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Merge pull request #185 from xerion3800/main
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Added MQTT Charger
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@christian1980nrw
christian1980nrw authored Oct 29, 2024
2 parents 1a0d630 + 58a2e86 commit cdc22a9
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Showing 2 changed files with 110 additions and 36 deletions.
115 changes: 86 additions & 29 deletions scripts/controller.sh
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Original file line number Diff line number Diff line change
@@ -1,4 +1,4 @@
#!/bin/bash
#!/bin/bash -x

VERSION="2.4.13-DEV"

Expand All @@ -15,10 +15,10 @@ fi
#######################################

if [[ ${BASH_VERSINFO[0]} -le 4 ]]; then
valid_config_version=5 # Please increase this value by 1 when changing the configuration variables
valid_config_version=6 # Please increase this value by 1 when changing the configuration variables
else
declare -A valid_vars=(
["config_version"]="5" # Please increase this value by 1 if variables are added or deleted in the valid_vars array
["config_version"]="6" # Please increase this value by 1 if variables are added or deleted in the valid_vars array
["use_fritz_dect_sockets"]="0|1"
["fbox"]="^[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}$"
["user"]="string"
Expand All @@ -28,7 +28,7 @@ else
["shelly_ips"]="^\(\".*\"\)$"
["shellyuser"]="string"
["shellypasswd"]="string"
["use_victron_charger"]="0|1"
["use_charger"]="0|1|2"
["limit_inverter_power_after_enabling"]="^(-1|[0-9]{2,5})$"
["energy_loss_percent"]="[0-9]+(\.[0-9]+)?"
["battery_lifecycle_costs_cent_per_kwh"]="[0-9]+(\.[0-9]+)?"
Expand Down Expand Up @@ -57,7 +57,12 @@ else
["entsoe_eu_api_security_token"]="string"
["price_unit"]="energy|total|tax"
["tibber_api_key"]="string"
["config_version"]="5"
["mqtt_broker_host_publish"]="string"
["mqtt_broker_host_subscribe"]="string"
["mqtt_broker_port_publish"]="^[0-9]*$"
["mqtt_broker_Port_subscribe"]="^[0-9]*$"
["mqtt_broker_topic_publish"]="string"
["mqtt_broker_topic_subscribe"]="string"
)

declare -A config_values
Expand Down Expand Up @@ -741,11 +746,13 @@ manage_charging() {
local reason=$2

if [[ $action == "on" ]]; then
$charger_command_charge >/dev/null
log_message "I: Victron scheduled charging is ON. $reason"
charger_command_charge >/dev/null
log_message "I: Charging is ON. $reason"

else
$charger_command_stop_charging >/dev/null
log_message "I: Victron scheduled charging is OFF. $reason"
charger_command_stop_charging >/dev/null
log_message "I: Charging is OFF. $reason"

fi
}

Expand All @@ -755,11 +762,13 @@ manage_discharging() {
local reason=$2

if [[ $action == "on" ]]; then
$charger_enable_inverter >/dev/null
log_message "I: Victron discharging (ESS) is ON. Battery SOC is at $SOC_percent%."
charger_enable_inverter >/dev/null
log_message "I: Discharging is ON. Battery SOC is at $SOC_percent%."

else
$charger_disable_inverter >/dev/null
log_message "I: Victron discharging (ESS) is OFF. Battery SOC is at $SOC_percent%."
charger_disable_inverter >/dev/null
log_message "I: Discharging is OFF. Battery SOC is at $SOC_percent%."

fi
}

Expand All @@ -786,7 +795,7 @@ manage_fritz_socket() {
local action=$1
local socket=$2

if [ "$1" != "off" ] && [ "$economic" == "expensive" ] && [ "$use_victron_charger" == "1" ]; then
if [ "$1" != "off" ] && [ "$economic" == "expensive" ] && [ "$use_charger" != "0" ]; then
log_message "I: Disabling inverter while switching."
$charger_disable_inverter >/dev/null
fi
Expand Down Expand Up @@ -833,7 +842,7 @@ manage_shelly_sockets() {
manage_shelly_socket() {
local action=$1
local ip=$2
if [ "$1" != "off" ] && [ "$economic" == "expensive" ] && [ "$use_victron_charger" == "1" ]; then
if [ "$1" != "off" ] && [ "$economic" == "expensive" ] && [ "$use_charger" != "0" ]; then
log_message "I: Disabling inverter while switching."
$charger_disable_inverter >/dev/null
fi
Expand Down Expand Up @@ -903,10 +912,10 @@ log_message() {

exit_with_cleanup() {
log_message "I: Cleanup and exit with error $1"
if ((use_victron_charger == 1)); then
if ((use_charger != 0)); then
manage_charging "off" "Turn off charging."
fi
if ((execute_discharging == 0 && use_victron_charger == 1)); then
if ((execute_discharging == 0 && use_charger != 0)); then
manage_discharging "on" "Spotmarket-Switcher is disabling itself. Maybe there is no internet connection."
fi
manage_fritz_sockets "off"
Expand Down Expand Up @@ -961,16 +970,32 @@ fi
if [ -f "$DIR/$CONFIG" ]; then
source "$DIR/$CONFIG"

# Victron Charging
num_tools_missing=0
SOC_percent=-1 # Set to negative -1 first (maybe no charger is activated).
tools="awk curl cat sed sort head tail"
if [ 0 -lt "$use_victron_charger" ]; then
tools="awk cat sed sort head tail"
if [ "$use_charger" == "1" ]; then
tools="$tools dbus"
charger_command_charge="dbus -y com.victronenergy.settings /Settings/CGwacs/BatteryLife/Schedule/Charge/0/Day SetValue -- 7"
charger_command_stop_charging="dbus -y com.victronenergy.settings /Settings/CGwacs/BatteryLife/Schedule/Charge/0/Day SetValue -- -7"
charger_command_set_SOC_target="dbus -y com.victronenergy.settings /Settings/CGwacs/BatteryLife/Schedule/Charge/0/Soc SetValue --"
charger_disable_inverter="dbus -y com.victronenergy.settings /Settings/CGwacs/MaxDischargePower SetValue -- 0"
charger_enable_inverter="dbus -y com.victronenergy.settings /Settings/CGwacs/MaxDischargePower SetValue -- $limit_inverter_power_after_enabling"
charger_command_charge() {
"dbus -y com.victronenergy.settings /Settings/CGwacs/BatteryLife/Schedule/Charge/0/Day SetValue -- 7"
}
charger_command_stop_charging() {
"dbus -y com.victronenergy.settings /Settings/CGwacs/BatteryLife/Schedule/Charge/0/Day SetValue -- -7"
}
charger_command_set_SOC_target() {
"dbus -y com.victronenergy.settings /Settings/CGwacs/BatteryLife/Schedule/Charge/0/Soc SetValue --"
}
charger_disable_inverter() {
"dbus -y com.victronenergy.settings /Settings/CGwacs/MaxDischargePower SetValue -- 0"
}
charger_enable_inverter() {
"dbus -y com.victronenergy.settings /Settings/CGwacs/MaxDischargePower SetValue -- $limit_inverter_power_after_enabling"
}
charger_command_charge
charger_command_stop_charging
charger_command_set_SOC_target
charger_disable_inverter
charger_enable_inverter
SOC_percent="$(dbus-send --system --print-reply --dest=com.victronenergy.system /Dc/Battery/Soc com.victronenergy.BusItem.GetValue | grep variant | awk '{print int($3)}' | tr -d '[:space:]')"
if ! [[ "$SOC_percent" =~ ^[0-9]+$ ]]; then
log_message 'E: SOC cannot be read properly. Value is not an integer.'
Expand All @@ -980,6 +1005,38 @@ if [ 0 -lt "$use_victron_charger" ]; then
exit 1
fi

fi
# MQTT Charging
num_tools_missing=0
SOC_percent=-1 # Set to negative -1 first (maybe no charger is activated).
tools="curl mosquitto_sub "
if [ "$use_charger" == "2" ]; then
tools="$tools mosquitto_pub"
charger_command_charge() {
mosquitto_pub -h $mqtt_broker_host_publish -p $mqtt_broker_port_publish -t "$mqtt_broker_topic_publish/charger_command" -m true
}
charger_command_stop_charging() {
mosquitto_pub -h $mqtt_broker_host_publish -p $mqtt_broker_port_publish -t "$mqtt_broker_topic_publish/charger_command" -m false
}
charger_command_set_SOC_target() {
mosquitto_pub -h $mqtt_broker_host_publish -p $mqtt_broker_port_publish -t "$mqtt_broker_topic_publish/charger_command_set_SOC_target" -m $target_soc
}
charger_disable_inverter() {
mosquitto_pub -h $mqtt_broker_host_publish -p $mqtt_broker_port_publish -t "$mqtt_broker_topic_publish/charger_inverter" -m false
}
charger_enable_inverter() {
mosquitto_pub -h $mqtt_broker_host_publish -p $mqtt_broker_port_publish -t "$mqtt_broker_topic_publish/charger_inverter" -m true
}
tools="$tools mosquitto_sub"
SOC_percent=$(mosquitto_sub -h $mqtt_broker_host_subscribe -p $mqtt_broker_Port_subscribe -t $mqtt_broker_topic_subscribe -C 1)
if ! [[ "$SOC_percent" =~ ^[0-9]+$ ]]; then
log_message 'E: SOC cannot be read properly. Value is not an integer.'
exit 1
elif (( SOC_percent < 0 || SOC_percent > 100 )); then
log_message "E: SOC value out of range: $SOC_percent. Valid range is 0-100."
exit 1
fi

fi

for tool in $tools; do
Expand Down Expand Up @@ -1511,7 +1568,7 @@ percent_of_current_price_integer=$(awk "BEGIN {printf \"%.0f\", $current_price_i
total_cost_integer=$((current_price_integer + percent_of_current_price_integer + battery_lifecycle_costs_cent_per_kwh_integer))

# If any charging condition is met, start charging
if ((execute_charging == 1 && use_victron_charger == 1)); then
if ((execute_charging == 1 && use_charger != 0)); then
economic=""
# Evaluate if charging is economical
percent_of_current_price_integer=$(awk "BEGIN {printf \"%.0f\", $current_price_integer*$energy_loss_percent/100}")
Expand All @@ -1528,17 +1585,17 @@ if ((execute_charging == 1 && use_victron_charger == 1)); then
economic="expensive"
manage_charging "off" "$reason_msg Total charging costs: $(millicentToEuro "$total_cost_integer")€"
fi
elif ((execute_charging != 1 && use_victron_charger == 1)); then
elif ((execute_charging != 1 && use_charger != 0)); then
manage_charging "off" "Charging was not executed. Total charging costs: $(millicentToEuro "$total_cost_integer")€"
else
log_message "D: skip Victron Charger. not activated "
log_message "D: skip Charger. not activated "
fi


if ((execute_discharging == 1 && use_victron_charger == 1)); then
if ((execute_discharging == 1 && use_charger != 0)); then
manage_discharging "on" "$reason_msg Total charging costs: $(millicentToEuro "$total_cost_integer")€"
fi
if ((execute_discharging == 0 && use_victron_charger == 1)); then
if ((execute_discharging == 0 && use_charger != 0)); then
manage_discharging "off" "$reason_msg Total charging costs: $(millicentToEuro "$total_cost_integer")€"
fi

Expand Down
31 changes: 24 additions & 7 deletions scripts/sample.config.txt
View file
Original file line number Diff line number Diff line change
Expand Up @@ -13,7 +13,7 @@ TZ="Europe/Amsterdam"

# Configuration file version: Used to ensure compatibility with the Spotmarket-Switcher software.
# You'll see a warning while running the Spotmarket-Switcher if you are using an outdated config version.
config_version=5
config_version=6

#######################
# API Selection
Expand Down Expand Up @@ -188,20 +188,22 @@ charge_at_solar_breakeven_logic=0
switchablesockets_at_solar_breakeven_logic=0

#######################
# Victron Venus OS Solar Charger Setup
# Charger Setup
#######################

# Enable or disable Victron Venus OS Solar Charger control:
# 1 = Control the charger, 0 = Do not control the charger.
use_victron_charger=0
# Enable or disable Charger control:
# 2 = MQTT-Charger 1 = Control the Victron charger, 0 = Do not control the charger.
use_charger=2

# Energy loss percentage in the charging/discharging process:
# This value accounts for energy lost during charging and discharging of the battery.
energy_loss_percent=23.3
# energy_loss_percent=23.3
energy_loss_percent=20.0

# Battery lifecycle cost per kWh in cents:
# Represents the cost associated with the battery's lifespan and usage.
battery_lifecycle_costs_cent_per_kwh=4.444444
# battery_lifecycle_costs_cent_per_kwh=4.444444
battery_lifecycle_costs_cent_per_kwh=5.72
# Note: If you are using a chinese 5KWh LifePo4 battery (4.5 KWh useable) with 6000 cycles and
# the rebuying price is at 1200 EUR, the calculation will be 1200*100/6000/4,5.

Expand All @@ -220,6 +222,21 @@ disable_inverting_while_only_switching=1
# Note: If 'disable_inverting_while_only_switching' is used, this setting ensures that your preferred inverter power limit is reinstated after inverting is re-enabled.
limit_inverter_power_after_enabling=-1

#######################
# MQTT Setup
#######################

# MQTT Subscriber Settings:
mqtt_broker_host_subscribe="192.168.178.181"
mqtt_broker_Port_subscribe="1883"
mqtt_broker_topic_subscribe="evcc/site/batterySoc"

# MQTT Publisher Settings:
mqtt_broker_host_publish="192.168.178.202"
mqtt_broker_port_publish="1883"
mqtt_broker_topic_publish="spotmarket-switcher"


#######################
# Switchable Sockets Setup (Fritz DECT and Shelly Wifi Plugs)
#######################
Expand Down

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