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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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.. _th02-sample: TH02: Temperature and Humidity Monitor ###################################### Overview ******** This sample periodically reads temperature and humidity from the Grove Temperature & Humidity Sensor (TH02) and display the results on the Grove LCD display. Requirements ************ This sample uses the TH02 sensor and the grove LCD display. Both devices are controlled using the I2C interface. More details about the sensor and the display can be found here: - `Grove Temperature And Humidity`_ - `Grove LCD Module`_ Wiring ****** The easiest way to get this wired is to use the Grove shield and connect both devices to I2C. No additional wiring is required. Depending on the board you are using you might need to connect two 10K ohm resistors to SDL and and SDA (I2C). The LCD display requires 5 volts, so the voltage switch on the shield needs to be on 5v. References ********** - TH02: http://www.datasheetspdf.com/mobile/748107/TH02.html .. _Grove LCD Module: http://wiki.seeed.cc/Grove-LCD_RGB_Backlight/ .. _Grove Temperature And Humidity: http://wiki.seeed.cc/Grove-TemptureAndHumidity_Sensor-High-Accuracy_AndMini-v1.0/