first commit

apps/kconfig_hello/CMakeLists.txt

@@ -0,0 +1,8 @@
+# SPDX-License-Identifier: Apache-2.0
+
+cmake_minimum_required(VERSION 3.20.0)
+
+find_package(Zephyr REQUIRED HINTS $ENV{ZEPHYR_BASE})
+project(hello_world)
+
+target_sources(app PRIVATE src/main.c)

apps/kconfig_hello/prj.conf

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+# Enable the logging framework
+CONFIG_LOG=y
+# Set the default logging level
+CONFIG_LOG_DEFAULT_LEVEL=3
+
+#--- DEBUG PRESET - BEGIN ---#
+# Set to -Og
+CONFIG_DEBUG_OPTIMIZATIONS=y
+# Thread awareness support
+CONFIG_DEBUG_THREAD_INFO=y
+# Generate stack usage per-function
+CONFIG_STACK_USAGE=y
+# Other options in case not set by default
+CONFIG_BUILD_OUTPUT_HEX=y
+CONFIG_BUILD_OUTPUT_META=y
+CONFIG_OUTPUT_SYMBOLS=y
+CONFIG_OUTPUT_STAT=y
+CONFIG_OUTPUT_DISASSEMBLY=y
+CONFIG_OUTPUT_PRINT_MEMORY_USAGE=y
+#--- DEBUG PRESET - END ---#

apps/kconfig_hello/src/main.c

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+#include <zephyr/kernel.h>
+#include <zephyr/sys/printk.h>
+
+int main(void) {
+
+	printk("Hello World from Zephyr! %s\n", CONFIG_BOARD_TARGET);
+
+	if (IS_ENABLED(CONFIG_LOG)) {
+		printk("Logging is enabled (level=%d)\n", CONFIG_LOG_DEFAULT_LEVEL);
+	} else {
+		printk("Logging is disabled\n");
+	}
+
+	return 0;
+}