# Values for the device at the B26 tower calibration: # Calibration factor defined here are divided by 1000 to determine the actual # scaling factor. Therefore, if the voltage determined by the firmware is 2% # lower than the actual voltage, you have to scale by 1.02 and therefore # specify 1020 in this list. CAL_FACTOR_U_BAT: 994 CAL_FACTOR_U_SOLAR: 997 CAL_FACTOR_U_SW: 996 CAL_FACTOR_I_SOLAR: 1015 CAL_FACTOR_I_LOAD: 1000 config: # Thresholds for charging control # Battery regulation corridor width (in mV). U_BAT_REGULATION_CORRIDOR: 100 # Initial charge battery voltage threshold (in mV). # stop charging if battery voltage reaches this threshold U_BAT_INITIAL_FULL: 28600 # Cancel initial charge voltage hold below this battery voltage (in mV). U_BAT_INITIAL_HOLD_CANCEL: 27000 # Transition to floating voltage levels after this time (in ms). INITIAL_CHARGE_HOLD_TIME: 1800000 # Duration of the transistion from initial charging to float (in ms). INITIAL_TO_FLOAT_TRANSITION_TIME: 600000 # Float charge battery voltage threshold (in mV). # stop charging if battery voltage reaches this threshold U_BAT_FLOAT_FULL: 27600 # Minimum voltage difference to U_bat that the solar panels must produce # before charging is resumed after it was switched off (in mV). SLEEP_SOLAR_EXCESS_VOLTAGE: 1000 # Minimum charge current required before charging is stopped to save power at # the charge pump (in mA). SLEEP_SOLAR_CURRENT: 1 # Delay between state change and sleep state check (in ms). SLEEP_STATE_DELAY: 60000 # Delay between charging switch state change and sleep state check(in ms). SLEEP_SWITCH_DELAY: 1000 # Maximum allowed microcontroller temperature (in units of 0.1 °C). If this # temperature is exceeded, charging is stopped. The load is kept on. Do not # set this too high as the heat has to propagate from the power MOSFETs. INTERNAL_TEMPERATURE_LIMIT: 500 # Resume operation below this temperature (in units of 0.1 °C). INTERNAL_TEMPERATURE_RECOVERY: 450 # Thresholds for load control # Voltage above which the load is turned on (in mV). U_BAT_LOAD_ON: 27000 # Voltage below which the load is turned off (in mV). U_BAT_LOAD_OFF: 24000 # Current at which the overload protection triggers (in mA). LOAD_CURRENT_LIMIT_MA: 10000 # Inrush tolerance time (in ms). Overload protection is not enforced for this # time after load power-on. LOAD_CURRENT_INRUSH_TIME: 10 # Minimum voltage that the charge pump must produce above U_bat before any # power FET is switched on (in mV). MIN_CHARGE_PUMP_EXCESS_VOLTAGE: 10000 # The minimum time the load must be off before it can be switched on again (in ms). LOAD_ON_DELAY: 10000 # Measurement Averaging: # Alpha is specified in units of 1/1000. 1000 means that only the latest # value is relevant, 0 means that the measurement has no influence. The latter # is useless. # # The formula to calculate the next averaged value avg from a measurement meas is: # avg[k] = meas * (alpha/1000) + avg[k-1] * (1 alpha/1000) # # For overload protection (battery voltage, load current), the latest values # are always used. # Averaging factor for load current. AVG_ALPHA_I_SOLAR: 10 AVG_ALPHA_I_LOAD: 10 AVG_ALPHA_U_BAT: 100 AVG_ALPHA_U_SW: 100 AVG_ALPHA_U_SOLAR: 100 AVG_ALPHA_TEMP: 10 # Generic configuration # Time (in ms) to stay active in idle state before entering deep sleep. DEEPSLEEP_DELAY: 1000 # Deep sleep duration (in seconds). DEEPSLEEP_DURATION: 10