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Codec driver   [2 Articles]

I am using Code Warrior 6.0 for DSP56800E evaluation board and have been looking at the Codec.mcp project.  This is being compiled using SDK libraries (subdirectory "no...

i need some help....!!

hi all, i am new to this group. first of all let me introduce myself to u all. my name is Praveen. i am post graduate student in Indian Institute of Informatio...

The Codec and the FFT

Hi everyone. Let me going to the point. I'm using the SDK libraries with my codewarrior code. When I use the code, i simply use the "open" funtion. My board (DSP5...

DSP56858EVM Codec

OK. I have the codec running both at the independent and dependent level on a DSP56858EVM. I am really looking to strip this driver down to a two sample depth (one ...

sampling low frequencies with 56311EVM

Hi, I am using 56311 EVM in sampling two signals..one of my signals has frequencies well below 30 Hz..But I noticed that the codec is AC coupled with a high cutof...

Need help on G726 codec linking on DSP56F807   [3 Articles]

Hello, We are unable to link codec module to our application on DSP56F807 Evaluation board.While linking we are getting following link errors. Link Error : Unde...

Problems with the 56824EVM

Hi everyone...does anyone has problems using the codec of the DSP56824EVM???. Let me explain. I generate an square signal (using a protoboard) and use it as input...

DSP56827 Codec   [4 Articles]

I¹m working on a project for school and have been giving a DSP56827. I¹ve installed the Motorola SDK 2.41 and have tried to run the Codec sample project that came w...

need an Efficient Codec Interface method for 56858EVM

Hello, I'm currently trying to get an algorithm to run in real-time, but I am running out of MIPs. Here are the specifics and I appreciate any suggestions offe...

24-bit data on 56852

I have an external 24 bit audio codec I have attached to the ISSI port of the 56852 EVM. The codec only provides a 50/50 fram sync pulse (high to denote left low to...

SSI interface to codec on 56F827 EVM board   [2 Articles]

Hi. I have 2 questions regarding using the I2S protocol with the SSI for the 827 EVM board. First, does anyone have any sample code for configuring and running the ...

codec example in Embedded SDK for DSP56800E

hi I have installed the embedded sdk along with dSP56858EVM. I opened the codec.mcp project. I was able to build the project sucessfully but didn't find the de...

IIR filter usage with DSP56858EVM   [3 Articles]

Hello, I am new to the group as well as to the Motorola DSP56858EVM. I am trying to implement a simple IIR filter, but it is not working properly (i.e. the cut...

Problem with SDK and Two Codec DMA on 56585

Problem with SDK and Two Codec DMA on 56585 Does anyone have any experience using DMA for two codecs with a DSP56858?  I can get the first Codec working fin...

[ DSP5685x ]

Does anyone have a working codec for this evm... or can help me write one that works with the Codewarrior 6.0 ...

link error   [4 Articles]

Hello, I have started using the 56F826 EVM and am still getting to grips with Codewarrior and the SDK. When I compile the Codec example using external memory i...

Re: LP filter using demo assembly app for SYMPHONY SOUNDBITE   [3 Articles]

Hi, please not that the assembly code template uses almost all registers, see p. 4-18 in the SNDBASMTPL.pdf: Table 5-1: Reserved Registers and their usage. Register Descri...

New DSP board using the 56311

Hello all, I have been using the DSP56311EVM for some time now but the size of the board makes it difficult to use in all but the largest of projects. So I dec...

SPI protocol with DSP563xx SCI port   [2 Articles]

Hi to all, I already got some help from this forum a few months ago, maybe you can help me this time again. I need to communicate with the control po...

Re: where to start

Dear Jacques, I will help you the best I can. Some questions : - what is the carrier frequency ? - do you need to implement error corrections schemes ?...

PLAY MUSIC ON MSC8101

Hey there, I want to connect my computer output to MSC8101 input and then take speaker o/p from it to play some music. What I know so far is that I have to initil...

AMR code DSP56300 implementation

Hello Everyone, I am using a Motorola DSP56311 for audio processing on a project and would like to implement AMR audio codec on it. I was wondering if I can...

I2S on 56F series...

I'm trying to use the codec on the 827EVM board. While I understand the I2S protocol, I'm not clear on how things work on the software side. Since the dsp is interr...

Interfacing DSP56307 Ev.Board

Hi, I'm an electonic engeneering student working with other students on a microphone beamforming project. Our problem is that we have to enter 4 audio signals int...

56303EVM cosine lookup table output problem

Dear all, I am trying to implement a QAM in 56303EVM. I have a weird problem that confuses me. For creating the necessary sine and cosine signals I am using a 16 valued lookup ...

Application brief BR1544/D   [3 Articles]

Hi all, In the motorola app. brief to design a class D amplifier, the author states that to work out the PWM value register, the following formula applies: ...

Multichannel G726 Questions

Multichannel G726 Questions Hello all, I am attempting use the G.726 ADPCM Codec Library in the Motorola SDK with a DSP56858.  I have no problem wi...

RE: Dynamic time delays from single unified memory block

This depends on your implementation. Assuming you are using a circular buffer and an interrupt routine to send samples to a codec, the way to add delay is to sim...

DMA with flash???

Hi all. I have a program that writes code to flash memory in the DSP56303EVM, and I have proved with some programs involving SCI, ESSI, etc. and they worked fine. ...

Using ESSI with DMA on a DSP56853   [5 Articles]

Hi all, Can someone offer some help with DSP56853 DSP ESSI with DMA? My application is used the 56853 to interface a multiple channel audio codec from Analog d...

Linker errors with G726 codec library

Hello All, I'm working on DSP56F807 EVM.While trying to link my application with codec G726 library i'm getting following linker errors.Could ano one help me in r...

Re: Soundbite (DSP56371) and 192kHz sampling   [3 Articles]

Hi, Please note that AK4584 does not support 192K ADC but it do can generate LRCLK/BCLK clock for AK4556. From the features list of AK4584 data sheet( http://datasheet.digchi...

DSP56307evm RS232 problems   [2 Articles]

Hello everybody!... I'm new here, and I have some problems with a motorola DSP56307evm board. I'm doing a proyect that implements real time digital filters with the EFCOP co-pro...

Re: Re: 56800/E Trial   [2 Articles]

I am of the opinion that Code Warrior is complex, with lots of features and options, but as a result is not necessarily easy to learn or use.   SDK for 56800 is also ver...

Re: DSP56858EVM, CW6.0 & SDK2.0E

I tried to send a file "nos.zip" to m...@yahoogroups.com  to help t...@yahoo.com  but that site would not accept it due to file size.  If any one else wants a co...

Re: EVM56F827 ADC Problem...   [2 Articles]

Over the last day I have convinced my self that the proplems I am having with the ADC are in silicon and not software. I have tried both sample applications 5-24 an...

Re: GPIO interrupts in DSP56F827

Hi all, After a few weeks of breaking everything around me, I found the problem with the GPIO interrupts: I'm using port C on the DSP56F827 and it's pins are m...

Re: processing stereo data using pass.asm

Arun, I think your problem is due to the fact that the codec of your board transmits and receives the data in the same sample period. If your processing code i...