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I create a new project from Keil C51 IDE and then add my source code into it. When invoked linker links my project, the error occurs as follows: *****FTAA ERROR L210:I/O ERROR ON INPUT FILE EXCEPTION 0021H: PATH OR FILE NOT FOUND FILE CCAPI.OBJ I searched my folder for the file ccapi.obj and really did not found it. I know the file ccapi.obj can not be generated by compiler. But I do pnot set the directive SRC in my code or project setting. Any one can give me a hand ? What does caused the result? Thanks any help in advance!
"I know the file ccapi.obj can not be generated by compiler." How do you know that? If you know that it cannot be generated by the compiler, then how do you expect it to be provided?
Hi, Andrew, Thanks for your help! "I know the file ccapi.obj can not be generated by compiler." How do you know that? Because I had searched for the file "ccapi.obj" in my computer, I can't found it anywhere. But the compiler can compile my project without any error message. I guessed that maybe compiler can't generate the obj I followed the normal setting for my compiler in IDE again. The same result reoccured. I expect that I can find the OBJ file in my folder. what should I do?
You're talking in riddles. You really will have be more specific about what you did, and how, exactly, the results did fail to meet your expectations. The fact that you don't find that file ccapi.obj does not by itself mean that it can not be generated --- only what is was not generated. From what you wrote, it's not clear that the compiler ever got instructed to try to generate that file. So: is there a file called ccapi.c in your project? Or maybe a ccapi.asm? Do you see a line in the build window saying it's compiling any such file? If so: are there any suspicious messages following that line?
Security Key ( Dongle ) on Printer Communication ( LPT1 ) !!!!!!
"Security Key ( Dongle ) on Printer Communication ( LPT1 ) !!!!!!" As Hans-Bernhard said, this would be indicated by a message in the output window. We're still awaiting answers to the rest of Hans-Bernhard's questions.