unit_MAX30102.hpp File Reference

MAX30102 Unit for M5UnitUnified. More...

#include <M5UnitComponent.hpp>
#include <m5_utility/stl/extension.hpp>
#include <m5_utility/container/circular_buffer.hpp>
#include <limits>

Go to the source code of this file.

Classes
struct	m5::unit::max30102::Data
	Measurement data group. More...
struct	m5::unit::max30102::TemperatureData
	Measurement data group for temperature. More...
class	m5::unit::UnitMAX30102
	Pulse oximetry and heart-rate sensor. More...
struct	m5::unit::UnitMAX30102::config_t
	Settings for begin. More...

Namespaces
namespace	m5
	Top level namespace of M5stack.
namespace	max30102
	For MAX30102.

Enumerations
enum class	m5::unit::max30102::Mode : uint8_t { None , HROnly = 0x02 , SpO2 , MultiLED = 0x07 }
	Operation mode. More...
enum class	m5::unit::max30102::ADC : uint8_t { Range2048nA , Range4096nA , Range8192nA , Range16384nA }
	SpO2 ADC Range Control. More...
enum class	m5::unit::max30102::Sampling : uint8_t {   Rate50 , Rate100 , Rate200 , Rate400 ,   Rate800 , Rate1000 , Rate1600 , Rate3200 }
	Sampling rate for pulse/conversion. More...
enum class	m5::unit::max30102::LEDPulse : uint8_t { Width69 , Width118 , Width215 , Width411 }
	LED pulse width (the IR and RED have the same pulse width) More...
enum class	m5::unit::max30102::Slot : uint8_t { None , Red , IR }
	Multi-LED mode control. More...
enum class	m5::unit::max30102::FIFOSampling : uint8_t {   Average1 , Average2 , Average4 , Average8 ,   Average16 , Average32 }
	Number of samples averaged per FIFO sample. More...

Variables
constexpr uint8_t	m5::unit::max30102::MAX_FIFO_DEPTH {32}
	FIFO depth.

Detailed Description

MAX30102 Unit for M5UnitUnified.

Enumeration Type Documentation

ADC

enum class m5::unit::max30102::ADC : uint8_t

strong

SpO2 ADC Range Control.

Warning

If the ambient environment is very bright or the sensor is exposed to strong light, setting a smaller value may cause the IR/RED to overflow

Enumerator
Range2048nA	LSB size 7.81 Full scale 2048.
Range4096nA	LSB size 15.63 Full scale 4096.
Range8192nA	LSB size 31.25 Full scale 8192.
Range16384nA	LSB size 62.5 Full scale 16384.

FIFOSampling

enum class m5::unit::max30102::FIFOSampling : uint8_t

strong

Number of samples averaged per FIFO sample.

Enumerator
Average1	1 (no averaging)
Average2	2
Average4	4
Average8	8
Average16	16
Average32	32

LEDPulse

enum class m5::unit::max30102::LEDPulse : uint8_t

strong

LED pulse width (the IR and RED have the same pulse width)

Enumerator
Width69	68.95 us (ADC 15 bits)
Width118	117.78 us (ADC 16 bits)
Width215	215.44 us (ADC 17 bits)
Width411	410.75 us (ADC 18 bits)

Mode

enum class m5::unit::max30102::Mode : uint8_t

strong

Operation mode.

Enumerator
None	None.
HROnly	Heart Rate mode (Red only)
SpO2	SpO2 mode (Red and IR)
MultiLED	Multi-LED mode (Red and IR)

Sampling

enum class m5::unit::max30102::Sampling : uint8_t

strong

Sampling rate for pulse/conversion.

Unit is the number of sample per second

Enumerator
Rate50	50 sps
Rate100	100 sps
Rate200	200 sps
Rate400	400 sps
Rate800	800 sps
Rate1000	1000 sps
Rate1600	1600 sps
Rate3200	3200 sps

Slot

enum class m5::unit::max30102::Slot : uint8_t

strong

Multi-LED mode control.

Enumerator
None	None (time slot is disabled)
Red	LED1 (Red)
IR	LED2 (IR)