Linux USB Host
From Variscite Wiki
DART-6UL USB Host
Plug a DiskOnKey, Mouse or Keyboard to any of the 3 USB host ports on the DVK.
Example DiskOnKey
Insert DiskOnKey:
usb 2-1.3: new high-speed USB device number 8 using ci_hdrc usb-storage 2-1.3:1.0: USB Mass Storage device detected scsi2 : usb-storage 2-1.3:1.0 scsi 2:0:0:0: Direct-Access SanDisk Cruzer Blade 2.01 PQ: 0 ANSI: 6 sd 2:0:0:0: [sdb] 7821312 512-byte logical blocks: (4.00 GB/3.72 GiB) sd 2:0:0:0: [sdb] Write Protect is off sd 2:0:0:0: [sdb] Write cache: disabled, read cache: enabled, doesn't support DPO or FUA sdb: sdb1 sd 2:0:0:0: [sdb] Attached SCSI disk FAT-fs (sdb1): Volume was not properly unmounted. Some data may be corrupt. Please run fsck.
List directory
$ ls /run/media/sdb1/ $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/sdb1/junk bs=1M count=20 20+0 records in 20+0 records out 20971520 bytes (21 MB) copied, 8.35507 s, 2.5 MB/s
Example FTDI
Inseret the FTDI device:
usb 2-1.2: USB disconnect, device number 4 usb 2-1.2: new full-speed USB device number 7 using ci_hdrc usbcore: registered new interface driver usbserial usbcore: registered new interface driver usbserial_generic usbserial: USB Serial support registered for generic usbcore: registered new interface driver ftdi_sio usbserial: USB Serial support registered for FTDI USB Serial Device ftdi_sio 2-1.2:1.0: FTDI USB Serial Device converter detected usb 2-1.2: Detected FT232RL usb 2-1.2: Number of endpoints 2 usb 2-1.2: Endpoint 1 MaxPacketSize 64 usb 2-1.2: Endpoint 2 MaxPacketSize 64 usb 2-1.2: Setting MaxPacketSize 64 usb 2-1.2: FTDI USB Serial Device converter now attached to ttyUSB0
Connect to the target:
$ ssh root@192.168.1.130
Start minicom and set the interface
$ minicom -s
connect pin 2 to 3 on the serial port and test for loop-back.