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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... ... @@ -63,9 +63,9 @@ 63 63 64 64 (% style="color:#037691" %)**AT+TXP** (%%)**:** Get or Set the transmit power, the maximum is 20dBm (default is 14dBm) 65 65 66 -(% 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) 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 ... ... @@ -77,65 +77,59 @@ 77 77 78 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 -(% style="color:#037691" %)**AT+VER **(%%)**:** Get firmware version number 84 +(% style="color:#037691" %)**AT+VER **(%%)**:** Get firmware version number 85 85 86 -(% style="color:#037691" %)**AT+SEND **(%%)**: **Set Custom sent hex data 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 - (% style="color:#4f81bd" %)**Example106 +**Example1:** AT+SEND=01020304 will send a payload of 01020304 107 107 108 -**AT+SEND=01020304 **will send a payload of 01020304 109 109 109 +i.g. AT+TRIGx=a Trigger directly without triggering time 110 110 111 - (% style="color:#4f81bd"%)**Example2: **111 +AT+TRIGx=a,b a=0, falling edge; 112 112 113 - **AT+TRIGx=a**Trigger directly without triggeringtime113 +a=1, rising edge; 114 114 115 - **AT+TRIGx=a,b**115 + a=2, falling edge or rising edge. 116 116 117 - a=0:falling edge;117 + b, triggering time in milliseconds 118 118 119 - a=1:rising edge;119 + AT+TRIGx=2,50 Falling edge or rising edge trigger, and the trigger time exceeds 50ms 120 120 121 -a=2: falling edge or rising edge; 122 122 123 - b: triggeringtimeinmilliseconds.122 +i.g. AT+DI1TODO1= maps value 124 124 125 -AT+TR IGx=2,50Falling edge or risingedge trigger,and thetrigger time exceeds 50ms.124 + AT+DI1TORO1= maps value 126 126 126 +AT+DI2TODO2= maps value 127 127 128 - (% style="color:#4f81bd"%)**Example3: **128 +AT+DI2TORO2= maps value 129 129 130 -**AT+DI1TODO1= maps value** 131 131 132 -**AT+DI1TORO1= maps value** 133 133 134 -**AT+DI2TODO2= maps value** 135 135 136 -**AT+DI2TORO2= maps value** 137 - 138 - 139 139 (% border="1" style="background-color:#f7faff; color:black; width:706px" %) 140 140 |=(% style="width: 102px;" %)Maps value|=(% style="width: 331px;" %)DIx to DOx|=(% style="width: 268px;" %)DIx to ROx 141 141 |(% style="width:102px" %)0|(% style="width:331px" %)No Action|(% style="width:268px" %)No Action ... ... @@ -151,27 +151,27 @@ 151 151 ))) 152 152 |(% style="width:102px" %)3|(% style="width:331px" %)DOx state flip|(% style="width:268px" %)ROx state flip 153 153 154 - (%style="color:#4f81bd"%)**Example4:**148 +i.g. AT+GROUPMOD=0 Set to point to point mode 155 155 156 - **AT+GROUPMOD=0**opointtopoint mode150 +AT+GROUPMOD=0,aa Set the TX group that controls the number of aa (The maximum value of aa is 8) 157 157 158 - **AT+GROUPMOD=0,aa**Set theTX groupthatcontrolsthe numberof aa(The maximum value of aa is 8)152 +AT+GROUPMOD=1,bb Set to the RX group controlled by the TX group, numbered bb(The maximum value of aa is 8) 159 159 160 -**AT+GROUPMOD=1,bb** Set to the RX group controlled by the TX group, numbered bb(The maximum value of aa is 8) 161 161 162 - **AT+GROUPMOD=0,2**155 +AT+GROUPMOD=0,2 Set to control the TX group of the two RX groups 163 163 164 - **AT+GROUPMOD=1,1**157 +AT+GROUPMOD=1,1 Set the RX group numbered 1 165 165 166 - **AT+GROUPMOD=1,2**159 +AT+GROUPMOD=1,2 Set the RX group numbered 2 167 167 168 168 162 + 169 169 == **2.4 Data Format** == 170 170 171 171 8 bytes of GROUPID + 9 bytes of payload + 4 bytes of checksum 172 172 173 173 174 - (% style="color:#4f81bd" %)**Payload:**168 +**Payload:** 175 175 176 176 (% border="1" style="background-color:#f7faff; color:black; width:938px" %) 177 177 |=(% 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