gfx_demo
esp-at
gfx_demo | esp-at | |
---|---|---|
40 | 9 | |
70 | 792 | |
- | 1.8% | |
0.0 | 8.9 | |
almost 2 years ago | 14 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-at
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Need help for ESP8266 Esp-01 Serial Wireless Wifi Transceiver Module
You can get newer versions from Here.
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JTAG disabled in AT firmware?
The code is here, instructions for how to build etc. found there too https://github.com/espressif/esp-at
- New Wemos 5pk * Is it possible to use as wifi adapter somehow for my Rasp. PI 2011.12 ? *
- ESP32 Communication with STM32
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Compiling the esp-at firmware for the ESP-01 module: reboot loop
which yields this file: https://github.com/espressif/esp-at/suites/4835178710/artifacts/136818103
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WiFi module - ESP8266 (ESP-01) stopped working when trying to create SSL connection (in AT+CIPSTART command)
https://github.com/espressif/esp-at - AT firmware for ESPs, worth reading through
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Using ESP32 dev board but controlling externally?
You still have to program the esp32 but espressif has an at command firmware for the esp devices. You can find it at https://github.com/espressif/esp-at
What are some alternatives?
nf-interpreter - :gear: nanoFramework Interpreter, CLR, HAL, PAL and reference target boards
tuya-iotos-embeded-sdk-wifi-ble-bk7231n - Tuya IoTOS Embeded SDK WiFi & BLE for BK7231N
lv_port_esp32 - LVGL ported to ESP32 including various display and touchpad drivers
TinyGo-On-ESP32 - This tutorial will walk you through how to setup Ubuntu 20.10 with Ubuntu Desktop on a Raspberry Pi 4B, install the Espressif ESP-IDF, install Go and TinyGo and finally flash an app to an Espressif ESP32 Microcontroller.
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
opendps - Give your DPS5005 the upgrade it deserves
JETGPIO - C library to manage the GPIO header of the Nvidia Jetson boards
esp8266_deauther - Affordable WiFi hacking platform for testing and learning
gfx - GFX is a device independent graphics library primarily intended for IoT MCUs but not limited to that.
blackmagic-espidf - Blackmagic Wireless SWD Debug probe hosted on esp-idf SDK (for ESP8266) with UART on Telnet port and HTTP using xterm.js
esp-idf-lib - Component library for ESP32-xx and ESP8266
esp_slip_router - A SLIP to WiFi router