Created
August 12, 2025 15:29
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zephyr button example for xiao_ble (seeed xiao nrf52840)
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| // zephyr/samples/basic/button/boards/xiao_ble.overlay | |
| // | |
| // adopt from zephyr/boards/nordic/nrf52dk/nrf52dk_nrf52810.dts | |
| /{ | |
| buttons { | |
| compatible = "gpio-keys"; | |
| button0: button_0 { | |
| label = "Push button switch 0"; | |
| gpios = <&gpio0 4 (GPIO_PULL_UP | GPIO_ACTIVE_LOW)>; | |
| zephyr,code = <INPUT_KEY_0>; | |
| }; | |
| }; | |
| aliases { | |
| sw0 = &button0; | |
| }; | |
| }; |
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❯❯ cd zephyr/samples/basic/button
❯❯ west build -p -b xiao_ble . && cp build/zephyr/zephyr.uf2 /media/XIAO-SENSE/CURRENT.UF2
❯❯ tio /dev/ttyACM0
[13:41:28.649] tio c43d2f6
[13:41:28.649] Press ctrl-t q to quit
[13:41:28.649] Connected to /dev/ttyACM0
*** Booting Zephyr OS build v4.2.0-1441-gbfd2ac78ad50 ***
Set up button at gpio@50000000 pin 4
Set up LED at gpio@50000000 pin 26
Press the button
Button pressed at 11458552
Button pressed at 11463122
Button pressed at 11463128
Button pressed at 11486589
Button pressed at 11501835