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Discussion Groups | TMS320C55x | DMA ISR Debug Problem! ( C5510 XDS510pp, CCS2.2 )
Technical discussions about the TI C55x DSPs (including the c5501, c5502, c5503, c5507, c5509, c5510 and OMAP5910).
DMA ISR Debug Problem! ( C5510 XDS510pp, CCS2.2 ) - squarec - Nov 19 12:27:00 2003
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Hello !! We've encountered some problem while debugging DMA ISR. (TI TMS320VC5510, Spectrum XDS510pp Emulator, CCS 2.2 ) /*main.c*/ .................... 1 interrupt DMAISR() 2 { 3 k++; 4 expression 1; 5 expression 2; 6 ........... 7 } 8 Timer_Function 9 { 10 DMA_memory_copy_rountine();/* So DMAISR() will execute periodly */ 11 } ..................... ..................... */ When we SET breakpoint at line 4 and run the program, DSP will halt at the breakpoint(line 4) and k will be added by 1 as expect. Our problem is: Each time we START running program without setting any breakpoints, halt DSP, then, k still be added by 1. No matter how many time pass!! If we want set breakpoint at line 4 after program running, DSP will NOT enter the breakpoint anymore. In other words, k won't countinue increasing unless we pause it, run, pause it, run........ Did We missed something? Best Regard, James |
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