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| {{PageHeader|VAR-SOM-MX6 - USB Host}} {{DocImage|category1=VAR-SOM-MX6|category2=Yocto}} __toc__
| | #REDIRECT [[IMX USB Host]] |
| Plug a DiskOnKey, Mouse or Keyboard to any of the 3 USB host ports on EVK
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| = Example DiskOnKey =
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| Insert DiskOnKey:
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| <pre>usb 2-1.3: new high-speed USB device number 8 using ci_hdrc
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| usb-storage 2-1.3:1.0: USB Mass Storage device detected
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| scsi2 : usb-storage 2-1.3:1.0
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| scsi 2:0:0:0: Direct-Access SanDisk Cruzer Blade 2.01 PQ: 0 ANSI: 6
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| sd 2:0:0:0: [sdb] 7821312 512-byte logical blocks: (4.00 GB/3.72 GiB)
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| sd 2:0:0:0: [sdb] Write Protect is off
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| sd 2:0:0:0: [sdb] Write cache: disabled, read cache: enabled, doesn't support DPO or FUA
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| sdb: sdb1
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| sd 2:0:0:0: [sdb] Attached SCSI disk
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| FAT-fs (sdb1): Volume was not properly unmounted. Some data may be corrupt. Please run fsck.
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| </pre>
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| List directory
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| <pre> $ ls /run/media/sdb1/
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| $RECYCLE.BIN bookmarks-2015-06-25.json
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| Android iMX6_gpio_test
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| LOST.DIR linux-3.2.0-psp04.06.00.11
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| LS1021_SOM tek00000.png
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| Movies tek00001.png
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| Mpeg tek00002.png
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| Music test0.wav
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| Playlists test2.wav
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| SanDiskSecureAccessV2.0 test3.wav
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| SanDiskSecureAccessV2_win.exe testx.wav
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| System Volume Information vmlinux
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| TIInit_11.8.32.bts wifi_fw_android_working
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| VAR-SOM-AM33-SCHV212.DSN wl1271-nvs.bin
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| am43-demo xorcom
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| apk zImage
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| backing_file
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| </pre>
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| Write some data:
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| <pre>$ dd if=/dev/urandom of=/run/media/sdb1/junk bs=1M count=20
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| 20+0 records in
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| 20+0 records out
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| 20971520 bytes (21 MB) copied, 8.35507 s, 2.5 MB/s
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| </pre>
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| | |
| = Example FTDI =
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| Inseret the FTDI device:
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| <pre>usb 2-1.2: USB disconnect, device number 4
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| usb 2-1.2: new full-speed USB device number 7 using ci_hdrc
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| usbcore: registered new interface driver usbserial
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| usbcore: registered new interface driver usbserial_generic
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| usbserial: USB Serial support registered for generic
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| usbcore: registered new interface driver ftdi_sio
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| usbserial: USB Serial support registered for FTDI USB Serial Device
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| ftdi_sio 2-1.2:1.0: FTDI USB Serial Device converter detected
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| usb 2-1.2: Detected FT232RL
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| usb 2-1.2: Number of endpoints 2
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| usb 2-1.2: Endpoint 1 MaxPacketSize 64
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| usb 2-1.2: Endpoint 2 MaxPacketSize 64
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| usb 2-1.2: Setting MaxPacketSize 64
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| usb 2-1.2: FTDI USB Serial Device converter now attached to ttyUSB0
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| </pre>
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| Connect to the target:
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| <pre>$ ssh root@192.168.1.130</pre>
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| Start minicom and set the interface
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| <pre>$ minicom -s
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| </pre>
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| connect pin 2 to 3 on the serial port and test for loop-back.
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