Adafruit_ImageReader reader(SD); // Image-reader object, pass in SD filesys 对于一个flash文件系统,有一些特殊的声明来帮助我们在不同的Express板上定位flash设备,然后声明三个全局变量: // SPI or QSPI flash filesystem (i.e. CIRCUITPY drive) #if defined(__SAMD51__) || defined(NRF52840_XXAA)...
#include // SD card & FAT filesystem library #include // SPI / QSPI flash library #include // Image-reading functions #include // Core graphics library #include // Hardware-specific library #include // SD card & FAT filesystem library #include // SPI / QSPI flash library #include // ...
使用SD卡时,声明以下两个全局变量: SdFat SD; // SD card filesystem Adafruit_ImageReader reader(SD); // Image-reader object, pass in SDfilesys对于一个flash文件系统,有一些特殊的声明来帮助我们在不同的Express板上定位flash设备,然后声明三个全局变量: // SPI or QSPI flashfilesystem (i.e. ...
Flash, 2 MB PSRAM WiFi and BTLE capabilities Camera and Display OV5640 Camera Module 5MP sensor 72-degree view Autofocus JPEG encoder 1.54″ Color TFT Display with 240×240 resolution Storage – MicroSD card slot (SPI) Ports and Expansion Two Digital/Analog Stemma Ports – JST PH-3 ...
SdFat SD; // SD card filesystem Adafruit_ImageReader reader(SD); // Image-reader object, pass in SD filesys 对于一个flash文件系统,有一些特殊的声明来帮助我们在不同的Express板上定位flash设备,然后声明三个全局变量: // SPI or QSPI flash filesystem (i.e. CIRCUITPY drive) ...
Storage – 16MB SPI flash Connectivity – WiFi 4 and Bluetooth 5 with LE/Mesh PCB antenna Certifications – FCC/CE certification Storage – MicroSD card slot USB – 1x USB Type-C port for power and programming Expansion Arduino UNO-compatible headers ...
SdFat SD; // SD card filesystem Adafruit_ImageReader reader(SD); // Image-reader object, pass in SD filesys #else // SPI or QSPI flash filesystem (i.e. CIRCUITPY drive) #if defined(__SAMD51__) || defined(NRF52840_XXAA)
As I have come to expect from Adafruit, the kit is, in a word fantastic. The parts are all packed neatly, wrapped, protected, and in a nice black cardboard box. If you’ve never purchased a kit from Adafruit or checked out one of their tutorials, you’re really missing out. The tu...
Adafruit SPIFlash This will let you read/write to the onboard FLASH memory with super-fast QSPI support SdFat (Adafruit Fork) The Adafruit fork of the really excellent SD card library that gives a lot more capability than the default SD library ...
Companion library for Adafruit_GFX to load images from SD card or SPI Flash Requires Adafruit_GFX library and one of the SPI color graphic display libraries, e.g. Adafruit_ILI9341. IMPORTANT NOTE: version 2.0 is a "breaking change"from the 1.X releases of this library. Existing code WILL...