jlaitine opened a new pull request, #20393:
URL: https://github.com/apache/nuttx/pull/20393
## Summary
This fixes some issues found in IMXRT1180 RGPIO handling, specifically GPIO
interrupts. The commits in this PR include:
- One cleanup causing C++ linkage errors, not visible on this plain NuttX
configuration
- Fix some pin configuration macros; some were erroneously copied from IMX9
RGPIO / IOMUX and some did pack GPIO interrupt bits wrong in the pinset.
- Add buttons lower half driver and buttons example application, with
interrupts, for simple testing of GPIO input and interrupts.
## Impact
Affects only imxrt1180, mainly fixes issues with GPIO interrupts.
## Testing
Tested on imxrt1180-evk:bl + imxrt1180-evk:nsh . Built and flashed both
images, checked that it boots, and used buttons test application to test GPIO
interrupts by pushing SW8 on the EVK board:
```
BB
NuttShell (NSH) NuttX-13.1.0-RC0
nsh> help
help usage: help [-v] [<cmd>]
. cp expr mkrd set truncate
[ cmp false mount kill uname
? dirname fdinfo mv pkill umount
alias df free pidof sleep unset
unalias dmesg help printf usleep uptime
basename echo hexdump ps source watch
break env ls pwd test xd
cat exec du rm time wait
cd exit mkdir rmdir true
Builtin Apps:
buttons dd nsh ostest sercon serdis sh
nsh> buttons
buttons_main: Starting the button_daemon
buttons_main: button_daemon started
button_daemon: Running
button_daemon: Opening /dev/buttons
button_daemon: Supported BUTTONs 0x01
nsh> SW8 was pressed
SW8 was released
SW8 was pressed
SW8 was released
SW8 was pressed
SW8 was released
```
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