversation with TI Engineer states we need to Port Linux on to A15 core? Does it mean porting complete Linux platform on to A15 core and post to which we should start porting our Sample on to A15? As mentioned Linux application Sample has got FileSystem calls in place. Do we have support for FileSystem on SYSBIOS? If So, how could we make use of it or do we need to look for corresponding alternatives in it? And Sample being the server component, there are the other application which communicates to Sample via Sockets or through PIPES or any file based operations. Being Sample built for A15 core, does the other applications which has to communicate to Sample should also be built for A15? Request you to pour in your inputs/thoughts on it.

Responses:
Hi Ramesh, VisionSDK has Linux + BIOS mode on which A15 core runs Linux, while all other cores run RTOS. You can check UserGuide and DevelopmentGuide in PROCESSOR_SDK_VISION_03_06_00_00\vision_sdk\docs\Linux. Can you check if that works for you? Regards, Yordan

Hi Yordan, Thanks, definitely I will have a look at it, will get back to you ASAP, in case if I face any issue with it. Btw when I try to compile the sources for "tda2px_evm_linux_all" I do face the below mentioned compiler issues? /tda2/apps/src/rtos/iss/src/sensor/ar0220/iss_sensor_ar0220.c "/opt/V_SDK/FFC/FFC_WORKSPACE/source/vision/platform/ti/tda2/apps/src/rtos/iss/src/sensor/ar0220/iss_sensor_ar0220.c", line 66: error: excess initializers are ignored "/opt/V_SDK/FFC/FFC_WORKSPACE/source/vision/platform/ti/tda2/apps/src/rtos/iss/src/sensor/ar0220/iss_sensor_ar0220.c", line 86: error: excess initializers are ignored 2 errors detected in the compilation of "/opt/V_SDK/FFC/FFC_WORKSPACE/source/vision/platform/ti/tda2/apps/src/rtos/iss/src/sensor/ar0220/iss_sensor_ar0220.c". >> Compilation failure make[5]: *** [/opt/V_SDK/FFC/FFC_WORKSPACE/source/vision/platform/ti/tda2/binaries/apps/tda2px_evm_linux_all/obj/iss_libs/tda2px-evm/ipu2/release/iss_sensor_ar0220.oem4] Error 1 make[5]: Leaving directory `/opt/V_SDK/FFC/FFC_WORKSPACE/source/vision/platform/ti/tda2/apps/src/rtos/iss' More over as mentioned earlier, my Sample application being Server component if it is build for A15 core which runs on Linux, the other use cases/applications which was built for other cores runs on RTOS is it still possible to establish the communication channel among other cores to A15 core?

Hi Ramesh, Already 1 thread is running on this issue. So please do not create duplicate threads. I will provide answers on your running thread. Please close this one . Regards, Anuj

Hi Anuj, I was asked to create the new thread for other topics, assuming I will not the response to it, I have started a new thread. Sure, I will close this loop and will continue to ask the queries on the thread which you have responded. Closing this all the queries will be asked under " e2e.ti.com/.../761254" Pradeep