unit_PAJ7620U2.hpp File Reference

PAJ7620U2 Unit for M5UnitUnified. More...

#include <M5UnitComponent.hpp>
#include <m5_utility/container/circular_buffer.hpp>
#include <array>
#include <memory>

Go to the source code of this file.

Classes
struct	m5::unit::paj7620u2::Data
	Measurement data group. More...
class	m5::unit::UnitPAJ7620U2
	PAJ7620U2 unit. More...
struct	m5::unit::UnitPAJ7620U2::config_t
	Settings for begin. More...

Namespaces
namespace	m5
	Top level namespace of M5stack.
namespace	paj7620u2
	For PAJ7620U2.

Enumerations
enum class	m5::unit::paj7620u2::Gesture : uint16_t {   None , Up = 1U << 0 , Down = 1U << 1 , Left = 1U << 2 ,   Right = 1U << 3 , Forward = 1U << 4 , Backward = 1U << 5 , Clockwise = 1U << 6 ,   CounterClockwise = 1U << 7 , Wave = 1U << 8 , Approach = 1U << 9 , HasObject = 1U << 10 ,   WakeupTrigger = 1U << 11 , Confirm = 1U << 12 , Abort = 1U << 13 , Reserve = 1U << 14 ,   NoObject = 1U << 15 }
	Gesture type. More...
enum class	m5::unit::paj7620u2::Mode : uint8_t { Gesture , Proximity , Cursor }
	Operation Mode. More...
enum class	m5::unit::paj7620u2::Frequency : int8_t { Unknown = -1 , Normal , Gaming }
	Frequency Operating frequency. More...

Functions
float	m5::unit::paj7620u2::idle_time_to_hz (const uint16_t idle_time)
	Convert R_IDLE_TIME register value to frequency in Hz.
uint16_t	m5::unit::paj7620u2::hz_to_idle_time (const float hz)
	Convert frequency in Hz to R_IDLE_TIME register value.

Detailed Description

PAJ7620U2 Unit for M5UnitUnified.

Enumeration Type Documentation

Frequency

enum class m5::unit::paj7620u2::Frequency : int8_t

strong

Frequency Operating frequency.

Enumerator
Unknown	Unknown freq.
Normal	120Hz
Gaming	240Hz

Gesture

enum class m5::unit::paj7620u2::Gesture : uint16_t

strong

Gesture type.

Same as gesture detection interrupt flag bank:0 reg:0x43,0x44

Enumerator
None	No gesture.
Up	To up.
Down	To down.
Left	To left.
Right	To right.
Forward	Closer to the sensor.
Backward	Away from the sensor.
Clockwise	Clockwise.
CounterClockwise	Counter clock wise.
Wave	Wave.
Approach	Approach (proximity mode)
HasObject	Has object (cursor mode)
WakeupTrigger	Wakeup (trigger mode)
Confirm	Confirm (confirm mode)
Abort	Abort (confirm mode)
Reserve	Reserved.
NoObject	No object (cursor mode)

Mode

enum class m5::unit::paj7620u2::Mode : uint8_t

strong

Operation Mode.

Enumerator
Gesture	Detect gesture.
Proximity	Detect proximity.
Cursor	Detect XY coordinate.

Function Documentation

hz_to_idle_time()

uint16_t m5::unit::paj7620u2::hz_to_idle_time ( const float hz )

inline

Convert frequency in Hz to R_IDLE_TIME register value.

Parameters

hz	Frequency in Hz (must be > 0)

Returns

R_IDLE_TIME[15:0] register value, or 0 if out of range

Formula: idle_time = 31250 / Hz - 77

idle_time_to_hz()

float m5::unit::paj7620u2::idle_time_to_hz ( const uint16_t idle_time )

inline

Convert R_IDLE_TIME register value to frequency in Hz.

Parameters

idle_time

R_IDLE_TIME[15:0] register value

Returns

Frequency in Hz

Formula: Hz = 31250 / (77 + idle_time), where T = 256/8MHz = 32us