I want to send some remote data from a special 802.11 module to an apple Iphone. The distance is line of sight (from a model aircraft). How difficult do you think this would be? I am assuming it involves streaming of data. the data is only every 10 secs or so. I also want to do something for another application similar but with audio (full duplex sampled at around 20kHz). I found these modules http://www.embeddedworks.net/wlan/index.html?gclid=CKueho6t- ZcCFQkzawod1VvT1Q Does the Iphone (the new one) have a free SDK? I am choosing an Iphone rather than a palmtop just for reason of style. Hardy
802.11 Data Transmission
Started by ●January 7, 2009
Reply by ●January 7, 20092009-01-07
HardySpicer <gyansorova@gmail.com> wrote:>I want to send some remote data from a special 802.11 module to an >apple Iphone. >The distance is line of sight (from a model aircraft). How difficult >do you think this would be? I am assuming it involves streaming of >data. the data is only every 10 secs or so. I also want to do >something for another application similar but with audio (full duplex >sampled at around 20kHz).>I found these modules>http://www.embeddedworks.net/wlan/index.html?gclid=CKueho6t- >ZcCFQkzawod1VvT1Q>Does the Iphone (the new one) have a free SDK? I am choosing an Iphone >rather than a palmtop just for reason of style.For the every ten seconds application, you could do a kluge along the lines of having the Model Aircraft send out 802.11 beacons with the desired data embedded somehow in the SSID field. Then some application-layer program could look at the SSID's of available networks, and extract the data. No association, no protocol layer, no digging into the handset's 802.11 implementation. Not a reliable protocol but you don't have to maintain a connection -- just simplex data transmission. Your second application requires more effort, and such a kluge is not sufficient. Steve
Reply by ●January 7, 20092009-01-07
On Jan 7, 1:30�am, HardySpicer <gyansor...@gmail.com> wrote:> I want to send some remote data from a special 802.11 module to an > apple �Iphone. > The distance is line of sight (from a model aircraft). How difficult > do you think this would be? I am assuming it involves streaming of > data. the data is only every 10 secs or so. I also want to do > something for another application similar but with audio (full duplex > sampled at around 20kHz). > > I found these modules > > http://www.embeddedworks.net/wlan/index.html?gclid=CKueho6t- > ZcCFQkzawod1VvT1Q > > Does the Iphone (the new one) have a free SDK? I am choosing an Iphone > rather than a palmtop just for reason of style. > > HardyWhat sort of processing power do you have on the aircraft? You could certainly implement a TCP/IP stack (there are open-source ones available, like uIP and lwIP) on the aircraft's processor, then actually create a TCP or UDP connection to the iPhone to transfer the data. There is an SDK available for the iPhone, but I think it is only available for OS X. Jason
Reply by ●January 7, 20092009-01-07
HardySpicer wrote:> I want to send some remote data from a special 802.11 module to an > apple Iphone. > The distance is line of sight (from a model aircraft). How difficult > do you think this would be?That won't work untill you become a specialist in TCP/IP networking. Vladimir Vassilevsky DSP and Mixed Signal Design Consultant http://www.abvolt.com
Reply by ●January 7, 20092009-01-07
On Wed, 07 Jan 2009 06:44:23 +0000, Steve Pope wrote:> > Your second application requires more effort, and such a kluge is not > sufficient.There's somebody here who knows how to spell kluge!! Hooray!!!!! ;-) Cheers! Rich
Reply by ●January 7, 20092009-01-07
On Jan 8, 3:05�am, cincy...@gmail.com wrote:> On Jan 7, 1:30�am, HardySpicer <gyansor...@gmail.com> wrote: > > > > > I want to send some remote data from a special 802.11 module to an > > apple �Iphone. > > The distance is line of sight (from a model aircraft). How difficult > > do you think this would be? I am assuming it involves streaming of > > data. the data is only every 10 secs or so. I also want to do > > something for another application similar but with audio (full duplex > > sampled at around 20kHz). > > > I found these modules > > >http://www.embeddedworks.net/wlan/index.html?gclid=CKueho6t- > > ZcCFQkzawod1VvT1Q > > > Does the Iphone (the new one) have a free SDK? I am choosing an Iphone > > rather than a palmtop just for reason of style. > > > Hardy > > What sort of processing power do you have on the aircraft? You could > certainly implement a TCP/IP stack (there are open-source ones > available, like uIP and lwIP) on the aircraft's processor, then > actually create a TCP or UDP connection to the iPhone to transfer the > data. There is an SDK available for the iPhone, but I think it is only > available for OS X. > > JasonYes I was downloading it only to find that it works on apples only. There is a fix of sorts that emulates an apple-mac hardware then you can install os x but it sounds a mission. The sdk is free and has lots of examples. I don't want to have to buy an apple-mac, so I may have to do this for a pda instead. http://developer.apple.com/ H.
Reply by ●January 7, 20092009-01-07
On a sunny day (Wed, 7 Jan 2009 11:57:50 -0800 (PST)) it happened HardySpicer <gyansorova@gmail.com> wrote in <94d93014-78a9-4da4-8708-e8f8e0856156@z27g2000prd.googlegroups.com>:>On Jan 8, 3:05�am, cincy...@gmail.com wrote: >> On Jan 7, 1:30�am, HardySpicer <gyansor...@gmail.com> wrote: >> >> >> >> > I want to send some remote data from a special 802.11 module to an >> > apple �Iphone. >> > The distance is line of sight (from a model aircraft). How difficult >> > do you think this would be? I am assuming it involves streaming of >> > data. the data is only every 10 secs or so. I also want to do >> > something for another application similar but with audio (full duplex >> > sampled at around 20kHz). >> >> > I found these modules >> >> >http://www.embeddedworks.net/wlan/index.html?gclid=CKueho6t- >> > ZcCFQkzawod1VvT1Q >> >> > Does the Iphone (the new one) have a free SDK? I am choosing an Iphone >> > rather than a palmtop just for reason of style. >> >> > Hardy >> >> What sort of processing power do you have on the aircraft? You could >> certainly implement a TCP/IP stack (there are open-source ones >> available, like uIP and lwIP) on the aircraft's processor, then >> actually create a TCP or UDP connection to the iPhone to transfer the >> data. There is an SDK available for the iPhone, but I think it is only >> available for OS X. >> >> Jason > >Yes I was downloading it only to find that it works on apples only. >There is a fix of sorts that emulates an apple-mac hardware then you >can install os x but it sounds a mission. The sdk is free and has lots >of examples. I don't want to have to buy an apple-mac, so I may have >to do this for a pda instead. > >http://developer.apple.com/ > >H.It is actually not that difficult to assemble an UDP packet, and send some data. The bad side of UDP is that there is no guaranteed delivery. http://www.fpga4fun.com/10BASE-T.html The hardware is very simple, build that circuit some years ago, a small FPGA will do. http://www.fpga4fun.com/10BASE-T0.html
Reply by ●January 7, 20092009-01-07
On Wed, 07 Jan 2009 18:34:37 GMT, Rich Grise <rich@example.net> wrote:>On Wed, 07 Jan 2009 06:44:23 +0000, Steve Pope wrote: >> >> Your second application requires more effort, and such a kluge is not >> sufficient. > >There's somebody here who knows how to spell kluge!! > >Hooray!!!!! ;-) > >Cheers! >RichThere's a right way? I've seen, over probably thirty years time: kluj - sometimes with an umlaut, which gives it a little class. kludge kluge klooj And probably several others. Is there some formal etymology that favors one over any other? Eric Jacobsen Minister of Algorithms Abineau Communications http://www.ericjacobsen.org Blog: http://www.dsprelated.com/blogs-1/hf/Eric_Jacobsen.php
Reply by ●January 7, 20092009-01-07
On Wed, 07 Jan 2009 14:36:48 -0700, Eric Jacobsen <eric.jacobsen@ieee.org> wrote:>On Wed, 07 Jan 2009 18:34:37 GMT, Rich Grise <rich@example.net> wrote: > >>On Wed, 07 Jan 2009 06:44:23 +0000, Steve Pope wrote: >>> >>> Your second application requires more effort, and such a kluge is not >>> sufficient. >> >>There's somebody here who knows how to spell kluge!! >> >>Hooray!!!!! ;-) >> >>Cheers! >>Rich > >There's a right way? > >I've seen, over probably thirty years time: > >kluj - sometimes with an umlaut, which gives it a little class. >kludge >kluge >klooj > >And probably several others. > >Is there some formal etymology that favors one over any other?http://www.bartleby.com/61/50/K0085000.html
Reply by ●January 7, 20092009-01-07
On Wed, 07 Jan 2009 14:36:48 -0700, Eric Jacobsen wrote:> On Wed, 07 Jan 2009 18:34:37 GMT, Rich Grise <rich@example.net> wrote: >>On Wed, 07 Jan 2009 06:44:23 +0000, Steve Pope wrote: >>> >>> Your second application requires more effort, and such a kluge is not >>> sufficient. >> >>There's somebody here who knows how to spell kluge!! >> >>Hooray!!!!! ;-) > > There's a right way? > > I've seen, over probably thirty years time: > > kluj - sometimes with an umlaut, which gives it a little class. kludge > kluge > klooj > > And probably several others. > > Is there some formal etymology that favors one over any other? >My Mom taught me to read while I was still in diapers, (Yeah, yeah, "Oh, just last year Rich? Har-de-har har.) sitting on her lap. with a book in my lap that she was reading from, pointing out each word as she read it. It was probably mostly imprinting; I don't remember any words until elem. school. Anyway, when I got to reading in school, they were using "phonics", where I learned means "sound it out". So I like words that are spelled the way they sound. It pisses me off no end that they didn't include the schwa in ASCII. >:-{ Anyway, I prefer "clooge" or "klooge" - kluge is OK if you pronounce the "u" right (i.e., long, like the oo in "boot" or "fruit". the 'd' is optional - but it would keep you from pronouncing it "kloozhe". The point is it's a long "oo" sound, and "kludge" rhymes with sludge, drudge, fudge, budge, nudge, etc. The word is KLOOOOOOOOOOge. Hope This Helps! Rich
