Timer Interrupt Not Triggering
Hi all,I'm getting started in ARM (AM1808) and I'm trying to get a timer interrupt to trigger system event scheduler. Currently it should only blink a buzzer.I've followed the StarterWare 1.00.03.03...
View ArticleAM1808 WinCE6 BSP problem
Hello~I tested pre-built Images of WinCE6 on AM1808 eXperimenter Kit.I useed it for surfing the internet.WinCE6 is frozen for a ling while.Is that BSP problem?Please give me any suggestions regarding...
View ArticleUsing the C6746 UHPI_HAS pin
C6746 TRM (SPRUH80A) describes that UHPI_HAS pin is connected to logic high.I guess that UHPI_HAS pin must be not used except used as GPIO.C6746 datasheet (SPRS591C) describes the Timing Requirements...
View ArticlePrimary I2C line outs on the OMAPL138 EVM board from Logic PD
Dear friends,We have procured the OMAPL138 EVM board . Now we are trying to interface Sensors like accelerometer,Gyro and magnetometer via I2C protocol. AS no I2C lines are left out on the EVM board,...
View ArticleEMAC failure for the LCDK-OMAP-L138 (and I can't explain why)
Hi all,Let me start out with a brief description of my problem. I'm attempting to build a small NDK demo application on the LCDK-OMAP-L138 board [1]. However, through debugging, I've found that the...
View ArticleProblem including dsplib.h (c674x 3.1.0.0)
This post is somehow related to the post http://e2e.ti.com/support/dsp/omap_applications_processors/f/42/t/212792.aspxFirst, I also found that paths must be fixed in libs headers, and done this.But...
View ArticleLOG manager implicit instrumentation APIs
How can I obtain the LOG manager implicit instrumentation APIs ?and find out the LOG object / buffer internal data structure ?I am trying to implement a Linux software tool that can read the user...
View Articlehow to use NANO-X in OMAP L138?
helloI want to know how to use NANO-X in my OMAP-L138.I download sourece from microwindows.org and compile but some error .how cam i comile for arm.when I change in config file for arm and give...
View ArticleAccessing to NAND Flash from embedded Linux on a based-OMAPL137 custom board
Hi guys!My R+D group has designed and built a more complete based-OMAPL137 custom board, taking as reference the OMAPL137 EVM of Spectrum Digital. One of the new elements is a NAND FLASH memory of...
View ArticleU-boot uImage load speed from SD (on LCDK)
Hi All,I'm trying to optimize boot time of my LCDK board based application.Linux is on SD card, uImage on separate partition and using standard command line to load:mmc rescan 0fatls mmc 0:1 /fatload...
View Articleu-boot "reset" command hangs
Hi,I am working with OMAP-L138."reset" command of u-boot hangs. It does not reset the processor.The reset code looks like it should work (I am attaching the code which is in u-boot below). Can anybody...
View ArticleHow to run PA/F and send alpha codes after booting Linux on DA830?
I have successfully booted Linux on DA830 according to this guide: http://processors.wiki.ti.com/index.php/GSG_For_DA8xx_ARM%2BDSP_Devices_Using_Community_Linux#DSPLINK_for_DSP, and after I ran the...
View ArticleHow to measure the MIPS of a ASP on DA830 EVM running PA/F
I am developing ASP for PA/F on DA830. I currently use the CPU Load Data to see the CPU cycles consumed by audioStream1Task() thread. It seems not very accurate. How can I measure the MIPS of my ASP...
View ArticleOMAP_L138 USB0_VDDA12 decoupling cap
HiCan anyone tell me how the capacitor on pin USB0_VDDA12, the internal USB 1.2V LDO, should be sized/specified - as far as I can tell, it doesn't warrant a mention in the datasheet or TRM?I'm...
View ArticleWhat is an OMX Chain
Hello,I just started working at a company which is just starting to implement TI technology. It seems that everyone at work and online is talking about OMX chains, but I can't seem to find any...
View ArticleU-boot prompt does not show in based-OMAPL137 Spectrum Digital EVM
Hi,My R+D group is working with based-OMAPL137 EVM (Spectrum digital RevH). Because of some problems, we had to flash the board, using the "DaVinci Serial boot and Flashing" software, allocated here...
View ArticleIs there any documents or examples on the common PA/F library?
I am currently developing ASP algorithms on DA830 EVM. I found there are some library functions provided with PA/F such as COM_TII_activateCommon_, COM_TII_deactivateCommon_ and CPL_fft, but I cannot...
View ArticleC674x UHPI HAS Used issue
For correct operation, must UHPI_HAS during UHPI_HSTROBE inactive cycle be kept High?Our customer uses C6746 with AM3359. UHPI_HAS connects to GPMC_ADVn_ALE. UHPI_HAS during UHPI_HSTROBE inactive cycle...
View ArticleOMAP 138 - help debugging arbitrary memory corruption in DSP DDR space
I have been chasing a memory corruption issue.We are using the OMAP 138 - Linux on the ARM and DSP BIOS (5.41.13.42) on the DSP. The board is a custom board.The problem first manifested itself as...
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ARM Cache on OMAPL137
Hello,I'm trying to enable Instructions and Data Caches on an OMAPL137 evaluation board.I have success fully enabled the instruction cache without the Memory Management Unit but to enable the Data...
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