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Discussion Groups

Discussion Groups | TMS320C6x | c6211 problems

Technical discussions about the TI C6000 DSPs (including the c62x, c64x and c67x DSPs).

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c6211 problems - ascetik - Nov 17 23:58:00 2003

Hi i just purchased a c6211 dsk that came with ccs 1.5. I am currently only familiar with the c6711 dsk's and ccs 2.1. instead of using the software that came with the c6211 i decied to use the newer version i already use. would there be any reason why the newer version of ccs would compile or load improporly to the c6211 dsk. my problem is that i can not run a simple "hello world" program unless i assign all memory sections to SDRAM in the *.cmd file. when i try to use IRAM the program gets stuck in some kind of loop. Does the c6211 not have enough IRAM? please help josh summitt

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Re: c6211 problems - Mike Dunn - Nov 19 3:56:00 2003

Hello Josh,

The 6711 and 6211 each have 64KB of internal memory. I believe that your CCS version is 1.05 [CCS 1.00 with some DSK patches]. I seem to remember a hardware related issue - I am not sure if it was board or chip related. If you have that same problem, you can print "hello world" by using a 'puts' instead of the traditional 'printf'. Some things that I vaguely remember...

check the voltage being output by the external +5v supply - some of the original DSKs were putting out >5.25v [not good]

check your internal memory - locate the 'cnfdsp_nohost' project;get rid of all stdio, use the LEDs for visual pass fail;get rid of all tests except for internal memory test [it could use some more creative patterns]; divide IRAM in you *.cmd file into high and low halves; build the test to load into the low half and test the high half; then reverse

Let us know what happens...

mikedunn

ascetik <a...@yahoo.com> wrote:

Hi i just purchased a c6211 dsk that came with ccs 1.5. I am
currently only familiar with the c6711 dsk's and ccs 2.1. instead of
using the software that came with the c6211 i decied to use the newer
version i already use. would there be any reason why the newer
version of ccs would compile or load improporly to the c6211 dsk.

my problem is that i can not run a simple "hello world" program
unless i assign all memory sections to SDRAM in the *.cmd file. when
i try to use IRAM the program gets stuck in some kind of loop.
Does the c6211 not have enough IRAM?

please help
josh summitt
_____________________________________

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