i would like to step by step Andrea's Code code under eclipse using ocd as described in "Using Open Source Tools for AT91SAM7S Cross Development" document. I follow the document and enter the following lines in "Run command" for the debug configuration. I choosed the Ram debug because it seems that Andrea's MP3 player is loaded in RAM. "monitor soft_reset_halt monitor armv4_5 core_state arm monitor mww 0xffffff60 0x00320100 monitor mww 0xfffffd44 0xa0008000 monitor mww 0xfffffc20 0xa0000601 monitor wait 100 monitor mww 0xfffffc2c 0x00480a0e monitor wait 200 monitor mww 0xfffffc30 0x7 monitor wait 100 monitor mww 0xfffffd08 0xa5000401 set remote memory-write-packet-size 1024 set remote memory-write-packet-size fixed set remote memory-read-packet-size 1024 set remote memory-read-packet-size fixed monitor mww 0xfffffd00 0xa5000004 monitor mww 0xffffff00 0x01 monitor reg pc 0x00000000 monitor arm7_9 sw_bkpts enable load continue" However when starting the debug, it stops at 20% loading. My debug configuration seems to have a problem ... Does anybody has a working debug configuration ? (When using basic example such as blinking led, I can debug well) Thanks , David
Hi David. Just how big is this MP3 application? I would imagine that it's huge and exceeds the RAM space by quite a bit. You can inspect the map file and see just how big the compiled ap is in regard to the available RAM. Cheers, Jim Lynch
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