stm32f103 tft lcd library quotation

JoaoLopes’s library supports ILI9341, and this one probably is an ILI9341. I checked the SPFD5408 datasheet, and Joao’s library definitely isn’t for SPFD5408. I wonder why he named it so.

Joao Lopes’s library above uses a modified version of the Adafruit TFT library for the hardware layer. The Adafruit TFT library was originally for controlling ILIxxxx series of IC, but this guy modified it for the 8 bit interface of SPFD508.

Now, I’ve seen working code examples for STM32 for the ILIxxxx on Andy’s Workshop blog http://andybrown.me.uk/2012/01/01/stm32 … ft-driver/. So I’m tracking where Joao changed the Adafruit library to try and figure out how to modify an STM32 driver for this TFT.

Okay, I did a git diff on the SPFD5408 library and the Adafruit TFTLCD (for ILI9325 in 8 bit mode) library. Only one thing has been changed, and that is the readID function (it reads a register to identify the chip) which isn’t a big change at all. So I think an STM32 8 bit interface library for ILI9325 should work for the SPFD5408 as well. I’ll look for one or modify andy’s workshop code.

martinayotte wrote:I have an 3.5″ LCD from MCUFriend which looks almost the same as the one above, and I used some parallel 8bits code which use ILI9327 commands.

And also developed a touch screen lib which has some nice features (repeated touch, double touch), check the tftpaint.ino example of the touch library for details.

Theoretically they should give 2500mAh, I will be satisfied if I get 1500mAh out of them, this would mean 12h of 120mA (current consumption of TFT+blue pill).

If you post the defines that you have used in LCD_ID_readreg, I will know your wiring scheme and that it works! I can post a SPECIAL for you. And you can test it. The MapleMini is supported by both Roger’s MapleCore and the Core from ST.

I would get familiar with the basic TFT and GFX methods first. The existing TouchScreen libraries all have issues with Due, Zero, STM32, Teensy, … generally due to pinMode() and digitalWrite() “optimisations”.

I have a tft lcd shield. when I run it use arduino uno, it show me that identifier is ili9325 and works well but when I run it use STM32 blue pill, and this library:

I have run STM32F103 on IteadMaple, Nucleo-F103, and two BluePills. One of the BluePills has its data bus on PA0-PA7. And the Write Cycle is as short as the STM32F103 can possibly make it.

I did it. Pins PA11 PA12 PA15 PB3 PB4 didn’t toggle. I have 2 boards and I test both of them but these pins had problem in both. how can I fix it or change pins in the library????

it do not show until you READ ID of screen. Use LCD_ID_readreg.ino Paste your LCD_ID_readreg.ino example and make photo of your connection to blue pill.

The MCUFRIEND_kbv library is designed for 8-bit Shields. I know that LCD_RD is plugged into Analog #0 pin. Hence my list of #defines in the Readreg sketch.

The MCUFRIEND_kbv library is designed for 8-bit Shields. I know that LCD_RD is plugged into Analog #0 pin. Hence my list of #defines in the Readreg sketch.

It make sense to feed the display with 5V because the regulator on blue pill is not strong enough to deliver the necessary current for the background light of the LCD.

3. Some controller chips can operate in more than one mode eg spi/8bit/16bit or external/internal framebuffer. The lcd module you buy will usually be hardwired to operate in a particular mode with no ability to change it. Make sure you get not only the controller you want but also that controller configured in the way you want to use it. Often the choice of the lcd module is what drives all the other decisions.

The above discussion is of course very generic. Knowing more about what you are trying to achieve and what your budget is, or a list of lcd modules you are thinking of, could help us give more specific advice.

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I am working on STM32F103ZT6 and with SSD1963. I have connected 480X272 and 320X240 LCD’s. I am initializing SSD1963 with the Init Commands on same pins as you use, but in GPIO mode & not in FSMC mode. The Clock Freq from Crystal is 8MHz and in STM32 acitvating PLL is made to 72MHz. So, Clk Freq for SSD1963 is 8MHz. Hope we should configure the PLL in SSD1963. So below is my Initialisation Sequence details.

Since it’s inception the Arduino IDE has demonstrated the desire to support all kind of platforms, from Arduino clones and variations of different manufacturers to third party boards like the ESP32 and ESp8266. As more people get familiar with the IDE, they are beginning to support more boards that are not based on ATMEL chips and for today’s tutorial we will look on one of such boards. We will examine how to program the STM32 based, STM32F103C8T6 development board with the Arduino IDE.

The STM32 board to be used for this tutorial is none other than the STM32F103C8T6 chip based STM32F1 development board commonly referred to as “Blue Pill” in line with the blue color of its PCB. Blue Pill is powered by the powerful 32-bit STM32F103C8T6 ARM processor, clocked at 72MHz. The board operates on 3.3v logic levels but its GPIO pins have been tested to be 5v tolerant. While it does not come with WiFi or Bluetooth like the ESP32 and Arduino variants, it offers 20KB of RAM and 64KB of flash memory which makes it adequate for large projects. It also possesses 37 GPIO pins, 10 of which can be used for Analog sensors since they have ADC enabled, along with others which are enabled for SPI, I2C, CAN, UART, and DMA. For a board which costs around $3, you will agree with me that these are impressive specs. A summarized version of these specifications compared with that of an Arduino Uno is shown in the image below.

Based on the specs above, the frequency at which Blue pill operates is about 4.5 times higher than an Arduino UNO, for today’s tutorial, as an example on how to use the STM32F1 board, we will connect it to a 1.44″ TFT display and program it to calculate the “Pi” constant. We will note how long it took the board to obtain the value an compare it with the time it takes an Arduino Uno to perform the same task.

As mentioned earlier, we will connect the STM32F1 board to the1.8″ ST7735 based colored TFT Display along with a push button. The push button will be used to instruct the board to start the calculation.

With this done, we create an object of the ST7735 library which will be used to reference the display all through the entire project. We also indicate the pin of the STM32 to which the pushbutton is connected and create a variable to hold its state.

I refer to the TFT, there are some that have a chip dedicated to pixel management, it is generally incorporated into the PCB in addition to the screen"s controller chip itself. The advantage is that you can implement complex graphical environments, which take the burden off the MCU.

Other examples are: TFT SmartGPU 2, which implement the graphics controller with a STM32F103 chip, or the 4DSystems Diablo or Picasso graphics chip, Nextion TFT, Stone TFT, etc. They are not cheap TFTs, and I have not seen at the moment any with the resolution you are looking for.

Text: Cortex-M3 core-based STM32F103ZGT6 microcontroller. The range of hardware features on the , your specific application. Table 1. Device summary Reference Order code

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The NHDev is an evaluation board for evaluating or prototyping Newhaven Display"s Character & Graphic OLEDs, TFT, COG, Graphic & Character LCD displays.

The NHDev is a development board for evaluating or prototyping Newhaven Display’s OLED, TFT, COG, Graphic, and Character LCD displays. This development board is based on the STM32F103 CortexM3 microcontroller. The device has been preprogrammed to support most of Newhaven’s display modules. The board includes a SD Card with preloaded images and text files for the supported displays and can be reloaded or edited using a PC to evaluate the supported displays using custom designed images or text.

The NXP LPC55S69-EVK is a versatile board. In this article I show how it can be used with Adafruit TFT LCD boards, both with resistive and capacitive touch. For the software I’m using the open source LittlevGL GUI.

Both the capacitive and resistive Adafruit LCD boards are using the popular ILI9341 display controller. On the resistive version, the STMPE610 (SPI) touch controller is used. On the capacitive version the FT6206 (I2C) is present.

The Adafruit ILI9341 based touch displays are a great and easy way to extend a board like the NXP LPC55S69 with a state-of-the art open source GUI library. The project presented here supports both the capacitive and resistive touch displays from Adafruit.

The STM32 F1-series was the first group of STM32 microcontrollers based on the ARM Cortex-M3 core and considered their mainstream ARM microcontrollers. The F1-series has evolved over time by increasing CPU speed, size of internal memory, variety of peripherals. There are five F1 lines: Connectivity (STM32F105/107), Performance (STM32F103), USB Access (STM32F102), Access (STM32F101), Value (STM32F100). The summary for this series is:

Common peripherals included in all IC packages are USB 2.0 FS, two SPI, two I²C, three USART, eight 16-bit timers, two watchdog timers, temperature sensor, 16 to 24 channels into one ADC, two DACs, 37 to 83 GPIOs, seven DMA, real-time clock (RTC), cyclic redundancy check (CRC) engine. The STM32FL152 line adds a LCD controller.

capacitive touch sense and 32-bit random number generator (only L0x2 and L0x3 chips), LCD controller (only L0x3 chips), 128-bit AES engine (only L06x chips).

This board includes an integrated ST-LINK/V2 debugger via Mini-B USB connector, 8 MB SDRAM (IS42S16400J), 2.4-inch 320x200 TFT LCD color display (SF-TC240T), touchscreen controller (STMPE811), gyroscope (L3GD20), 2 user LEDs, user button, reset button, Full-Speed USB OTG to second Micro-AB USB connector, and two 32x2 male pin headers.

This board includes an integrated ST-LINK/V2 debugger via Mini-B USB connector, 24-segment LCD, touch sensors, 2 user LEDs, user button, reset button, and two 28x1 male pin headers.

This board includes an integrated ST-LINK/V2 debugger via Mini-B USB connector, 24-segment LCD, touch sensors, 2 user LEDs, user button, reset button, and two 28x1 male pin headers.

MicroEJ provides extended features to create, simulate, test and deploy Java applications in embedded systems. Support for Graphical User Interface (GUI) development includes a widget library, design tools including storyboarding, and tools for customizing fonts.STM32F205VGT6J.

A prototyping environment for a variety of STM32 variants, which allows users to create their applications using an application programming interface (API) to implement device peripherals and a range of evaluation features on the EvoPrimer base including TFT color touchscreen, graphical user interface, joy stick, codec-based audio, SD card, IrDA and standard peripherals such as USB, USART, SPI, I2C, CAN, etc.

STMicroelectronics has additional documents, such as: evaluation board user manuals, application notes, getting started guides, software library documents, errata, and more. See External Links section for links to official STM32 and ARM documents.