Changes for page Point to Point Communication of LT-22222-L
Last modified by Edwin Chen on 2022/11/22 09:38
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... ... @@ -65,7 +65,7 @@ 65 65 66 66 (% style="color:#037691" %)**AT+SYNC** (%%)**:** Get or Set the Sync word [1:0x34,0:0x12] (default is 1) 67 67 68 -(% style="color:#037691" %)**AT+PMB** (%%)**: 68 +(% style="color:#037691" %)**AT+PMB** (%%)**: **Get or Set the preamble (default:8) 69 69 70 70 (% style="color:#037691" %)**AT+TXCHS **(%%)**:** Get or Set the transmit frequency of TX (default:868700000) 71 71 ... ... @@ -75,61 +75,67 @@ 75 75 76 76 (% style="color:#037691" %)**AT+RXSF **(%%)**:** Get or Set the spreading factor of RX (7 to 12) (default:12) 77 77 78 -(% style="color:#037691" %)**AT+BW **(%%)**: 78 +(% style="color:#037691" %)**AT+BW **(%%)**: **Get or Set the bandwidth [0:125khz,1:250khz,2:500khz] (default:0) 79 79 80 -(% style="color:#037691" %)**AT+CR **(%%)**: 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 82 (% style="color:#037691" %)**AT+TDC **(%%)**:** Get or set the application data transmission interval in ms(default 10 minutes) 83 83 84 84 (% style="color:#037691" %)**AT+VER **(%%)**:** Get firmware version number 85 85 86 -(% style="color:#037691" %)**AT+SEND **(%%)**: 86 +(% style="color:#037691" %)**AT+SEND **(%%)**: **Set Custom sent hex data 87 87 88 88 (% style="color:#037691" %)**AT+GROUPMOD **(%%)**: **Set or Get the grouping mode of the device (default: 0) 89 89 90 -(% style="color:#037691" %)**AT+GROUPID **(%%)**: 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 92 (% style="color:#037691" %)**AT+TRIG1 **(%%)**:** Set or Get the DI1 pin interrupt trigger mode (default 0,0) 93 93 94 -(% style="color:#037691" %)**AT+TRIG2 **(%%)**: 94 +(% style="color:#037691" %)**AT+TRIG2 **(%%)**: **Set or Get the DI2 pin interrupt trigger mode (default 0,0) 95 95 96 -(% style="color:#037691" %)**AT+DI1TODO1 **(%%)**: 96 +(% style="color:#037691" %)**AT+DI1TODO1 **(%%)**: **Set or get the mode in which DI1 maps to DO1 (default 0) 97 97 98 -(% style="color:#037691" %)**AT+DI1TORO1 **(%%)**: 98 +(% style="color:#037691" %)**AT+DI1TORO1 **(%%)**: **Set or get the mode in which DI1 maps to RO1(default 0) 99 99 100 100 (% style="color:#037691" %)**AT+DI2TODO2 **(%%)**:** Set or get the mode in which DI2 maps to DO2(default 0) 101 101 102 -(% style="color:#037691" %)**AT+DI2TORO2 **(%%)**: 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 01020304106 +(% 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=0, fallingedge;111 +(% style="color:#4f81bd" %)**Example 2: ** 112 112 113 - a=1,rising;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, triggeringtimein milliseconds117 +a=0: falling edge; 118 118 119 - AT+TRIGx=2,50Falling edge orrising edgetrigger, and the trigger time exceeds 50ms119 +a=1: rising edge; 120 120 121 +a=2: falling edge or rising edge; 121 121 122 -i .g.AT+DI1TODO1=mapsvalue123 +b: triggering time in milliseconds. 123 123 124 - DI1TORO1=mapsvalue125 +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=mapsvalue128 +(% 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,aaSettheTX group thatcontrols the numberofaa (The maximum valueofaa is 8)155 +(% style="color:#4f81bd" %)**Example 4: ** 151 151 152 -AT+GROUPMOD= 1,bbthe RX groupcontrolledbythe TX group,numberedbb(Themaximum valueof 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= 0,2Set to control the TX groupofthetwoRXgroups161 +**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= 1,1Set theRX groupnumbered1163 +**AT+GROUPMOD=0,2** Set to control the TX group of the two RX groups 158 158 159 -AT+GROUPMOD=1, 2Set the RX group numbered2165 +**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