OMAP-L138 - power calculator - capacitive load
Hello,May I ask you to clarify what capacitive load is assumed for IO power estimation?With over 50 output signals on EMIFA interface, the external load may have significant impact on the power...
View ArticleOMAP L138 CF card
Hello,is there any way to save data away to a(or multiple) SD or CF card(parallel) at least 30MB/s ?I have read the other post about SDHC and SDXC cards, seems the OMAP can't reach even 15MB/s for two...
View ArticleDisable the DLL REFCLK and Mobile DDR and 150MHz yields in problems
Hello,regarding the "System-Level ESD Immunity Usage Note" in the errata sheet (sprz301h.pdf chapter 2.1.4) we disabled the DLL REFCLK signal by setting undocumented bit 13 in DDRPHYCTL1. In addition...
View ArticleOMAP-L137 (TMDSOSKL137) Uart 115200 doesn't work due to L137 limitation or...
Hi OMAP-L137 Team,The TMDSOSKL137 board UART doesn't work if baud rate is programmed to over 115200. Is this caused by the L137 controller or the board design?I have modified the...
View ArticleOMAPL138_StarterWare_1_10_04_01 usb_dev_bulk
Dear All,I am working to test the usb_dev_bulk sample with OMAPL138 EVM from LogicPD.I have flashed the images to the EVM but it can no work correctly.The LCD show the message "Configuring USB....".I...
View ArticleOMAP L138 SDIO - Can one SDIO port support 2 cards in parallel?
HiL138 has 2 SDIO controllers.I have a need to connect 2 SDIO devices in parallel only using one L138 SDIO port. Is this possible and how do I connect the devices and configure it in software?ARe the...
View ArticleOMAP=L138/C674x EDMA/McASP interrupts not firing
Hi,Looking for some help with C6748 interrupts.I am using OMAP-L138, but testing DSP side only application. It is an application which captures/plays back audio. Using SYSBIOS version 6.33.05.46. Have...
View ArticleOMAP - 138 DSP C674x failed
Hi guys, I am developing firmware on DSP side of omap-138. I am using sys/bios.my system communicates to a Custom Motorola Based System ( I will called it "CMBS" for short) through serial port UART2.I...
View ArticleEMIFA_CLK not oscillating
We are using a OMAPL138 with Linux on the ARM side and BIOS 5.41.10.36 on the DSP side. We have a FPGA connected via the EMIFA bus. We are counting on the EMIFA_CLK to run the internal logic on the...
View ArticleCLKIN VPIF LCDK OMAP L138
Hello,I have problem with singnal which I send to CLKIN0 and CLKIN1 pins. I send this clk signal from sensor. When I send it wihout connection with Omap I can see on osciloscope good square signal, but...
View ArticleAsking to correct a bug in the McASPEcho_dspL138 project...
Gentle(wo)men,in the quickStartOMAPL1x_rCSL package the McASPEcho_dspL138 project is included.Unfortunately because of a bug the project is only restrictedly useful.Looking into the dspmm.c module you...
View ArticleUSB0 send CSW fail
Hello, I want to realize a Mass storage device in My custom board using USB0, and the emulation process seems successful.Then i replied to the PC for some SCSI command such as INQUIRY, READ...
View ArticleCheck value of a processor's pin
Hello! I was wondering if there is a "software way" to check the current value of a processor's pin.(In my case the processor is OMAP-L138). The question maybe isn't valid due to lack of...
View ArticleHow to serial programming omap-L137/AM1707 bootloader ?
HiIhave triedthe SPIbootofOMAPL137/AM1707by reference to thefollowing pageshttp://processors.wiki.ti.com/index.php/Serial_Boot_and_Flash_Loading_Utility_for_OMAP-L137Ihave triedthe...
View ArticleWhy the timer of OMAPL132 stalls when all running conditions are meeted?
I use the TIMER64P 3 as two 32bit timers. The TIMER3_12 is configured as one shot timer. When it expires, its ISR will restart the timer.But after running a period of time, the TIMER3_12 stalls. When...
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 ArticleElse Path sets an Overflow Bit, without calling it...
(Please visit the site to view this file)Hi Team,i've obseve following issue on the C674x.an issue occurs in this part of code:------------------------------------------------- float flIn = gflValue;...
View Article[OMAP-L137 - DMA Linux Driver] : How to check that a DMA start has been...
Hi,I am currently working on an Uart driver that is using the OMAP-L137 DMA and at some point, it appears that on the Tx side, sometimes the DMA transfer is not started/queued correctly after a...
View ArticleAM1808 EVM build environment
I'm trying to follow the following instruction: http://arago-project.org/wiki/index.php/Setting_Up_Build_EnvironmentWhen I execute oe-layertool-setup.sh, what configuration should I choose for...
View ArticleOMAP-L137, make a cramfs file system and download by RS-232
Hi, everyoneI'm using OMAP-L137 EVM revision I. The Ethernet cable on my board doesn't work at this point. I downloaded the kernel uImage by RS232, the kermit protocol in hyperterminal. Can I download...
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