OMAP 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 ArticleAM 1808 system Mallfunction
hi, I am working on AM 1808 system, some times system is suddenly malfunctioning as 1) LCD goes off and only shows Blue screen, but the vsync,disp,DE to LCD are working fine 2) At that time,...
View ArticleOMAP-L138 - DDR2 ODT and Drive Strength
Hello,let me raise a few question about OMAP-L138 - DDR2 ODT and Drive Strength.1. OMAP/L138 datasheet reads as follows:Furthermore, the on-die terminating resistors of the DDR2/mDDR SDRAM device must...
View ArticleOMAPL138 EDMA: Trigger After each Linking
Hii'm currently working on Omap-L138 getting data from a Uart device which sends at 460800baudi try to configure a circular buffer to keep getting frames from the devicemy buffer is in the size of 8448...
View ArticleEVMOMAP-L137. How to increase UART bit-rates through PSP drivers?
Hi,I am working on the UART in DMA mode (omap-l137 evaluation board). I have successfully run the UART sample application that comes with the pspdrivers_01_30_00_06 package (in directories...
View Articlekit DSP
Hi everyone !I am using C6748LCDK Can I use SPI0 following the pins: SIMO,SOMI,CLK and SCSn_4 (chip selection) ?.I doubt that SCSn_4 is used for UART0_TX.
View ArticleSPI0 in kit C6748LCDK
please, help meI have used SPI0 in expansion header J15 to connect to ADXL345 sensor.4 pins is used: SIMO, SOMI, CLK and SCSn_[4] (chip selection) in J15.But, it did not wor, can everyone help me...
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 ArticleUSB gadget enumeration failing
Hi I'm having trouble getting any usb gadgets to enumerate properly to the HOST computer, the pc just comes up with Unknown device.Using linux-2.6.37-psp03.21.00.04 When loading the g_serial device...
View ArticleOMAP-L137 / DA830 Arago Build Environment
What is the recommended build environment to produce a sysroot and a rootfs for OMAP-L137 / DA830 platform?Is Yocto the way to go?Thanks,Brigitte
View ArticleAlsa driver
Hi,I have some problems with Alsa audio driver. I have bought an OMAP-L137. I want to play and record audio by ALSA library. I can record and play with 16-bit format but when I want to change the...
View ArticleEDMA Ticking on OMAPL138
Hello,We are working on TI's OMAPL138/C6748 to create a basic input to output audio application, using EDMA and double buffering.We implemented stereo audio channel sorting with double buffers using...
View ArticleC6748 USB DMA Bulk
Hi:We are using C6748 in our project and have looked at the starterware examples(C6748_StarterWare_1_20_03_03\examples \lcdkC6748\usb_dev_bulk). We use one of the USB controller of the C6748 as a USB...
View ArticleUart behaviour after recovering from timeout error
Hello,I am using UART from PSP 1.30.01 to communicate with a computer with packets very similar to those described in this post : http://e2e.ti.com/support/embedded/bios/f/355/t/111541.aspx and I have...
View ArticleSPI0 bus of C6748LCDK
i use API function: void SPIClkConfigure(unsigned int baseAdd, unsigned int moduleClk, unsigned int spiClk, unsigned int dataFormat) to declare SPI0 bus. I input values that baseAdd = SOC_SPI_0_REGS,...
View ArticleOMAPL138 EMIFA NAND Flash Performance
Hello,I have a custom OMAPL138 based board which has a 256MB Micron nand flash (MT29F2G08AAC). I use the same connections as the L138 EVM UI board.I use the kernel from arago git tree....
View ArticleOMAPL138 ARM core boots DSP core problem
I'm trying to boot DSP from ARM core with QNX. I'm using CCS5.4.First I use a small example project run on ARM core without OS. It did two steps bellow and DSP was boot up correctly:1. Write DSP code...
View ArticleStarterWare SD Card driver
HiI'm using Logict PD L138 EVM and StarterWare -OMAPL138 v1.10.01.01. I need to write some data to and read from SD card in non OS application or with SYS BIOS, maybe using file sistem. for that...
View ArticleC674x instruction for 16x16 fractional multiplication
Hi,Is there an instruction that does 16bit by 16bit multiplication and then takes the MSBs of the 32 bit result as its output? Also is there an equivalent to ARM'sSMLAWy{cond} 32 x 16 + 32 → 32 Signed...
View ArticleCCS support for OMAP2430 on Windows 8 ???
I have a customer with the following question about an older OMAP processor, can someone help? Thank you!We have recently upgraded our computers and have run into an unexpected issue. It seems that...
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