samples: subsys: logging: example of kconfig.log_template usage

Logger sample extended to use template for configuration of
sample module.

Signed-off-by: Krzysztof Chruscinski <[email protected]>

Author: nordic-krch

samples/subsys/logging/logger/CMakeLists.txt

@@ -1,5 +1,7 @@
 cmake_minimum_required(VERSION 3.8.2)
 
+set(KCONFIG_ROOT ${CMAKE_CURRENT_SOURCE_DIR}/Kconfig)
+
 include($ENV{ZEPHYR_BASE}/cmake/app/boilerplate.cmake NO_POLICY_SCOPE)
 project(NONE)
 

samples/subsys/logging/logger/Kconfig

@@ -0,0 +1,18 @@
+# Kconfig - Config options for logger sample app
+#
+# Copyright (c) 2018 Nordic Semiconductor ASA
+#
+# SPDX-License-Identifier: Apache-2.0
+#
+
+mainmenu "Logger sample application"
+
+menu "Application configuration"
+
+module = SAMPLE_MODULE
+module-str = Sample module
+source "subsys/logging/Kconfig.template.log_config"
+
+endmenu
+
+source "$(ZEPHYR_BASE)/Kconfig.zephyr"

samples/subsys/logging/logger/src/sample_module.c

@@ -4,10 +4,10 @@
  * SPDX-License-Identifier: Apache-2.0
  */
 #include <zephyr.h>
-
-#define LOG_MODULE_NAME foo
 #include <logging/log.h>
 
+#define LOG_MODULE_NAME sample_module
+#define LOG_LEVEL CONFIG_SAMPLE_MODULE_LOG_LEVEL
 LOG_MODULE_REGISTER(LOG_MODULE_NAME);
 
 const char *sample_module_name_get(void)