Failed to make C6748's USB 2.0 port to send TEST_J pattern
Dear All,I've a trouble when I try to make C6748's USB 2.0 port to send test pattern, e.g., TEST_J.Both the USB DP & DM signals simply stay at 0V.Below is a list of what I do in my program://...
View ArticleEfficient C6748 booting?
Hi,We have developed our own custom C6748 board for one of our products. We are using the following software components:- DSP/BIOS 5.41- CCS 5.2- Codegen tools 7.3.4- AISgen 1.9- Modified version of...
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 ArticleHow to access GPIO pins on OMAP-L138 EVM
I have LogicPD Zoom™ OMAP-L138 eXperimenter Kit. I want to access GPIO pins on OMAP-L138 SOM-M1 so I could drive a GPIO peripheral such as LED, switch, etc. The schematic on the product website gives...
View ArticleOMAP L138 custom board standalone problems
Hey there,I don't know if this question suppose to be here or in the SYS\BIOS forum so sorry in advance...I have a program built in SYS\BIOS working with the ARM and the DSP, communicating by IPC.I...
View ArticleOMAPL-138 to FPGA Set Up and Hold EMIF Clocks
My customer has posed the following question:This relates to interfacing TI DSPs to FPGAs using EMIF. We've done this a LOT in the past. Specifically, we've hooked up Altera Cyclone III, IV, V, Arria...
View ArticleHow to get rid of the "fade in" of PA/F on DA830?
I am now running the PA/F I12 topology under Linux on the ARM of DA830. I have used execPAIInRingIO and execPAIOutAnalog, and I have sent writeVOLControlMasterN(0) and writePCMRampDisable. However I...
View ArticleSoftware execution time issues
Hello there,I am using sys/bios on DSP core of OMAP L138. I have an image processing software that consists of 17 source files. It is not a multi threaded application, and all functions are called...
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Boot loader flashing in NAND
Hi, I would like to use NAND flash in my AM1808. Before I have worked and loaded the boot loader in SPI flash, Now I want to change and run my Boot loader from NAND flash. Any new version utility to...
View ArticleCreating NOR Flash Partitions on the AM1808
Hi,I am currently trying to register a NOR flash device using the 3.3 Linux kernel running on a custom hardware platform based on the AM1808. I have configured my kernel for the AM1808 Reference EVM...
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...
View ArticleC6748 PSP VPIF driver is unable to capture single frame
Hi,What I found out is that C6748 PSP VPIF driver is unable to receive just single frame. It blocks on FVID_dequeue(..), however from logicanalyzer trace can be seen that single frame is actually sent...
View Articletouch screen can not work
Dear Sir： I work on OMAPl138. Enviroment is as follows:SDK is linux-2.6.33-rc4-psp03.20.00.14.sdk,DSP: DSP/BIOS:5.41.09, CCS:3.3.81 ,CGT:6.1.19.EDMA version:01_11_02_05 I use touch screen on...
View Articlec6748 sys/bios boot sequence
I continue thread here, because ReinierC did not like that I have hijacked his thread: http://e2e.ti.com/support/dsp/omap_applications_processors/f/42/p/246851/1013631.aspx#1013631The problem is that I...
View ArticleL138-EP Temperature Range
Hello,We are considering for an civil aerospace application using an OMAP L138-EP version.The datasheet SPRS815C indicates in page 3 that the device is available in Military (-55 to +125°C) temperature...
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Dual channel I2C to UART HUB for Bluetooth
Hi All, I have limited 3 UARTs available in my AM1808. I would like to use another UART for TIWI-R2 Bluetooth module. I have selected and used I2C to dual UART expander from EXAR part i.e...
View ArticleDeep Sleep Indicator
In our design, we would like to disable the main crystal oscillator (giving clock to OSCIN of OMAPL138) once we are in deep sleep. The only way to do that is to monitor something on the board which...
View Articledebug dsplink application on EXPKITOMAPL138 using CCS 5.4.0
Hi guys,I am following http://processors.wiki.ti.com/index.php/Debugging_the_DSP_side_of_a_DSPLink_application_on_OMAP-L138_using_CCS to debug dsplink application using CCS 5.4.0. I have several...
View Articlegetting started with OMAPL138/C6748 EXPERIMENTER KIT (TMDSEXPL138-UNV)
HIsuggest me links /documents ,how to work with OMAP138/c6748 experiment kit (tmdsexpl138 -unv) give me the exact starter guide,realted softwares to download to work with it,and also unable to find...
View ArticleSequencing of C6748 1.8 and 3.3 V supplies - please clarify use of 'before'
HiWe are implementing a power supply for the C6748 DSP based on LT's LTM4628 uModules and would like some clarification on the sequencing requirements of the 1.8 and 3.3 V supplies. In addition to a...
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