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Introducing CMake is an important step in a larger effort to make Zephyr easy to use for application developers working on different platforms with different development environment needs. Simplified, this change retains Kconfig as-is, and replaces all Makefiles with CMakeLists.txt. The DSL-like Make language that KBuild offers is replaced by a set of CMake extentions. These extentions have either provided simple one-to-one translations of KBuild features or introduced new concepts that replace KBuild concepts. This is a breaking change for existing test infrastructure and build scripts that are maintained out-of-tree. But for FW itself, no porting should be necessary. For users that just want to continue their work with minimal disruption the following should suffice: Install CMake 3.8.2+ Port any out-of-tree Makefiles to CMake. Learn the absolute minimum about the new command line interface: $ cd samples/hello_world $ mkdir build && cd build $ cmake -DBOARD=nrf52_pca10040 .. $ cd build $ make PR: zephyrproject-rtos#4692 docs: http://docs.zephyrproject.org/getting_started/getting_started.html Signed-off-by: Sebastian Boe <sebastian.boe@nordicsemi.no> |
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| src | ||
| CMakeLists.txt | ||
| Makefile | ||
| prj.conf | ||
| README.txt | ||
| sample.tc | ||
| sample.yaml | ||
Title: Logger application hook sample
Description:
A simple example on how to use logger hook in order to redirect the logger
output to various backends.
In this case, the logger is sending the output to ringbuf,
logger output can be sent to a driver such as UART / USIF etc. as well.
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Building and Running Project:
This project outputs to the console. It can be built and executed on QEMU as
follows:
make run
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Troubleshooting:
Problems caused by out-dated project information can be addressed by
issuing one of the following commands then rebuilding the project:
make clean # discard results of previous builds
# but keep existing configuration info
or
make pristine # discard results of previous builds
# and restore pre-defined configuration info
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Sample Output:
[syslogger] [ERR] main: SYS LOG ERR is ACTIVE
[syslogger] [WRN] main: SYS LOG WRN is ACTIVE
[syslogger] [INF] main: SYS LOG INF is ACTIVE