Last modified by Edwin Chen on 2022/11/22 09:38
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From version < 8.5 >
edited by Xiaoling
on 2022/06/02 13:51
To version < 8.7 >
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53 53  == **2.3 AT command** ==
54 54  
55 55  
56 -ATZ :  Trig a reset of the MCU
56 +(% style="color:#037691" %)**ATZ** (%%)**: ** Trig a reset of the MCU
57 57  
58 -AT+FDR : Reset Parameters to Factory Default, Keys Reserve
58 +(% style="color:#037691" %)**AT+FDR** (%%)**:**  Reset Parameters to Factory Default, Keys Reserve
59 59  
60 -AT+FCU : Get or Set the Frame Counter Uplink
60 +(% style="color:#037691" %)**AT+FCU** (%%)**:**  Get or Set the Frame Counter Uplink
61 61  
62 -AT+FCD : Get or Set the Frame Counter Downlink
62 +(% style="color:#037691" %)**AT+FCD** (%%)**:**  Get or Set the Frame Counter Downlink
63 63  
64 -AT+TXP : Get or Set the transmit power, the maximum is 20dBm (default is 14dBm)
64 +(% style="color:#037691" %)**AT+TXP** (%%)**:**  Get or Set the transmit power, the maximum is 20dBm (default is 14dBm)
65 65  
66 -AT+SYNC : Get or Set the Sync word [1:0x34,0:0x12] (default is 1)
66 +(% style="color:#037691" %)**AT+SYNC** (%%)**:**  Get or Set the Sync word [1:0x34,0:0x12] (default is 1)
67 67  
68 -AT+PMB : Get or Set the preamble (default:8)
68 +(% style="color:#037691" %)**AT+PMB** (%%)**:    **Get or Set the preamble (default:8)
69 69  
70 -AT+TXCHS : Get or Set the transmit frequency of TX (default:868700000)
70 +(% style="color:#037691" %)**AT+TXCHS **(%%)**:** Get or Set the transmit frequency of TX (default:868700000)
71 71  
72 -AT+TXSF : Get or Set the spreading factor of TX (7 to 12) (default:12)
72 +(% style="color:#037691" %)**AT+TXSF **(%%)**:**  Get or Set the spreading factor of TX (7 to 12) (default:12)
73 73  
74 -AT+RXCHS : Get or Set the transmit frequency of RX (default:869000000)
74 +(% style="color:#037691" %)**AT+RXCHS **(%%)**:** Get or Set the transmit frequency of RX (default:869000000)
75 75  
76 -AT+RXSF : Get or Set the spreading factor of RX (7 to 12) (default:12)
76 +(% style="color:#037691" %)**AT+RXSF **(%%)**:**  Get or Set the spreading factor of RX (7 to 12) (default:12)
77 77  
78 -AT+BW : Get or Set the bandwidth [0:125khz,1:250khz,2:500khz] (default:0)
78 +(% style="color:#037691" %)**AT+BW **(%%)**:       **Get or Set the bandwidth [0:125khz,1:250khz,2:500khz] (default:0)
79 79  
80 -AT+CR : Get or Set the coding rate [1: 4/5, 2: 4/6, 3: 4/7, 4: 4/8] (default:1)
80 +(% style="color:#037691" %)**AT+CR **(%%)**:        **Get or Set the coding rate [1: 4/5, 2: 4/6, 3: 4/7, 4: 4/8] (default:1)
81 81  
82 -AT+TDC : Get or set the application data transmission interval in ms(default 10 minutes)
82 +(% style="color:#037691" %)**AT+TDC **(%%)**:**  Get or set the application data transmission interval in ms(default 10 minutes)
83 83  
84 -AT+VER : Get firmware version number
84 +(% style="color:#037691" %)**AT+VER **(%%)**:**  Get firmware version number
85 85  
86 -AT+SEND : Set Custom sent hex data
86 +(% style="color:#037691" %)**AT+SEND **(%%)**:    **Set Custom sent hex data
87 87  
88 -AT+GROUPMOD : Set or Get the grouping mode of the device (default: 0)
88 +(% style="color:#037691" %)**AT+GROUPMOD **(%%)**: **Set or Get the grouping mode of the device (default: 0)
89 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)
90 +(% style="color:#037691" %)**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 91  
92 -AT+TRIG1 : Set or Get the DI1 pin interrupt trigger mode (default 0,0)
92 +(% style="color:#037691" %)**AT+TRIG1 **(%%)**:**  Set or Get the DI1 pin interrupt trigger mode (default 0,0)
93 93  
94 -AT+TRIG2 : Set or Get the DI2 pin interrupt trigger mode (default 0,0)
94 +(% style="color:#037691" %)**AT+TRIG2 **(%%)**:            **Set or Get the DI2 pin interrupt trigger mode (default 0,0)
95 95  
96 -AT+DI1TODO1 : Set or get the mode in which DI1 maps to DO1 (default 0)
96 +(% style="color:#037691" %)**AT+DI1TODO1 **(%%)**:    **Set or get the mode in which DI1 maps to DO1 (default 0)
97 97  
98 -AT+DI1TORO1 : Set or get the mode in which DI1 maps to RO1(default 0)
98 +(% style="color:#037691" %)**AT+DI1TORO1 **(%%)**:    **Set or get the mode in which DI1 maps to RO1(default 0)
99 99  
100 -AT+DI2TODO2 : Set or get the mode in which DI2 maps to DO2(default 0)
100 +(% style="color:#037691" %)**AT+DI2TODO2 **(%%)**:**  Set or get the mode in which DI2 maps to DO2(default 0)
101 101  
102 -AT+DI2TORO2 : Set or get the mode in which DI2 maps to RO2(default 0)
102 +(% style="color:#037691" %)**AT+DI2TORO2 **(%%)**:    **Set or get the mode in which DI2 maps to RO2(default 0)
103 103  
104 104  
105 105  
106 -**Example1:** AT+SEND=01020304 will send a payload of 01020304
106 +(% style="color:#4f81bd" %)**Example 1:**
107 107  
108 +**AT+SEND=01020304 **will send a payload of 01020304
108 108  
109 -i.g. AT+TRIGx=a  Trigger directly without triggering time
110 110  
111 -AT+TRIGx=a,b  a=0, falling edge;
111 +(% style="color:#4f81bd" %)**Example 2: **
112 112  
113 -a=1, rising edge;
113 +**AT+TRIGx=a  **Trigger directly without triggering time
114 114  
115 - a=2, falling edge or rising edge.
115 +**AT+TRIGx=a,b**
116 116  
117 - b, triggering time in milliseconds
117 +a=0: falling edge;
118 118  
119 - AT+TRIGx=2,50  Falling edge or rising edge trigger, and the trigger time exceeds 50ms
119 +a=1: rising edge;
120 120  
121 +a=2: falling edge or rising edge;
121 121  
122 -i.g. AT+DI1TODO1= maps value
123 +b:  triggering time in milliseconds.
123 123  
124 - AT+DI1TORO1= maps value
125 +AT+TRIGx=2,50  Falling edge or rising edge trigger, and the trigger time exceeds 50ms.
125 125  
126 -AT+DI2TODO2= maps value
127 127  
128 -AT+DI2TORO2= maps value
128 +(% style="color:#4f81bd" %)**Example 3: **
129 129  
130 +**AT+DI1TODO1= maps value**
130 130  
132 +**AT+DI1TORO1= maps value**
131 131  
134 +**AT+DI2TODO2= maps value**
132 132  
136 +**AT+DI2TORO2= maps value**
137 +
138 +
133 133  (% border="1" style="background-color:#f7faff; color:black; width:706px" %)
134 134  |=(% style="width: 102px;" %)Maps value|=(% style="width: 331px;" %)DIx to DOx|=(% style="width: 268px;" %)DIx to ROx
135 135  |(% style="width:102px" %)0|(% style="width:331px" %)No Action|(% style="width:268px" %)No Action
... ... @@ -145,21 +145,23 @@
145 145  )))
146 146  |(% style="width:102px" %)3|(% style="width:331px" %)DOx state flip|(% style="width:268px" %)ROx state flip
147 147  
148 -i.g. AT+GROUPMOD=0  Set to point to point mode
149 149  
150 -AT+GROUPMOD=0,aa  Set the TX group that controls the number of aa (The maximum value of aa is 8)
155 +(% style="color:#4f81bd" %)**Example 4: **
151 151  
152 -AT+GROUPMOD=1,bb   Set to the RX group controlled by the TX group, numbered bb(The maximum value of aa is 8)
157 +**AT+GROUPMOD=0**  Set to point to point mode
153 153  
159 +**AT+GROUPMOD=0,aa**  Set the TX group that controls the number of aa (The maximum value of aa is 8)
154 154  
155 -AT+GROUPMOD=0,2  Set to control the TX group of the two RX groups
161 +**AT+GROUPMOD=1,bb**  Set to the RX group controlled by the TX group, numbered bb(The maximum value of aa is 8)
156 156  
157 -AT+GROUPMOD=1,1  Set the RX group numbered 1
163 +**AT+GROUPMOD=0,2**  Set to control the TX group of the two RX groups
158 158  
159 -AT+GROUPMOD=1,2  Set the RX group numbered 2
165 +**AT+GROUPMOD=1,1**  Set the RX group numbered 1
160 160  
167 +**AT+GROUPMOD=1,2**  Set the RX group numbered 2
161 161  
162 162  
170 +
163 163  == **2.4 Data Format** ==
164 164  
165 165  8 bytes of GROUPID + 9 bytes of payload + 4 bytes of checksum
... ... @@ -187,13 +187,13 @@
187 187  
188 188  (% style="color:#037691" %)**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.
189 189  
190 -(% style="color:#037691" %)**The Fifth byte**(%%)**:  **DI1TODO1 when the interrupt is triggered, 0 when the interrupt is not triggered.
198 +(% style="color:#037691" %)**The Fifth byte**(%%)**:       **DI1TODO1 when the interrupt is triggered, 0 when the interrupt is not triggered.
191 191  
192 192  (% style="color:#037691" %)**The Sixth byte**(%%)**:**  0 does not trigger interrupt when DI1TORO1 interrupt is triggered.
193 193  
194 194  (% style="color:#037691" %)**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.
195 195  
196 -(% style="color:#037691" %)**The 8th byte**(%%)**:  **DI2TODO2 when the interrupt is triggered, 0 when the interrupt is not triggered.
204 +(% style="color:#037691" %)**The 8th byte**(%%)**:          **DI2TODO2 when the interrupt is triggered, 0 when the interrupt is not triggered.
197 197  
198 198  (% style="color:#037691" %)**The 9th byte**(%%)**:**  DI2TORO2 when an interrupt is triggered, 0 when an interrupt is not triggered.
199 199  

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