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- optimize SPI usage 148% write speed (24kB/s -> 37kB/s) and 127% read speed (121kB/s -> 155kB/s) at 8MHz - add clock frequency as parameter for begin(csPin, frequency) - SD @80MHz write: 84kB/s read: 231kB/s SPI add functions: - void write32(uint32_t data); - void write32(uint32_t data, bool msb); - void transferBytes(uint8_t * out, uint8_t * in, uint32_t size); Adafruit_ILI9341: - code clean
This is a library for the Adafruit ILI9341 display products This library works with the Adafruit 2.8" Touch Shield V2 (SPI) ----> http://www.adafruit.com/products/1651 Check out the links above for our tutorials and wiring diagrams. These displays use SPI to communicate, 4 or 5 pins are required to interface (RST is optional). Adafruit invests time and resources providing this open source code, please support Adafruit and open-source hardware by purchasing products from Adafruit! Written by Limor Fried/Ladyada for Adafruit Industries. MIT license, all text above must be included in any redistribution To download. click the DOWNLOADS button in the top right corner, rename the uncompressed folder Adafruit_ILI9341. Check that the Adafruit_ILI9341 folder contains Adafruit_ILI9341.cpp and Adafruit_ILI9341. Place the Adafruit_ILI9341 library folder your arduinosketchfolder/libraries/ folder. You may need to create the libraries subfolder if its your first library. Restart the IDE Also requires the Adafruit_GFX library for Arduino.