memroy allocation

Are there any settings or commands needed before I can use calloc in a function? I am trying to allocate memory for 3 arrays using three separate pointers and calloc functions. I know the amount of memory...
memroy allocation

Are there any settings or commands needed before I can use calloc in a function? I am trying to allocate memory for 3 arrays using three separate pointers and calloc functions. I know the amount of memory...
fopen on sd card

I am working on MCB2300 (LPC 2378 processor). I am trying to do some read & write operation on files from SD card. I can do read operation but I am unable to write operation. I am unable to open a file...
fopen on sd card

I am working on MCB2300 (LPC 2378 processor). I am trying to do some read & write operation on files from SD card. I can do read operation but I am unable to write operation. I am unable to open a file...
fopen function cannot be run

Hello I am running a spi file I/O test. but I do not why I cannot process my fopen function. building target is good. please tell me if you hachar fileread(void) { FILE *fp;//file pointer char readsample;...