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Discussion Groups | TMS320C54x | (No Subject)
Technical discussions about the TI C54x DSPs (including the c5401, c5402, c5402a, c5404, c5407, c5409, c5409a, c5410, c5410a, c5416, c5420, c5421, c5441, c549, c5470 and c5471).
(No Subject) - nikhil parvatikar - Oct 30 14:25:00 2000
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Dear Sir, I am working on a MP3 project using TMS320C5409 chip. I am working on the TI code composer studio.We are working on the evaluation module.I would like to clarify some doubts regarding the project. the doubt is as follows : We are able to load all the 3 .img files ( Load09.img, mcusnrac.img, & the mp3snrac.img ) into the Linear Flash. While debugging the program , we have to load the MCU code and execute it. This program takes care of all the interrupts and handles them like the Key board and others. Now our problem is that we are not able to debug this portion of the code.Kindly help. Nikhil _________________________________________________________________________ Get Your Private, Free E-mail from MSN Hotmail at http://www.hotmail.com. Share information about yourself, create your own public profile at http://profiles.msn.com. |
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(No Subject) - happyboy - Dec 8 2:00:00 2000
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hello,everyone! I have a program about the serial port,but I can't watch the wave from the clkx and dx in the osclloscope.I can see the spcr2 changing in the mcbsp watch, ( the first,xrdy is 0;the second ,xrdy is 1 and /xempty is 1;the third ,xrdy is 1 and /xempty is 0;repeat it until halt), but why can not see the output from the clkx and the dx ? please help me check the program . thanks a lot!! ******************************************** .mmregs .def start .text DATA0 .set 0039h SPSA0 .set 0038h ;Mcbsp0 sub address register SPCR10 .set 00h SPCR20 .set 01h RCR10 .set 02h RCR20 .set 03h XCR10 .set 04h XCR20 .set 05h SRGR10 .set 0x0006 SRGR20 .set 0x0007 PCR0 .set 0Eh DRR10 .set 0021h DXR10 .set 0023h *swwsr, xswwr XSWSR .set 0x002b start: NOP STM #1e01h,ST0 NOP NOP NOP STM #2900h,ST1 NOP NOP NOP STM #1020h,PMST NOP NOP NOP *wait cycle 14 STM #7E00h,SWWSR ;STM #0001h,XSWSR ******SET MCBSP0 STM SPCR10,SPSA0 ; STM #1880h,DATA0 ;SPCR1 ;spcr10: serial port control register 1 ;config to reset the receiver NOP NOP STM SPCR20,SPSA0 STM #0000h,DATA0 ;SPCR2 ;spcr2 : serial port control register 2 ;config to reset the transmitter ;config to reset the sample-rate generator NOP NOP STM XCR10,SPSA0 ;spsa is the mcbsp0 sub-address register ;xcr1: transmit control register 1 STM #000h,DATA0 ;XCR1 ;config xcr10: transmit word length: 16bit/word NOP NOP NOP STM XCR20,SPSA0 ;xcr2: transmit control register 2 STM #0004h,DATA0 ;XCR20 ;congig xcr2: transmit data delay: 0bit data delay ;the first frame-synchronization pulse is ignored NOP NOP ;rcr1: receive control register STM RCR10,SPSA0 ;RCR1 ;config rcr1: receive word length: 16bit/word ;config rcr1: receive frame length: 1word/frame STM #0040H,DATA0 NOP NOP ;rcr2: receive control register 2 STM RCR20,SPSA0 STM #0004H,DATA0 ;RCR2 ;config rcr2: single phase frame ;config rcr2: receive frame-syn ignored ;config rcr2: receive data delay : 0bit data delay NOP NOP ;srgr1: sample rate generator registor 1 STM SRGR10,SPSA0 ; STM #0000h,DATA0 ;SRGR1 ;config srgr1: sample rate generator clocks divider: 256 NOP NOP ;srgr2: sample rate generator registor 2 STM SRGR20,SPSA0 STM #2000H,DATA0 ;SRGR2 ;config srgr2: tranmit-frame-sync signal due to dxr to xsr copy ;config srgr2: sample rate generator clock derived from cpu clock NOP NOP ;pcr: pin control register STM PCR0,SPSA0 STM #0A08h,DATA0 ;PCR ;config pcr: frame-sync is determined by the sample rate generator ;config pcr: mcbsp is a master and generator the clock to drive the clkr NOP NOP NOP STM SPCR20,SPSA0 ;SET GRST STM #0040,DATA0 NOP NOP NOP NOP STM SPCR10,SPSA0 STM #1881H,DATA0 ;SET SPCR1 NOP NOP NOP STM SPCR20,SPSA0 STM #0041H,DATA0 ;SET SPCR2 /XRST BEGIN: nop STM #0AAH,DXR10 NOP NOP NOP NOP NOP LOOP:NOP NOP STM SPCR20,SPSA0 LDM DATA0,A AND #2H,A SUB #2H,A BC LOOP,ANEQ NOP NOP B BEGIN NOP NOP .end ******************************************* happyboy |
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(No Subject) - Julien Boudias - Jan 31 8:28:00 2001
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Hi all,
how can I set all Memory mapped Registers to
its Reset value in debug mode?
I am using CCS 1.2 and a 5402 dsp.
Thanks and regard.
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(No Subject) - Julien Boudias - Mar 14 13:08:00 2001
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Hi all,
I have 2 SECTIONS in the program space :
.fast_text et .text
;
.fast_text -> IPROG
.text
-> EPROG
What can I do to put some fast C functions into
.fast_text and the other into .text
Regards,
Julien Boudias.
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(No Subject) - Wei Chen - Nov 11 17:24:00 2001
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Hi, group, is there any side effect of DST in Branch delay line? for an example BD $1 XOR *AR2,A DST A,*AR3 thanks |
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RE: (unknown) - Dave Helsley - Nov 13 16:59:00 2001
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I remember hearing in the TI training that the number of cycles in the
delay slots doesn't matter, as long as it's only 2 words of codespace. If it takes 2 cycles to do the DST, the processor will automatically insert the extra cycle into the pipeline. Rgds, Dave -----Original Message----- From: Wei Chen [mailto:] Sent: Sunday, November 11, 2001 9:25 AM To: Subject: [c54x] (unknown) Hi, group, is there any side effect of DST in Branch delay line? for an example BD $1 XOR *AR2,A DST A,*AR3 thanks _____________________________________ |
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(No Subject) - Krasimir Tonchev - Feb 26 20:41:00 2004
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Hello! I have TMS320VC5416 DSP and I want to use McBSP0 as GPIO. do everthing that is sayed in spru302.pdf. I wanat to use BFSR0 pin as bi directional GPIO. when I use it as ouput every thing is ok .But when I decide to use it like input there is problem. The value on the pin is "1" but I read "0" from FSXP bit on PCR register.. What shoud I do ? Here is the funcion i C which is reading BFSR0 pin unsigned short ReadBFSR0() { unsigned short val; val=0; McBSP0_SPSA = PCR; // select PCR register McBSP0_SPSD=RIOEN | FSRM(0) ; // make BFSR0 pin input and enable RIO asm(" nop "); asm(" nop "); McBSP0_SPSA = PCR; // select PCR register val = McBSP0_SPSD; // read PCR register to val val &= FSRP(1); // mask FSRP value asm(" nop "); asm(" nop "); return val; // return the value } -------------------------------------- Òîâà ïèñìî å èçïðàòåíî îò www.mail.bg Áåçïëàòíèÿò àäðåñ â mail.bg ïðåäëàãà: - Ñèëíà ÀíòèÑÏÀÌ çàùèòà - 12MB ìÿñòî çà ïîùà - SMS çà íîâî ïèñìî (âñè÷êè îïåðàòîðè) - WAP äîñòúï îò GSM è áåç êîìïþòúð - Áåçïëàòåí POP3 äîñòúï - Áåçïëàòíà ïîääðúæêà ïî òåëåôîíà ______________________________________ ÁÅÇ ÈÇËÈØÍÈ ÂÚÏÐÎÑÈ ÐÅÃÈÑÒÐÈÐÀÉÒÅ ÑÂÎÉ ÁÅÇÏËÀÒÅÍ ÀÄÐÅÑ ÍÀ http://www.mail.bg |
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