sfm::timing Namespace Reference

Timing (data sheet §2.4 / §4.3). More...

Variables
constexpr uint32_t	kFirstResultAfterStartMs = 12
	first reading valid after start
constexpr uint32_t	kAccuracySettleAfterStartMs = 30
	few-% deviations possible before
constexpr uint32_t	kSoftResetMs = 20
	typ. 16 ms, max 20 ms
constexpr uint32_t	kWarmUpMs = 30
	after reset / exit sleep
constexpr uint32_t	kMeasurementPeriodUs = 500
	internal sample period (~2 kHz)
constexpr uint32_t	kStopToIdleUs = 500
	§4.3.4: idle and receptive ≤ 0.5 ms after stop
constexpr uint32_t	kStopToIdleMs = 1
	kStopToIdleUs rounded up for DelayMs()
constexpr uint16_t	kMaxAveragingWindow = 128
constexpr uint32_t	kSfx6000SoftResetMs = 30
	interface reference §1.2
constexpr uint32_t	kSfx6000MeasurementPeriodUs = 1000
	1 kHz, NACK when no new sample

Detailed Description

Timing (data sheet §2.4 / §4.3).

Variable Documentation

kAccuracySettleAfterStartMs

constexpr uint32_t sfm::timing::kAccuracySettleAfterStartMs = 30

constexpr

few-% deviations possible before

kFirstResultAfterStartMs

constexpr uint32_t sfm::timing::kFirstResultAfterStartMs = 12

constexpr

first reading valid after start

kMaxAveragingWindow

constexpr uint16_t sfm::timing::kMaxAveragingWindow = 128

constexpr

kMeasurementPeriodUs

constexpr uint32_t sfm::timing::kMeasurementPeriodUs = 500

constexpr

internal sample period (~2 kHz)

kSfx6000MeasurementPeriodUs

constexpr uint32_t sfm::timing::kSfx6000MeasurementPeriodUs = 1000

constexpr

1 kHz, NACK when no new sample

kSfx6000SoftResetMs

constexpr uint32_t sfm::timing::kSfx6000SoftResetMs = 30

constexpr

interface reference §1.2

kSoftResetMs

constexpr uint32_t sfm::timing::kSoftResetMs = 20

constexpr

typ. 16 ms, max 20 ms

kStopToIdleMs

constexpr uint32_t sfm::timing::kStopToIdleMs = 1

constexpr

kStopToIdleUs rounded up for DelayMs()

kStopToIdleUs

constexpr uint32_t sfm::timing::kStopToIdleUs = 500

constexpr

§4.3.4: idle and receptive ≤ 0.5 ms after stop

kWarmUpMs

constexpr uint32_t sfm::timing::kWarmUpMs = 30

constexpr

after reset / exit sleep