#include <tim_i2c.h>

Collaboration diagram for Soft_I2C:

Public Types
enum	STATE { START, A_0L, A_0H, A_1L, A_1H, A_2L, A_2H, A_3L, A_3H, A_4L, A_4H, A_5L, A_5H, A_6L, A_6H, A_7L, A_7H, A_AL, A_AH, W_0L, W_0H, W_1L, W_1H, W_2L, W_2H, W_3L, W_3H, W_4L, W_4H, W_5L, W_5H, W_6L, W_6H, W_7L, W_7H, W_AL, W_AH, STOP, STOP2, RESTART, RESTART2, DUMMY, R_0L, R_0H, R_1L, R_1H, R_2L, R_2H, R_3L, R_3H, R_4L, R_4H, R_5L, R_5H, R_6L, R_6H, R_7L, R_7H, R_AL, R_AH }

typedef enum Soft_I2C::STATE	State

Public Member Functions
	Soft_I2C ()

void	init ()

void	init_hw (const gpio_dev scl_dev, uint8_t scl_bit, const gpio_dev sda_dev, uint8_t sda_bit, const timer_dev *tim)

uint8_t	writeBuffer (uint8_t addr_, uint8_t len_, const uint8_t *data)

uint8_t	read (uint8_t addr_, uint8_t reg, uint8_t len, uint8_t *buf)

uint8_t	transfer (uint8_t addr, uint8_t send_len, const uint8_t send, uint8_t len, uint8_t buf)

bool	bus_reset (void)

void	set_low_speed (bool s)

Private Member Functions
void	tick ()

bool	_start (void)

uint8_t	wait_done ()

Private Attributes
const gpio_dev *	_scl_dev

uint8_t	_scl_bit

const gpio_dev *	_sda_dev

uint8_t	_sda_bit

const timer_dev *	_timer

volatile GPIO_TypeDef *	scl_port

uint16_t	scl_pin

volatile GPIO_TypeDef *	sda_port

uint16_t	sda_pin

volatile bool	done

volatile uint8_t	result

volatile State	state

bool	f_sda

bool	wait_scl

bool	was_restart

uint8_t	data

const uint8_t *	send

uint8_t	send_len

uint8_t *	recv

uint8_t	recv_len

uint8_t	_addr

uint16_t	bit_time

Detailed Description

Definition at line 15 of file tim_i2c.h.

Member Typedef Documentation

◆ State

typedef enum Soft_I2C::STATE Soft_I2C::State

Member Enumeration Documentation

◆ STATE

enum Soft_I2C::STATE

Enumerator
START
A_0L
A_0H
A_1L
A_1H
A_2L
A_2H
A_3L
A_3H
A_4L
A_4H
A_5L
A_5H
A_6L
A_6H
A_7L
A_7H
A_AL
A_AH
W_0L
W_0H
W_1L
W_1H
W_2L
W_2H
W_3L
W_3H
W_4L
W_4H
W_5L
W_5H
W_6L
W_6H
W_7L
W_7H
W_AL
W_AH
STOP
STOP2
RESTART
RESTART2
DUMMY
R_0L
R_0H
R_1L
R_1H
R_2L
R_2H
R_3L
R_3H
R_4L
R_4H
R_5L
R_5H
R_6L
R_6H
R_7L
R_7H
R_AL
R_AH

Definition at line 18 of file tim_i2c.h.

Constructor & Destructor Documentation

◆ Soft_I2C()

Soft_I2C::Soft_I2C ( )

Definition at line 106 of file tim_i2c.cpp.

Member Function Documentation

◆ _start()

bool Soft_I2C::_start ( void )

private

Definition at line 417 of file tim_i2c.cpp.

Referenced by read(), set_low_speed(), transfer(), and writeBuffer().

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◆ bus_reset()

bool Soft_I2C::bus_reset ( void )

Definition at line 567 of file tim_i2c.cpp.

Referenced by F4Light::I2CDevice::transfer().

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◆ init()

void Soft_I2C::init ( void )

Definition at line 143 of file tim_i2c.cpp.

Referenced by F4Light::I2CDevice::init().

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◆ init_hw()

void Soft_I2C::init_hw	(	const gpio_dev *	scl_dev,
		uint8_t	scl_bit,
		const gpio_dev *	sda_dev,
		uint8_t	sda_bit,
		const timer_dev *	tim
	)

Definition at line 114 of file tim_i2c.cpp.

Referenced by F4Light::I2CDevice::init().

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◆ read()

uint8_t Soft_I2C::read	(	uint8_t	addr_,
		uint8_t	reg,
		uint8_t	len,
		uint8_t *	buf
	)

Definition at line 532 of file tim_i2c.cpp.

Referenced by F4Light::I2CDevice::transfer().

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◆ set_low_speed()

void Soft_I2C::set_low_speed ( bool s )

inline

Definition at line 107 of file tim_i2c.h.

Referenced by F4Light::I2CDevice::init().

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◆ tick()

void Soft_I2C::tick ( void )

private

Definition at line 148 of file tim_i2c.cpp.

Referenced by _start(), and set_low_speed().

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◆ transfer()

uint8_t Soft_I2C::transfer	(	uint8_t	addr,
		uint8_t	send_len,
		const uint8_t *	send,
		uint8_t	len,
		uint8_t *	buf
	)

Definition at line 549 of file tim_i2c.cpp.

Referenced by F4Light::I2CDevice::transfer().

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◆ wait_done()

uint8_t Soft_I2C::wait_done ( )

private

Definition at line 471 of file tim_i2c.cpp.

Referenced by read(), set_low_speed(), transfer(), and writeBuffer().

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◆ writeBuffer()

uint8_t Soft_I2C::writeBuffer	(	uint8_t	addr_,
		uint8_t	len_,
		const uint8_t *	data
	)

Definition at line 516 of file tim_i2c.cpp.

Referenced by F4Light::I2CDevice::transfer().

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Member Data Documentation

◆ _addr

uint8_t Soft_I2C::_addr

private

Definition at line 140 of file tim_i2c.h.

Referenced by _start(), read(), tick(), transfer(), and writeBuffer().

◆ _scl_bit

uint8_t Soft_I2C::_scl_bit

private

Definition at line 117 of file tim_i2c.h.

Referenced by init_hw().

◆ _scl_dev

const gpio_dev* Soft_I2C::_scl_dev

private

Definition at line 116 of file tim_i2c.h.

Referenced by init_hw().

◆ _sda_bit

uint8_t Soft_I2C::_sda_bit

private

Definition at line 119 of file tim_i2c.h.

Referenced by init_hw().

◆ _sda_dev

const gpio_dev* Soft_I2C::_sda_dev

private

Definition at line 118 of file tim_i2c.h.

Referenced by init_hw().

◆ _timer

const timer_dev* Soft_I2C::_timer

private

Definition at line 120 of file tim_i2c.h.

Referenced by _start(), init_hw(), tick(), and wait_done().

◆ bit_time

uint16_t Soft_I2C::bit_time

private

Definition at line 142 of file tim_i2c.h.

Referenced by _start().

◆ data

uint8_t Soft_I2C::data

private

Definition at line 134 of file tim_i2c.h.

Referenced by _start(), and tick().

◆ done

volatile bool Soft_I2C::done

private

Definition at line 127 of file tim_i2c.h.

Referenced by _start(), tick(), and wait_done().

◆ f_sda

bool Soft_I2C::f_sda

private

Definition at line 130 of file tim_i2c.h.

Referenced by _start(), and tick().

◆ recv

uint8_t* Soft_I2C::recv

private

Definition at line 138 of file tim_i2c.h.

Referenced by read(), tick(), and transfer().

◆ recv_len

uint8_t Soft_I2C::recv_len

private

Definition at line 139 of file tim_i2c.h.

Referenced by read(), tick(), transfer(), wait_done(), and writeBuffer().

◆ result

volatile uint8_t Soft_I2C::result

private

Definition at line 128 of file tim_i2c.h.

Referenced by _start(), tick(), and wait_done().

◆ scl_pin

uint16_t Soft_I2C::scl_pin

private

Definition at line 123 of file tim_i2c.h.

Referenced by init_hw().

◆ scl_port

volatile GPIO_TypeDef* Soft_I2C::scl_port

private

Definition at line 122 of file tim_i2c.h.

Referenced by init_hw().

◆ sda_pin

uint16_t Soft_I2C::sda_pin

private

Definition at line 125 of file tim_i2c.h.

Referenced by init_hw().

◆ sda_port

volatile GPIO_TypeDef* Soft_I2C::sda_port

private

Definition at line 124 of file tim_i2c.h.

Referenced by init_hw().

◆ send

const uint8_t* Soft_I2C::send

private

Definition at line 136 of file tim_i2c.h.

Referenced by read(), tick(), transfer(), and writeBuffer().

◆ send_len

uint8_t Soft_I2C::send_len

private

Definition at line 137 of file tim_i2c.h.

Referenced by read(), tick(), transfer(), wait_done(), and writeBuffer().

◆ state

volatile State Soft_I2C::state

private

Definition at line 129 of file tim_i2c.h.

Referenced by _start(), tick(), and wait_done().

◆ wait_scl

bool Soft_I2C::wait_scl

private

Definition at line 131 of file tim_i2c.h.

Referenced by _start(), and tick().

◆ was_restart

bool Soft_I2C::was_restart

private

Definition at line 132 of file tim_i2c.h.

Referenced by _start(), and tick().

The documentation for this class was generated from the following files:

libraries/AP_HAL_F4Light/tim_i2c.h
libraries/AP_HAL_F4Light/tim_i2c.cpp

Public Types

Public Member Functions

Private Member Functions

Private Attributes

Detailed Description

Member Typedef Documentation

◆ State

Member Enumeration Documentation

◆ STATE

Constructor & Destructor Documentation

◆ Soft_I2C()

Member Function Documentation

◆ _start()

◆ bus_reset()

◆ init()

◆ init_hw()

◆ read()

◆ set_low_speed()

◆ tick()

◆ transfer()

◆ wait_done()

◆ writeBuffer()

Member Data Documentation

◆ _addr

◆ _scl_bit

◆ _scl_dev

◆ _sda_bit

◆ _sda_dev

◆ _timer

◆ bit_time

◆ data

◆ done

◆ f_sda

◆ recv

◆ recv_len

◆ result

◆ scl_pin

◆ scl_port

◆ sda_pin

◆ sda_port

◆ send

◆ send_len

◆ state

◆ wait_scl

◆ was_restart