I have downloaded and installed both the Adafruit_LEDBackpack and the Adafruit_GFX libraries in my Libraries folder. I got these by following the link directly from the LED displays tutorial page.
When I try to upload a sample program(to Arduino Ethernet), such as quadalphanum, I get a long list of errors such as below.
This seems to suggest I need other libraries, but not sure. Is anyone aware of why these errors are occurring?
C:\Users\Gary\Documents\Arduino\libraries\Adafruit_LEDBackpack\Adafruit_LEDBackpack.cpp: In constructor 'Adafruit_8x16matrix::Adafruit_8x16matrix()':
C:\Users\Gary\Documents\Arduino\libraries\Adafruit_LEDBackpack\Adafruit_LEDBackpack.cpp:298: error: no matching function for call to 'Adafruit_GFX::Adafruit_GFX(int, int)'
C:\Users\Gary\Documents\Arduino\libraries\Robot_Control/Adafruit_GFX.h:41: note: candidates are: Adafruit_GFX::Adafruit_GFX(const Adafruit_GFX&)
C:\Users\Gary\Documents\Arduino\libraries\Robot_Control/Adafruit_GFX.h:41: note: Adafruit_GFX::Adafruit_GFX()
C:\Users\Gary\Documents\Arduino\libraries\Adafruit_LEDBackpack\Adafruit_LEDBackpack.cpp: In constructor 'Adafruit_8x8matrix::Adafruit_8x8matrix()':
C:\Users\Gary\Documents\Arduino\libraries\Adafruit_LEDBackpack\Adafruit_LEDBackpack.cpp:337: error: no matching function for call to 'Adafruit_GFX::Adafruit_GFX(int, int)'
C:\Users\Gary\Documents\Arduino\libraries\Robot_Control/Adafruit_GFX.h:41: note: candidates are: Adafruit_GFX::Adafruit_GFX(const Adafruit_GFX&)
C:\Users\Gary\Documents\Arduino\libraries\Robot_Control/Adafruit_GFX.h:41: note: Adafruit_GFX::Adafruit_GFX()
C:\Users\Gary\Documents\Arduino\libraries\Adafruit_LEDBackpack\Adafruit_LEDBackpack.cpp: In constructor 'Adafruit_BicolorMatrix::Adafruit_BicolorMatrix()':
C:\Users\Gary\Documents\Arduino\libraries\Adafruit_LEDBackpack\Adafruit_LEDBackpack.cpp:374: error: no matching function for call to 'Adafruit_GFX::Adafruit_GFX(int, int)'
C:\Users\Gary\Documents\Arduino\libraries\Robot_Control/Adafruit_GFX.h:41: note: candidates are: Adafruit_GFX::Adafruit_GFX(const Adafruit_GFX&)
C:\Users\Gary\Documents\Arduino\libraries\Robot_Control/Adafruit_GFX.h:41: note: Adafruit_GFX::Adafruit_GFX()