#include <hal_types.h>
#include <hal.h>
#include "dma.h"

Include dependency graph for i2c.h:

This graph shows which files directly or indirectly include this file:

Classes
struct	I2C_DMA

struct	I2c_state

struct	i2c_dev
	I2C device type. More...

Macros
#define	I2C_50KHz_SPEED 50000

#define	I2C_75KHz_SPEED 75000

#define	I2C_100KHz_SPEED 100000

#define	I2C_250KHz_SPEED 250000

#define	I2C_400KHz_SPEED 400000

#define	I2C_BIT_MASK ((uint32_t)0x00FFFFFF)

#define	I2C_BIT_SMBALERT ((uint32_t)0x0008000)

#define	I2C_BIT_TIMEOUT ((uint32_t)0x4000)

#define	I2C_BIT_PECERR ((uint32_t)0x1000)

#define	I2C_BIT_OVR ((uint32_t)0x0800)

#define	I2C_BIT_AF ((uint32_t)0x0400)

#define	I2C_BIT_ARLO ((uint32_t)0x0200)

#define	I2C_BIT_BERR ((uint32_t)0x0100)

#define	I2C_BIT_TXE ((uint32_t)0x0080)

#define	I2C_BIT_RXNE ((uint32_t)0x0040)

#define	I2C_BIT_STOPF ((uint32_t)0x0010)

#define	I2C_BIT_ADD10 ((uint32_t)0x0008)

#define	I2C_BIT_BTF ((uint32_t)0x0004)

#define	I2C_BIT_ADDR ((uint32_t)0x0002)

#define	I2C_BIT_SB ((uint32_t)0x0001)

#define	I2C_IE_BUF ((uint16_t)0x0400)

#define	I2C_IE_EVT ((uint16_t)0x0200)

#define	I2C_IE_ERR ((uint16_t)0x0100)

#define	I2C_BIT_DUALF ((uint32_t)0x0080)

#define	I2C_BIT_SMBHOST ((uint32_t)0x0040)

#define	I2C_BIT_SMBDEFAULT ((uint32_t)0x0020)

#define	I2C_BIT_GENCALL ((uint32_t)0x0010)

#define	I2C_BIT_TRA ((uint32_t)0x0004)

#define	I2C_BIT_BUSY ((uint32_t)0x0002)

#define	I2C_BIT_MSL ((uint32_t)0x0001)

#define	I2C_NACKPosition_Next ((uint16_t)0x0800)

#define	I2C_NACKPosition_Current ((uint16_t)0xF7FF)

#define	I2C_Direction_Transmitter ((uint8_t)0x00)

#define	I2C_Direction_Receiver ((uint8_t)0x01)

#define	I2C_TIMEOUT (300)

#define	I2C_SMALL_TIMEOUT (50)

#define	I2C_OK 0

#define	I2C_NO_DEVICE 1

#define	I2C_ERROR 2

#define	I2C_BUS_BUSY 2

#define	I2C_ERR_WRITE 6

#define	I2C_NO_REGISTER 8

#define	I2C_BUS_ERR 99

#define	I2C_ERR_STOP 98

#define	I2C_STOP_BERR 97

#define	I2C_STOP_BUSY 96

#define	I2C_ERR_TIMEOUT 95

#define	I2C_ERR_REGISTER 94

#define	I2C_ERR_OVERRUN 93

#define	I2C_ERR_STOP_TIMEOUT 92

#define	I2C_DMA_BUSY 103

#define	I2C_PENDING 255

#define	I2C_DMA_ERROR 100

#define	DMA_BUFSIZE 8

Typedefs
typedef struct I2C_DMA	I2C_dma

typedef struct I2c_state	i2c_state

typedef struct i2c_dev	i2c_dev
	I2C device type. More...

Functions
void	i2c_init (const i2c_dev *dev, uint16_t address, uint32_t speed)

void	i2c_deinit (const i2c_dev *dev)
	DeInitializes peripherals used by the I2C driver. More...

uint32_t	i2c_write (const i2c_dev dev, uint8_t addr, const uint8_t tx_buff, uint8_t txlen)

uint32_t	i2c_read (const i2c_dev dev, uint8_t addr, const uint8_t tx_buff, uint8_t txlen, uint8_t *rx_buff, uint8_t rxlen)

void	i2c_lowLevel_deinit (const i2c_dev *dev)
	DeInitializes peripherals used by the I2C driver. More...

void	i2c_master_release_bus (const i2c_dev *dev)

bool	i2c_bus_reset (const i2c_dev *dev)

static void	i2c_set_isr_handler (const i2c_dev *dev, Handler h)

static void	i2c_clear_isr_handler (const i2c_dev *dev)

static void	i2c_send_address (const i2c_dev *dev, uint8_t address, uint8_t direction)

Variables
uint32_t	i2c_bit_time

const i2c_dev *const	_I2C1

const i2c_dev *const	_I2C2

const i2c_dev *const	_I2C3

Macro Definition Documentation

◆ DMA_BUFSIZE

#define DMA_BUFSIZE 8

Definition at line 80 of file i2c.h.

◆ I2C_100KHz_SPEED

#define I2C_100KHz_SPEED 100000

Definition at line 10 of file i2c.h.

◆ I2C_250KHz_SPEED

#define I2C_250KHz_SPEED 250000

Definition at line 11 of file i2c.h.

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

◆ I2C_400KHz_SPEED

#define I2C_400KHz_SPEED 400000

Definition at line 12 of file i2c.h.

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

◆ I2C_50KHz_SPEED

#define I2C_50KHz_SPEED 50000

Definition at line 8 of file i2c.h.

◆ I2C_75KHz_SPEED

#define I2C_75KHz_SPEED 75000

Definition at line 9 of file i2c.h.

◆ I2C_BIT_ADD10

#define I2C_BIT_ADD10 ((uint32_t)0x0008)

Definition at line 28 of file i2c.h.

◆ I2C_BIT_ADDR

#define I2C_BIT_ADDR ((uint32_t)0x0002)

Definition at line 30 of file i2c.h.

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

◆ I2C_BIT_AF

#define I2C_BIT_AF ((uint32_t)0x0400)

Definition at line 22 of file i2c.h.

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

◆ I2C_BIT_ARLO

#define I2C_BIT_ARLO ((uint32_t)0x0200)

Definition at line 23 of file i2c.h.

Referenced by F4Light::I2CDevice::isr_ev(), and F4Light::I2CDevice::wait_stop_done().

◆ I2C_BIT_BERR

#define I2C_BIT_BERR ((uint32_t)0x0100)

Definition at line 24 of file i2c.h.

Referenced by F4Light::I2CDevice::isr_ev(), and F4Light::I2CDevice::wait_stop_done().

◆ I2C_BIT_BTF

#define I2C_BIT_BTF ((uint32_t)0x0004)

Definition at line 29 of file i2c.h.

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

◆ I2C_BIT_BUSY

#define I2C_BIT_BUSY ((uint32_t)0x0002)

Definition at line 44 of file i2c.h.

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

◆ I2C_BIT_DUALF

#define I2C_BIT_DUALF ((uint32_t)0x0080)

Definition at line 39 of file i2c.h.

◆ I2C_BIT_GENCALL

#define I2C_BIT_GENCALL ((uint32_t)0x0010)

Definition at line 42 of file i2c.h.

◆ I2C_BIT_MASK

#define I2C_BIT_MASK ((uint32_t)0x00FFFFFF)

Definition at line 15 of file i2c.h.

Referenced by F4Light::I2CDevice::isr_ev(), and F4Light::I2CDevice::wait_stop_done().

◆ I2C_BIT_MSL

#define I2C_BIT_MSL ((uint32_t)0x0001)

Definition at line 45 of file i2c.h.

◆ I2C_BIT_OVR

#define I2C_BIT_OVR ((uint32_t)0x0800)

Definition at line 21 of file i2c.h.

◆ I2C_BIT_PECERR

#define I2C_BIT_PECERR ((uint32_t)0x1000)

Definition at line 20 of file i2c.h.

◆ I2C_BIT_RXNE

#define I2C_BIT_RXNE ((uint32_t)0x0040)

Definition at line 26 of file i2c.h.

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

◆ I2C_BIT_SB

#define I2C_BIT_SB ((uint32_t)0x0001)

Definition at line 31 of file i2c.h.

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

◆ I2C_BIT_SMBALERT

#define I2C_BIT_SMBALERT ((uint32_t)0x0008000)

Definition at line 18 of file i2c.h.

◆ I2C_BIT_SMBDEFAULT

#define I2C_BIT_SMBDEFAULT ((uint32_t)0x0020)

Definition at line 41 of file i2c.h.

◆ I2C_BIT_SMBHOST

#define I2C_BIT_SMBHOST ((uint32_t)0x0040)

Definition at line 40 of file i2c.h.

◆ I2C_BIT_STOPF

#define I2C_BIT_STOPF ((uint32_t)0x0010)

Definition at line 27 of file i2c.h.

◆ I2C_BIT_TIMEOUT

#define I2C_BIT_TIMEOUT ((uint32_t)0x4000)

Definition at line 19 of file i2c.h.

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

◆ I2C_BIT_TRA

#define I2C_BIT_TRA ((uint32_t)0x0004)

Definition at line 43 of file i2c.h.

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

◆ I2C_BIT_TXE

#define I2C_BIT_TXE ((uint32_t)0x0080)

Definition at line 25 of file i2c.h.

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

◆ I2C_BUS_BUSY

#define I2C_BUS_BUSY 2

Definition at line 64 of file i2c.h.

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

◆ I2C_BUS_ERR

#define I2C_BUS_ERR 99

Definition at line 67 of file i2c.h.

Referenced by F4Light::I2CDevice::isr_ev(), and F4Light::I2CDevice::transfer().

◆ I2C_Direction_Receiver

#define I2C_Direction_Receiver ((uint8_t)0x01)

Definition at line 52 of file i2c.h.

Referenced by F4Light::I2CDevice::isr_ev(), and Soft_I2C::tick().

◆ I2C_Direction_Transmitter

#define I2C_Direction_Transmitter ((uint8_t)0x00)

Definition at line 51 of file i2c.h.

Referenced by Soft_I2C::_start(), i2c_send_address(), and F4Light::I2CDevice::isr_ev().

◆ I2C_DMA_BUSY

#define I2C_DMA_BUSY 103

Definition at line 75 of file i2c.h.

◆ I2C_DMA_ERROR

#define I2C_DMA_ERROR 100

Definition at line 77 of file i2c.h.

◆ I2C_ERR_OVERRUN

#define I2C_ERR_OVERRUN 93

Definition at line 73 of file i2c.h.

◆ I2C_ERR_REGISTER

#define I2C_ERR_REGISTER 94

Definition at line 72 of file i2c.h.

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

◆ I2C_ERR_STOP

#define I2C_ERR_STOP 98

Definition at line 68 of file i2c.h.

Referenced by F4Light::I2CDevice::transfer(), and F4Light::I2CDevice::wait_stop_done().

◆ I2C_ERR_STOP_TIMEOUT

#define I2C_ERR_STOP_TIMEOUT 92

Definition at line 74 of file i2c.h.

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

◆ I2C_ERR_TIMEOUT

#define I2C_ERR_TIMEOUT 95

Definition at line 71 of file i2c.h.

Referenced by F4Light::I2CDevice::i2c_read(), F4Light::I2CDevice::i2c_write(), and Soft_I2C::wait_done().

◆ I2C_ERR_WRITE

#define I2C_ERR_WRITE 6

Definition at line 65 of file i2c.h.

Referenced by Soft_I2C::tick().

◆ I2C_ERROR

#define I2C_ERROR 2

Definition at line 63 of file i2c.h.

Referenced by F4Light::I2CDevice::isr_ev(), Soft_I2C::read(), Soft_I2C::transfer(), Soft_I2C::wait_done(), and Soft_I2C::writeBuffer().

◆ I2C_IE_BUF

#define I2C_IE_BUF ((uint16_t)0x0400)

Definition at line 34 of file i2c.h.

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

◆ I2C_IE_ERR

#define I2C_IE_ERR ((uint16_t)0x0100)

Definition at line 36 of file i2c.h.

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

◆ I2C_IE_EVT

#define I2C_IE_EVT ((uint16_t)0x0200)

Definition at line 35 of file i2c.h.

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

◆ I2C_NACKPosition_Current

#define I2C_NACKPosition_Current ((uint16_t)0xF7FF)

Definition at line 49 of file i2c.h.

◆ I2C_NACKPosition_Next

#define I2C_NACKPosition_Next ((uint16_t)0x0800)

Definition at line 48 of file i2c.h.

Referenced by F4Light::I2CDevice::i2c_read(), and F4Light::I2CDevice::i2c_write().

◆ I2C_NO_DEVICE

#define I2C_NO_DEVICE 1

Definition at line 62 of file i2c.h.

Referenced by F4Light::I2CDevice::isr_ev(), Soft_I2C::tick(), and F4Light::I2CDevice::transfer().

◆ I2C_NO_REGISTER

#define I2C_NO_REGISTER 8

Definition at line 66 of file i2c.h.

Referenced by Soft_I2C::tick().

◆ I2C_OK

#define I2C_OK 0

Definition at line 61 of file i2c.h.

Referenced by Soft_I2C::_start(), F4Light::I2CDevice::i2c_read(), F4Light::I2CDevice::i2c_write(), F4Light::I2CDevice::isr_ev(), Soft_I2C::tick(), F4Light::I2CDevice::transfer(), and F4Light::I2CDevice::wait_stop_done().

◆ I2C_PENDING

#define I2C_PENDING 255

Definition at line 76 of file i2c.h.

Referenced by F4Light::I2CDevice::i2c_read(), F4Light::I2CDevice::i2c_write(), and F4Light::I2CDevice::transfer().

◆ I2C_SMALL_TIMEOUT

#define I2C_SMALL_TIMEOUT (50)

Definition at line 58 of file i2c.h.

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

◆ I2C_STOP_BERR

#define I2C_STOP_BERR 97

Definition at line 69 of file i2c.h.

Referenced by F4Light::I2CDevice::transfer(), and F4Light::I2CDevice::wait_stop_done().

◆ I2C_STOP_BUSY

#define I2C_STOP_BUSY 96

Definition at line 70 of file i2c.h.

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

◆ I2C_TIMEOUT

#define I2C_TIMEOUT (300)

Definition at line 57 of file i2c.h.

Typedef Documentation

◆ i2c_dev

typedef struct i2c_dev i2c_dev

I2C device type.

◆ I2C_dma

typedef struct I2C_DMA I2C_dma

◆ i2c_state

typedef struct I2c_state i2c_state

Function Documentation

◆ i2c_bus_reset()

bool i2c_bus_reset ( const i2c_dev * dev )

Definition at line 271 of file i2c.c.

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

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◆ i2c_clear_isr_handler()

static void i2c_clear_isr_handler ( const i2c_dev * dev )

inlinestatic

Definition at line 140 of file i2c.h.

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

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◆ i2c_deinit()

void i2c_deinit ( const i2c_dev * dev )

DeInitializes peripherals used by the I2C driver.

Parameters

None

Return values

None

Definition at line 199 of file i2c.c.

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

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◆ i2c_init()

void i2c_init	(	const i2c_dev *	dev,
		uint16_t	address,
		uint32_t	speed
	)

Definition at line 166 of file i2c.c.

Referenced by F4Light::I2CDevice::init(), read_calibration_data(), and setup().

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◆ i2c_lowLevel_deinit()

void i2c_lowLevel_deinit ( const i2c_dev * dev )

DeInitializes peripherals used by the I2C driver.

Parameters

None

Return values

None

< GPIO configuration

< Configure I2C pins: SCL

< Configure I2C pins: SDA

Definition at line 87 of file i2c.c.

Referenced by i2c_deinit().

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◆ i2c_master_release_bus()

void i2c_master_release_bus ( const i2c_dev * dev )

Definition at line 248 of file i2c.c.

Referenced by i2c_bus_reset().

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◆ i2c_read()

uint32_t i2c_read	(	const i2c_dev *	dev,
		uint8_t	addr,
		const uint8_t *	tx_buff,
		uint8_t	txlen,
		uint8_t *	rx_buff,
		uint8_t	rxlen
	)

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

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◆ i2c_send_address()

static void i2c_send_address	(	const i2c_dev *	dev,
		uint8_t	address,
		uint8_t	direction
	)

inlinestatic

Definition at line 145 of file i2c.h.

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

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◆ i2c_set_isr_handler()

static void i2c_set_isr_handler	(	const i2c_dev *	dev,
		Handler	h
	)

inlinestatic

Definition at line 128 of file i2c.h.

Referenced by F4Light::I2CDevice::i2c_read(), and F4Light::I2CDevice::i2c_write().

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◆ i2c_write()

uint32_t i2c_write	(	const i2c_dev *	dev,
		uint8_t	addr,
		const uint8_t *	tx_buff,
		uint8_t	txlen
	)

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

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Variable Documentation

◆ _I2C1

const i2c_dev* const _I2C1

Referenced by i2c_send_address(), and F4Light::I2CDevice::init().

◆ _I2C2

const i2c_dev* const _I2C2

Referenced by i2c_send_address(), and F4Light::I2CDevice::init().

◆ _I2C3

const i2c_dev* const _I2C3

Referenced by i2c_send_address().

◆ i2c_bit_time

uint32_t i2c_bit_time

Definition at line 80 of file i2c.c.

Referenced by i2c_init(), F4Light::I2CDevice::i2c_read(), and F4Light::I2CDevice::i2c_write().

Classes

Macros

Typedefs

Functions

Variables

Macro Definition Documentation

◆ DMA_BUFSIZE

◆ I2C_100KHz_SPEED

◆ I2C_250KHz_SPEED

◆ I2C_400KHz_SPEED

◆ I2C_50KHz_SPEED

◆ I2C_75KHz_SPEED

◆ I2C_BIT_ADD10

◆ I2C_BIT_ADDR

◆ I2C_BIT_AF

◆ I2C_BIT_ARLO

◆ I2C_BIT_BERR

◆ I2C_BIT_BTF

◆ I2C_BIT_BUSY

◆ I2C_BIT_DUALF

◆ I2C_BIT_GENCALL

◆ I2C_BIT_MASK

◆ I2C_BIT_MSL

◆ I2C_BIT_OVR

◆ I2C_BIT_PECERR

◆ I2C_BIT_RXNE

◆ I2C_BIT_SB

◆ I2C_BIT_SMBALERT

◆ I2C_BIT_SMBDEFAULT

◆ I2C_BIT_SMBHOST

◆ I2C_BIT_STOPF

◆ I2C_BIT_TIMEOUT

◆ I2C_BIT_TRA

◆ I2C_BIT_TXE

◆ I2C_BUS_BUSY

◆ I2C_BUS_ERR

◆ I2C_Direction_Receiver

◆ I2C_Direction_Transmitter

◆ I2C_DMA_BUSY

◆ I2C_DMA_ERROR

◆ I2C_ERR_OVERRUN

◆ I2C_ERR_REGISTER

◆ I2C_ERR_STOP

◆ I2C_ERR_STOP_TIMEOUT

◆ I2C_ERR_TIMEOUT

◆ I2C_ERR_WRITE

◆ I2C_ERROR

◆ I2C_IE_BUF

◆ I2C_IE_ERR

◆ I2C_IE_EVT

◆ I2C_NACKPosition_Current

◆ I2C_NACKPosition_Next

◆ I2C_NO_DEVICE

◆ I2C_NO_REGISTER

◆ I2C_OK

◆ I2C_PENDING

◆ I2C_SMALL_TIMEOUT

◆ I2C_STOP_BERR

◆ I2C_STOP_BUSY

◆ I2C_TIMEOUT

Typedef Documentation

◆ i2c_dev

◆ I2C_dma

◆ i2c_state

Function Documentation

◆ i2c_bus_reset()

◆ i2c_clear_isr_handler()

◆ i2c_deinit()

◆ i2c_init()

◆ i2c_lowLevel_deinit()

◆ i2c_master_release_bus()

◆ i2c_read()

◆ i2c_send_address()

◆ i2c_set_isr_handler()

◆ i2c_write()

Variable Documentation

◆ _I2C1

◆ _I2C2

◆ _I2C3

◆ i2c_bit_time