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I'm trying to compile a C C51 based program using Keil compiler, v 7.04. sscanf works properly using the emulator, but hangs when running the application on the C51 based processor. Is there any known bug there ? Thanks in advance, Ignasi Villagrasa.
Can you give us more details of your problem? Which emulator (or is it simulator) and which CPU, target settings etc. regards Dejan
"sscanf works properly using the emulator, but hangs when running the application on the C51 based processor." Do you really mean "emulator" here; ie, a hardware unit that plugs into your board in place of the 8051-based processor? If so, see here for some things that might cause it to run on an emulator, but not the real processor: http://www.keil.com/forum/docs/thread4114.asp Or are you talking about a software Simulator; ie, running your code purely on a PC without any need for target hardware at all? One of the key differences when running on a Simulator is that memory is cleared at the start of the program - which will very often mask problems due to uninitialised variables. If your code runs in the Simulator but not your target, this could indicate a hardware fault (either a design fault or something broken). Or it could be that the hardware is working correctly, but your understanding of it is flawed - so you are doing something invalid, or repying upon a false assumption. You will need to supply more details for us to be able to help you. eg, how do you know that it's sscanf that's hanging?