N900 Hardware USB Host - Revision history

davidxfoo: /* Demos */

2012-01-08T23:41:03Z

Demos

← Older revision		Revision as of 23:41, 8 January 2012
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	* http://www.youtube.com/watch?v=0YPk4Y0ZPQY by divan0 (usb card reader)		* http://www.youtube.com/watch?v=0YPk4Y0ZPQY by divan0 (usb card reader)
	* http://www.youtube.com/watch?v=3IyeSNGCWTA by divan0 (usb Ethernet adapter)		* http://www.youtube.com/watch?v=3IyeSNGCWTA by divan0 (usb Ethernet adapter)
-	* http://www.youtube.com/watch?v=~~91LvSodT1LQ~~ by davidxfoo (USB I2C Sonar SRF08)	+	* http://www.youtube.com/watch?v=AUjbFi3-GpA by davidxfoo (USB I2C Sonar SRF08)

	==Hostmode development team:==		==Hostmode development team:==

davidxfoo: /* Demos */

2012-01-08T21:40:19Z

Demos

← Older revision		Revision as of 21:40, 8 January 2012
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	* http://www.youtube.com/watch?v=0YPk4Y0ZPQY by divan0 (usb card reader)		* http://www.youtube.com/watch?v=0YPk4Y0ZPQY by divan0 (usb card reader)
	* http://www.youtube.com/watch?v=3IyeSNGCWTA by divan0 (usb Ethernet adapter)		* http://www.youtube.com/watch?v=3IyeSNGCWTA by divan0 (usb Ethernet adapter)
		+	* http://www.youtube.com/watch?v=91LvSodT1LQ by davidxfoo (USB I2C Sonar SRF08)

	==Hostmode development team:==		==Hostmode development team:==

joerg_rw: /* Ideas for hostmode user-software */ powered hostmode

2011-03-31T13:42:02Z

Ideas for hostmode user-software: powered hostmode

← Older revision		Revision as of 13:42, 31 March 2011
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	*If the supply is a charger (D+,D- short, detected by the 1707a), fast charge.		*If the supply is a charger (D+,D- short, detected by the 1707a), fast charge.
	*Attempt to enumerate as a device, if this succeeds (including handling of suspended busses), then enumerate and charge as a device, respecting the enumerated current.		*Attempt to enumerate as a device, if this succeeds (including handling of suspended busses), then enumerate and charge as a device, respecting the enumerated current.
-	*If both enumeration as a device and charger detection have failed, we may be plugged into a hub or device with reverse power. Attempt to enumerate connected devices (=hostmode. Will not work due to [probably hardware] limitations in hostmode, which block speed selection after VBUS got applied). Charge at user-defined maximum current. For example - may be a 500mA power supply also supplying the hub and a keyboard = 2 unit loads - max draw = 300mA.	+	*If both enumeration as a device and charger detection have failed, we may be plugged into a hub or device with reverse power. Attempt to enumerate connected devices (=hostmode. Will not work due to [probably hardware] limitations in hostmode, which block speed selection after VBUS got applied). Charge at user-defined maximum current. For example - may be a 500mA power supply also supplying the hub and a keyboard = 2 unit loads - max draw = 300mA. Anyway see http://talk.maemo.org/showthread.php?p=921203#post921203 for actually powering N900 from external supply during hostmode. Implementation of this feature to h-e-n GUI still pending.

	==Installation==		==Installation==

joerg_rw: /* Ideas for hostmode user-software */ speed select blocked on VBUS

2011-03-31T13:37:56Z

Ideas for hostmode user-software: speed select blocked on VBUS

← Older revision		Revision as of 13:37, 31 March 2011
Line 36:		Line 36:
	*If the supply is a charger (D+,D- short, detected by the 1707a), fast charge.		*If the supply is a charger (D+,D- short, detected by the 1707a), fast charge.
	*Attempt to enumerate as a device, if this succeeds (including handling of suspended busses), then enumerate and charge as a device, respecting the enumerated current.		*Attempt to enumerate as a device, if this succeeds (including handling of suspended busses), then enumerate and charge as a device, respecting the enumerated current.
-	*If both enumeration as a device and charger detection have failed, we may be plugged into a hub or device with reverse power. Attempt to enumerate connected devices (=hostmode). Charge at user-defined maximum current. For example - may be a 500mA power supply also supplying the hub and a keyboard = 2 unit loads - max draw = 300mA.	+	*If both enumeration as a device and charger detection have failed, we may be plugged into a hub or device with reverse power. Attempt to enumerate connected devices (=hostmode. Will not work due to [probably hardware] limitations in hostmode, which block speed selection after VBUS got applied). Charge at user-defined maximum current. For example - may be a 500mA power supply also supplying the hub and a keyboard = 2 unit loads - max draw = 300mA.

	==Installation==		==Installation==

joerg_rw: /* Status */

2010-12-13T11:48:40Z

Status

← Older revision		Revision as of 11:48, 13 December 2010
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	USB Host mode has reached beta status, and is working reliably with manual speed switching.		USB Host mode has reached beta status, and is working reliably with manual speed switching.

-	Proper host mode would only require the normal cable, and a commonly available adapter. ([http://cgi.ebay.co.uk/ws/eBayISAPI.dll?ViewItem&item=250641334947 USB A-A adaptor]) Or maybe you like to get a fitting all-in-one small adapter, or make one fit ([http://talk.maemo.org/showthread.php?p=873725#post873725 N8 OTG adapter rework])	+	Proper host mode would only require the normal cable, and a commonly available adapter. ([http://cgi.ebay.co.uk/ws/eBayISAPI.dll?ViewItem&item=250641334947 USB A-A adaptor]) Or maybe you like to get a fitting all-in-one small adapter, or make one fit ([http://talk.maemo.org/showthread.php?p=873725#post873725 N8 OTG adapter rework]). Huge rigid adapters are STRONGLY DEPRECATED, regarding the notorious problems with USB receptacle coming off the PCB.

	A pre-alpha of hostmode was released on the 23rd of September, here: http://talk.maemo.org/showthread.php?p=824298		A pre-alpha of hostmode was released on the 23rd of September, here: http://talk.maemo.org/showthread.php?p=824298

joerg_rw: /* Status */

2010-12-04T03:23:28Z

Status

← Older revision		Revision as of 03:23, 4 December 2010
Line 6:		Line 6:
	USB Host mode has reached beta status, and is working reliably with manual speed switching.		USB Host mode has reached beta status, and is working reliably with manual speed switching.

-	Proper host mode would only require the normal cable, and a commonly available adapter. ([http://cgi.ebay.co.uk/ws/eBayISAPI.dll?ViewItem&item=250641334947 USB A-A adaptor])	+	Proper host mode would only require the normal cable, and a commonly available adapter. ([http://cgi.ebay.co.uk/ws/eBayISAPI.dll?ViewItem&item=250641334947 USB A-A adaptor]) Or maybe you like to get a fitting all-in-one small adapter, or make one fit ([http://talk.maemo.org/showthread.php?p=873725#post873725 N8 OTG adapter rework])

	A pre-alpha of hostmode was released on the 23rd of September, here: http://talk.maemo.org/showthread.php?p=824298		A pre-alpha of hostmode was released on the 23rd of September, here: http://talk.maemo.org/showthread.php?p=824298

mohammad7410: /* Usage */

2010-11-27T19:44:08Z

Usage

← Older revision		Revision as of 19:44, 27 November 2010
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	==Usage==		==Usage==

-	"A help window is available and will guide you through the steps needed.	+	A help window is available and will guide you through the steps needed.
	The mount button currently executes a script that reads /proc/partitions and mounts all devices there on /media/<partition_number>.		The mount button currently executes a script that reads /proc/partitions and mounts all devices there on /media/<partition_number>.
	The script will also modprobe ntfs and isofs (if /dev/sr0 is present), it will also create a temporary symlink (/dev/dvd) so mplayer works without any modifications (a package with DVD support compiled is needed)		The script will also modprobe ntfs and isofs (if /dev/sr0 is present), it will also create a temporary symlink (/dev/dvd) so mplayer works without any modifications (a package with DVD support compiled is needed)
-	Disabling tracker by adding /media/<partition_name> to tracker-cfg's non watch configuration is HIGHLY recommended, use tracker-cfg UI."	+	Disabling tracker by adding /media/<partition_name> to tracker-cfg's non watch configuration is HIGHLY recommended, use tracker-cfg UI.

	== Devices ==		== Devices ==

mohammad7410: /* Installation */

2010-11-27T19:42:50Z

Installation

← Older revision		Revision as of 19:42, 27 November 2010
Line 39:		Line 39:

	==Installation==		==Installation==
-	Install hostmode-gui from -devel, ~~your~~ kernel will be ~~replaced~~.	+	Install hostmode-gui from -devel, kernel-power will be installed if no other compatible kernel is present.

	'''apt-get install hostmode-gui'''		'''apt-get install hostmode-gui'''

mohammad7410: /* Usage */

2010-11-27T19:42:03Z

Usage

← Older revision		Revision as of 19:42, 27 November 2010
Line 53:		Line 53:

	"A help window is available and will guide you through the steps needed.		"A help window is available and will guide you through the steps needed.
-	The mount button is currently ~~hardcoded to mount~~ /~~dev~~/~~sda1, default for most USB flash drives~~ and ~~HDDs~~.	+	The mount button currently executes a script that reads /proc/partitions and mounts all devices there on /media/<partition_number>.
-	~~For NTFS support, do~~ modprobe ntfs ~~as root~~	+	The script will also modprobe ntfs and isofs (if /dev/sr0 is present), it will also create a temporary symlink (/dev/dvd) so mplayer works without any modifications (a package with DVD support compiled is needed)
-	~~For ISO (CDs/DVDs - most of them), do modprobe~~ isofs (~~also as root).~~	+	Disabling tracker by adding /media/<partition_name> to tracker-cfg's non watch configuration is HIGHLY recommended, use tracker-cfg UI."
-	~~CDs will have the dev node~~ /dev/sr0, ~~so you'll need to do mount~~ /dev/~~sr0 /mnt etc...~~	+
-	Disabling tracker by adding /media/~~flash~~ to tracker-cfg's non watch configuration is ~~recomended~~, use tracker-cfg UI."	+
-		+

	== Devices ==		== Devices ==

mohammad7410: /* Installation */

2010-11-27T19:37:44Z

Installation

← Older revision		Revision as of 19:37, 27 November 2010
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	[Update]		[Update]

-	"The most recent h-e-n pkg itself should come '''without any kernel''' now (just the GUI), and - as mentioned in a previous post - h-e-n doesn't plan to ship any dedicated hostmode kernels anymore~~, and '''recommends using power kernel''' instead~~.	+	"The most recent h-e-n pkg itself should come '''without any kernel''' now (just the GUI), however, it does depend on kernel-feature-usbhost, so any kernel providing that works, if no kernel is installed, kernel-power will be installed, and - as mentioned in a previous post - h-e-n doesn't plan to ship any dedicated hostmode kernels anymore.
-	The GUI will check if a compatible ~~kernel~~ is ~~installed~~, and will notify to user if problems are detected (with hostmode support in whatever is the currently installed kernel).	+	The GUI will check if a compatible API is present (as per /proc/driver/musb_hdrc), and will notify to user if problems are detected (with hostmode support in whatever is the currently installed kernel).

	Of course a mere update of h-e-n pkg won't magically switch from h-e-n hostmode kernel to power kernel. You have to care for that yourself."		Of course a mere update of h-e-n pkg won't magically switch from h-e-n hostmode kernel to power kernel. You have to care for that yourself."