Instructions to demo BLE indoor positioning

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		1	(% class="wikigeneratedid" %)
		2	Table of Contents:
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		4	{{toc/}}
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		9	= 1. Python Examples =
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		11
		12	== Step 1: Configure Python Simulator ==
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		14	* Download and run [[BLE_Positioning.exe>>https://github.com/dragino/TrackerD/tree/main/Example/BLE_Indoor_Positioning_Software/BLE_Positioning]]
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		17	(% style="color:blue" %)Enter the following information：
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		19	(% style="color:#037691" %)Subscribe to topics：(%%)MQTT Subscription Topic of TTN-V3
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		21	Example: v3/litest@ttn/devices/eui-70b3d57ed0058a17/up
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		23	* v3: Unchanging
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		25	* litest@ttn: 'litest' is the ID of the application, '@ttn' unchanging.If you use your own TTN platform, @ ttn doesn't need
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		27	* devices: Unchanging
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		29	* eui-70b3d57ed0058a17: TrackerD End Device ID
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		31	* Up: Unchanging
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		33	(% style="color:#037691" %)server address：(%%)Server address of TTN-V3
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		35	(% style="color:#037691" %)Application ID：(%%)Application ID of TTN-V3
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		37	(% style="color:#037691" %)APIKEY： (%%)APIKEY of your own account
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		40	[[image:image-20221221144423-1.png]]
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		43	[[image:image-20221221144423-2.png\|\|height="534" width="1081"]]
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		46	[[image:image-20221221144423-3.png]]
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		48
		49	== Step 2: Click the save button after writing ==
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		52	[[image:image-20221221144423-4.png]]
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		55	(% style="background-color:yellow" %)Warning:
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		57	(% style="color:red" %)When the save button is pressed, it cannot be pressed again to prevent data confusion.
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		59	(% style="color:red" %)If you want to modify the subscription topic, you need to restart the application.
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		61
		62	== Step 3: Click the location button ==
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		65	Just press once
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		67	[[image:image-20221221144423-5.png]]
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		69
		70	When the BLE node sends information, the application will display the located base station.
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		72
		73	== Step 4: About how to set the base station point and insert the floor plan ==
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		76	Place the floor plan in the same path as the python script
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		78	Change the file name to office_map(The picture pixel is 800x600)
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		80	[[image:image-20221221144423-7.png]]
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		83	(% style="color:blue" %)Open source code
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		85	[[image:image-20221221144423-8.png]]
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		88	(% style="color:blue" %)Remove comments
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		90	[[image:image-20221221144423-9.png]]
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		93	(% style="color:blue" %)Run Script
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		95	The cursor position is the data pointed by the arrow, x=323 y=503
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		97	[[image:image-20221221144423-10.png]]
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		99	cv. create_ Image is changed to (323,483)~-~-(x y-20 above)
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		101	cv. create_ Image is changed to (323,503)~-~--(x y above)
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		103	[[image:image-20221221144423-11.png]]
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		107	After clicking Save, a (% style="color:blue" %)log.txt (%%)will be generated in the same directory as the script
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		109	[[image:image-20221221144423-12.png]]
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		112	[[image:image-20221221144423-13.png\|\|height="176" width="1080"]]
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		115	(% style="color:blue" %)Back to script
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		117	Modify (% style="display:none" %) (%%)the data obtained in (% style="color:blue" %)log.txt(%%) to the script
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		119	(% style="color:#037691" %)“0” Changed to “10006”
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		121	(% style="color:#037691" %)“60245” Changed to “79”
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		123	[[image:image-20221221144423-14.png]]
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		125
		126	== Step 5: Package the py file into an exe ==
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		128
		129	(% style="color:blue" %)Step 1：(%%)Installing the pyinstaller module
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		131	(% style="color:blue" %)Step 2：(%%)Open cmd and switch to the directory where the script is located
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		133	[[image:image-20221221144423-15.png]]
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		136	(% style="color:blue" %)Step 3：(%%)Enter the following command
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		138	[[image:image-20221221144423-16.png]]
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		141	See the following certificate packaging completed.
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		143	[[image:image-20221221144423-17.png]]
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		146	The following files will be generated in the same directory of the script.
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		148	In addition to dist, the other two files can be deleted.
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		150	[[image:image-20221221144423-18.png]]
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		152	(% style="color:blue" %)Finally(%%), put the office_ Map.png and icon.png Put the into the dist folder.
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		154	Just run the program in dist.
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