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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... ... @@ -26,6 +26,7 @@ 26 26 (% class="wikigeneratedid" id="H2.2.Configure" %) 27 27 (% style="color:blue" %)**Configure:** 28 28 29 + 29 29 (% border="1" style="background-color:#f7faff; color:black; width:500px" %) 30 30 |=**A's configuration**|=**B's configuration** 31 31 |AT+GROUPMOD=0|AT+GROUPMOD=0 ... ... @@ -38,8 +38,6 @@ 38 38 |AT+DI2TODO2=2 |AT+DI2TODO2=2 39 39 |AT+DI2TORO2=2|AT+DI2TORO2=2 40 40 41 - 42 - 43 43 == **2.2 Point To Mult-Point ** == 44 44 45 45 ... ... @@ -48,9 +48,7 @@ 48 48 49 49 [[image:image-20220602111219-3.png]] 50 50 51 -((( 52 52 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. 53 -))) 54 54 55 55 56 56 == **2.3 AT command** == ... ... @@ -66,7 +66,7 @@ 66 66 67 67 (% style="color:#037691" %)**AT+TXP** (%%)**:** Get or Set the transmit power, the maximum is 20dBm (default is 14dBm) 68 68 69 -(% style="color:#037691" %)**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) 70 70 71 71 (% style="color:#037691" %)**AT+PMB** (%%)**: **Get or Set the preamble (default:8) 72 72 ... ... @@ -84,9 +84,9 @@ 84 84 85 85 (% style="color:#037691" %)**AT+TDC **(%%)**:** Get or set the application data transmission interval in ms(default 10 minutes) 86 86 87 -(% style="color:#037691" %)**AT+VER **(%%)**:** Get firmware version number 84 +(% style="color:#037691" %)**AT+VER **(%%)**:** Get firmware version number 88 88 89 -(% style="color:#037691" %)**AT+SEND **(%%)**: **Set Custom sent hex data 86 +(% style="color:#037691" %)**AT+SEND **(%%)**: **Set Custom sent hex data 90 90 91 91 (% style="color:#037691" %)**AT+GROUPMOD **(%%)**: **Set or Get the grouping mode of the device (default: 0) 92 92 ... ... @@ -113,7 +113,7 @@ 113 113 114 114 (% style="color:#4f81bd" %)**Example 2: ** 115 115 116 -**AT+TRIGx=a 113 +**AT+TRIGx=a **Trigger directly without triggering time 117 117 118 118 **AT+TRIGx=a,b** 119 119 ... ... @@ -154,6 +154,7 @@ 154 154 ))) 155 155 |(% style="width:102px" %)3|(% style="width:331px" %)DOx state flip|(% style="width:268px" %)ROx state flip 156 156 154 + 157 157 (% style="color:#4f81bd" %)**Example 4: ** 158 158 159 159 **AT+GROUPMOD=0** Set to point to point mode ... ... @@ -169,12 +169,13 @@ 169 169 **AT+GROUPMOD=1,2** Set the RX group numbered 2 170 170 171 171 170 + 172 172 == **2.4 Data Format** == 173 173 174 174 8 bytes of GROUPID + 9 bytes of payload + 4 bytes of checksum 175 175 176 176 177 - (% style="color:#4f81bd" %)**Payload:**176 +**Payload:** 178 178 179 179 (% border="1" style="background-color:#f7faff; color:black; width:938px" %) 180 180 |=(% 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