Differences

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--- en:c2_enhancement_gpio40_on_android [2017/05/19 16:16]
odroid [ADC and GPIO output]
+++ en:c2_enhancement_gpio40_on_android [2017/05/30 17:27] (current)
codewalker [Having a great fun with GPIO on Android]
@@ Line 1: / Line 1: @@
 ====== Having a great fun with GPIO on Android ======
-** You must install the C2 Android Marshmallow Ver2.7 image or higher to access the 40pin GPIO properly.**
+** You must install the C2 Android Marshmallow Ver2.8 image or higher to access the 40pin GPIO properly.**
 This WiKi explains how to make an Android app which can access GPIO ports.\\
@@ Line 29: / Line 29: @@
 <code>
 $ sudo apt install git
-$ git clone https://github.com/codewalkerster/example-wiringPi -b odroidc2_gpiomem
+$ git clone https://github.com/codewalkerster/example-wiringPi -b mater
 </code>
@@ Line 63: / Line 63: @@
 https://github.com/codewalkerster/example-wiringPi
+Select origin/master.
 {{:en:branch.png?nolink|}}
@@ Line 85: / Line 87: @@
 ==== 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. \\
+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. \\
@@ Line 95: / Line 99: @@
 {{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:img_20170526_153143.jpg?600}}
 {{: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|}}