Difference between revisions of "USB Host"

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How-To use the USB Host functionnality of Armadeus boards under Linux.
 
How-To use the USB Host functionnality of Armadeus boards under Linux.
  
−
= Controller =
+
== Controller ==
−
To use USB devices on your Armadeus board, you will need to have a USB Host controller on your development board. Currently, only the [[APF9328DevFull|DevFull]] has this functionnality. It is equipped with a USB 2.0 Host controller featuring three USB high speed ports. [[ISP1761_Linux_driver | To know how to install USB Host Linux driver for the DevFull, go here.]]
+
* [[APF9328DevFull|APF9328DevFull]]: it is equipped with a USB 2.0 Host controller (ISP1761) featuring three USB high speed ports. The ISP1761 driver is already configured with armadeus version 3. For older versions refer to the [[ISP1761_Linux_driver |how to install USB Host Linux driver for the DevFull]] page
 +
* [[APF27]] and [[APF27Dev]]: two Host ports are available. The controllers are integrated in the i.MX27 processor. Nothing has to be done to configure the controller. No special operation has to be done to use both USB ports (driver is included in default kernel).
 +
* [[APF27 PPS]]: one Host port and one OTG port (that can be forced to Host mode). Default Linux kernel has all the needed drivers compiled in.
 +
* [[APF51Dev]]: 2 Host ports and one OTG port (that can be forced to Host mode). Default Linux kernel has all the needed drivers compiled in.
 +
* [[PPS51]] one Host port and one OTG port (that can be forced to Host mode). Default Linux kernel has all the needed drivers compiled in.
 +
* [[APF28Dev]]: one Host port and one OTG port (Host/slave mode automatically switched depending on cable). Default Linux kernel has all the needed drivers compiled in.
  
−
= Using USB devices =
+
== Forcing an OTG port to Host mode ([[APF27]] / [[APF51]] / [[APF28]])==
 +
* If you don't have an OTG compatible cable or an old APFDev board (ex: APF28Dev Rev 1), it might be needed to force Host mode on OTG port:
 +
<pre class="apf">
 +
BIOS> setenv extrabootargs ${extrabootargs} otg_mode=host
 +
BIOS> saveenv
 +
BIOS> boot
 +
</pre>
  
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== USB keyboard ==  
+
== Using USB devices ==
−
=== Driver installation ===
+
−
Adding USB keyboard support
+
−
$ make linux-menuconfig
+
  
−
select Device Driver->HID Devices-> Generic HID support (kernel)
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=== USB keyboard/mouse (HID: Human Interface Device) ===
−
select Device Driver->HID Devices-> USB Human Interface Device (module)
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==== Driver installation ====
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=== Starting the driver ===
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* [[Talk:USB_Host|Done by default]] in recent releases
−
# modprobe usbhid
+
  
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== USB Flash memory / USB key ==  
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====Plug the keyboard====
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=== Driver installation ===
+
* you should see on console (here on APF9328 for example):
−
Adding USB Flash support
+
<pre class="apf">
−
  make linux-menuconfig
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usb 1-1.1: new low speed USB device using isp1761 and address 3
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  select Device Driver-> SCSI device support->SCSI device support (kernel)<br>
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  usb 1-1.1: configuration #1 chosen from 1 choice
−
  select Device Driver-> SCSI device support->legacy /proc/scsi/ support (kernel)<br>
+
  input: NOVATEK USB Keyboard as /class/input/input0
−
  select Device Driver-> SCSI device support->SCSI disk support (kernel)<br>
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  input: USB HID v1.10 Keyboard [NOVATEK USB Keyboard] on usb-platform-1.1
 +
input: NOVATEK USB Keyboard as /class/input/input1
 +
  input: USB HID v1.10 Mouse [NOVATEK USB Keyboard] on usb-platform-1.1
 +
</pre>
 +
* To change keyboard keymap (by default US one is used):
 +
<pre class="apf">
 +
# loadkmap < /etc/i18n/fr.kmap
 +
</pre>
  
−
select Device Driver-> USB support ->USB device filesystem (kernel)<br>
+
====Plug the mouse====
−
  select Device Driver-> USB support ->USB Mass Storage support (kernel)<br>
+
* you should see on console (here on APF9328 for example):
 +
<pre class="apf">
 +
  usb 1-1.2: new low speed USB device using isp1761 and address 6
 +
usb 1-1.2: configuration #1 chosen from 1 choice
 +
input: Logitech USB-PS/2 Optical Mouse as /class/input/input6
 +
input: USB HID v1.10 Mouse [Logitech USB-PS/2 Optical Mouse] on usb-platform-1.2
 +
</pre>
  
−
=== Starting the driver ===
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=== USB Flash memory / USB key / USB card reader / USB Hard Drive===
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* if sda1 has not been previoulsy created
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==== Driver installation ====
 +
* [[Talk:USB_Host|Done by default]] in recent releases.
 +
 
 +
==== Plug the storage device ====
 +
* You should see (for example):
 +
<pre class="apf">
 +
usb 1-1.2: new high speed USB device using isp1761 and address 6
 +
usb 1-1.2: configuration #1 chosen from 1 choice
 +
scsi0 : SCSI emulation for USB Mass Storage devices
 +
usb 1-1.2: reset high speed USB device using isp1761 and address 6
 +
scsi 0:0:0:0: Direct-Access    Hama    Card Reader  CF 1.9C PQ: 0 ANSI: 0 CCS
 +
sd 0:0:0:0: [sda] Attached SCSI removable disk
 +
</pre>
 +
 
 +
==== Additional configuration ====
 +
* If /dev/sdaX does not exist, then create it:
 +
<pre class="apf">
 +
# mknod /dev/sda b 8 0
 
  # mknod /dev/sda1 b 8 1
 
  # mknod /dev/sda1 b 8 1
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* create a mount directory "memstick"
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# mknod /dev/sda2 b 8 2
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  # mkdir -m 777 /mnt/memstick
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</pre>
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* mount the USB Flash device
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* Create a mount directory "usbdisk"
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  # mount -t vfat /dev/sda1 /mnt/memstick
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<pre class="apf">
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* check what is present on the USB Flash device
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  # mkdir -m 777 /mnt/usbdisk
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  # ls -al /mnt/memstick
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</pre>
 +
 
 +
==== Mount the device ====
 +
* Mount the USB Mass Storage device
 +
<pre class="apf">
 +
  # mount -t vfat /dev/sda1 /mnt/usbdisk
 +
</pre>
 +
* Check what is present on the USB Mass Storage device:
 +
<pre class="apf">
 +
  # ls -al /mnt/usbdisk
 +
</pre>
 +
* And if it is well mounted (for example):
 +
<pre class="apf">
 +
# mount
 +
rootfs on / type rootfs (rw)
 +
/dev/root on / type jffs2 (rw)
 +
proc on /proc type proc (rw)
 +
devpts on /dev/pts type devpts (rw)
 +
tmpfs on /tmp type tmpfs (rw)
 +
sysfs on /sys type sysfs (rw)
 +
/dev/sda1 on /mnt/usbdisk type msdos (rw,fmask=0022,dmask=0022,codepage=cp437)
 +
</pre>
 +
 
 +
=== USB <--> Serial adapters ===
 +
* See [[USB_to_serial_adapter]]
 +
 
 +
=== USB <--> WiFi adapters ===
 +
* See [[USB_to_WiFi_adapter]]
  
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= USB Performances =
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==U-Boot usage==
−
A performance test has been performed by means of the usb_perf.sh script. <br>
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USB storage can also be used with U-Boot. The following commands are useful:
−
A high speed USB stick (corsair memory flash voyager) has been used.
+
−
Test result (mean values): read -> 2980 kBytes/sec  write -> 2095 kBytes/sec
+
  
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The maximal bandwidth has been also measured by using a scope and by tranferring 4096 octets from the USBstick to a buffer of a kernel driver
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* start/restart the USB:
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Result: ~10Mo/sec 
+
<pre class="apf">
 +
BIOS> usb start
 +
</pre>
 +
* show available USB devices:
 +
<pre class="apf">
 +
BIOS> usb info
 +
</pre>
 +
* list the USB key content (mass storage only):
 +
<pre class="apf">
 +
BIOS> fatls usb 0
 +
</pre>
 +
* load the file xxx.bin in RAM:
 +
<pre class="apf">
 +
BIOS> fatload usb 0 ${loadaddr} xxx.bin
 +
</pre>
  
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= Links =
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== Links ==
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* http://www.nxp.com/acrobat/datasheets/ISP1760_4.pdf
+
* Any links ?
−
* http://www.nxp.com/acrobat_download/datasheets/ISP1761_4.pdf
+
  
 
[[Category:BoardConnectivity]]
 
[[Category:BoardConnectivity]]
 
[[Category:Linux drivers]]
 
[[Category:Linux drivers]]
 +
[[Category:USB]]

Latest revision as of 12:04, 23 April 2015

How-To use the USB Host functionnality of Armadeus boards under Linux.

Controller

  • APF9328DevFull: it is equipped with a USB 2.0 Host controller (ISP1761) featuring three USB high speed ports. The ISP1761 driver is already configured with armadeus version 3. For older versions refer to the how to install USB Host Linux driver for the DevFull page
  • APF27 and APF27Dev: two Host ports are available. The controllers are integrated in the i.MX27 processor. Nothing has to be done to configure the controller. No special operation has to be done to use both USB ports (driver is included in default kernel).
  • APF27 PPS: one Host port and one OTG port (that can be forced to Host mode). Default Linux kernel has all the needed drivers compiled in.
  • APF51Dev: 2 Host ports and one OTG port (that can be forced to Host mode). Default Linux kernel has all the needed drivers compiled in.
  • PPS51 one Host port and one OTG port (that can be forced to Host mode). Default Linux kernel has all the needed drivers compiled in.
  • APF28Dev: one Host port and one OTG port (Host/slave mode automatically switched depending on cable). Default Linux kernel has all the needed drivers compiled in.

Forcing an OTG port to Host mode (APF27 / APF51 / APF28)

  • If you don't have an OTG compatible cable or an old APFDev board (ex: APF28Dev Rev 1), it might be needed to force Host mode on OTG port:
BIOS> setenv extrabootargs ${extrabootargs} otg_mode=host
BIOS> saveenv
BIOS> boot

Using USB devices

USB keyboard/mouse (HID: Human Interface Device)

Driver installation

Plug the keyboard

  • you should see on console (here on APF9328 for example):
 usb 1-1.1: new low speed USB device using isp1761 and address 3
 usb 1-1.1: configuration #1 chosen from 1 choice
 input: NOVATEK USB Keyboard as /class/input/input0
 input: USB HID v1.10 Keyboard [NOVATEK USB Keyboard] on usb-platform-1.1
 input: NOVATEK USB Keyboard as /class/input/input1
 input: USB HID v1.10 Mouse [NOVATEK USB Keyboard] on usb-platform-1.1
  • To change keyboard keymap (by default US one is used):
 # loadkmap < /etc/i18n/fr.kmap

Plug the mouse

  • you should see on console (here on APF9328 for example):
 usb 1-1.2: new low speed USB device using isp1761 and address 6
 usb 1-1.2: configuration #1 chosen from 1 choice
 input: Logitech USB-PS/2 Optical Mouse as /class/input/input6
 input: USB HID v1.10 Mouse [Logitech USB-PS/2 Optical Mouse] on usb-platform-1.2

USB Flash memory / USB key / USB card reader / USB Hard Drive

Driver installation

Plug the storage device

  • You should see (for example):
 usb 1-1.2: new high speed USB device using isp1761 and address 6
 usb 1-1.2: configuration #1 chosen from 1 choice
 scsi0 : SCSI emulation for USB Mass Storage devices
 usb 1-1.2: reset high speed USB device using isp1761 and address 6
 scsi 0:0:0:0: Direct-Access     Hama     Card Reader   CF 1.9C PQ: 0 ANSI: 0 CCS
 sd 0:0:0:0: [sda] Attached SCSI removable disk

Additional configuration

  • If /dev/sdaX does not exist, then create it:
 # mknod /dev/sda b 8 0
 # mknod /dev/sda1 b 8 1
 # mknod /dev/sda2 b 8 2
  • Create a mount directory "usbdisk"
 # mkdir -m 777 /mnt/usbdisk

Mount the device

  • Mount the USB Mass Storage device
 # mount -t vfat /dev/sda1 /mnt/usbdisk
  • Check what is present on the USB Mass Storage device:
 # ls -al /mnt/usbdisk
  • And if it is well mounted (for example):
 # mount
 rootfs on / type rootfs (rw)
 /dev/root on / type jffs2 (rw)
 proc on /proc type proc (rw)
 devpts on /dev/pts type devpts (rw)
 tmpfs on /tmp type tmpfs (rw)
 sysfs on /sys type sysfs (rw)
 /dev/sda1 on /mnt/usbdisk type msdos (rw,fmask=0022,dmask=0022,codepage=cp437)

USB <--> Serial adapters

USB <--> WiFi adapters

U-Boot usage

USB storage can also be used with U-Boot. The following commands are useful:

  • start/restart the USB:
BIOS> usb start
  • show available USB devices:
BIOS> usb info
  • list the USB key content (mass storage only):
BIOS> fatls usb 0
  • load the file xxx.bin in RAM:
BIOS> fatload usb 0 ${loadaddr} xxx.bin

Links

  • Any links ?
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