Resolved. My primary problem was that the capacitive touch feature needed to be turned On with this line:
wr16(REG_TOUCH_CONFIG + RAM_REG, 0x5d0); //Capacitive touch screen on

More information can be seen here:
viewtopic.php?f=45&t=6966

I was able to resolve this problem. Here is what works with the EVE-Demo-Arduino and the added lines for calibration: void setup() //run once, setup { GlobalInit(); //EVE display interface initialization FT81x_Init(); //Reset and initialize the EVE wr8(REG_PWM_DUTY + RAM_REG,128); //Set the backligh...

I am using an EVE4 Capacitive touch, 7" screen. Is there an Arduino example program showing how to do the touchscreen calibration? I cannot get the touch function to work at all, and maybe this is the problem. I see in the Programming Guide, page 158 that I need to use: cmd_dlstart(); cmd(CLEAR...

I am unable to get a minimal Arduino touch screen to function. I am using an EVE4 Capacitive touch, 7" screen. The libraries I am using are from here https://www.lcdforums.com/forums/viewtopic.php?f=45&t=6918 I have removed all the unused display demo lines in the above linked program and r...

Thank you! Apparently I had an older version of this library.

The library found here: https://github.com/MatrixOrbital/EVE2-Library does not provide for a very basic function of changing the line width. The functions listed below are located in the Eve2_81x.h file, but there is no way that I can find to change the line width. There is a LINE_WIDTH command in S...

Yes. That is what I discovered. There is a way to change this in software, but it would be managing the SPI with software instead of the UART and the results are likely to be poor. The UART SPI connects to the Mega pins 50, 51, and 52. The Uno-to-Mega connection pins are: 11>51 12>50 13>52. The only...

I am able to get the Basic Arduino EVE Demo working with an Arduino Uno board. But nothing happens when I use a Mega2560 board. I need the Mega2560 board for my project. I am using the EVE2 Scoodo shield. The display is an EVE3-70G-BLM-TPC-F32. I am powering the Uno and Mega2560 boards with 12VDC. I...