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Code Issues Releases Activity

Debugging: Add PIOS_DEBUG_Panic() call wen an UAVObject handle is requested but object is uninitialized, make PiOS.posix bail in case of a Panic with an error message

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This commit is contained in:
Corvus Corax 2011-08-19 12:56:26 +02:00
parent 01a844e0da
commit 78e42470d4
2 changed files with 11 additions and 3 deletions
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11
flight/PiOS.posix/posix/pios_debug.c
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@ -79,8 +79,15 @@ void PIOS_DEBUG_Panic(const char *msg)
PIOS_COM_SendFormattedStringNonBlocking(PIOS_COM_DEBUG, "\r%s @0x%x\r", msg, lr); PIOS_COM_SendFormattedStringNonBlocking(PIOS_COM_DEBUG, "\r%s @0x%x\r", msg, lr);
#endif #endif
// Stay put // tell the user whats going on on commandline too
while (1) ; fprintf(stderr,"CRITICAL ERROR: %s\n",msg);
// this helps debugging: causing a div by zero allows a backtrace
// and/or ends execution
int b = 0;
int a = (2/b);
b=a;
} }
/** /**

3
flight/UAVObjects/uavobjecttemplate.c
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@ -40,7 +40,7 @@
#include "$(NAMELC).h" #include "$(NAMELC).h"
// Private variables // Private variables
static UAVObjHandle handle; static UAVObjHandle handle = NULL;
/** /**
* Initialize object. * Initialize object.
@ -103,6 +103,7 @@ $(INITFIELDS)
*/ */
UAVObjHandle $(NAME)Handle() UAVObjHandle $(NAME)Handle()
{ {
if (!handle) PIOS_DEBUG_Panic("$(NAME) used uninitialized");
return handle; return handle;
} }