tft display for stm32f4 brands

A1: We have the integrated system for industrial parts quality control. We have IQC (incoming quality control), IPQCS (in process quality control section), FQC (final quality control) and OQC (out-going quality control) to control each process of industrial parts prodution.

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The resulting output will depend on the previous state of the output data register. - For the LOW data pins, the corresponding GPIO port bits in BSRR[31:16] need to be set to 1 in order to update all the 8-bit data bus lines at once.

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This library is a professional graphical stack library to build Graphical User Interfaces (GUIs) with any STM32, any LCD/TFT display and any LCD/TFT controller, taking advantage of STM32 hardware accelerations whenever possible.

The STemWin Library is a comprehensive solution that comes with a rich feature set, such as JPG, GIF and PNG decoding, many widgets (checkboxes, buttons…) and a VNC server enabling the remote display of local displays, as well as professional development tools, such as GUIBuilder to create GUIs with a simple drag and drop.

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Form Color Deep Blue Brand N/A Model N/A Quantity 1 DX.PCM.Model.AttributeModel.Unit Material PCB + electronic components English Manual / Spec No Download Link http://pan.baidu.com/s/1c0Ip59e Packing List 1 x 3.2" LCD...

The LCD I am using is a 2.8″ TFT LCD with SPI communication. I also have another 16-bit Parallel TFT LCD but it will be another story for another time. For this post, let’s focus on how to display what you want on the 2.8″ LCD. You can find all details about this LCD from this page:http://www.lcdwiki.com/2.8inch_SPI_Module_ILI9341_SKU:MSP2807

First thing first, this LCD use SPI as the main communication protocol with your MCU. For STM32 users, HAL Library has already implemented this protocol which makes this project easier for us. But, a little knowledge about this protocol does not hurt anyone. SPI is short for Serial Peripheral Interface which, aside from two data lines, also has a clock line and select lines to choose between devices you want to communicate with.

This LCD uses ILI9341 as a single-chip SOC driver for a display with a resolution of 240×320. More details can be found in the official document of ILI9341. But the most important thing is that we have to establish astart sequencein order for this LCD to work. The “start sequence” includes many other sequences which are also defined in the datasheet. Each sequence starts when you send a command to ILI9341 and then some parameters to follow up. This sequence is applied for all communication between MCU and ILI9341.

For this project, I recommend using theSystem Workbench for STM32for coding and building the code. After installing and open the program, go to the source code you have just downloaded and double click the.cprojectfile. It will automatically be open in your IDE. Then build the program by right click on the folder you just open (TFTLCD) and chooseBuild Project. Wait for it to finish and upload it to the board by right clicking the folder, choose Run As and then clickAc6 STM32C/C++ Application. And that’s it for running the example.

The most important library for this project is obviously the ILI9341_Driver. This driver is built from the provided source code in the lcdwiki.com page. I only choose the part that we need to use the most in many applications like writing string, displaying image and drawing symbols. Another library from the wiki page is the TOUCH library. Most of the libraries I got from the Internet were not working properly due to some adjustments to the original one.

To draw symbols or even display images, we need a “byte array” of that image or symbol. As an illustration, to display an image from a game called Transistor, I have a “byte array” of that image stored in a file named transistor.h. You can find this file in the link below. Then, I draw each pixel from the image to the LCD by adding the code in the Display_Picture() function in the Display folder.void Display_Picture()

The above example is just only for displaying black and white image. In order to show a color image, we need to a little bit different. First, go tothis websiteto generate the array of the colour image. Remember to change your size to 320×240 and choose the 65K color option. Because it now takes up two bytes for one pixel, we need to send two bytes at once. You can check the Display_Color_Picture() function in the Display folder.void Display_Color_Picture()

As for the TOUCH feature, the way it works is that the screen will return the ADC value of the x or y coordinate of where you touch on the screen. The code I provided is a short version of the source code from the manufacturer and you can consider it as an extremely simple version of a touch screen feature. Because of that, the response time is very great. But for a simple application that doesn’t require drawing with your stylus, I think this works just fine. You just need to press on the screen long enough until it changes to a different layout.

We have many years of production and sales experience, we have accumulated rich strength in the 15.6 Inch VGA TFT Display, 15.6 Inch LCD Screen, 10.1 Inch LCD Display field. Since introduced the part overseas vanguard technology and the craft and formed the powerful technical support system, it has poured into the vigor for our development. We are strict with every part of our work.

This LCD panel has a built-in EK9716BB3+EK73002 controller, a 40pin 24-bit RGB Interface, can support All View full viewing angle with IPS technology. It is composed with 10 LEDs connected 2 in parallel and 1 in serial l, with backlight voltage 16.5V/current 20mA and 16:9 aspect ratio. Optional with 4 wire resistive touch panel (RTP) and projected capacitive touch screen (PCAP.). Sharing controller board same hardware with 5” TFT LCD 800x480 resolution and 7” 800x480 resolution.

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