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HardFault_Handler headache

Question asked by ASSAAD on Jul 30, 2015
Latest reply on Jul 31, 2015 by Clive One
Hello all ;

I have an old working project that we use  the function :
arm_cfft_radix4_f32(&S, testInput);
where testInput is a float array in the RAM .

we need to add some function for the project we added more extra errays to the RAM ; where the RAM of this processor stm32f407 is up to 192k ; we only use 84k byte  but the software is start to stuck in the HardFault_Handler!
we increased the heap and the stack for 0x0000 fff8  but no way still stuck ;
when I delete the new defined arrays it work but I need to add this big array .
I have been debugging for 3 days we noticed the program get fault in the routine
arm_cfft_radix4_f32(&S, testInput);
could you suggest a solution for this problem ,
Thank you in advanced