Firmware Upgrade Instruction -- ASR

author	version	line-number	content
		1	(% class="wikigeneratedid" %)
		2	~ Contents:
		3
		4	{{toc/}}
		5
		6
		7	= 1. Introduction =
		8
		9	This article shows the firmware upgrade method and troubleshooting for the below models Dragino sensors.
		10
		11
		12	= 2. Model and Connection =
		13
		14	== 2.1 LDS01/LWL01 ==
		15
		16	[[Firmware Location>>url:http://www.dragino.com/downloads/index.php?dir=LoRa_End_Node/LDS01/Firmware/]]
		17
		18	(((
		19	Pin Mapping:
		20	)))
		21
		22	[[image:image-20220527083845-1.png\|\|height="473" width="915"]]
		23
		24	LDS01/LWL01 Pin Mapping
		25
		26
		27	DAP-Link Connection:
		28
		29	[[image:image-20220527083959-2.png]]
		30
		31	Connect DAP-Link
		32
		33
		34	== 2.2 LDS02/LWL02 ==
		35
		36	[[Firmware Location(same as LDS01)>>url:http://www.dragino.com/downloads/index.php?dir=LoRa_End_Node/LDS01/Firmware/]]
		37
		38	(((
		39	Pin Mapping:
		40	)))
		41
		42	[[image:image-20220527084041-3.png\|\|height="378" width="907"]]
		43
		44	LDS02/LDS02 v2.0 Pin Mapping
		45
		46
		47	[[image:image-20220527084230-4.png]]
		48
		49	LDS02/LDS02 v2.2 Pin Mapping
		50
		51
		52	== 2.3 LHT52 ==
		53
		54	[[Firmware Location>>https://www.dragino.com/downloads/index.php?dir=LoRa_End_Node/LHT52/firmware/]]
		55
		56	[[image:image-20220527084401-5.png]]
		57
		58	LHT52 Pin Mapping
		59
		60
		61	= 3. How to Upgrade =
		62
		63	== 3.1 Use DAP-Link and Connect to the Device as above photos ==
		64
		65	We need to connect VDD，GND，SWCLK，SWDIO to DAP-Link.
		66
		67	* Connection method：
		68
		69	* GND-GND,
		70
		71	* VDD-3.3V,
		72
		73	* SWCLK-CLK,
		74
		75	* SWDIO-SWD
		76
		77	[[image:image-20220527084505-6.png]]
		78
		79
		80	== 3.2 Install PSoCProgrammer 3.27.1 ==
		81
		82	(((
		83	Download Link: [[PSoCProgrammer3.27.1>>url:https://www.dragino.com/downloads/index.php?dir=tools/]]
		84	)))
		85
		86	(((
		87	And then use PSoCProgrammer to upgrade the firmware (must use this version: PSoCProgrammer3.27.1)
		88	)))
		89
		90	[[image:image-20220527084537-7.png]]
		91
		92
		93	== 3.3 Download Sensor Firmware ==
		94
		95	Downlink sensor firmware to prepare the update
		96
		97
		98	== 3.4 Upgrade Firmware ==
		99
		100	Open PSOC Programmer, select the default configuration, no need to modify
		101
		102	[[image:image-20220527084612-8.png]]
		103
		104
		105	Click the file icon to select the software to be burned：
		106
		107	[[image:image-20220527084705-9.png]]
		108
		109
		110	[[image:image-20220527084739-10.png\|\|height="453" width="1034"]]
		111
		112
		113	(((
		114	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.
		115	)))
		116
		117	[[image:image-20220527084831-11.png]]
		118
		119	[[image:https://wiki.dragino.com/images/thumb/6/6f/Ppp14.png/600px-Ppp14.png\|\|alt="Ppp14.png" height="338" width="600"]]
		120
		121	(((
		122	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	)))
		124
		125	(((
		126	*If you change different LoRa Frequency Bands/Region, you need using AT+FDR command to restore factory data after program success
		127	)))
		128
		129	= 4. Trouble Shooting =
		130
		131	== 4.1 Unable to detect upgrade ==
		132
		133	* Try to shot the bootloader pin to GND and reset the device. So the device will runs in bootloader mode.
		134	* Or use AT+IREBOOT=7 to set the device to work in bootloader mode.

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