What is the recommended HPI initialization sequence for OMAP-L138?
In our project (custom board with OMAP-L138 and Spartan6) we have the following HPI initialization sequence (based on section 22.2.8 of OMAP-L138 DSP+ARM Processor Technical Reference Manual):Configure...
View ArticleC6745 PCB SDRAM Layout
Using an SMD SDRAM on EMIFB, I have a feeling I blew the layout.I matched all control signals within 0.5mm, DQM0/D0-7 within 0.2mm, DQM1/D8-15 within 0.2mmBut, the references I could find did not...
View ArticleOMAPL138 McBSP/DMA stability after DEEPSLEEP
Hi,I am working on a project where we need to put the OMAP into deep sleep to save power. The processor appears to go in and out of deep sleep okay but communication over the McBSP with DMA seems to be...
View ArticleHelp with Memory Sharing Application
Hi,I have been tracking down and issue for a long time and I' out of ideas. Hopefully can get some fresh things to try. I have an application modulating and demodulating a signal through the audio in...
View ArticleWhere are the sys/bios platform definitions?
Hi,I have been using a custom platform and forgot where are the defaults, installed by sysbios located?Any help will be greatly appreciated.
View ArticleAM1808 connecting external clock against PRU function pin
Hi, I have a question about AM1808 pin(A3). My customer are connecting 48MHz external clock for USB_REFCLKIN against A3 pin of AM1808. There two type of customer boards. One type of boards doesn't use...
View ArticleMemory Map issue + OMAPL137
Hello, We have evaluation board based on OMAPL137 and we have developed the custom board based on the same processor.we have created simple UART test code which works fine in EVM board.but...
View ArticleUnable to assert PRU EVTOUT1 on OMAPl138
I'm trying to assert the EVTOUT1 interrupt from PRU0 on to the OMAPL138 ARM core, to signal a completion event. I am so far unsuccessful in doing so. I would like this to be done on channel 3 of the...
View ArticleEDMA to the McASP on the TMS320C6747 or OMAP-L137
Greetings!Sorry for the repeat posting, in my first one, the format was quite wrong. I'm transmitting out of all 28 McASP Channels on the TMS320C6747. I'm working from a loop through example for the...
View ArticleEDMA can't copy data from DSPL2RAM to SDRAM.
I use EDMA to copy data from DSP memory to SDRAM, It works when copy data from SHRAM, but doesn't workwhen copy data from DSPL2RAM to SDRAM.here is the test code:#pragma DATA_SECTION(sdram_buf,...
View Articleit costs about 500ns to start a memory to memory EDMA, is it normal?
I am trying to speed up copying data from inner memory to SDRAM, the DSP works at 400MHz. It seem it costs >500ns to set and start the EDMA, for example following code costs 134 CPU clock, it's...
View ArticleC6Caccel - how to get extra error information, iUniversal returns -7 - what...
Dear TII am trying to extend c6accel to call an example function.I am getting as far as calling the iUniversal Process call on the ARM but it is returning status -7 ; I found the xdm.h header file but...
View ArticleOMAPL137 Toggling the GPIO from the ARM Side in SYSBIOS
Would it be better to start a new thread? I'm still having issue trying to toggle an LED on the EVM OMAPL137 with SYS BIOS on the ARM. I can run the rCSL example but I'm not able to do it when running...
View ArticleAM1808 Code composer studio OUT file to real flash HEX(binary) converting...
I want AM1808 Code composer studio OUT file to real flash HEX(binary) converting."out2rprc" tool is not same flash data. Maybe is uart boot loader(UBL) spec.
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OMAP-L138 SATA: not transmiting data from DMA to system memory .(Code...
Hi, I am using SATA test code from LogicPD ( BSL code package) and user cases from reference manual. After function :submitCmd (NON_QUEUED_CMD, cmdSlot2Use);I am first receiving data, they are copying...
View ArticleOMAP L138, C6748 setup GPIO3[0:7] but not working
Hi there,We are working on OMAPL138 LCDK to connect other device through GPIO. I am trying to use GPIO3[0:7] pins through configuring PINMUX8 from DSP end. The pins are available in expansion header...
View ArticleL138/C6748 LCDK: Which Starterware?
On the Starterware page, we have found an L138 version and a C6748 version. Does the L138/C6748 LCDK prefer one over the other?Mike Briggs
View ArticleImplementing File system for saving video onto Sd card
Hi,I am working with the OMAPL138 LCDK for the first time. Thanks to help from many like Titus in this forum, I have been able to do a lot of examples that came with the starterware. My objective is to...
View ArticleProblem with higher CPU Clock frequency(360MHz, 372MHz,420MHz or 444MHz) in...
Hi,We have made Custom boards using OMAPL138 Chip-set. This Chip-set is rated to operate at 450MHz(CPU Frequency).Till now we are using this with DaVinci PSP 03.20.00.11 SDK.- linux version is...
View Articlethe problem with use NDK in omapl138
I have some problems about using NDK,as this.1. PC IP addr : 192,168,20.45 ,Subnet mask : 255.255.0.0.2. Embedded devices IP addr : 192.168.60.198, Subnet mask : 255.255.255.0,this Embedded devices...
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