Shell script for testing mqtt with data sent from ESP32 LoRa to LG01-P

testmqttvar

#!/bin/sh



#The following code demonstrates a sending mqtt messages with data variables
# publish to topic yhtest with message data from LoRa 

#$1 refers to the first data sent from the arduino MCU to the Linux module in the LG01-P ( data sent from ESP32 LoRa ) 

DATA=$1

HOST=broker.hivemq.com

PORT=1883

MSG=yhtest


mosquitto_pub -h broker.hivemq.com -p 1883 -t yhtest -m $1 

# to check aforementioned code using mosquitto cli , copy the following line of code

#mosquitto_sub -h broker.hivemq.com -p 1883 -t yhtest 

# the following code shows portion of the code subsitied with shell varaibles to make it easier to modify cli command 

# publish to topic yhtes1 with message data from ESP32 LoRa  to mosquitto broker 

#mosquitto_pub -h $HOST -p $PORT -t $MSG -m "$1"

# to check aforementioned code using mosquitto cli , copy the following line of code

#mosquitto_sub -h broker.hivemq.com -p 1883 -t yhtest