Production

data/config/boot_config.txt

@@ -1,9 +1,15 @@
 # openwb - begin
-# openwb-version:3
+# openwb-version:4
 # Do not edit this section! We need begin/end and version for proper updates!
 [all]
 gpio=4,5,7,11,17,22,23,24,25,26,27=op,dl
 gpio=6,8,9,10,12,13,16,21=ip,pu
+
+[cm4]
+# GPIO 22 is the buzzer on computemodule4
+gpio=22=op,dh
+
+[all]
 # enable uart for modbus port on older addon hat
 # this also requires to disable Bluetooth
 dtoverlay=disable-bt

runs/atreboot.sh

@@ -107,7 +107,7 @@ chmod 666 "$LOGFILE"
 		echo "adding init to $boot_config_target..."
 		sudo tee -a "$boot_config_target" <"$boot_config_source" >/dev/null
 		echo "done"
-		echo "new configuration active after next boot"
+		sudo reboot now
 	fi
 
 	ramdisk_config_source="${OPENWBBASEDIR}/data/config/ramdisk_config.txt"

runs/evse_read_modbus.py

@@ -13,4 +13,4 @@
 num = int(sys.argv[3])
 
 client, evse_ids = get_modbus_client(local_chargepoint_num)
-print(client.read_holding_registers(register, [ModbusDataType.INT_16]*num, unit=evse_ids[local_chargepoint_num]))
+print(client.read_holding_registers(register, [ModbusDataType.INT_16]*num, unit=evse_ids[0]))

runs/evse_write_modbus.py

@@ -12,4 +12,4 @@
 value = int(sys.argv[3])
 
 client, evse_ids = get_modbus_client(local_chargepoint_num)
-client.write_registers(register, value, unit=evse_ids[local_chargepoint_num])
+client.write_registers(register, value, unit=evse_ids[0])