Embedded LPC3250 Manuel télécharger pdf (Page 20)

Flash Programming

16 © PHYTEC America LLC 2009 L-718e_2

15. Locate the interrupt controller configuration code for GPI_3 beginning on line 282:

16. Change GPI_03 to GPI_04 on line 282-286.

17. Start the debugger and download the code by selecting the Download and Debug button from

the IDE toolbar

18. Execute the code by selecting the Go button from the debug toolbar

19. Again locate the Gpi03_handler function. The breakpoint set in step 11 should still be in place:

20. Press the BTN1 button on the phyCORE



Carrier Board and notice the Gpi03_handler does not

execute and the blinking speed does not change.

Because BTN1 is physically connected to GPI_3, the interrupt controller will not respond to BTN1 if

the interrupt controller is configured improperly to GPI_4.

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Embedded LPC3250 Manuel Page 20