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.**

145

)))

146

147

148

= 4. Trouble Shooting =

149

150

== 4.1 Unable to detect upgrade ==

151

152

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.

Wiki source code of Firmware Upgrade Instruction -- ASR

Applications

Navigation

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
		71	= 3. How to Upgrade =
		72
		73	== 3.1 Use DAP-Link and Connect to the Device as above photos ==
		74
		75
		76	We need to connect VDD，GND，SWCLK，SWDIO to DAP-Link.
		77
		78	* Connection method：
		79
		80	* GND-GND,
		81
		82	* VDD-3.3V,
		83
		84	* SWCLK-CLK,
		85
		86	* SWDIO-SWD
		87
		88	[[image:image-20220527084505-6.png]]
		89
		90
		91
		92	== 3.2 Install PSoCProgrammer 3.27.1 ==
		93
		94
		95	(((
		96	Download Link: [[PSoCProgrammer3.27.1>>url:https://www.dragino.com/downloads/index.php?dir=tools/]]
		97	)))
		98
		99	(((
		100	And then use PSoCProgrammer to upgrade the firmware ( (% style="color:red" %)must use this version: PSoCProgrammer3.27.1 (%%))
		101	)))
		102
		103	[[image:image-20220527084537-7.png]]
		104
		105
		106	== 3.3 Download Sensor Firmware ==
		107
		108
		109	Downlink sensor firmware to prepare the update.
		110
		111
		112	== 3.4 Upgrade Firmware ==
		113
		114
		115	Open PSOC Programmer, select the default configuration, no need to modify
		116
		117	[[image:image-20220527084612-8.png]]
		118
		119
		120	Click the file icon to select the software to be burned：
		121
		122	[[image:image-20220527084705-9.png]]
		123
		124
		125	[[image:image-20220527084739-10.png\|\|height="453" width="1034"]]
		126
		127
		128
		129	(((
		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	)))
		132
		133	[[image:image-20220527084831-11.png]]
		134
		135
		136	[[image:image-20220527084907-12.png]]
		137
		138
		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.
		141	)))
		142
		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.
		145	)))
		146
		147
		148	= 4. Trouble Shooting =
		149
		150	== 4.1 Unable to detect upgrade ==
		151
		152
		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.