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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... ... @@ -26,7 +26,6 @@ 26 26 (% class="wikigeneratedid" id="H2.2.Configure" %) 27 27 (% style="color:blue" %)**Configure:** 28 28 29 - 30 30 (% border="1" style="background-color:#f7faff; color:black; width:500px" %) 31 31 |=**A's configuration**|=**B's configuration** 32 32 |AT+GROUPMOD=0|AT+GROUPMOD=0 ... ... @@ -39,6 +39,7 @@ 39 39 |AT+DI2TODO2=2 |AT+DI2TODO2=2 40 40 |AT+DI2TORO2=2|AT+DI2TORO2=2 41 41 41 + 42 42 == **2.2 Point To Mult-Point ** == 43 43 44 44 ... ... @@ -47,7 +47,9 @@ 47 47 48 48 [[image:image-20220602111219-3.png]] 49 49 50 +((( 50 50 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. 52 +))) 51 51 52 52 53 53 == **2.3 AT command** == ... ... @@ -75,7 +75,7 @@ 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 **(%%)**: 80 +(% style="color:#037691" %)**AT+BW **(%%)**: **Get or Set the bandwidth [0:125khz,1:250khz,2:500khz] (default:0) 79 79 80 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 ... ... @@ -83,11 +83,13 @@ 83 83 84 84 (% style="color:#037691" %)**AT+VER **(%%)**:** Get firmware version number 85 85 86 -(% style="color:#037691" %)**AT+SEND **(%%)**: 88 +(% 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 92 +((( 90 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) 94 +))) 91 91 92 92 (% style="color:#037691" %)**AT+TRIG1 **(%%)**:** Set or Get the DI1 pin interrupt trigger mode (default 0,0) 93 93 ... ... @@ -157,7 +157,9 @@ 157 157 158 158 **AT+GROUPMOD=0,aa** Set the TX group that controls the number of aa (The maximum value of aa is 8) 159 159 164 +((( 160 160 **AT+GROUPMOD=1,bb** Set to the RX group controlled by the TX group, numbered bb(The maximum value of aa is 8) 166 +))) 161 161 162 162 **AT+GROUPMOD=0,2** Set to control the TX group of the two RX groups 163 163 ... ... @@ -191,13 +191,17 @@ 191 191 192 192 (% style="color:#037691" %)**The third byte**(%%)**:** ACK returned to the sender after the mapping is completed. 193 193 200 +((( 194 194 (% 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. 202 +))) 195 195 196 196 (% style="color:#037691" %)**The Fifth byte**(%%)**: **DI1TODO1 when the interrupt is triggered, 0 when the interrupt is not triggered. 197 197 198 198 (% style="color:#037691" %)**The Sixth byte**(%%)**:** 0 does not trigger interrupt when DI1TORO1 interrupt is triggered. 199 199 208 +((( 200 200 (% 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. 210 +))) 201 201 202 202 (% style="color:#037691" %)**The 8th byte**(%%)**: **DI2TODO2 when the interrupt is triggered, 0 when the interrupt is not triggered. 203 203