jerpelea opened a new pull request, #17098:
URL: https://github.com/apache/nuttx/pull/17098
## Summary
boards/esp32[c3|c6|h2]: Fix GPIO function used by the button
Fixes the function to select the GPIO behavior for the pins
associated to the board's button.
Please note that for
[ESP32-C3](https://www.espressif.com/sites/default/files/documentation/esp32-c3_technical_reference_manual_en.pdf#section.5.12),
[ESP32-C6](https://www.espressif.com/sites/default/files/documentation/esp32-c6_technical_reference_manual_en.pdf#section.7.12)
and
[ESP32-H2](https://www.espressif.com/sites/default/files/documentation/esp32-h2_technical_reference_manual_en.pdf#section.6.13),
the pin Function 1 corresponds to the GPIO mapping for all pins. That function
should be used when selecting the pin function. Please note that the pin
function on TRM starts from 0. On NuttX, on the other hand, it starts from 1,
and the corresponding pin function should be INPUT_FUNCTION_2 to select
Function 1.
Documentation: Add entry for ESP32-[C3|C6|H2]'s buttons defconfig
Adds an entry on Documentation regarding ESP32-C3, ESP32-C6 and
ESP32-H2 boards that implement the buttons defconfig
## Impact
Impact on user: Yes. Avoid unintended behavior regarding the on-board button.
Impact on build: No.
Impact on hardware: Yes. Impacts ESP32-C3, ESP32-C6 and ESP32-H2 boards.
Impact on documentation: No. But this PR also provides an entry for the
buttons defconfig in the respective board.
Impact on security: No.
Impact on compatibility: No.
## Testing
Build the corresponding buttons defconfig for the devices and press the BOOT
button in the board.
Building
ESP32-C3
make -j distclean && ./tools/configure.sh esp32c3-generic:buttons && make
flash ESPTOOL_PORT=/dev/ttyUSB0 && picocom -b 115200 /dev/ttyUSB0
ESP32-C6
make -j distclean && ./tools/configure.sh esp32c6-devkitc:buttons && make
flash ESPTOOL_PORT=/dev/ttyUSB0 && picocom -b 115200 /dev/ttyUSB0
ESP32-H2
make -j distclean && ./tools/configure.sh esp32h2-devkit:buttons && make
flash ESPTOOL_PORT=/dev/ttyUSB0 && picocom -b 115200 /dev/ttyUSB0
Running
Run the buttons application on NSH and press the BOOT button.
Results
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> Sample = 1
Sample = 0
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