Firmware Upgrade Instruction -- ASR

(% 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.**

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= 4. Trouble Shooting =

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== 4.1 Unable to detect upgrade ==

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* Try to shot the bootloader pin to GND and reset the device. So the device will runs in bootloader mode.

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* Or use (% style="color:blue" %)**AT+IREBOOT=7**(%%) to set the device to work in bootloader mode.

author	version	line-number	content
		1	(% class="wikigeneratedid" %)
		2	~ Table of Contents:
		3
		4	{{toc/}}
		5
		6
		7	= 1. Introduction =
		8
		9
		10	This article shows the firmware upgrade method and troubleshooting for the below models Dragino sensors.
		11
		12
		13	= 2. Model and Connection =
		14
		15	== 2.1 LDS01/LWL01 ==
		16
		17
		18	[[Firmware Location>>url:http://www.dragino.com/downloads/index.php?dir=LoRa_End_Node/LDS01/Firmware/]]
		19
		20
		21	(((
		22	Pin Mapping:
		23	)))
		24
		25	[[image:image-20220527083845-1.png\|\|height="473" width="915"]]
		26
		27	LDS01/LWL01 Pin Mapping
		28
		29
		30	DAP-Link Connection:
		31
		32	[[image:image-20220527083959-2.png]]
		33
		34	Connect DAP-Link
		35
		36
		37	== 2.2 LDS02/LWL02 ==
		38
		39
		40	[[Firmware Location(same as LDS01)>>https://www.dropbox.com/sh/9j35mnsxnz0y3ye/AACj5gHGOURGEHCpj-E861Mua?dl=0]]
		41
		42
		43	(((
		44	Pin Mapping:
		45	)))
		46
		47	[[image:image-20220527084041-3.png\|\|height="378" width="907"]]
		48
		49
		50
		51
		52	LDS02/LDS02 v2.0 Pin Mapping
		53
		54	Connector Type: 2.0mm pitch, 2 x 3
		55
		56	[[image:image-20220527084230-4.png]]
		57
		58	LDS02/LDS02 v2.2 Pin Mapping
		59
		60
		61	== 2.3 LHT52 ==
		62
		63
		64	[[Firmware Location>>https://www.dropbox.com/sh/ayxhuf5dihtfu6c/AABRe_suu54EdTSFZIbD7t-ea?dl=0]]
		65
		66	[[image:image-20220527084401-5.png]]
		67
		68	LHT52 Pin Mapping
		69
		70	= 3. How to Upgrade =
		71
		72	== 3.1 Use DAP-Link and Connect to the Device as above photos ==
		73
		74
		75	We need to connect VDD，GND，SWCLK，SWDIO to DAP-Link.
		76
		77	* Connection method：
		78
		79	* GND-GND,
		80
		81	* VDD-3.3V,
		82
		83	* SWCLK-CLK,
		84
		85	* SWDIO-SWD
		86
		87	[[image:image-20220527084505-6.png]]
		88
		89
		90
		91	== 3.2 Install PSoCProgrammer 3.27.1 ==
		92
		93
		94	(((
		95	Download Link: [[PSoCProgrammer3.27.1>>url:https://www.dragino.com/downloads/index.php?dir=tools/]]
		96	)))
		97
		98	(((
		99	And then use PSoCProgrammer to upgrade the firmware ( (% style="color:red" %)must use this version: PSoCProgrammer3.27.1 (%%))
		100	)))
		101
		102	[[image:image-20220527084537-7.png]]
		103
		104
		105	== 3.3 Download Sensor Firmware ==
		106
		107
		108	Downlink sensor firmware to prepare the update.
		109
		110
		111	== 3.4 Upgrade Firmware ==
		112
		113
		114	Open PSOC Programmer, select the default configuration, no need to modify
		115
		116	[[image:image-20220527084612-8.png]]
		117
		118
		119	Click the file icon to select the software to be burned：
		120
		121	[[image:image-20220527084705-9.png]]
		122
		123
		124	[[image:image-20220527084739-10.png\|\|height="453" width="1034"]]
		125
		126
		127
		128	(((
		129	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.
		130	)))
		131
		132	[[image:image-20220527084831-11.png]]
		133
		134
		135	[[image:image-20220527084907-12.png]]
		136
		137
		138	(((
		139	(% 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.
		140	)))
		141
		142	(((
		143	(% 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.
		144	)))
		145
		146
		147	= 4. Trouble Shooting =
		148
		149	== 4.1 Unable to detect upgrade ==
		150
		151
		152	* Try to shot the bootloader pin to GND and reset the device. So the device will runs in bootloader mode.
		153
		154	* Or use (% style="color:blue" %)AT+IREBOOT=7(%%) to set the device to work in bootloader mode.

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