Linux USB Host: Difference between revisions
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{{PageHeader| | {{PageHeader|USB Host}} {{DocImage|category1=Yocto|category2=Debian}}[[Category:VAR-SOM-MX6]][[Category:DART-6UL]][[Category:VAR-SOM-MX7]][[Category:DART-MX8M]][[Category:DART-MX8M-MINI]][[Category:DART-MX8M-PLUS]] __toc__ | ||
Plug a | Plug in a USB mass storage device / mouse / keyboard / any other supported USB device to any of the USB host ports on your DVK. | ||
= | |||
= USB Mass Storage Device Example = | |||
After inserting a USB stick you should get output similar to this: | After inserting a USB stick you should get output similar to this: | ||
<pre> | <pre> | ||
| Line 42: | Line 43: | ||
Write some data: | Write some data: | ||
<pre> | <pre> | ||
# dd if=/dev/urandom of=/run/media/sda1/junk bs=1M count=20 | |||
20+0 records in | 20+0 records in | ||
20+0 records out | 20+0 records out | ||
| Line 48: | Line 49: | ||
</pre> | </pre> | ||
= Example | = FTDI Example = | ||
After inserting the FTDI device you should get output similar to this: | |||
<pre>usb 1-1: new full-speed USB device number 5 using ci_hdrc | <pre> | ||
usb 1-1: new full-speed USB device number 5 using ci_hdrc | |||
usbcore: registered new interface driver usbserial | usbcore: registered new interface driver usbserial | ||
usbcore: registered new interface driver usbserial_generic | usbcore: registered new interface driver usbserial_generic | ||
| Line 64: | Line 66: | ||
usb 1-1: FTDI USB Serial Device converter now attached to ttyUSB0 | usb 1-1: FTDI USB Serial Device converter now attached to ttyUSB0 | ||
</pre> | </pre> | ||
Start minicom and set the interface: | |||
Start minicom and set the interface | <pre> | ||
<pre> | # minicom -s | ||
</pre> | </pre> | ||
[[File:Minicom_set.png]] | [[File:Minicom_set.png]] | ||
<br | <br><br> | ||
connect pin 2 to 3 on the serial port and test for loop-back. | |||
Latest revision as of 21:42, 22 March 2023
USB Host
Plug in a USB mass storage device / mouse / keyboard / any other supported USB device to any of the USB host ports on your DVK.
USB Mass Storage Device Example
After inserting a USB stick you should get output similar to this:
usb 1-1: new high-speed USB device number 3 using ci_hdrc usb-storage 1-1:1.0: USB Mass Storage device detected scsi1 : usb-storage 1-1:1.0 scsi 1:0:0:0: Direct-Access SanDisk U3 Cruzer Micro 8.02 PQ: 0 ANSI: 0 CCS sd 1:0:0:0: [sda] 3907583 512-byte logical blocks: (2.00 GB/1.86 GiB) sd 1:0:0:0: [sda] Write Protect is off sd 1:0:0:0: [sda] No Caching mode page found sd 1:0:0:0: [sda] Assuming drive cache: write through sd 1:0:0:0: [sda] No Caching mode page found sd 1:0:0:0: [sda] Assuming drive cache: write through sda: sda1 sda2 sd 1:0:0:0: [sda] No Caching mode page found sd 1:0:0:0: [sda] Assuming drive cache: write thr
List directory content:
# ls /run/media/sda1 $RECYCLE.BIN bookmarks-2015-06-25.json Android iMX6_gpio_test LOST.DIR junk LS1021_SOM linux-3.2.0-psp04.06.00.11 Movies tek00000.png Mpeg tek00001.png Music tek00002.png Playlists test0.wav SanDiskSecureAccessV2.0 test2.wav SanDiskSecureAccessV2_win.exe test3.wav System Volume Information testx.wav TIInit_11.8.32.bts vmlinux VAR-SOM-AM33-SCHV212.DSN wifi_fw_android_working am43-demo wl1271-nvs.bin apk xorcom backing_file zImage
Write some data:
# dd if=/dev/urandom of=/run/media/sda1/junk bs=1M count=20 20+0 records in 20+0 records out 20971520 bytes (21 MB) copied, 22.9626 s, 913 kB/s
FTDI Example
After inserting the FTDI device you should get output similar to this:
usb 1-1: new full-speed USB device number 5 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 1-1:1.0: FTDI USB Serial Device converter detected usb 1-1: Detected FT232RL usb 1-1: Number of endpoints 2 usb 1-1: Endpoint 1 MaxPacketSize 64 usb 1-1: Endpoint 2 MaxPacketSize 64 usb 1-1: Setting MaxPacketSize 64 usb 1-1: FTDI USB Serial Device converter now attached to ttyUSB0
Start minicom and set the interface:
# minicom -s
connect pin 2 to 3 on the serial port and test for loop-back.