Wiki source code of Firmware Upgrade Instruction for STM32 base products

Last modified by Bei Jinggeng on 2024/02/02 11:51

version	line-number	content
38.3	1	Table of Contents:
1.2	2
1.1	3	{{toc/}}
	4
35.2	5
	6
	7
1.2	8	= 1. Introduction =
1.1	9
	10
38.4	11	This instruction shows how to upgrade firmware for Dragino products base on STM32 solution. The upgrade can use 2 hardware connections: (% style="color:blue" %)UART upgrade(%%) or (% style="color:blue" %)ST Link v2 upgrade(%%). Some models supports both methods and some only one of them.
29.2	12
38.4	13
1.2	14	= 2. Hardware Upgrade Method Support List =
1.1	15
36.4	16
57.4	17	(% border="1" style="background-color:#f2f2f2; width:891.222px" %)
57.5	18	\|=(% colspan="3" style="width: 888px;background-color:#D9E2F3;color:#0070C0" %)Dragino STM32 base hardware Upgrade Methods
57.8	19	\|(% style="color:#0070c0; width:284px" %)Model\|(% style="color:#0070c0; width:409px" %)UART Connection\|(% style="color:#0070c0; width:204px" %)ST-Link Connection
39.2	20	\|(% style="width:284px" %)[[LSN50 v1>>url:http://www.dragino.com/products/lora-lorawan-end-node/item/128-lsn50.html]], [[LoRa ST>>url:http://www.dragino.com/products/lora/item/127-lora-st.html]],\|(% style="width:409px" %)Hardware Connect Photo\|(% style="width:204px" %)Hardware Connect Photo
	21	\|(% style="width:284px" %)[[LGT92>>url:http://www.dragino.com/products/lora-lorawan-end-node/item/142-lgt-92.html]], [[LBT1>>url:http://www.dragino.com/products/lora-lorawan-end-node/item/165-lbt1.html]]\|(% style="width:409px" %)×\|(% style="width:204px" %)[[Hardware Connect Photo>>\|\|anchor="H4.1.2LGT922FLBT1ST-Linkv2Connection"]]
	22	\|(% style="width:284px" %)[[LT-33222-L>>url:http://www.dragino.com/products/lora-lorawan-end-node/item/138-lt-33222-l.html]], [[LT-22222>>url:http://www.dragino.com/products/lora-lorawan-end-node/item/156-lt-22222-l.html]]\|(% style="width:409px" %)Hardware Connect Photo\|(% style="width:204px" %)×
	23	\|(% style="width:284px" %)[[LHT65>>url:http://www.dragino.com/products/lora-lorawan-end-node/item/151-lht65.html]]\|(% style="width:409px" %)×\|(% style="width:204px" %)Hardware Connect Photo
	24	\|(% style="width:284px" %)[[RS485-LN>>url:http://www.dragino.com/products/lora-lorawan-end-node/item/154-rs485-ln.html]]\|(% style="width:409px" %)Hardware Connect Photo\|(% style="width:204px" %)×
57.4	25	\|(% style="width:284px" %)[[LSN50v2>>url:http://www.dragino.com/products/lora-lorawan-end-node/item/155-lsn50-v2.html]], [[NBSN95>>url:http://www.dragino.com/products/nb-iot/item/163-nbsn95.html]],[[LSE01>>url:http://www.dragino.com/products/lora-lorawan-end-node/item/159-lse01.html]],[[LDDS20>>url:http://www.dragino.com/products/lora-lorawan-end-node/item/164-ldds20.html]], [[LDS03A>>https://www.dragino.com/products/lorawan-nb-iot-door-sensor-water-leak/item/196-lds03a.html]],[[LDDS75>>url:http://www.dragino.com/products/lora-lorawan-end-node/item/161-ldds75.html]]\|(% style="width:409px" %)[[Hardware Connect Photo>>\|\|anchor="H3.1.2LSN50v22FLSN50v2-D222FLSN50v2-D23"]]\|(% style="width:204px" %)[[Hardware Connect Photo>>\|\|anchor="H4.1.1LSN50v22FLSN50v2-D222FLSN50v2-D23Type"]]
39.2	26	\|(% style="width:284px" %)[[LAQ4>>url:http://www.dragino.com/products/lora-lorawan-end-node/item/174-laq4.html]]\|(% style="width:409px" %)×\|(% style="width:204px" %)[[Hardware Connect Photo>>\|\|anchor="H4.1.3LAQ4ST-Linkv2Connection"]]
	27	\|(% style="width:284px" %)(((
	28	[[RS485-BL>>url:https://www.dragino.com/products/lora-lorawan-end-node/item/167-rs485-bl.html]],
1.1	29
39.2	30	[[LDDS75>>https://www.dragino.com/products/distance-level-sensor/item/161-ldds75.html]],[[LLDS12>>url:https://www.dragino.com/products/distance-level-sensor/item/185-llds12.html]],[[LDDS20>>https://www.dragino.com/products/distance-level-sensor/item/164-ldds20.html]],[[LSE01>>https://www.dragino.com/products/agriculture-weather-station/item/159-lse01.html]],
38.19	31
39.2	32	[[WSC1-L>>https://www.dragino.com/products/agriculture-weather-station/item/206-wsc1-l.html]],[[GroPoint Air>>https://www.dragino.com/products/agriculture-weather-station/item/227-gropoint-air.html]]
	33	)))\|(% style="width:409px" %)[[Hardware Connection Photo>>\|\|anchor="H3.1.3RS485-BL2FLDDS752FLDDS202FLSE01"]]\|(% style="width:204px" %)[[Hardware Connect Photo>>\|\|anchor="H4.1.4RS485-BL2FLDDS752FLDDS202FLSE01"]]
	34	\|(% style="width:284px" %)[[LTC2>>url:https://www.dragino.com/products/temperature-humidity-sensor/item/170-ltc2.html]]\|(% style="width:409px" %)×\|(% style="width:204px" %)[[Hardware Connect Photo>>\|\|anchor="H4.1.5LTC2"]]
38.19	35
1.2	36	= 3. UART Upgrade Guide =
1.1	37
1.2	38	== 3.1 Hardware Connection ==
1.1	39
1.2	40	=== 3.1.1 LSN50 v1 ===
1.1	41
38.5	42
9.2	43	[[image:image-20220526173641-1.png]]
1.1	44
1.2	45	Connection for LSN50 v1
1.1	46
9.2	47
60.1	48	=== 3.1.2 LSN50 v2/LSN50v2-D22/LSN50v2-D23/LSN50v2-S31B ===
1.1	49
38.6	50
60.1	51	[[image:image-20220526173751-3.png\|\|height="467" width="966"]]a
1.1	52
60.1	53	[[image:image-20240201094036-1.jpeg\|\|height="662" width="951"]]
	54
1.2	55	Connection for LSN50 Type V2
1.1	56
11.2	57
1.2	58	=== 3.1.3 RS485-BL/LDDS75/LDDS20/LSE01 ===
1.1	59
38.6	60
25.2	61	[[image:image-20220526174856-17.png\|\|height="629" width="976"]]
1.2	62
	63	Connection for RS485-BL base mother board
	64
38.6	65
38.7	66	(% style="color:#4472c4" %) For UART Update, need:
1.2	67
52.2	68	* Connect USB-TTL TXD <~-~-> Device UART_RX
57.8	69
52.2	70	* Connect USB-TTL RXD <~-~-> Device UART_TX
57.8	71
52.2	72	* Connect USB-TTL GND <~-~-> Device GND
57.8	73
52.2	74	* Put Switch SW1 to ISP position
57.8	75
52.2	76	* Connect JP2 jumper (Yellow one), so device is power on.
1.2	77
	78	== 3.2 Upgrade Steps ==
	79
38.6	80
3.2	81	(((
38.6	82	(% style="color:blue" %)Step 1:(%%) Download [[Flash Loader>>url:https://www.st.com/content/st_com/en/products/development-tools/software-development-tools/stm32-software-development-tools/stm32-programmers/flasher-stm32.html]].
3.2	83	)))
1.2	84
3.2	85	(((
38.6	86	(% style="color:blue" %)Step 2:(%%) Download the Image files, which can be found in the product user manual.
3.2	87	)))
1.2	88
3.2	89	(((
38.6	90	(% style="color:blue" %)Step 3:(%%) Open Flashloader; choose the correct COM port to update, Please notice that the serial setting must follow below photos.
3.2	91	)))
1.2	92
3.2	93	(((
38.7	94	(% style="color:blue" %)Step 4: (%%)Set The device into (% style="color:#037691" %)ISP Mode(%%). Then Press the (% style="color:#037691" %)Reset Button(%%), In the Flash tool, click next and the tool will detect the board type.
1.2	95
38.6	96
39.3	97	(% style="color:red" %)Note: ISP Mode can be a switch or a button, depends on the product. The device only need to be in ISP mode when press the reset button for UART Upgrade. So if the device is of a button type ISP mode, user can release the ISP button after press the reset button.
39.2	98
	99
3.2	100	)))
1.2	101
18.2	102	[[image:image-20220526174302-11.png]]
1.2	103
	104	UART Upgrade
	105
	106
18.2	107	[[image:image-20220526174231-10.png]]
	108
1.2	109	UART Upgrade
	110
	111
18.2	112	[[image:image-20220526174202-9.png]]
	113
5.6	114	(((
1.2	115	UART Upgrade
35.4	116
	117
5.6	118	)))
1.2	119
3.2	120	(((
38.6	121	(% style="color:blue" %)Step 5:(%%) For switch type ISP Mode, After upgrade,please remember to switch back to Flash mode and press RESET Button to run the firmware.
3.2	122	)))
1.2	123
3.2	124	(((
38.6	125	(% style="color:blue" %)Step 6:(%%) Always run AT+FDR after update firmware. This is to reset the device to factory settings of the new firmware.
3.2	126	)))
1.2	127
57.2	128
1.2	129	== 3.3 Trouble shooting ==
	130
	131	=== 3.3.1 General Check List ===
	132
38.8	133
57.9	134	~1. Double check if follow up exactly the steps as manual.
57.8	135
57.9	136	2. Check if hardware works fine:
57.8	137
57.9	138	* check if AT command works, in both TX/RX
	139	* check if the device are in upgrade mode, see product manual for upgrade mode indicator.
	140	* check if reset button works
57.8	141
57.9	142	3. If you use Windows10 system. Please change the flash loader to run in Windows7 compatibility mode.
57.8	143
57.9	144	4. We see a case the FT232 USB TTL adapter has reliability issue with the PC USB chipset(Intel). In this case, even above, it still has serious reliability issue for uploading. If this happen, change a PC or change a USB to TTL adapter will solve.
57.8	145
	146
1.2	147	== 3.4 Flash Loader ~-~- Unable to Load data from this file ==
	148
38.9	149
18.2	150	[[image:image-20220526174137-8.png]]
1.2	151
5.5	152	(((
1.2	153	Unable to Load data from this file
38.9	154
	155
5.5	156	)))
1.2	157
3.2	158	(((
	159	The previous LSN50 firmware file is stored in github. If user use right click ~-~-> Save As to get the hex file. This error will happen. Now the LSN50 firmware file has been moved to [[LSN50 Firmware>>url:http://www.dragino.com/downloads/index.php?dir=LSN50-LoRaST/Firmware/]] to avoid this happen.
	160	)))
1.2	161
57.2	162
1.2	163	== 3.5 Alternative method to flash via UART ==
	164
38.9	165
1.2	166	[[Alternative method to flash STM32 via UART.pdf>>url:http://www.dragino.com/downloads/index.php?dir=LSN50-LoRaST/Utility/&file=Alternative%20method%20to%20flash%20STM32%20via%20UART.pdf]]
	167
	168
	169	= 4. ST-Link v2 Upgrade =
	170
	171	== 4.1 Hardware Connections ==
	172
	173	=== 4.1.1 LSN50 v2/LSN50v2-D22/LSN50v2-D23 Type ===
	174
38.9	175
25.2	176	[[image:image-20220526174450-12.png\|\|height="570" width="1162"]]
1.2	177
	178	ST-Link Connections for LSn50 V2/LSN50v2-D22/LSN50v2-D23 Type
	179
	180
	181	=== 4.1.2 LGT92/LBT1 ST-Link v2 Connection ===
	182
38.10	183
22.2	184	[[image:image-20220526174518-13.png]]
1.2	185
38.10	186
52.2	187	Connection to (% style="color:blue" %)LGT92(%%)
1.2	188
52.2	189	* ST-LINK v2 5.0v <~-~-> Dupont Cable red pin
57.8	190
52.2	191	* ST-LINK v2 GND <~-~-> Dupont Cable black pin
57.8	192
52.2	193	* ST-LINK v2 SWCLK <~-~-> Dupont Cable green pin
57.8	194
52.2	195	* ST-LINK v2 SWDIO <~-~-> Dupont Cable white pin
1.2	196
	197	=== 4.1.3 LAQ4 ST-Link v2 Connection ===
	198
38.12	199
25.2	200	[[image:image-20220526174602-14.png\|\|height="506" width="922"]]
1.2	201
	202	Connection to LAQ4
	203
	204
	205	=== 4.1.4 RS485-BL/LDDS75/LDDS20/LSE01 ===
	206
38.12	207
50.1	208	[[image:image-20230306115123-4.png]]
1.2	209
	210	Connection for RS485-BL base mother board
	211
38.12	212
52.2	213	When use (% style="color:blue" %)ST-Link v2(%%) to update, need:
1.2	214
57.3	215	* ST-LINK v2 RESET <~-~-> NRST
57.8	216
57.3	217	* ST-LINK v2 GND <~-~-> GND
57.8	218
57.3	219	* ST-LINK v2 SWCLK <~-~-> SWCLK
57.8	220
57.3	221	* ST-LINK v2 SWDIO <~-~-> SWDIO
57.8	222
57.3	223	* ST-LINK (VDD 3.3v,pin19) <~-~-> ST-LINK (TVCC ,pin1) a wire to connect two pins of ST-Link together.
1.2	224
	225	=== 4.1.5 LTC2 ===
	226
38.13	227
50.1	228	[[image:image-20230306112740-2.png]]
1.2	229
	230	Connection for LTC2 base mother board
	231
38.13	232
39.2	233	Connection:
1.2	234
52.2	235	* ST-LINK v2 GND <~-~-> LTC2 GND
57.8	236
52.2	237	* ST-LINK v2 RESET <~-~-> LTC2 NRST
57.8	238
52.2	239	* ST-LINK v2 SWCLK <~-~-> LTC2 SWCLK
57.8	240
52.2	241	* ST-LINK v2 SWDIO <~-~-> LTC2 SWDIO
57.8	242
52.2	243	* ST-LINK (VDD 3.3v,pin19) <~-~-> ST-LINK (TVCC ,pin1) a wire to connect two pins of ST-Link together.
1.2	244
51.1	245	= 4.2. Firmware upgrade using STM32 Cubeprogramer =
50.2	246
62.1	247	(% style="color:blue" %)Step1: (%%)download [[STM32 Cubeprogramer>>https://www.st.com/en/development-tools/stm32cubeprog.html#get-software]]
1.2	248
62.1	249	(% style="color:blue" %)Step2:(%%) Place the button on the base plate at the ISP and press the reset button
38.14	250
62.1	251	[[image:image-20240202115041-1.png\|\|height="303" width="590"]]
58.1	252
62.1	253	(% style="color:blue" %)Step3:(%%) Enter the download interface
	254
51.1	255	[[image:image-20230222160658-1.png\|\|height="479" width="827"]]
1.2	256
	257
62.1	258	(% style="color:blue" %)Step4:(%%) Connect serial port correctly and select UART/ST-LINK
1.2	259
51.1	260	[[image:image-20230222160847-2.png\|\|height="481" width="830"]]
1.2	261
	262
62.1	263	(% style="color:blue" %)Step5: (%%)Select the file to download
1.2	264
51.1	265	[[image:image-20230222160947-3.png\|\|height="473" width="818"]]
1.2	266
28.2	267
62.1	268	(% style="color:blue" %)Step6: (%%)Click to start programming, and wait for it to download to 100%, pop up a successful download box
1.2	269
51.1	270	[[image:image-20230222161119-4.png\|\|height="476" width="821"]]
39.3	271
1.2	272
	273	== 4.3 Trouble Shootings ==
	274
	275	=== 4.3.1 ST-Link v2 can not detect the hardware ===
	276
35.16	277
29.2	278	(% style="color:#4f81bd" %)Possible Issue 1:
1.2	279
	280	1. Make sure see the LED blink on the ST-Link and release the reset button during blinking.
	281
29.2	282	(% style="color:#4f81bd" %)Possible Issue 2:
1.2	283
	284	1. There are different version ST-Link v2. The white one as below is the most stable and recommended one.
57.8	285
45.2	286	1. The white version ST-Link v2 such as below photo has different hardware version. The original one doesn't have 3.3v on pin 1/2 and the clone one has 3.3v on pin 1/2. User has to short pin19 (VDD 3.3v) and pin 1/2 (TVCC) for the original one so pin 1/2 has 3.3v power. Otherwise, the original one might have problem to upload firmware to End Node.
1.2	287
28.2	288	[[image:image-20220526175418-21.png]]
1.2	289
	290	ST-Link upload issue
	291
	292
29.2	293	(% style="color:#4f81bd" %)Possible Issue 3:
1.2	294
	295	1. The ST-Link adapter has issue in the RESET pin. this happens for the LHT65 model where the update request use the reset pin of ST-Link.We see this issue happen in below ST-LINK.
	296
29.2	297	[[image:image-20220526175708-22.png]]
1.2	298
5.2	299	(((
1.2	300	RESET pin not function
5.2	301	)))
1.2	302
5.2	303
	304	(((
1.2	305	User can try to mannual reset when use this type of ST-Link, touch the reset pin to GND pin and click the global icon in the ST Utility, If the other 3 wire connection is fine, the ST-LInk adapter LED will blink. and then release the reset. The IC should be detected.
3.2	306	)))
5.2	307
	308	(((
1.2	309	For LHT65 we recommend to use the white one show in possible issue 2.
5.2	310	)))
1.2	311
5.2	312	(((
45.2	313	For LGT92, if user use this type of ST-Link, please also connect the 5v to USB port of LGT92.
5.2	314	)))
1.2	315
	316
	317	=== 4.3.2 ST-Link v2 detect the hardware but disconnect after click OK ===
	318
35.10	319
56.1	320	[[image:image-20230329155923-2.png]]
1.2	321
	322	Do not click OK, click Cancel
	323
31.2	324
1.2	325	=== 4.3.3 Old ST-LINK firmware/ST-LINK already use and USB communication error ===
	326
38.16	327
3.2	328	(((
1.2	329	It may be that your stlink firmware is too old.
3.2	330	)))
1.2	331
3.2	332	(((
1.2	333	You can try these steps:
3.2	334	)))
1.2	335
3.2	336	(((
1.2	337	You unplug the stlink, and then plug in the stlink again.
3.2	338	)))
1.2	339
3.2	340	(((
45.2	341	You click ST-LINK -> Firmware update.
3.2	342	)))
1.2	343
31.2	344	[[image:image-20220526175855-24.png]]
1.2	345
38.16	346	(% style="color:blue" %)step1: (%%) click Device connect.
1.2	347
	348
38.16	349
33.2	350	[[image:image-20220526175954-25.png]]
4.1	351
33.2	352	[[image:image-20220526180013-26.png]]
	353
38.16	354	(% style="color:blue" %)step2: (%%) Click yes to upgrade successfully.
44.1	355
	356
51.1	357	== 5. Other Method ==
45.2	358
52.2	359
52.1	360	ST-Link v2 Upgrade Guide
45.2	361
52.1	362
51.1	363	(((
	364	(% style="color:blue" %)Step 1:(%%) Install [[ST-LINK driver>>url:https://www.stmicroelectronics.com.cn/content/st_com/en/products/development-tools/software-development-tools/stm32-software-development-tools/stm32-utilities/stsw-link009.html]] first and then install [[ST-LINK Utility>>url:https://www.st.com/content/st_com/en/products/development-tools/software-development-tools/stm32-software-development-tools/stm32-programmers/stsw-link004.html]]
	365	)))
44.1	366
51.1	367	(((
	368	(% style="color:blue" %)Step 2: (%%)Download the Image files, firmware download link can be found on the product user manual.
	369	)))
44.1	370
51.1	371	(((
	372	(% style="color:blue" %)Step 3:(%%) Open ST-LINK utility, file ~-~-> open file to select the image to be upgraded.
	373	)))
44.1	374
51.1	375	(((
	376	(% style="color:blue" %)Step 4:
	377	)))
44.1	378
51.1	379	* Case 1: If your board has the Reset pin connect to St-Link ((for example: LSN50v2, LHT65, LAQ4), click the blue global “settings” button on ST-LINK.
57.8	380
51.1	381	* Case 2: If your board doesn't have reset pin connect to ST-Link, but has a reset button (for example: LGT92). Keep pushing the small reset button on LGT92 and then click the blue global “settings” button on ST-Link utility.
44.1	382
51.1	383	[[image:image-20220526175243-19.png]]
44.1	384
51.1	385	Click Global Icon
44.1	386
	387
57.2	388	(% style="color:blue" %)Step 5(%%): Please select the mode as Connect under reset. After click the Global ICon in Step4, The led on the ST-LINK v2 adapter will now blinks, if you use hand to press the reset button , you need to release the reset button when see the LED blinks, and the ST-Link will detect the STM32 hardware as below. Click cancel to enter next step. Please check hardware connection if ST-Link v2 LED doesn't blink.
44.1	389
45.2	390
56.1	391	[[image:image-20230329155929-3.png]]
51.1	392
	393	Do not click OK, click Cancel
	394
	395
	396	(% style="color:blue" %)Step 6:(%%) Click verify/upgrade firmware. The ST-Link utility will pop up a download window. Click the start button to download the image to Device.
	397
	398	[[image:image-20220701171857-1.png]]
	399
	400	ST-Link v2 Upgrade
	401

Wiki source code of Firmware Upgrade Instruction for STM32 base products

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