Error compiling with Adafruit TFTLCD library on Arduino Mega 2560

Projects Programming
1

I've been looking everywhere for a solution to this, but can't find anything... Here is the hardware I'm using:

Arduino Mega 2560
https://www.elegoo.com/product/elegoo-mega-2560-r3-board-blue-atmega2560-atmega16u2-usb-cable/

TFT LCD with Touchscreen Breakout Board

I currently have it setup using the 8-bit wiring scheme.

My Libraries:
Adafruit_GFX_Library (v1.5.3)
Adafruit_ILI9341 (v1.5.5)
Adafruit_STMPE610 (v1.1.2)
Adafruit_TFTLCD_Library (v1.0.2)
Adafruit_Touchscreen (v1.1.0)

When I go to upload tftpaint, it gives me these errors:

In file included from C:\Users\user\OneDrive\Documents\Arduino\libraries\Adafruit_TFTLCD_Library\Adafruit_TFTLCD.cpp:17:0:

C:\Users\user\OneDrive\Documents\Arduino\libraries\Adafruit_TFTLCD_Library\pin_magic.h:362:5: warning: backslash and newline separated by space

     \

      

C:\Users\user\OneDrive\Documents\Arduino\libraries\Adafruit_TFTLCD_Library\Adafruit_TFTLCD.cpp:935:0: warning: "read8" redefined

 #define read8(x) x = read8fn()

 

In file included from C:\Users\user\OneDrive\Documents\Arduino\libraries\Adafruit_TFTLCD_Library\Adafruit_TFTLCD.cpp:17:0:

C:\Users\user\OneDrive\Documents\Arduino\libraries\Adafruit_TFTLCD_Library\pin_magic.h:230:0: note: this is the location of the previous definition

 #define read8 read8inline

 

C:\Users\user\OneDrive\Documents\Arduino\libraries\Adafruit_TFTLCD_Library\Adafruit_TFTLCD.cpp: In member function 'void Adafruit_TFTLCD::begin(uint16_t)':

C:\Users\user\OneDrive\Documents\Arduino\libraries\Adafruit_TFTLCD_Library\pin_magic.h:533:12: warning: large integer implicitly truncated to unsigned type [-Woverflow]

     lo = (d);                                                                  \

            ^

C:\Users\user\OneDrive\Documents\Arduino\libraries\Adafruit_TFTLCD_Library\pin_magic.h:234:25: note: in expansion of macro 'writeRegister16inline'

 #define writeRegister16 writeRegister16inline

                         ^~~~~~~~~~~~~~~~~~~~~

C:\Users\user\OneDrive\Documents\Arduino\libraries\Adafruit_TFTLCD_Library\Adafruit_TFTLCD.cpp:354:5: note: in expansion of macro 'writeRegister16'

     writeRegister16(ILI9341_VCOMCONTROL1, 0x2B2B);

     ^~~~~~~~~~~~~~~

Any help would be greatly appreciated!

2

Those are warnings so they might be OK. I would go to Tools-> Manage Libraries... and see if there are updates available for any of those libraries (select Type: Updatable). Click the Update button for each of those.

3

Well, it finishes uploading, you're right, but the program doesn't work like it's supposed to. The only thing that appears on the tftlcd is a white background. The libraries are all updated except for the Adafruit GFX library, but that's because past version 1.5.3, it doesn't work with the Adafruit TFTLLCD library.