Adding ReadUltrasonicSensor support

Author: StanislavJochman

README.adoc

@@ -135,7 +135,7 @@ Reads the value from external ultrasonic sensor.
 
 #### Returns
 
-Distance in mm from `0` or `1`. 1 means obstacle at distance lower then 30cm and 0 means no obstacle.
+Distance in mm from `0` or `1`. 1 means obstacle at distance lower then trigger distance(can be set by potentiometer) and 0 means no obstacle.
 
 ---
 

keywords.txt

@@ -12,7 +12,7 @@ Attiny84_IO_basic	                 KEYWORD1
 ###########################################
 # Methods and Functions (KEYWORD2)
 ###########################################
-Robot                              KEYWORD2
+Cing                               KEYWORD2
 RunMotor	                         KEYWORD2
 ReadLightSensor	                   KEYWORD2
 ReadUltrasonicSensor	             KEYWORD2

library.json

@@ -26,7 +26,7 @@
     "authors": "Stanislav Jochman, Veronika Nemjová",
     "frameworks": "arduino"
   },
-  "version": "3.0.6",
+  "version": "3.0.7",
   "frameworks": "arduino",
   "platforms": "*"
 }

library.properties

@@ -1,5 +1,5 @@
 name=Attiny84_IO_basic
-version=3.0.6
+version=3.0.7
 author=RobotCing Team
 maintainer=RobotCing Team <robotcing@gmail.com>
 sentence=Library for robot Cing with Attiny84.

src/Attiny84_IO_basic.cpp

@@ -242,7 +242,7 @@ int Cing::ReadLightSensor(int sensor,String mode)
 //--------------------------------------------
 //           UltrasonicSensor
 //--------------------------------------------
-int Cing::ReadUltrasonicSensor()
+bool Cing::ReadUltrasonicSensor()
   {
     #define UltrasonicSensor 4
     pinMode(UltrasonicSensor,INPUT);

src/Attiny84_IO_basic.h

@@ -15,7 +15,7 @@ class Cing
     Cing();
     void RunMotor(String motor,int speed= 100,String mode = "digital");
     int ReadLightSensor(int sensor = 1,String mode = "digital");
-    int ReadUltrasonicSensor();
+    bool ReadUltrasonicSensor();
     int ReadShineSensor();
     bool ReadButtonExternal();
     int ReadPotentiometerExternal();