Functions
void	I2S_Init (LPC_I2S_TypeDef *I2Sx)
	Initialize I2S Turn on power and clock.
void	I2S_Config (LPC_I2S_TypeDef I2Sx, uint8_t TRMode, I2S_CFG_Type ConfigStruct)
	Configuration I2S, setting: master/slave mode wordwidth value channel mode.
void	I2S_DeInit (LPC_I2S_TypeDef *I2Sx)
	DeInitial both I2S transmit or receive.
uint8_t	I2S_GetLevel (LPC_I2S_TypeDef *I2Sx, uint8_t TRMode)
	Get I2S Buffer Level.
void	I2S_Start (LPC_I2S_TypeDef *I2Sx)
	I2S Start: clear all STOP,RESET and MUTE bit, ready to operate.
void	I2S_Send (LPC_I2S_TypeDef *I2Sx, uint32_t BufferData)
	I2S Send data.
uint32_t	I2S_Receive (LPC_I2S_TypeDef *I2Sx)
	I2S Receive Data.
void	I2S_Pause (LPC_I2S_TypeDef *I2Sx, uint8_t TRMode)
	I2S Pause.
void	I2S_Mute (LPC_I2S_TypeDef *I2Sx, uint8_t TRMode)
	I2S Mute.
void	I2S_Stop (LPC_I2S_TypeDef *I2Sx, uint8_t TRMode)
	I2S Stop.
Status	I2S_FreqConfig (LPC_I2S_TypeDef *I2Sx, uint32_t Freq, uint8_t TRMode)
	Set frequency for I2S.
void	I2S_SetBitRate (LPC_I2S_TypeDef *I2Sx, uint8_t bitrate, uint8_t TRMode)
	I2S set bitrate.
void	I2S_ModeConfig (LPC_I2S_TypeDef I2Sx, I2S_MODEConf_Type ModeConfig, uint8_t TRMode)
	Configuration operating mode for I2S.
void	I2S_DMAConfig (LPC_I2S_TypeDef I2Sx, I2S_DMAConf_Type DMAConfig, uint8_t TRMode)
	Configure DMA operation for I2S.
void	I2S_DMACmd (LPC_I2S_TypeDef *I2Sx, uint8_t DMAIndex, uint8_t TRMode, FunctionalState NewState)
	Enable/Disable DMA operation for I2S.
void	I2S_IRQConfig (LPC_I2S_TypeDef *I2Sx, uint8_t TRMode, uint8_t level)
	Configure IRQ for I2S.
void	I2S_IRQCmd (LPC_I2S_TypeDef *I2Sx, uint8_t TRMode, FunctionalState NewState)
	Enable/Disable IRQ for I2S.
FunctionalState	I2S_GetIRQStatus (LPC_I2S_TypeDef *I2Sx, uint8_t TRMode)
	Get I2S interrupt status.
uint8_t	I2S_GetIRQDepth (LPC_I2S_TypeDef *I2Sx, uint8_t TRMode)
	Get I2S interrupt depth.

Function Documentation

void I2S_Config	(	LPC_I2S_TypeDef *	I2Sx,
		uint8_t	TRMode,
		I2S_CFG_Type *	ConfigStruct
	)

Configuration I2S, setting:

master/slave mode
wordwidth value
channel mode.

Parameters:

[in] I2Sx I2S peripheral selected, should be: LPC_I2S

[in]

TRMode

transmit/receive mode, should be:

I2S_TX_MODE = 0: transmit mode
I2S_RX_MODE = 1: receive mode

[in] ConfigStruct pointer to I2S_CFG_Type structure which will be initialized.

Returns:: none

Definition at line 137 of file lpc17xx_i2s.c.

void I2S_DeInit ( LPC_I2S_TypeDef * I2Sx )

DeInitial both I2S transmit or receive.

Parameters:

[in] I2Sx I2S peripheral selected, should be: LPC_I2S

Returns:: none

Definition at line 169 of file lpc17xx_i2s.c.

void I2S_DMACmd	(	LPC_I2S_TypeDef *	I2Sx,
		uint8_t	DMAIndex,
		uint8_t	TRMode,
		FunctionalState	NewState
	)

Enable/Disable DMA operation for I2S.

Parameters:

[in]	I2Sx,:	I2S peripheral selected, should be: LPC_I2S
[in]	DMAIndex	chose what DMA is used, should be: I2S_DMA_1 = 0: DMA1 I2S_DMA_2 = 1: DMA2
[in]	TRMode	is transmit/receive mode, should be: I2S_TX_MODE = 0: transmit mode I2S_RX_MODE = 1: receive mode
[in]	NewState	is new state of DMA operation, should be: ENABLE DISABLE

Returns:: none

Definition at line 519 of file lpc17xx_i2s.c.

void I2S_DMAConfig	(	LPC_I2S_TypeDef *	I2Sx,
		I2S_DMAConf_Type *	DMAConfig,
		uint8_t	TRMode
	)

Configure DMA operation for I2S.

Parameters:

[in] I2Sx I2S peripheral selected, should be: LPC_I2S

[in] DMAConfig pointer to I2S_DMAConf_Type will be used to configure

[in]

TRMode

is transmit/receive mode, should be:

I2S_TX_MODE = 0: transmit mode
I2S_RX_MODE = 1: receive mode

Returns:: none

Definition at line 482 of file lpc17xx_i2s.c.

Status I2S_FreqConfig	(	LPC_I2S_TypeDef *	I2Sx,
		uint32_t	Freq,
		uint8_t	TRMode
	)

Set frequency for I2S.

Parameters:

[in] I2Sx I2S peripheral selected, should be: LPC_I2S

[in] Freq is the frequency for I2S will be set. It can range from 16-96 kHz(16, 22.05, 32, 44.1, 48, 96kHz)

[in]

TRMode

is transmit/receive mode, should be:

I2S_TX_MODE = 0: transmit mode
I2S_RX_MODE = 1: receive mode

Returns:: Status: ERROR or SUCCESS

Definition at line 314 of file lpc17xx_i2s.c.

uint8_t I2S_GetIRQDepth	(	LPC_I2S_TypeDef *	I2Sx,
		uint8_t	TRMode
	)

Get I2S interrupt depth.

Parameters:

[in] I2Sx I2S peripheral selected, should be: LPC_I2S

[in]

TRMode

is transmit/receive mode, should be:

I2S_TX_MODE = 0: transmit mode
I2S_RX_MODE = 1: receive mode

Returns:: depth of FIFO level on which to create an irq request

Definition at line 632 of file lpc17xx_i2s.c.

FunctionalState I2S_GetIRQStatus	(	LPC_I2S_TypeDef *	I2Sx,
		uint8_t	TRMode
	)

Get I2S interrupt status.

Parameters:

[in] I2Sx I2S peripheral selected, should be: LPC_I2S

[in]

TRMode

is transmit/receive mode, should be:

I2S_TX_MODE = 0: transmit mode
I2S_RX_MODE = 1: receive mode

Returns:

FunctionState should be:

ENABLE: interrupt is enable
DISABLE: interrupt is disable

Definition at line 615 of file lpc17xx_i2s.c.

uint8_t I2S_GetLevel	(	LPC_I2S_TypeDef *	I2Sx,
		uint8_t	TRMode
	)

Get I2S Buffer Level.

Parameters:

[in] I2Sx I2S peripheral selected, should be: LPC_I2S

[in]

TRMode

Transmit/receive mode, should be:

I2S_TX_MODE = 0: transmit mode
I2S_RX_MODE = 1: receive mode

Returns:: current level of Transmit/Receive Buffer

Definition at line 184 of file lpc17xx_i2s.c.

void I2S_Init ( LPC_I2S_TypeDef * I2Sx )

Initialize I2S

Turn on power and clock.

Parameters:

[in] I2Sx I2S peripheral selected, should be: LPC_I2S

Returns:: none

Definition at line 116 of file lpc17xx_i2s.c.

void I2S_IRQCmd	(	LPC_I2S_TypeDef *	I2Sx,
		uint8_t	TRMode,
		FunctionalState	NewState
	)

Enable/Disable IRQ for I2S.

Parameters:

[in] I2Sx I2S peripheral selected, should be: LPC_I2S

[in]

TRMode

is transmit/receive mode, should be:

I2S_TX_MODE = 0: transmit mode
I2S_RX_MODE = 1: receive mode

[in]

NewState

is new state of DMA operation, should be:

ENABLE
DISABLE

Returns:: none

Definition at line 586 of file lpc17xx_i2s.c.

void I2S_IRQConfig	(	LPC_I2S_TypeDef *	I2Sx,
		uint8_t	TRMode,
		uint8_t	level
	)

Configure IRQ for I2S.

Parameters:

[in] I2Sx I2S peripheral selected, should be: LPC_I2S

[in]

TRMode

is transmit/receive mode, should be:

I2S_TX_MODE = 0: transmit mode
I2S_RX_MODE = 1: receive mode

[in] level is the FIFO level that triggers IRQ request

Returns:: none

Definition at line 563 of file lpc17xx_i2s.c.

void I2S_ModeConfig	(	LPC_I2S_TypeDef *	I2Sx,
		I2S_MODEConf_Type *	ModeConfig,
		uint8_t	TRMode
	)

Configuration operating mode for I2S.

Parameters:

[in] I2Sx I2S peripheral selected, should be: LPC_I2S

[in] ModeConfig pointer to I2S_MODEConf_Type will be used to configure

[in]

TRMode

is transmit/receive mode, should be:

I2S_TX_MODE = 0: transmit mode
I2S_RX_MODE = 1: receive mode

Returns:: none

Definition at line 439 of file lpc17xx_i2s.c.

void I2S_Mute	(	LPC_I2S_TypeDef *	I2Sx,
		uint8_t	TRMode
	)

I2S Mute.

Parameters:

[in] I2Sx I2S peripheral selected, should be: LPC_I2S

[in]

TRMode

is transmit/receive mode, should be:

I2S_TX_MODE = 0: transmit mode
I2S_RX_MODE = 1: receive mode

Returns:: none

Definition at line 267 of file lpc17xx_i2s.c.

void I2S_Pause	(	LPC_I2S_TypeDef *	I2Sx,
		uint8_t	TRMode
	)

I2S Pause.

Parameters:

[in] I2Sx I2S peripheral selected, should be: LPC_I2S

[in]

TRMode

is transmit/receive mode, should be:

I2S_TX_MODE = 0: transmit mode
I2S_RX_MODE = 1: receive mode

Returns:: none

Definition at line 246 of file lpc17xx_i2s.c.

uint32_t I2S_Receive ( LPC_I2S_TypeDef * I2Sx )

I2S Receive Data.

Parameters:

[in] I2Sx pointer to LPC_I2S_TypeDef

Returns:: received value

Definition at line 231 of file lpc17xx_i2s.c.

void I2S_Send	(	LPC_I2S_TypeDef *	I2Sx,
		uint32_t	BufferData
	)

I2S Send data.

Parameters:

[in]	I2Sx	I2S peripheral selected, should be: LPC_I2S
[in]	BufferData	pointer to uint32_t is the data will be send

Returns:: none

Definition at line 220 of file lpc17xx_i2s.c.

void I2S_SetBitRate	(	LPC_I2S_TypeDef *	I2Sx,
		uint8_t	bitrate,
		uint8_t	TRMode
	)

I2S set bitrate.

Parameters:

[in] I2Sx I2S peripheral selected, should be: LPC_I2S

[in] bitrate value will be set, it can be calculate as follows: bitrate = channel * wordwidth - 1 bitrate value should be in range: 0 .. 63

[in]

TRMode

is transmit/receive mode, should be:

I2S_TX_MODE = 0: transmit mode
I2S_RX_MODE = 1: receive mode

Returns:: none

Definition at line 413 of file lpc17xx_i2s.c.

void I2S_Start ( LPC_I2S_TypeDef * I2Sx )

I2S Start: clear all STOP,RESET and MUTE bit, ready to operate.

Parameters:

[in] I2Sx I2S peripheral selected, should be: LPC_I2S

Returns:: none

Definition at line 204 of file lpc17xx_i2s.c.

void I2S_Stop	(	LPC_I2S_TypeDef *	I2Sx,
		uint8_t	TRMode
	)

I2S Stop.

Parameters:

[in] I2Sx I2S peripheral selected, should be: LPC_I2S

[in]

TRMode

is transmit/receive mode, should be:

I2S_TX_MODE = 0: transmit mode
I2S_RX_MODE = 1: receive mode

Returns:: none

Definition at line 288 of file lpc17xx_i2s.c.

Type:	Program
Mbed OS support:	Mbed 2 deprecated
Created:	21 Jan 2011
Imports:	2
Forks:	0
Commits:	1
Dependents:	0
Dependencies:	1
Followers:	2

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I2S Public Functions
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