NXP LPC2138 interrupts: basic code

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Bruce Varley

• March 08, 2022 06:20

Can anyone post code (main.c + any patches required for startup.s, etc) for a simple LED flasher or similar using interrupts. I'm having great difficulty getting anything using interrupts to work on an NXP LPC2138 (ARM-7).

That or a link to your samples, I can't find anything applicable.

Thanks in advance

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  Jon Elliott

  • March 08, 2022 10:14

  Most board support package contain examples using interrupts.

  For example, the Keil MCB2130 board support package contains an interrupt and timer_interrupt example project that runs on an NXP LPC2138. To open the solution containing these examples, install the Keil MCB2130 board support package, click Tools > Show Installed Packages, click the Keil MCB2130 Board Support Package link and then click the MCB2130 Samples Solution link.

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  Bruce Varley

  • March 10, 2022 12:38

  Thanks Jon, I should be able to use that. One followup question, where is the documentation for the ctl_* functions? I can't find it in the help contents, and searching on ctl_ or anything similar returns nothing.

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