基于ESP8266制作的软路由监视器

A ["Discussions"](https://github.com/Bodmer/TFT_eSPI/discussions) facility has been added for Q&A etc. Use the ["Issues"](https://github.com/Bodmer/TFT_eSPI/issues) tab only for problems with the library. Thanks! # News 1. New functions have been added to draw smooth (antialiased) arcs, circles, and rounded rectangle outlines. New sketches for the arcs are provided in the "Smooth Graphics" examples folder. Arcs can be drawn with or without anti-aliasing. The arc ends can be straight or rounded. Further demo examples will be added soon! 2. An excellent new compatible library is available which can render TrueType fonts on a TFT screen (or into a sprite). This has been developed by takkaO [and is available here](https://github.com/takkaO/OpenFontRender). I have been reluctant to support yet another font format but this is an amazing library which is very easy to use. It provides access to compact font files, with fully scaleable anti-aliased glyphs. Left, middle and right justified text can also be printed to the screen. I have added TFT_eSPI specific examples to the OpenFontRender library and tested on RP2040 and ESP32 processors, however the ESP8266 does not have sufficient RAM. Here is a demo screen where a single 12kbyte font file binary was used to render fully anti-aliased glyphs of gradually increasing size on a 320x480 TFT screen:  3. The following is now deprecated due to the number of issues it can cause in certain circumstances. <del>For ESP32 ONLY, the TFT configuration (user setup) can now be included inside an Arduino IDE sketch providing the instructions in the example Generic->Sketch_with_tft_setup are followed. See ReadMe tab in that sketch for the instructions. If the setup is not in the sketch then the library settings will be used. This means that "per project" configurations are possible without modifying the library setup files. Please note that ALL the other examples in the library will use the library settings unless they are adapted and the "tft_setup.h" header file included. Note: there are issues with this approach, [#2007](https://github.com/Bodmer/TFT_eSPI/discussions/2007#discussioncomment-3834755) proposes an alternative method. </del> 4. New GUI examples have been added for sliders, buttons, graphs and meters. These examples require a new support library here: [TFT_eWidget](https://github.com/Bodmer/TFT_eWidget) 5. Support has been added in v2.4.70 for the RP2040 with 16 bit parallel displays. This has been tested and the screen update performance is very good (4ms to clear 320 x 480 screen with HC8357C). The use of the RP2040 PIO makes it easy to change the write cycle timing for different displays. DMA with 16 bit transfers is also supported. 6. Support for HX8357B and HX8357C screens has been added (only tested with RP2040 and 16 bit parallel interface) 7. Support for the ESP32-S2, ESP32-S3 and ESP32-C3 has been added (DMA not supported at the moment). Tested with v2.0.3 RC1 of the ESP32 board package. Example setups: [Setup70_ESP32_S2_ILI9341.h](https://github.com/Bodmer/TFT_eSPI/blob/master/User_Setups/Setup70_ESP32_S2_ILI9341.h) [Setup70b_ESP32_S3_ILI9341.h](https://github.com/Bodmer/TFT_eSPI/blob/master/User_Setups/Setup70b_ESP32_S3_ILI9341.h) [Setup70c_ESP32_C3_ILI9341.h](https://github.com/Bodmer/TFT_eSPI/blob/master/User_Setups/Setup70c_ESP32_C3_ILI9341.h) [Setup70d_ILI9488_S3_Parallel.h](https://github.com/Bodmer/TFT_eSPI/blob/master/User_Setups/Setup70d_ILI9488_S3_Parallel.h) 8. Smooth fonts can now be rendered direct to the TFT with very little flicker for quickly changing values. This is achieved by a line-by-line and block-by-block update of the glyph area without drawing pixels twice. This is a "breaking" change for some sketches because a new true/false parameter is needed to render the background. The default is false if the parameter is missing, Examples: tft.setTextColor(TFT_WHITE, TFT_BLUE, true); spr.setTextColor(TFT_BLUE, TFT_BLACK, true); Note: background rendering for Smooth fonts is also now available when using the print stream e.g. with: tft.println("Hello World"); 9. New anti-aliased graphics functions to draw lines, wedge shaped lines, circles and rounded rectangles. [Examples are included](https://github.com/Bodmer/TFT_eSPI/tree/master/examples/Smooth%20Graphics). Examples have also been added to [display PNG compressed images](https://github.com/Bodmer/TFT_eSPI/tree/master/examples/PNG%20Images) (note: requires ~40kbytes RAM). 10. Frank Boesing has created an extension library for TFT_eSPI that allows a large range of ready-built fonts to be used. Frank's library (adapted to permit rendering in sprites as well as TFT) can be [downloaded here](https://github.com/Bodmer/TFT_eSPI_ext). More than 3300 additional Fonts are [available here](https://github.com/FrankBoesing/fonts/tree/master/ofl). The TFT_eSPI_ext library contains examples that demonstrate the use of the fonts. 11. Users of PowerPoint experienced with running macros may be interested in the [pptm sketch generator here](https://github.com/Bodmer/PowerPoint_to_sketch), this converts graphics and tables drawn in PowerPoint slides into an Arduino sketch that renders the graphics on a 480x320 TFT. This is based on VB macros [created by Kris Kasprzak here](https://github.com/KrisKasprzak/Powerpoint-ILI9341_t3). 12. The library contains two new functions for rectangles filled with a horizontal or vertical coloured gradient: tft.fillRectHGradient(x, y, w, h, color1, color2); tft.fillRectVGradient(x, y, w, h, color1, color2);  13. The RP2040 8 bit parallel interface uses the PIO. The PIO now manages the "setWindow" and "block fill" actions, releasing the processor for other tasks when areas of the screen are being filled with a colour. The PIO can optionally be used for SPI interface displays if #define RP2040_PIO_SPI is put in the setup file. Touch screens and pixel read operations are not supported when the PIO interface is used. The RP2040 PIO features only work with [Earle Philhower's board package](https://github.com/earlephilhower/arduino-pico), NOT the Arduino Mbed version. The use of PIO for SPI allows the RP2040 to be over-clocked (up to 250MHz works on my boards) in Earle's board package whilst still maintaining high SPI clock rates. 14. DMA can now be used with the Raspberry Pi Pico (RP2040) when used with both 8 bit parallel and 16 bit colour SPI displays. See "Bouncy_Circles" sketch. ["Bouncing circles"](https://www.youtube.com/watch?v=njFXIzCTQ_Q&lc=UgymaUIwOIuihvYh-Qt4AaABAg) # TFT_eSPI An Arduino IDE compatible graphics and fonts library for 32 bit processors. The library is targeted at 32 bit processors, it has been performance optimised for RP2040, STM32, ESP8266 and ESP32 types, other processors may be used but will use the slower generic Arduino interface calls. The library can be loaded using the Arduino IDE's Library Manager. Direct Memory Access (DMA) can be used with the ESP32, RP2040 and STM32 processors with SPI interface displays to improve rendering performance. DMA with a parallel interface (8 and 16 bit parallel) is only supported with the RP2040. Optimised drivers have been tested with the following processors: * RP2040, e.g. Raspberry Pi Pico * ESP32 and ESP32-S2, ESP32-C3, ESP32-S3 * ESP8266 * STM32F1xx, STM32F2xx, STM32F4xx, STM32F767 (higher RAM processors recommended) For other processors only SPI interface displays are supported and the slower Arduino SPI library functions are used by the library. Higher clock speed processors such as used for the Teensy 3.x and 4.x boards will still provide a very good performance with the generic Arduino SPI functions. "Four wire" SPI and 8 bit parallel interfaces are supported. Due to lack of GPIO pins the 8 bit parallel interface is NOT supported on the