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1 -LTS5 LoRa Touch Screen
1 +LTS5 LoRa HMI Touch Screen
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1 -XWiki.Edwin
1 +XWiki.xieby
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1 +
2 +[[image:image-20240915231842-1.png]]
3 +
4 +
5 +(% _mstvisible="1" %)
6 +(% _msthash="315238" _msttexthash="18964465" _mstvisible="3" %)**Table of Contents：**
7 +
8 +{{toc/}}
9 +
10 +
11 +
12 +
13 +
14 +
15 +
16 +
17 += 1.  Introduction =
18 +
19 +== 1.1  What is LTS5 LoRa HMI touch screen ==
20 +
21 +LTS5 is a (% style="color:blue" %)LoRa / LoRaWAN HMI Touch Screen(%%) designed for display purpose of IoT project. It have a 5.0" HMI touch screen, and support WiFi, Bluetooch, LoRa wireless protocol.
22 +
23 +LTS5 is an Open Source software project. The MCU is ESP32 and Dragino LA66 LoRa module. There are lots of development source for ESP32 which can greatly reduce the development time.
24 +
25 +The HMI touch screen of LTS5 supports drap & drop design. Developer can use SquareLine to easily customize the display UI for different application.
26 +
27 +LTS5 use LA66 LoRa module, this module can be program to support private LoRa protocol or LoRaWAN protocol.
28 +
29 +
30 +== 1.2  Features ==
31 +
32 +* ESP32-WROOM MCU + Dragino LA66 LoRa Module
33 +* Support Private LoRa protocol or LoRaWAN protocol
34 +* Support WiFi & BLE wireless protocol
35 +* 5.0" HMI touch screen
36 +* Support LVGL case. SquareLine program.
37 +* Support RS485 Interface
38 +* Open Source Project
39 +* Wall Attachable.
40 +* 5V DC power
41 +* IP Rating: IP52
42 +
43 +== 1.3  Specification ==
44 +
45 +**LoRa**:
46 +
47 +
48 +**WiFi:**
49 +
50 +* 802.11b/g/n
51 +* Up to 150 Mbps data rate in 802.11n mode
52 +* Support A-MPDU and A-MSDU aggregation
53 +* zero point four μ S protection interval
54 +* Working channel center frequency range: 2412~~2484 MHz
55 +
56 +**Bluetooth:**
57 +
58 +* Bluetooth V4.2 BR/EDR and Bluetooth LE standard
59 +* Class-1, Class-2, and Class-3 transmitters.
60 +* AFH
61 +* CVSD and SBC
62 +
63 +**Display:**
64 +
65 +* 5.0 Inch , 800 x 480
66 +* IPS Capacitive Touch SCreen
67 +* RGB color.
68 +* Display Area: 120.7*75.80 mm
69 +
70 +== 1.4  Power Consumption ==
71 +
72 +* External 5V DC power adapter
73 +
74 +== 1.5  Storage & Operation Temperature ==
75 +
76 +* Operation Temperature: -20 ~~ 70°C  (No Dew)
77 +* Storage Temperature: -30 ~~ 70°C  (No Dew)
78 +
79 +== 1.6  Applications ==
80 +
81 +* Smart Buildings & Home Automation
82 +* Logistics and Supply Chain Management
83 +* Smart Metering
84 +* Smart Agriculture
85 +* Smart Cities
86 +* Smart Factory
87 +
88 += 2.  Getting Started with Hello World =
89 +
90 +== 2.1  About this demo ==
91 +
92 +In this Getting Started Example, we will show how to design a simple Display UI and upload it to LTS5. This UI has  a button , when user click the button. The Web UI will jump to a new page.
93 +
94 +== 2.2  Install Software Running Environment ==
95 +
96 +The ESP MCU can be developed using ESP-IDF, Arduino, or MicroPython. For this project, we utilize ESP-IDF for compilation and Visual Studio Code (VSCode) for editing.
97 +
98 +=== 2.2.1 Install VSCode and ESP-IDF extension ===
99 +
100 +Firstly, download and install VSCode for your computer's operating system from the official website: [[Download Visual Studio Code - Mac, Linux, Windows>>url:https://code.visualstudio.com/download]].
101 +
102 +Next, you need to install the ESP-IDF extension within VSCode. The detailed operation steps are illustrated in image 1.
103 +
104 +
105 +[[image:image-20240928110211-5.png||height="508" width="866"]]
106 +
107 + image 1 ESP-IDF extension install
108 +
109 +Links for reference: [[Install ESP32 ESP-IDF on Windows and Integrate with VS code (esp32tutorials.com)>>url:https://esp32tutorials.com/install-esp32-esp-idf-windows-integrate-vs-code/#:~~:text=In%20this%20tutorial,%20we%20will%20show%20you%20how%20to%20install]]
110 +
111 +=== 2.2.2 Install SquareLine Studio ===
112 +
113 +The version we are utilizing for this software is 1.4.2. You can download it from the official link: [[SquareLine Studio - Download the current version of SquareLine Studio>>url:https://squareline.io/downloads#lastRelease]].
114 +
115 +Please note that this software necessitates the registration of a license prior to usage, and various licenses come with distinct limitations. For instance, the free version imposes restrictions such as a limit of 1 component, 150 widgets, and 10 screens. However, for first-time downloads, you are granted unrestricted access for a period of 30 days without the need for immediate registration.
116 +
117 +== 2.3 Simple usage of SquareLine Studio and export UI code ==
118 +
119 +After launching and logging in to this software, create a project as shown in the following image 2. The version of LVGL is 8.3.11.
120 +
121 +
122 +[[image:image-20240928103357-2.png||height="680" width="708"]]
123 +
124 + image 2 create a SquareLine project
125 +
126 +Next, we need to make some settings for this project. By clicking in the specified order on image 3, we can see the page as shown in image 4.
127 +
128 +[[image:1727229582471-566.png]]
129 +
130 + image 3 project settings
131 +
132 +
133 +[[image:image-20240928105309-4.png||height="526" width="556"]]
134 +
135 + image 4 modify project settings
136 +
137 +Now we can start to use this software. Here are some usage information for this software.
138 +
139 +**1.add widget**
140 +
141 +To add a widget, you should click a widget you want to add at the area entitled “Widgets”. In image , demonstrate a add process of label, button, and image 5.
142 +
143 +[[image:image-20240928111412-6.png||height="526" width="864"]]
144 +
145 +
146 + image 5 add widgets
147 +
148 +**2.modify widget**
149 +
150 +The area for modifying widgets is called "Inspector". There are four parts in the "Inspector" tab. We use three of them more frequently, excluding "COMPONENT". The second part is aimed at adjusting the layout, size, position, alignment, flags, and states, etc. of widgets. The name of the second part indicates the type of widget it is representing, and in image 6, it is "BUTTON".
151 +
152 +[[image:1727485118799-984.png]]
153 +
154 + image 6 the button widget's "Inspector" tab
155 +
156 +Second part: "Layout" means a auto position-management for widgets contained in the parent widget. "Transform" includes size, position and align modification.
157 +
158 +[[image:1727485251053-655.png]]
159 +
160 +image 7 the button widget's "BUTTON" tab
161 +
162 +Third part: It is an area of style setting.
163 +
164 +Fourth part: It is an area for adding events. In image 8, it is adding a click event to a button. If the button is clicked after the click event is added, the current screen will fade into another specified screen, and the switching process will last 500ms.
165 +
166 +[[image:1727485480434-713.png||height="395" width="290"]]
167 +
168 +
169 +
170 + image 8 add event for button
171 +
172 +**3.change label widget content**
173 +
174 +Modify the content in text, the text content of label widget will be changed accordingly.
175 +
176 +[[image:image-20240928090825-1.png||height="327" width="391"]]
177 +
178 + image 9 modify text content of label widget
179 +
180 +**4.Add image into project**
181 +
182 +To use the image widget, you should first add an image to your project. The image format must be PNG, and its resolution should not exceed 800x480 pixels. There are two ways to add an image file. One way is to move your image into the folder "…/squareline project/assets/", as shown in image 10. The other way is to click the "ADD FILE INTO ASSETS" button, then select an image from your computer to import. After adding, you can see the image in the "assets" area in SquareLine Studio, as demonstrated in image 11.
183 +
184 +[[image:image-20240928113424-9.png||height="355" width="505"]]
185 +
186 + image 10 add image file into SquareLine Studio project
187 +
188 +[[image:image-20240928114139-10.png||height="559" width="810"]]
189 +
190 + image 11 use image widget in SquareLine Studio
191 +
192 +**5.The relationship between widgets**
193 +
194 +There are two common relationships between widgets: one is parallel, the other is parent-child. The parallel relationship means that widgets' relative position is based on a collective object of reference. In parent-child relationship, the parts of the child object that are outside the boundaries of the parent object are not visible by default. Therefore, we need to adjust the position of the child object so that it falls within the range of the parent object, allowing it to be seen as illustrated in image 13.
195 +
196 +[[image:1727486567182-334.png||height="318" width="278"]]
197 +
198 +image 12 move label1 to make label1 widget be a child of button1 widget(1)
199 +
200 +[[image:image-20240928112001-8.png||height="431" width="796"]]
201 +
202 + image 13 move label1 to make label1 widget be a child of button1 widget(2)
203 +
204 +**6.Preview the final effect**
205 +
206 +An advantage of this kind of software is that you can edit the UI with quick previews. In other words, it provides a way of combining graphical programming with simulation immediately.
207 +
208 +[[image:1727487368023-281.png]]
209 +
210 + image 14 click on the triangle icon to start or end the simulation
211 +
212 +For more detailed usage, please visit the official link: [[SquareLine Studio 1.4.2 Documentation ~| SquareLine Studio>>url:https://docs.squareline.io/docs/squareline/]].
213 +
214 +
215 +== 2.4 Integrate UI Code to ESP-IDF Project ==
216 +
217 +To achieve the integrating, we first need to export the UI code, then make some modifications, and finally relocate the UI code to a specific position within the project.
218 +
219 +[[image:1727229798126-306.png]]
220 +
221 + image 15 export UI file
222 +
223 +[[image:1727229821582-258.png||height="333" width="662"]]
224 +
225 + image 16 exported UI file
226 +
227 +Create a empty directory entitled "ui" in path "basic_prj/app_components/ui/", and then copy all UI code exported to this directory.
228 +
229 +[[image:1727229845835-509.png||height="165" width="582"]]
230 +
231 + image 17 open CMakeLists.txt
232 +
233 +[[image:1727229892636-154.png||height="521" width="407"]]
234 +
235 + image 18 modify CMakeLists.txt
236 +
237 +The last step of integrating is adding two lines of code in main.c file.
238 +
239 +[[image:1727229926561-300.png]]
240 +
241 + image 19 add "ui.h"
242 +
243 +[[image:1727229955611-607.png]]
244 +
245 + image 20 add "ui_init()"
246 +
247 +== 2.5 Brief introduction of hello world project ==
248 +
249 +The project consists of two screens. The first screen displays the company's logo, the project name, and a button to navigate to the next screen. The second screen presents some information about this HMI screen product through an image and includes a button to return to the previous screen.
250 +
251 +(% class="wikigeneratedid" %)
252 +== 2.6 Test Result ==
253 +
254 +By pressing the button lying bottom right, the screen can switch to another as expected. This indicates that the UI file has been successfully integrated into the project and is now effective.
255 +
256 +[[image:1727488067077-684.png||height="402" width="574"]]
257 +
258 + image 21 screen1
259 +
260 +[[image:1727488157579-949.png||height="397" width="572"]]
261 +
262 + image 22 screen2
263 +
264 += 3. Example Project 1: LoRa Central Display =
265 +
266 +[[image:image-20240916101737-1.png||height="468" width="683"]]
267 +
268 +
269 +
270 += 4. Example Project 2: LoRaWAN RS485 Alarm =
271 +
272 +
273 += 6. FAQ =
274 +
275 +== 6.1 ==
276 +
277 +
278 += 7. Order Info =
279 +
280 +== 7.1  Part Number ==
281 +
282 +Part Number: (% style="color:#4472c4" %)LTS5
283 +
284 +
285 +== 7.2  Packing Info ==
286 +
287 +**Package Includes**:
288 +
289 +* LTS5 HMI Touch Screen
290 +* 5V,2A DC Power Adapter.
291 +* USB Type C Program Cable
292 +
293 += 8. Support =
294 +
295 +* Support is provided Monday to Friday, from 09:00 to 18:00 GMT+8. Due to different timezones we cannot offer live support. However, your questions will be answered as soon as possible in the before-mentioned schedule.
296 +* Provide as much information as possible regarding your enquiry (product models, accurately describe your problem and steps to replicate it etc) and send a mail to [[support@dragino.com>>url:file:///D:/市场资料/说明书/LoRa/LT系列/support@dragino.com]].
297 +
298 += 9.  Reference material =
299 +
300 +* Datasheet
301 +* Source Code
302 +* Mechinical
303 +
304 += 10. FCC Warning =
305 +
306 +
307 +This device complies with part 15 of the FCC Rules.Operation is subject to the following two conditions:
308 +
309 +(1) This device may not cause harmful interference;
310 +
311 +(2) this device must accept any interference received,including interference that may cause undesired operation.
312 +
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