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2 2  [[image:image-20240915231842-1.png]]
3 3  
4 4  
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5 5  (% _mstvisible="1" %)
6 -(% _msthash="315238" _msttexthash="18964465" _mstvisible="3" %)**Table of Contents：**
11 +(% _msthash="315238" _msttexthash="18964465" _mstvisible="3" %)**Table of Contents:**
7 7  
8 8  {{toc/}}
9 9  
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18 18  
19 19  == 1.1  What is LTS5 LoRa HMI touch screen ==
20 20  
26 +
21 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 22  
23 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.
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29 29  
30 30  == 1.2  Features ==
31 31  
32 -* ESP32-WROOM MCU + Dragino LA66 LoRa Module
38 +* ESP32-WROOM MCU: 8MB RAM & 16MB ROM
39 +* Dragino LA66 LoRa Module
33 33  * Support Private LoRa protocol or LoRaWAN protocol
34 34  * Support WiFi & BLE wireless protocol
35 35  * 5.0" HMI touch screen
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40 40  * 5V DC power
41 41  * IP Rating: IP52
42 42  
50 +
43 43  == 1.3  Specification ==
44 44  
53 +
45 45  **LoRa**:
46 46  
56 +* Frequency Range: 870 MHz ~~ 960 MHz
57 +* TCXO crystal to ensure RF performance on low temperature
58 +* Maximum Power +22 dBm constant RF output
59 +* High sensitivity: -148 dBm
60 +* LoRa Tx Current: <90 mA at +17 dBm, 108 mA at +22 dBm
61 +* LoRa Rx current: <9 mA
47 47  
48 48  **WiFi:**
49 49  
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69 69  
70 70  == 1.4  Power Consumption ==
71 71  
87 +
72 72  * External 5V DC power adapter
73 73  
90 +
74 74  == 1.5  Storage & Operation Temperature ==
75 75  
93 +
76 76  * Operation Temperature: -20 ~~ 70°C  (No Dew)
77 77  * Storage Temperature: -30 ~~ 70°C  (No Dew)
78 78  
97 +
79 79  == 1.6  Applications ==
80 80  
100 +
81 81  * Smart Buildings & Home Automation
82 82  * Logistics and Supply Chain Management
83 83  * Smart Metering
... ... @@ -85,12 +85,15 @@
85 85  * Smart Cities
86 86  * Smart Factory
87 87  
88 -= 2.  Getting Start with Hello World =
89 89  
109 += 2.  Getting Started with Hello World =
110 +
90 90  == 2.1  About this demo ==
91 91  
92 -In this Getting Start 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 93  
114 +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.
115 +
116 +
94 94  == 2.2  Install Software Running Environment ==
95 95  
96 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.
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97 97  
98 98  === 2.2.1 Install VSCode and ESP-IDF extension ===
99 99  
123 +
100 100  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]].
101 101  
102 102  Next, you need to install the ESP-IDF extension within VSCode. The detailed operation steps are illustrated in image 1.
103 103  
104 -[[image:1727229396732-319.png]]
128 +[[image:image-20240928110211-5.png||height="508" width="866"]]
105 105  
106 106   image 1 ESP-IDF extension install
107 107  
108 108  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]]
109 109  
134 +
110 110  === 2.2.2 Install SquareLine Studio ===
111 111  
137 +
112 112  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]].
113 113  
114 114  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.
115 115  
142 +
116 116  == 2.3 Simple usage of SquareLine Studio and export UI code ==
117 117  
145 +
118 118  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.
119 119  
120 -[[image:1727229550717-684.png]]
148 +[[image:image-20240928103357-2.png||height="680" width="708"]]
121 121  
122 - image 2 create a SquareLine project
150 + image 2 create a SquareLine project
123 123  
124 124  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.
125 125  
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127 127  
128 128   image 3 project settings
129 129  
130 -[[image:1727229618724-758.png]]
158 +[[image:image-20240928105309-4.png||height="526" width="556"]]
131 131  
132 132   image 4 modify project settings
133 133  
134 -Now we can start to use this software. The steps for creating this UI are shown in image 5-10.
162 +Now we can start to use this software. Here are some usage information for this software.
135 135  
136 -[[image:1727229653254-680.png]]
164 +**~1. add widget**
137 137  
138 - image 5 create a UI(1)
166 +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.
139 139  
140 -[[image:1727231038705-173.png]]
168 +[[image:image-20240928111412-6.png||height="526" width="864"]]
141 141  
142 - image 6 create a UI(2)
170 + image 5 add widgets
143 143  
144 -[[image:1727229682537-381.png]]
172 +**2. modify widget**
145 145  
146 - image 7 create a UI(3)
174 +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".
147 147  
148 -We repeat the steps of screen1 in screen2. Then we get screen2 as shown in image 8.
176 +[[image:1727485118799-984.png]]
149 149  
150 -[[image:1727229715361-392.png]]
178 + image 6 the button widget's "Inspector" tab
151 151  
152 - image 8 create a UI(4)
180 +Second part: "Layout" means a auto position-management for widgets contained in the parent widget. "Transform" includes size, position and align modification.
153 153  
154 -Finally, we add click event for screen change to button1 in screen1(shown in image 9) and button2 in screen2.
182 +[[image:1727485251053-655.png]]
155 155  
156 -[[image:1727229740592-843.png]]
184 +image 7 the button widget's "BUTTON" tab
157 157  
158 - image 9 create a UI(5)
186 +Third part: It is an area of style setting.
159 159  
160 -The event settings of button1 are as image 10 shown. The event adding operation of button2 is similar to button1.
188 +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 as shown in image 8, the current screen will fade into another specified screen, and the switching process will last 500ms.
161 161  
162 -[[image:1727229760857-521.png]]
190 +[[image:1727485480434-713.png||height="395" width="290"]]
163 163  
164 - image 10 create a UI(6)
192 + image 8 add event for button
165 165  
194 +**3. change label widget content**
195 +
196 +Modify the content in text as shown in image 9, the text content of label widget will be changed accordingly.
197 +
198 +[[image:image-20240928090825-1.png||height="327" width="391"]]
199 +
200 + image 9 modify text content of label widget
201 +
202 +**4. Add image into project**
203 +
204 +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.
205 +
206 +[[image:image-20240928113424-9.png||height="355" width="505"]]
207 +
208 + image 10 add image file into SquareLine Studio project
209 +
210 +[[image:image-20240928114139-10.png||height="559" width="810"]]
211 +
212 + image 11 use image widget in SquareLine Studio
213 +
214 +**5. The relationship between widgets**
215 +
216 +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.
217 +
218 +[[image:1727486567182-334.png||height="318" width="278"]]
219 +
220 +image 12 move label1 to make label1 widget be a child of button1 widget(1)
221 +
222 +[[image:image-20240928112001-8.png||height="431" width="796"]]
223 +
224 + image 13 move label1 to make label1 widget be a child of button1 widget(2)
225 +
226 +**6. Preview the final effect**
227 +
228 +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.
229 +
230 +[[image:1727487368023-281.png]]
231 +
232 + image 14 click on the triangle icon to start or end the simulation
233 +
234 +For more detailed usage, please visit the official link: [[SquareLine Studio 1.4.2 Documentation ~| SquareLine Studio>>url:https://docs.squareline.io/docs/squareline/]].
235 +
236 +
166 166  == 2.4 Integrate UI Code to ESP-IDF Project ==
167 167  
239 +
168 168  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.
169 169  
170 170  [[image:1727229798126-306.png]]
171 171  
172 - image 11 export UI file
244 + image 15 export UI file
173 173  
174 -[[image:1727229821582-258.png]]
246 +[[image:1727229821582-258.png||height="333" width="662"]]
175 175  
176 - image 12 exported UI file
248 + image 16 exported UI file
177 177  
178 -Create a empty directory entitled ‘ui’ in path “basic_prj/app_components/ui/”, and then copy all UI code exported to this directory.
250 +Create a empty directory entitled "ui" in path "basic_prj/app_components/ui/", and then copy all UI code exported to this directory.
179 179  
180 -[[image:1727229845835-509.png]]
252 +[[image:image-20240928144830-11.png]]
181 181  
182 - image 13 open CMakeLists.txt
254 + image 17 open CMakeLists.txt
183 183  
184 -[[image:1727229892636-154.png]]
256 +[[image:1727229892636-154.png||height="521" width="407"]]
185 185  
186 - image 14 modify CMakeLists.txt
258 + image 18 modify CMakeLists.txt
187 187  
188 188  The last step of integrating is adding two lines of code in main.c file.
189 189  
190 190  [[image:1727229926561-300.png]]
191 191  
192 - image 15 add “ui.h”
264 + image 19 add "ui.h"
193 193  
194 194  [[image:1727229955611-607.png]]
195 195  
196 - image 16 add “ui_init()”
268 + image 20 add "ui_init()"
197 197  
198 -== 2.5 Test Result ==
199 199  
271 +== 2.5 Brief introduction of hello world project ==
272 +
273 +
274 +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.
275 +
276 +
277 +== 2.6 Test Result ==
278 +
279 +
200 200  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.
201 201  
202 -[[image:1727229990795-405.png]]
282 +[[image:1727488067077-684.png||height="402" width="574"]]
203 203  
204 - image 17 screen1
284 + image 21 screen1
205 205  
206 -[[image:1727230012478-930.png]]
286 +[[image:1727488157579-949.png||height="397" width="572"]]
207 207  
208 - image 18 screen2
288 + image 22 screen2
209 209  
290 +
210 210  = 3. Example Project 1: LoRa Central Display =
211 211  
212 212  [[image:image-20240916101737-1.png||height="468" width="683"]]
213 213  
214 214  
215 -
216 216  = 4. Example Project 2: LoRaWAN RS485 Alarm =
217 217  
218 218  
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225 225  
226 226  == 7.1  Part Number ==
227 227  
308 +
228 228  Part Number: (% style="color:#4472c4" %)LTS5
229 229  
230 230  
231 231  == 7.2  Packing Info ==
232 232  
314 +
233 233  **Package Includes**:
234 234  
235 235  * LTS5 HMI Touch Screen
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236 236  * 5V,2A DC Power Adapter.
237 237  * USB Type C Program Cable
238 238  
321 +
239 239  = 8. Support =
240 240  
324 +
241 241  * 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.
242 242  * 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]].
243 243  
328 +
244 244  = 9.  Reference material =
245 245  
331 +
246 246  * Datasheet
247 247  * Source Code
248 248  * Mechinical
249 249  
336 +
250 250  = 10. FCC Warning =
251 251  
252 252  
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