adt Sport and DMA

Started by shwetha shwetha in Analog Devices DSPs15 years ago 10 replies

Hi, I am kind of new to this ADSP.... I am working on the ADSP BF533 EZ-kit lite example "Audio talk through" ..... ...

Hi, I am kind of new to this ADSP.... I am working on the ADSP BF533 EZ-kit lite example "Audio talk through" ..... In the C code they have set the SLEN=24,since the codec(AD1836)sends 24 bits.... but then the DMA transfer is32


ADSP 2191 early frame sync

Started by nickolayorekhov in Analog Devices DSPs10 years ago

Hello! We're using SPORT with external frame sync, external SCLK. SPxTCR = 0x85E1, dma descriptor mode (and even just simple writes to...

Hello! We're using SPORT with external frame sync, external SCLK. SPxTCR = 0x85E1, dma descriptor mode (and even just simple writes to SPx_TX). We need an early sync, but independent of setting LATFS we get late sync. Why?


EE-191 Software UART for ADSP21262

Started by bobkruse1501 in Analog Devices DSPs13 years ago 2 replies

Hi, Has anyone translated the assembly code for Analog Devices EE191 "Implementing a Glueless UART Using the Sharc DSP SPorts" from ...

Hi, Has anyone translated the assembly code for Analog Devices EE191 "Implementing a Glueless UART Using the Sharc DSP SPorts" from it's ADSP-21161 to the newer ADSP-21262 and ADSP21363? The SPort interrupt registers changed with the part change. Before I re-wrote it, I thought I'd see if anyone had one they felt like sharing.


ADSP21161 EZ-kit SPORT problems...

Started by in Analog Devices DSPs16 years ago 1 reply

Hi, I've recently started up my 'ADSP21161N EZ-LITE' development kit. When I try to use the serial port the serial port...

Hi, I've recently started up my 'ADSP21161N EZ-LITE' development kit. When I try to use the serial port the serial port interrupt is continously triggered and the program gets into a locked state. Why is the port triggering, there is nothing connected to it? The serial c


Simulating SPORT DMA on 65L

Started by andor_bariska in Analog Devices DSPs15 years ago 3 replies

Hi all, I'm getting some unexpected results from the following setup, and perhaps someone has an idea why. I am simulating...

Hi all, I'm getting some unexpected results from the following setup, and perhaps someone has an idea why. I am simulating a 65L program. The simulator uses SPORTs streaming to read data from a file. The DMA reads a block of data (say 80 32bit words), then an inte


SPORT autobuffering problem on EZ ICE ADSP-218x

Started by steh...@hotmail.com in Analog Devices DSPs12 years ago 1 reply

Hi, First of all I am sorry if you are receiving multiple copies of this mail. I am trying to program and communicate with CODEC AD73311AR on...

Hi, First of all I am sorry if you are receiving multiple copies of this mail. I am trying to program and communicate with CODEC AD73311AR on SPORT0. I have programmed the CODEC to work at 1.024MHz SClock and 32KHZ sampling frequency. I am using I2 and I3 for initializing SPORT0. I am attaching the code for CODEC and SPORTs initialization function. It is clear from the code that I have buffers...


SPORT of 21061

Started by Anonymous in Analog Devices DSPs18 years ago

Hello! I'm working on a project involving SPORT1 transfers from a host processor to 21061 on an EZ-Kit Lite board. Host...

Hello! I'm working on a project involving SPORT1 transfers from a host processor to 21061 on an EZ-Kit Lite board. Host will send different number of words depending on what task Sharc is to perform. Words are to be used by Sharc during program execut


I2S question on 21065L

Started by Andor Bariska in Analog Devices DSPs17 years ago 1 reply

I have the following setup: On the 21065L, the Transmit SPORT 0 is configured for I2S slavemode (external transmit frame syn),...

I have the following setup: On the 21065L, the Transmit SPORT 0 is configured for I2S slavemode (external transmit frame syn), with two I2S lines connected to ports 0_A and 0_B, each line carrying a stereo signal (left and right channel). There seems to be no bit in the


Help on ADSP 21161

Started by wuta5 in Analog Devices DSPs15 years ago

I am having a problem with my ADSP 21161. I am using the serial port#1 for my input from Audio Precision. If I use 16-bit input ...

I am having a problem with my ADSP 21161. I am using the serial port#1 for my input from Audio Precision. If I use 16-bit input format, I can pack the two channels (AP always outputs 2 channels together although I only need one) into 32-bit words and separate them in the SPORT interr


UART on ADSP21363

Started by in Analog Devices DSPs11 years ago 5 replies

Hello I need to implement UART on ADSP21363. I find EE note on Analog web site for previous Sharc, solution is based on SPORT. Does anyone...

Hello I need to implement UART on ADSP21363. I find EE note on Analog web site for previous Sharc, solution is based on SPORT. Does anyone have experience on 2136x. I also find MAX3100 chip (UART on SPI), Does anyone have experience with this chip ? Thanks in advance


About the transmission between DAI and AD1835

Started by sang...@gmail.com in Analog Devices DSPs11 years ago

Hi, Thank you for your help. The AD1835's data is in 24-bit format. In "Sample Playbcak" example for ADSP21364 "(*pTXSP1A)= (int)temp <

Hi, Thank you for your help. The AD1835's data is in 24-bit format. In "Sample Playbcak" example for ADSP21364 "(*pTXSP1A)= (int)temp <


21065L multichannel SPORT restriction

Started by Anonymous in Analog Devices DSPs18 years ago 1 reply

Hello all, the 65L has two serial ports, 0 and 1. Each serial port consist of two seperate data lines, A and B, making a total...

Hello all, the 65L has two serial ports, 0 and 1. Each serial port consist of two seperate data lines, A and B, making a total of four serial I/O lines. I seem to remember that when a serial port was operated in multichannel mode, it could not operate both A and B


Autobuffering on 2191

Started by uri_nix in Analog Devices DSPs17 years ago

Hello all, I'm trying to get SPORT0 to work in Autobuffering DMA Mode. I've based my design on the example supplied by ADI ...

Hello all, I'm trying to get SPORT0 to work in Autobuffering DMA Mode. I've based my design on the example supplied by ADI (...\Examples\Simulator Peripheral Examples\SPORT), which uses descriptor based DMA. My problem is that although the SPORT0 does receive data


SPORT INTERFACE

Started by Anonymous in Analog Devices DSPs20 years ago 1 reply

Hello all! I am trying to interface two circuit boards by cross connecting SPORT1 transmit data line with SPORT0 receive data...

Hello all! I am trying to interface two circuit boards by cross connecting SPORT1 transmit data line with SPORT0 receive data line (ADSP-2115). I am having some success since I added 33 ohm series terminations on clock, data and frame lines. One of the frustrating things is th


ADDU-21160-EZLITE SPORT Cable

Started by Jaime Andres Aranguren Cardona in Analog Devices DSPs16 years ago

Hello, guys. I need your help to find out how to get a cable for interfacing the ADDU-21160-EZLITE SPORT0 to external circuitry....

Hello, guys. I need your help to find out how to get a cable for interfacing the ADDU-21160-EZLITE SPORT0 to external circuitry. Although in the manual it states that reference number DRFFC10X7RHU-RHU5, described as "Straight-through assembly with locking connector on each end&q


MAC operation using XOR?

Started by sandeep kumar in Analog Devices DSPs15 years ago 1 reply

Hi all i want MAC operation with incoming one bit data (thru SPORT 1).with locally genrated 1 bit data. so far i have been...

Hi all i want MAC operation with incoming one bit data (thru SPORT 1).with locally genrated 1 bit data. so far i have been shifting one bit and storing it in another data variables. this way i am using 32 float dm and then multiplying it with local data. is there any eff


BASIC SHARC HELP.

Started by paul...@btinternet.com in Analog Devices DSPs8 years ago 1 reply

Hi, I'm new to DSP programming - though I have experience in assembly programming of micro-controllers. I have a Analog Devices AD-21479 SHARC...

Hi, I'm new to DSP programming - though I have experience in assembly programming of micro-controllers. I have a Analog Devices AD-21479 SHARC EZ-KIT, and I'm trying to program an audio pass-thru using the boards SPDIF In and OUT connectors. I'm using the on-chip SPDIF receiver to take my incoming SPDIF input stream from the SPDIF input socket, and feeding this on to the SPORT 0 serial in. Simi...


AD73322 Dual AFE communicates with ADSP-2189m?

Started by tylu in Analog Devices DSPs16 years ago 1 reply

I am using 2189m EZ-kit which has a dual Analog Front End AD73322. It is used as a 2 channel ADC and DAC. Does anyone has any...

I am using 2189m EZ-kit which has a dual Analog Front End AD73322. It is used as a 2 channel ADC and DAC. Does anyone has any experience handling the program that communicate between AD73322 and DSP through SPORT? I tried the Talkthrough.asm demo program but it was only for 1 c


Anybody interfaced AC '97 codec to BF533

Started by mall...@yahoo.co.in in Analog Devices DSPs12 years ago 2 replies

Hi! Iam little bit poor at my english so, please read upto end Iam new to AC '97 Audio codecs.... i want to interface AC'97 codec to...

Hi! Iam little bit poor at my english so, please read upto end Iam new to AC '97 Audio codecs.... i want to interface AC'97 codec to BF533 using SPORT interface in multichannel mode........but iam getting problems in the interface.. In Ac'97 codec specifications I have seen we will be having a slot 0 which will give validity of all the slots following which is of 16 bits wide for which...


ADSP-21364 EZ-KIT LITE

Started by Marco Ridolfi in Analog Devices DSPs13 years ago 1 reply

Hello everybody, I have an important question for you. does anybody know about the 90-pins connectors of the 21364 EZ-KIT LITE board. I...

Hello everybody, I have an important question for you. does anybody know about the 90-pins connectors of the 21364 EZ-KIT LITE board. I need to use the PWM, SPORT and SPI but i didn't find any document about them. I hope they are accessible. Thank you, Alex Chiacchiera con i tuoi amici in tempo reale! http://it.yahoo.com/mail_it/foot/*http://it.messenger.yahoo.com