Last modified by Edwin Chen on 2022/11/22 09:38
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From version < 7.1 >
edited by Xiaoling
on 2022/06/02 11:36
To version < 8.4 >
edited by Xiaoling
on 2022/06/02 13:46
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17 17  = **2. Features for this firmware** =
18 18  
19 19  
20 -== **2.1  Overview** ==
20 +== **2.1  Point To Point** ==
21 21  
22 -[[image:image-20220602111219-1.png]]
23 23  
23 +[[image:image-20220602111219-1.png||height="472" width="972"]]
24 24  
25 -== **2.2. Configure** ==
26 26  
26 +(% class="wikigeneratedid" id="H2.2.Configure" %)
27 +(% style="color:blue" %)**Configure:**
28 +
29 +
27 27  (% border="1" style="background-color:#f7faff; color:black; width:500px" %)
28 28  |=**A's configuration**|=**B's configuration**
29 29  |AT+GROUPMOD=0|AT+GROUPMOD=0
... ... @@ -36,7 +36,7 @@
36 36  |AT+DI2TODO2=2 |AT+DI2TODO2=2
37 37  |AT+DI2TORO2=2|AT+DI2TORO2=2
38 38  
39 -== **2.3.  Serial port display** ==
42 +== **2.2  Point To Mult-Point ** ==
40 40  
41 41  
42 42  [[image:image-20220602111219-2.png]]
... ... @@ -46,4 +46,152 @@
46 46  
47 47  If the sender does not get the ACK reply from the receiver, it will retransmit up to 4 times, each interval is 6 seconds, and the UplinkCounter of the retransmission will not increase.
48 48  
52 +
53 +== **2.3 AT command** ==
54 +
55 +
56 +ATZ :  Trig a reset of the MCU
57 +
58 +AT+FDR : Reset Parameters to Factory Default, Keys Reserve
59 +
60 +AT+FCU : Get or Set the Frame Counter Uplink
61 +
62 +AT+FCD : Get or Set the Frame Counter Downlink
63 +
64 +AT+TXP : Get or Set the transmit power, the maximum is 20dBm (default is 14dBm)
65 +
66 +AT+SYNC : Get or Set the Sync word [1:0x34,0:0x12] (default is 1)
67 +
68 +AT+PMB : Get or Set the preamble (default:8)
69 +
70 +AT+TXCHS : Get or Set the transmit frequency of TX (default:868700000)
71 +
72 +AT+TXSF : Get or Set the spreading factor of TX (7 to 12) (default:12)
73 +
74 +AT+RXCHS : Get or Set the transmit frequency of RX (default:869000000)
75 +
76 +AT+RXSF : Get or Set the spreading factor of RX (7 to 12) (default:12)
77 +
78 +AT+BW : Get or Set the bandwidth [0:125khz,1:250khz,2:500khz] (default:0)
79 +
80 +AT+CR : Get or Set the coding rate [1: 4/5, 2: 4/6, 3: 4/7, 4: 4/8] (default:1)
81 +
82 +AT+TDC : Get or set the application data transmission interval in ms(default 10 minutes)
83 +
84 +AT+VER : Get firmware version number
85 +
86 +AT+SEND : Set Custom sent hex data
87 +
88 +AT+GROUPMOD : Set or Get the grouping mode of the device (default: 0)
89 +
90 +AT+GROUPID : Set or Get the password for matching between TX group and RX group, which can be composed of numbers or characters (default: 12345678)
91 +
92 +AT+TRIG1 : Set or Get the DI1 pin interrupt trigger mode (default 0,0)
93 +
94 +AT+TRIG2 : Set or Get the DI2 pin interrupt trigger mode (default 0,0)
95 +
96 +AT+DI1TODO1 : Set or get the mode in which DI1 maps to DO1 (default 0)
97 +
98 +AT+DI1TORO1 : Set or get the mode in which DI1 maps to RO1(default 0)
99 +
100 +AT+DI2TODO2 : Set or get the mode in which DI2 maps to DO2(default 0)
101 +
102 +AT+DI2TORO2 : Set or get the mode in which DI2 maps to RO2(default 0)
103 +
104 +
105 +
106 +**Example1:** AT+SEND=01020304 will send a payload of 01020304
107 +
108 +
109 +i.g. AT+TRIGx=a  Trigger directly without triggering time
110 +
111 +AT+TRIGx=a,b  a=0, falling edge;
112 +
113 +a=1, rising edge;
114 +
115 + a=2, falling edge or rising edge.
116 +
117 + b, triggering time in milliseconds
118 +
119 + AT+TRIGx=2,50  Falling edge or rising edge trigger, and the trigger time exceeds 50ms
120 +
121 +
122 +i.g. AT+DI1TODO1= maps value
123 +
124 + AT+DI1TORO1= maps value
125 +
126 +AT+DI2TODO2= maps value
127 +
128 +AT+DI2TORO2= maps value
129 +
130 +
131 +
132 +
133 +(% border="1" style="background-color:#f7faff; color:black; width:706px" %)
134 +|=(% style="width: 102px;" %)Maps value|=(% style="width: 331px;" %)DIx to DOx|=(% style="width: 268px;" %)DIx to ROx
135 +|(% style="width:102px" %)0|(% style="width:331px" %)No Action|(% style="width:268px" %)No Action
136 +|(% style="width:102px" %)1|(% style="width:331px" %)If DIx is high, control DOx to output low level, If DIx is low, control DOx to output high level|(% style="width:268px" %)(((
137 +If DIx is high, control ROx to close,
138 +
139 +if DIx is low, control ROx to open
140 +)))
141 +|(% style="width:102px" %)2|(% style="width:331px" %)If DIx is high, control DOx to output high level, If DIx is low, control DOx to output low level|(% style="width:268px" %)(((
142 +If DIx is high, control ROx to open,
143 +
144 +if DIx is low, control ROx to close
145 +)))
146 +|(% style="width:102px" %)3|(% style="width:331px" %)DOx state flip|(% style="width:268px" %)ROx state flip
147 +
148 +i.g. AT+GROUPMOD=0  Set to point to point mode
149 +
150 +AT+GROUPMOD=0,aa  Set the TX group that controls the number of aa (The maximum value of aa is 8)
151 +
152 +AT+GROUPMOD=1,bb   Set to the RX group controlled by the TX group, numbered bb(The maximum value of aa is 8)
153 +
154 +
155 +AT+GROUPMOD=0,2  Set to control the TX group of the two RX groups
156 +
157 +AT+GROUPMOD=1,1  Set the RX group numbered 1
158 +
159 +AT+GROUPMOD=1,2  Set the RX group numbered 2
160 +
161 +
162 +
163 +== **2.4 Data Format** ==
164 +
165 +8 bytes of GROUPID + 9 bytes of payload + 4 bytes of checksum
166 +
167 +
168 +Payload:
169 +
170 +(% border="1" style="background-color:#f7faff; color:black; width:938px" %)
171 +|=(% style="width: 123px;" %)**Size (bytes)**|=(% style="width: 107px;" %)1|=(% style="width: 107px;" %)1|=(% style="width: 107px;" %)1|=(% style="width: 107px;" %)1|=(% style="width: 107px;" %)1|=(% style="width: 107px;" %)1|=(% style="width: 107px;" %)1|=(% style="width: 107px;" %)1|=(% style="width: 107px;" %)1
172 +|(% style="width:123px" %)**Value**|(% style="width:38px" %)address|(% style="width:70px" %)request|(% style="width:52px" %)ACK|(% style="width:127px" %)(((
173 +DI1&
174 +
175 +DI1 level
176 +)))|(% style="width:101px" %)DI1TODO1|(% style="width:91px" %)DI1TORO1|(% style="width:111px" %)(((
177 +DI2&
178 +
179 +DI2 level
180 +)))|(% style="width:105px" %)DI2TODO2|(% style="width:106px" %)DI2TORO2
181 +
182 +**The first byte**: 00 is the broadcast address, 01-08 is the RX group number
183 +
184 +**The second byte**: send mapping request when not 0, not request when it is 0
185 +
186 +**The third byte**: ACK returned to the sender after the mapping is completed
187 +
188 +**The fourth byte**: the high four bits are 1 to represent DI1, and the low four bits are the level of DI1 when the interrupt is triggered
189 +
190 +**The Fifth byte**: DI1TODO1 when the interrupt is triggered, 0 when the interrupt is not triggered
191 +
192 +**The Sixth byte**: 0 does not trigger interrupt when DI1TORO1 interrupt is triggered
193 +
194 +**The seventh byte**: the high four bits are 2 to represent DI2, and the low four bits are the level of DI2 when the interrupt is triggered
195 +
196 +**The 8th byte**: DI2TODO2 when the interrupt is triggered, 0 when the interrupt is not triggered
197 +
198 +**The 9th byte**: DI2TORO2 when an interrupt is triggered, 0 when an interrupt is not triggered
199 +
49 49  

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