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raphmurraphmur
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Auto calculation of MAC from VIN
Credit to https://github.com/BogdanDIA
1 parent 727ff37 commit 8953f8d

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-16
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4 files changed

+104
-16
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‎tesla_ble_mqtt/Dockerfile‎

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Original file line numberDiff line numberDiff line change
@@ -19,7 +19,8 @@ RUN apk add --no-cache \
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openssl \
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bluez \
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mosquitto-clients \
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python3
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python3 \
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py-cryptography
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# Python 3 HTTP Server serves the current working dir
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WORKDIR /data

‎tesla_ble_mqtt/config.yaml‎

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@@ -1,5 +1,5 @@
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name: "Tesla Local Commands"
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version: "0.0.8"
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name: "Tesla Local Commands local"
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version: "0.0.8b"
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slug: "tesla_local_commands"
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description: "Local BLE calls to control your Tesla."
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# url: "tbc"

‎tesla_ble_mqtt/rootfs/app/calc_ble_from_vin.sh‎

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@@ -0,0 +1,66 @@
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#!/bin/bash
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# Generate BLE_MAC from TESLA_VIN
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bashio::log.notice "TESLA_VIN: $TESLA_VIN. Calculating BLE_LOCAL_NAME..."
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function ble_mac_generate() {
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python3 - << __END_PY__
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from cryptography.hazmat.primitives import hashes;
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vin = bytes("$TESLA_VIN", "UTF8");
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digest = hashes.Hash(hashes.SHA1())
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digest.update(vin)
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vinSHA = digest.finalize().hex()
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middleSection = vinSHA[0:16]
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bleName = "S" + middleSection + "C"
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print(bleName)
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__END_PY__
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}
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BLE_LOCAL_NAME=$(ble_mac_generate)
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# print BLE Local Name for which we want the MAC
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bashio::log.notice "BLE_LOCAL_NAME: $BLE_LOCAL_NAME. Start MAC finding..."
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# scan and store the list of found MACs, list is provided after timeout
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bluetoothctl --timeout 30 scan on | grep -o -E '([[:xdigit:]]{1,2}:){5}[[:xdigit:]]{1,2}' > scan-macs.txt
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sort scan-macs.txt | uniq > uniq_macs.txt
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# print the list of MACs we found
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bashio::log.info "Found MACS:"
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cat uniq_macs.txt
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# start scan again in another process so we can get the detailed info for each MAC
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bluetoothctl --timeout 20 scan on > /dev/zero &
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#xargs -0 -n 1 bluetoothctl info < <(tr \\n \\0 <scan-macs.txt) | grep "Name: $BLE_LOCAL_NAME"
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# cycle through all scanned MACs to find our MAC
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BLE_MAC=""
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while read mac; do
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INFO=$(bluetoothctl --timeout 1 info $mac)
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INFONAME=$(echo "$INFO" | grep "Name: $BLE_LOCAL_NAME")
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if [[ -n $INFONAME ]]; then
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bashio::log.info "Found Tesla $TESLA_VIN's MAC:"
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echo $mac > mac.txt
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INFORSSI=$(echo "$INFO" | grep "RSSI: ")
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bashio::log.info "$mac"
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bashio::log.info "$INFONAME"
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bashio::log.info "$INFORSSI"
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BLE_MAC="$mac"
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# kill bluetoothctl
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# killall `ps -aux | grep bluetoothctl | grep -v grep | awk '{ print $1 }'`
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break
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fi
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done < uniq_macs.txt
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if [ -z ${BLE_MAC-} ]; then
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bashio::log.info "No corresponding MAC address found: is the car close to the BLE device?"
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bashio::log.info "Will retry later"
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else
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bashio::log.info "End MAC finding: success $BLE_MAC"
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export BLE_MAC
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fi

‎tesla_ble_mqtt/rootfs/app/run.sh‎

Lines changed: 34 additions & 13 deletions
Original file line numberDiff line numberDiff line change
@@ -1,11 +1,11 @@
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#!/command/with-contenv bashio
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#set -e
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4-
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### INITIALIZE VARIABLES AND FUNCTIONS TO MAKE THIS .sh RUN ALSO STANDALONE ##########################################
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# read options in case of HA addon. Otherwise, they will be sent as environment variables
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if [ -n "${HASSIO_TOKEN:-}" ]; then
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TESLA_VIN="$(bashio::config 'vin')"; export TESLA_VIN
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BLE_MAC="$(bashio::config 'ble_mac')"; export BLE_MAC
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# BLE_MAC="$(bashio::config 'ble_mac')"; export BLE_MAC
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MQTT_IP="$(bashio::config 'mqtt_ip')"; export MQTT_IP
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MQTT_PORT="$(bashio::config 'mqtt_port')"; export MQTT_PORT
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MQTT_USER="$(bashio::config 'mqtt_user')"; export MQTT_USER
@@ -33,6 +33,7 @@ else
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function bashio::log.yellow { echo -e "${YELLOW}$1${NOCOLOR}"; }
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fi
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### INITIALIZE AND LOG CONFIG VARS ##################################################################################
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# Set log level to debug
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bashio::config.true debug && bashio::log.level debug
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@@ -42,7 +43,6 @@ bashio::log.cyan "Instructions by Shankar Kumarasamy https://shankarkumarasamy.b
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bashio::log.green "Configuration Options are:
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TESLA_VIN=$TESLA_VIN
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BLE_MAC=$BLE_MAC
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MQTT_IP=$MQTT_IP
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MQTT_PORT=$MQTT_PORT
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MQTT_USER=$MQTT_USER
@@ -58,7 +58,7 @@ else
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bashio::log.debug "/share/tesla_ble_mqtt already exists, existing keys can be reused"
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fi
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### DEFINE FUNCTIONS ###############################################################################################
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send_command() {
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for i in $(seq 5); do
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bashio::log.notice "Attempt $i/5 to send command"
@@ -94,7 +94,7 @@ send_key() {
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}
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9696
listen_to_ble() {
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bashio::log.info "Listening to BLE for presence"
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bashio::log.notice "Listening to BLE for presence"
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PRESENCE_TIMEOUT=5
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set +e
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bluetoothctl --timeout $PRESENCE_TIMEOUT scan on | grep $BLE_MAC
@@ -104,34 +104,55 @@ listen_to_ble() {
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bashio::log.info "$BLE_MAC presence detected"
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mosquitto_pub --nodelay -h $MQTT_IP -p $MQTT_PORT -u "$MQTT_USER" -P "$MQTT_PWD" -t tesla_ble/binary_sensor/presence -m ON
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else
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bashio::log.notice "$BLE_MAC presence not detected or issue in command"
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bashio::log.info "$BLE_MAC presence not detected or issue in command"
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mosquitto_pub --nodelay -h $MQTT_IP -p $MQTT_PORT -u "$MQTT_USER" -P "$MQTT_PWD" -t tesla_ble/binary_sensor/presence -m OFF
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fi
110-
111110
}
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112+
### SETUP ENVIRONMENT ###########################################################################################
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bashio::log.notice "Sourcing functions"
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. /app/listen_to_mqtt.sh
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. /app/discovery.sh
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117-
bashio::log.info "Setting up auto discovery for Home Assistant"
117+
bashio::log.notice "Setting up auto discovery for Home Assistant"
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setup_auto_discovery
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120-
bashio::log.info "Connecting to MQTT to discard any unread messages"
120+
bashio::log.notice "Connecting to MQTT to discard any unread messages"
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mosquitto_sub -E -i tesla_ble_mqtt -h $MQTT_IP -p $MQTT_PORT -u $MQTT_USER -P $MQTT_PWD -t tesla_ble/+
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123-
bashio::log.info "Initialize BLE listening loop counter"
123+
bashio::log.info "Start finding the BLE MAC address from VIN (will work only if Tesla is in BLE range)"
124+
set +e
125+
. /app/calc_ble_from_vin.sh
126+
set -e
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128+
echo $BLE_MAC
129+
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### START MAIN PROGRAM LOOP ######################################################################################
131+
# bashio::log.info "Initialize BLE listening loop counter"
132+
bashio::log.notice "Entering main MQTT & BLE listening loop"
124133
counter=0
125-
bashio::log.info "Entering main MQTT & BLE listening loop"
126134
while true
127135
do
128136
set +e
129137
listen_to_mqtt
138+
# set -e
130139
((counter++))
131140
if [[ $counter -gt 90 ]]; then
132141
bashio::log.info "Reached 90 MQTT loops (~3min): Launch BLE scanning for car presence"
133-
listen_to_ble
134-
counter=0
142+
if [ -z ${BLE_MAC-} ]; then
143+
bashio::log.notice "Retry finding the BLE MAC address"
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# set +e
145+
. /app/calc_ble_from_vin.sh
146+
# set -e
147+
fi
148+
if [ -z ${BLE_MAC-} ]; then continue
149+
else
150+
# set +e
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listen_to_ble
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# set -e
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counter=0
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fi
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fi
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sleep 2
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set -e
137158
done

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