Long read/write from SD card to Flash memory prevents MCASP functionality ?
Does anyone know a read write process to Flash memory would stop McAsp functionality down the line? If I transfer 100 Blocks, the audio transmits just fine. If I transfer 300, I have a buffer underrun....
View ArticleProblems with HexAIS_OMAP-L138 file converter
Hello,Using OMAP-L138 LCDK and CCS v6. I am able to succesfully use AISgen to convert the .OUT file (compiled ARM application from CCS) into an AIS file, and load it onto the dev-kit NAND and run it...
View ArticleDSP interrupt via syslink example on OMAPL138
Hi all,Here is my environment.1. mcsdk_1_01_00_022. bios_6_35_01_293. c6000_7.4.24. ipc_1_25_03_155. syslink_2_21_01_056. xdctools_3_25_00_48I based on ex02_messageq (syslink example) to initialize...
View ArticleConnect EMIFA to DSP in DSP/ARM system
Dear All,I have a problem with EMIFA on OMAPL137 EVM. The system is composed of Linux running on ARM and some codes running on DSP. I want to use EMIFA on DSP side. It seems that since ARM uses SD so...
View ArticleDelay in running interrupt service routine
Hi Trying to service ADC data ready signal with an interrupt service routine it has about 4 micro second delay which is around 1200 CPU cycles which is not acceptable in my case.I am working with...
View ArticleOMAP-L138 UART2 Flow Control Issues
HelloI'm trying to setup UART2 for 115200 8n1 configuration and hardware flow control on an OMAP-L138 processor. The purpose of this configuration to communicate with a TI GPS/Bluetooth chip. This is...
View ArticleOMAPL138 DSP IDLE instruction handling
Hi,I'm investigating low power operation on an OMAPL138. On the DSP side I want to be able to disable interrupts (clearing GIE in the CSR), run some extra function to reduce power, call the IDLE...
View ArticleOMAP 3530 USB1 problem
I need help to resolve the issue with OMAP 3530 USB1 OTG port problem.I have connected USB1 ULPI port to external ULPI transceiver USB 3326. I am operating this port in Host mode with Linux version...
View ArticleMCSDK --syslink--OMAPL138
uboot setupU-Boot > printenvbaudrate=115200bootargs=bootagrs=root=/dev/nfs rw nfsroot=10.3.2.175:/home/lyy/tftpboot/rootfs nfsaddrs=10.3.2.99:10.3.2.175:10.3.2.1:255.255.255.0 console=ttyS2,115200n8...
View ArticleSD Card Error Upon first Run/Debug.
This function: Uint16 MMCSD_readNWords( Uint32* data, Uint32 numofBytes, Uint32 cardMemAddr ) { Uint16 i, j; Uint16 fifoDxrRdCnt; Uint32 fifoReadItrCount; Uint32 extraBytes; Uint8 fifoBuff[32] = {0};...
View ArticleLarge-ish write to flash breaks MCASP transmit buffering.
I've got a real head scratcher here. I declare the following global variable: Int16 AudioTemp[576000]={0}; If I read a bunch of audio off the SD card, and load it into flash - but load it into the same...
View ArticleAM1808 USB 2.0 Bulk IN Transactions - Clearing TXPKTRDY bit
Hi, I have a question about AM1808 USB 2.0 Controller. I'm using AM1808 USB 2.0 as Bulk In Transactions. I want to know when the TXPKTRDY be cleared by USB Controller. In TRM(spruh82a) page.1588...
View ArticleCan I use EDMA with UART in non-FIFO mode?
I use CPU poll to transmit data to UART, something like following code in a loop:if(uart2Regs->LSR & 0x20) { CSL_FINS(uart2Regs->THR, UART_THR_DATA, data); }Now I want to change this to EDMA...
View ArticleOMAPL138 device marking
Hello!I have a processorOMAPL138BZCE DA375.Can anybody explain me, what does letter D in its marking mean?Thank you, Slachxen Proskurnya
View ArticleOMAPL138 timer2 runs once
Hello,I have a working FW application running on an OMAP-L138 (I'm only using DSP, so ARM is only programmed to start-up DSP)To add field-upgradability to the application I've used the bootloader from...
View Article[TDA2x] compile error
Dear TI,This is Seongtae who is using TDA2x for develop related automotive. I have a problem when I try to compile a source of mine. There is a my configuration of develop envirnmentCCS :...
View ArticleWhy the EDMA repeat itself forever?
I am using OMAP-L137, and use following function to copy memory by EDMA:void EDMA_copy(int channel, Uint32 src, Uint32 dst, Uint32 nbytes){ edma3ccRegs->ECR |= 1 << (channel);...
View ArticleActual Tick Duration OMAPL137
I'm using timerstart = Clock_getTicks(); to get an idea of how long my code takes to execute. If I assume that 1 tick is 1/300MHz, what I see is not necessarily what I measure. Yes, there is a little...
View ArticleWhere to download BIOS PSP compatible for OMAP-L13x with SYS/BIOS 6.x
Dear everyone,Do you know where to download the BIOS PSP release compatible for OMAP-L13x with SYS/BIOS 6.x?Because I need to read and write sata disk in OMAP-L138, and I want to do it using SYS/BIOS....
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OMAPL138 Power-On Hours
Hello,there is no POH data for 456 MHz and -40 to 105 C in the above table. The part OMAPL138EZWTA4 can operate at 456 MHz and with -40 to 105 C junction temperature.Please provide POH for...
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