Ili9341 driver download

Ili9341 driver download

Ili9341 driver download. Being able to do asynchronous graphics ops means you can be sending data to the display in the background while you're computing your next frame in the foreground. 3 update info check it out. The ILI9341 LCD controller driver is a platform-agnostic driver, based on the generic MIPI driver. Jan 18, 2021 · Driver IC ILI9341 Resolution 320*240 (Pixel) Module Interface 8-bit parallel interface Active Area 48. Download the latest drivers, software, firmware, and diagnostics for your HP products from the official HP Support website. In case of flush_cb: if running in hybrid mode, the callback is set to the C implementation of flush (esp. Download. 8 inch display (240×320 px) comes with the ILI9341 driver. These displays can be used with the Adafruit_ILI9341 library or Optimized ILI9341 library (included with Teensyduino install). 72(W)X48. Releases Sep 27, 2023 · 'LCD Driver IC ILI9341 Data sheet; Touch Screen Driver IC FT6336U Data sheet; Touch Screen Driver IC FT6336U Register Table; Program Download. Contains: main driver for initialization and basic functions "ILI9341_STM32_Driver" GFX driver for advanced functionality (fonts, pictures) Touchscreen driver ILI9341 a-Si TFT LCD Single Chip Driver 240RGBx320 Resolution and 262K color Specification Version: V1. cpp files to allow a different driver to be passed in. This TFT display is big (2. Download and contribute to the LCD-show project on GitHub. Downloads. Library for Adafruit ILI9341 displays Author: Adafruit. c, you will nd two functions, write8_a0() and write8_a1(), which we will use to write commands and data to the TFT. Optimized ILI9341 SPI driver for Teensy 4/4. ILI9341 DMA driver library for STM32 HAL. This library is a native implementation of a graphics chip for small TFT screens, the ILI9341. 5” and accepts SPI input, there is a very good chance that it is driven by an ILI9341. Click here for details. Allows simple drawing on the display without installing a kernel module. 8" breakout in userspace SPI - that means you don't need a kernel! This library uses an SPI connection and a couple GPIO pins to control the display, leaving many other pins free for your project's needs. 8" and 1. 3V~5V Logic IO port voltage 3. 1/Micromod. More Adafruit_ILI9341 (SPIClass *spiClass, int8_t dc, int8_t cs=-1, int8_t rst=-1) Library for Adafruit ILI9341 displays. I took an existing Arduino l Nov 16, 2016 · How to draw on a ILI9341 TFT display with CircuitPython! First, make sure you are running the latest version of Adafruit CircuitPython for your board. Sep 3, 2023 · This module is a 2. Set up the SPI DMA to speak to the ILI9341 2. 21KB 403 lines. Fbcp-ili9341 was built on top of the Raspberry Pi's VideoCore DispmanX API. gz; Algorithm Hash digest; SHA256: cfa16cc021ef0c74d1691f51b52a7968a6803485c02eee8b9293808b0dd74d8b Adafruit ILI9341. 0) A fast driver for displays with ILI9341 controller to be used with an ESP32. This driver is a work in progress. Foundational¶ These libraries provide critical functionality to many of the drivers below. I used my old ILI9341 library and just add/modify some things to get LTDC to work. 11 KiB: Adafruit_ILI9341-1. 8" Touch Shield V2 ILI9341 https: //www May 25, 2019 · The first library is a driver for the ILI9341 TFT display, its full name (with extension) is ILI9341. It uses 8-bit parallel port communication, and the driver IC is ILI9341. 8cm Driver element: a-Si TFT active matrix Pixel arrangement: RGB vertical stripe Driver IC: ILI9341 Backlight: White LED Viewing Direction: 6 o'clock Color Depth: 262K/65K Resolution (dots): 240RGB*320Dots 5V compatible, use with 3. In this tutorial we are going to learn how to write text to a ILI9341 display using the ESP32 and the Arduino core. Setup70b_ESP32_S3_ILI9341. . It is suitable for Arduino Uno and Mega2560 development boards, and also supports SD card expansion function. May 4, 2021 · Load JPEGs. It is based heavily on the Adafruit_ILI9341 library and is designed to work with the Adafruit_GFX library. You can write text, draw shapes, and display images. , of the same driver version number). To download. Receive the latest software, drivers, manual and utilities. c 1. Smooth fonts can now be rendered direct to the TFT with very little flicker for quickly changing values. Apr 30, 2014 · On STM32F429 Discovery board there is LCD with ILI9341 controller. 2inch IPS SPI Module C51 Demo Instructions; 3. Notice the SPI connection is created with a maximum speed of Micropython Driver for ILI9341 display This has been tested on an M5Stack module using the standard esp32 micropython port. Version 1. Filename Release Date File Size; Adafruit_ILI9341-1. The ESP32 can transfer 64Bytes at once to the SPI bus instead of sending byte for byte. Now if the fbcp-ili9341 process is killed e. These drivers use a built-in copy of I2C Manager to talk to the I2C port, but you can also use the I2C Manager component itself and have others play nice with LVGL and vice-versa. CircuitPython display driver for ILI9341. Make sure you don't exceed the chip's clock rate. Contribute to adafruit/Adafruit_CircuitPython_ILI9341 development by creating an account on GitHub. 0. This case is simply a pointer assignmnet. 8" or 3. For information about the ILI9341 driver software support please go to the library description. Note that the ILI9341 is actually the LCD driver (you can check the datasheet here) but, for simplicity, we will refer to the display using this name. Nov 20, 2017 · Updated fbcp-ili9341 today to clear the screen when it is quitting, and turn the backlight off as well if backlight control is enabled. The era of fbcp-ili9341 has come to an end. pdf Jul 7, 2017 · The existing driver copes with outputting to an MCU interface (it calls it parallel) but the ILI3941 driver assumes SPI. The touchscreen also uses the SPI communication protocol. This driver takes usage of that. 8" Color TFT Touch display! Today we are going to learn Mar 27, 2023 · Driver IC ILI9341 Touch Screen Type Resistive Touch Screen Controller XPT2046 Colors 65536 Backlight Driver download; download:LCD-show. COG RGB color display controller for use in small embedded systems with on-chip frame buffer and TFT screen driver. Read the documentation. It’s a color display that uses SPI interface protocol and requires 4 or 5 control pins, it’s low cost and easy to use. 0(mm) Operating Temperature -20℃~60℃ Storage Temperature -30℃~70℃ VCC power voltage 3. However, this API has been deprecated by the Raspberry Pi Foundation for a while now, and finally obsolete (=unavailable) on Raspberry Pi 5 and onwards. 2inch IPS SPI Module CH32 Demo Instructions; 3. 3 with Arduino UNO and Adafruit ILI3941: Jan 8, 2013 · Instantiate Adafruit ILI9341 driver with hardware SPI using the default SPI peripheral. 8 inch with ILI9341 driver, you can follow this getting started guide. h in /board directory, to link the ILI9341 and EC11 to lvgl with the functions : lv_port_disp_init & lv_port_indev_init. To allow other display drivers, modify the lines in the . This struct describes the display driver. h libraries which are important for controlling the 2. 4″ TFT LCD touch screen using ILI9341 drivers. Setup70d_ILI9488_S3_Parallel. 5. This display is a great option to build graphical user interfaces (GUI) for your IoT projects. Jan 8, 2013 · This is the documentation for Adafruit's ILI9341 driver for the Arduino platform. 6(mm) Module PCB Size 50. Contribute to yuujiin/STM32_ILI9341_DMA_Driver development by creating an account on GitHub. ILI9341 a-Si TFT LCD Single Chip Driver 240RGBx320 Resolution and 262K color Specification Version: V1. 10. The following advanced features are available: Jun 3, 2024 · This Arduino tutorial shows how to interface the Uno board with ILI9341 TFT display. with "sudo pkill fbcp-ili9341", it will turn off the display before going away. write8_a0() sends an 8-bit ILI9341 a-Si TFT LCD Single Chip Driver 240RGBx320 Resolution and 262K color Specification Version: V1. On the web, there are many examples of drivers for the ILI9341. inch TFT LCD that also comes with a touchscreen. Aug 8, 2024 · Driver IC ILI9341 Resolution 320*240 (Pixel) Module Interface Driver IC ILI9341 Data sheet; Program Download. You can use the example below to test the display. tar. 11 a-Si TFT LCD Single Chip Driver Please click here if you are not redirected within a few seconds. Arduino-compatible fork of Sermus's non-Arduino port of modified Adafruit Arduino library for ILI9341-based TFT displays. 4" diagonal with a bright (4 white-LED) backlight and it's colorful! 240x320 pixels with individual RGB pixel control, this has way more resolution than a black and white 128x64 display. In order to drive an ILI9341 display with their Raspberry Pi Pico, Redditor JermMX5 had to develop their own library. 1 branch: Usage: import lvgl as lv import lvesp32 # Import ILI9341 driver and initialized it from ili9341 import ili9341 disp = ili9341() # Import XPT2046 driver and initalize it from xpt2046 import xpt2046 touch = xpt2046() By default, both ILI9341 and XPT2046 are initialized on the same SPI bus . pdf ILI TECHNOLOGY CORP. This article also introduces an optimized graphics driver for the popular ILI9341 display running on an ESP32 with the ESP-IDF. This is achieved by a line-by-line and block-by-block update of the glyph area without drawing pixels twice. In case you haven't realised, I've been playing with a ILI9341 screen for a microcontroller project. For ILI9341 HSPI is used, Jun 18, 2024 · Library for Adafruit ILI9341 displays. c, download link is the one below: Graphics library for CCS C compiler Aug 8, 2013 · Hello, I am wonder how to use LCD diplay with ILI9341 driver on Arduino (Uno, Mega). disp. - abhra0897/stm32f1_ili9341_parallel ILI9341 is a 262,144-color single-chip SOC driver for a-TFT liqui d crystal display with resolution of 240RGBx320 dots, com prising a 720- channel source driver, a 320- channel gate driver, 172, 800 Driver for SSD1306, SSD1331, SSD1351, IL9163, ILI9341, ST7735, PCD8544, Nokia 5110 displays running on Arduino/ESP32/Linux (Rasperry) platforms - lexus2k/ssd1306 I have shown how to download and use these resources in a video at the end of this tutorial. Check that the Adafruit_ILI9341 folder contains Adafruit_ILI9341. - adafruit/Adafruit_Python_ILI9341 Adafruit Sponsored Libraries and Drivers on GitHub¶ These are libraries and drivers available in separate GitHub repos. Next, you'll need to install the necessary libraries to use the hardware--carefully follow the steps to find and install these libraries from Adafruit's CircuitPython library bundle. Download from GitHub; Download Library Bundle; CircuitPython Reference Documentation; CircuitPython Support Forum; Discord Chat; Display driver for ILI9341. The chip is found in many popular displays, including 320x240 and 480x320 pixel versions, and is capable of driving 16-bit (RGB-565) as well as 18-bit (RGB-666) modes. Note the driver must use the Adafruit_GFX libraries. Here is an eBay example of such LCD diplay (2. ILI9341 device type. Compatibility. Dec 29, 2021 · The ILI9341 is the driver chip used inside the LCD panel I’m using. h, LCDWIKI_SPI. If your TFT LCD is somewhere between 2”-3. C library for Ili9341 LCD driver. 2. While this library was created for Adafruit_ILI9341 drivers, the library can be adapted to other display drivers. This project comes with an ILI9341 display driver and an XPT2046 resistive touchpad driver. It has also a possibility of different way of connection, like serial, parallel, with VSYNC and HYSNC. Software. e. Contribute to adafruit/Adafruit_ILI9341 development by creating an account on GitHub. Images download; Mar 18, 2014 · Add some jazz & pizazz to your project with a color touchscreen LCD. As a bonus, this display has a resistive touchscreen attached to it already, so you can detect finger presses In proteus 8. As a bonus, this display has a resistive touchscreen attached to it already, so you can detect finger presses anywhere An Arduino IDE compatible graphics and fonts library for AVR processors with a driver for the ILI9341 based TFT displays. Download full project with driver - 3 MB. The default font is the Adafruit glcdfont and additional fonts can be generated by a very slightly modified version of Peter Hinch's font-to-py program which includes a function in font file to return the pixel width of a Find technical support for your Lenovo Products - driver updates, troubleshooting, warranty, repair, system updates, how-to articles, FAQs on Lenovo Support. Jul 6, 2017 · Product Description: 100% brand new and high quality Type: touch panel Size:2. The display driver implements two callbacks: flush_cb and monitor_cb. : ILI9341_DS_V1. Maintainer: Adafruit. It offers the same ISV certification, long life-cycle support, regular security updates, and access to the same functionality as prior Quadro ODE drivers and corresponding Studio Drivers (i. Maintainer: Paul Stoffregen. The ILI9341 supports TFT screens with a size up to 240 x 320 pixels (WxH) On-chip TFT driver with voltage generator Mar 19, 2024 · If you have a standalone TFT Touchscreen Display 2. Configtools: 0. Mar 19, 2014 · Adafruit Industries, Unique & fun DIY electronics and kits 2. Back. displayio driver for ILI9341 and ILI9340 TFT-LCD displays. 2" diagonal) bright (4 white-LED backlight) and colorful! 240x320 pixels with individual RGB pixel control, this has way more resolution than a black and white 128x64 display. With LTDC, you can actually display movies, because it uses parallel communication and support 2 layers simultaneously what gives you a high refresh rate. 11. This TFT display is 2. 0) Raspberry Pi 3 Model B+ with Raspbian Stretch (GCC 6. pdf May 27, 2015 · Add some jazz & pizazz to your project with a color touchscreen LCD. Set up the Pin interrupts and callbacks to process the EC11 Nov 2, 2019 · I’ve tested and published a reference XPT2046 + ILI9341 drivers for Micropython ESP32 on dev-6. The intent of this library is to provide a really simple way to get ILI9341 projects started without complex methods. /* Example animated analogue meters using a ILI9341 TFT LCD screen Needs Font 2 (also Font 4 if using large scale label) Make sure all the display driver and pin comnenctions are correct by editting the User_Setup. The ILI9341 TFT module contains a display controller with the same name: ILI9341. begin() The first line create an instance of the ILI9341 class and pass in the appropriate pins and SPI configuration. MODIFY_REG(lcd->spi_hal->Instance->CR1, SPI Aug 5, 2019 · Here, the display driver instantiates and fills disp_drv_t struct. This can be done from the command line. 3. This driver depends on: Adafruit CircuitPython. 4 inch SPI Module Package; Reference Materials. The driver provides pixel-level control and two fonts. ILI9341_T4. Introduction¶. 8. Offer valid August 1, 2024 at 12:00 AM EST through August 31, 2024 at 11:59 PM EST. Mar 19, 2021 · At some point, I needed to move from Arduino UNO to MEGA for a project including pictures sounds and some kepads, the problem was there is no library or good explanation about how to connect all the functions of this inexpensive LCD to a MEGA Sep 24, 2018 · However, we're interested in a bit smaller display for our product and I'm finding a lot of displays with LCD controllers like the ILI9341 and ST7735R. New ILI9341 driver and my graphics for the ESP-IDF (not using Arduino framework) I've created a graphics library and demo showing fully asynchronous SPI interfacing to the ILI9341. h and . More display drivers will come in the future. 5 x 4. It will provide an interface fully compatible to Adafruits ILI9341 and GFX library. Display. The ILI9xxx display platform allows you to use ILI9341 (datasheet, Aliexpress) and other displays from the same chip family with ESPHome. g. SpiDev(SPI_PORT, SPI_DEVICE, max_speed_hz=64000000)) # Initialize display. It is in official 8. Find your Product. h file in the TFT_eSPI library folder. It implements display initialization, supports display rotation and implements the display flush callback. 8" SPI Serial Display area:36. This library works with the Adafruit 2. For now we will use SPI Jul 31, 2022 · Hello everyone, I'm trying to write a driver for the ILI9341 display (8 bit parallel mode, not SPI) using the ST HAL. Jul 30, 2014 · This guide will show you how to wire up, install, and use a Python library to control ILI9341-based displays like the 2. 8 inch display (240×320 px) that comes with the ILI9341 driver. c & . Here is the command to build ESP32 + LVGL which is compatible with ILI9341 driver: Aug 29, 2024 · This 320x240 color TFT display is recommended for use with Teensy 3. Introducing the ESP32 Cheap Yellow Display – CYD (ESP32-2432S028R) The ESP32-2432S028R development board has become known in the maker community as the “ Cheap Yellow Display ” or CYD for short. Jul 12, 2019 · Driver IC ILI9341 Resolution 320*240 (Pixel) Module Interface 4-wire SPI interface Active Area (AA area) 43. Download GFX library only - 1. ILI9341(DC, rst=RST, spi=SPI. 1, for high resolution color graphics. zip: 2024-06-18: 44. 0x86. See full list on github. 11 Document No. Dependencies¶. New 1. a-Si TFT LCD Single Chip Driver 240RGBx320 Resolution and 262K color. They are designed for use with CircuitPython and may or may not work with MicroPython. 2inch IPS SPI Module ESP32 Demo This is a fast display driver for interfacing ILI9341 LCD display with STM32F1 microcontroller over an 8bit parallel (8080-II/I) bus. 10 Document No. Contribute to Matiasus/ILI9341 development by creating an account on GitHub. 8 TFT LCD with Touchscreen Breakout Board w/MicroSD Socket [ILI9341] : ID 1770 - Add some jazz &; pizazz to your project with a color touchscreen LCD. 1inch HDMI Aug 29, 2019 · This tutorial shows how to interface ESP8266 NodeMCU (ESP-12E) board with ILI9341 TFT display. MIT/Apache. There are a couple drivers for these in the staging->fbtft section of the kernel but it appears those all use the SPI interface. ILI9341. Optimized ILI9341 (320x240 Color TFT) Display Author: Limor Fried, Adafruit, Paul Stoffregen. Optimized ILI9341 screen driver library for Teensy 4/4. 2x57. Mainly made for my personal usage. 2 TFT SPI 240*320): May 6, 2024 · Hashes for adafruit_circuitpython_ili9341-1. c, download link is the one below: Graphics library for mikroC compiler. Usage¶ This component is the successor of the ILI9341 component supporting more display driver chips from the ILI and related families. cpp and Adafruit_ILI9341. Welcome to another Arduino video tutorial! In this video, we are going to take a first look at this 2. Obviously I have double checked my wiring. Jan 31, 2021 · Introduction. zip: 2023 Library for Adafruit ILI9341 displays. The ILI9341 is a very popular display driver that you’ll find in many smaller TFT LCD screens. ILI9341 is a 262,144-color single-chip SOC driver for a-TFT liquid crystal display with resolution of 240RGBx320 dots, comprising a 720-channel source driver, a 320-channel gate driver, 172,800 bytes GRAM for graphic display data of 240RGBx320 dots, and power supply circuit. after the download of the 2 ILI9341_t3. 1 Sending Commands/Data If you navigate to the le tft. Jun 24, 2014 · It’s been a while when I first got ILI9341 lcd working on discovery, but without LTDC driver. STM32F429 has also LTDC driver for LCD like that, but this driver we will use later. A platform agnostic driver to interface with the ILI9341 (and ILI9340C) TFT LCD display. 1, with vsync and differential updates. 91" Color OLEDs Now Available! Support Center May 30, 2024 · The display we’re using in this guide is the 2. There are a number of different ILI93xx driver chips depending on your LCD panel resolution but they all use the same basic set of commands. ili9341_flush). This library implements a SPI driver for the ILI9341 screen controller providing the ability to display memory framebuffers onto the screen very efficiently. Basic SPI and GPIO inputs/Outputs are enough to use the library. fbcp driver for SPI based displays for Raspberry Pis via fbcp-ili9341 - balena-labs-projects/fbcp Raspberry Pi HDMI Display 5 inch HDMI Display-B Downloads Tutorials 7 inch HDMI Display-C Downloads Tutorials 7inch HDMI Display-H Downloads Tutorials 10. Mar 3, 2021 · The driver from forum members Cluso99, Greg LaPolla, and Mike Roberts make it very easy to draw lines, blocks, circles, graphs, and text of any color, and an analog clock face on an ILI9341 (or similar) LCD, with selective area updates. Jun 3, 2024 · disp = TFT. More Adafruit_ILI9341 (SPIClass *spiClass, int8_t dc, int8_t cs=-1, int8_t rst=-1) The NVIDIA RTX Enterprise Production Branch driver is a rebrand of the Quadro Optimal Driver for Enterprise (ODE). Releases The driver has been checked to work (at least some point in the past) on the following systems: Raspberry Pi 4 Model B with Raspbian Stretch (GCC 8. ili9341. h and LCDWIKI_TOUCH. 3. 72(mm) Step 1: Download the test program; Support one-click download program; DIYmall 2. Download the Ilitek ILI9341 Datasheet. You may be wondering: why use this instead of mainline Adafruit_ILI9341? Easy answer: @Sermus's hardware HSPI code runs like greased lightning on ESP8266. MicroPython ILI9341Display & XPT2046 Touch Screen Driver - GitHub - rdagger/micropython-ili9341: MicroPython ILI9341Display & XPT2046 Touch Screen Driver So in the routine that reads touch coordinates (ili9341_touch_pressed_t ili9341_touch_coordinate(ili9341_t *,uint16_t *,uint16_t *) in ILI9341/ili9341. This library is compatible with all architectures so you should be able to use it on all the Arduino boards. c, download link is below: ILI9341 TFT display library for CCS C compiler. click the DOWNLOADS button in the top right corner, rename the uncompressed folder Adafruit_ILI9341. com Mar 21, 2024 · In this guide, you’ll learn how to get started with the TFT LCD Touchscreen Display with the ESP32 board. Apr 25, 2024 · In this project, you’ll build a simple graphical user interface (GUI) with the ESP32 and a TFT Touchscreen with 2. c), make sure to adjust the lines that modify the SPI clock so that your baud rate is less than 2MHz before communicating with the touchscreen (e. In this installment, we work with an evolving GFX library which can now load JPEG images. c, download link is below: ILI9341 TFT display library for mikroC compiler. Setup70_ESP32_S2_ILI9341. gz. The library only works with Teensy 4/4. This TFT Touchscreen with 2. Connect LPC PINS to WaveShare TFT, refer to littlevgl_support. The display communicates via SPI communication protocol and uses the ILI9341 driver. 4-inch TFT LCD module with “320X240” resolution and 65K color display. The second library is graphics library, its full name is GFX_Library. We suggest using Chrome or Edge browser to download BIOS, Drivers, etc. I couldn't get the libraries I found online working, I imagine for the same reason I can't get mine to work. I have made some heavy modifications, as the typical Adafruit TFT libraries are designed to work with 16bit color (RGB565), and the ILI9488 can only do 24bit (RGB888) color in 4 wire SPI mode. 3 Firmware 3. From the above link you can get LCDWIKI_GUI. Setup70c_ESP32_C3_ILI9341. This library provides an highly optimized SPI driver for the ILI9341 screen controller. Nov 8, 2019 · The first library is a driver for the ILI9341 TFT display, its full name (with extension) is ILI9341. Drivers : littlevgl_support. Releases Adafruit ILI9341. 2inch IPS SPI Module MSP3222_MSP3223 Package; Reference Materials. 96(H)mm Size:8. I'm not familiar with the fbtft driver though so can't be much help there. 8'' ESP32 Module ESP32-2432S028R WIFI+BT Dual-core 240X320 Smart Display Screen LCD TFT Module ILI9341 Driver for Feb 13, 2024 · 205 downloads per month Used in 5 crates. Please ensure all dependencies are available on the CircuitPython filesystem. It has 240 x 320 pixels resolution and 16bit or 18bit color depth, what gives you 65536 or 262144 different colors. Steps to make proteus LCD shield simulation working in proteus 8. 3 the ILI9341 tft works only in SPI mode. 96*36. Jan 8, 2013 · Instantiate Adafruit ILI9341 driver with hardware SPI using the default SPI peripheral. 3V(TTL) Power Consumption TBD Rough Weight(Package containing) Python library to control an ILI9341 TFT LCD display. LTDC also supports Learn how to install the LCD driver for Raspberry Pi with different TFT LCD sizes. The main elements of a display driver are (in this case), 1) an SPI driver to write to the chip and display memory at the lowest level. Both devices are communicating via SPI. As this is a somewhat Download the ILI9341 a-Si TFT LCD single chip driver 240RGBx320 resolution and 262K color datasheet from the link below. 1/micromod. Mar 6, 2023 · BSP drivers are perhaps not inclusive of all drivers. 6. May 4, 2021 · Description. When using IL9341 driver, the color depth need to be set to match ILI9341. 3V or 5V logic Need at Free Standard Shipping & Handling on Camera & Lens Products. Yesterday I decided to make a new library. h. 1. 2 to Teensy 4. It implements asynchronous uploads via DMA, VSync monitoring to prevent screen tearing and differential updates to speed up transfers. 8 MB. The library contains proportional fonts, different sizes can be enabled/disabled at compile time to optimise the use of FLASH memory. uhzqb xdfpj zyng qzkknsq wxatnsz rrtl cabt fuzjj qmdiy exalvtt