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C6713: QDMA and EDMA chaining

Hello, is it possible to chain QDMA and EDMA? I want EDMA to reload SRC and DST of QDMA. What I want to do is transfer 134 blocks of 8 words to different ...

EDMA

Hello Can any one please help me regarding EDMA. if some one have simple programm to configure EDMA and send data through EMIFA please email me. i am working on TMSC6416. t...

EDMA problem   [4 Articles]

Hi all, we are working on 6211 DSK and having problem with EDMA usage. The problems we are facing are as follows -- channel link -- channel chaining --...

EDMA limits

Hi: Is there a limit on the number of EDMA channels that can be open at a time - I understand that the EDMA crossbar processes one at a time, but wondering ...

EDMA interrupt problem : URGENT   [2 Articles]

Hi All, I am working on TEB6416. I am facing a very wierd problem in the EDMA interrupt. After completion of very first DMA the CPU services the EDMA ISR. In the ...

How to store video to external memory using EDMA

hello , i have doubts regarding the vido port which are as follows: 1)I case of captuing video we can capture the video as according to field1 or field2 or whole frame to ...

EDMA question

Hi, lets say a EDMA with a low priority is running. Now a EDMA event with a high priority accurs. Is the low priority EDMA interrupted, or has the high one to ...

Some EDMA questions on C6713   [2 Articles]

Hi, I have some EDMA questions. 1. I want timer0 to trigger the timer IRQ and an EDMA transfer. I cannot use the EDMA IRQ. Is this possible? IRQ works, but EDMA doe...

Re: EDMA limits

I too am having unexplained behavior with the DM642 and multiple EDMA channels that are opened. Whenever we open EDMA channel 9, we see odd behavior in the CIPRL register - mainly...

Problem about EDMA

I'm writing my code in C64x simulater, I have a problem about the EDMA When I tigger a EDMA transfer by EDMA_setChannel(),the PQAx register! Each priority level has the same...

c6711dsk & EDMA trigger

Hi all: I want to trigger EDMA event1 by timer0_int. After setting the EDMA parameter(6 word from 101A0 0018 to 01A0 002F) and Timer0, do I need to...

edma use for video capture/display on DM642   [4 Articles]

Hi all, If there is any example which explains how edma is used to transfer between FIFO buffer and capture/ display buffers,Further how can we manage field/frame sy...

Understanding EDMA and McBSP

Hi all, I`m newbie to DSPs and I`m using TMS320C6711DSK. I want to generate a serial signal, which has 80 bits at 1MHz every 250 uscs. I want to use timer1 to prompt the start o...

trouble about aic23_mcasp_edma

hi,everyone. I have trouble about using aic23_mcasp_edma to do my projedt. the first one is when I use the edma to move my recive data from RDATA of mcasp,the sound is really...

EDMA transfer triggering   [3 Articles]

Hi all, 1) Is writing to the CIPR is enough to trigger an EDMA transfer? 2) IS using the command EDMA_setChannel is enough to trigger an EDMA transfer? I want t...

what does mean that chaining EDMA?   [2 Articles]

i am starter of dsp 6711. i am reading the peripharal user guid. in the EDMA part(6.15), i can't undertan chaining EDMA. what does mean that? ,what applicatio...

EDMA

Hello everyone, Iam using the Ti C64x processor.Can i do a EDMA from one location of the internal memory to another memory. Should i use CPU driven or Event tr...

Help Please McBSP+EDMA   [2 Articles]

Hello all I'm a grad student at UT, Arlington and have been working with the C6711 DSK for the past year. I have been reading up on McBSP based communication. ...

EDMA problem on DM642.   [2 Articles]

Hi, I have a custom DM642 board. I am using the Video Port 2 for Video In. McASP0 for audio and McBSP1 configured as UART. 1).McASP0 +EDMA ( Ch 12 , Ch 13)is configured for audi...

Stop EDMA data from being sent continuously   [7 Articles]

Hi there, I am sending data to McBSP thru EDMA. I am using linked buffers to do this and this is working well. But I have disabled the EDMA in the inte...

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...

help: using edma with aic23 on dm642   [2 Articles]

Hi all, I am trying to play audio through the aic23 on the dm642 using edma. But how do i get the mcasp to generate the edma event as the aic23 is connected throug...

EDMA vs. CPU memory access

Hi all, I'm using EDMA3 for infinity loop data send from a Buffer[] (in L2 memory) to a McBSP0 on C6455. When I start McBSP triggered EDMA transmission, everything is ok, uni...

EDMA under DSP/BIOS II   [13 Articles]

Has anyone an example code using C6711's McBSP with EDMA under DSP/BIOS II? Specially I am interested in the initialization sequence. I have written a test progra...

Pin connect tool and edma

Dear Friends Why when I use pin connect tool from CCSIDE simulator to simulate EXT_int4, it can not drive the edma channel 4. (It doesn't creat an event for edma channel ...

unsynchronized EDMA transfers   [2 Articles]

Hi all : Question on EDMA transfers: (pertains to 6711 DSK) What memory-mapped EDMA registers do I need to set if I want to an unsynchronized EDMA transf...

EMIF and EDMA.

Hello. I would like to connect a TLC876, which is a rapid ADC, to a 6711dsk. Has someone ever done that, or something similar? I have connected the ADC to...

Timer - EDMA inerface code

Hi all, Would like to know if someone can share with me basic code, involving TIMER EVENT and EDMA. I want to implement TIMER controlled EDMA transfer (EDMA tr...

Different between Codec, Mcbsp, edma...

Hello everyone, I'm a newbie in DSK C6713... I'm working in some project and I only use codec (DSK6713_AIC23_read & DSK6713_AIC23_write) for data transfer. And it works, I mean th...

EDMA transfering 16 bits elements slower than 32 bits ???   [2 Articles]

I work with TMS320C6713 processor. I have a strange problem now - I want to use EDMA to transfer 16 bits elements instead of 32 bits. And it seems the transfer is slower. I didn't ...

MCBSP event issue

Hi All, I am using the DSK6455 as my development platform. I try use the EDMA to handle the data transfer via the MCBSP channel. I can transfer the data perfectly if I use pol...

edma interrupt

Is there any document\manual which explains how to generate interrupt from an EDMA controller,any sample project will be more helpful.Further how can we generate interr...

EDMA_intDispatcher

Hello everyone, I am using EDMA channels in TIC6713 and i am using CPU triggered EDMA's and some GPIO triggered EDMA. And there are sometimes when I use EDMA channels ...

C6455 - EDMA to McBSP

Hi, which configuration of arbitration register is the best one for EDMA to McBSP transfer? I have problem... when CPU start write into L2, EDMA-to-McBSP transfer starts to...

EDMA McBSP example

  Hello! I was trying out the EDMA-McBSP example provided by TI which takes an audio input and outputs the same by using EDMA transfers for the McBSP0 of the 6211...

Problem about HPI's EDMA transfer   [2 Articles]

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 from the DSP via the HPI...

EDMA priority queue length on C64xx devices

Hello, According to the C64xx peripheral guide (spru190d) and its "manual update sheet" (sprz122c), there are 4 priority queues for the EDMA controller on C64x...

trouble use EDMA interrupt   [3 Articles]

hi all: I have some troubles to use my EDMA of C6713 to recive and transmit my audio signal. I use edma to recieve and transmit my audio signal frames (128 points) independ...

EDMA - EMIF maximum speed.   [9 Articles]

Dear all, I have already implemented EDMA-EMIF to read Frame Buffer ALL422B using asynch 8-bit which come from CMOS Sensor. I found out that the maximum speed ...

Problem with EDMA / TMS320C6713 DSK

Hello, I am playing a tone on TMS320C6713 thanks to McBSP & EDMA with Ping- Pong stuff. That works fine. Now, when i press a DIP switch, for some reason, i ...