Changes for page LT-22222-L -- LoRa I/O Controller User Manual
Last modified by Saxer Lin on 2025/04/15 17:24
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... ... @@ -41,48 +41,122 @@ 41 41 42 42 ((( 43 43 [[image:1653295757274-912.png]] 44 + 45 + 44 44 ))) 45 45 46 46 == 1.2 Specifications == 47 47 50 +((( 48 48 **Hardware System:** 52 +))) 49 49 50 -* STM32L072CZT6 MCU 51 -* SX1276/78 Wireless Chip 52 -* Power Consumption: 53 -** Idle: 4mA@12v 54 -** 20dB Transmit: 34mA@12v 54 +* ((( 55 +STM32L072CZT6 MCU 56 +))) 57 +* ((( 58 +SX1276/78 Wireless Chip 59 +))) 60 +* ((( 61 +((( 62 +Power Consumption: 63 +))) 55 55 65 +* ((( 66 +Idle: 4mA@12v 67 +))) 68 +* ((( 69 +20dB Transmit: 34mA@12v 70 +))) 71 +))) 72 + 73 +((( 56 56 **Interface for Model: LT22222-L:** 75 +))) 57 57 58 -* 2 x Digital dual direction Input (Detect High/Low signal, Max: 50v, or 220v with optional external resistor) 59 -* 2 x Digital Output (NPN output. Max pull up voltage 36V,450mA) 60 -* 2 x Relay Output (5A@250VAC / 30VDC) 61 -* 2 x 0~~20mA Analog Input (res:0.01mA) 62 -* 2 x 0~~30V Analog Input (res:0.01v) 63 -* Power Input 7~~ 24V DC. 77 +* ((( 78 +2 x Digital dual direction Input (Detect High/Low signal, Max: 50v, or 220v with optional external resistor) 79 +))) 80 +* ((( 81 +2 x Digital Output (NPN output. Max pull up voltage 36V,450mA) 82 +))) 83 +* ((( 84 +2 x Relay Output (5A@250VAC / 30VDC) 85 +))) 86 +* ((( 87 +2 x 0~~20mA Analog Input (res:0.01mA) 88 +))) 89 +* ((( 90 +2 x 0~~30V Analog Input (res:0.01v) 91 +))) 92 +* ((( 93 +Power Input 7~~ 24V DC. 94 +))) 64 64 96 +((( 65 65 **LoRa Spec:** 98 +))) 66 66 67 -* Frequency Range: 68 -** Band 1 (HF): 862 ~~ 1020 Mhz 69 -** Band 2 (LF): 410 ~~ 528 Mhz 70 -* 168 dB maximum link budget. 71 -* +20 dBm - 100 mW constant RF output vs. 72 -* +14 dBm high efficiency PA. 73 -* Programmable bit rate up to 300 kbps. 74 -* High sensitivity: down to -148 dBm. 75 -* Bullet-proof front end: IIP3 = -12.5 dBm. 76 -* Excellent blocking immunity. 77 -* Low RX current of 10.3 mA, 200 nA register retention. 78 -* Fully integrated synthesizer with a resolution of 61 Hz. 79 -* FSK, GFSK, MSK, GMSK, LoRaTM and OOK modulation. 80 -* Built-in bit synchronizer for clock recovery. 81 -* Preamble detection. 82 -* 127 dB Dynamic Range RSSI. 83 -* Automatic RF Sense and CAD with ultra-fast AFC. 84 -* Packet engine up to 256 bytes with CRC. 100 +* ((( 101 +((( 102 +Frequency Range: 103 +))) 85 85 105 +* ((( 106 +Band 1 (HF): 862 ~~ 1020 Mhz 107 +))) 108 +* ((( 109 +Band 2 (LF): 410 ~~ 528 Mhz 110 +))) 111 +))) 112 +* ((( 113 +168 dB maximum link budget. 114 +))) 115 +* ((( 116 ++20 dBm - 100 mW constant RF output vs. 117 +))) 118 +* ((( 119 ++14 dBm high efficiency PA. 120 +))) 121 +* ((( 122 +Programmable bit rate up to 300 kbps. 123 +))) 124 +* ((( 125 +High sensitivity: down to -148 dBm. 126 +))) 127 +* ((( 128 +Bullet-proof front end: IIP3 = -12.5 dBm. 129 +))) 130 +* ((( 131 +Excellent blocking immunity. 132 +))) 133 +* ((( 134 +Low RX current of 10.3 mA, 200 nA register retention. 135 +))) 136 +* ((( 137 +Fully integrated synthesizer with a resolution of 61 Hz. 138 +))) 139 +* ((( 140 +FSK, GFSK, MSK, GMSK, LoRaTM and OOK modulation. 141 +))) 142 +* ((( 143 +Built-in bit synchronizer for clock recovery. 144 +))) 145 +* ((( 146 +Preamble detection. 147 +))) 148 +* ((( 149 +127 dB Dynamic Range RSSI. 150 +))) 151 +* ((( 152 +Automatic RF Sense and CAD with ultra-fast AFC. 153 +))) 154 +* ((( 155 +Packet engine up to 256 bytes with CRC. 156 + 157 + 158 +))) 159 + 86 86 == 1.3 Features == 87 87 88 88 * LoRaWAN Class A & Class C protocol ... ... @@ -93,6 +93,7 @@ 93 93 * Firmware upgradable via program port 94 94 * Counting 95 95 170 + 96 96 == 1.4 Applications == 97 97 98 98 * Smart Buildings & Home Automation ... ... @@ -102,6 +102,7 @@ 102 102 * Smart Cities 103 103 * Smart Factory 104 104 180 + 105 105 == 1.5 Hardware Variants == 106 106 107 107 (% border="1" style="background-color:#f7faff; width:500px" %) ... ... @@ -115,6 +115,8 @@ 115 115 * 1 x Counting Port 116 116 ))) 117 117 194 + 195 + 118 118 = 2. Power ON Device = 119 119 120 120 The LT controller can be powered by 7 ~~ 24V DC power source. Connect VIN to Power Input V+ and GND to power input V- to power the LT controller. ... ... @@ -125,21 +125,29 @@ 125 125 126 126 [[image:1653297104069-180.png]] 127 127 206 + 128 128 = 3. Operation Mode = 129 129 130 130 == 3.1 How it works? == 131 131 211 +((( 132 132 The LT is configured as LoRaWAN OTAA Class C mode by default. It has OTAA keys to join network. To connect a local LoRaWAN network, user just need to input the OTAA keys in the network server and power on the LT. It will auto join the network via OTAA. For LT-22222-L, the LED will show the Join status: After power on **TX LED** will fast blink 5 times, LT-22222-L will enter working mode and start to JOIN LoRaWAN network. **TX LED** will be on for 5 seconds after joined in network. When there is message from server, the **RX LED** will be on for 1 second. 213 +))) 133 133 134 -In case user can’t set the OTAA keys in the network server and has to use the existing keys from server. User can [[use AT Command>>path:http://8.211.40.43/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/#H4.UseATCommand]] to set the keys in the devices. 215 +((( 216 +In case user can’t set the OTAA keys in the network server and has to use the existing keys from server. User can [[use AT Command>>||anchor="H4.UseATCommand"]] to set the keys in the devices. 135 135 136 -3.2 Example to join LoRaWAN network 218 + 219 +))) 137 137 221 +== 3.2 Example to join LoRaWAN network == 222 + 223 +((( 138 138 This chapter shows an example for how to join the TTN LoRaWAN Network. Below is the network structure, we use our LG308 as LoRaWAN gateway here. 225 +))) 139 139 140 140 [[image:image-20220523172350-1.png||height="266" width="864"]] 141 141 142 - 143 143 ((( 144 144 The LG308 is already set to connect to [[TTN network >>url:https://www.thethingsnetwork.org/]]. So what we need to do now is only configure register this device to TTN: 145 145 ))) ... ... @@ -160,10 +160,12 @@ 160 160 161 161 [[image:1653297955910-247.png||height="321" width="716"]] 162 162 249 + 163 163 Add APP KEY and DEV EUI 164 164 165 165 [[image:1653298023685-319.png]] 166 166 254 + 167 167 ((( 168 168 **Step 2**: Power on LT and it will auto join to the TTN network. After join success, it will start to upload message to TTN and user can see in the panel. 169 169 ))) ... ... @@ -170,6 +170,7 @@ 170 170 171 171 [[image:1653298044601-602.png||height="405" width="709"]] 172 172 261 + 173 173 == 3.3 Uplink Payload == 174 174 175 175 There are five working modes + one interrupt mode on LT for different type application: ... ... @@ -181,6 +181,7 @@ 181 181 * **MOD5**: Single DI Counting + 2 x AVI + 1 x ACI + DO + RO 182 182 * **ADDMOD6**: Trigger Mode, Optional, used together with MOD1 ~~ MOD5 183 183 273 + 184 184 === 3.3.1 AT+MOD~=1, 2ACI+2AVI === 185 185 186 186 The uplink payload includes totally 9 bytes. Uplink packets use FPORT=2 and every 10 minutes send one uplink by default. ... ... @@ -235,7 +235,9 @@ 235 235 236 236 **For LT-22222-L**: this mode the **DI1 and DI2** are used as counting pins. 237 237 328 +((( 238 238 Total : 11 bytes payload 330 +))) 239 239 240 240 [[image:image-20220523180452-3.png]] 241 241 ... ... @@ -249,53 +249,77 @@ 249 249 * FIRST: Indicate this is the first packet after join network. 250 250 * DO is for reverse digital output. DOx=1: output low, DOx=0: high or float. 251 251 344 +((( 252 252 (% style="color:red" %)Note: DO3 bit is not valid for LT-22222-L. 346 +))) 253 253 348 +((( 254 254 **To use counting mode, please run:** 350 +))) 255 255 256 256 (% class="box infomessage" %) 257 257 ((( 354 +((( 258 258 **AT+MOD=2** 259 259 ))) 357 +))) 260 260 261 261 (% class="box infomessage" %) 262 262 ((( 361 +((( 263 263 **ATZ** 264 264 ))) 364 +))) 265 265 366 +((( 266 266 (% style="color:#4f81bd" %)**AT Commands for counting:** 368 +))) 267 267 370 +((( 268 268 **For LT22222-L:** 372 +))) 269 269 270 270 (% class="box infomessage" %) 271 271 ((( 376 +((( 272 272 **AT+TRIG1=0,100 (set DI1 port to trigger on low level, valid signal is 100ms) ** 273 273 ))) 379 +))) 274 274 275 275 (% class="box infomessage" %) 276 276 ((( 383 +((( 277 277 **AT+TRIG1=1,100(set DI1 port to trigger on high level, valid signal is 100ms ) ** 278 278 ))) 386 +))) 279 279 280 280 (% class="box infomessage" %) 281 281 ((( 390 +((( 282 282 **AT+TRIG2=0,100 (set DI2 port to trigger on low level, valid signal is 100ms) ** 283 283 ))) 393 +))) 284 284 285 285 (% class="box infomessage" %) 286 286 ((( 397 +((( 287 287 **AT+TRIG2=1,100 (set DI2 port to trigger on high level, valid signal is 100ms ) ** 288 288 ))) 400 +))) 289 289 290 290 (% class="box infomessage" %) 291 291 ((( 404 +((( 292 292 **AT+SETCNT=1,60 (Set COUNT1 value to 60)** 293 293 ))) 407 +))) 294 294 295 295 (% class="box infomessage" %) 296 296 ((( 411 +((( 297 297 **AT+SETCNT=2,60 (Set COUNT2 value to 60)** 298 298 ))) 414 +))) 299 299 300 300 === 3.3.3 AT+MOD~=3, Single DI Counting + 2 x ACI === 301 301 ... ... @@ -313,21 +313,31 @@ 313 313 * FIRST: Indicate this is the first packet after join network. 314 314 * DO is for reverse digital output. DOx=1: output low, DOx=0: high or float. 315 315 432 +((( 316 316 (% style="color:red" %)Note: DO3 is not valid for LT-22222-L. 434 +))) 317 317 436 +((( 318 318 **To use counting mode, please run:** 438 +))) 319 319 320 320 (% class="box infomessage" %) 321 321 ((( 442 +((( 322 322 **AT+MOD=3** 323 323 ))) 445 +))) 324 324 325 325 (% class="box infomessage" %) 326 326 ((( 449 +((( 327 327 **ATZ** 328 328 ))) 452 +))) 329 329 330 -Other AT Commands for counting are similar to [[MOD2 Counting Command>>path:http://8.211.40.43/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/#H3.3.2AT2BMOD3D22C28DoubleDICounting29]]. 454 +((( 455 +Other AT Commands for counting are similar to [[MOD2 Counting Command>>||anchor="H3.3.2AT2BMOD3D22C28DoubleDICounting29"]]. 456 +))) 331 331 332 332 === 3.3.4 AT+MOD~=4, Single DI Counting + 1 x Voltage Counting === 333 333 ... ... @@ -347,44 +347,67 @@ 347 347 * FIRST: Indicate this is the first packet after join network. 348 348 * DO is for reverse digital output. DOx=1: output low, DOx=0: high or float. 349 349 476 +((( 350 350 (% style="color:red" %)Note: DO3 is not valid for LT-22222-L. 478 +))) 351 351 480 +((( 352 352 **To use this mode, please run:** 482 +))) 353 353 354 354 (% class="box infomessage" %) 355 355 ((( 486 +((( 356 356 **AT+MOD=4** 357 357 ))) 489 +))) 358 358 359 359 (% class="box infomessage" %) 360 360 ((( 493 +((( 361 361 **ATZ** 362 362 ))) 496 +))) 363 363 498 +((( 499 + 500 +))) 364 364 365 -Other AT Commands for counting are similar to [[MOD2 Counting Command>>path:http://8.211.40.43/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/#H3.3.2AT2BMOD3D22C28DoubleDICounting29]]. 502 +((( 503 +Other AT Commands for counting are similar to [[MOD2 Counting Command>>||anchor="H3.3.2AT2BMOD3D22C28DoubleDICounting29"]]. 504 +))) 366 366 506 +((( 367 367 **Plus below command for AVI1 Counting:** 508 +))) 368 368 369 369 (% class="box infomessage" %) 370 370 ((( 512 +((( 371 371 **AT+SETCNT=3,60 (set AVI Count to 60)** 372 372 ))) 515 +))) 373 373 374 374 (% class="box infomessage" %) 375 375 ((( 519 +((( 376 376 **AT+VOLMAX=20000 (If AVI1 voltage higher than VOLMAX (20000mV =20v), counter increase 1)** 377 377 ))) 522 +))) 378 378 379 379 (% class="box infomessage" %) 380 380 ((( 526 +((( 381 381 **AT+VOLMAX=20000,0 (If AVI1 voltage lower than VOLMAX (20000mV =20v), counter increase 1)** 382 382 ))) 529 +))) 383 383 384 384 (% class="box infomessage" %) 385 385 ((( 533 +((( 386 386 **AT+VOLMAX=20000,1 (If AVI1 voltage higer than VOLMAX (20000mV =20v), counter increase 1)** 387 387 ))) 536 +))) 388 388 389 389 === 3.3.5 AT+MOD~=5, Single DI Counting + 2 x AVI + 1 x ACI === 390 390 ... ... @@ -398,23 +398,35 @@ 398 398 399 399 * RO is for relay. ROx=1 : close,ROx=0 always open. 400 400 * FIRST: Indicate this is the first packet after join network. 401 -* DO is for reverse digital output. DOx=1: output low, DOx=0: high or float. 550 +* ((( 551 +DO is for reverse digital output. DOx=1: output low, DOx=0: high or float. 552 +))) 402 402 554 +((( 403 403 (% style="color:red" %)Note: DO3 is not valid for LT-22222-L. 556 +))) 404 404 558 +((( 405 405 **To use this mode, please run:** 560 +))) 406 406 407 407 (% class="box infomessage" %) 408 408 ((( 564 +((( 409 409 **AT+MOD=5** 410 410 ))) 567 +))) 411 411 412 412 (% class="box infomessage" %) 413 413 ((( 571 +((( 414 414 **ATZ** 415 415 ))) 574 +))) 416 416 417 -Other AT Commands for counting are similar to [[MOD2 Counting Command>>path:http://8.211.40.43/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/#H3.3.2AT2BMOD3D22C28DoubleDICounting29]]. 576 +((( 577 +Other AT Commands for counting are similar to [[MOD2 Counting Command>>||anchor="H3.3.2AT2BMOD3D22C28DoubleDICounting29"]]. 578 +))) 418 418 419 419 === 3.3.6 AT+ADDMOD~=6. (Trigger Mode, Optional) === 420 420 ... ... @@ -556,7 +556,7 @@ 556 556 557 557 === 3.4.1 Common Commands === 558 558 559 -They should be available for each of Dragino Sensors, such as: change uplink interval, reset device. For firmware v1.5.4, user can find what common commands it supports: [[End Device AT Commands and Downlink Command>> http://8.211.40.43:8080/xwiki/bin/view/Main/End%20Device%20AT%20Commands%20and%20Downlink%20Command/]]720 +They should be available for each of Dragino Sensors, such as: change uplink interval, reset device. For firmware v1.5.4, user can find what common commands it supports: [[End Device AT Commands and Downlink Command>>doc:Main.End Device AT Commands and Downlink Command.WebHome]] 560 560 561 561 === 3.4.2 Sensor related commands === 562 562 ... ... @@ -822,8 +822,10 @@ 822 822 823 823 (% class="box infomessage" %) 824 824 ((( 986 +((( 825 825 **0xA9 aa bb cc ~/~/ Set DO1/DO2/DO3 output with time control** 826 826 ))) 989 +))) 827 827 828 828 This is to control the digital output time of DO pin. Include four bytes: 829 829 ... ... @@ -1026,21 +1026,26 @@ 1026 1026 **0x A7 aa bb cc ~/~/ same as AT+COUTIME =aa bb cc,** 1027 1027 ))) 1028 1028 1192 +((( 1029 1029 range: aa bb cc:0 to 16777215, (unit:second) 1194 +))) 1030 1030 1031 1031 == 3.5 Integrate with Mydevice == 1032 1032 1033 1033 Mydevices provides a human friendly interface to show the sensor data, once we have data in TTN, we can use Mydevices to connect to TTN and see the data in Mydevices. Below are the steps: 1034 1034 1200 +((( 1035 1035 **Step 1**: Be sure that your device is programmed and properly connected to the network at this time. 1202 +))) 1036 1036 1204 +((( 1037 1037 **Step 2**: To configure the Application to forward data to Mydevices you will need to add integration. To add the Mydevices integration, perform the following steps: 1206 +))) 1038 1038 1039 1039 [[image:1653356737703-362.png||height="232" width="732"]] 1040 1040 1041 1041 [[image:image-20220524094641-11.png||height="390" width="723"]] 1042 1042 1043 - 1044 1044 [[image:image-20220524094641-12.png||height="402" width="718"]] 1045 1045 1046 1046 **Step 3**: Create an account or log in Mydevices. ... ... @@ -1099,7 +1099,7 @@ 1099 1099 1100 1100 So when sensor active, the current between NEC2501 pin1 and pin2 is: 1101 1101 1102 - IF// = DI1+ / 1K.1270 +[[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/WebHome/image-20220524095628-8.png?rev=1.1||alt="image-20220524095628-8.png"]]** [[image:image-20220524095628-8.png]] = DI1+ / 1K.** 1103 1103 1104 1104 If DI1+ = 12v, the //IF// = 12mA , So the LT-22222-L will be able to detect this active signal. 1105 1105 ... ... @@ -1113,9 +1113,9 @@ 1113 1113 1114 1114 So when sensor active, the current between NEC2501 pin1 and pin2 is: 1115 1115 1116 -[[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/WebHome/image-20220524095628-8.png?rev=1.1||alt="image-20220524095628-8.png"]] [[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/WebHome/image-20220524095628-8.png?rev=1.1||alt="image-20220524095628-8.png"]]** [[image:image-20220524095628-8.png]]= DI1+ / 1K.**1284 +[[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/WebHome/image-20220524095628-8.png?rev=1.1||alt="image-20220524095628-8.png"]]** [[image:image-20220524095628-8.png]]= DI1+ / 1K.** 1117 1117 1118 -If **DI1+ = 24v**, the [[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/WebHome/image-20220524095628-8.png?rev=1.1||alt="image-20220524095628-8.png"]] [[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/WebHome/image-20220524095628-8.png?rev=1.1||alt="image-20220524095628-8.png"]]**[[image:image-20220524095628-8.png]]** = 24mA , So the LT-22222-L will be able to detect this high active signal.1286 +If **DI1+ = 24v**, the [[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/WebHome/image-20220524095628-8.png?rev=1.1||alt="image-20220524095628-8.png"]]**[[image:image-20220524095628-8.png]]** = 24mA , So the LT-22222-L will be able to detect this high active signal. 1119 1119 1120 1120 1121 1121 **Example3**: Connect to a 220v high active sensor. ... ... @@ -1127,7 +1127,7 @@ 1127 1127 1128 1128 So when sensor active, the current between NEC2501 pin1 and pin2 is: 1129 1129 1130 - [[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/WebHome/image-20220524095628-8.png?rev=1.1||alt="image-20220524095628-8.png"]] [[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/WebHome/image-20220524095628-8.png?rev=1.1||alt="image-20220524095628-8.png"]]**[[image:image-20220524095628-8.png]] = DI1+ / 51K.**1298 + [[image:/xwiki/bin/download/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/WebHome/image-20220524095628-8.png?rev=1.1||alt="image-20220524095628-8.png"]]**[[image:image-20220524095628-8.png]] = DI1+ / 51K.** 1131 1131 1132 1132 If sensor output is 220v, the (% id="cke_bm_243359S" style="display:none" %)[[image:image-20220524095628-8.png]](%%) = DI1+ / 51K. = 4.3mA , So the LT-22222-L will be able to detect this high active signal safely. 1133 1133 ... ... @@ -1186,11 +1186,15 @@ 1186 1186 1187 1187 [[image:1653358238933-385.png]] 1188 1188 1357 +((( 1189 1189 In PC, User needs to set (% style="color:#4f81bd" %)**serial tool**(%%)(such as [[putty>>url:https://www.chiark.greenend.org.uk/~~sgtatham/putty/latest.html]], SecureCRT) baud rate to (% style="color:green" %)**9600**(%%) to access to access serial console for LT. The AT commands are disable by default and need to enter password (default:(% style="color:green" %)**123456**)(%%) to active it. As shown below: 1359 +))) 1190 1190 1191 1191 [[image:1653358355238-883.png]] 1192 1192 1363 +((( 1193 1193 More detail AT Command manual can be found at [[AT Command Manual>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/]] 1365 +))) 1194 1194 1195 1195 ((( 1196 1196 AT+<CMD>? : Help on <CMD> ... ... @@ -1508,11 +1508,13 @@ 1508 1508 Below shows the hardware connection for how to upload an image to the LT: 1509 1509 * [[image:1653359603330-121.png]] 1510 1510 1683 +((( 1511 1511 **Step1:** 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]]. 1512 1512 **Step2**: Download the [[LT Image files>>url:http://www.dragino.com/downloads/index.php?dir=LT_LoRa_IO_Controller/LT33222-L/image/]]. 1513 1513 **Step3: **Open flashloader; choose the correct COM port to update. 1514 1514 **For LT-22222-L**: 1515 1515 Hold down the PRO button and then momentarily press the RST reset button and the **DO1 led** will change from OFF to ON. When **DO1 LED** is on, it means the device is in download mode. 1689 +))) 1516 1516 1517 1517 [[image:image-20220524103407-12.png]] 1518 1518 ... ... @@ -1531,7 +1531,7 @@ 1531 1531 ))) 1532 1532 1533 1533 ((( 1534 -User can follow the introduction for [[how to upgrade image>> path:http://8.211.40.43:8080/xwiki/bin/view/Main/User%20Manual%20for%20LoRaWAN%20End%20Nodes/LT-22222-L/#H5.1Howtoupgradetheimage3F]]. When download the images, choose the required image file for download.1708 +User can follow the introduction for [[how to upgrade image>>||anchor="H5.1Howtoupgradetheimage3F"]]. When download the images, choose the required image file for download. 1535 1535 ))) 1536 1536 1537 1537 ((( ... ... @@ -1558,10 +1558,15 @@ 1558 1558 [[image:1653360231087-571.png||height="401" width="727"]] 1559 1559 ))) 1560 1560 1735 +((( 1561 1561 (% style="color:red" %)Note: user just need to make sure above three keys match, User can change either in TTN or Device to make then match. In TTN, NETSKEY and APPSKEY can be configured by user in setting page, but Device Addr is generated by TTN. 1737 +))) 1562 1562 1739 +((( 1563 1563 (% style="color:#4f81bd" %)**Step2**(%%)**: **Run AT Command to make LT work in Single frequency & ABP mode. Below is the AT commands: 1741 +))) 1564 1564 1743 +((( 1565 1565 (% style="background-color:#dcdcdc" %)123456 (%%) Enter Password to have AT access. 1566 1566 (% style="background-color:#dcdcdc" %)AT+FDR (%%) Reset Parameters to Factory Default, Keys Reserve 1567 1567 (% style="background-color:#dcdcdc" %)123456 (%%) Enter Password to have AT access. ... ... @@ -1572,8 +1572,11 @@ 1572 1572 (% style="background-color:#dcdcdc" %)AT+CHS=868400000 (%%)Set transmit frequency to 868.4Mhz 1573 1573 (% style="background-color:#dcdcdc" %)AT+DADDR=26 01 1A F1(%%) Set Device Address to 26 01 1A F1 1574 1574 (% style="background-color:#dcdcdc" %)ATZ (%%)Reset MCU 1754 +))) 1575 1575 1756 +((( 1576 1576 As shown in below: 1758 +))) 1577 1577 1578 1578 [[image:1653360498588-932.png||height="485" width="726"]] 1579 1579 ... ... @@ -1584,7 +1584,7 @@ 1584 1584 ))) 1585 1585 1586 1586 ((( 1587 -= 6. Trouble Shooting 1769 += 6. Trouble Shooting = 1588 1588 ))) 1589 1589 1590 1590 ((( ... ... @@ -1594,13 +1594,11 @@ 1594 1594 ))) 1595 1595 1596 1596 ((( 1597 -Please see this link for how to debug: 1779 +Please see this link for how to debug: 1598 1598 1599 -[[http:~~/~~/8.211.40.43:8080/xwiki/bin/view/Main/LoRaWAN%20Communication%20Debug/>>http://8.211.40.43:8080/xwiki/bin/view/Main/LoRaWAN%20Communication%20Debug/]] 1600 -))) 1781 +[[http:~~/~~/wiki1.dragino.com/xwiki/bin/view/Main/LoRaWAN%20Communication%20Debug/#H5.1Howitwork>>http://wiki1.dragino.com/xwiki/bin/view/Main/LoRaWAN%20Communication%20Debug/#H5.1Howitwork]] 1601 1601 1602 -((( 1603 -[[http:~~/~~/wiki.dragino.com/index.php?title=LoRaWAN_Communication_Debug#How_it_work>>url:http://wiki.dragino.com/index.php?title=LoRaWAN_Communication_Debug#How_it_work]] 1783 + 1604 1604 ))) 1605 1605 1606 1606 ((( ... ... @@ -1609,10 +1609,12 @@ 1609 1609 1610 1610 ((( 1611 1611 See this link for trouble shooting: 1792 + 1793 +[[http:~~/~~/wiki1.dragino.com/xwiki/bin/view/Main/Firmware%20Upgrade%20Instruction%20for%20STM32%20base%20products/>>http://wiki1.dragino.com/xwiki/bin/view/Main/Firmware%20Upgrade%20Instruction%20for%20STM32%20base%20products/]] 1612 1612 ))) 1613 1613 1614 1614 ((( 1615 - [[http:~~/~~/wiki.dragino.com/index.php?title=Firmware_Upgrade_Trouble_Shooting#UART_upgrade_trouble_shooting>>url:http://wiki.dragino.com/index.php?title=Firmware_Upgrade_Trouble_Shooting#UART_upgrade_trouble_shooting]]1797 + 1616 1616 ))) 1617 1617 1618 1618 ((( ... ... @@ -1621,10 +1621,12 @@ 1621 1621 1622 1622 ((( 1623 1623 It might be about the channels mapping. Please see this link for detail: 1806 + 1807 +[[http:~~/~~/wiki1.dragino.com/xwiki/bin/view/Main/LoRaWAN%20Communication%20Debug/#H2.NoticeofUS9152FCN4702FAU915Frequencyband>>http://wiki1.dragino.com/xwiki/bin/view/Main/LoRaWAN%20Communication%20Debug/#H2.NoticeofUS9152FCN4702FAU915Frequencyband]] 1624 1624 ))) 1625 1625 1626 1626 ((( 1627 - [[http:~~/~~/wiki.dragino.com/index.php?title=LoRaWAN_Communication_Debug#Notice_of_US915.2FCN470.2FAU915_Frequency_band>>url:http://wiki.dragino.com/index.php?title=LoRaWAN_Communication_Debug#Notice_of_US915.2FCN470.2FAU915_Frequency_band]]1811 + 1628 1628 ))) 1629 1629 1630 1630 ((( ... ... @@ -1643,33 +1643,58 @@ 1643 1643 ))) 1644 1644 ))) 1645 1645 1830 +((( 1646 1646 * ((( 1647 1647 (% style="color:#4f81bd" %)**EU433**(%%): LT with frequency bands EU433 1648 1648 ))) 1834 +))) 1835 + 1836 +((( 1649 1649 * ((( 1650 1650 (% style="color:#4f81bd" %)**EU868**(%%): LT with frequency bands EU868 1651 1651 ))) 1840 +))) 1841 + 1842 +((( 1652 1652 * ((( 1653 1653 (% style="color:#4f81bd" %)**KR920**(%%): LT with frequency bands KR920 1654 1654 ))) 1846 +))) 1847 + 1848 +((( 1655 1655 * ((( 1656 1656 (% style="color:#4f81bd" %)**CN470**(%%): LT with frequency bands CN470 1657 1657 ))) 1852 +))) 1853 + 1854 +((( 1658 1658 * ((( 1659 1659 (% style="color:#4f81bd" %)**AS923**(%%): LT with frequency bands AS923 1660 1660 ))) 1858 +))) 1859 + 1860 +((( 1661 1661 * ((( 1662 1662 (% style="color:#4f81bd" %)**AU915**(%%): LT with frequency bands AU915 1663 1663 ))) 1864 +))) 1865 + 1866 +((( 1664 1664 * ((( 1665 1665 (% style="color:#4f81bd" %)**US915**(%%): LT with frequency bands US915 1666 1666 ))) 1870 +))) 1871 + 1872 +((( 1667 1667 * ((( 1668 1668 (% style="color:#4f81bd" %)**IN865**(%%): LT with frequency bands IN865 1669 1669 ))) 1876 +))) 1670 1670 1671 1671 ((( 1672 -* (% style="color:#4f81bd" %)**CN779**(%%): LT with frequency bands CN779 1879 +* ((( 1880 +(% style="color:#4f81bd" %)**CN779**(%%): LT with frequency bands CN779 1881 +))) 1673 1673 1674 1674 = 8. Packing Info = 1675 1675 )))