Last modified by Xiaoling on 2023/09/19 09:20
<
From version < 148.7 >
edited by Xiaoling
on 2022/10/10 11:34
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edited by Xiaoling
on 2023/09/19 09:20
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Summary

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8 8  
9 9  = 1.  LA66 LoRaWAN Module =
10 10  
11 -
12 12  == 1.1  What is LA66 LoRaWAN Module ==
13 13  
14 14  
... ... @@ -49,7 +49,6 @@
49 49  )))
50 50  
51 51  
52 -
53 53  == 1.2  Features ==
54 54  
55 55  
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63 63  * Firmware upgradable via UART interface
64 64  * Ultra-long RF range
65 65  
66 -
67 -
68 68  == 1.3  Specification ==
69 69  
70 70  
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86 86  * LoRa Rx current: <9 mA
87 87  * I/O Voltage: 3.3v
88 88  
89 -
90 -
91 91  == 1.4  AT Command ==
92 92  
93 93  
94 -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/sh/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]].
95 95  
96 -
97 -
98 98  == 1.5  Dimension ==
99 99  
100 100  
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101 101  [[image:image-20220718094750-3.png]]
102 102  
103 103  
104 -
105 105  == 1.6  Pin Mapping ==
106 106  
107 107  [[image:image-20220720111850-1.png]]
108 108  
109 109  
110 -
111 111  == 1.7  Land Pattern ==
112 112  
113 113  
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114 114  [[image:image-20220517072821-2.png]]
115 115  
116 116  
117 -
118 118  = 2.  FAQ =
119 119  
109 +== 2.1  Where to find examples of how to use LA66? ==
120 120  
121 -== 2.1  How to Compile Source Code for LA66? ==
122 122  
112 +(% class="wikigeneratedid" %)
113 +Below products are made by LA66. User can use their examples as reference:
123 123  
124 -Compile and Upload Code to ASR6601 Platform：[[Instruction>>Compile and Upload Code to ASR6601 Platform]]
115 +* [[LA66 Shield for Arduino>>doc:Main.User Manual for LoRaWAN End Nodes.LA66 LoRaWAN Shield User Manual.WebHome]]
116 +* [[LA66 USB Adapter>>doc:Main.User Manual for LoRaWAN End Nodes.LA66 USB LoRaWAN Adapter User Manual.WebHome]]
125 125  
118 +== 2.2  How to Compile Source Code for LA66? ==
126 126  
127 127  
128 -== 2.2 Can i use LA66 module's internal I/O without external MCU, So to save product cost? ==
121 +Compile and Upload Code to ASR6601 Platform：[[Instruction>>Compile and Upload Code to ASR6601 Platform]]
129 129  
130 130  
131 -Yes, this is possible, user can refer[[ the source code from ASR >>https://github.com/asrlora/asr_lora_6601/tree/master/projects/ASR6601SE-EVAL/examples/lora]]to get examples for how to its I/O Interfaces.
124 +== 2.3  Can i use LA66 module's internal I/O without external MCU, So to save product cost? ==
132 132  
133 133  
127 +Yes, this is possible, user can refer[[ the source code from ASR >>https://github.com/asrlora/asr_lora_6601/tree/master/projects/ASR6601SE-EVAL/examples/lora]]to get examples for how to its I/O Interfaces.
134 134  
135 -== 2.3  Where to find Peer-to-Peer firmware of LA66? ==
136 136  
130 +== 2.4  Where to find Peer-to-Peer firmware of LA66? ==
137 137  
132 +
138 138  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]]
139 139  
140 140  
136 +== 2.5 How can i use J-LInk to debug LA66? ==
141 141  
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 +
142 142  = 3.  Order Info =
143 143  
144 144  
145 145  **Part Number:**  (% style="color:blue" %)**LA66-XXX**
146 146  
147 -
148 148  (% style="color:blue" %)**XXX**(%%): The default frequency band
149 149  
150 150  * (% style="color:red" %)**AS923**(%%):  LoRaWAN AS923 band
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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 -
163 163  = 4.  FCC Statement =
164 164  
165 165  
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186 186  (% style="color:red" %)**FCC Radiation Exposure Statement: **
187 187  
188 188  This equipment complies with FCC radiation exposure limits set forth for an uncontrolled environment.This equipment should be installed and operated with minimum distance 20cm between the radiator& your body.
254 +
255 +
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