WEBVTT 00:00.210 --> 00:08.700 This is the solution of the previous activity where you have to make the fade in and fade out so we 00:08.700 --> 00:12.180 can actually separate this project into two parts. 00:12.540 --> 00:20.640 First, we need to make sure that we have the index going from zero to 255 and then 255 to zero, and 00:20.640 --> 00:25.090 then we need to set up the idea and use the analog right function. 00:25.410 --> 00:28.520 So I'm going to work first on the two for loops. 00:28.530 --> 00:34.710 We need to do that and make sure we have the correct values using the same monitor for debugging. 00:35.100 --> 00:38.330 And then I'm going to write another great function. 00:38.700 --> 00:42.240 I'm going to remove all of the comments. 00:44.300 --> 00:54.470 And start with the first full loop so far, and then we create an index, it is equal to zero, so we 00:54.470 --> 00:58.430 start at zero and then what is the maximum value we want? 00:58.910 --> 01:01.670 The maximum value we want is 255. 01:01.700 --> 01:07.240 So I is lower are equal than two hundred fifty five. 01:07.670 --> 01:14.940 We could also use a strictly lower than two hundred fifty six and then I placeless. 01:15.430 --> 01:22.550 So the follow up we go from zero to two hundred fifty five increasing by one every time. 01:23.600 --> 01:26.960 OK, that is the first the second for Luke. 01:29.530 --> 01:31.870 So I'd like to get into space. 01:33.050 --> 01:43.430 We're going to start from two hundred fifty five, OK, and we're going to stop at zero, so while I 01:43.670 --> 01:48.430 still greater or equal than zero, we continue. 01:48.440 --> 01:53.090 OK, you can read this as while this is true, we continue. 01:54.110 --> 02:03.730 And then I'm minus minus, which means that we are going to decrements this index every time. 02:04.190 --> 02:09.190 OK, I know the full ups are complete because here you can see we start at zero. 02:09.200 --> 02:15.200 We go to 255 in this one, and then from 255 to zero. 02:16.100 --> 02:22.880 And once we have finished those two follow ups, well, we go out of the void Leupen. 02:22.880 --> 02:26.850 We go in again and we start again at zero. 02:26.870 --> 02:29.630 So there is a continuity with the index here. 02:29.810 --> 02:33.980 I know what I'm going to do is simply print to be sure that we have the correct values. 02:34.310 --> 02:36.700 So surreal that begin. 02:37.590 --> 02:44.690 OK, don't forget that we have nine thousand six hundred but right in the center function and here I'm 02:44.690 --> 02:46.220 going to do say I've got. 02:47.290 --> 02:49.930 Print and then we've I. 02:51.300 --> 02:54.660 And also, there are those prints, Ellen. 02:56.570 --> 03:04.710 We are as well, and as you can see here, we use the same name because this is a different scope. 03:04.730 --> 03:09.020 OK, here the eye viable is local to the folk. 03:09.380 --> 03:17.270 So basically it is contained between those two curly brackets looking this scope and this is in that 03:17.480 --> 03:17.940 scope. 03:17.960 --> 03:21.860 OK, so two different scopes and know what I'm going to do. 03:21.870 --> 03:25.710 I'm going to add delay five. 03:25.910 --> 03:33.050 OK, I'm going to add the delay because if we don't add the delay, it will print very, very fast and 03:33.050 --> 03:34.780 it's not that reliable. 03:35.420 --> 03:37.400 And well, let's try this first round. 03:37.420 --> 03:40.790 So I'm going to compile the code as. 03:42.580 --> 03:44.080 Activity to. 03:46.210 --> 03:47.560 Let's see if we have any. 03:47.590 --> 03:53.910 There are no darn campaigning, so no tools, ball and polls are correct, actually. 03:53.920 --> 03:58.570 Well, just for printing, I'm going to increase this delay a little bit because that's going to be 03:59.140 --> 04:02.300 a little bit too fast just for us to read the value. 04:02.710 --> 04:05.780 So a delay of 15 milliseconds will be good. 04:06.250 --> 04:08.230 I'm going to upload the code now. 04:10.570 --> 04:10.930 Loading. 04:11.080 --> 04:16.030 I'm going to say a monitor and you can see we go from zero. 04:16.540 --> 04:18.040 OK, it's increasing. 04:20.490 --> 04:29.170 A 150, 200 and then 200, you will see 255 and then we decrease the value. 04:29.710 --> 04:39.360 OK, so 100 year we go down and we are approaching zero and you will see here zero. 04:39.360 --> 04:41.820 And then we go up again. 04:42.880 --> 04:48.730 So now we are sure that the index here, the high value that we need for analysis, right. 04:48.920 --> 04:50.620 As the correct behavior. 04:50.830 --> 05:02.260 OK, so wait, we can do now is actually to set up the entity to define energy in 11 in the set of function, 05:02.260 --> 05:09.370 we are going to do in mode with energy in and output. 05:10.420 --> 05:17.680 And in the void now, instead of printing and so we can remove, that's actually going to come and it. 05:21.440 --> 05:26.510 Instead of printing, I we can directly do analog. 05:27.860 --> 05:37.610 Right, we've been and the venue, which we know is going from zero to fifty five here, is going to 05:37.610 --> 05:42.780 get back to Delate five milliseconds and then on the other phone. 05:43.910 --> 05:46.030 Analogue, right? 05:47.900 --> 05:48.090 The. 05:49.160 --> 05:56.030 Dean, I as well could use the same code, but he and I is going from two hundred fifty five to zero 05:56.450 --> 06:02.060 and also the delay pipe and let's run that code. 06:02.920 --> 06:06.770 So now we don't take the same way we directly the energy. 06:07.010 --> 06:14.230 And as you can see, the energy is fading and fading out just like we want it. 06:16.210 --> 06:23.470 So as you could see on this program, sometimes it's easier to break the program, break the project 06:23.680 --> 06:28.670 into different steps and try to validate each step one by one. 06:29.200 --> 06:34.740 Once you validate one step, like we hear with the index, we can go to the next step. 06:35.110 --> 06:40.560 And this way, creating product will be much easier for you and you will make much less errors. 06:41.110 --> 06:42.340 All right, congratulations. 06:42.340 --> 06:47.770 You have just finished this activity and now we are going to look at digital input. 06:47.770 --> 06:48.160 Beenz.