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3.2 MAC commands
3.2.1 mac tx <Type> <PortNum> <Data>
<Type>: a string representing type of transmitting message, it can be cnf (confirmed) or ucnf
(unconfirmed).
<PortNum>: a decimal string representing port number used for transmission, it can be from 1 to
223.
<Data>: a hexadecimal string representing data to be transmitted.
(e.g. 98ba34fd means "0x98, 0xba, 0x34, 0xfd 4bytes would be sent out")
Response: there are two responses after entering this command. The first response will be received
after entering command. The second response will be received after transmission.
First response: Ok, if <Type>, <PortNum> and <Data> strings are valid.
Invalid, if <Type>, <PortNum> and <Data> strings are not valid.
not_joined, module is not joined LoRaWAN
no_free_ch, no channels are available.
busy, internal state is busy.
invalid_data_length, data length is larger than the allowed length by LoRaWAN
exceeded_data_length, data length is larger than 250 bytes.
Second response:
Purpose: Star transmission by following LoRaWAN
Example:
mac tx ucnf 15 98ba34fd
>> Ok
>> tx_ok
mac tx ucnf 15 6805
>> Ok
>> mac rx 4 1234abcd
tx_ok, successfully transmit data.
mac rx <portnum> <data>, there is downlink data.
<portnum> - a decimal string representing receiving port
<data> - a hexadecimal string representing received data.
err, acknowledgement is not received, if confirmed message is used.
Product Name
TM
.
TM
uplink format.
S76G/S78G Commands Set Reference
Version
v1.6.5
Doc No
Date
July 2, 2018
Page
21 of 73
TM
.
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