Lpc2000

Hi!
 
>>#define  IAP_LOCATION            0x7ffffff1
                                            ^
>>          disableIRQ(); iap_entry(command_iap,result_iap); enableIRQ();
> That only works if the compiler uses a bx to call iap_entry.  Not all do
> and there is AFAIK nothing that would require a compiler to (keep) doing so.

 Addres of function force compiler to call THUMB mode function.

 Alex