AD535 | BIOS | Booting | Bootloader | C621 | C6211 | C6415 | C671 | C6711 | C6711DSK | C6713 | CCS | Chassaing | COFF | DAT | DM64 | DM642 | DMA | DSK671 | DSK6711 | EDM | EDMA | EMIF | Emulator | EVM | EVM620 | FFT | FIR | GPIO | Halting | HPI | HWI | IDK | JTAG | LDB | LDH | LDW | Linker | LMS | LOG_printf | Matlab | McBSP | MEM_alloc | MIPS | PCI | PCM3003 | Pipeline | Profiling | QDM | Reset | ROM | RTDX | Sampling | SDRAM | Stack | TEB | THS1206 | TMS320C621 | TMS320C6416 | TMS320C6711 | TMS320C6713 | UART | Vector Table | XBUS | XDS560

omap2430 DMA ,c64x+

Hi, Im working on OMAP2430. I have to do DMA in my project. Are there any examples related to DMA? Pls give me some pointers. Thanks, Giridhar. ...

ACPY3 DMA method   [2 Articles]

Hi all: I am working on DM6446 and I using CCS3.2. I calling DMAN3 and ACPY3 to do DMA. Now I am using DSP/BIOS. I find that, my DMA work fails. It never comes out from AC...

DMA stalls

Hi All, I'm working on a C6416, and I want to measure the DMA(Quick and Enhanced DMA) stalls: this typically happens when the priority queues are full. How Can I track this...

Synchronisation of DMA channels and speech processing routine   [2 Articles]

Hi, I am using 2 DMA channels(one for input n the other one for output),the interrupt of DMA CH1 is giving an interrupt once it takes the required amount of data ...

Can't check the "Open DMA Channel" option in DSP/BIOS config   [5 Articles]

Hi, I use a C6713 DSPor and CCS 2.21. When using DSP/BIOS config, I found I can't set up DMA channel. If I right click "DMA_channel0" in "DMA Resource Manager", and choose "Pro...

A question about DMA speed of C6711

I am confused about the speed I can achieve. On my board, the SDRAM can be read at 150ns with assembly code, but with DMA, only 400ns is obtained. Why the DMA is slower th...

Can a DMA Chan's DMA_INTx signal interrupt the CPU and at the same time synchronize another DMA Chan?

if this, when to clear the first DMA Chan's COND ? ...

EMAC DMA collisions on C6455

Hi, I have an application running on the C6455. I have written an EMAC module which can get and send IP packets. I also have written a QDMA module, which can initialize and in...

RE: C6713B EDMA/IRQ cache problem

It looks like a synchronisation problem. You need to use double buffers or ping pong buffers. otherwise you get problem when IRQ and DMA try to access the same space. IRQ needs...

c6713 contains both dma and edma?

hai friends, i have a doubt regarding dma controllers, in a document i found that c6713 has 4 channel dma and 16 channel edma is this correct i feel that it has onl...

double buffering and dma

Hey, I am trying to use the DMA and also double buffer (aka ping pong buffering, swing buffering). I have it implemented, but it is slower than doing a sing...

DMA could not complete   [3 Articles]

platform:EVM6201 + CCS2.1,Win2000 + VC6 I use PCI Master Data Trasnfer technology to communicate between the host and the DSP. But when the host send data using evm...

question about DMA??

Hi all. I am trying to transfer data from PC to DSP throught FIFO using DMA and Interrupt. And I'd like to process this data. On the PC, I used API fuctio...

DMA on DM6446

Hi, I have a doubt in DMA transfer, After complettion of DMA transfer is the Destnatin and source addresses increments by element index or they remains same..? ----------------...

dma to edma

Hi I'm in ANC project, I using 6713 and ADS 8344, because there are not documentation about using 8344 with 6713, I am using slaa 160 (ads8345 with 5416). because there are...

evm6x : DMA interrupt??

Hi. all. I want to do repeated transfer via PCI. I have some questions about DMA interrupt.. 1. DMA generated some interrupt such as FRAME IE, BLOCK IE. What...

about XBUS

Dear c6x: I have a question about XBUS of 6202. I use XBUS as asynchronous I/O. From the peripherals refrerence Guide I know i must use DMA to access the XBUS....

DMA problem

Hi! I have got a rather large program code for the c6x. So i tried to seperate different functions into different SECTIONs in the external memory through the...

DAT copy   [2 Articles]

Hi I have a large amount of data that is currently stored as 8 bit data sequentially. (I'm working on a EVM DM642 ie unsigned char inData[COUNT];...

Re: Problem about HPI's EDMA transfer

Chen Yang- > Can I set the parameter of the HPI EDMA? > Can I set the HPI EDMA transfer from 1-dimension to 2-dimension(any > other mode) When the host read data fr...

How to separate data via the DMA in an audio aplication   [5 Articles]

Hello to everybody. I'm working on an audio aplication on a EVM6701. The main problem I found is that I need to work with both channels in an independent way,...

Output 2-D array into CPU

Hi! I'm a research student currently working on a project that requires output three 2-D arraies from the DSP to the CPU. I'm a beginner in Code Composer Studi...

software reset and dma status clear

hello !     i am emulating my C6203 board under CCS2.2, everything goes well except the software reset.   i can't software reset my C6203 board through JTAG inter...

MCASP0 DMA port   [8 Articles]

HI C672x memory map shows address range 0x54000000-0x54FFFFFF for McASP0 DMA Port. But, there is nothing mentioned about which serializer is located in where of that address ran...

DMA mode transfer on the 6201   [2 Articles]

hi everyone, I need to have same suggestion about a tranfer from the Emif to the internal data Ram througt a DMA channel. Actually, I have to tranfer a little ex...

WHY DMA open error in DSPBIOS

Hi all: I config the DMA channel 1 of 6201 in CCS2.0 with evm62xx template, but the return of DMA_open() is -1, which code is generated by configue tools1 anybo...

DMA and CACHE MEM   [2 Articles]

Hi all, I'm working with a DSP 6415 and I'm trying to optimize my Interpolation algorithm in using DMA and cache memory. For exemple, I'm trying to use the Ima...

Having issue using DMA with C6204 chip   [4 Articles]

The chip in use here is a TMS320C6204 I am using DMA in a secondary boot loader to copy data from Flash - on the EMIF - to both internal Program and Data Memory (in Map Mode 1)...

No Interrupts from C64 board   [2 Articles]

Dear all, I am programming a Linux device driver for the ATEME NVDK C64 board, which uses a TI C6416 CPU. For transfering code I use DMA, which works fine except that the driver...

DM642   [3 Articles]

Hi, Can any body tell me whether DAT_cpy API uses "DMA" or "EDMA" ? Can any body tell me the difference between DAT_cpy, DMA, EDMA and QDMA?? Thanks, Harsha ...

McASP0 DMA Port Address Assignment   [2 Articles]

Hi, C672x memory map shows address range 0x54000000-0x54FFFFFF for McASP0 DMA Port. Does address 0x54000000 correspond to serializer 0 data, 0x54000004 correspond to serializer...

DMA interrupt

Hi everyone I'm using three DMA channels inside a c6202 DSP, two of them synchronized by external interrupts generated by FIFOs. The third one is aimed to be star...

No interrupts from C64 board

Hi My last posting is not displayed correctly, so I try it again. I am programming a Linux device driver for the ATEME NVDK C64 board, which uses a TI C6416 CPU. For transfer...

bug of TI c6000's lib of mcbsp   [4 Articles]

Hi,all I have been annoyed by mcbsp of c6203 from the beginning of our design and test. I have now find out some of the problem. 1. the address of XCR0 is w...

Problem with DMA

I am working on custom 64x davanci borad and i am using CCS 3.3. In my code, i am calling DMAN3 and ACPY3 functions to do the DMA . My DMA works fine, if i use the following ...

CCS Data Converters and DMA   [2 Articles]

Hello, I'm new to DSP and am trying to hook up AD/DA converters to a C6713. Looking through the list of converters under "Data Converter Support" I noticed that only a few use D...

McBSP with DMA   [2 Articles]

Hi all! I'm trying to configure a McBSP transfer between two C6202 using DMA events both to transmit and receive data. The process is ok, except that data receive...

Re: HPI and EDMA contention

Nir- > The destination address is 0xbf1e8. I tried "more aligned" addresses, > like 0x70000, but I had the same problem. I even tried address in > external memory. same...

cache + HPI question   [4 Articles]

All- Is this possible: A C6xxx DMA driver sets up a DMA command block in memory and starts an external FPGA or other device to use HPI to read the command...

Newbie- configuring interrupts for transferring from MCBSP via DMA

Hello, I'm a newbie in this group (and still in the digital processing with DSP's), and I've a doubt. When the read synchronization is set in a transfer involving ...