• Pointer interpreted as a NULL pointer. Bug?
    I have a struture which is correctly allocated at address 0x4000 (read from the M66 file). The DPP0 is used by Keil to point to the NDATA memory chunk: DPP0 = 1 so the pointer to my struture, when...
  • C51: Null function pointer
    I am trying to convert an unmaintainable user interface driver over to something that uses data structures to define the menu organization (This example is stripped down to the bare minimum from my...
  • Pointer to NULL structure
    I have a structure defined as typedef struct example{ int a; char b; example c; }STRUCT_EG; and I declare a pointer to this structure as STRUCT_EG *Struct_ptr To check whether the pointer...
  • NULL peculiarities
    I have a question about the behavior of some code I have written: Packet Packet_str; when I declare this structure in my main program and then check its memory location via a printf statement and...
  • Malloc returns NULL
    Setup Keil: uVision 5.17.0.0 ARM: LPC1768 A standard project with some UARTS and I2C "Use memory Layout form target" is checked (using the standard scatter file) "Use MicroLIB" is not checked...