Changes for page LA66 LoRaWAN Module User Manual
Last modified by Xiaoling on 2023/09/19 09:20
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... ... @@ -61,8 +61,6 @@ 61 61 * Firmware upgradable via UART interface 62 62 * Ultra-long RF range 63 63 64 - 65 - 66 66 == 1.3 Specification == 67 67 68 68 ... ... @@ -84,14 +84,11 @@ 84 84 * LoRa Rx current: <9 mA 85 85 * I/O Voltage: 3.3v 86 86 87 - 88 - 89 89 == 1.4 AT Command == 90 90 91 91 92 -AT Command is valid over Main TXD and Main RXD. Serial Baud Rate is 9600. AT commands can be found in[[ AT Command documents>>https://www.dropbox.com/s h/wtq43za8sykpgta/AABAEE02uEAsRU-JV7bzEhMba?dl=0]].88 +AT Command is valid over Main TXD and Main RXD. Serial Baud Rate is 9600. AT commands can be found in[[ AT Command documents>>https://www.dropbox.com/scl/fi/3mll5vn9wd446wuk7fwtn/LA66-AT-commands.pdf?rlkey=webesgp6himl162wnx7xssqa1&dl=0]]. 93 93 94 - 95 95 == 1.5 Dimension == 96 96 97 97 ... ... @@ -120,8 +120,6 @@ 120 120 * [[LA66 Shield for Arduino>>doc:Main.User Manual for LoRaWAN End Nodes.LA66 LoRaWAN Shield User Manual.WebHome]] 121 121 * [[LA66 USB Adapter>>doc:Main.User Manual for LoRaWAN End Nodes.LA66 USB LoRaWAN Adapter User Manual.WebHome]] 122 122 123 - 124 - 125 125 == 2.2 How to Compile Source Code for LA66? == 126 126 127 127 ... ... @@ -140,6 +140,81 @@ 140 140 Instruction for LA66 Peer to Peer firmware :[[ Instruction >>doc:Main.User Manual for LoRaWAN End Nodes.LA66 LoRaWAN Shield User Manual.Instruction for LA66 Peer to Peer firmware.WebHome]] 141 141 142 142 136 +== 2.5 How can i use J-LInk to debug LA66? == 137 + 138 + 139 +(% style="color:#037691" %)**The steps are as follows:** 140 + 141 + 142 +(% style="color:blue" %)**1. Install J-Link software from** 143 + 144 +[[https:~~/~~/www.segger.com/downloads/jlink/>>url:https://www.segger.com/downloads/jlink/]] 145 + 146 + 147 +(% style="color:blue" %)**2. Expose PA6 / PA7 / RSTN of LA66.** 148 + 149 + 150 +[[image:image-20230605151850-1.png||height="676" width="640"]] 151 + 152 + 153 +[[image:image-20230605151850-2.png]] 154 + 155 +(% style="display:none" %) (%%) 156 + 157 +(% style="color:blue" %)**3. Connect JLINK, and switch mother board SW1 to ISP. Wire connection as below:** 158 + 159 + 160 +**LA66 PA6 < ~-~- > JLINK SWDIO (Pin 7)** 161 + 162 +**LA66 PA7 < ~-~- > JLINK SWCLK (Pin 9)** 163 + 164 +**LA66 RSTN < ~-~- > JLINK RESET (Pin 15)** 165 + 166 +**LA66 GND < ~-~- > JLINK GND (Pin 8)** 167 + 168 +[[image:image-20230605151850-3.png||height="629" width="1182"]] 169 + 170 +(% style="display:none" %) (%%) 171 + 172 +(% style="color:blue" %)**4. Copy \SN50v3\tools\FLM\ASR6601.FLM to \Keil\ARM\ Flash\** 173 + 174 +(% style="display:none" %) [[image:image-20230605151850-4.png]] 175 + 176 + 177 +**Add ASR6601 256KB Flash to Flash Download** 178 + 179 +[[image:image-20230605152412-12.png]] 180 + 181 + 182 +[[image:image-20230605151851-6.png]] 183 + 184 + 185 +(% style="color:blue" %)**5. Modify \SN50v3\Projects\Applications\DRAGINO-LRWAN-AT\cfg\gcc.ld, to 0x08000000.** 186 + 187 + 188 +[[image:image-20230605151851-7.png]] 189 + 190 +[[image:image-20230605151851-8.png]] 191 + 192 + 193 +(% style="color:red" %)**Note: After debug, user should change the Flash address back to 0x0800D000, and upload the OTA bootloader to LA66. Otherwise, the compiled program doesn't support OTA update.** 194 + 195 + 196 +(% style="color:blue" %)**6. Comment the low power function in main.c.** 197 + 198 + 199 +[[image:image-20230605151851-9.png]] 200 + 201 + 202 +(% style="color:blue" %)**Click Debug mode to debug.** 203 + 204 +[[image:image-20230605151851-10.png||height="293" width="1275"]] 205 + 206 + 207 +[[image:image-20230605151851-11.png||height="739" width="1275"]](% style="display:none" %) 208 + 209 +(% style="display:none" %) (%%) 210 + 143 143 = 3. Order Info = 144 144 145 145 ... ... @@ -157,8 +157,6 @@ 157 157 * (% style="color:red" %)**CN470**(%%): LoRaWAN CN470 band 158 158 * (% style="color:red" %)**PP**(%%): Peer to Peer LoRa Protocol 159 159 160 - 161 - 162 162 = 4. FCC Statement = 163 163 164 164
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