run placement fails for object "ECanaMboxes"

Vennela Yadhati said:

Hi,

Apart from defining the bits, I wanted to define another struct variable in MDL and MDH regs. Here's what I need:

struct CANMDH_Variable {  //bits description

 

Uint16 A:8;                                       //32:39

Uint16    B:16;                                   //55:40

Uint16    C:8;                                    //63:56

};

 

union CANMDH_REG {

   Uint32                  all;

   struct CANMDH_WORDS     word;

   struct CANMDH_BYTES     byte;

   struct CANMDH_BITS   bit;

   struct CANMDH_Variable    variable;

};

 

This is strange, it should work but it is looking like the code is thinking variable is greater than 32-bits wide.  This means it is attempting to assign a larger set of registers to a fixed memory range and hence the error.  Doing some experimenting, lead me to a possible cause: the line: Uint16 B:16;

The fix:

struct CANMDH_Variable {  //bits description

Uint32 A:8;                                       //32:39
Uint32   B:16;                                   //55:40
Uint32    C:8;                                    //63:56

};

Changing to Uint32 made it compile for me.  Hopefully it does for you.

Tim