Search found 224 matches

by Daniel Divino
Wed Jun 19, 2019 2:50 pm
Forum: EVE2 TFT's
Topic: EVE2-38G question about of the touch calibration
Replies: 3
Views: 176

Re: EVE2-38G question about of the touch calibration

Hi Chris, I have created a program that will specifically load the capacitive touch calibration file onto the EVE display. The example includes 2 different calibration functions. One function (Calibrate_Cap_Touch) will read the calibration values from the SD card and upload them to the display. You ...
by Daniel Divino
Wed Jun 12, 2019 3:15 pm
Forum: LK/ELK/VK/PK/OK/MX/GLK/EGLK/GVK/GLT
Topic: Help with VK204-25 I2C communication
Replies: 9
Views: 258

Re: Help with VK204-25 I2C communication

Hey Leonardo,

Any luck establishing communication with the VK204-25?

Cheers,
Daniel
by Daniel Divino
Mon Jun 10, 2019 4:15 pm
Forum: EVE2 TFT's
Topic: require code for designing on EVE2-70A
Replies: 7
Views: 349

Re: require code for designing on EVE2-70A

Hi Madhusudan.Jadhav, So you are not able to read '7C' from the FT81X during startup? The FT81X does require some time to start up. Could you try implementing a short delay at the beginning of your code to allow the EVE to boot properly? I'd say you start with 1000mS to start with. Once you have con...
by Daniel Divino
Thu Jun 06, 2019 10:39 am
Forum: EVE2 TFT's
Topic: Make EVE2-29A look like a green crt display
Replies: 16
Views: 535

Re: Make EVE2-29A look like a green crt display

Haha I hope it comes in a timely manner. I'd like to see a photo of the project once everything is all said and done.
by Daniel Divino
Wed May 29, 2019 12:31 pm
Forum: EVE2 TFT's
Topic: Make EVE2-29A look like a green crt display
Replies: 16
Views: 535

Re: Make EVE2-29A look like a green crt display

Hi Bob, Yeah, I guess my comments in the code were pretty vague eh? It also looks like the resolution values listed in the calculations are wrong as well. I must have been daydreaming of the weekend when I wrote those comments haha. The BITMAP_TRANSFORM registers are described in sections 4.12 to 4....
by Daniel Divino
Wed May 29, 2019 9:29 am
Forum: LK/ELK/VK/PK/OK/MX/GLK/EGLK/GVK/GLT
Topic: Help with VK204-25 I2C communication
Replies: 9
Views: 258

Re: Help with VK204-25 I2C communication

Hi Leonardo,

What pins are you connected to on the Arduino? Have you tried swapping the I2C RX and TX lines?

Cheers,
Daniel
by Daniel Divino
Tue May 28, 2019 10:08 am
Forum: LK/ELK/VK/PK/OK/MX/GLK/EGLK/GVK/GLT
Topic: Help with VK204-25 I2C communication
Replies: 9
Views: 258

Re: Help with VK204-25 I2C communication

Hi Leonardo,

My bad. The 'H's were meant to denote that the values were in hex.

Are any jumpers present on the J0-J3 pins? Also, what commands/data are you sending to the display?

Cheers,
Daniel
by Daniel Divino
Tue May 28, 2019 9:00 am
Forum: LK/ELK/VK/PK/OK/MX/GLK/EGLK/GVK/GLT
Topic: Help with VK204-25 I2C communication
Replies: 9
Views: 258

Re: Help with VK204-25 I2C communication

Hi Leonardo, It's good to see some of our older display models are still kicking around! The baud rate and I2C address on your Rev 1.22 VK204-25 can be configured by populating jumpers on the J0-J3 pins. According to section 2.1.3 in the VK204-25 Rev 1.23 classic manual, it looks like your display i...
by Daniel Divino
Fri May 24, 2019 1:51 pm
Forum: EVE2 TFT's
Topic: Make EVE2-29A look like a green crt display
Replies: 16
Views: 535

Re: Make EVE2-29A look like a green crt display

Hi Bob, You should be able to do that. Just convert all of the wr32 RAM_DL functions to their SendCMD counterparts. See below: // Using raw uncompressed bitmap data, the CoProcessor is not needed for inflation and the data is // stored into RAM_G without the use of the FIFO / CoProcessor. // This fu...
by Daniel Divino
Thu May 23, 2019 3:38 pm
Forum: EVE2 TFT's
Topic: Make EVE2-29A look like a green crt display
Replies: 16
Views: 535

Re: Make EVE2-29A look like a green crt display

Hi Bob, Please see the attached code. It's essentially a modified version of our EVE School code, but it draws your test image on screen. It includes 2 versions of your test screen: a jpg variant and a .raw variant. Their load times are comparable. I used Irfanview to convert your .tif image to a jp...
by Daniel Divino
Thu May 23, 2019 3:01 pm
Forum: EVE2 TFT's
Topic: Make EVE2-29A look like a green crt display
Replies: 16
Views: 535

Re: Make EVE2-29A look like a green crt display

Hi Bob,

I finally have some good news for you! I was able to load the image off of the SD card, scale it to fit the screen, and display it on the EVE2-29A.

I'll have to clean up my code, but I'll make sure to upload it later tonight.

Cheers,
Daniel
by Daniel Divino
Thu May 23, 2019 10:59 am
Forum: EVE2 TFT's
Topic: Make EVE2-29A look like a green crt display
Replies: 16
Views: 535

Re: Make EVE2-29A look like a green crt display

Hi Bob,

What kind of speeds were you seeing? Was it relatively fast to update?

Cheers,
Daniel
by Daniel Divino
Wed May 22, 2019 2:25 pm
Forum: EVE2 TFT's
Topic: Make EVE2-29A look like a green crt display
Replies: 16
Views: 535

Re: Make EVE2-29A look like a green crt display

Hi Bob, I've played around with the image you've provided and I'm still having difficulties displaying it properly on the EVE. I am able to get... something. But it definitely isn't what we want. Would it be possible for you to send me a jpeg version of what you are looking to display? Cheers, Daniel
by Daniel Divino
Wed May 15, 2019 5:23 pm
Forum: EVE2 TFT's
Topic: Make EVE2-29A look like a green crt display
Replies: 16
Views: 535

Re: Make EVE2-29A look like a green crt display

Hi Bob, I've done some testing here, and unfortunately, I wasn't able to display your image successfully in a relatively quick manner. I can display images, but they take a little bit of time to load from the SD card. I'll continue testing, but I should let you know that I'll be out of the office be...
by Daniel Divino
Mon May 13, 2019 9:06 am
Forum: LK/ELK/VK/PK/OK/MX/GLK/EGLK/GVK/GLT
Topic: Upgrading ELK204-7T firmware
Replies: 2
Views: 118

Re: Upgrading ELK204-7T firmware

Hi Foobar, Welcome to the Forums! Yes, you are correct. The ELK204-7T-1U is based on our LK204-7T-1U display. As you have mentioned, there seem to be a few errors in the display's description. I apologize for any inconvenience this has caused you. We are working to correct these errors on our websit...