constants.h File Reference

Define the system hardware constants. More...

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Namespaces
namespace	lampda
	Program scope.

Typedefs
using	lampda::byte = uint8_t
using	lampda::brightness_t = uint16_t
	Define the type of the brightness parameters.

Functions
bool	lampda::is_cell_voltage_valid (const uint16_t cellVoltage_mv)
	check battery cell voltage against min/max limits

Variables
static constexpr uint8_t	lampda::BASE_SOFTWARE_VERSION_MAJOR = 1
	Base major software version, common to all systems. increment for every release.
static constexpr uint8_t	lampda::BASE_SOFTWARE_VERSION_MINOR = 8
	Base minor software version, common to all systems. increment for every release.
static constexpr uint8_t	lampda::ADC_RES_EXP = 12
	resolution of the ADC, in bits (can be 8, 10, 12 or 14)
static const uint32_t	lampda::ADC_MAX_VALUE = static_cast<uint32_t>(pow(2, ADC_RES_EXP))
	corresponding ADC max value
static constexpr float	lampda::internalReferenceVoltage = 3.0f
	internal voltage reference
static constexpr uint8_t	lampda::batteryCount = 3
	number of batteries for this model
static constexpr float	lampda::imuToCircuitRotationX_rad = 0.0f * c_degreesToRadians
static constexpr float	lampda::imuToCircuitRotationY_rad = 0.0f * c_degreesToRadians
static constexpr float	lampda::imuToCircuitRotationZ_rad = -9.0f * c_degreesToRadians
static constexpr float	lampda::imuToCircuitPositionX_m = 8.915f / 1000.0f
static constexpr float	lampda::imuToCircuitPositionY_m = -5.769f / 1000.0f
static constexpr float	lampda::imuToCircuitPositionZ_m = 0.0f / 1000.0f
static constexpr float	lampda::batteryChargeC_Rate = 0.33f
	Maximum charge rate.
static constexpr float	lampda::batteryDischargeC_Rate = 1.0f
	Typical discharge rate.
static constexpr uint32_t	lampda::batteryCapacity_mAH = 4850
	Battery capacity, in mA*hours.
static constexpr uint16_t	lampda::minLiionVoltage_mV = 2500
	minimum Li-ion voltage
static constexpr uint16_t	lampda::typicalLiionVoltage_mV = 3630
	standard 50% charge Li-ion voltage
static constexpr uint16_t	lampda::maxLiionVoltage_mV = 4200
	Absolute maximum allowed Li-ion voltage.
static constexpr uint16_t	lampda::minSafeLiionVoltage_mV = 3100
	minimum allowed li-ion voltage safe zone
static constexpr uint16_t	lampda::maxSafeLiionVoltage_mV = 4100
	maximum allowed li-ion voltage safe zone
static constexpr uint16_t	lampda::minSingularBatteryVoltage_mV
	with added margins to avoid wrong detection
static constexpr uint16_t	lampda::maxSingularBatteryVoltage_mV
	with added margins to avoid wrong detection
static constexpr float	lampda::maxSystemTemp_c = 70.0f
	maximum microcontroler temperature, in degrees
static constexpr float	lampda::criticalSystemTemp_c = 80.0f
	absolute maximum microcontroler temperature, in degrees
static constexpr uint16_t	lampda::batteryCritical = 300
	in % *100, critical battery level
static constexpr uint16_t	lampda::batteryLow = 500
	in % *100, low battery level
static constexpr uint8_t	lampda::USER_WATCHDOG_ID = 0
	user thread watchdog
static constexpr uint8_t	lampda::POWER_WATCHDOG_ID = 2
	power thread watchdog
static constexpr float	lampda::loopDeltaTime = MAIN_LOOP_UPDATE_PERIOD_MS / 1000.0f
	EXPECTED delta time for each loop run.
static constexpr uint16_t	lampda::batteryMaxVoltage_mV = maxLiionVoltage_mV * batteryCount
	max voltage of a single li-ion cell
static constexpr uint16_t	lampda::batteryMaxVoltageSafe_mV = maxSafeLiionVoltage_mV * batteryCount
	max voltage of a li-ion cell to maximise lifetime
static constexpr uint16_t	lampda::batteryTypicalVoltageSafe_mV = typicalLiionVoltage_mV * batteryCount
	typical pack voltage
static constexpr uint16_t	lampda::batteryMinVoltage_mV = minLiionVoltage_mV * batteryCount
	min voltage of a single li-ion cell
static constexpr uint16_t	lampda::batteryMinVoltageSafe_mV = minSafeLiionVoltage_mV * batteryCount
	min voltage of a li-ion cell to maximise lifetime
static constexpr float	lampda::totalCons_Watt = consWattByMeter * ledStripLength_mm / 1000.0f
	Total maximum power usage of the led strip.
static constexpr float	lampda::maxStripConsumption_A = 1000.0f * totalCons_Watt / stripInputMaxVoltage_mV
	Maximum led strip current usage, in Amps.
static constexpr uint32_t	lampda::batteryMaxChargeCurrent_mA
	Battery maximum charge current, in milliAmps.
static constexpr uint32_t	lampda::batteryMaxDischargeCurrent_mA
	Battery maximum discharge current, in milliAmps.
static constexpr uint32_t	lampda::batteryTypicalPower_mWH = batteryCapacity_mAH * batteryTypicalVoltageSafe_mV / 1000
	Battery standard power, in milliWatt*Hours.
static constexpr brightness_t	lampda::brightness::absoluteMaximumBrightness = 1024
	Maximum brigthness value.

Detailed Description

Define the system hardware constants.