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Author

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1		-XWiki.Edwin
	1	+XWiki.Xiaoling

Content

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1	1	(% class="wikigeneratedid" %)
2		-**~ Table of Contents:**
	2	+**~ Contents:**
3	3
4	4	{{toc/}}
5	5
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6	6
7	7	= 1. Introduction =
8	8
9		-
10	10	This article shows the firmware upgrade method and troubleshooting for the below models Dragino sensors.
11	11
12	12
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14	14
15	15	== 2.1 LDS01/LWL01 ==
16	16
17		-
18	18	[[Firmware Location>>url:http://www.dragino.com/downloads/index.php?dir=LoRa_End_Node/LDS01/Firmware/]]
19	19
20		-
21	21	(((
22	22	Pin Mapping:
23	23	)))
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27	27	LDS01/LWL01 Pin Mapping
28	28
29	29
30		-**DAP-Link Connection:**
	27	+DAP-Link Connection:
31	31
32	32	[[image:image-20220527083959-2.png]]
33	33
34	34	Connect DAP-Link
	32	+
35	35
36		-
37	37	== 2.2 LDS02/LWL02 ==
38	38
	36	+[[Firmware Location(same as LDS01)>>url:http://www.dragino.com/downloads/index.php?dir=LoRa_End_Node/LDS01/Firmware/]]
39	39
40		-[[Firmware Location(same as LDS01)>>https://www.dropbox.com/sh/9j35mnsxnz0y3ye/AACj5gHGOURGEHCpj-E861Mua?dl=0]]
41		-
42		-
43	43	(((
44	44	Pin Mapping:
45	45	)))
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46	46
47	47	[[image:image-20220527084041-3.png||height="378" width="907"]]
48	48
	44	+LDS02/LDS02 v2.0 Pin Mapping
49	49
50	50
51		-
52		-**LDS02/LDS02 v2.0 Pin Mapping**
53		-
54		-Connector Type: 2.0mm pitch, 2 x 3
55		-
56	56	[[image:image-20220527084230-4.png]]
57	57
58	58	LDS02/LDS02 v2.2 Pin Mapping
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60	60
61	61	== 2.3 LHT52 ==
62	62
	54	+[[Firmware Location>>https://www.dragino.com/downloads/index.php?dir=LoRa_End_Node/LHT52/firmware/]]
63	63
64		-[[Firmware Location>>https://www.dropbox.com/sh/ayxhuf5dihtfu6c/AABRe_suu54EdTSFZIbD7t-ea?dl=0]]
65		-
66	66	[[image:image-20220527084401-5.png]]
67	67
68	68	LHT52 Pin Mapping
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72	72
73	73	== 3.1 Use DAP-Link and Connect to the Device as above photos ==
74	74
75		-
76	76	We need to connect VDD，GND，SWCLK，SWDIO to DAP-Link.
77	77
78	78	* Connection method：
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88	88	[[image:image-20220527084505-6.png]]
89	89
90	90
91		-
92	92	== 3.2 Install PSoCProgrammer 3.27.1 ==
93	93
94		-
95	95	(((
96	96	Download Link: [[PSoCProgrammer3.27.1>>url:https://www.dragino.com/downloads/index.php?dir=tools/]]
97	97	)))
98	98
99	99	(((
100		-And then use PSoCProgrammer to upgrade the firmware ( (% style="color:red" %)**must use this version: PSoCProgrammer3.27.1** (%%))
	87	+And then use PSoCProgrammer to upgrade the firmware (must use this version: PSoCProgrammer3.27.1)
101	101	)))
102	102
103	103	[[image:image-20220527084537-7.png]]
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105	105
106	106	== 3.3 Download Sensor Firmware ==
107	107
	95	+Downlink sensor firmware to prepare the update
108	108
109		-Downlink sensor firmware to prepare the update.
110	110
111		-
112	112	== 3.4 Upgrade Firmware ==
113	113
114		-
115	115	Open PSOC Programmer, select the default configuration, no need to modify
116	116
117	117	[[image:image-20220527084612-8.png]]
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125	125	[[image:image-20220527084739-10.png||height="453" width="1034"]]
126	126
127	127
128		-
129	129	(((
130	130	Click the download icon, and the progress bar as shown in the figure below will appear. When PASS appears, it proves that the burning is successful.
131	131	)))
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135	135
136	136	[[image:image-20220527084907-12.png]]
137	137
138		-
139	139	(((
140		-(% style="color:red" %)**It is very important to press the reset button after the upgrade., this is to set the device to work in Low Power mode.**
	123	+It is very important to press the reset button after the upgrade., this is to set the device to work in Low Power mode
141	141	)))
142	142
143	143	(((
144		-(% style="color:red" %)**If you change different LoRa Frequency Bands/Region, you need using **(% style="color:blue" %)**AT+FDR **(% style="color:red" %)**command to restore factory data after program success.**
	127	+*If you change different LoRa Frequency Bands/Region, you need using AT+FDR command to restore factory data after program success.
	128	+
	129	+
145	145	)))
146	146
147		-
148	148	= 4. Trouble Shooting =
149	149
150	150	== 4.1 Unable to detect upgrade ==
151	151
152		-
153	153	* Try to shot the bootloader pin to GND and reset the device. So the device will runs in bootloader mode.
154		-
155		-* Or use (% style="color:blue" %)**AT+IREBOOT=7**(%%) to set the device to work in bootloader mode.
	137	+* Or use AT+IREBOOT=7 to set the device to work in bootloader mode.