stm32 arduino tft lcd factory

"C:\\Users\\David Prentice\\AppData\\Local\\Arduino15\\packages\\STM32\\tools\\arm-none-eabi-gcc\\6-2017-q2-update/bin/arm-none-eabi-size" -A "C:\\Users\\DAVIDP~1\\AppData\\Local\\Temp\\arduino_build_180119/Font_simple.ino.elf"

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()

This 7 inch TFT LCD display module has super stability. The module uses the driving scheme of CPLD + SDRAM, which far more superior than SSD1963 and RA8875. Solve the problem of bad immunity, death and white screen from SSD1963.

This 7 inch TFT LCD display module has good simplicity. Not need an initializer, what have to do is reset. You can use 5 register command to control it. Greatly thin the code, reducing the debugging difficult and error rate.

This 7 inch TFT LCD display module has good speed. The respond speed of W/R cycle can be up to 200ns. The fastest full screen refresh rate is 13 frames. 8M SDRAM correspond to 8 pages display cache. The display registers and RW one is set independently. Display page and RW page also can be in which data can be written in the background. Just using one command to change screenful display data instantly. Far more superior than RA8875.

STM32 pays more attention to engineering practice. In fact, there are many simple instruments in the factory, such as temperature controllers, ordinary motor controllers, low-end PLCs, and some civilian toys, game controllers, wired keyboards and mice, and other peripherals and so on are very practical.

STM32 is mainly used as products for professional developers, which requires certain professional knowledge, but at the same time, it is relatively complicated to write code to realize functions. For example, the serial port outputs a simple string. For Arduino, it may start from a new project and it can be realized with 10 lines of code. However, if you use STM32 development tools such as Keil, it may require hundreds of lines of code or more.

In terms of open source: things made with STM32 can be open source if you want to open source, and you can not publish anything if you don’t want open source.

If you are an ordinary student below the university level who does not have a deep understanding of programming languages, it is recommended to get started with Arduino. If the C skills are weak and come up with STM32, you will soon have the idea of giving up.

If you have good programming skills, STM32 is recommended. After you get it done, you can take a look at the things made by the Arduino open-source community, and you can easily get it done with STM32.

Of course, if you have the ability, you can make contact with both. Generally, you can master the basic features of Arduino in less than a week. If you need it in the future, you can freely transplant the Arduino code to MCU platforms such as STM32.

In fact, the two are actually aimed at slightly different directions. Arduino is the choice of general electronics hobbyists and DIY, while STM32 is often used for the development and manufacturing of actual products.

This guide is about DWIN HMI Touch Screen TFT LCD Display. HMI Means Human-Machine Interface. DWIN is specialized in making HMI Touch screen displays that are compatible with all microcontrollers like Arduino, STM32, PIC, and 8051 families of Microcontrollers.

This is a Getting Started tutorial with 7-inch DWIN HMI TFT LCD Display. We will see the architecture, features, board design, components, and specifications. We will also learn about the TTL & RS232 interfaces. Using the DGUS software you can create UI and with SD Card you can load the firmware on display memory.

On the LCD board, you can see the flip-open connector. Just flip open the connector and insert the FCC cable. Keep in mind that the blue ends should be on top. Now you can just press the lock so the FCC cable is locked.

One of the method to load the firmware to the T5L DWIN LCD Display is by using the SD Card. An SD Card of up to 16GB can be used to download the firmware files. We can easily insert the Micro SD card into the SD Card slot on the backside.

After copying the file, remove the SD Card from your computer and insert it into the SD Card slot of DWIN LCD Display. Then power the display using the USB Cable. The firmware downloading process will start automatically.

The next part of this tutorial includes creating UI and interfacing DWIN LCD Display with Arduino. For that you can follow the DWIN LCD Arduino Interfacing Guide.