About the XIAO nrf52840 PLUS documentation has incorrect pinouts!
No response from Seeed, so I tested the all additional pinout introduced in the Plus by running Blink on my XIAO nRF52840 Plus.
There are two errors. Please refer to the correction proposal diagram below.
| ; disable_esc_gpg.ahk | |
| ; | |
| ; Disable following overlay from Google Play Games App for Windows | |
| ; "shift+tabキーを押すと、ゲームを終了する、コントロールを開くなどの操作が行えます。" | |
| #Requires AutoHotkey v2.0 | |
| #HotIf WinActive("ahk_exe crosvm.exe") | |
| Esc::Send "^{b}" | |
| ^H::return ; ignore C-h to avoid accidentally quitting game app |
| // gccでは...で表した可変長引数を__VA_ARGS__で指定できる | |
| // 可変長引数を全て__VA_ARGS__とマップする | |
| #define DEBUG_PRINT(...) printf(__VA_ARGS__); fflush(stdout) | |
| // fmt以降の可変長引数を__VA_ARGS__とマップする | |
| #define DEBUG_PRINT2(fmt, ...) printf(fmt, __VA_ARGS__); fflush(stdout) | |
| // _1,_2,_3,の部分・・・引数の個数だけ用意する | |
| // NAME・・・この部分に、目的の引数個数用の関数名が入る | |
| #define GET_MACRO(_1,_2,_3,NAME,...) NAME |
| # SPDX-License-Identifier: Apache-2.0 | |
| cmake_minimum_required(VERSION 3.20.0) | |
| find_package(Zephyr REQUIRED HINTS $ENV{ZEPHYR_BASE}) | |
| project(button) | |
| target_sources(app PRIVATE src/main.c src/remap.c) |
| #include <stdint.h> | |
| #include <stdio.h> | |
| // zephyr-latest/zephyr-proj/zephyr/include/zephyr/sys/util_macro.h | |
| /** @brief Extract the Least Significant Bit from @p value. */ | |
| #define LSB_GET(value) ((value) & -(value)) | |
| /** | |
| * @brief Extract a bitfield element from @p value corresponding to |
| # zephyr/samples/basic/button/boards/custom.conf | |
| # | |
| # "static" pinctrl to use external-uart breakout (AE-FT2232 / FTDI FT2232D) as /dev/ttyUSB0 | |
| # this file is to switch USB-CDC-ACM (/dev/ttyACM0) --> external uart (/dev/ttyUSB0) | |
| # disable USB CDC ACM | |
| CONFIG_USB_DEVICE_STACK=n | |
| CONFIG_USB_DEVICE_STACK_NEXT=n | |
| CONFIG_BOARD_SERIAL_BACKEND_CDC_ACM=n |
| // 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"; |
| /* | |
| * Copyright (c) 2020 The ZMK Contributors | |
| * | |
| * SPDX-License-Identifier: MIT | |
| */ | |
| #include <zephyr/kernel.h> | |
| #include <zephyr/device.h> | |
| #include <zephyr/devicetree.h> | |
| #include <zephyr/settings/settings.h> |
| #include <stdio.h> | |
| int fun(int x) { return x * 10; } | |
| // inline int fun_inline(int x) { return x * 100; } // --> causes undefined reference | |
| extern inline int fun_inline(int x) { return x * 100; } // ok | |
| // static inline int fun_inline(int x) { return x * 1000; } // ok, but this .c file local | |
| int main(void) { | |
| printf("%d, %d\n", fun(2), fun_inline(2)); |
| #include <stdio.h> | |
| int fun0(void) { return 5; } | |
| int fun1(int x) { return x * 10; } | |
| // inline int fun1_inline(int x) { return x * 100; } // => undefined reference | |
| extern inline int fun1_inline_extern(int x) { return x * 100; } | |
| static inline int fun1_inline_static(int x) { return x * 1000; } | |
| #define OVERRIDE 1 |