OMAPL138: Cache coherence question between L2 and L1D
My target is an OMAPL138Tools:CCS version = 5.1.0TI compiler = 7.3.1SYSBIOS = 6.33.1.25XDCtools = 3.23.0.32I have data caching turned on in L1D, but not L2 ram. In my project I'm receiving data via...
View ArticleProblems about caches
Hi,I've setup a project which do some spectrum analyzing for audio signals on lcdkOMAPL138 board.And I modified the main loop code of mcaspPlayBk.c in OMAPL138_StarterWare_1_10_03_03 as follow:...
View ArticleTimer Code Example
Hi All! I try to understand how to use the timer for LED blinking application. I investigated L138 StarterWare package and found sample application for timer. In the code I understood that Timer...
View ArticleDisable One SDRAM of OMAP-L137
I'm developing on OMAP-L137 EVM.There are two SDRAM on this EVM. I want to test SDRAM performance. How to disable one SDRAM? (Hardware remove? or disable by registers?)When OMAP-L137 EVM work with...
View ArticleCannot open /dev/video0 (No such file or directory)
Hi when I run :./video_loopback_copy_omapl138.x47 -r 720x576 I got error message:Cannot open /dev/video0 (No such file or directory)Failed to detect capture video standard And tw9910 detected ok....
View ArticleC6747 Chip Support Library
I'm developing on OMAP-L137 EVM.I have to edit EMIFB register. So, I have to include C6747 chip support library.But I download from below tow links. C6747 chip support library is not included.Where...
View ArticleMcASP+AFIFO+EDMA3 scenario. Confirmation needed!
Dear Gentle(wo)men,I plan to implement a combination of McASP, AFIFO and EDMA3.The data frames consist of two sub-frames, which have different data layout. So I would prefer to organize the data...
View ArticleQuestions about The Global Variable dp_status
Hi professionals! I need some help from you again.In the PROFIBUS Slave on AM1810 User´s manual, The Global Variable dp_status，dp_status Bit 6 - Output data were received (dp_status Bit 0 - Timeout...
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Problems of desgin a adapter plate to connect to OMAPL138 baseboard through...
Hi, At first Thanks for you reply very much, I think the question I said is not clear ,so I described my problem detailed as follows: At present I have a LOGIC_PD_L138 EVM baseboard ,But I...
View ArticleHow to use evmomapl138_bsl.lib in dsplink?
I want to debug the dsplink example with my dsp code.Where should I put the evmomapl138_bsl.lib in the dsp side?and whet file should I modify? the makefile?
View ArticleUART with auto flow for omapl138evm
Hi,I am enabling flow control for UART2 of omapl138evm and on other side I am using window application TeraTerm but I am not able to transmit any thing to tera term.Things work fine with out flow...
View Article./loopgpp:error while loading shared libraries:/lib/libpthread.so.0:ELF file
hello,everyoneI have added some .h and .c files in the loop example,the compiling is successful,but when debug,the error appears here,./loopgpp:error while loading shared...
View ArticleHelp: one of our AM1810 developing board cannot work
Hi, professionals! We need your help again.The case is as follows:We made 3 AM1810 developing boards in one batch by SMT, and two of them works well, but for one board no "Boot me" was printed out....
View ArticleProblem of the OMAPL138 driver.
Hi, I have a daughter board is connected to the L138 through J29, mainly to achieve LCD display and camera input .Recently I am debugging the OMAPL138kernel, I meet the follow problem:1、...
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[OMAPL138] C6748 pinmux
Hi,I am using the omapl138EVM and I want to use 2 output pins to drive another board and I don't really understand how it works, I am using the upp and I2C, so I have downloaded the...
View ArticleData recevied from the DMA is not correct
Hi,I have a problem while receiving data from the EDMA3 .I configured C6748 DSP to receive data from the CODEC through DMA. I am getting data correctly if the DMA array size set to 2 bytes (A count 2...
View ArticleGPIO Interface from User Space
Hi,There are several posts regarding this issue, but there are no clear answers to what I believe should be a simple problem: Controlling some GPIOs from User Space.I am using an OMAP L138 on a custom...
View ArticleHelp with GPIO
Hi,I have a TMS320C6748 and I need to set the GPIO pins as outputs through the Code Composer Studio. Could anybody give me an example of a program using the GPIO as output pins. It would help me a...
View ArticleCant get the OMAP L138 audio example to work
Hi, We are trying to run and debug the MCASP_AudioExampleProyect over a OMALL138 LCDK. We can compile it and debug it without a problem, nevertheless it doesnt work. When we run it step by step, we...
View ArticleCannot remove PLL from bypass mode?
I have a custom AM1705 board that is hanging on the last step of Setup_PLL() of the gel file. Specifically, the code that hangs is:PLL0_PLLCTL |= 0x1;And the error message is:ARM9_0: Trouble Writing...
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