Last modified by Xiaoling on 2023/09/19 09:20
<
From version < 162.4 >
edited by Xiaoling
on 2023/06/05 15:36
To version < 149.1 >
edited by Edwin Chen
on 2022/10/21 11:04
>
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1 +XWiki.Edwin
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8 8  
9 9  = 1.  LA66 LoRaWAN Module =
10 10  
11 +
11 11  == 1.1  What is LA66 LoRaWAN Module ==
12 12  
13 13  
... ... @@ -48,6 +48,7 @@
48 48  )))
49 49  
50 50  
52 +
51 51  == 1.2  Features ==
52 52  
53 53  
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62 62  * Ultra-long RF range
63 63  
64 64  
65 -
66 66  == 1.3  Specification ==
67 67  
68 68  
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85 85  * I/O Voltage: 3.3v
86 86  
87 87  
88 -
89 89  == 1.4  AT Command ==
90 90  
91 91  
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92 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/sh/wtq43za8sykpgta/AABAEE02uEAsRU-JV7bzEhMba?dl=0]].
93 93  
94 94  
95 +
95 95  == 1.5  Dimension ==
96 96  
97 97  
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98 98  [[image:image-20220718094750-3.png]]
99 99  
100 100  
102 +
101 101  == 1.6  Pin Mapping ==
102 102  
103 103  [[image:image-20220720111850-1.png]]
104 104  
105 105  
108 +
106 106  == 1.7  Land Pattern ==
107 107  
108 108  
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109 109  [[image:image-20220517072821-2.png]]
110 110  
111 111  
115 +
112 112  = 2.  FAQ =
113 113  
114 -== 2.1  Where to find examples of how to use LA66? ==
115 115  
119 +(% class="wikigeneratedid" %)
120 +== 2.1 Where to find examples of how to use LA66? ==
116 116  
117 117  (% class="wikigeneratedid" %)
118 118  Below products are made by LA66. User can use their examples as reference:
119 119  
120 -* [[LA66 Shield for Arduino>>doc:Main.User Manual for LoRaWAN End Nodes.LA66 LoRaWAN Shield User Manual.WebHome]]
121 -* [[LA66 USB Adapter>>doc:Main.User Manual for LoRaWAN End Nodes.LA66 USB LoRaWAN Adapter User Manual.WebHome]]
125 +* LA66 Shield for Arduino
126 +* LA66 USB Adapter
122 122  
123 123  
124 124  
125 -== 2.2  How to Compile Source Code for LA66? ==
130 +== 2.2  How to Compile Source Code for LA66? ==
126 126  
127 127  
128 128  Compile and Upload Code to ASR6601 Platform：[[Instruction>>Compile and Upload Code to ASR6601 Platform]]
129 129  
130 130  
131 -== 2.3  Can i use LA66 module's internal I/O without external MCU, So to save product cost? ==
132 132  
137 +== 2.3 Can i use LA66 module's internal I/O without external MCU, So to save product cost? ==
133 133  
139 +
134 134  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.
135 135  
136 136  
143 +
137 137  == 2.4  Where to find Peer-to-Peer firmware of LA66? ==
138 138  
139 139  
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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  
143 -== 2.5 How can i use J-LInk to debug LA66? ==
144 144  
145 -
146 -(% style="color:#037691" %)**The steps are as follows:**
147 -
148 -
149 -(% style="color:blue" %)**1. Install J-Link software from**
150 -
151 -[[https:~~/~~/www.segger.com/downloads/jlink/>>url:https://www.segger.com/downloads/jlink/]]
152 -
153 -
154 -(% style="color:blue" %)**2. Expose PA6 / PA7 / RSTN of LA66.**
155 -
156 -
157 -[[image:image-20230605151850-1.png||height="676" width="640"]]
158 -
159 -
160 -[[image:image-20230605151850-2.png]]
161 -
162 -(% style="display:none" %) (%%)
163 -
164 -(% style="color:blue" %)**3. Connect JLINK, and switch mother board SW1 to ISP. Wire connection as below:**
165 -
166 -
167 -**LA66 PA6 < ~-~- > JLINK SWDIO (Pin 7)**
168 -
169 -**LA66 PA7 < ~-~- > JLINK SWCLK (Pin 9)**
170 -
171 -**LA66 RSTN < ~-~- > JLINK RESET (Pin 15)**
172 -
173 -**LA66 GND  < ~-~- > JLINK GND (Pin 8)**
174 -
175 -[[image:image-20230605151850-3.png||height="629" width="1182"]]
176 -
177 -(% style="display:none" %) (%%)
178 -
179 -(% style="color:blue" %)**4. Copy \SN50v3\tools\FLM\ASR6601.FLM to \Keil\ARM\ Flash\**
180 -
181 -(% style="display:none" %) [[image:image-20230605151850-4.png]]
182 -
183 -
184 -**Add ASR6601 256KB Flash to Flash Download**
185 -
186 -[[image:image-20230605152412-12.png]]
187 -
188 -
189 -[[image:image-20230605151851-6.png]]
190 -
191 -
192 -(% style="color:blue" %)**5. Modify \SN50v3\Projects\Applications\DRAGINO-LRWAN-AT\cfg\gcc.ld, to 0x08000000.**
193 -
194 -
195 -[[image:image-20230605151851-7.png]]
196 -
197 -[[image:image-20230605151851-8.png]]
198 -
199 -
200 -(% 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.**
201 -
202 -
203 -(% style="color:blue" %)**6. Comment the low power function in main.c.**
204 -
205 -
206 -[[image:image-20230605151851-9.png]]
207 -
208 -
209 -(% style="color:blue" %)**Click Debug mode to debug.**
210 -
211 -[[image:image-20230605151851-10.png||height="293" width="1275"]]
212 -
213 -
214 -[[image:image-20230605151851-11.png||height="739" width="1275"]](% style="display:none" %)
215 -
216 -(% style="display:none" %) (%%)
217 -
218 218  = 3.  Order Info =
219 219  
220 220  
221 221  **Part Number:**  (% style="color:blue" %)**LA66-XXX**
222 222  
156 +
223 223  (% style="color:blue" %)**XXX**(%%): The default frequency band
224 224  
225 225  * (% style="color:red" %)**AS923**(%%):  LoRaWAN AS923 band
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260 260  (% style="color:red" %)**FCC Radiation Exposure Statement: **
261 261  
262 262  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.
263 -
264 -
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