nik-sharky / arduino-goodix Goto Github PK

Tried a lot of times but it cannot be connected to I2C.

I used an oscilloscope and that's what I saw.

Hi, I kinda new to touch panels world, is there was any tests for GT92* chips? I'm looking into playing with https://www.buydisplay.com/default/10-1-inch-capacitive-touch-panel-with-controller-gt9271-10-point-multi-touch touch panel in my project, I wonder if I'll get any luck connecting it to arduino or esp32?

when i try to run it on my arduino mega my arduino show
////////////////////////////////////////////////////////////////////
C:\Users\sa\Documents\arduino\libraries\arduino-goodix-master\Goodix.cpp: In member function 'void Goodix::armIRQ()':

C:\Users\sa\Documents\arduino\libraries\arduino-goodix-master\Goodix.cpp:150:27: error: '_goodix_irq_handler' was not declared in this scope

attachInterrupt(intPin, _goodix_irq_handler, RISING);
/////////////////////////////////////////////////////////////////////
how can i fix it?
thank you;

Hi!
I want to test the driver but when I check the sketch in Arduino IDE I get a stuck on log.h. where I can find it? Or I do something wrong?

Hey,

thanks for your work.
I just now try to get it running with ESP32 Arduino.

The I2C communication is ok, but gt911 don´t send int when it is press. but sometimes he send a lot int without different data.

i don´t know where i should start to search ?.

what´s going on with your firmware file. do i need this ?

thanks arnold

The callback mechanism is useless for many applications, like feeding input to LVGL

Can you add a way to use this without forcing a callback?

Hello
I am starting to work with a 9 inch gt911 touch panel, just wanted to know if this code is configuring the values of the registers, such as command register Or I should do that on my own?
It seems like it's using the touch panel after giving a start condition and it's not sending data for the registers to make it ready.

Thanks

Hi, Thanks for the awesome effort you put into this library. I tried to run this code. however, I'm getting very large numbers for X and Y positions. I have called the readInfo() function and it returned the correct resolution as 320 x 480.

This is the screen I'm using - http://www.lcdwiki.com/3.5inch_LCD_MODULE-Capacitive_Touch

This is what I'm getting when I touch the screen,

C0: #0 X = 65280 Y = 12032 s:0
C0: #0 X = 65280 Y = 12032 s:0
C0: #0 X = 65280 Y = 12032 s:0
C0: #0 X = 65280 Y = 12032 s:0
C0: #0 X = 65280 Y = 12032 s:0
C0: #0 X = 65280 Y = 12032 s:0
C0: #0 X = 65280 Y = 12032 s:0

What could be the issue here?

Hi, I connect GT9110 TP with Arduino Nano with I2C and the other two pins connection and uploaded your AVR code from the Examples folder, and open Serial monitor and I receive these logs from Serial monitor.

-> Goodix GT911x touch driver
-> Module reset OK
-> Check ACK on addr request on 0x5D: SUCCESS

END. No Coordinate values are printed.

Please correct me if I'm doing something wrong. and I also try this same with ESP32 and the results are the same.

see few images for reference.

I added 2.2k ohm pull-up for I2C and 10k ohm Pull-up with RST pin (as suggested in datasheet)

Hi, thanks for your code, when i run with my TP, but the X/Y point was inaccuracy, how to config it?
thank you.

Bro , First thanks for sharing your lib

but I can't make it work with Uno

I get some errors about godix::armIRQ ......

Can u help?

I still must admit, that I may have some hardware issues, so take this with a grain of salt.

After re-wiring my WEMOS, I finally got some readings from the sensor, which I consider a bit strange. I got stable results including the sensing of 1 to 5 fingers, but for the different contact points I got for instance a changing for the x-axis with values ranging from about 10000 to 60000 with a nearly constant y-axis-value. For other points x or y was always 0. My first guess was some sort of register misalignement and I wanted to check this later.

Then I decides to make some tests with the firmware. I dumped the current firmware with your helper function and wrote g911xFW[] from GoodixFW.h to the device with:
touch.write(GOODIX_REG_CONFIG_DATA, g911xFW, sizeof(g911xFW));

This firmware did not survive a device reset but I could see the change in memory with a register dump before and after writing. My strange readings did not change.

Then I gave your g911xLenovoTab-FW a chance and added a 0x01 at the end. This firmware survives a reset and stopped all readings from the sensor immediatly. I can still do a register dump without a problem.

So my concrete question is:
Should g911xFW[] from GoodixFW.h be writable to the chip and stay persistent in memory? And should it be possible to write different firmwares back and forth?

Hi have a few touch screens and one of them gives the x axis inverted in relation to the other. I've scratch the datasheet and can't see any config for this..

Hello!

how can i detect a touch release of the touch panel? so far I only have interrupts that signal that I touched the panel, but I would also like to have interrupts when I release the panel after touching it!

How can I have this second kind of interrupt?
thanks!