Re: little question about navigation board
2010-05...@23:31 Christoph Mair > > why to add two more gyroscope sensors (so now we have 4 of them in our FR > > O_O) > The Freerunner has two accelerometers, but no gyroscope. I tough 2 accels + 1 compas could act as gyros... (not the greek similar of the kebab) maybe I have to reopen my physic books ^_^' -- ALFA21 IS PROVIDED "AS IS" AND WITHOUT WARRANTIES OF ANY KIND, EXPRESS OR IMPLIED. ___ Openmoko community mailing list community@lists.openmoko.org http://lists.openmoko.org/mailman/listinfo/community
Re: little question about navigation board
On Sunday 02 May 2010 19:57:02 Alfa21 wrote: > hi, > first of all, congrats for your work :) > > now my question: > why to add two more gyroscope sensors (so now we have 4 of them in our FR > O_O) The Freerunner has two accelerometers, but no gyroscope. > and not just merge a compass to the pressure sensor seen on the wiki I'll think about it. > (and it has also temperature)? The pressur sensor needs to measure the ambient temperature to deliver accurate results. The temperature sensor is integrated and can be read using my driver. Cheers, Christoph ___ Openmoko community mailing list community@lists.openmoko.org http://lists.openmoko.org/mailman/listinfo/community
Re: Detecting 1024 on qtmoko
>> Also... do QtMoko really log to files on flash or have I missed >> something. I would prefer logging to a ramfs like on SHR. > Now it logs to flash. I have been experimenting with this > a little. It's very wanted for next releases... I use the following script: % cat /etc/init.d/syslog-busybox #!/bin/sh ### BEGIN INIT INFO # Provides: sysklogd # Required-Start: $remote_fs $time # Required-Stop:$remote_fs $time # Should-Start: $network # Should-Stop: $network # Default-Start:2 3 4 5 # Default-Stop: 0 1 6 # Short-Description:System logger ### END INIT INFO case "$1" in start ) echo -n "Starting Busybox syslog:" if busybox syslogd -C16; then echo -n " syslogd"; else echo -n " !syslogd!"; fi if busybox klogd; then echo -n " klogd"; else echo -n " !kogd!"; fi echo "." ;; esac % It should be made into a small Debian package, but I haven't spent the time yet to learn how to make such a thing. Stefan ___ Openmoko community mailing list community@lists.openmoko.org http://lists.openmoko.org/mailman/listinfo/community
Re: Introducing the Freerunner Navigation Board
Christoph Mair wrote: > Soldering experience is definitively required. The QFN chips (gyros and > compass) are somewhat difficult to handle, but you can "reflow"-solder > them in a pizza oven. An approach I found quite efficient for occasional DIY of QFN parts on home-made PCBs is to apply a generous amount of flux to the PCB's pads, coat them all with a thin layer of solder, clean up with alcohol, add flux again, place the component, then solder the component's pads one by one while tipping a tiny amount of solder on the traces leading to them. The solder under the pad will liquify and help to make contact. It's not perfect, so you still get all the joy of testing. But it doesn't require anything but the most basic SMT-capable setup, i.e., a soldering iron with a fine tip, solder, flux, and a good desoldering braid. - Werner ___ Openmoko community mailing list community@lists.openmoko.org http://lists.openmoko.org/mailman/listinfo/community
Re: little question about navigation board
On Sun, May 2, 2010 at 9:57 PM, Alfa21 wrote: > hi, > first of all, congrats for your work :) > > now my question: > why to add two more gyroscope sensors (so now we have 4 of them in our FR > O_O) and not just merge a compass to the pressure sensor seen on the wiki > (and it has also temperature)? Freerunner have only two 3g accelerometers, no gyros. > I'm not informed on this topic, so I'm sorry if this question looks stupid :P > -- So long, and thanks for all the fish. ___ Openmoko community mailing list community@lists.openmoko.org http://lists.openmoko.org/mailman/listinfo/community
little question about navigation board
hi, first of all, congrats for your work :) now my question: why to add two more gyroscope sensors (so now we have 4 of them in our FR O_O) and not just merge a compass to the pressure sensor seen on the wiki (and it has also temperature)? I'm not informed on this topic, so I'm sorry if this question looks stupid :P kind regards -- ALFA21 IS PROVIDED "AS IS" AND WITHOUT WARRANTIES OF ANY KIND, EXPRESS OR IMPLIED. ___ Openmoko community mailing list community@lists.openmoko.org http://lists.openmoko.org/mailman/listinfo/community
Re: Introducing the Freerunner Navigation Board
On Sunday 02 May 2010 17:57:49 Stefan Schmidt wrote: > Hello. > > On Sun, 2010-05-02 at 17:42, Christoph Mair wrote: > > Unfortunately the NOR bootloader does not work when both, pressure sensor > > and navigation board, are connected (somebody knows why?). :) > > Wild guess. You are not (ab-)using the H-TP4711 testpad which is pin 32 on > the debug connector? That one is the write protect disable pin for the > NOR. No, during my tests I just connected both devices to the aux-switch (for power) and to to the I2C bus. Then the NOR u-boot did not start when I pressed the aux key (at least it did not enable the display). Disconnecting one of the bus lines (SCL or SDA) or the power supply fixed the problem. I guess this may be because NOR u-boot uses a slower frequency than the linux kernel, but I can't come up with a meaningful expanation for this. I even increased the bus capacitance for one line by adding a 400pF capacitor between SCL and GND. Normally this is the stupiest thing to do, but it "fixed" the NOR u-boot with the tradeoff that Linux did not boot. :P The wiki mentions possible problems (http://wiki.openmoko.org/wiki/I2C#Powering_additional_I2C_devices), but excludes the NOR u-boot. Best regards, Christoph ___ Openmoko community mailing list community@lists.openmoko.org http://lists.openmoko.org/mailman/listinfo/community
Re: Introducing the Freerunner Navigation Board
Hello. On Sun, 2010-05-02 at 17:42, Christoph Mair wrote: > On Sunday 02 May 2010 17:06:55 Dr. H. Nikolaus Schaller wrote: > > But seriously, one Freerunner did go to (inner) space on a research > > rocket (altitude was approx. 100 km): > > > > http://freeyourphone.de/portal_v1/viewtopic.php?f=20&t=1430&p=14569&hilit=d > > lr#p14569 > And a second Freerunner will follow: http://www.mail-archive.com/openmoko- > ker...@lists.openmoko.org/msg10526.html It is actually the same device. :) It just got a nice space-suit and a board with sensors to play with during the trip. ;) http://www.datenfreihafen.org/~stefan/weblog/archives/2010/02/index.html#e2010-02-28T15_40_36.txt http://www.datenfreihafen.org/~stefan/weblog/archives/2010/04/index.html#e2010-04-26T12_30_18.txt > Unfortunately the NOR bootloader does not work when both, pressure sensor and > navigation board, are connected (somebody knows why?). :) Wild guess. You are not (ab-)using the H-TP4711 testpad which is pin 32 on the debug connector? That one is the write protect disable pin for the NOR. regards Stefan Schmidt ___ Openmoko community mailing list community@lists.openmoko.org http://lists.openmoko.org/mailman/listinfo/community
Re: Introducing the Freerunner Navigation Board
On Sunday 02 May 2010 17:06:55 Dr. H. Nikolaus Schaller wrote: > But seriously, one Freerunner did go to (inner) space on a research > rocket (altitude was approx. 100 km): > > http://freeyourphone.de/portal_v1/viewtopic.php?f=20&t=1430&p=14569&hilit=d > lr#p14569 And a second Freerunner will follow: http://www.mail-archive.com/openmoko- ker...@lists.openmoko.org/msg10526.html > I don't know exactly why Christoph & Michele developed this, but I can > imagine some areas (who finds other ones?) what that these sensors > could be used for. You develop new user interfaces (3D gaming :) and > generally improve portable navigation. > > For car navigation, GPS is in most cases sufficient since a car goes > fast enough so that GPS can tell about the direction of movement. But > if you have a handheld device, only a compass and/or gyroscope can > tell that you are rotating the device. While the LIS302 accelerometers > can detect that you shake the device. This gives several new inputs > for gesture recognition. The arena is open for creativity... In fact, inertial navigation was my primary goal. I'd like to use the freerunner to find the right exits within the much underground lines :) Michele wants to do some research on how context aware applications could work on top of this. In general we are very interested to see what the community will do with it. > And, I think one can use the pressure sensor either as a weather > station (during hiking or skiing) - or to get the altitude and detect > ascent/descent better than with GPS. I think all these fine things can > augment and integrate with the GPS system. The pressure sensor was a quick "relax from other developments" project. I like playing with new hardware and this device was rather easy to integrate, but as for now it is a nice addon for the navigation board. Unfortunately the NOR bootloader does not work when both, pressure sensor and navigation board, are connected (somebody knows why?). :) Cheers, Christoph ___ Openmoko community mailing list community@lists.openmoko.org http://lists.openmoko.org/mailman/listinfo/community
Re: Introducing the Freerunner Navigation Board
Am 02.05.2010 um 16:09 schrieb Kosa: > Christoph Mair escribió: >> Dear community, >> >> we are proud to release a hardware extension for our beloved >> Freerunner: a >> navigation board! > > That's amazing! Great work! would you mind to share why did you > developed it? I know it will help and will be used by several > project, > but what's yours? > > As you also developed this > http://wiki.openmoko.org/wiki/I2C_Pressure_Sensor I certanly think the > Neo is going somewhere in the outer space :p Good idea! "free running" into space. Talking to aliens certainly needs open source hard- and software since they have to understand the protocols first :) But seriously, one Freerunner did go to (inner) space on a research rocket (altitude was approx. 100 km): http://freeyourphone.de/portal_v1/viewtopic.php?f=20&t=1430&p=14569&hilit=dlr#p14569 I don't know exactly why Christoph & Michele developed this, but I can imagine some areas (who finds other ones?) what that these sensors could be used for. You develop new user interfaces (3D gaming :) and generally improve portable navigation. For car navigation, GPS is in most cases sufficient since a car goes fast enough so that GPS can tell about the direction of movement. But if you have a handheld device, only a compass and/or gyroscope can tell that you are rotating the device. While the LIS302 accelerometers can detect that you shake the device. This gives several new inputs for gesture recognition. The arena is open for creativity... And, I think one can use the pressure sensor either as a weather station (during hiking or skiing) - or to get the altitude and detect ascent/descent better than with GPS. I think all these fine things can augment and integrate with the GPS system. Nikolaus ___ Openmoko community mailing list community@lists.openmoko.org http://lists.openmoko.org/mailman/listinfo/community
Re: Introducing the Freerunner Navigation Board
Christoph Mair escribió: > Dear community, > > we are proud to release a hardware extension for our beloved Freerunner: a > navigation board! That's amazing! Great work! would you mind to share why did you developed it? I know it will help and will be used by several project, but what's yours? As you also developed this http://wiki.openmoko.org/wiki/I2C_Pressure_Sensor I certanly think the Neo is going somewhere in the outer space :p Cheers! Kosa - Un mundo mejor es posible - ___ Openmoko community mailing list community@lists.openmoko.org http://lists.openmoko.org/mailman/listinfo/community
Re: Introducing the Freerunner Navigation Board
Am Sonntag, den 02.05.2010, 13:54 +0200 schrieb Michele Brocco: > On 5/2/10, Michael 'Mickey' Lauer wrote: > > Congrats! > > > > Will I get a fully assembled one for free if I promise to implement FSO > > DBus APIs? :) > > > Hey Mickey! In fact we planned to ship you one :) So the next one we > will produce is yours. We should keep in touch regarding shipping > information and later the API. > > Cheers > > Michele Splendid! Thanks :) Cheers, Mickey. ___ Openmoko community mailing list community@lists.openmoko.org http://lists.openmoko.org/mailman/listinfo/community
Re: Detecting 1024 on qtmoko
Dne So 1. května 2010 15:38:12 Peter Mogensen napsal(a): > Also... do QtMoko really log to files on flash or have I missed > something. I would prefer logging to a ramfs like on SHR. Now it logs to flash. I have been experimenting with this a little. It's very wanted for next releases... Regards Radek ___ Openmoko community mailing list community@lists.openmoko.org http://lists.openmoko.org/mailman/listinfo/community
[QtMoko] English dictionary
Hi, i have uploaded new application for English dictionary. It's in the QtMoko package feed under name qgcide-eng-dictionary. It uses GCIDE database from this [1] page. The database is downloaded and unpacked to /media/card/.qgcide on first use. It's just quick hack, so you might find some words that are not found correctly. You can give me a tell in this case. Of course it's GPL and source code is here [2]. And screenshot is here [3] Cheers Radek [1] http://rali.iro.umontreal.ca/GCIDE/ [2] http://github.com/radekp/qgcide [3] http://activationrecord.net/radekp/qtmoko/screenshots/qgcide.png ___ Openmoko community mailing list community@lists.openmoko.org http://lists.openmoko.org/mailman/listinfo/community
Re: Introducing the Freerunner Navigation Board
On 5/2/10, Michael 'Mickey' Lauer wrote: > Congrats! > > Will I get a fully assembled one for free if I promise to implement FSO > DBus APIs? :) > Hey Mickey! In fact we planned to ship you one :) So the next one we will produce is yours. We should keep in touch regarding shipping information and later the API. Cheers Michele ___ Openmoko community mailing list community@lists.openmoko.org http://lists.openmoko.org/mailman/listinfo/community
Re: GameRunner distribution
GNUtoo meinte am 01.05.2010 21:33: > On Sat, 2010-05-01 at 17:45 +0200, Frank Meier wrote: >> Hi, >> >> I've tested your distri. >> But for most games I get a only white screen with yellow/green >> fragments. Other games didn't start >> >> Greets >> >> Frank > you used the wrong kernel(the one in rootfs) > you should use the one that should be downloaded separately. > > Denis. Hi, I tested both. But I will test it again with new download ___ Openmoko community mailing list community@lists.openmoko.org http://lists.openmoko.org/mailman/listinfo/community
