Adafruit gfx scrolling text. Adafruit GFX Library. I can't for the LIFE OF ME get this working. For my Interactive Design final, I am building a thermometer on an LED matrix using the 16 x 32 matrix I bought from adafruit as well as the temp sensors. Jan 20, 2014 · Code: Select all #include <Adafruit_GFX. h> #include <Adafruit_SH110X. Tips for writing text using these libraries. Presently it scrolls the complete chunk of text. You'll see each digit light up all the segments, then the display will scroll through the 'font table' showing every character that it knows how to display. I changed to u8glib to Adafruit_SSD1306 with no problem. Here’s some functions that will help you handle the OLED display library to write text or draw simple graphics. height() which updates automatically as the screen is rotated. text_scale – The factor to scale the default size of the text by. scrolling_label ¶ Displays text into a fixed-width label that scrolls leftward if the full_text is large enough to need it. Assembly. Adafruit_GFX is a library providing a set of graphics functions such as lines, circles and text…all of our LCD and OLED displays use this. When text is written to the bottom of the screen and scrolling is enabled, the screen will scroll up one line to make room for the next text line. 5x1. Value is modified by this function to advance to next character. We’ll focus on just the NeoMatrix particulars from here on… Mar 9, 2021 · The Adafruit_CircuitPython_Display_Text library allows you to easily add text to your displayio based CircuitPython projects. Jul 29, 2012 · This is a quick tutorial for our 128x64 and 128x32 pixel monochrome OLED displays. Not sure why this is. Jul 29, 2012 · By default, long lines of text are set to automatically “wrap” back to the leftmost column. 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. it/Xe7). I'm running into the same problem where a text-wrap just truncates longer sentences. There are four pins in this display. If the H is 6 vertical lines wide, and 3 lines are on matrix0, 3 should be ob matrix1. I will paste the example code direct from adafruit below, but I'd like to to only scroll through whatever text I put once. has May 28, 2013 · the example sketch for the 8x8 LED matrix contains this code for a scrolling text: Adafruit_LEDBackpack. The workhorse item is the Label, which is essentially a Group containing all the characters of the text. h" Adafruit_8x8matrix matrix Jun 16, 2017 · The Adafruit_GFX can only print in transparent mode. Needed a way to display scrolling text or messages? This Flexible 32×8 RGB LED Matrix display may suit your needs! With 256 LEDs on it, you can display text, patterns or even animation if you want to. //Libraries #include <Adafruit_GFX. h> #include <DS1307RTC. startscrollleft() – Scroll pages from right to left. Apr 23, 2018 · I'm working on building an addressable LED strip based Display(37x8), which will display the Time and scroll some text. 8 inch TFT and using information from the adafruit-gfx-graphics-library. May 4, 2016 · Upload to your Arduino, and open up the Serial console at 9600 baud speed. You switched accounts on another tab or window. cpp and Adafruit_GFX. This has the side effect that the variable seems to strobe/flash when you look at it. So once it's created, you use it like you would a Group. Any help or guidance is heartily welcome. Universally usable SSD1309 driver with support for Adafruit GFX fonts. As I am shifting the text by one letter for each step it does not appear as a smooth marquee scrolling flow. This library builds upon the existing CircuitPython Animated LED and framebuf libraries to give you the power of both combined. Nov 21, 2023 · UPDATE_DELAY = 80 # Seconds between updates SCROLL_DURATION = 10 # Seconds to scroll entire message RANDOMIZE_FONTS = True # Randomize fonts, make "False" to just use the default font RANDOMIZE_COLORS = True # Randomise colors, make "False" to just use the default color KEEP_LATEST_MESSAGE = True # Keep the last message in the Message Feed Jul 29, 2012 · You can also rotate your drawing. Aug 10, 2022 · I tried setting up the Adafruit NeoMatrix library and there example code to desplay a Scrolling Text but it just wiggles weirdly arround, whenever I put my delay(to display the text faster) lower it is possible to see whats actually written. I think this works, I just whipped it togather, I usually just whip together scrolling code for different displays, I need to make an actual library function or class to reuse to take in env info, speed, scroll behaviors loop, multiple directions, start from offscreen (pad left), start from 0, and auto determine the sizes. If I want to scroll " Raspberry Pi with oled using adafruit" -- horizontally in single line, It is scrolling only " Raspberry Pi " to and fro. Mar 22, 2020 · The text which is displayed is "Instructables" but as you can see in the video, it is kinda hard to read because it looks like the text ist scrolling also up and down 1 pixel during the left/right scrolling. startscrollright() – Scroll pages from left to right. Label Placement There are a few different ways to place your text with display_text labels. Mar 10, 2018 · However, when I want the pattern to stop and then display some scrolling text not all of the text is displayed and then it is right back to the pattern, then more of the text will show. virtual void writePixel (int16_t x, int16_t y, uint16_t color) Oct 28, 2020 · Build an internet-connected RGB LED ticker to display the latest data on the Adafruit Learning System. If i want to display a variable on the same screen position, i see the values overwriting each other, so to display them properly I write a background coloured rectangle over the display spot between updates. The Adafruit OLED library provides useful methods to easily scroll text. Once you upload the code, you'll see the matrix light up in a rainbow pattern! This demo does a simple example showing how to set the color of each pixel using ledmatrix. In fact this is done on purpose sometimes, as with scrolling text displays. This can be really handy if you had to turn your board or display sideways or upside down to fit in a particular enclosure. So besides this library, you need to download and install [Adafruit_GFX][gfx-download], *dated Jul 5th, 2013 or more recent*. h> #include <Adafruit_NeoPixel. If you have no prior experience with displayio, you should check out the Displayio Basics Guide first to learn the basic concepts. Slow with the dithered font but decent performance with a 3×5 font. py MIT 3 4 import board 5 import terminalio 6 from adafruit_display_text. It needs to be paired with a hardware-specific library for each display device we carry (to handle the lower-level functions). 8 inch TFT touch shield. Jan 8, 2013 · c: The ASCII character in question : x: Pointer to x location of character. Mar 17, 2018 · I found this wonderful topic and it works great but when I change it to my own Font tft. Mar 8, 2024 · Custom quotes and colors you decide will feed this scrolling LED matrix display, just like your own, personal Times Square ticker! Using CircuitPython, a WiFi enabled microcontroller, and Adafruit IO, this is simple to set-up, easy to update, and lots of fun! Jul 29, 2012 · Each filename starts with the face name (“FreeMono”, “FreeSerif”, etc. // You can use any (4 or) 5 pins #define SCLK_PIN 11 #define MOSI_PIN 12 #define DC_PIN 10 #define CS_PIN 8 #define RST_PIN 9 // Color definitions #define BLACK 0x0000 #define BLUE 0x001F #define ARDUBLUE 0x00CC #define RED 0xF800 #define GREEN 0x07E0 #define CYAN Apr 13, 2016 · Hi there! I'm very new to arduino as well as to LED Matrix. You signed out in another tab or window. The normal wrapping behavior is restored with setTextWrap(true). However, I'm using it on a PIC24EP512GP806 and got some library for my CCS compiler somewhere and the code is not commented so some things aren't super clear. blogspot. We'll also import the openweather_graphics class to take care of the graphics, text display, scrolling and more. h> #include <dht. Restart the Arduino IDE to load Mar 9, 2021 · The adafruit_display_text library currently has two different types of label functions in it. If you don’t have prior experience, the key concepts of Adafruit_GFX are explained in another guide. But I need strings to appended as scrolling. Apr 26, 2015 · 🕒 3 min read. Jun 14, 2024 · The Adafruit_GFX library for Arduino provides a common syntax and set of graphics functions for all of our LCD and OLED displays and LED matrices. 8" TFT display with the adafruit libraries. Jul 20, 2012 · Overview The Adafruit_GFX library for Arduino provides a common syntax and set of graphics functions for all of our LCD and OLED displays. Imprinted as VCC, GND, SCL, and SDA respectively. 3 days ago · The Adafruit 5x5 NeoPixel Grid BFF can attach to the back of a QT Py or Xiao board. What we will use. Author(s): Tim Cocks Jul 4, 2023 · Scrolling Text. Adafruit’s SSD1306 library has a set of libraries to scroll text on the display. Jul 29, 2012 · Overwriting Text with the Built-In Font. This project can easily be adapted to a REST API of your choice to scroll data of your choice. I modified the demo program to be able to print text but am unable to figure out how to get text to scroll. Sep 22, 2020 · You can use the Pixel Framebuf library to easily add text and graphics to an array or grid of NeoPixels or DotStars. This allows Arduino sketches to easily be adapted between display types with minimal fuss…and any new features, performance improvements and bug fixes will immediately apply across our complete offering of color displays. drawPixel (x, y, color565) - where x and y are the 0-12 and 0-8 indexed location indicator, and color565 is the 16-bit packed color. Jan 22, 2014 · Code: Select all // Screen dimensions #define SCREEN_WIDTH 128 #define SCREEN_HEIGHT 128 // Change this to 96 for 1. Feb 14, 2021 · For my newby project I am using a TFT display (Adafruit GFX and ST7735 libraries) with some lines of static text and one line with marquee text scrolling from right to left, see code below. Arduino Uno. println() new lines of text are added to the bottom of the screen following the previous line automatically. Oct 2, 2018 · In a previous example we used Neopixel libraries and had a couple of code examples. pdf. See the example here (https:// adafru. I figure I'm going to have to create my own 'scroll' code for a line of text by manually walking through an array (like for 8 char LCD code). As I attempt to increment the numbers they overwrite each other and eventually obscure the entire number. ), font size in points (currently 9, 12, 18 and 24 point sizes are provided) and “7b” to indicate that these contain 7-bit characters (ASCII codes “ ” through “~”); 8-bit fonts (supporting symbols and/or international characters) are not yet No I think the +8 is correct. startscrollright(0x00, 0x0F): scroll text from left to right ; startscrollleft(0x00, 0x0F): scroll text from right to left; startscrolldiagright(0x00, 0x07): scroll text from left bottom corner to right upper corner Oct 25, 2019 · Hello. examples/display_text_scrolling_label. Any Idea Have a good one. May 16, 2023 · Looking for help with scrolling text on a SH1106G 128X64 display. It's designed for the FeatherWing M4 Express, but you can adapt it to other boards by changing the lines that create the RGBMatrix object. Because the display makes its own light, no backlight is required. h I only find horitzontal and diagonal scrolling. To review, open the file in an editor that reveals hidden Unicode characters. There's also solder pads for 5V, GND and IN data, in case you want to power externally. More virtual void startWrite (void) Start a display-writing routine, overwrite in subclasses. Apr 20, 2020 · This example creates two lines of scrolling text on a 64x32 matrix using CircuitPython Display Text. Apr 23, 2023 · 4. To draw shapes on the OLED display, we’ll use the Adafruit GFX Library. com Product – WS2812 LED 5050 RGB… Dec 8, 2016 · But I am unable to scroll text horizontally which is lengthier than screen size. h> // MATRIX DECLARATION: // Parameter 1 = width of NeoPixel matrix // Parameter 2 = height of matrix // Parameter 3 = pin number (most are valid) // Parameter 4 = matrix layout flags, add together as needed: // NEO_MATRIX_TOP, NEO_MATRIX_BOTTOM, NEO_MATRIX_LEFT, NEO_MATRIX_RIGHT: // Position Dec 20, 2014 · I am trying to display successive numbers in text on an Adafruit tft touch screen display. The next few lines spell out the pin numbers being used. Multiple text labels with the scrolling set to True will be cycled through. Its possible to set function like "setCenter" for X,Y coordinates? (One time I set X,Y , then only "setCenter" for X,Y. This Jun 8, 2016 · scrolling-text-neofruit-matrix. I have pasted some of my code below. Otherwise, to download, click the DOWNLOAD ZIP button, uncompress and rename the uncompressed folder Adafruit_GFX. This allows Arduino Apr 25, 2014 · To get vertical scrolling working correctly in rotation 1 or 3 change the value 320 to 240 in function SendVerticalScrollDefinition(), when you rotate the screen width and height change values, you can get the correct value by using . This allows Arduino sketches to easily be adapted Feb 20, 2017 · Drawing to the entire screen is a lot of bits and it takes a long time. What I want is to display the complete text on the screen. Nov 12, 2016 · How to scroll a long text on an 128x64 OLED display am using Adafruit_SSD1306 driver This code only displays "This" because the text is too large to fit on the display, but when i scroll the text only "This" is scrolling not the rest of the text With my changes to Adafruit-GFX-library, Adafruit_SSD1306 now supports scrolling text. However, it won't compile due to errors in the print statement. These displays are small, only about 1" diameter, but very readable due to the high contrast of an OLED display. h> #define SCREEN_WIDTH 128 Jul 8, 2021 · Arduino OLED Scrolling Text. Now we look at a couple of different libraries, the example built in scrolls text on the screen AliExpress. I would like to text to scroll three times then go back to the pattern or on to something else. Note that this will not rotate what you already drew, but it will change the coordinate system for any new drawing. 5mm NeoPixel LEDs connected to pin A3 by default. VIDEO to Problem: -> 8x32 Mat Recommended Reading: Monochrome 0. 8" TFT Shield Resistive v2. Apr 7, 2020 · To draw shapes on the OLED display using MicroPython we’ll use the Adafruit_GFX MicroPython Library. For color-capable displays, colors are represented as unsigned 16-bit values. h> #include <Adafruit_NeoMatrix. Place the Adafruit_GFX library folder your /Libraries/ folder. ESP32 Matrix p4 64x32 RGB Scrolling Text ClockYou can find the schema & code on project page, below is the link:https://arduino-projects-free. Jan 12, 2022 · What has all the features of a Feather main board, the comforting warmth of an ESP32-S2 WiFi microcontroller, and the crispness of a 240x135 pixel color TFT display? The Adafruit ESP32-S2 TFT Feather! With Arduino or CircuitPython, you can display your IoT in full color! Dec 10, 2015 · At the moment, as I print new text to the OLED display using display. I'm a student at the University of West Florida. Jun 3, 2024 · Adafruit GFX Once you get pixels drawing, you can use Adafruit GFX to draw lines, rectangles, circles, text, etc. I am ready with the hardware and without Bluetooth it works well but if i add Bluetooth functions, it doesn't work. scrolling – If true, text is placed offscreen and the scroll() function is used to scroll text on a pixel-by-pixel basis. Apr 30, 2019 · Basic Text with Built in Font. Sep 27, 2017 · Note that for single-digits or single-char print()'s you wont get scrolling text. It uses an ESP32 WROOM and an 8x32 WS2812b Matrix. Contribute to adafruit/Adafruit_CircuitPython_Display_Text development by creating an account on GitHub. This guide goes over those label functions and the differences between them. The text is sent via a bluetooth phone app to the ESP32 and is displayed instantly, scrolling to the left. import SampleBase from rgbmatrix import text_transform – A function that will be called on the text before display. 96” OLED Display SSD1306 OLED Pinout. h" #include "Adafruit_GFX. May 20, 2015 · Not sure if you got vertical scrolling working but I just got my module p/n 2088 yesterday and it's pretty cool but I also cannot get the vertical scrolling to work. This allows Arduino Hi there! I'm very new to arduino as well as to LED Matrix. adafruit_display_text. 27" OLED. Jan 2, 2013 · Code: Select all /* Demonstrates vertical scroll For use with Adafruit 2. Feb 17, 2019 · Good Morning, I've been trying to create a function to scroll the text vertically in a OLED but reading the library Adafruit_SSD1306. 0 */ #include <Adafruit_GFX. Aug 30, 2013 · Adafruit_GFX Primer. h> // Core graphics library #include Hi, I am currently working on a spiralled display and have a simple program that allows for texts to be displayed off a spiral LED matrix (5m long). Nov 23, 2019 · For my thesis project I'm creating a stock exchange led board (or something like that), and I'm having some problems with the char variable: with the large amount of text that I need, the generation of pixel is very slow, and so the scroll it take a a whole life to end. Mar 1, 2016 · I am working on programming the adafruit 64x32 RGB LED Matrix to have scrolling text. 3-5V. The issue is the character is not splitting across the 2 matrices. Nov 21, 2023 · Set up a smart phone with our Adafruit IO+ service, and send text messages that magically scroll across your matrix in bright colors. GifDecoder: Play Animated GIFs; GKScroll: Arduino library for scrolling long lines of text on an LCD screen. I want to scroll the text vertically, like a terminal window. All of these settings are available for both Label and BitmapLabel. This is the core graphics library for all our displays, providing a common set of graphics primitives (points, lines, circles, etc. You can cut/solder some jumpers to select A1, or A2 instead if you like. Maybe also caused by noise? The last and most frustrating problem so far is, that I don't want the text to scroll. You do want to May 14, 2015 · The next step is to install the Adafruit libraries that will help us program the LEDs. I could render the FreeFonts in my library. Jun 3, 2024 · BitmapLabel on top to produce fancy text graphics. After installing the libraries, restart your Arduino IDE. Adafruit GFX API - Library can be built with AdafruitGFX, simplified GFX or without a GFX API at all ESP32 variants supported Original ESP32 - That being the ESP-WROOM-32 module with ESP32‑D0WDQ6 chip from ~2017. Mar 17, 2021 · I have a quick question: how do you rotate text on a tft display with adafruit gfx? does anyone know? anon57585045 March 17, 2021, 6:27pm 2. Jun 21, 2012 · Giving this question a bump. So, you need to upload the library to your ESP32/ESP8266 board. Guys please help me on this since I need this compulsory. Oct 31, 2022 · This is my latest 'Work In Progress' project. I have the code I am currently using attached. Mar 18, 2017 · Text is normally drawn “clear” — the open parts of each character show the original background contents, but if you want the text to block out what’s underneath, a background color can be specified as an optional second parameter to setTextColor(). This first method relies on the fact that the standard built-in font has uniformly-sized characters; it’s sometimes referred to as the “5 by 7” pixel font (though really 6x8 pixels to allow at least 1 pixel between adjacent characters, and for descenders on some lowercase characters like “g” or “p”). Scrolling text display This example gives a scrolling text display on a four-character alphanumeric display, and demonstrates the use of the character functions introduced in uLisp 1. startscrolldiagright() – Scroll pages from the left bottom corner to the upper right corner. Jul 29, 2012 · The Adafruit_GFX library for Arduino provides a common syntax and set of graphics functions for all of our LCD and OLED displays and LED matrices. 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. Please help me figure out the problem. Is there a way of clearing the prior text before I write an new number? Jun 14, 2019 · Just trying a simple example of text using a 1. For bitmaps, the screen is 5x5 but to make the math easier on everyone, you can store bitmaps in 8-bit-wide structures and just ignore the left-most 3 bits in each 8-bit word: This is the core graphics library for all our displays, providing a common set of graphics primitives (points, lines, circles, etc. GFX_Root: Root class extract of Adafruit GFX graphics core library; GFX_Thaana: Add Dhivehi fonts to any Adafruit GFX based graphics library. h> // MATRIX DECLARATION: // Parameter 1 = width of NeoPixel matrix // Parameter 2 = height of matrix // Parameter 3 = pin number (most are valid) // Parameter 4 = matrix layout flags, add together as needed: // NEO_MATRIX_TOP, NEO_MATRIX_BOTTOM, NEO_MATRIX_LEFT, NEO_MATRIX_RIGHT: // Position Jul 29, 2012 · The library will safely “clip” any graphics drawn off the edges of the screen. x, y coordinates The label can be placed using x, y coordinates. I've been stuck for days. y: Pointer to y location of character. When you specify BOTH foreground & background colors in setTextColor(color,color) the s-ware is smart enough to blank out the -tiny- bit of screen behind the text you are drawing. scrolling_label import ScrollingLabel 7 8 9 text Dec 10, 2012 · How would I change the scrolling speed of the different scroll text functions? I noticed the datasheet for the display itself contains information about this but it wasn't quite clear. What we are going to do: demonstrate text scrolling with an Arduino and an Adafruit 2. To put it another way, the cursor position automatically moves so that text is not overwritten. Jun 17, 2020 · I need help scrolling 2 lines text on 32x64 adafruit led matrix with adafruit hat on raspberry pi preferably with python. setFont (&Comic12pt); it does not delete the old Text-line anymore. This library isn’t part of the standard MicroPython library by default. Update your sign from anywhere, or give the control to your employees or family members, since there’s no coding or computer needed to update your sign. Reload to refresh your session. Jan 8, 2013 · Public Member Functions inherited from Adafruit_GFX Adafruit_GFX (int16_t w, int16_t h) Instatiate a GFX context for graphics! Can only be done by a superclass. - CedricHirschi/ssd1309 May 5, 2021 · Well, tried anyway, at least on conceptual level (character scrolling, not pixel) Basic concept: determine text lentgh, print out the text (whatever fits on the screen), clip off the first letter and repeat until clipped to zero with a delay of 333ms between each print. I have a big chunk of text (example in the code below) to be set to scroll vertically. I have 2,42" OLED display with Adafruit library. In practice, you seldom want to scroll text. The VCC and GND pins will power the OLED display and will be connected with the ESP board’s power supply pins as they require a driving voltage of 3. Sep 22, 2021 · After opening the demo file, upload to your Arduino wired up to the matrix. Using the Adafruit Matrix Portal and CircuitPython, you'll build a display which can fetch and display the latest guides from the Adafruit Learning System's API. Confirm that the Adafruit_GFX folder contains Adafruit_GFX. h. #include <Adafruit_GFX. ) followed by the style (“Bold”, “Oblique”, none, etc. Nov 16, 2014 · I have a Monochrome 0. Click the following links to download each library: Adafruit_GFX; Adafruit_NeoPixel; Adafruit_NeoMatrix; Unzip each library, remove the “-master” from the name of the folder and move them to the Arduino libraries folder. com/20 Oct 21, 2021 · Scrolling text via framebuffer on Adafruit LED Glasses and #CircuitPython @MarkKomus Work in progress on a #circuitpython framebuffer for the @adafruit LED glasses. To override this behavior (so text will run off the right side of the display — useful for scrolling marquee effects), use setTextWrap(false). 96" 128x64 OLED graphic display and am using the Adafruit_SSD1306 and Adafruit_GFX libraries on an Arduino Uno. Jun 22, 2021 · I am trying to set the text to scroll vertically. I wanted to know if there was any parameter or function for this already built into the Adafruit_SSD1306 or Adafruit_GFX libraries. txt This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. The Adafruit_GFX library for Arduino provides a common syntax and set of graphics functions for all of our LED, TFT, LCD and OLED displays. Im using a 1. Jun 28, 2018 · This is a plugin for Adafruit's core graphics library GFX, providing basic graphics primitives (points, lines, circles, characters, etc. Scrolling Text. It is a great little display and superb value for money. startscrollright(0x00, 0x0F): scroll text from left to right ; startscrollleft(0x00, 0x0F): scroll text from right to left; startscrolldiagright(0x00, 0x07): scroll text from left bottom corner to right upper corner You signed in with another tab or window. Jun 14, 2017 · 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. Recent Arduino IDE releases include the Library Manager for easy installation. but what is happening is matrix1 is not displaying anything until the entire character is supposed to be on matrix1. Each OLED display is made of 128x64 or 128x32 individual white OLEDs, each one is turned on or off by the controller chip. Yes, consult the library Aug 28, 2013 · This more of a generic question really. h> #include <SoftwareSerial Jul 2, 2011 · Hello. h> #include <TimeLib. Some ideas are scrolling negative Library to display text using displayio. Using variables for this isn’t entirely necessary…one could just pass the same numeric values directly to functions…but it makes the code a little more self-documenting (and easier to adapt the same sketch for multiple boards — the full example code has #ifdefs for each board with different pin . Sep 9, 2020 · The adafruit_matrixportal library will be used both for Network queries and for controlling the Matrix display. May 13, 2020 · Setting Up Matrix Pin Usage. This Sep 5, 2014 · The Adafruit_GFX library for Arduino provides a common syntax and set of graphics functions for all of our TFT, LCD and OLED displays. Adafruit 2. ). Onboard is a grid of 25 1. 9: The display shows a message scrolling slowly to the left, and the message can be as long as you like, subject to the amount of memory available on the processor We will create 3 examples, with the primary one we are going to justify the fundamental rule of the MAX7219, within the second example we are going to see however the scrolling text on the 8×32 light-emitting diode Matrix works, and within the third example, we are going to manage them via Bluetooth and a custom build robot application. mfjqhpmksrnyvzydibjpvoiubkbajwhxtvroycylkkwszedennbxwo