this has nothing to do with tinyOS or nesC. Something going on with the toolchain.
Which you don't specify. What cpu are you compiling for, what toolchain, and what version? On Thu, Jul 4, 2013 at 5:42 AM, [email protected] < [email protected]> wrote: > Hi all, > > I am experiencing some strange memory bugs regarding arrays in my TinyOS > application. Here is an example: > > uint32_t arr[6][3]; //global var > > void setter() > { > arr[1][2] = 34; > } > > uint32_t getterA() > { > return arr[1][2];//34 > } > uint32_t getterB() > { uint8_t a = 1; uint8_t b = 2; > return arr[a][b];//0 > } > uint32_t getterC() > { uint8_t a = 1; uint8_t b = 2; uint32_t *temp; > temp = &(arr[a][b]); > return *temp;//34 > } > bool adrEqual() > { uint8_t a = 1; uint8_t b = 2; > return &(arr[1][2]) == &(arr[a][b]);//true > } > > So when I call setter() and then one of the getters, I get the given > values. The problem is of course getterB. I currently fixed this by using > the workaround of getterC, but I would prefer fixing the problem and not > just the symptoms. So if anyone has an idea what may cause this strange > behavior I would be very thankful if he would share this with me. > > Best regards > > _______________________________________________ > Tinyos-help mailing list > [email protected] > https://www.millennium.berkeley.edu/cgi-bin/mailman/listinfo/tinyos-help > -- Eric B. Decker Senior (over 50 :-) Researcher
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