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Host to issue an interrupt to C6415 via PCI   [5 Articles]

Dear DSPers, I need to design a communication scheme for C6415 to be able to communicate with a host processor. I am wondering someone could explain to me how ...

PCI interface on C6415

Hi All, We just had prototype communication board using C6415. When I implemented the driver on WinNT 4.0 for this board and test it from host, I found: 1. the...

Hook 32bit SDRAM to C6415 EMIFA   [2 Articles]

Hi all, Anyone has the experience of connecting one 32bit SDRAM to EMIFA of C6415? My questions are: 1) Is this OK, given the fact that 32bit data lines of...

C6415 boot configuration resistors

Hi, Is it possible to connect multiple DSPs (C6415) configuration pins together and share one set of configuration resistors? The scenario is like this: 8 C6415 fo...

CCS Bring up through JTAG for C6415   [3 Articles]

hi all, I am facing problem in bringing up CCS through JTAG for C6415 .Since all conections to JTAG header is less than 6 inchs i am not using any signal bufferin...

how to get 500 MHz from C6415 PLL

I heard today from one of our engineers that C6415 has only 1x, 6x, and 12x mulipliers available for its onchip PLL. For the 500 MHz version of the device,...

c6415 booting from PCI interface   [2 Articles]

Hi, I currently have a c5402 booting via serial (code & data loaded from the serial port), however i have now moved to the c6415 and am looking to boot the pro...

Memory Protection on C6415 ?   [2 Articles]

Hi, If I'm not mistaken, when the C6415 connected to a host system as a PCI target device, the host or any other master device on the PCI bus can access to C64...

C6415 PCI Woes :|   [4 Articles]

Hi DSP'ers, I am currently trying to build a dsp driver for linux to work with our c6415. I have managed to load some code into the dsp's memory over the PCI i...

Large (>64KB) PCI transfers with C6415 DSP   [5 Articles]

Hello, Does anyone has an idea on how I could transfer large blocks of data (>64KB) through the PCI interface of a C6415 DSP using the DSP MASTER mode ? I...

Fifo connection to C6415   [3 Articles]

I want to connect a fifo with width of 16 bit to C6415 EMIFA . To read the fifo using PDT ( peripherral device transfer ) The EMIFA has a 64 bit width SDRAM as the...

Trouble with McBSP running at 8M on C6415   [5 Articles]

Hi, I am developing a new board utilizing TI's C6415 chip and H.110 Framer. I have some troubles with the McBSP port when the the serial port is running at 8M. ...

6415 starter kit

Can anyone tell me a good starter kit for c6415? and if it is available in India? The TI website mentions only 6416 DSKs ...

C641x heat question   [5 Articles]

We're working with multiple C6415 board, and we've noticed that when C641x devices are held in Reset, they actually generate more heat than when running. The chips work t...

Re: PCI expansion daughter card for 6416DSK

Alok- > This is for academic purpose. Could you provide some names/links to > those PCI cards? I suggest to enter this in Google: C6415 PCI board Generally...

CCS - Defining callback for a C library in C++ code

I am writing a C++ application on C6415 using CCS 3. I use a C library for which I have to provide an interrupt handler (thus, that function will be called using the C call...

Correct Scaling Factor from Q15 FFT output to Float   [2 Articles]

I get the correct FFT output "shape" of a say sine wave using DSP_fft16x16t with C6415, but the it is in Q15. How can I accurately scale it back to a float value? Do I just hav...

SDRAM Bandwidth   [2 Articles]

Hi all, I'm new in DSP. Could you please help me in finding the max SDRAM bandwidth in a C6415 DSP? Something else, I want to connect my DSP to a FPGA through EMIFA and use EMI...

RTDX problem

Hi, I'm using TI's C6415 processor, C6400 xds560 board and CCS 2. When I try the RTDX tutorials, I can't enable the RTDX function in CCS. I got the message ...

Position of __STACK_SIZE symbol   [3 Articles]

Hello, I'm writing a C6415 app with CCS2.1. I have some problems with the linker. The __STACK_SIZE symbol is defined by the linker and used to initialise ...

Code Composer Studio Support   [2 Articles]

Hi, We're moving to C6416 from C5416 for one of our products. I've seen at the C6000 CCS page that this release of CCS supports simulator only for C6414,C6415,C641...

Linker error : relocation value truncated   [4 Articles]

Dear All, I'm using CCS 2.1. / C6415. I'm working on a video encoder. Most of my codes are written in C language. Some in Linear Assembly. Previously, my ...

Re: Allocating Structures and memory mapping

Laurent Desnogues wrote: > > Does any body know how data structures are organized in > > memory by the compiler of code composer. I failed to find > > any reference that ca...

FW: usage of CSL/PSL functions

Simha, The reason the PSL and CSL have similar functionality is that PSL is being phased out and CSL is its replacement. All current and future software develo...

Re: PCI data transfer (dm642 DSP)

Geckook Xu- > Thank you for your reply. > 1) I don't know what did you refer to 'PMC'. But I am sure my card > implements PCI bus interface. Ok. I mentioned PMC because...

Re: 6711 to 6201

Andrew- > I think the biggest difference in the L2 cache. In my opinion this makes the 6711 a much better processor. For certain applications, the L2 cache ...

question on DAT module

Dear All, I'm confused with the DAT module of DSP/BIOS. I'm using C6415 chip. According to the help, before begin any DAT_copy / DAT_fill tranfer, the DAT...

Re: Interfacing the C64x DSP to an I2C Bus   [4 Articles]

Gio, Unfortunately Jeff's answer address only the DM642 side while I understand your most issue is on the C6414 side. You should try to "translate" the proposed C54 code int...

Re: PCI data transfer (dm642 DSP)

Geckook Xu- > Thank you for your idea. > I try internal mem in this time, I can read the data from PC (host). Ok that's good progress. > But when I use SDRAM to read d...

FW: usage of CSL/PSL functions (fwd)

Thanks Tom for your most interesting comments on the CSL, I am forwarding your email to Regards, Andrew ---------- Forwarded message ---------- Date...

PCI data transfer

Hi, I have a system where the a PMC card with C6415 act as a daughter board. Currently, I'm using the method describe in the "C6000 Peripheral Guide" when i ...

FIFO and SDRAM on EMIFA on DSP C6415

In my system I have a FIFO of width 16 bit on EMIFA connected physically on bits D[15..0] . And on the same EMIFA I have an SDRAM width of 64 bit . I wont t...

Re: PCI data transfer   [2 Articles]

Can you tell me how to start the pci master read? my code like this: config.dspma = (Uns)req-> dstAddr; config.pcima = (Uns)req-> srcAddr; config.pcimc = (Uns)GET_BYTE_COUNT(re...

Re: DMA and CACHE MEM

Hi Adrien,   C64XX CPUs have a two-level Internal memory. Upto 256K of L2 can be configured as cache memory. You can have a look at SPRU610 (Two-Level Internal ...

Re: Boot problem

Hi, I'm not familiar with C6415, but I think this is similar for all C6000. After boot you have to start c_int00. There some basic initilisation is made, l...

Re: PCI data transfer (dm642 DSP)

Geckook- > Ok, I can read data from PC(host), and save to SDRAM, but I meet > another problem. > > I don't know how to control the communication between PC and DSP. > ...

RE: EDMA interrupt

Hi Albert, I'm not familiar at all with C6455, more with C6415. Anyway, these both DSP= s seem to include the same EDMA engine. Are you sure the transfer has completed ? Hav...

DSP_fft16x16t problem! and it is eating my input!   [2 Articles]

Hello everyone, I am struggling to get the DSP_fft16x16t function in dsplib for c64x working... I am using the C6415 device cycle accurate simulator to verify the code.. The pro...

Re: optimized function for IDWT   [2 Articles]

Hi Shehrzad, thanks for your replay. Unfortunately I can't use C55x DSP, I have strong restriction for IDWT implementation: - 9/7 IDWT !!! - 16 bit fixed point ...