Initial commit.

Signed-off-by: Yilin Sun <imi415@imi.moe>

.gitignore

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+.mbedbuild
+cmake_build/
+cmake-build-*
+mbed-os

CMakeLists.txt

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+# Copyright (c) 2022 ARM Limited. All rights reserved.
+# SPDX-License-Identifier: Apache-2.0
+
+cmake_minimum_required(VERSION 3.19.0)
+
+set(MBED_PATH ${CMAKE_CURRENT_SOURCE_DIR}/mbed-os CACHE INTERNAL "")
+set(MBED_CONFIG_PATH ${CMAKE_CURRENT_BINARY_DIR} CACHE INTERNAL "")
+set(APP_TARGET hello_world)
+
+include(${MBED_PATH}/tools/cmake/app.cmake)
+
+project(${APP_TARGET})
+
+add_subdirectory(${MBED_PATH})
+
+add_executable(${APP_TARGET}
+    main.cpp
+)
+
+target_link_libraries(${APP_TARGET} mbed-os)
+
+mbed_set_post_build(${APP_TARGET})
+
+option(VERBOSE_BUILD "Have a verbose build process")
+if(VERBOSE_BUILD)
+    set(CMAKE_VERBOSE_MAKEFILE ON)
+endif()

main.cpp

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+/* mbed Microcontroller Library
+ * Copyright (c) 2022 ARM Limited
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+#include "mbed.h"
+
+int main()
+{
+    printf("Hello, Mbed!\n");
+
+    DigitalOut led(GPIO_AD_B0_00);
+
+    for(;;) {
+        led = !led;
+        ThisThread::sleep_for(500ms);
+    }
+
+    return 0;
+}

mbed-os.lib

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+https://github.com/imi415/mbed-os#imxrt_ldscript_syntax

mbed_app.json

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+{
+    "target_overrides": {
+        "K64F": {
+            "platform.stdio-baud-rate": 9600
+        }
+    }
+}