# Copyright (c) Quectel Wireless Solution, Co., Ltd.All Rights Reserved. # # Licensed under the Apache License, Version 2.0 (the "License"); # you may not use this file except in compliance with the License. # You may obtain a copy of the License at # # http://www.apache.org/licenses/LICENSE-2.0 # # Unless required by applicable law or agreed to in writing, software # distributed under the License is distributed on an "AS IS" BASIS, # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. # See the License for the specific language governing permissions and # limitations under the License. from misc import Power from usr.logging import getLogger log = getLogger(__name__) BATTERY_OCV_TABLE = { "nix_coy_mnzo2": { 55: { 4152: 100, 4083: 95, 4023: 90, 3967: 85, 3915: 80, 3864: 75, 3816: 70, 3773: 65, 3737: 60, 3685: 55, 3656: 50, 3638: 45, 3625: 40, 3612: 35, 3596: 30, 3564: 25, 3534: 20, 3492: 15, 3457: 10, 3410: 5, 3380: 0, }, 20: { 4143: 100, 4079: 95, 4023: 90, 3972: 85, 3923: 80, 3876: 75, 3831: 70, 3790: 65, 3754: 60, 3720: 55, 3680: 50, 3652: 45, 3634: 40, 3621: 35, 3608: 30, 3595: 25, 3579: 20, 3548: 15, 3511: 10, 3468: 5, 3430: 0, }, 0: { 4147: 100, 4089: 95, 4038: 90, 3990: 85, 3944: 80, 3899: 75, 3853: 70, 3811: 65, 3774: 60, 3741: 55, 3708: 50, 3675: 45, 3651: 40, 3633: 35, 3620: 30, 3608: 25, 3597: 20, 3585: 15, 3571: 10, 3550: 5, 3500: 0, }, }, } class Battery(object): def __init__(self): self.__energy = 100 self.__temp = 20 def __get_soc_from_dict(self, key, volt_arg): if key in BATTERY_OCV_TABLE["nix_coy_mnzo2"]: volts = sorted(BATTERY_OCV_TABLE["nix_coy_mnzo2"][key].keys(), reverse=True) pre_volt = 0 volt_not_under = 0 # Determine whether the voltage is lower than the minimum voltage value of soc. for volt in volts: if volt_arg > volt: volt_not_under = 1 soc1 = BATTERY_OCV_TABLE["nix_coy_mnzo2"][key].get(volt, 0) soc2 = BATTERY_OCV_TABLE["nix_coy_mnzo2"][key].get(pre_volt, 0) break else: pre_volt = volt if pre_volt == 0: # Input Voltarg > Highest Voltarg return soc1 elif volt_not_under == 0: return 0 else: return soc2 - (soc2 - soc1) * (pre_volt - volt_arg) // (pre_volt - volt) def __get_soc(self, temp, volt_arg, bat_type="nix_coy_mnzo2"): if bat_type == "nix_coy_mnzo2": if temp > 30: return self.__get_soc_from_dict(55, volt_arg) elif temp < 10: return self.__get_soc_from_dict(0, volt_arg) else: return self.__get_soc_from_dict(20, volt_arg) def set_temp(self, temp): # Set now temperature. if isinstance(temp, int) or isinstance(temp, float): self.__temp = temp return True return False def get_voltage(self): # Get voltage from vbat # TODO: Get voltage by ADC return int(sum([Power.getVbatt() for i in range(100)]) / 100) def get_energy(self): self.__energy = self.__get_soc(self.__temp, self.get_voltage()) return self.__energy