I am looking for a weekend project to do and I was wondering if this was possible. I have these radios that are programmed using Telnet (to set the frequencies, output power, etc.) and I normally do this with my computer in the terminal. The radios have an RS-232 connector on them and I use a USB converter to connect to my computer. Having a small, portable device to program them with instead of a big, clunky laptop would be great, so what I am hoping is possible is to be able to create a telnet connection with my iPhone. Is it possible to create a Telnet application for my iPhones that can connect to these radios through the USB/lightning port on the iPhone? I know normally when people write Telnet applications for the iPhone, they are using over the air connections like WiFi/3G/4G to connect to the internet, but this radio is not connected to the internet but its own private network of other radios. If it is possible to connect the iPhone to the RS-232 port and accomplish the Telnet connection (also without frying my iPhone with too much current) that would be fantastic. Also, if it is possible, how would I access the lightning port? Thanks!
EDIT: Another possible connection is the iPhones lightning port to an RJ-45 connection. That would work as well. Is this possible? Thanks!
As far as I know, you can always study the specification of the lightning connector, you can find it here : http://en.wikipedia.org/wiki/Lightning_(connector). You can try to play with the SDK, trying to send commands from the iPhone and receiving information through the cable. The problem of that, and I was working in several medical applications with the 30 pin connector and the lightning as well, is you have to spend a lot of time to deal with the specification. The most important part is to understand how the connector works and what can you send and receive through the cable. If not, you would have to build your own connector, which is interesting and can help to learn a lot, but it´s not an easy thing. In a project I was working, we had to build several cables to adapt the signals to connect with the device, in my case an iPad1 and recently an iPad 4 although it works with the iPhone as well. As you know, or you should, you will have to learn about MFI.
You can find some information regarding that point here : Create an iPad app that can send/receive data via the USB cable?, but bear in mind everything goes through MFI, so it has its pros and cons....most of them cons. You can find several information here : https://developer.apple.com/programs/mfi/
good luck :)
Related
I was wondering if anyone have any ideas of how you could mirror a MacBook desktop on to an iPhone. I'm not looking for an app to install but a way to program it myself. What would be the best approach?
And to clarify, I'm not looking for a way to mirror my iPhone to my computer, but the other way around.
Thanks for any answers you might have
What you are talking about can be achieved in a number of ways. You need a server component running on the MacBook, which vends a video stream of the MacBook display(s) over a suitably secure network connection, and your app on the iPhone behaving as a client to this video stream. VNC (Vertual Network Computing) is the established, open, system for doing this. Conveniently macOS has a built in VNC server (Screen Sharing in the Sharing preference pane), so the server side is already done. Your app will need to implement the VNC client. I suggest you start by looking for existing open source implementations for this functionality, http://cocoapods.org
We have an application which is intended for intranet use. It's not available on the web and we'd prefer to keep it that way.
In house the iPad can connect to the wifi and we can demonstrate the website that way. At a customers is there any way of connecting the iPad to the laptop and showing a website running on IIS off that laptop?
The only way I can think of is by attaching a router to the laptop and running a local network that way, not sure if customers would be entirely comfortable with that
We could also look into some kind of VPN arrangement? It would be so much easier if we could connect the iPad and laptop though
thanks
(Edit) Is Bluetooth a possibility?
I did a huge kludge when I needed something like that. I don't really recommend it because it's annoying, but it works to some level.
Connect your phone to the laptop, sharing the 3G connection via USB.
On the laptop, share that USB connection via WiFi.
Connect the iPad to the laptop's access point (WiFi)
The iPad should now be able to "see" the webserver that runs on your laptop
I want to get data from glucose meter devices by connecting into iPhone or iPad devices. I have different vendors glucose meters some uses simple HID interface for communicate and other uses serial communication.
These are the two possible ways of communication:
USB to 30-Pin connector.
3.5 jack to 30-Pin Connector.
USB or 3.5 jack will be connected to glucose meter and 30 pin connector will be attached with iDevice.
After having hours of research I did not find much help on internet for iOS specific.
I do find ORSSerialPort but I think it is for OS X apps only.
There is RedPark serial Cable but that is for RS232 to 30-Pin communication and secondly that can be only used in internal projects. I want to sell my application on Apple Store.
Someone also was discussing about using IOKit framework. We can communicate with iDevie but that is private framework.
Someone help me with this issue or let me know if that is even possible in iOS application.
Do Apple have any consideration on this type of working?
An iOS device can talk to external devices by following means of communications only:
Wifi
Bluetooth
GPRS &
GSM
USB (Don't exactly know what it is called)
There is no possible way to have RS232 serial port communication with iOS device.
Now What are the options left then?
Get a communication convertor in between your external device & iOS device. It can be
Serial to ethernet adapter
serial to USB adapter etc.
Embedd a wifi/bluetooth module in the external device (If it is being manufactured by you/your firm)
Have something with USB cable & mfi .(Never worked on this, but have seen stuff working with this). By something I meant, register your external device under MFI license & implement USB between devices (Again lack of clarity about USB stuff). Menwhile, I would appreciate edits on my answer by people who might improve it with USB stuff.
Update:
I visited the site of your vendor "glooko". I could not find any clue about them having any libraries for developers. So according to my opinion, they have kept their library private. They don't want you to develop apps based on their communication protocol. If you still need to develop apps for them, contact them here & let them know about your zeal.. M sure they will give you their private code. Anyhow, you don't need to register for any MFI or anything now. What you need is just the code they are using for communication & about that, nobody other than them can help you. So, all the best .. :)
Update 2:
What I understood from your updated question is, you want to create an iOS application that works with various Glucose meters, from different vendors. In a way you can call it as "universal Glucose meter app"
The short and straight answer for this is .."You Can't" . But wait, apple is not responsible for this. Neither it is impossible.
Let me tell you why. When you want your application to talk with a hardware device, there must be a communication channel between you too. You are well aware of those two options available. now, if your app must run on iDevices, the communication channel cables must be registered for mfi. Here that is also not the issue.
What is the issue then?
Different vendons don't generally follow the same communication protocols between their hardware & softwares. What happens if a german commander commands to indian soldier. Obviously, nobody will understand.
So, to achieve your objective, the only way is, you have to include SDK provided by each supported vendors in your app. Let me know if you are not yet clear..:)
There is a device called Lightning Serial Cable, the link is following.Take a look at their SDK.
http://redpark.com/lightning-serial-cable-l2-db9v/
It seems work with your application. I'm also looking for the solution that iOS device can talk to another device via serial port. In PC world, all PC has USB ports, so there is large amount of USB to serial port devices and vendors, such as FTDI and Prolific. I don't know if similar situation happens in iOS world.
Unless you join the Made For iPhone program you can not directly connect anything to an iOS device unless you use Bluetooth or TCP/IP.
I looked around for an answer but couldn't find anything related. My question is if I can connect another device with the iPhone/iPod/iPad via USB. Maybe I would need another device to connect the two, because I don't think this would work out of the box.
I want to write an app which can read out things like the temperature, humidity and other collected data from a device my company developed. You can read it out only by connecting it to the computer at the moment. Also it needs a special driver. I can access the driver's code and every thing else. So my question is if it would be possible to develop such an app and how. Do I have to build another connector or would it work if I connected the device and the iPhone directly via USB.
Another thought is, would it work over a Bluetooth connection? In the future my company has plans to build Bluetooth into their device to make it easier to communicate with other devices.
In an effort to learn more about networking I'd like to do an exercise: write some code on an iPhone and macbook laptop that allows the devices to communicate over HTTP.
How would I set this up in general? I could write a very simple web server as illustrated in Beej's Guide. Then run this and make requests from the phone. Assume the two devices will be on the same wifi network.
In this book you can find an example of how to make a network to connect a Mac OS X app with an iOS app using Bonjour.
http://my.safaribooksonline.com/book/programming/mobile/9780132757058/bonjour-and-web-servers/ch28
Hope this helps you.
Using HTTP between two apps is very inefficient. Use NSNetService and raw sockets.
NSNetService Docs
There is an example project that shows how to setup the service for publishing, connect 2 services, and consume data from a socket connection.