Differences

This shows you the differences between two versions of the page.

--- en:c2_enhancement_gpio40_on_android [2017/05/18 14:40]
odroid [Configure NDK path for Android Studio]
+++ en:c2_enhancement_gpio40_on_android [2017/05/19 18:26]
odroid [PWM]
@@ Line 44: / Line 44: @@
 ===== Windows =====
-. Install git
+==== Set environment PATH to point NDK folder path ====
+{{:en:advanced_system_setting.png?nolink|}}
+{{:en:environment.png?nolink|}}
+{{:en:ndk_path.png?nolink|}}
+ Reboot Windows.
+==== Install git client program ====
 [[https://git-for-windows.github.io/]]
-, clone project
+==== Clone project ====
 {{:en:git.png?nolink&700|}}
@@ Line 56: / Line 66: @@
 {{:en:branch.png?nolink|}}
-. Set environment PATH to point NDK folder path
+==== Install NDK ====
-{{:en:advanced_system_setting.png?nolink|}}
+Toos -> Android -> SDK Manager
-{{:en:environment.png?nolink|}}
-{{:en:ndk_path.png?nolink|}}
-. Install NDK
 {{:en:android_sdk.png?nolink$500|}}
@@ Line 71: / Line 75: @@
-===== Import project & build =====
-There are five functions in this single application. Choose the function with "tab".\\
+===== Features of example project =====
 ==== ADC and GPIO output ====
-Read ADC value and show the level with 19 LEDs on GPIO output.\\
+Read ADC value and show the voltage level with 19 LEDs on GPIO output.\\
 {{http://dn.odroid.com/homebackup/android_wiringPi_ADC.png?600|}}
 {{youtube>zyfULOkj0Vw?medium}}
@@ Line 81: / Line 85: @@
 ==== PWM ====
+Basic PWM control example. You can choose the number of PWM outputs 1 or 2.\\
+And control the frequency and duty ratio.\\
 {{http://dn.odroid.com/homebackup/android_wiringPi_PWM.png?600|}}
+=== Gmail Notifier example ===
+This is fun and useful project using the PWM port. \\
+When you watch video or play games, you might lose a notification of the important email or message. \\
+The flag is moving by servo motor which is connected to a PWM pin on 40pin GPIO port. \\
+https://github.com/codewalkerster/GMailNotifier
+{{youtube>Vvq77w87RWQ?medium}}
 ==== I2C ====
+An example code to access our [[http://www.hardkernel.com/main/products/prdt_info.php?g_code=G144533067183|Weather Board]] to measure the temperature, humidity, atmospheric pressure, altitude and visible/invisible light intensities via I2C interface.\\
 {{:en:screenshot_2016-04-25-02-38-54.png?600|}}
 ==== UART ====
+A demo software for Sending and Receiving characters via UART interface. \\
 {{http://dn.odroid.com/homebackup/android_wiringPi_UART.png?600|}}
 ==== 1 Wire ====
+A demo software to access 1-wire protocol interfaced DS18S20 temperature sensor.\\
 {{http://dn.odroid.com/homebackup/android_wiringPi_1wire.png?600|}}