Changes 2023.06.20

CHANGELOG.md

@@ -3,6 +3,7 @@
 ## v1.0.x
 * Added: Bluetooth: Show signal strength of BMS in log by @mr-manuel
 * Added: Create unique identifier, if not provided from BMS by @mr-manuel
+* Added: Daly BMS: Auto reset SoC when changing to float (can be turned off in the config file) by @transistorgit
 * Added: Exclude a device from beeing used by the dbus-serialbattery driver by @mr-manuel
 * Added: Implement callback function for update by @seidler2547
 * Added: JKBMS BLE - Show last five characters from the MAC address in the custom name (which is displayed in the device list) by @mr-manuel
@@ -12,13 +13,14 @@
 * Changed: Fix daly readsentence by @transistorgit
 * Changed: Fix Sinowealth not loading https://github.com/Louisvdw/dbus-serialbattery/issues/702 by @mr-manuel
 * Changed: Fixed error in `reinstall-local.sh` script for Bluetooth installation by @mr-manuel
+* Changed: Fixed meaningless Time to Go values by @transistorgit
 * Changed: Fixed typo in `config.ini` sample by @hoschult
 * Changed: For BMS_TYPE now multiple BMS can be specified by @mr-manuel
 * Changed: Improved battery error handling on connection loss by @mr-manuel
 * Changed: Improved battery voltage handling in linear absorption mode by @ogurevich
 * Changed: Improved driver reinstall when multiple Bluetooth BMS are enabled by @mr-manuel
 * Changed: Improved Jkbms_Ble driver by @seidler2547 & @mr-manuel
-* Changed: Reduce the big inrush current if the CVL jumps from Bulk/Absorbtion to Float https://github.com/Louisvdw/dbus-serialbattery/issues/659 by @Rikkert-RS
+* Changed: Reduce the big inrush current if the CVL jumps from Bulk/Absorbtion to Float https://github.com/Louisvdw/dbus-serialbattery/issues/659 by @Rikkert-RS & @ogurevich
 * Removed: Cronjob to restart Bluetooth service every 12 hours by @mr-manuel
 
 

etc/dbus-serialbattery/bms/daly.py

@@ -27,6 +27,7 @@ def __init__(self, port, baud, address):
         self.trigger_force_disable_discharge = None
         self.trigger_force_disable_charge = None
         self.cells_volts_data_lastreadbad = False
+        self.last_charge_mode = self.charge_mode
 
     # command bytes [StartFlag=A5][Address=40][Command=94][DataLength=8][8x zero bytes][checksum]
     command_base = b"\xA5\x40\x94\x08\x00\x00\x00\x00\x00\x00\x00\x00\x81"
@@ -174,13 +175,26 @@ def refresh_data(self):
 
                 self.write_charge_discharge_mos(ser)
 
+                if utils.AUTO_RESET_SOC:
+                    self.update_soc(ser)
+
         except OSError:
             logger.warning("Couldn't open serial port")
 
         if not result:  # TROUBLESHOOTING for no reply errors
             logger.info("refresh_data: result: " + str(result))
         return result
 
+    def update_soc(self, ser):
+        if self.last_charge_mode is not None and self.charge_mode is not None:
+            if not self.last_charge_mode.startswith(
+                "Float"
+            ) and self.charge_mode.startswith("Float"):
+                # we just entered float mode, so the battery must be full
+                self.soc_to_set = 100
+                self.write_soc_and_datetime(ser)
+        self.last_charge_mode = self.charge_mode
+
     def read_status_data(self, ser):
         status_data = self.request_data(ser, self.command_status)
         # check if connection success
@@ -229,7 +243,10 @@ def read_soc_data(self, ser):
             )
             if crntMinValid < current < crntMaxValid:
                 self.voltage = voltage / 10
-                self.current = current
+                # apply exponential smoothing on the flickering current measurement
+                self.current = (0.1 * current) + (
+                    0.9 * (0 if self.current is None else self.current)
+                )
                 self.soc = soc / 10
                 return True
 
@@ -614,6 +631,10 @@ def force_discharging_off_callback(self, path, value):
         return False
 
     def write_charge_discharge_mos(self, ser):
+        # wait shortly, else the Daly is not ready and throws a lot of no reply errors
+        # if you see a lot of errors, try to increase in steps of 0.005
+        sleep(0.020)
+
         if (
             self.trigger_force_disable_charge is None
             and self.trigger_force_disable_discharge is None

etc/dbus-serialbattery/config.default.ini

@@ -200,6 +200,11 @@ EXCLUDED_DEVICES =
 ;     /dev/ttyUSB0:My first battery,/dev/ttyUSB1:My second battery
 CUSTOM_BATTERY_NAMES =
 
+; Auto reset SoC
+; If on, then SoC is reset to 100%, if the value switches from absorption to float voltage
+; Currently only working for Daly BMS
+AUTO_RESET_SOC = True
+
 ; Publish the config settings to the dbus path "/Info/Config/"
 PUBLISH_CONFIG_VALUES = 1
 

etc/dbus-serialbattery/dbushelper.py

@@ -54,32 +54,6 @@ def setup_instance(self):
                 0,
                 0,
             ],
-            # 'CellVoltageMin': [path + '/CellVoltageMin', 2.8, 0.0, 5.0],
-            # 'CellVoltageMax': [path + '/CellVoltageMax', 3.45, 0.0, 5.0],
-            # 'CellVoltageFloat': [path + '/CellVoltageFloat', 3.35, 0.0, 5.0],
-            # 'VoltageMaxTime': [path + '/VoltageMaxTime', 900, 0, 0],
-            # 'VoltageResetSocLimit': [path + '/VoltageResetSocLimit', 90, 0, 100],
-            # 'MaxChargeCurrent': [path + '/MaxCurrentCharge', 5, 0.0, 500],
-            # 'MaxDischargeCurrent': [path + '/MaxCurrentDischarge', 7, 0.0, 500],
-            # 'AllowDynamicChargeCurrent': [path + '/AllowDynamicChargeCurrent', 1, 0, 1],
-            # 'AllowDynamicDischargeCurrent': [path + '/AllowDynamicDischargeCurrent', 1, 0, 1],
-            # 'AllowDynamicChargeVoltage': [path + '/AllowDynamicChargeVoltage', 0, 0, 1],
-            # 'SocLowWarning': [path + '/SocLowWarning', 20, 0, 100],
-            # 'SocLowAlarm': [path + '/SocLowAlarm', 10, 0, 100],
-            # 'Capacity': [path + '/Capacity', '', 0, 500],
-            # 'EnableInvertedCurrent': [path + '/EnableInvertedCurrent', 0, 0, 1],
-            # 'CCMSocLimitCharge1': [path + '/CCMSocLimitCharge1', 98, 0, 100],
-            # 'CCMSocLimitCharge2': [path + '/CCMSocLimitCharge2', 95, 0, 100],
-            # 'CCMSocLimitCharge3': [path + '/CCMSocLimitCharge3', 91, 0, 100],
-            # 'CCMSocLimitDischarge1': [path + '/CCMSocLimitDischarge1', 10, 0, 100],
-            # 'CCMSocLimitDischarge2': [path + '/CCMSocLimitDischarge2', 20, 0, 100],
-            # 'CCMSocLimitDischarge3': [path + '/CCMSocLimitDischarge3', 30, 0, 100],
-            # 'CCMCurrentLimitCharge1': [path + '/CCMCurrentLimitCharge1', 5, 0, 100],
-            # 'CCMCurrentLimitCharge2': [path + '/CCMCurrentLimitCharge2', '', 0, 100],
-            # 'CCMCurrentLimitCharge3': [path + '/CCMCurrentLimitCharge3', '', 0, 100],
-            # 'CCMCurrentLimitDischarge1': [path + '/CCMCurrentLimitDischarge1', 5, 0, 100],
-            # 'CCMCurrentLimitDischarge2': [path + '/CCMCurrentLimitDischarge2', '', 0, 100],
-            # 'CCMCurrentLimitDischarge3': [path + '/CCMCurrentLimitDischarge3', '', 0, 100],
         }
 
         self.settings = SettingsDevice(get_bus(), settings, self.handle_changed_setting)
@@ -612,7 +586,7 @@ def publish_dbus(self):
                                 )
                             )
                         )
-                        if self.battery.current
+                        if self.battery.current and abs(self.battery.current) > 0.1
                         else None
                     )
 

etc/dbus-serialbattery/utils.py

@@ -38,7 +38,7 @@ def _get_list_from_config(
 
 
 # Constants - Need to dynamically get them in future
-DRIVER_VERSION = "1.0.20230613dev"
+DRIVER_VERSION = "1.0.20230620dev"
 zero_char = chr(48)
 degree_sign = "\N{DEGREE SIGN}"
 
@@ -298,6 +298,11 @@ def _get_list_from_config(
     "DEFAULT", "CUSTOM_BATTERY_NAMES", lambda v: str(v)
 )
 
+# Auto reset SoC
+# If on, then SoC is reset to 100%, if the value switches from absorption to float voltage
+# Currently only working for Daly BMS
+AUTO_RESET_SOC = "True" == config["DEFAULT"]["AUTO_RESET_SOC"]
+
 # Publish the config settings to the dbus path "/Info/Config/"
 PUBLISH_CONFIG_VALUES = int(config["DEFAULT"]["PUBLISH_CONFIG_VALUES"])