Firmware Upgrade Instruction -- ASR

(% style="color:red" %)If you change different LoRa Frequency Bands/Region, you need using AT+FDR 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 AT+IREBOOT=7 to set the device to work in bootloader mode.

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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)>>url:http://www.dragino.com/downloads/index.php?dir=LoRa_End_Node/LDS01/Firmware/]]
		41
		42
		43	(((
		44	Pin Mapping:
		45	)))
		46
		47	[[image:image-20220527084041-3.png\|\|height="378" width="907"]]
		48
		49	LDS02/LDS02 v2.0 Pin Mapping
		50
		51
		52
		53	[[image:image-20220527084230-4.png]]
		54
		55	LDS02/LDS02 v2.2 Pin Mapping
		56
		57
		58
		59	== 2.3 LHT52 ==
		60
		61
		62	[[Firmware Location>>https://www.dragino.com/downloads/index.php?dir=LoRa_End_Node/LHT52/firmware/]]
		63
		64	[[image:image-20220527084401-5.png]]
		65
		66	LHT52 Pin Mapping
		67
		68
		69	= 3. How to Upgrade =
		70
		71	== 3.1 Use DAP-Link and Connect to the Device as above photos ==
		72
		73
		74	We need to connect VDD，GND，SWCLK，SWDIO to DAP-Link.
		75
		76	* Connection method：
		77
		78	* GND-GND,
		79
		80	* VDD-3.3V,
		81
		82	* SWCLK-CLK,
		83
		84	* SWDIO-SWD
		85
		86	[[image:image-20220527084505-6.png]]
		87
		88
		89	== 3.2 Install PSoCProgrammer 3.27.1 ==
		90
		91
		92	(((
		93	Download Link: [[PSoCProgrammer3.27.1>>url:https://www.dragino.com/downloads/index.php?dir=tools/]]
		94	)))
		95
		96	(((
		97	And then use PSoCProgrammer to upgrade the firmware (must use this version: PSoCProgrammer3.27.1)
		98	)))
		99
		100	[[image:image-20220527084537-7.png]]
		101
		102
		103	== 3.3 Download Sensor Firmware ==
		104
		105
		106	Downlink sensor firmware to prepare the update
		107
		108
		109	== 3.4 Upgrade Firmware ==
		110
		111
		112	Open PSOC Programmer, select the default configuration, no need to modify
		113
		114	[[image:image-20220527084612-8.png]]
		115
		116
		117	Click the file icon to select the software to be burned：
		118
		119	[[image:image-20220527084705-9.png]]
		120
		121
		122	[[image:image-20220527084739-10.png\|\|height="453" width="1034"]]
		123
		124
		125
		126	(((
		127	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.
		128	)))
		129
		130	[[image:image-20220527084831-11.png]]
		131
		132
		133	[[image:image-20220527084907-12.png]]
		134
		135	(((
		136	It is very important to press the reset button after the upgrade., this is to set the device to work in Low Power mode
		137	)))
		138
		139	(((
		140	(% style="color:red" %)If you change different LoRa Frequency Bands/Region, you need using AT+FDR command to restore factory data after program success.
		141
		142
		143	)))
		144
		145	= 4. Trouble Shooting =
		146
		147	== 4.1 Unable to detect upgrade ==
		148
		149
		150	* Try to shot the bootloader pin to GND and reset the device. So the device will runs in bootloader mode.
		151	* Or use AT+IREBOOT=7 to set the device to work in bootloader mode.