gfx_demo
esp-mqtt
| gfx_demo | esp-mqtt | |
|---|---|---|
| 40 | 3 | |
| 71 | 605 | |
| - | 1.0% | |
| 0.0 | 7.0 | |
| over 2 years ago | 21 days ago | |
| C | C | |
| GNU General Public License v3.0 or later | Apache License 2.0 |
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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.
esp-mqtt
- MQTT
- Strange debug message
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Does ESP MQTT support V5
It's open source, so you can inspect the source code, which indicates that it does.
What are some alternatives?
nf-interpreter - :gear: nanoFramework Interpreter, CLR, HAL, PAL and reference target boards
nuki_hub - Use an ESP32 as a Hub between a NUKI Lock and your smarthome.
at24cx - C library for AT24CX EEPROM I2C interface. Sample implementations for esp32 (esp-idf) and raspberry pi pico (PICO-SDK) included
SuperGreenOS - 🧠SuperGreenOS home farming automation software for esp32, all in one package, and controllable from your smartphone, pc, mac, linux, toaster, plumbus, whatnot...
lv_port_esp32 - LVGL ported to ESP32 including various display and touchpad drivers
ESP_IDF_A02YYUW - ESP-IDF Driver for A02YYUW ultrasonic distance sensor
gfx - GFX is a device independent graphics library primarily intended for IoT MCUs but not limited to that.
Farm-Data-Relay-System - A system that uses ESP-NOW, LoRa, and other protocols to transport sensor data in remote areas without relying on WiFi.
JETGPIO - C library to manage the GPIO header of the Nvidia Jetson boards
idf-extra-components - Additional components for ESP-IDF, maintained by Espressif
DFRobot_GDL - DFRobot_GDL is a comprehensive display interactive framework that combines display, touch, and UI.
ESPresense - An ESP32 based node for gathering indoor positioning and transmitting to mqtt