TI 5402 connect AC97 Codec

Started by steven.shiou in TMS320c54x18 years ago

We have a big problem with TI5402 connect AC97 codec . We used AD1885 (AC97 device) . We used Mcbsp0 to connect AC97 codec . Setup...

We have a big problem with TI5402 connect AC97 codec . We used AD1885 (AC97 device) . We used Mcbsp0 to connect AC97 codec . Setup AC97 codec as slave mode , the DSP timeing will ok . But AC97 codec do not have any response ! If we make AC97 codec as Master mode , that meant BCLK(R/


Codec

Started by Vasanth Machado in TMS320c54x18 years ago

Hi All I'm using DSK5402 CCS and the codec TLC320AD50 for my application. For my work I would like to send a voltage of 0v as well...

Hi All I'm using DSK5402 CCS and the codec TLC320AD50 for my application. For my work I would like to send a voltage of 0v as well as 2.5 volts from the DSK to Codec. This out put voltage from the codec will power up my board wich is connected DSK.MY question is Is there is any metho


configuring codec so that fs=500Hz

Started by Marlo Flores in TMS320c54x18 years ago 3 replies

Hi friends, I program the c5402 in C language. I see in the codec example that the sampling rates i can configure the codec...

Hi friends, I program the c5402 in C language. I see in the codec example that the sampling rates i can configure the codec are only 2kHZ-16kHz using the available function. How can I make the codec to sample at 500 Hz? Is there some other C-callable function which I


CODEC problems 5402dsk

Started by Alex Bluett in TMS320c54x16 years ago

I need to write out a sine wave to the codec then read it back in. There are loads of examples that show how to read in through the ...

I need to write out a sine wave to the codec then read it back in. There are loads of examples that show how to read in through the codec then write it out, but not the other way around. I tryed changing round the codec example but it didnt work. My code uses timer interrupts, i have


AD50 codec

Started by Ahmed Fathy Mohammed in TMS320c54x17 years ago

hi everybody, i am using the DSK 5402 to make a project, and i want to use the codec on it. i use code compose studio v.2. ...

hi everybody, i am using the DSK 5402 to make a project, and i want to use the codec on it. i use code compose studio v.2. i initialized the codec and tried to send a sine wave and recieve it again. the problem is that, when i connect a speaker to the kit i


DSK5402 Codec demo

Started by kannuris in TMS320c54x18 years ago

hi all, I am new to C54x. Actually I am trying to execute Codec example, which is in examples directory. I have followd the...

hi all, I am new to C54x. Actually I am trying to execute Codec example, which is in examples directory. I have followd the instructions given in the readme.txt file. " I have downloaded the codec.out program to dsk, then I was configured the windows hyperter


Regarding codec

Started by sahana rao in TMS320c54x18 years ago 2 replies

Hello I am trying to work on CODEC. 1. when i tried to run the eg program of codec given by the TI it ran successfuly and...

Hello I am trying to work on CODEC. 1. when i tried to run the eg program of codec given by the TI it ran successfuly and i checked out that i am getting a sine wave on pin 23 of TLC320AD50 chip. when i halted the program the CLKMD changes to 4007 which is 1


ask CR setting on codec

Started by anc ers in TMS320c54x17 years ago 1 reply

we're working on a project which interfaces an external codec (EVM TLV 320 AIC 10) to a DSK TMS 320 VC 5416, using DMA channel. ...

we're working on a project which interfaces an external codec (EVM TLV 320 AIC 10) to a DSK TMS 320 VC 5416, using DMA channel. we're having problem setting the Control Register (CR) for the AIC 10 codec. as we know, there are 2 ways to set the CR : Direct Configuration Serial


Reference C source code for G.726 codec

Started by rani thayammal in TMS320c54x17 years ago 1 reply

Hai, I have to work on G.726 codec on C54x architecture.For that i need G.726 C source code and also i need to know how to...

Hai, I have to work on G.726 codec on C54x architecture.For that i need G.726 C source code and also i need to know how to calculate MIPS for G.726 codec . Thanks in advance. Rani.


turn off the DC filtering of the codec of DSK5402

Started by cheto2001es in TMS320c54x18 years ago 1 reply

Hi Everybody! i have a trouble: i am trying to use the audio codec of the board, but it has an analog stage before the codec (50ad)...

Hi Everybody! i have a trouble: i am trying to use the audio codec of the board, but it has an analog stage before the codec (50ad) that eliminates DC (i see on the schematic "5402_DSK_schem.pdf"). If i need this DC, it would work if i short-circuit the capacitors. This als


codec running at different frequencies

Started by sahana rao in TMS320c54x18 years ago

hello i am trying to program the onchip codec TLC320AD50C on TMS320VC5402. the program i have written is shown below. here i...

hello i am trying to program the onchip codec TLC320AD50C on TMS320VC5402. the program i have written is shown below. here i am setting the sample rate of the codec depending on the input frequency. but it works only for some frequency can anyone tell me what is the


codec and codec_bios

Started by fantastic in TMS320c54x18 years ago

Hi All, I'm trying examples with 5402DSK & CCS2.0. I tried codec and codec_bios in the directory C:\ti\examples\dsk5402\dsp....

Hi All, I'm trying examples with 5402DSK & CCS2.0. I tried codec and codec_bios in the directory C:\ti\examples\dsk5402\dsp. I succeeded in codec_bios. But in case of codec, nothing can be heard from the speaker with the audio input. I think these two e


Digital loopback of codec AD50 on C5402 DSK

Started by Wei Wen Dai in TMS320c54x20 years ago

Hi, I am programming the codec AD50 onboard the C5402DSKplus now. I could write to the codec registers correctly by a series of...

Hi, I am programming the codec AD50 onboard the C5402DSKplus now. I could write to the codec registers correctly by a series of primary and secondary communications. With diffrent control words, I could change the gains and the sampling rate. However, once t


evmc54x codec tests failed

Started by psc_vikram in TMS320c54x18 years ago

Hi, I just got my first dsk board. its a 5402.and ccs 2.0 I ran the utility evmdsktest.exe under C:\ti\c5400\dsk5402\utilities>...

Hi, I just got my first dsk board. its a 5402.and ccs 2.0 I ran the utility evmdsktest.exe under C:\ti\c5400\dsk5402\utilities> It ran fine till it started sanity tests on the codec where it failed saying ***** Codec Confidence Tests. DSP 0:


C5402 DSK asm code for codec

Started by Doreen Yeo Lee Guek in TMS320c54x20 years ago

Good day. 1)Just like to find out whether anyone try to hand code in assembly for C5402 DSK codec example? examples in DSK are...

Good day. 1)Just like to find out whether anyone try to hand code in assembly for C5402 DSK codec example? examples in DSK are C coded and clueless about the memory mapping, interrupt setting etc. 2) Tried to implement asm code for codec... setup McBSP1 and DMA ch


McSBP initialization

Started by Manish Varma in TMS320c54x14 years ago 1 reply

Hi All, We are developing basic analog phone using TMS320C54CST and MSM7716 as codec. Codec is going to be connected at McBSP0...

Hi All, We are developing basic analog phone using TMS320C54CST and MSM7716 as codec. Codec is going to be connected at McBSP0 for audio data and McBSP1 configured thru SPI for control data. I need to know how we can configure the McBSP for our codec (MSM7716), we have tried to configure but looks like its not working for us. So any suggession how to do this or ...


Re: Codec & Eval Board

Started by eagl...@gmail.com in TMS320c54x13 years ago

> > > > ok, please forgive me... I new at dsp coding :) > > I recently got my hands on the EVM320VC5416 eval board from...

> > > > ok, please forgive me... I new at dsp coding :) > > I recently got my hands on the EVM320VC5416 eval board from Spectrum Digital. > I've started coding and all I want to do is pull data off the codec and push > into one of these fancy PIPs. I can't seem to find sample code to do this > though :( I can read the codec fine via the serial channel but I don't see how


Clarification regarding TLCAD50C codec.

Started by Santosh M Nadig in TMS320c54x19 years ago

Hello, I am using 5402 EVM in which the TLCAD50C codec is interfaced with 5402's serial port. The codec data sheet specifies...

Hello, I am using 5402 EVM in which the TLCAD50C codec is interfaced with 5402's serial port. The codec data sheet specifies that a single pole RC filter (anti - aliasing)to be used before the INM and INP pins (analog Input).The RC filter that they have provided has a cut-off


Re: problem with speech quality for tms320c54cst & msm7716 codec

Started by Jeff Brower in TMS320c54x14 years ago

Hirpara- > We are using TI DSP TMS320C54CST and CODEC from OKI(MSM7716) to > build a simple pstn phone. We are having problem with audio...

Hirpara- > We are using TI DSP TMS320C54CST and CODEC from OKI(MSM7716) to > build a simple pstn phone. We are having problem with audio quality > when call on pstn line and playing audio to speaker using codec. We > are using McBSP0 to communicate with CODEC and McBSP2 for DAA(line) > interface. > > We have tested loopback and audio quality is fine. What we did in > this test is sent


codec Problem

Started by mahmood molaei in TMS320c54x12 years ago

Dear Group I Faced with a problem that I don't know how to deal with it When I Read and write on codec in (dsk 5416) it does't work. I run...

Dear Group I Faced with a problem that I don't know how to deal with it When I Read and write on codec in (dsk 5416) it does't work. I run the default Tone program but it seems that dsp couldn't write on codec my program is #include "tonecfg.h" #include "dsk5416.h" #include "dsk5416_pcm3002.h" #include #define SINE_TABLE_SIZE 48 #define PI ((double)3.14