Compiling VfoSource from QST's excellent article on DDS for Forty-9er

QST March 2016 has a terrific article on using a DDS controlled by an Arduino to be the VFO for a cheap CW transceiver known as the Forty-9er.

Download it here: http://www.arrl.org/files/file/QST%20Binaries/Mar2016/Purdum-Zia-Kidder.zip

But the instructions on compiling the code leave a few things out and I thought I'd document it here for others who might run in to problems.

• I'm Running Arduino 1.6.7 from: https://www.arduino.cc/en/Main/Software

Opened VfoSource

Users/marksp/Downloads/Purdum-Zia-Kidder/VfoSource/VfoSource.ino:11:76: fatal error: rotary.h: No such file or directory
 #include <rotary.h>   // From Brian Low: https://github.com/brianlow/Rotary
                                                                            ^
compilation terminated.
exit status 1
Error compiling.

--

Went to Sketch - Include Library - Manage Libraries
Searched for Rotary but not found.

--
 
Now, following the instructions from the top of the source code.

Went to https://github.com/brianlow/Rotary
Clicked the "Download ZIP" button which downloaded the zip file.

Choose Sketch - include library - Add .Zip library and chose the downloaded Rotary-master.zip.

Choose Sketch - include library - Chose Include Rotary-master.

I note that the IDE now shows:

#include <Rotary.h>   # Note angle brackets around Rotary.h (I can't get this blog to include them)

rather than

#include <rotary.h>

So case is important.

Clicked the tick and the error now is:

VfoSource.ino:21:31: fatal error: LiquidCrystal_I2C.h: No such file or directory
 #include <LiquidCrystal_I2C.h>
 
--

Visit https://bitbucket.org/fmalpartida/new-liquidcrystal/downloads

Downloaded the latest LiquidCrystal which for me is LiquidCrystal_V1.2.1.Zip

Unzip the download to LiquidCrystal. I renamed this to LiquidCrystal_I2Cqst to avoid a collision with an existing library.

Copied these files over to that directory:

LiquidCrystal_I2C.cpp
LiquidCrystal_I2C.h
I2CIO.cpp
I2CIO.h
LCD.cpp
LCD.h

Choose Sketch - include library - Add .Zip library and chose the folder LiquidCrystal_I2Cqst

• Choose Sketch - include library - Add .Zip library and chose the folder LiquidCrystal_I2Cqst

Hit the tick and all compiles now:


Sketch uses 9,460 bytes (30%) of program storage space. Maximum is 30,720 bytes.
Global variables use 544 bytes (26%) of dynamic memory, leaving 1,504 bytes for local variables. Maximum is 2,048 bytes.

I hope this saves someone else a little frustration.