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Let us start building our application.

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The first thing that we need to do is to include all the many drivers if you go to the board support

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package.

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OK, so the recommended driver is GPI, so you just need to add a prefix x and then you have the driver

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for our excited GPI person.

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Great.

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So hash include.

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And then ICS, GPI, you got three.

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Now remember, here we have a multiple instances of where GPI fitting right.

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So we need to initialize product, right?

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So this is the difference that you will be finding when you have multiple instances of the very.

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Right.

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So once you include all the mandatory file, now we go ahead to add that UPI IP again.

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We need to call the config structure and the infrastructure right, so we'll just be finding whether

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we have an initialize function, right?

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So this required just a declaration of an instance structure.

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And we are ready with an initialization rate, so they just go ahead and declare an instant structure.

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OK, so instant structure for.

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The LAPD will be naming it as and when required for the switch instance of any right.

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So once you declared an instance structure, we add a function that could be used to perform an initialization.

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All right.

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So here we will be performing initialization of our code types, right?

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So we have an ex GPI or initialize function that could also be used to perform an initialization.

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So we just need to pass an instance structure and the device idea, right?

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So we go ahead and it does the status of an initialization artillery just mean this as to sell for an

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elderly.

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OK.

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And here for an elderly, the infrastructure is new as an elderly and to final delivery side, you just

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need to go in an experimental hedge fund.

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Now remember, we named our instance of an IPO saying You don't switch now if you just search for an

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elderly, OK?

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We're finding it becomes very easy now to recognize the instance.

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There we have a leader for a specific guy.

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Rachel, then we named it as an early thaw, allegedly deleted information will have an key, right?

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So that helps us to easily recognize the data for the specific instance of an IP.

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So remember this whenever you are working with the multiple instances, obviously you might be named

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the macro adding to the functionality.

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Right.

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So this will perform an initialization for an alleged instance.

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Similar thing that we need to do.

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For the switch, all right, so we just copy this, we need to declare one more variable.

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So let me just declare this to status is for the switch rate again, the same function only thing that

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we need to changes in this structure, which is switch in this case and the device aid if you text parameter

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Dark Age five.

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OK, here we have a device, so we just need to add it over here, right?

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So this dual performance initialization for both switch and an LCD instead, so far, you could say

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GPI right now will verify whether both of them didn't exist two sets of state.

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So status and OK and weight status, it's OK if that is equals to exist.

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Success, so in that case, we could see.

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Device locate device in it.

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Successful.

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OK.

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And we could just mention.

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Device in it fit, right?

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So this complete the process of initialization will just be calling this function in our main application

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rates, so they required in each platform and cleaner platform for and you are right, we'll just be

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removing this.

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OK, now first thing that we do is to set up the correct detection, OK, and then we are ready to work

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around with the lead.

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So we go ahead and look for set data direction.

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OK, so this required the instance structure, China number and the direction that you want to set,

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right?

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So we go ahead, we add this function.

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OK, let it just work for us.

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We then switch incidence rates.

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So instance structure name is switch.

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OK, we have single channel for both types.

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Now we want to set this as an input rate.

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And if you.

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Explore the functionality of the so we know that to set the pain as an input, we need to apply what

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right?

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So we have four switches which are available on board, so we'll just be adding fuel, one that is equivalent

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to effin and hexadecimal.

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Similarly, we'll just be calling centre utilization now for an empty.

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The instant structure will be a lead China leg in this one, and we want to set to be said to be output

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port, so we just need to add a seat.

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So once you correctly set of that addiction rate, we will be reading the status of a switch.

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We already know that there are discrete read returns you 32 will get will just declared one variable.

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Let it just name the let's switch read OK and will be reading the value of a switch at an interval of

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one second.

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So while one.

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So we'll switch read.

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OK, this will be equal to if you go to.

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Todd, GPIO drivers, we have a discreetly OK where we need to specify the correct instance structure,

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so for instance, a tree switch and the channel is great and that is what we will be writing on to any

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lead.

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Okay, so to write the reader, we have a discreet right, OK?

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So there's with three arguments.

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First one is the infrastructure, the foreign, elderly and structure is named as an entity.

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Channel we are utilizing is one, and the data that we want to write is switch read right.

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We'll also be writing this.

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We don't know.

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Consults will be that we verify as we change the status of the switch, whether values are changing

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or not.

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Great.

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So we'll just be mentioning the switch read.

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And let me just bring the value in in decimal format, right?

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And we have our value inside switch read right.

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The last thing that we want to do is to add the necessary.

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So it just wait for the delay of one second, OK, before we put it in the next round.

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OK, so this completes our application code now will just be proceeding and build an entire application

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project, right?

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So once our bill is finished, select an application project, Nebo guys launch on heart rate.

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First thing, as you switch your perspective from design to diva.

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OK, we need to connect to a customer, so just click on this plus button, select the respect you can

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put on which you have your bow and click OK, right?

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So was the assistant.

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You'll just be clicking on this resume button, right?

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So you could see.

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So here we are getting this status as a feel.

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This is because we might have missed the 10 parenthesis, right?

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So let me just say a parenthesis or here also and or here right now, what this will do is this will

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first compute the ending of street to sell and suitcases, and then we'll be comparing it with that

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status, except to say to let it just rebuild our project.

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Right?

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So once you rebuild your project with this modification, you'll be finding that warning that we are

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getting in the previous case is gone.

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OK, now we just disconnect our previous debug configuration, or we just select the DBA configuration,

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right click and then we have a relaunch.

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But right, so this will start the fresh instance of our DBA configuration.

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OK, we already have connected our right to a minute to just be clearing up our console.

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OK, so let me just clear a console.

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OK.

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And then we will be starting to execute.

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Right.

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So you could see device and it is now successful.

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And the value that we read on the switch is zero because all the switches are in off.

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Now I'll try to change the switch value from my MSB to LSV.

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Great, so as soon as I turn on the MSP, switch will be getting the value of it.

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The next one will be getting a value of 12, 14 and last one is 50.

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So you would see how we utilize the multiple instances of GPI benefit.