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Bus Operations Functions
Functions

Bus Operations Functions
[STM32L476G-DISCOVERY Common]

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.

void ACCELERO_IO_Init ( void   )

Configures COMPASS/ACCELEROMETER io interface.

Return values:
None

Definition at line 1166 of file stm32l476g_discovery.c.

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:
ACCELEROMETERregister value

Definition at line 1236 of file stm32l476g_discovery.c.

void ACCELERO_IO_Write ( uint8_t  RegisterAddr,
uint8_t  Value 
)

Writes one byte to the COMPASS / ACCELEROMETER.

Parameters:
RegisterAddrspecifies the COMPASS / ACCELEROMETER register to be written.
Value: Data to be written
Return values:
None

Definition at line 1221 of file stm32l476g_discovery.c.

void AUDIO_IO_DeInit ( void   )

Deinitializes Audio low level.

Return values:
None

Definition at line 1692 of file stm32l476g_discovery.c.

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.

uint8_t AUDIO_IO_Read ( uint8_t  Addr,
uint8_t  Reg 
)

Reads a single data.

Parameters:
Addr,:I2C address
Reg,:Reg address
Return values:
Datato be read

Definition at line 1734 of file stm32l476g_discovery.c.

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.

void GYRO_IO_DeInit ( void   )

de-Configures GYRO SPI interface.

Return values:
None

Definition at line 1398 of file stm32l476g_discovery.c.

void GYRO_IO_Init ( void   )

Configures the GYRO SPI interface.

Return values:
None

Definition at line 1334 of file stm32l476g_discovery.c.

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.

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.

static void I2C1_DeInit ( void   ) [static]

Discovery I2C1 Bus Deitialization.

Return values:
None

Definition at line 825 of file stm32l476g_discovery.c.

static void I2C1_Error ( void   ) [static]

Discovery I2C1 error treatment function.

Return values:
None

Definition at line 921 of file stm32l476g_discovery.c.

static void I2C1_Init ( void   ) [static]

Discovery I2C1 Bus initialization.

Return values:
None

Definition at line 750 of file stm32l476g_discovery.c.

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.

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.

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:
0if no problems to read multiple data

Definition at line 902 of file stm32l476g_discovery.c.

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.

static void I2C2_DeInit ( void   ) [static]

Discovery I2C2 Bus Deinitialization.

Return values:
None

Definition at line 1005 of file stm32l476g_discovery.c.

static void I2C2_Error ( void   ) [static]

Discovery I2C2 error treatment function.

Return values:
None

Definition at line 1146 of file stm32l476g_discovery.c.

static void I2C2_Init ( void   ) [static]

Discovery I2C2 Bus initialization.

Return values:
None

Definition at line 934 of file stm32l476g_discovery.c.

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.

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.

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:
0if no problems to read multiple data

Definition at line 1126 of file stm32l476g_discovery.c.

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:
readregister value

Definition at line 1100 of file stm32l476g_discovery.c.

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.

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.

void MAGNETO_IO_DeInit ( void   )

de-Configures COMPASS/MAGNETO SPI interface.

Return values:
None

Definition at line 1275 of file stm32l476g_discovery.c.

void MAGNETO_IO_Init ( void   )

Configures COMPASS/MAGNETO SPI interface.

Return values:
None

Definition at line 1253 of file stm32l476g_discovery.c.

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:
ACCELEROMETERregister value

Definition at line 1318 of file stm32l476g_discovery.c.

void MAGNETO_IO_Write ( uint8_t  RegisterAddr,
uint8_t  Value 
)

Writes one byte to the COMPASS/MAGNETO.

Parameters:
RegisterAddrspecifies the COMPASS/MAGNETO register to be written.
Value: Data to be written
Return values:
None

Definition at line 1303 of file stm32l476g_discovery.c.

void MFX_IO_DeInit ( void   )

Deinitializes MFX low level.

Return values:
None

Definition at line 1512 of file stm32l476g_discovery.c.

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.

void MFX_IO_Init ( void   )

Initializes MFX low level.

Return values:
None

Definition at line 1503 of file stm32l476g_discovery.c.

void MFX_IO_ITConfig ( void   )

Configures MFX low level interrupt.

Return values:
None

Definition at line 1539 of file stm32l476g_discovery.c.

uint8_t MFX_IO_Read ( uint16_t  Addr,
uint8_t  Reg 
)

MFX reads single data.

Parameters:
Addr,:I2C address
Reg,:Register address
Return values:
Readdata

Definition at line 1611 of file stm32l476g_discovery.c.

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:
Numberof read data

Definition at line 1624 of file stm32l476g_discovery.c.

void MFX_IO_Wakeup ( void   )

Wakeup MFX.

Return values:
None

Definition at line 1581 of file stm32l476g_discovery.c.

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.

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.

void SPIx_DeInit ( void   ) [static]

SPIx Bus Deinitialization.

Return values:
None

Definition at line 627 of file stm32l476g_discovery.c.

static void SPIx_Init ( void   ) [static]

SPIx Bus initialization.

Return values:
None

Definition at line 571 of file stm32l476g_discovery.c.

static void SPIx_MspDeInit ( void   ) [static]

SPI MSP DeInit.

Return values:
None

Definition at line 641 of file stm32l476g_discovery.c.

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.

static uint8_t SPIx_Read ( void   ) [static]

Receives a Byte from the SPI bus.

Return values:
Thereceived byte value

Definition at line 716 of file stm32l476g_discovery.c.

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.

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.

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