VAR-SOM-AM43 USB Host
From Variscite Wiki
Example DiskOnKey
Plug a DiskOnKey, Mouse or Keyboard to USB1 HOST (J40) USB Host port on the DVK (For using USB0 as Host refer to 'USB OTG as host' section).
Insert DiskOnKey:
[ 1046.842877] usb 1-1: new high-speed USB device number 3 using xhci-hcd [ 1046.983848] usb 1-1: New USB device found, idVendor=0781, idProduct=5567 [ 1046.990621] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 1046.998366] usb 1-1: Product: Cruzer Blade [ 1047.002513] usb 1-1: Manufacturer: SanDisk [ 1047.007122] usb 1-1: SerialNumber: 4C532000040726105323 [ 1047.048462] usb-storage 1-1:1.0: USB Mass Storage device detected [ 1047.055326] scsi host0: usb-storage 1-1:1.0 [ 1047.063647] usbcore: registered new interface driver usb-storage [ 1048.054300] scsi 0:0:0:0: Direct-Access SanDisk Cruzer Blade 1.26 PQ: 0 ANSI: 5 [ 1048.073222] sd 0:0:0:0: [sda] 7821312 512-byte logical blocks: (4.00 GB/3.72 GiB) [ 1048.097985] sd 0:0:0:0: [sda] Write Protect is off [ 1048.103757] sd 0:0:0:0: [sda] Write cache: disabled, read cache: enabled, doesn't support DPO or FUA [ 1048.131561] sda: [ 1048.146111] sd 0:0:0:0: [sda] Attached SCSI removable disk [ 1048.385793] FAT-fs (sda): Volume was not properly unmounted. Some data may be corrupt. Please run fsck.
List directory
$ ls /run/media/sda/ $RECYCLE.BIN bookmarks-2015-06-25.json Android iMX6_gpio_test LOST.DIR linux-3.2.0-psp04.06.00.11 LS1021_SOM tek00000.png Movies tek00001.png Mpeg tek00002.png Music test0.wav Playlists test2.wav SanDiskSecureAccessV2.0 test3.wav SanDiskSecureAccessV2_win.exe testx.wav System Volume Information vmlinux TIInit_11.8.32.bts wifi_fw_android_working VAR-SOM-AM33-SCHV212.DSN wl1271-nvs.bin am43-demo xorcom apk zImage backing_file
Write some data:
$ dd if=/dev/urandom of=/run/media/sda/junk bs=1M count=20 20+0 records in 20+0 records out