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Arduino gettextbounds problems
Arduino gettextbounds problems. h> and then use Screen. when I call this function with setTextSize = 2: Jan 25, 2022 · So I'm trying to center a text with an OLED module, the problem is it is an int value "now. They were no help to me. h> # Jan 25, 2024 · I don't understand your last reply. I follow the instructions from the GxEPD2_Example. Aug 1, 2024 · In this tutorial you will learn how to measure temperature and relative humidity using the Si7021 Sensor and an Arduino. Starting Sept 13 the devices/things have been unable to connect to the cloud. (once a second or once a minute) Nov 29, 2022 · The Adafruit 5x5 NeoPixel Grid BFF can attach to the back of a QT Py or Xiao board. Aug 23, 2023 · Hi everyone, i am working with a displa and driving iw with the MCUFRIEND library, the problem that i have right now is that i cant manage to write some text over a colored loading bar. Below is my circuit schematic Below is my code: # Jan 16, 2018 · Okay, So, I'm currently running a TMP-36 and 128x64 oLED display with my Arduino Leonardo Micro. getTextBounds(buf, x, y, &x1, &y1, &w, &h);" statement along with the y coordinate to tell this statement what the initial cursor location is before the "getTextBounds" computes where to place the input text string, as a centered string on the display. cpp, pcRead. h> #include <Adafruit_SSD1306. The measureText is the length of the text, including the extra gap on the left and right. h> #include <Fonts/FreeMonoBold9pt7b. " Only update the display when the time has changed. Dec 10, 2022 · So I am using thre standard Arduino library as well as gfx to display text in an e ink display, I have used a custom arial font and cannot figure out how to align a text to the right so the start of the text is all on the same exact hori Jan 8, 2013 · The ascii string to measure (as an arduino String() class) x: The current cursor X : y: The current cursor Y : x1: The boundary X coordinate, set by function : y1: The boundary Y coordinate, set by function : w: The boundary width, set by function : h: The boundary height, set by function May 24, 2023 · My first step is to always run the example(s) from the library you are using. Solution: To solve this issue, you must first understand that the bootloader software, also called firmware , isn’t working anymore, meaning you need to replace the corrupted firmware with a new one. setCursor at 0,85 the text displays fine, but I would like to know why it's starting out at a high negative number? For reference, the problem didn't just happen with my custom font, it was happening the same way when I was using one of the provided fonts. I read in some forums that using myGLCD. Feb 5, 2019 · Hello, I would like to be able to add custom fonts for use on this screen: I am using the adafruit_gfx and MCUfriend_kbv libraries. It only happens when I include Aug 21, 2021 · I will continue to post to this thread with the sage of my EDP and GxEDP2 journey. I look at the fonts and I read for example: FreeMonoBold9pt7b From Adafruit GFX using fonts page I read that 7b stands for 7 bytes and 9pt is the size of the text in points. h> #include <Fonts/FreeMonoBold12pt7b. 04 LTS so that I can automate the build and installation process. The input text string is located in the "buf" variable entered in "getTextBounds. But *any* custom font I use, in this above example, the text goes off the edge of the screen to the right, and more often than not the Y position is also off - eg, if I use 0 for Y I only see a 1 or 2 pixel row of the bottom of the font. I and grateful to Jean-Marc Zingg for his amazing work on the GxEDP2 ePaper Library. getTextBounds(string, x, y, &x1, &y1, &w, &h); getTextBounds expects a string, a starting cursor X&Y position (the current cursor position will not be altered), and addresses Of course the solution to my problem presents itself the second I create a post about it; I was using x as the starting point which is the center of the screen, which means long strings go out of screen bounds, which causes it to freak out. There's also solder pads for 5V, GND and IN data, in case you want to power externally. Check I found online that the following worked for Jun 14, 2017 · Hello every body and sorry for my poor english. Why is that? I hope for help! #include <Arduino_MKRIoTCarrier. setCursor(x - size[0] / 2, y - size[1] / 2); tft. Now it is shorter (sat 30 sep 2017) The solution to remove the first letter by adding one at the end is way too jerky. I wanted to update this now, and whenever I upload the following code, nothing works anymore. The unknown character I am guessing is the termination character /0 of the char array. Feb 7, 2022 · @ZinggJM. Jun 22, 2021 · You will also run into a problem if you print "I like cake 100" followed by "I like cake 99" since the string is shorter. Now I would like to know if 9 pt is the height or the width of the character and where I can find the conversion from Aug 7, 2023 · I have just now tested this panel with Arduino UNO, and can confirm that the settings suggested in ZinggJM's earlier post are correct. I know that I can #include <;Fonts/fontName. For example, now I have 6 different text: ONE TWO THREE FOUR FIVE SIX some of them have different number of lettetrs, and I need to put different X,Y coordinates (6 times) to have all text in one position, center. Unlike the Arduino IDE, where you must install libraries on demand, all the thousands of libraries in the Arduino Library Manager index are pre-installed on Arduino Web Editor. cpp (cli commands), signals. 5mm NeoPixel LEDs connected to pin A3 by default. After commenting out the image drawing, I can see the text which makes me believe that it is Apr 14, 2019 · getTextBounds expects a string, a starting cursor X&Y position (the current cursor position will not be altered), and addresses of two signed and two unsigned 16-bit integers. The text should be centered horizontally at a given position (say x0, y0). Dec 9, 2022 · The Adafruit GFX library with Unicode support #Adafruit @Adafruit @josecastillo. print(textBuf); return size; } Credits to this post. zip. May 15, 2020 · It's also not a bug with the Arduino Web Editor. 13; First up I've concluded that the getTextBounds function includes an additional character. Refer to the sketch I've included. New replies are no longer allowed. My goal here is to simply display the temperature read by the TMP on the oLED, so far it works, sorta. I do have a project in mind however at the moment I'm simply trying to understand how to use Jan 18, 2023 · Has anyone got these to work with ESP8266 or ESP32? I have always used waveshare displays in my projects, i got 5 of these to try out, and have not had any luck. Takes a lot for me to put my hand up for help. The width of a character can Jan 8, 2013 · Arduino board: Arduino Leonardo; Arduino IDE version (found in Arduino -> About Arduino menu): 1. Dec 22, 2023 · For an experiment I tried do remap the SPI pins of my ESP32 S2 mini connected to my 2. h Oct 25, 2019 · Hello. h> MKRIoTCarrier carrier; float temperature = 0; float humidity Jan 10, 2019 · Hi I'd like to write a function to center a text on a given space on a display. Using the standard SPI pins MOSI: 11 MISO: 9 SCK: 7 SS: 12 it works perfectly fine. day" to char but it doesn't work. h> MKRIoTCarrier carrier; float temperature = 0; float humidity = 0; unsigned long la May 14, 2015 · Now, when using default fonts, as I mentioned, it works as expected. 9 (Windows 10), Board: "Arduino/Genuino Mega or Mega 2560, ATmega2560 (Mega 2560)" Build options changed, rebuilding all D:\allen\Documents\Arduino\li Nov 29, 2021 · Hello again! I'm using the Adafruit libraries to display text on a 1. To do this, I guess that I need to compute the number of pixels used when printing the text on the display. If I execute getTextBounds where my text is "Hello" the width is 60 but i expect 50. I purchased a Good Display 2. cpp, wifi. h> #include <Fonts/FreeMonoBold18pt7b. Mar 13, 2020 · Use getTextBounds() to determine the smallest rectangle that encloses a string and then erase that area using fillRect() prior to drawing the new text. EPD. 5x1. Bring us your Arduino questions or help answer something you might know! 😉 Jun 16, 2020 · Arduino-based inductance meter using a couple of capacitors and an LM339 comparator. Aug 20, 2023 · Hi! I recently bought a 1. OR Create an offscreen bitmap using GFXcanvas1 for a fixed size area, draw the text in the GFXcanvas1 object and then copy to the screen using drawBitmap(). Jul 29, 2012 · Use getTextBounds() to determine the smallest rectangle encompassing a string, erase the area using fillRect(), then draw new text: Feb 11, 2018 · getTextBounds expects a string, a starting cursor X&Y position (the current cursor position will not be altered), and addresses of two signed and two unsigned 16-bit integers. Done it for you: GitHub - Bodmer/TFT_eSPI: Arduino and PlatformIO IDE compatible TFT library optimised for the Raspberry Pi Pico (RP2040), STM32, ESP8266 and ESP32 that supports different driver chips Feb 25, 2024 · This topic was automatically closed 180 days after the last reply. Its possible to set function like "setCenter" for X,Y coordinates? (One time I set X,Y , then only "setCenter" for X,Y. However there is a little problem that could, or could not be related to this library. 8. 04. Can somebody help me ? While i was using LCDWIKI_KBV i was using; LCDWIKI_KBV mylcd(ILI9486,A3,A2,A1,A0,A4); I want to change my display library with UTFT but i don't know how to do wiring and defining LCD. Secound issue is if you are too close to the edge of the display BUT there is enough space to draw. I have a char array called inputName (declared under "Menu Variables") where some of the elements are longer than others. However if I connect the display to different pins, i get no output on the display. Good Display PN GDEW027W3 + the DESPI-C02 Adapter Board. I read alot about custon SPI pins the last days and understood that you have to establish a new Aug 6, 2018 · Just print a long text to see how many characters you can print on a single line. Apr 16, 2024 · There's plenty you can do with a microcontroller, including useful projects. Mar 31, 2023 · The LEDs should switch on and off with button 00 when you are in the submenu. It should "clear" number before writing the new so it doesn't make a mess. I selected the Arduino Nano 33 IoT for this project and I have been able to compile but I get a strange err… The Arduino bootloader issue is one of the most common problems faced by beginner-level users as well as experienced Arduino hobbyists. I assume that I use the Adafruit_GFX library with custom fonts. The different between getTextBounds and measureText is described with the image below. day", I found an example on how to do it but the examples used a char array. This will be smaller (and faster) than rubbing out the whole line. Nov 11, 2018 · Hi all! I'm looking at the wonderful GxEPD2 library, which uses Adafruit GFX library for the fonts. These last four values will then contain the upper-left corner and the width & height of the area covered by this text — these can then be passed directly as arguments 1 day ago · Hello fellow nerds, I just got a hold of this project book and some parts and it only took 3 projects until life said, uh uh no easy peasy completions for you so now im stuck on the third project, Parallel circut. 5inch Arduino Display-UNO - LCD wiki with UTFT library. tft. h> #include <Adafruit_GFX. setTextColor(0xFF00B0, 0xffffffff); will set a transaprent background for the text, but onfortunately it does not work for me. Using the ESP8266 D1 mini, i followed the wiring example. The patience with which you attend the forum topics is exceptional. 3" OLED. setFont(&fontName);… Nov 2, 2021 · Please follow the advice given in the link below when posting code, in particular the section entitled 'Posting code and common code problems' The Arduino programming language Reference, organized into Functions, Variable and Constant, and Structure keywords. Adafruit GFX Library - Arduino Reference Language Apr 6, 2023 · Saved searches Use saved searches to filter your results more quickly Nov 21, 2019 · Dear Mr. The following is his code, and demonstrates use of the getTextBounds() method for calculating the size of the buffer (and the weird way in which it's able to return multiple parameters to you): Oct 19, 2016 · That is, to get actual width of text that will be set by calling Canvas. Notice this bounds. Mar 24, 2020 · Hi guys, Davids library works like a charm. YES I have searched the web for the last 4 hours and four the day before. The Si7021 sensor is a popular choice for measuring temperature and humidity in DIY projects. Jun 7, 2024 · Hello @ZinggJM and thank you for your time! My "3 color" display, to begin with, was advertised by the vendor as two colors, and learn about it being able to display 3 by using the adafruit library. Here is a sample code, purpose of which is to draw a Button in specified coordinates, with specified text. getTextBounds(Str, x, y, &x1, &y1, &tw, &th); So when your string's width becomes wider than one-half of the screen width, getTextBounds () can no longer fit the string in the remaining space, and you get unexpected results because the string has wrapped down to the next line. Jun 12, 2023 · Is there any way to make the Line Wrap, break at spaces instead of in the middle of a word? I'm using the Adafruit GFX Library. Jan 15, 2017 · then why would getTextBounds() be returning 65535 as the width of the text and 16 as the height? Why not debug the library and find out? The function calculates maxWidth only if there is more than one line of text. 1 day ago · Hello, I want to use arduino-cli on Ubuntu 22. Arduino Nano; LM339 comparator; Ceramic Capacitors (2 x 1uF) Resistors (150 Ohm, 2K Ohm) OLED Display (0. getTextBounds (const String &str, int16_t x, int16_t y, int16_t *x1, int16_t *y1, uint16_t *w, uint16_t *h) function to support my text centering efforts. I also want the DHT22 to only record data every 30 seconds. The e-paper display (2,9" b/w/r) and/or Waveshare e-paper ESP8266 DriverBoard has a problem with partial refresh. 96 inch, I2C, 128X64, SSD1306) The Details. And, your passion towards your work is exemplary. Below the time displayed as HH:MM:SS across the width of the screen (320 pixel), I would like to make a nice horizontal scrolling of the date (saturday 30 september 2017) longer than the screen. Google "Bodmer ESP32 TTGO hardware mod" Ok. Sadly, i managed to do this two weeks ago Jun 23, 2019 · I tried an older test sketch (attached) that I know works from previously, and received the same error: Arduino: 1. I use google translate. Then cut your text in parts of up to this number of characters and print each part at the correct place on the screen (meaning increase the y position by the heigth of one text line). Not sure if this helps but I'll throw in my 2 cents wrt what baseline means tome anyway. On Adafruit Show and Tell Wednesday, Joey Castillo demonstrated a fork of the widely used Adafruit GFX library with Unicode characters. drawText(String text, float x, float y, Paint paint) with the same Paint object from getTextBounds() you should add the left position of Rect. But i couldn't do wiring and always show blank/white screen. Jan 8, 2013 · If I execute getTextBounds where my text is "Hello" the width is 60 but i expect 50. Jean-Marc, At the outset I would like to congratulate you for the outstanding work you have been doing. h> # Oct 20, 2016 · In Arduino code, I'm calling the getTextBounds() and print() API methods on my TFT handler object which accepts char* parameters and I have two integers holding a specific time's hour and minute part, for example: int _hour = 7; int _minute = 30; I need to construct a char* variable that holds this string: 07:30. This is very convenient, but it can also cause some occasional problems. How can I solve this? Thank you in advance for your answer! #include <Arduino_MKRIoTCarrier. But now I've already written some code: Carrier OS - Hackster. I already tried the following code which seems like it should work to me, but the text is not visible. cpp (RR signal code) and sigMap. getTextBounds to set. I have looked at these descriptions for the getTextBounds before your reply. Usually in the world of glyphs (symbols) the 'baseline' is the line that, when different letters that have descenders (lower case y, g, etc) and ascenders (accent marks, umlauts etc) are displayed on the same line the baseline is the bottom of the standard (non-descender) glyphs. Mar 24, 2024 · Hi Using Adafruit GFX library and the getTextBounds, x,y is the cursor position, and x1,y1 returns the upper left position of the text bounding box, so how does these values differ from x and y? From adafruit webpage: tft. getTextBounds. . I use the adafuitgfx function getTextBounts to determine the size of my text, however I am getting erroneous results. What is the simplest way to do An unofficial place for all things Arduino! We all learned this stuff from some kind stranger on the internet. it makes sense to organize code supporting some function into the same file. For this i use a ESP32 DevKit with a 2,7" waveshare BW ePaper HAT. getTextBounds_Issue_example_002. left - this the key of the problem. May God Almighty shower you with his choicest blessings. This is what i build until now: #define ENABLE_GxEPD2_GFX 1 #include <GxEPD2_BW. I want the OLED Display to be normally off and should turn on for 5 seconds when a tactile push button is pressed. However, you are using Bodmer's TFT_HX8357 library. Simplify your life with these great Arduino project ideas! Apr 7, 2017 · "To replace previously-drawn test when using a custom font, use the getTextBounds() function to determine the smallest rectangle encompassing a string, erase the area using fillRect(), then draw new text. I have thoroughly gone through each one of the 21 pages of the Topic 'Good Dispay ePaper for Arduino Nov 6, 2018 · Very large thanks to Adam Bachman for helping me find the answer to this. I wanted to build an OS for MKR IoT Carrier Rev2 using MKR WiFi 1010. Mar 24, 2019 · EPD. i have done everything right, im using the correct resistor, all the connections are exactly where they are supposed to be, the only difference is that i am using flexible coord like 3 days ago · I have 6 Uno R4 wifi devices that have been in service for over 6 months with no significant issues. When I do not include any library, everything is ok. I tried converting the "now. 54inch Waveshare E-Paper Display and got it working with gxepd2. In short, getTextBounds is to get the RECT of the exact text. He does it all for you. I have a function that writes to the OLED called "sendDisplay" (bottom of code) and I have tried to implement some code found HERE using display. I want to minimize the power consumption. io. Onboard is a grid of 25 1. But when I go into the menu, the light is already on. I designed a Background image that covers the whole screen and now I want to write a string on a part of it. setTextSize(5); Apr 26, 2019 · Dear guys, at the moment i try to create a bootscreen for my next arduino project. getTextBounds(textBuf, x, y, &x1, &y1, &size[0], &size[1]); //calc width of new string. You can cut/solder some jumpers to select A1, or A2 instead if you like. i bought an new display (same type) and made the following discovery. The strange thing is, it only Mar 26, 2023 · I have a problem. setFont(&FreeSansBold12pt7b); EPD. 08) #define GxEPD2_DISPLAY_CLASS GxEPD2_3C Jun 17, 2016 · Hello, I have been working on a bigger program, but strange things started to happen once I started using Strings etc. 13 inch Epaper display v4 from Waveshare. cpp (tables defining signals and blocks with no code). Here is my code so far int sensorPin = 0; //the analog pin the TMP36's Vout (sense) pin is connected to #include <SPI. It can measure from just under 1uH and up to full Henrys! Bill of Materials. May 27, 2019 · You can buy ESP32 D1 R32 board And do the hardware mod. I have 2,42" OLED display with Adafruit library. That works too. I am trying to use the. May 3, 2020 · Hello, I am trying to use this TFT LCD with Arduino Mega2560 R3 Clone 3. The text is stored in an array of chars. I am using Arduino Mega #include <Adafruit_GFX. Aug 23, 2022 · Hi I am trying to make a project that uses DHT22 (Temperature & Humidity Sensor) and SSD1306 (OLED Display) with the ATMega328p. h> #include <FastLED. If you rub out and redraw one letter at a time you will notice less flicker. Oct 4, 2021 · tft. 🙂 Sep 4, 2022 · The official GFX way to handle this is with getTextBounds() to determine the area that you want to "rub out". h> #include <Wire. #define GxEPD2_DRIVER_CLASS GxEPD2_213_Z98c // GDEY0213Z98 122x250, SSD1680, (FPC-A002 20. Jan 22, 2024 · "display. for example, i'm working on a program that has i2c. 7" BW display for my initial exposure to ePaper. When I include some Adafruit library I noticed that the second parameter for setTextColor() doesn't work. My question is how to do it properly with the getTextBounds? tft. Look at the getTextBounds() function to figure out how much space your text will be consuming Apr 7, 2023 · don't think putting each function into a separate file.
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