Lpc2000

Upgrading the bootloader is a good idea.  Also, make sure you disable interrupts before the call to IAP and restore them afterwards.

--- In lpc2000@yahoogroups.com, "burner_itfi" <burner_itfi@h...> wrote:
> 
> --- In lpc2000@yahoogroups.com, "albin_martinsson" <fredrik_m@t...> wrote:
> > 
> > Hi
> > 
> > I really need some IAP help for the LPC2129.
> > 
> > I need to reprogramm the code area in my application and this is 
> > done in my own bootloader. 
> > 
> > My routines follows the IAP commands that philips has in theire 
> > applicatione notes. 
> > 
> > like this...
> > 
> > #define IAP_LOCATION 0x7FFFFFF1;
> > 
> > typdef void (*IAP)(unsigned int[], unsigned int[]);
> > 
> > unsigned int command[5];
> > unsigned int result[2];
> > IAP iap_entry;
> > 
> > 
> > .... in a test function i do like this to read the part ID
> > iap_entry = (IAP)IAP_LOCATION;
> > command[0] = 54;
> > result[0] = 0;
> > 
> > iap_entry(command,result);
> > print_hex(result[0]);
> > 
> > The problem is that my code will hang when iap_entry is called...
> > Why does it do this???
> > 
> > Im using GCC.
> > 
> > Anyone now about this problem and how to solve it?
> > 
> > Thanks....   /Albin Martinsson
> 
> hello
> 
> i have had the same problem. When i want to call the iap_entry
> function the processor hang up. 
> 
> I have said the gcc that it is thumb code but it still don't work.
> 
> The solution was that i update the onchip philips bootloader to the
> actual version 1.63. And now it still works perfect.
> 
> i hope i can help you with this solution.
> 
> best regards Tobi