Upload script

esp32/host/Readme.md

@@ -12,7 +12,6 @@ For further details have a look at the Readme.md one level above.
 
 # Remote Upload
 
-
 This script will allow you to send an OTA update to your device.
 
 ## Installation
@@ -22,6 +21,12 @@ Requirements are:
 
 ## Usage
 
+See ***upload-via-mqtt.sh***
+
+# Remote Upload - Backend
+
+## Usage
+
 ```text
 usage: ota_updater.py [-h] -l BROKER_HOST -p BROKER_PORT [-u BROKER_USERNAME]
                       [-d BROKER_PASSWORD] [-t BASE_TOPIC] -i DEVICE_ID

esp32/host/upload-via-mqtt.sh

@@ -0,0 +1,27 @@
+#!//bin/bash
+
+if [ $# -ne 3 ]; then
+	echo "Homie prefex and device index must be specified:"
+	echo "$0 <mqtt host> <prefix> <device index>"
+	echo "e.g."
+	echo "$0 192.168.0.2 test/ MyDeviceId"
+	exit 1
+fi
+
+mqttHost=$1
+mqttPrefix=$2
+homieId=$3
+firmwareFile=../.pio/build/esp32doit-devkit-v1/firmware.bin
+
+if [ ! -f $firmwareFile ]; then
+	echo "the script $0 must be started in host/ sub directory"
+	exit 2
+fi
+
+mosquitto_pub -h $mqttHost -t "${mqttPrefix}${homieId}/stay/alive/set" -m "1" -r
+echo "Waiting ..."
+mosquitto_sub -h $mqttHost -t "${mqttPrefix}${homieId}/#" -R -C 1
+python ota_updater.py -l $mqttHost -t "$mqttPrefix" -i "$homieId" $firmwareFile
+
+mosquitto_pub -h $mqttHost -t "${mqttPrefix}${homieId}/stay/alive/set" -m "0" -r
+exit 0