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"I see that start project is connected somehow with a files in folder GenOSSrc. These files are not included in Start_STR912 IAR Workspace and in the configuration window of this project also and I see no connection with the folder. How are they included in the project ?" Where do you see a connection to a folder GenOSSrc? Could you please explain this in more detail? GenOSSrc sounds like this is the folder where the generic embOS stuff is in, but I guess you have embOS librarys, so you can say …

Hello George, "a call to OS_Event_Set which is supposed to be allowable" Did you use OS_EnterInterrupt() and OS_Leaveinterrupt()? I guess a lot of people forget this in their embOS interrupt routine. You should also send an email to support@segger.com, if you are still in support, but I am sure they will also ask you for a complete project, with which they can reproduce your issue. Perhaps you could post parts of your code here, e.g. your own interrupt routine? Until now I can think of two aspec…

Ok, now I understand what you like to do. You want to switch to FIQ mode to have access to the to FIQ registers. I guess in general you are not allowed to switch to any other cpu mode while embOS is running, but if you really know what you do, this could work. You should ensure to get no interrupts, so FIQ interrupts should be disabled. Is it necessary for you to have IRQ interrupts enabled? I could imagine that FIQ interrupt has priority, so when you are in FIQ mode you will get no IRQ interrup…

Hey Berg, Why do you want do to that?? I think it is no problem to use FIQ interrupts with embOS, I found something in the embOS manual: "FIQ interrupt can not be used with embOS functions, it is reserved for high speed user functions. FIQ is never disabled by embOS. Never call any embOS function from an FIQ handler. Do not assign any embOS interrupt handler to FIQ. When you decide to use FIQ, please ensure that FIQ stack is initialized duringstartup and an interrupt vector for FIQ handling is i…

Hey gpontis, could you please make a screen shot and post it here? And/or could you post your application here? I guess your application file should be not to big, so I would like to test it myself, because until now I had no problems with embOSView and LPCxxxx CPU.

Hi fffromeo, I guess the problem could be that you cannot mask the NMI interrupt,so you cannot be sure when the interrupt occurs. Your C_Uart::GetReceivedCharU4() Method returns the bits you received with the NMI interrupt routine? Are you sure that your rcBitArray is big enough to store the data that you collected in the NMI interrupt routine? Which CPU do you use?