VAR-SOM-AM43 USB Host

Example DiskOnKey

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

Example FTDI

Inseret the FTDI device:

usb [ 3734.142888] usb 1-1: new full-speed USB device number 4 using xhci-hcd
[ 3734.287788] usb 1-1: New USB device found, idVendor=0403, idProduct=6001
[ 3734.294612] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[ 3734.301801] usb 1-1: Product: UC232R
[ 3734.306072] usb 1-1: Manufacturer: FTDI
[ 3734.309961] usb 1-1: SerialNumber: FTVT50IU

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.