mirror of https://github.com/rusefi/wideband.git
53 lines
1.3 KiB
C
53 lines
1.3 KiB
C
#pragma once
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#include "io_pins.h"
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// Fundamental board constants
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#define VCC_VOLTS (3.3f)
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#define HALF_VCC (VCC_VOLTS / 2)
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#define ADC_MAX_COUNT (4095)
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#define ADC_OVERSAMPLE 24
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// *******************************
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// Nernst voltage & ESR sense
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// *******************************
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#define NERNST_INPUT_GAIN (1 / 2.7f)
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// Nernst AC injection resistor value
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#define ESR_SUPPLY_R (22000)
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#define VM_RESISTOR_VALUE (10)
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// Heater low pass filter
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#define ESR_SENSE_ALPHA (0.002f)
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// *******************************
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// Pump current sense
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// *******************************
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#define PUMP_CURRENT_SENSE_GAIN (10)
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// LSU sense resistor - 61.9 ohms
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#define LSU_SENSE_R (61.9f)
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// Pump low pass filter alpha
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// sampling at 2.5khz, alpha of 0.01 gives about 50hz bandwidth
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#define PUMP_FILTER_ALPHA (0.02f)
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// *******************************
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// Pump controller
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// *******************************
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#define NERNST_TARGET (0.45f)
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// *******************************
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// Heater controller config
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// *******************************
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#define HEATER_CONTROL_PERIOD 50
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#define HEATER_PREHEAT_TIME 5000
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#define HEATER_WARMUP_TIMEOUT 45000
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#define HEATER_CLOSED_LOOP_THRESHOLD_ESR 400
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#define HEATER_TARGET_ESR 300
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#define HEATER_OVERHEAT_ESR 150
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#define HEATER_UNDERHEAT_ESR 600
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