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hi everybody, Can any one tell what are the steps i have to take to run my application on my own DSP module(with DSP56F807) instead of DSP65F807EVM board. When i tried to run it,it is stoppig at the line jsr archStart; in hardwareAndWatchdogResetVector(void) function of vectorreset.c . Is there any specific documentation regarding this while targeting our own DSP module?? I appreciate any help regarding this. Thanking you in advance. Swaroop |
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Regarding DSP56F807
Started by ●December 6, 2002
Reply by ●December 6, 20022002-12-06
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Without knowing a lot more about your system configuration, I cannot say
for sure, but I think this is normal behavior. We are using CodeWarrior version 5.0.2 with the Motorola SDK version 2.5. All of the following paragraphs assume that you are using the same set of software products. There are settings that determine program startup behavior in the following place: Edit {Target} Settings Target Settings Panels Debugger Debugger Settings Where {Target} is the build target you are using, for example "Flash". In this settings panel, we choose the following settings for our debugging sessions: - Stop on application launch - User specified - FarchStart What this does, is that after resetting the system and downloading the program, it will stop at the specified program memory location and wait for you to click on the green "Run" arrow to start the program. As I said before, this is entirely normal behavior. The only other thing I have seen that could be causing your problem, is a severe program crash. This might be caused by things like stack overflows, uninitialized or "wild" pointers, etc. One thing we have found that is important to know, is that any "printf-like" function call requires a very large stack frame size, as described below (this is taken from a message I sent to Greg Coonley at DSPOS, which is the RTOS we use in all of our products): "I also found out the cause of the crashes from calling the "vsnprintf()" function. It turns out that all of the printf() variants call the static function "__pformatter()", which is in the "...\Libraries\MSLlib\MSL_Common\Src\printf.c" file in our directory tree. This function has a local array "char buff[conversion_buff_size]", where "conversion_buff_size" is 512! This local array is, of course, allocated off whichever task stack is currently being used. In a "real" system that uses only internal X RAM, this could cause the Stack Pointer to point beyond the end of the task stack, and possibly beyond the end of X RAM and into the on-chip Peripheral Registers area. This is obviously the reason for the program crashes, and it also explains why there's no problem when running the "same" program on an EVM module using External RAM memory." The above is ***NOT*** a bug in the MSL Library, it is in my (not-so-humble) opinion a quite reasonable compromise on the size of the largest string that a user might try to create. It does, however, create a situation where a program that runs "perfectly" in an EVM module using External RAM memory, can crash very badly when it is run on your own target hardware. This one took me a _lot_ of time to find the first time, so beware! I hope this information helps to solve your problem, but if it doesn't, please provide some more detailed information. Regards, Art Johnson Senior Systems Analyst PMC Prime Mover Controls Inc. 3600 Gilmore Way Burnaby, B.C., Canada V5G 4R8 Phone: 604 433-4644 FAX: 604 433-5570 Email: http://www.pmc-controls.com -----Original Message----- From: swaroop [mailto:] Sent: Friday, December 06, 2002 3:20 AM To: Subject: [motoroladsp] Regarding DSP56F807 hi everybody, Can any one tell what are the steps i have to take to run my application on my own DSP module(with DSP56F807) instead of DSP65F807EVM board. When i tried to run it,it is stoppig at the line jsr archStart; in hardwareAndWatchdogResetVector(void) function of vectorreset.c . Is there any specific documentation regarding this while targeting our own DSP module?? I appreciate any help regarding this. Thanking you in advance. Swaroop _____________________________________ Note: If you do a simple "reply" with your email client, only the author of this message will receive your answer. You need to do a "reply all" if you want your answer to be distributed to the entire group. _____________________________________ About this discussion group: To Join: To Post: To Leave: Archives: http://www.yahoogroups.com/group/motoroladsp More Groups: http://www.dsprelated.com/groups.php3 ">http://docs.yahoo.com/info/terms/ |
Reply by ●December 9, 20022002-12-09
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hi to all.... Can one help me with the following things... 1) How to manipulate OMR(operating mode register) ??? 2) Iam having internalFlash, internal RAM and external RAM, then how can I use external RAM while running on the internal flash(as taget) in Mode 0B??? 3) while running a simple application with flash as target ,why Iam getting strucked in a do loop in archInitializeRAM function(while initializing initialized P: data section using memCopyPtoP (..,..,..))??? Thanks in advance, Swaroop |
