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1		-*
2		-** Table of** **Contents:
	1	+**Table of Contents:**
3	3
4	4	{{toc/}}
5	5
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132	132	Above scripts are store in /etc/lora/decoder/. User can put their scripts here and select it in the UI.
133	133
134	134
	134	+
135	135	=== 2.2.2 How to Decode My End Node ===
136	136
137	137
138		-1/ Configure the ABP keys for your end node in the gateway. enable ABP decode in Web UI
	138	+**1.** Configure the ABP keys for your end node in the gateway. enable ABP decode in Web UI
139	139
140		-2/ Don't choose MQTT service, use LoRaWAN.
	140	+**2. **Don't choose MQTT service, use LoRaWAN.
141	141
142		-3/ When your end node send a message to the gateway, there will be a file store in /var/iot/channels. full path should be /var/iot/channels/END_NODE_DEV_ADDR
	142	+**3.** When your end node send a message to the gateway, there will be a file store in /var/iot/channels. full path should be /var/iot/channels/END_NODE_DEV_ADDR
143	143
144		-4/ Use the /etc/lora/decoder/Dragino_LHT65 as template to decode your payload. This script is written in Lua language. User can manually call this script when you see the data file in /var/iot/channels by running:
	144	+**4.** Use the /etc/lora/decoder/Dragino_LHT65 as template to decode your payload. This script is written in Lua language. User can manually call this script when you see the data file in /var/iot/channels by running:
145	145
146	146	{{{/etc/lora/decoder/Dragino_LHT65 END_NODE_DEV_ADDR
147	147	}}}
148	148
149		-5/ What you see as output is the MQTT data device will upload, user's end node has different payload compare with LHT65, most properly this file will report with error. User need to modify to match the actual payload. Some notice:
	149	+**5.** What you see as output is the MQTT data device will upload, user's end node has different payload compare with LHT65, most properly this file will report with error. User need to modify to match the actual payload.
150	150
	151	+
	152	+(% style="color:red" %)
	153	+**Some notice:**
	154	+
151	151	* RSSI and SNR are added when gateway receive the packet, so there is always this field.
152	152	* If you rename the file, please make it executable.
153	153	* See this link for lua.bit module: [[http:~~/~~/luaforge.net/projects/bit/>>url:http://luaforge.net/projects/bit/]]
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156	156	* User can use other language ,not limited to Lua, just make sure the return is what you want to send.
157	157
158	158
159		-
160	160	== 2.2 Downstream ==
161	161
162	162
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189	189	* **rxwindow:** transmit on Rx1Window or Rx2Window.
190	190
191	191
	195	+
192	192	(% style="color:blue" %)**Completely exmaple:**
193	193
194	194	* **Old version:** echo 018193F4,imme,hex,0101 > /var/iot/push/test
...	...	@@ -217,25 +217,19 @@
217	217	(((
218	218	we can use echo command to create files in LG308 for downstream.
219	219	root@dragino-1d25dc:~~# echo 2602111D,time,hex,12345678 > /var/iot/push/test
220		-)))
221	221
222		-(% class="box" %)
223		-(((
	225	+
224	224	**1)** From logread -f of gateway, we can see it has been added as pedning.
225	225	lora_pkt_fwd[4286]: INFO~~ [DNLK]Looking file : test
226	226	lora_pkt_fwd[4286]: INFO~~ [DNLK]devaddr:2602111D, txmode:time, pdfm:hex, size:4, payload1:4Vx,payload_hex:77C1BB90
227	227	lora_pkt_fwd[4286]: INFO~~ [DNLK] DNLINK PENDING!(1 elems).
228		-)))
229	229
230		-(% class="box" %)
231		-(((
	231	+
232	232	**2)** When there is an upstrea from end node, this downstream will be sent and shows:
233	233	lora_pkt_fwd[4286]: INFO: tx_start_delay=1497 (1497.000000) - (1497, bw_delay=0.000000, notch_delay=0.000000)
234	234	lora_pkt_fwd[4286]: [LGWSEND]lgw_send done: count_us=3537314420, freq=923300000, size=17
235		-)))
236	236
237		-(% class="box" %)
238		-(((
	236	+
239	239	**3)** and the end node will got:
240	240	[5764825]~*~*~*~** UpLinkCounter= 98 ~*~*~*~**
241	241	[5764827]TX on freq 905300000 Hz at DR 0
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248	248	Rssi= -41
249	249	Receive data
250	250	(% style="color:#037691" %)**2:12345678**  (%%) ~-~-> Hex
251		-)))
252	252
253		-(% class="box" %)
254		-(((
	250	+
255	255	**4) **If we use the command "echo 2602111D,time,txt,12345678 > /var/iot/push/test" for downstream, the end node will got:
256	256	[5955877]~*~*~*~** UpLinkCounter= 102 ~*~*~*~**
257	257	[5955879]TX on freq 904100000 Hz at DR 0