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DM642 PCI Master reads not starting
Hi DSPers. I want to do a master PCI read from host memory. My test code looks something like this... Uint32 dsp_addr = 0x81000000; Uint32 host_addr = 0x1ef60000; Uint32 count = 64; Uint32 ctlreg; .... VFDM642_init(); CSL_init(); .... ctlreg = count << 16; PCI_xfrConfigArgs(dsp_addr, host_addr... 29 Sep 2006 05:21
Code COmposer studio3.2 version: Build Error
Hi I am facing one Issue with CCS 3.2version . It is giving the message as below. -------------------------- Test.pjt - Debug -------------------------- Build error: cannot run vlnk. Build Complete, 1 Errors, 0 Warnings, 0 Remarks. I am not getting what's the error or where I am going wrong. But it... 26 Sep 2006 18:35
using the edma channel of c6713 dsp
Hi all. I am trying to use the edma channel of my c6713 dsk, in order to take 8-bit data, from a daughter card (address 0xA0000000) and store them in the sdarm (address 0x80000000). Can anybody tells me what i have to do? Which functions i have to use? I have written a code based on the data sheets but unfortu... 18 Sep 2006 03:36
Booting the 56371 via serial EEPROM
Hello, I'm using the 56371 DSP and I have to boot it with serial EEPROM in I2C-Mode. The Procedure is described in the manual, but I do not know how to make a boot image from the *.cld file. I managed to make a .s file using srec.exe and then I converted that to intel hex format. Now, I don't know how to put the... 21 Sep 2006 12:44
Help with a aplitude respons?
Im looking at an aplitude response of an ADC fr?n Linear Technologies, LTC2440 (Figure 11 on page 19 in the data sheet).,C1,C1155,C1001,C1152,P1771,D3135 The deep notches seems to come from a Sinc4 filter, but where are the other smaller notches comming fr... 12 Sep 2006 06:52
When I connect F2812 XDS510 Emulator to the target board the error " Error connecting to the target: Error 0x80000200/-1037 Fatal Error during: OCS, PTI_ERR_EMU_CLOSE Error Occured at 0x00000000 Sequence ID: 0 Error Code: -1037 Error Class: 0x80000200 I/O Port = 240 Board Name: F2812 XDS510 Emulator ... 27 Jul 2006 08:28
This is a MATLAB code for DCT and DWT Compression. I tried this code with 512X512 TIF image. The DCT part worked fine, but I faced some problems with DWT compression. The output image was just blank. Any help regarding this will be highly appreciated!! inp_image=imread('c:\zenacolor.tif'); inp_imaged=double(inp... 17 Jul 2006 15:44
TalkThrough ADSP BF533
Hi, I'm programming an ADSP-BF533 EZ-KIT Board for audio signal processing. In main file of "Talkthrough" (by Analog Device) there's the following declaration: // array for registers to configure the ad1836 // names are defined in "Talkthrough.h" volatile short sCodec1836TxRegs[CODEC_1836_REGS_LENGTH] = { ... 30 May 2006 10:12
ping: Jim Thompson
Jim, I was perusing your website and happened upon your patent regarding demodulating of FSK. Is this the currently easiest/best way to decode FSK? Or would I be better off doing with SW and microcontroller? I was thinking that a comparator with hysteresis to minimize noise could be used to 'square up' the inp... 26 Apr 2006 16:12
FFT in OpenCV
I use the function cvDFT in Visual C++. But i don't find the same Matlab 's result with the function fft2. Why? for the vector [0 0 1], Matlab return [1, -0.5+0.866i, -0.5-0.866i], and with the function cvDFT in OpenCV i have [1, 1, -0.5-0.86i] for the same vector. I don' t understand why. Please help me. ... 13 Mar 2006 09:15
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