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--- hstarwiki:cust:gen:arduino [2016-09-09 T 23:40]
admin
+++ hstarwiki:cust:gen:arduino [2017-03-03 T 17:14] (current)
@@ Line 2: / Line 2: @@
 Things you need:
   * Arduino
-  * Power supply or Printer USB cable
+  * Printer USB cable (Type B)
   * Arduino Software
 For linux you can run the software from bash or make a script. It is good to do sudo so you have all permissions for ports
   * $arduino
+After running the program, you can make or upload scripts. then comile and load
-====== Coding Notes ======
+==== This document ====
+many examples in this document show examples of code. Unless in a code box, the examples will start with $ and follow some of hte principals in the [[hstarwiki:linux|linux]] page on this wiki.
+==== Coding Notes ====
 IDEA!!!!!: Can write examples of if then (etc) operations of what would hapen if, and so on in the comments.
   * 2015-03-14 Left off at:http://arduino.cc/en/Tutorial/AnalogReadSerial
-==== Basic scripts: ====
+===== Basic scripts: ======
+Minimum for a script:
 <code>
 void setup() {
@@ Line 19: / Line 24: @@
  }
 </code>
-==== Basic Sytax ====
+====== Basic Sytax ======
 == No Code ==
-  * /*
+<code>
-  * you can write notes that will not be part of the scripte with forward slash star
+/*
-  * then star forward slash to end
+ you can write notes that will not be part of the scripte with forward slash star
-  * */
+then star forward slash to end
-  * // You can also do just forward slash, forward slash space for a single line
+*/
-  * End of line
+</code>
+  * %%//%% You can also do just forward slash, forward slash space for a single line
+End of line
   * Use semicolen at the end of each line, ex:
-  * pinMode(13, OUTPUT);
+  * $pinMode(13, OUTPUT);
 == Pins: ==
-Unless othersiwse stated, pins are just indicated by numbers such as:
+Unless othersiwse stated, pins are just indicated by numbers such as this indicated pin 13 on the actual board:
   * pinMode(13, OUTPUT);
-  * delay([milliseconds])
-==== Advanced Syntax ====
+== Other: ==
+  * $delay([milliseconds]);
+  * This sets a delay
+====== Advanced Syntax ======
 == Cast ==
 Cast is a way of converting one type of data, to another type,
   * such as float to int
-  * ([type])[var]
+  * $([type])[var]
   * type is things like float or int
   * var is any variable or constant
   * Example (to change a float brightness to a int brightness
-  * float bright = sensorValue * (255.0 / 1023.0);
+<code>
-  * int bint; // a way to define an int name, but give no value
+float bright = sensorValue * (255.0 / 1023.0);
-  * float bflo; // define float name, but give no value
+int bint; // a way to define an int name, but give no value
-  * bflo = bright; // sets what value the float is
+float bflo; // define float name, but give no value
-  * bint = (int)bflo; // this is the cast directive
+bflo = bright; // sets what value the float is
-  * analogWrite(led, bint); // for this example, it would cast the light as an int through a pwm pin and allow it to be an integer between 0-255
+bint = (int)bflo; // this is the cast directive
-  *
+analogWrite(led, bint); // for this example, it would cast the light as an int through a pwm pin and allow it to be an integer between 0-255
-  * Before void setup:
+</code>
-  *
+====== Script setup: ======
-  * Before setup you can define things such as int
-  *
+Before setup you can define things such as int
-  * void setup
+==== void setup ====
-  *
+More:http://arduino.cc/en/Reference/Setup. "The setup() function is called when a sketch starts. Use it to initialize variables, pin modes, start using libraries, etc. The setup function will only run once, after each powerup or reset of the Arduino board. "
-  * More:http://arduino.cc/en/Reference/Setup
+==== Within the void setup brackets {} ====
-  * "The setup() function is called when a sketch starts. Use it to initialize variables, pin modes, start using libraries, etc. The setup function will only run once, after each powerup or reset of the Arduino board. "
+==== Numbers and more ====
-  * Within the void setup brackets {}
+== int ==
-  *
+  * $int [var] = [x]:
-  * Numbers and more etc
-  *
-  * int
-  * int [var] = x:
   * This will define an integer with
   * [var]
@@ Line 70: / Line 76: @@
   * If larger see:
   * http://arduino.cc/en/Reference/Int
-  * Can also make x a sensor value or other things ex
+  * Can also make x a sensor value or other things. ex:
   * int sensorvalue = analogRead(A0);
-  *
+== float ==
-  * float
   * float [var] = [val];
   * [var]
@@ Line 79: / Line 84: @@
   * [val]
   * 32bit number meant for decimal point value
-  *
+== long ==
-  * long
   * long [var] = [val][L]
   * for ding larger numbers that are 32bit but integers.
@@ Line 86: / Line 90: @@
   * ex:
   * long speedOfLight - 186000L
-  *
-  * Before operators:
+==== Before operators ====
-  *
+const
-  * const
+  * $const [type] [name] = [var]
-  * const [type] [name] = [var]
   * A constant will not change, so you can not use operations to change the int or float
-  *
+unsigned
-  * unsigned
+  * $unsigned [type] [name] = [var]
-  * unsigned [type] [name] = [var]
   * Unsigned will use the bit available per type in only positive.
   * for example for int, it will used:0 to 65,535
   * instead of -32,768 and 32,768
-  *
+====== Modes ======
-  *
-  * Modes
+  * $pinMode([pin], [configuration]);
-  *
-  * pinMode([pin], [configuration]);
   * http://arduino.cc/en/Tutorial/DigitalPins
   * [pin] an be a number, or if defined int earlier, that int definition
@@ Line 113: / Line 113: @@
   * INPUT_PULLUP
   * This needs more explanation but basically changes the ohm resistance for better? or Varied? inputs
-  *
+  * $digitalWrite([pin], [value])
-  * digitalWrite([pin], [value])
   * [pin]
   * number of pin, or constant
@@ Line 122: / Line 121: @@
   * Low
   * sends 0V
-  *
+read
-  * digitalRead([pin])
+  * $digitalRead([pin])
   * will read whatever value is active on [pin], often set is INPUT
   * may need to
-  *
+read analog
-  * analogRead([pin])
+  * $analogRead([pin])
   * Will give an analog read between 0-1023 (10bit)
-  *
+if else
-  * if else
+<code>
-  * if ([if formula])
+if ([if formula])
-  * {
+{
-  *  // then do this
+ // then do this
-  * }
+}
-  * else {
+else {
-  * // then do this
+// then do this
-  * }
+}
+</code>
   * Do not need else forumla as it will follow after if
   * can do:
-  * else if ([if then formula)
+<code>
-  * {
+else if ([if then formula)
-  * // Then do this
+{
-  * }
+// Then do this
+}
+</code>
   * and chain together other paremiters, but be sure to end with basic else
   * Do not need else, but watch out
+====== Operators ======
   *  x == y (x is equal to y) !!! important to use 2 equals
   *  x != y (x is not equal to y)
@@ Line 155: / Line 158: @@
   * ! (equals NOT)
   * && (equals AND)
-  * Serial
+====== Serial ======
-  *
   * http://arduino.cc/en/Reference/Serial
   * Some pins are auto serial (kinda like the auto 5V or GND)
   * But you can define a pin with:
-  * Serial.[options]([var]);
+  * $Serial.[options]([var]);
   * [options]
   * .begin
   * Will beging sending output via the serial port at whatever baud rate. ex:
-  * Serial.begin(9600)
+  * $Serial.begin(9600)
   * Note: This only initializes the serial communication so you most likely want to put it in the setup area.
   * .println
@@ Line 172: / Line 174: @@
   * .print("[text]")
   * in this option, it will print text within the parenthesis
-  *
   * [baud]
   * The baud rate of the signal. Usually 9600
-  *
-  *
-  * Readouts
-  *
-  * millis()
-  * will return the ammount of millisconds since the prgrams has started
-  * Glossery:
+====== Readouts ======
+  * $millis()
+  * will return the ammount of millisconds since the prgrams has started
+====== Glossery: ======
   * PWM = Pulse width modulation. Basically an analog modulation variable that sends an analog signal
   * It can set the modulation at 8bit or 0-255. ex:
   * analogWrite(127) which is about half.
-  *
+====== last code ======

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