gfx_demo
gfx_libraries
gfx_demo | gfx_libraries | |
---|---|---|
40 | 7 | |
70 | 5 | |
- | - | |
0.0 | 0.0 | |
almost 2 years ago | almost 2 years ago | |
C | C | |
GNU General Public License v3.0 or later | MIT License |
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gfx_demo
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GFX Library Roundup (See comments for links)
GFX Library Documentation: https://www.codeproject.com/Articles/5302085/GFX-Forever-The-Complete-Guide-to-GFX-for-IoT
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Waveshare 1.54inch (b) V2 3-color e-paper w/ GFX (see comments)
GFX is a feature rich graphics library that does jpg loading, truetype fonts, alpha blending, etc.
- GUI Design on the fly
- Latest GFX driver library roundup
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This is a shot in the dark - color dithering on the ESP32
starting at line 573 here: https://github.com/codewitch-honey-crisis/gfx_demo/blob/master/lib/gfx/include/gfx_palette.hpp
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ESP32 multi display with SD card
basically draw to a bitmap and then blt that to the display. you can do the latter asynchronously, so you can load, then display, and while displaying, load the next one. it won't help immensely, but it will speed things up slightly. In GFX you'd use draw::bitmap_async. There's full documentation linked to from the link I gave you above - look in "Properly doing asynchronous draws" https://www.codeproject.com/Articles/5302085/GFX-Forever-The-Complete-Guide-to-GFX-for-IoT
- GFX is now available as a PlatformIO library
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ESP-IDF and SPI overhead - why I've focused on targeting Arduino
I queue a variable number of transactions, either polling or non depending on context, using this code I wrote: https://github.com/codewitch-honey-crisis/gfx_demo/blob/master/src/esp-idf/drivers/common/spi_master.hpp
- I just got my waveshare 5.65 inch 7-color e-paper working with GFX!
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Dual core really faster? ESP32 versus ESP32!
In case the OP doesn't respond, I'll field your question as best as I can: You can do the rendering using a bitmap flipping algorithm along with DMA. I also know it's possible to keep the framebuffer for that display in ram, with memory left over to do bitmap flipping because I do that very thing in https://github.com/codewitch-honey-crisis/gfx_demo - that device is a Lilygo-TTGO and I have several. The above code can run on it.
gfx_libraries
- I could really use some help reproducing a build error under Arduino with the ESP32
- GFX Version 1.1.8 released. Important fixes and performance improvements
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New GFX release: 1.1.1
Using it from PlatformIO: https://www.codeproject.com/Articles/5327404/Using-GFX-in-PlatformIO
- lilygo t5 esphome
- New GFX Version 1.0.9 - important service release (see comments)
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GFX Library Roundup (See comments for links)
Project in op: https://github.com/codewitch-honey-crisis/gfx_libraries
- Latest GFX driver library roundup
What are some alternatives?
nf-interpreter - :gear: nanoFramework Interpreter, CLR, HAL, PAL and reference target boards
lv_port_esp32 - LVGL ported to ESP32 including various display and touchpad drivers
TFT_eSPI - Arduino and PlatformIO IDE compatible TFT library optimised for the Raspberry Pi Pico (RP2040), STM32, ESP8266 and ESP32 that supports different driver chips
JETGPIO - C library to manage the GPIO header of the Nvidia Jetson boards
gfx - GFX is a device independent graphics library primarily intended for IoT MCUs but not limited to that.
esp-idf-lib - Component library for ESP32-xx and ESP8266
esp-at - AT application for ESP32/ESP32-C2/ESP32-C3/ESP32-C6/ESP8266
at24cx - C library for AT24CX EEPROM I2C interface. Sample implementations for esp32 (esp-idf) and raspberry pi pico (PICO-SDK) included
DFRobot_GDL - DFRobot_GDL is a comprehensive display interactive framework that combines display, touch, and UI.
esp-mqtt - ESP32 mqtt component
esp8266-oled-ssd1306 - Driver for the SSD1306 and SH1106 based 128x64, 128x32, 64x48 pixel OLED display running on ESP8266/ESP32
arduino-esp32 - Arduino core for the ESP32