Bus Operations Functions

Functions
static void	SPIx_Init (void)
	SPIx Bus initialization.
static void	SPIx_MspInit (SPI_HandleTypeDef *hspi)
	SPI MSP Init.
static void	SPIx_DeInit (void)
	SPIx Bus Deinitialization.
static void	SPIx_MspDeInit (void)
	SPI MSP DeInit.
static uint8_t	SPIx_WriteRead (uint8_t Byte)
	Sends a Byte through the SPI interface and return the Byte received from the SPI bus.
static void	SPIx_Write (uint8_t Byte)
	Sends a Byte through the SPI interface.
static uint8_t	SPIx_Read (void)
	Receives a Byte from the SPI bus.
static void	I2C1_Init (void)
	Discovery I2C1 Bus initialization.
static void	I2C1_MspInit (I2C_HandleTypeDef *hi2c)
	Discovery I2C1 MSP Initialization.
static void	I2C1_DeInit (void)
	Discovery I2C1 Bus Deitialization.
static void	I2C1_MspDeInit (I2C_HandleTypeDef *hi2c)
	Discovery I2C1 MSP Deinitialization.
static HAL_StatusTypeDef	I2C1_WriteBuffer (uint16_t Addr, uint16_t Reg, uint16_t RegSize, uint8_t *pBuffer, uint16_t Length)
	Write a value in a register of the device through BUS.
static HAL_StatusTypeDef	I2C1_ReadBuffer (uint16_t Addr, uint16_t Reg, uint16_t RegSize, uint8_t *pBuffer, uint16_t Length)
	Reads multiple data on the BUS.
static void	I2C1_Error (void)
	Discovery I2C1 error treatment function.
static void	I2C2_Init (void)
	Discovery I2C2 Bus initialization.
static void	I2C2_MspInit (I2C_HandleTypeDef *hi2c)
	Discovery I2C2 MSP Initialization.
static void	I2C2_DeInit (void)
	Discovery I2C2 Bus Deinitialization.
static void	I2C2_MspDeInit (I2C_HandleTypeDef *hi2c)
	Discovery I2C2 MSP DeInitialization.
static void	I2C2_WriteData (uint16_t Addr, uint16_t Reg, uint16_t RegSize, uint8_t Value)
	Write a value in a register of the device through BUS.
static HAL_StatusTypeDef	I2C2_WriteBuffer (uint16_t Addr, uint16_t Reg, uint16_t RegSize, uint8_t *pBuffer, uint16_t Length)
	Write a value in a register of the device through BUS.
static uint8_t	I2C2_ReadData (uint16_t Addr, uint16_t Reg, uint16_t RegSize)
	Read a register of the device through BUS.
static HAL_StatusTypeDef	I2C2_ReadBuffer (uint16_t Addr, uint16_t Reg, uint16_t RegSize, uint8_t *pBuffer, uint16_t Length)
	Reads multiple data on the BUS.
static void	I2C2_Error (void)
	Discovery I2C2 error treatment function.
void	ACCELERO_IO_Init (void)
	Configures COMPASS/ACCELEROMETER io interface.
void	ACCELERO_IO_DeInit (void)
	De-Configures COMPASS/ACCELEROMETER io interface.
void	ACCELERO_IO_ITConfig (void)
	Configures COMPASS / ACCELERO click IT.
void	ACCELERO_IO_Write (uint8_t RegisterAddr, uint8_t Value)
	Writes one byte to the COMPASS / ACCELEROMETER.
uint8_t	ACCELERO_IO_Read (uint8_t RegisterAddr)
	Reads a block of data from the COMPASS / ACCELEROMETER.
void	MAGNETO_IO_Init (void)
	Configures COMPASS/MAGNETO SPI interface.
void	MAGNETO_IO_DeInit (void)
	de-Configures COMPASS/MAGNETO SPI interface.
void	MAGNETO_IO_Write (uint8_t RegisterAddr, uint8_t Value)
	Writes one byte to the COMPASS/MAGNETO.
uint8_t	MAGNETO_IO_Read (uint8_t RegisterAddr)
	Reads a block of data from the COMPASS/MAGNETO.
void	GYRO_IO_Init (void)
	Configures the GYRO SPI interface.
void	GYRO_IO_DeInit (void)
	de-Configures GYRO SPI interface.
void	GYRO_IO_Write (uint8_t *pBuffer, uint8_t WriteAddr, uint16_t NumByteToWrite)
	Writes one byte to the GYRO.
void	GYRO_IO_Read (uint8_t *pBuffer, uint8_t ReadAddr, uint16_t NumByteToRead)
	Reads a block of data from the GYROSCOPE.
void	MFX_IO_Init (void)
	Initializes MFX low level.
void	MFX_IO_DeInit (void)
	Deinitializes MFX low level.
void	MFX_IO_ITConfig (void)
	Configures MFX low level interrupt.
void	MFX_IO_EnableWakeupPin (void)
	Configures MFX wke up pin.
void	MFX_IO_Wakeup (void)
	Wakeup MFX.
void	MFX_IO_Write (uint16_t Addr, uint8_t Reg, uint8_t Value)
	MFX writes single data.
uint8_t	MFX_IO_Read (uint16_t Addr, uint8_t Reg)
	MFX reads single data.
uint16_t	MFX_IO_ReadMultiple (uint16_t Addr, uint8_t Reg, uint8_t *Buffer, uint16_t Length)
	MFX reads multiple data.
void	MFX_IO_WriteMultiple (uint16_t Addr, uint8_t Reg, uint8_t *Buffer, uint16_t Length)
	MFX writes multiple data.
void	MFX_IO_Delay (uint32_t Delay)
	MFX delay.
void	AUDIO_IO_Init (void)
	Initializes Audio low level.
void	AUDIO_IO_DeInit (void)
	Deinitializes Audio low level.
void	AUDIO_IO_Write (uint8_t Addr, uint8_t Reg, uint8_t Value)
	Writes a single data.
uint8_t	AUDIO_IO_Read (uint8_t Addr, uint8_t Reg)
	Reads a single data.
void	AUDIO_IO_Delay (uint32_t Delay)
	AUDIO Codec delay.

---

Function Documentation

void ACCELERO_IO_DeInit

(

void

)

De-Configures COMPASS/ACCELEROMETER io interface.

Return values:

None

Definition at line 1188 of file stm32l476g_discovery.c.

References ACCELERO_CS_GPIO_CLK_ENABLE, ACCELERO_CS_GPIO_PORT, ACCELERO_CS_HIGH, ACCELERO_CS_PIN, and SPIx_DeInit().

Referenced by BSP_COMPASS_DeInit().

void ACCELERO_IO_Init

(

void

)

Configures COMPASS/ACCELEROMETER io interface.

Return values:

None

Definition at line 1166 of file stm32l476g_discovery.c.

References ACCELERO_CS_GPIO_CLK_ENABLE, ACCELERO_CS_GPIO_PORT, ACCELERO_CS_HIGH, ACCELERO_CS_PIN, and SPIx_Init().

void ACCELERO_IO_ITConfig

(

void

)

Configures COMPASS / ACCELERO click IT.

Return values:

None

Definition at line 1211 of file stm32l476g_discovery.c.

uint8_t ACCELERO_IO_Read

(

uint8_t

RegisterAddr

)

Reads a block of data from the COMPASS / ACCELEROMETER.

Parameters:

RegisterAddr

: specifies the COMPASS / ACCELEROMETER internal address register to read from

Return values:

ACCELEROMETER

register value

Definition at line 1236 of file stm32l476g_discovery.c.

References __SPI_DIRECTION_1LINE_RX, __SPI_DIRECTION_1LINE_TX, ACCELERO_CS_HIGH, ACCELERO_CS_LOW, SpiHandle, SPIx_Read(), and SPIx_Write().

void ACCELERO_IO_Write	(	uint8_t	RegisterAddr,
		uint8_t	Value
	)

Writes one byte to the COMPASS / ACCELEROMETER.

Parameters:

RegisterAddr	specifies the COMPASS / ACCELEROMETER register to be written.
Value	: Data to be written

Return values:

None

Definition at line 1221 of file stm32l476g_discovery.c.

References __SPI_DIRECTION_1LINE_TX, ACCELERO_CS_HIGH, ACCELERO_CS_LOW, SpiHandle, and SPIx_Write().

void AUDIO_IO_DeInit

(

void

)

Deinitializes Audio low level.

Return values:

None

Definition at line 1692 of file stm32l476g_discovery.c.

References I2C1_DeInit().

void AUDIO_IO_Delay

(

uint32_t

Delay

)

AUDIO Codec delay.

Parameters:

Delay,:

Delay in ms

Return values:

None

Definition at line 1748 of file stm32l476g_discovery.c.

void AUDIO_IO_Init

(

void

)

Initializes Audio low level.

Return values:

None

Definition at line 1658 of file stm32l476g_discovery.c.

References AUDIO_RESET_GPIO, AUDIO_RESET_GPIO_CLK_ENABLE, AUDIO_RESET_PIN, CODEC_AUDIO_POWER_OFF, CODEC_AUDIO_POWER_ON, and I2C1_Init().

uint8_t AUDIO_IO_Read	(	uint8_t	Addr,
		uint8_t	Reg
	)

Reads a single data.

Parameters:

Addr,:	I2C address
Reg,:	Reg address

Return values:

Data	to be read

Definition at line 1734 of file stm32l476g_discovery.c.

References I2C1_ReadBuffer().

void AUDIO_IO_Write	(	uint8_t	Addr,
		uint8_t	Reg,
		uint8_t	Value
	)

Writes a single data.

Parameters:

Addr,:	I2C address
Reg,:	Reg address
Value,:	Data to be written

Return values:

None

Definition at line 1723 of file stm32l476g_discovery.c.

References I2C1_WriteBuffer().

void GYRO_IO_DeInit

(

void

)

de-Configures GYRO SPI interface.

Return values:

None

Definition at line 1398 of file stm32l476g_discovery.c.

References GYRO_CS_GPIO_CLK_ENABLE, GYRO_CS_GPIO_PORT, GYRO_CS_HIGH, GYRO_CS_PIN, GYRO_INT1_GPIO_CLK_ENABLE, GYRO_INT1_GPIO_PORT, GYRO_INT1_PIN, GYRO_INT2_GPIO_CLK_ENABLE, GYRO_INT2_GPIO_PORT, GYRO_INT2_PIN, and SPIx_DeInit().

Referenced by BSP_GYRO_DeInit().

void GYRO_IO_Init

(

void

)

Configures the GYRO SPI interface.

Return values:

None

Definition at line 1334 of file stm32l476g_discovery.c.

References ACCELERO_CS_GPIO_CLK_ENABLE, ACCELERO_CS_GPIO_PORT, ACCELERO_CS_HIGH, ACCELERO_CS_PIN, GYRO_CS_GPIO_CLK_ENABLE, GYRO_CS_GPIO_PORT, GYRO_CS_HIGH, GYRO_CS_PIN, GYRO_INT1_GPIO_CLK_ENABLE, GYRO_INT1_GPIO_PORT, GYRO_INT1_PIN, GYRO_INT2_GPIO_CLK_ENABLE, GYRO_INT2_GPIO_PORT, GYRO_INT2_PIN, MAGNETO_CS_GPIO_CLK_ENABLE, MAGNETO_CS_GPIO_PORT, MAGNETO_CS_HIGH, MAGNETO_CS_PIN, and SPIx_Init().

void GYRO_IO_Read	(	uint8_t *	pBuffer,
		uint8_t	ReadAddr,
		uint16_t	NumByteToRead
	)

Reads a block of data from the GYROSCOPE.

Parameters:

pBuffer	: pointer to the buffer that receives the data read from the GYROSCOPE.
ReadAddr	: GYROSCOPE's internal address to read from.
NumByteToRead	: number of bytes to read from the GYROSCOPE.

Return values:

None

Definition at line 1467 of file stm32l476g_discovery.c.

References __SPI_DIRECTION_2LINES, GYRO_CS_HIGH, GYRO_CS_LOW, MULTIPLEBYTE_CMD, READWRITE_CMD, SpiHandle, and SPIx_WriteRead().

void GYRO_IO_Write	(	uint8_t *	pBuffer,
		uint8_t	WriteAddr,
		uint16_t	NumByteToWrite
	)

Writes one byte to the GYRO.

Parameters:

pBuffer	: pointer to the buffer containing the data to be written to the GYRO.
WriteAddr	: GYRO's internal address to write to.
NumByteToWrite,:	Number of bytes to write.

Return values:

None

Definition at line 1431 of file stm32l476g_discovery.c.

References __SPI_DIRECTION_2LINES, GYRO_CS_HIGH, GYRO_CS_LOW, MULTIPLEBYTE_CMD, SpiHandle, and SPIx_WriteRead().

static void I2C1_DeInit

(

void

)

[static]

Discovery I2C1 Bus Deitialization.

Return values:

None

Definition at line 825 of file stm32l476g_discovery.c.

References I2C1_MspDeInit(), and I2c1Handle.

Referenced by AUDIO_IO_DeInit().

static void I2C1_Error

(

void

)

[static]

Discovery I2C1 error treatment function.

Return values:

None

Definition at line 921 of file stm32l476g_discovery.c.

References I2C1_Init(), and I2c1Handle.

Referenced by I2C1_ReadBuffer(), and I2C1_WriteBuffer().

static void I2C1_Init

(

void

)

[static]

Discovery I2C1 Bus initialization.

Return values:

None

Definition at line 750 of file stm32l476g_discovery.c.

References DISCOVERY_I2C1, I2C1_MspInit(), and I2c1Handle.

Referenced by AUDIO_IO_Init(), and I2C1_Error().

static void I2C1_MspDeInit

(

I2C_HandleTypeDef *

hi2c

)

[static]

Discovery I2C1 MSP Deinitialization.

Parameters:

hi2c,:

I2C handle

Return values:

None

Definition at line 840 of file stm32l476g_discovery.c.

References DISCOVERY_I2C1, DISCOVERY_I2C1_CLK_DISABLE, DISCOVERY_I2C1_ER_IRQn, DISCOVERY_I2C1_EV_IRQn, DISCOVERY_I2C1_FORCE_RESET, DISCOVERY_I2C1_RELEASE_RESET, DISCOVERY_I2C1_SCL_GPIO_CLK_ENABLE, DISCOVERY_I2C1_SCL_GPIO_PORT, DISCOVERY_I2C1_SCL_PIN, DISCOVERY_I2C1_SDA_GPIO_CLK_ENABLE, and DISCOVERY_I2C1_SDA_PIN.

Referenced by I2C1_DeInit().

static void I2C1_MspInit

(

I2C_HandleTypeDef *

hi2c

)

[static]

Discovery I2C1 MSP Initialization.

Parameters:

hi2c,:

I2C handle

Return values:

None

Definition at line 774 of file stm32l476g_discovery.c.

References DISCOVERY_I2C1, DISCOVERY_I2C1_CLK_ENABLE, DISCOVERY_I2C1_ER_IRQn, DISCOVERY_I2C1_EV_IRQn, DISCOVERY_I2C1_FORCE_RESET, DISCOVERY_I2C1_RELEASE_RESET, DISCOVERY_I2C1_SCL_GPIO_CLK_ENABLE, DISCOVERY_I2C1_SCL_GPIO_PORT, DISCOVERY_I2C1_SCL_PIN, DISCOVERY_I2C1_SCL_SDA_AF, DISCOVERY_I2C1_SDA_GPIO_CLK_ENABLE, and DISCOVERY_I2C1_SDA_PIN.

Referenced by I2C1_Init().

static HAL_StatusTypeDef I2C1_ReadBuffer	(	uint16_t	Addr,
		uint16_t	Reg,
		uint16_t	RegSize,
		uint8_t *	pBuffer,
		uint16_t	Length
	)		[static]

Reads multiple data on the BUS.

Parameters:

Addr,:	I2C Address
Reg,:	Reg Address
RegSize	: The target register size (can be 8BIT or 16BIT)
pBuffer,:	pointer to read data buffer
Length,:	length of the data

Return values:

0	if no problems to read multiple data

Definition at line 902 of file stm32l476g_discovery.c.

References I2C1_Error(), I2c1Handle, and I2c1Timeout.

Referenced by AUDIO_IO_Read().

static HAL_StatusTypeDef I2C1_WriteBuffer	(	uint16_t	Addr,
		uint16_t	Reg,
		uint16_t	RegSize,
		uint8_t *	pBuffer,
		uint16_t	Length
	)		[static]

Write a value in a register of the device through BUS.

Parameters:

Addr,:	Device address on BUS Bus.
Reg,:	The target register address to write
RegSize,:	The target register size (can be 8BIT or 16BIT)
pBuffer,:	The target register value to be written
Length,:	buffer size to be written

Return values:

None

Definition at line 878 of file stm32l476g_discovery.c.

References I2C1_Error(), I2c1Handle, and I2c1Timeout.

Referenced by AUDIO_IO_Write().

static void I2C2_DeInit

(

void

)

[static]

Discovery I2C2 Bus Deinitialization.

Return values:

None

Definition at line 1005 of file stm32l476g_discovery.c.

References I2C2_MspDeInit(), and I2c2Handle.

Referenced by MFX_IO_DeInit().

static void I2C2_Error

(

void

)

[static]

Discovery I2C2 error treatment function.

Return values:

None

Definition at line 1146 of file stm32l476g_discovery.c.

References I2C2_Init(), and I2c2Handle.

Referenced by I2C2_ReadBuffer(), I2C2_ReadData(), I2C2_WriteBuffer(), and I2C2_WriteData().

static void I2C2_Init

(

void

)

[static]

Discovery I2C2 Bus initialization.

Return values:

None

Definition at line 934 of file stm32l476g_discovery.c.

References DISCOVERY_I2C2, I2C2_MspInit(), and I2c2Handle.

Referenced by I2C2_Error(), and MFX_IO_Init().

static void I2C2_MspDeInit

(

I2C_HandleTypeDef *

hi2c

)

[static]

Discovery I2C2 MSP DeInitialization.

Parameters:

hi2c,:

I2C2 handle

Return values:

None

Definition at line 1020 of file stm32l476g_discovery.c.

References DISCOVERY_I2C2, DISCOVERY_I2C2_CLK_DISABLE, DISCOVERY_I2C2_ER_IRQn, DISCOVERY_I2C2_EV_IRQn, DISCOVERY_I2C2_FORCE_RESET, DISCOVERY_I2C2_RELEASE_RESET, DISCOVERY_I2C2_SCL_GPIO_CLK_ENABLE, DISCOVERY_I2C2_SCL_GPIO_PORT, DISCOVERY_I2C2_SCL_PIN, DISCOVERY_I2C2_SDA_GPIO_CLK_ENABLE, and DISCOVERY_I2C2_SDA_PIN.

Referenced by I2C2_DeInit().

static void I2C2_MspInit

(

I2C_HandleTypeDef *

hi2c

)

[static]

Discovery I2C2 MSP Initialization.

Parameters:

hi2c,:

I2C2 handle

Return values:

None

Definition at line 958 of file stm32l476g_discovery.c.

References DISCOVERY_I2C2, DISCOVERY_I2C2_CLK_ENABLE, DISCOVERY_I2C2_ER_IRQn, DISCOVERY_I2C2_EV_IRQn, DISCOVERY_I2C2_FORCE_RESET, DISCOVERY_I2C2_RELEASE_RESET, DISCOVERY_I2C2_SCL_GPIO_CLK_ENABLE, DISCOVERY_I2C2_SCL_GPIO_PORT, DISCOVERY_I2C2_SCL_PIN, DISCOVERY_I2C2_SCL_SDA_AF, DISCOVERY_I2C2_SDA_GPIO_CLK_ENABLE, and DISCOVERY_I2C2_SDA_PIN.

Referenced by I2C2_Init().

static HAL_StatusTypeDef I2C2_ReadBuffer	(	uint16_t	Addr,
		uint16_t	Reg,
		uint16_t	RegSize,
		uint8_t *	pBuffer,
		uint16_t	Length
	)		[static]

Reads multiple data on the BUS.

Parameters:

Addr,:	I2C Address
Reg,:	Reg Address
RegSize	: The target register size (can be 8BIT or 16BIT)
pBuffer,:	pointer to read data buffer
Length,:	length of the data

Return values:

0	if no problems to read multiple data

Definition at line 1126 of file stm32l476g_discovery.c.

References I2C2_Error(), I2c2Handle, and I2c2Timeout.

Referenced by MFX_IO_ReadMultiple().

static uint8_t I2C2_ReadData	(	uint16_t	Addr,
		uint16_t	Reg,
		uint16_t	RegSize
	)		[static]

Read a register of the device through BUS.

Parameters:

Addr,:	Device address on BUS
Reg,:	The target register address to read
RegSize,:	The target register size (can be 8BIT or 16BIT)

Return values:

read	register value

Definition at line 1100 of file stm32l476g_discovery.c.

References I2C2_Error(), I2c2Handle, and I2c2Timeout.

Referenced by MFX_IO_Read().

static HAL_StatusTypeDef I2C2_WriteBuffer	(	uint16_t	Addr,
		uint16_t	Reg,
		uint16_t	RegSize,
		uint8_t *	pBuffer,
		uint16_t	Length
	)		[static]

Write a value in a register of the device through BUS.

Parameters:

Addr,:	Device address on BUS Bus.
Reg,:	The target register address to write
RegSize,:	The target register size (can be 8BIT or 16BIT)
pBuffer,:	The target register value to be written
Length,:	buffer size to be written

Return values:

None

Definition at line 1077 of file stm32l476g_discovery.c.

References I2C2_Error(), I2c2Handle, and I2c2Timeout.

Referenced by MFX_IO_WriteMultiple().

static void I2C2_WriteData	(	uint16_t	Addr,
		uint16_t	Reg,
		uint16_t	RegSize,
		uint8_t	Value
	)		[static]

Write a value in a register of the device through BUS.

Parameters:

Addr,:	Device address on BUS Bus.
Reg,:	The target register address to write
RegSize,:	The target register size (can be 8BIT or 16BIT)
Value,:	The target register value to be written

Return values:

None

Definition at line 1054 of file stm32l476g_discovery.c.

References I2C2_Error(), I2c2Handle, and I2c2Timeout.

Referenced by MFX_IO_Write().

void MAGNETO_IO_DeInit

(

void

)

de-Configures COMPASS/MAGNETO SPI interface.

Return values:

None

Definition at line 1275 of file stm32l476g_discovery.c.

References MAGNETO_CS_GPIO_CLK_ENABLE, MAGNETO_CS_GPIO_PORT, MAGNETO_CS_HIGH, MAGNETO_CS_PIN, MAGNETO_DRDY_PIN, MAGNETO_INT1_PIN, and SPIx_DeInit().

Referenced by BSP_COMPASS_DeInit().

void MAGNETO_IO_Init

(

void

)

Configures COMPASS/MAGNETO SPI interface.

Return values:

None

Definition at line 1253 of file stm32l476g_discovery.c.

References MAGNETO_CS_GPIO_CLK_ENABLE, MAGNETO_CS_GPIO_PORT, MAGNETO_CS_HIGH, MAGNETO_CS_PIN, and SPIx_Init().

uint8_t MAGNETO_IO_Read

(

uint8_t

RegisterAddr

)

Reads a block of data from the COMPASS/MAGNETO.

Parameters:

RegisterAddr

: specifies the COMPASS/MAGNETO internal address register to read from

Return values:

ACCELEROMETER

register value

Definition at line 1318 of file stm32l476g_discovery.c.

References __SPI_DIRECTION_1LINE_RX, __SPI_DIRECTION_1LINE_TX, MAGNETO_CS_HIGH, MAGNETO_CS_LOW, SpiHandle, SPIx_Read(), and SPIx_Write().

void MAGNETO_IO_Write	(	uint8_t	RegisterAddr,
		uint8_t	Value
	)

Writes one byte to the COMPASS/MAGNETO.

Parameters:

RegisterAddr	specifies the COMPASS/MAGNETO register to be written.
Value	: Data to be written

Return values:

None

Definition at line 1303 of file stm32l476g_discovery.c.

References __SPI_DIRECTION_1LINE_TX, MAGNETO_CS_HIGH, MAGNETO_CS_LOW, SpiHandle, and SPIx_Write().

void MFX_IO_DeInit

(

void

)

Deinitializes MFX low level.

Return values:

None

Definition at line 1512 of file stm32l476g_discovery.c.

References I2C2_DeInit(), IDD_INT_EXTI_IRQn, IDD_INT_GPIO_CLK_ENABLE, IDD_INT_GPIO_PORT, IDD_INT_PIN, IDD_WAKEUP_GPIO_CLK_ENABLE, IDD_WAKEUP_GPIO_PORT, and IDD_WAKEUP_PIN.

void MFX_IO_Delay

(

uint32_t

Delay

)

MFX delay.

Parameters:

Delay,:

Delay in ms

Return values:

None

Definition at line 1647 of file stm32l476g_discovery.c.

void MFX_IO_EnableWakeupPin

(

void

)

Configures MFX wke up pin.

Return values:

None

Definition at line 1562 of file stm32l476g_discovery.c.

References IDD_WAKEUP_GPIO_CLK_ENABLE, IDD_WAKEUP_GPIO_PORT, and IDD_WAKEUP_PIN.

void MFX_IO_Init

(

void

)

Initializes MFX low level.

Return values:

None

Definition at line 1503 of file stm32l476g_discovery.c.

References I2C2_Init().

void MFX_IO_ITConfig

(

void

)

Configures MFX low level interrupt.

Return values:

None

Definition at line 1539 of file stm32l476g_discovery.c.

References IDD_INT_EXTI_IRQn, IDD_INT_GPIO_CLK_ENABLE, IDD_INT_GPIO_PORT, and IDD_INT_PIN.

uint8_t MFX_IO_Read	(	uint16_t	Addr,
		uint8_t	Reg
	)

MFX reads single data.

Parameters:

Addr,:	I2C address
Reg,:	Register address

Return values:

Read

data

Definition at line 1611 of file stm32l476g_discovery.c.

References I2C2_ReadData().

uint16_t MFX_IO_ReadMultiple	(	uint16_t	Addr,
		uint8_t	Reg,
		uint8_t *	Buffer,
		uint16_t	Length
	)

MFX reads multiple data.

Parameters:

Addr,:	I2C address
Reg,:	Register address
Buffer,:	Pointer to data buffer
Length,:	Length of the data

Return values:

Number

of read data

Definition at line 1624 of file stm32l476g_discovery.c.

References I2C2_ReadBuffer().

void MFX_IO_Wakeup

(

void

)

Wakeup MFX.

Return values:

None

Definition at line 1581 of file stm32l476g_discovery.c.

References IDD_WAKEUP_GPIO_PORT, and IDD_WAKEUP_PIN.

void MFX_IO_Write	(	uint16_t	Addr,
		uint8_t	Reg,
		uint8_t	Value
	)

MFX writes single data.

Parameters:

Addr,:	I2C address
Reg,:	Register address
Value,:	Data to be written

Return values:

None

Definition at line 1600 of file stm32l476g_discovery.c.

References I2C2_WriteData().

void MFX_IO_WriteMultiple	(	uint16_t	Addr,
		uint8_t	Reg,
		uint8_t *	Buffer,
		uint16_t	Length
	)

MFX writes multiple data.

Parameters:

Addr,:	I2C address
Reg,:	Register address
Buffer,:	Pointer to data buffer
Length,:	Length of the data

Return values:

None

Definition at line 1637 of file stm32l476g_discovery.c.

References I2C2_WriteBuffer().

void SPIx_DeInit

(

void

)

[static]

SPIx Bus Deinitialization.

Return values:

None

Definition at line 627 of file stm32l476g_discovery.c.

References SpiHandle, and SPIx_MspDeInit().

Referenced by ACCELERO_IO_DeInit(), GYRO_IO_DeInit(), and MAGNETO_IO_DeInit().

static void SPIx_Init

(

void

)

[static]

SPIx Bus initialization.

Return values:

None

Definition at line 571 of file stm32l476g_discovery.c.

References DISCOVERY_SPIx, SpiHandle, and SPIx_MspInit().

Referenced by ACCELERO_IO_Init(), GYRO_IO_Init(), and MAGNETO_IO_Init().

static void SPIx_MspDeInit

(

void

)

[static]

SPI MSP DeInit.

Return values:

None

Definition at line 641 of file stm32l476g_discovery.c.

References DISCOVERY_SPIx_CLOCK_DISABLE, DISCOVERY_SPIx_GPIO_CLK_ENABLE, DISCOVERY_SPIx_GPIO_FORCE_RESET, DISCOVERY_SPIx_GPIO_PORT, DISCOVERY_SPIx_GPIO_RELEASE_RESET, DISCOVERY_SPIx_MISO_PIN, DISCOVERY_SPIx_MOSI_PIN, and DISCOVERY_SPIx_SCK_PIN.

Referenced by SPIx_DeInit().

static void SPIx_MspInit

(

SPI_HandleTypeDef *

hspi

)

[static]

SPI MSP Init.

Parameters:

hspi,:

SPI handle

Return values:

None

Definition at line 604 of file stm32l476g_discovery.c.

References DISCOVERY_SPIx_AF, DISCOVERY_SPIx_CLOCK_ENABLE, DISCOVERY_SPIx_GPIO_CLK_ENABLE, DISCOVERY_SPIx_GPIO_PORT, DISCOVERY_SPIx_MISO_PIN, DISCOVERY_SPIx_MOSI_PIN, and DISCOVERY_SPIx_SCK_PIN.

Referenced by SPIx_Init().

static uint8_t SPIx_Read

(

void

)

[static]

Receives a Byte from the SPI bus.

Return values:

The	received byte value

Definition at line 716 of file stm32l476g_discovery.c.

References SpiHandle.

Referenced by ACCELERO_IO_Read(), and MAGNETO_IO_Read().

static void SPIx_Write

(

uint8_t

Byte

)

[static]

Sends a Byte through the SPI interface.

Parameters:

Byte	: Byte to send.

Return values:

none.

Definition at line 692 of file stm32l476g_discovery.c.

References SpiHandle.

Referenced by ACCELERO_IO_Read(), ACCELERO_IO_Write(), MAGNETO_IO_Read(), and MAGNETO_IO_Write().

static uint8_t SPIx_WriteRead

(

uint8_t

Byte

)

[static]

Sends a Byte through the SPI interface and return the Byte received from the SPI bus.

Parameters:

Byte	: Byte send.

Return values:

none.

Definition at line 662 of file stm32l476g_discovery.c.

References SpiHandle.

Referenced by GYRO_IO_Read(), and GYRO_IO_Write().