Setting up Arduino UNO with Joystick demo project.

[Enthused Dragon]

Hi guys,

I'm busy wiring up a custom controller for my PC that has two joysticks, a thruster and 12 buttons.

I've got a Arduino UNO I want to wire everything to but I'm having trouble compiling the LUFA Joystick Demo.

I've made the changes to the makefile:

MCU          = atmega16u2

ARCH         = AVR8

BOARD        = UNO

F_CPU        = 16000000Enter code here...

Then I received errors stating that there are no Buttons.h or Joystick.h files in the Boards/UNO/ directory.

I copied the two files over from the Boards/USBKEY and then it found the files but I'm getting the following errors now.

 [INFO]    : Begin compilation of project "Joystick"...

avr-gcc.exe (AVR_8_bit_GNU_Toolchain_3.6.1_1750) 5.4.0

Copyright (C) 2015 Free Software Foundation, Inc.

This is free software; see the source for copying conditions.  There is NO

warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.

 [GCC]     : Compiling C file "Joystick.c"

avr-gcc -c -pipe -gdwarf-2 -g2 -mmcu=atmega16u2 -fshort-enums -fno-inline-small-functions -fpack-struct -Wall -fno-strict-aliasing -funsigned-char -funsigned-bitfields -ffunction-sections -I. -DARCH=ARCH_AVR8 -DF_CPU=16000000UL -mrelax -fno-jump-tables -x c -Os -std=gnu99 -Wstrict-prototypes -DUSE_LUFA_CONFIG_HEADER -IConfig/ -I. -I../../../../LUFA/.. -DARCH=ARCH_AVR8 -DBOARD=BOARD_UNO -DF_USB=16000000UL  -MMD -MP -MF obj/Joystick.d Joystick.c -o obj/Joystick.o

In file included from ../../../../LUFA/../LUFA/Drivers/Board/Joystick.h:114:0,

                 from Joystick.h:49,

                 from Joystick.c:37:

../../../../LUFA/../LUFA/Drivers/Board/AVR8/UNO/Joystick.h: In function 'Joystick_Init':

../../../../LUFA/../LUFA/Drivers/Board/AVR8/UNO/Joystick.h:100:5: error: 'DDRE' undeclared (first use in this function)

     DDRE  &= ~JOY_EMASK;

     ^

../../../../LUFA/../LUFA/Drivers/Board/AVR8/UNO/Joystick.h:100:5: note: each undeclared identifier is reported only once for each function it appears in

../../../../LUFA/../LUFA/Drivers/Board/AVR8/UNO/Joystick.h:103:5: error: 'PORTE' undeclared (first use in this function)

     PORTE |=  JOY_EMASK;

     ^

../../../../LUFA/../LUFA/Drivers/Board/AVR8/UNO/Joystick.h: In function 'Joystick_Disable':

../../../../LUFA/../LUFA/Drivers/Board/AVR8/UNO/Joystick.h:109:5: error: 'DDRE' undeclared (first use in this function)

     DDRE  &= ~JOY_EMASK;

     ^

../../../../LUFA/../LUFA/Drivers/Board/AVR8/UNO/Joystick.h:112:5: error: 'PORTE' undeclared (first use in this function)

     PORTE &= ~JOY_EMASK;

     ^

../../../../LUFA/../LUFA/Drivers/Board/AVR8/UNO/Joystick.h: In function 'Joystick_GetStatus':

../../../../LUFA/../LUFA/Drivers/Board/AVR8/UNO/Joystick.h:118:56: error: 'PINE' undeclared (first use in this function)

     return (((uint8_t)~PINB & JOY_BMASK) | (((uint8_t)~PINE & JOY_EMASK) >> JOY_PORTE_MASK_SHIFT));

                                                        ^

In file included from ../../../../LUFA/../LUFA/Drivers/Board/Buttons.h:102:0,

                 from Joystick.h:51,

                 from Joystick.c:37:

../../../../LUFA/../LUFA/Drivers/Board/AVR8/UNO/Buttons.h: In function 'Buttons_Init':

../../../../LUFA/../LUFA/Drivers/Board/AVR8/UNO/Buttons.h:78:5: error: 'DDRE' undeclared (first use in this function)

     DDRE  &= ~BUTTONS_BUTTON1;

     ^

../../../../LUFA/../LUFA/Drivers/Board/AVR8/UNO/Buttons.h:79:5: error: 'PORTE' undeclared (first use in this function)

     PORTE |=  BUTTONS_BUTTON1;

     ^

../../../../LUFA/../LUFA/Drivers/Board/AVR8/UNO/Buttons.h: In function 'Buttons_Disable':

../../../../LUFA/../LUFA/Drivers/Board/AVR8/UNO/Buttons.h:84:5: error: 'DDRE' undeclared (first use in this function)

     DDRE  &= ~BUTTONS_BUTTON1;

     ^

../../../../LUFA/../LUFA/Drivers/Board/AVR8/UNO/Buttons.h:85:5: error: 'PORTE' undeclared (first use in this function)

     PORTE &= ~BUTTONS_BUTTON1;

     ^

../../../../LUFA/../LUFA/Drivers/Board/AVR8/UNO/Buttons.h: In function 'Buttons_GetStatus':

../../../../LUFA/../LUFA/Drivers/Board/AVR8/UNO/Buttons.h:91:14: error: 'PINE' undeclared (first use in this function)

     return ((PINE & BUTTONS_BUTTON1) ^ BUTTONS_BUTTON1);

              ^

In file included from ../../../../LUFA/../LUFA/Drivers/Board/Joystick.h:114:0,

                 from Joystick.h:49,

                 from Joystick.c:37:

../../../../LUFA/../LUFA/Drivers/Board/AVR8/UNO/Joystick.h: In function 'Joystick_GetStatus':

../../../../LUFA/../LUFA/Drivers/Board/AVR8/UNO/Joystick.h:119:4: warning: control reaches end of non-void function [-Wreturn-type]

    }

    ^

In file included from ../../../../LUFA/../LUFA/Drivers/Board/Buttons.h:102:0,

                 from Joystick.h:51,

                 from Joystick.c:37:

../../../../LUFA/../LUFA/Drivers/Board/AVR8/UNO/Buttons.h: In function 'Buttons_GetStatus':

../../../../LUFA/../LUFA/Drivers/Board/AVR8/UNO/Buttons.h:92:4: warning: control reaches end of non-void function [-Wreturn-type]

    }

    ^

make: *** [obj/Joystick.o] Error 1

If anyone has an idea of what I'm missing or doing wrong, I'd appreciate that.

[Don Davis]

James,

Did you figure this out yet? DDRE (the data direction register for port E) doesn't exist on the 16u2. The usb key uses a 128 pin chip which has many more resources including port E. You need to make a Joystick.h that matches the UNO and your particular hardware. FWIW, if you switched over to the Leonardo, or the M0 based arduinos, the current core has perfectly workable HID implementations that you can use until you get up to speed on whatever you were expecting LUFA to do. 

Cheers,

D

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[Enthused Dragon]

Hey,

Thanks, I only had the UNO available to me at the moment.

I managed to do what I wanted using Hoodloader2. :)