SDFileSystem for mbed platrom

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This post shows how to use SDfile System on W5500 Ethernet Shield for mbed platfrom.

SDFile System

A library to allow SD Cards to be accessed as a filesystem, using a SPI interface

SDFileSystem @developer.mbed.org/handbook

This library supports:
– Fat12/ FAT16 / FAT32
– SD / SDHC cards up to 32Gb

HW – W5500 Ethernet Shield with MicroSD Slot

W5500 Ethernet ShieldW5500 Ethernet Shield

  • ARM mbed compatible operation
  • Arduino Pin-compatible
  • Ethernet (W5500 Hardwired TCP/IP chip)
  • MicroSD Slot
  • Ethernet port
  • I2C I/F
  • UART I/F

W5500 Ethernet Shiel Pin Map

W5500 Ethernet Shiel Pin Map

  • SPI Bus support Arduino and mbed platfrom
    MOSI MISO SCK
    D11 D12 D13
    MOSI(ICSP-4) MISO(ICSP-1) SCLK(ICSP-3)
  • __SPI_CS and SD_CS pins are allowed to select as below, __

    • SPI_CS : D8 / D9 / D10
    • SD_CS : D4 / D5 / D6

SW1 – SDFile System for LPC824 Xpresso (mbed platform)

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