ST / BSP_DISCO_L4R9I

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Dependents:   DISCO_L4R9I-LCD-demo

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Private Functions
Functions

Private Functions
[STM32L4R9I_DISCOVERY Common]

Functions

static void I2C1_Init (uint32_t user)
 Discovery I2C1 Bus initialization.
static void I2C1_MspInit (I2C_HandleTypeDef *hi2c)
 Discovery I2C1 MSP Initialization.
void I2C1_DeInit (uint32_t user)
 Discovery I2C1 Bus Deinitialization.
static void I2C1_MspDeInit (I2C_HandleTypeDef *hi2c)
 Discovery I2C1 MSP DeInitialization.
static void I2C1_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 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 uint8_t I2C1_ReadData (uint16_t Addr, uint16_t Reg, uint16_t RegSize)
 Read a register of the device through BUS.
static uint8_t I2C1_isDeviceReady (uint16_t Addr, uint32_t Trials)
 Checks if target device is ready for communication.
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 HAL_StatusTypeDef I2C1_ReadMultiple (uint8_t Addr, uint16_t Reg, uint16_t MemAddress, uint8_t *Buffer, uint16_t Length)
 Reads multiple data.
static HAL_StatusTypeDef I2C1_WriteMultiple (uint8_t Addr, uint16_t Reg, uint16_t MemAddress, uint8_t *Buffer, uint16_t Length)
 Writes a value in a register of the device through BUS.
void MFX_IO_Init (void)
 iobus prototypes (they should be defined in common/stm32_iobus.h)
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.
void TS_IO_Init (void)
 Initializes Touchscreen low level.
void TS_IO_Write (uint8_t Addr, uint8_t Reg, uint8_t Value)
 Writes a single data.
uint8_t TS_IO_Read (uint8_t Addr, uint8_t Reg)
 Reads a single data.
uint16_t TS_IO_ReadMultiple (uint8_t Addr, uint8_t Reg, uint8_t *Buffer, uint16_t Length)
 Reads multiple data with I2C communication channel from TouchScreen.
void TS_IO_WriteMultiple (uint8_t Addr, uint8_t Reg, uint8_t *Buffer, uint16_t Length)
 Writes multiple data with I2C communication channel from MCU to TouchScreen.
void TS_IO_Delay (uint32_t Delay)
 Delay function used in TouchScreen low level driver.
void CAMERA_IO_Init (void)
 Initializes Camera low level.
void CAMERA_IO_Write (uint8_t Addr, uint8_t Reg, uint8_t Value)
 Camera writes single data.
uint8_t CAMERA_IO_Read (uint8_t Addr, uint8_t Reg)
 Camera reads single data.
void CAMERA_Delay (uint32_t Delay)
 Camera delay.

Function Documentation

void AUDIO_IO_DeInit ( void   )

Deinitializes Audio low level.

Return values:
None

Definition at line 1124 of file stm32l4r9i_discovery.c.

void AUDIO_IO_Delay ( uint32_t  Delay )

AUDIO Codec delay.

Parameters:
Delay,:Delay in ms
Return values:
None

Definition at line 1186 of file stm32l4r9i_discovery.c.

void AUDIO_IO_Init ( void   )

Initializes Audio low level.

Return values:
None

Definition at line 1085 of file stm32l4r9i_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 1172 of file stm32l4r9i_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 1161 of file stm32l4r9i_discovery.c.

void CAMERA_Delay ( uint32_t  Delay )

Camera delay.

Parameters:
Delay,:Delay in ms
Return values:
None

Definition at line 1309 of file stm32l4r9i_discovery.c.

void CAMERA_IO_Init ( void   )

Initializes Camera low level.

Return values:
None

Definition at line 1272 of file stm32l4r9i_discovery.c.

uint8_t CAMERA_IO_Read ( uint8_t  Addr,
uint8_t  Reg 
)

Camera reads single data.

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

Definition at line 1295 of file stm32l4r9i_discovery.c.

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

Camera writes single data.

Parameters:
Addr,:I2C address
Reg,:Register address
Value,:Data to be written
Return values:
None

Definition at line 1284 of file stm32l4r9i_discovery.c.

void I2C1_DeInit ( uint32_t  user )

Discovery I2C1 Bus Deinitialization.

Return values:
None

Definition at line 597 of file stm32l4r9i_discovery.c.

static void I2C1_Error ( void   ) [static]

Discovery I2C1 error treatment function.

Return values:
None

Definition at line 823 of file stm32l4r9i_discovery.c.

static void I2C1_Init ( uint32_t  user ) [static]

Discovery I2C1 Bus initialization.

Return values:
None

Definition at line 513 of file stm32l4r9i_discovery.c.

static uint8_t I2C1_isDeviceReady ( uint16_t  Addr,
uint32_t  Trials 
) [static]

Checks if target device is ready for communication.

Note:
This function is used with Memory devices
Parameters:
Addr,:Target device address
Trials,:Number of trials
Return values:
HALstatus

Definition at line 758 of file stm32l4r9i_discovery.c.

static void I2C1_MspDeInit ( I2C_HandleTypeDef *  hi2c ) [static]

Discovery I2C1 MSP DeInitialization.

Parameters:
hi2c,:I2C1 handle
Return values:
None

Definition at line 620 of file stm32l4r9i_discovery.c.

static void I2C1_MspInit ( I2C_HandleTypeDef *  hi2c ) [static]

Discovery I2C1 MSP Initialization.

Parameters:
hi2c,:I2C1 handle
Return values:
None

Definition at line 545 of file stm32l4r9i_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 793 of file stm32l4r9i_discovery.c.

static uint8_t I2C1_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 724 of file stm32l4r9i_discovery.c.

static HAL_StatusTypeDef I2C1_ReadMultiple ( uint8_t  Addr,
uint16_t  Reg,
uint16_t  MemAddress,
uint8_t *  Buffer,
uint16_t  Length 
) [static]

Reads multiple data.

Parameters:
Addr,:I2C address
Reg,:Reg address
MemAddress,:Memory address
Buffer,:Pointer to data buffer
Length,:Length of the data
Return values:
HALstatus

Definition at line 846 of file stm32l4r9i_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 691 of file stm32l4r9i_discovery.c.

static void I2C1_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 658 of file stm32l4r9i_discovery.c.

static HAL_StatusTypeDef I2C1_WriteMultiple ( uint8_t  Addr,
uint16_t  Reg,
uint16_t  MemAddress,
uint8_t *  Buffer,
uint16_t  Length 
) [static]

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

Parameters:
Addr,:Device address on BUS Bus.
Reg,:The target register address to write
MemAddress,:Memory address
Buffer,:The target register value to be written
Length,:buffer size to be written
Return values:
HALstatus

Definition at line 884 of file stm32l4r9i_discovery.c.

void MFX_IO_DeInit ( void   )

Deinitializes MFX low level.

Return values:
None

Definition at line 939 of file stm32l4r9i_discovery.c.

void MFX_IO_Delay ( uint32_t  Delay )

MFX delay.

Parameters:
Delay,:Delay in ms
Return values:
None

Definition at line 1074 of file stm32l4r9i_discovery.c.

void MFX_IO_EnableWakeupPin ( void   )

Configures MFX wke up pin.

Return values:
None

Definition at line 989 of file stm32l4r9i_discovery.c.

void MFX_IO_Init ( void   )

iobus prototypes (they should be defined in common/stm32_iobus.h)

Initializes MFX low level.

Return values:
Noneiobus prototypes (they should be defined in common/stm32_iobus.h)
None

Definition at line 924 of file stm32l4r9i_discovery.c.

void MFX_IO_ITConfig ( void   )

Configures MFX low level interrupt.

Return values:
None

Definition at line 966 of file stm32l4r9i_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 1038 of file stm32l4r9i_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 1051 of file stm32l4r9i_discovery.c.

void MFX_IO_Wakeup ( void   )

Wakeup MFX.

Return values:
None

Definition at line 1008 of file stm32l4r9i_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 1027 of file stm32l4r9i_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 1064 of file stm32l4r9i_discovery.c.

void TS_IO_Delay ( uint32_t  Delay )

Delay function used in TouchScreen low level driver.

Parameters:
Delay,:Delay in ms
Return values:
None

Definition at line 1261 of file stm32l4r9i_discovery.c.

void TS_IO_Init ( void   )

Initializes Touchscreen low level.

Return values:
None

Definition at line 1200 of file stm32l4r9i_discovery.c.

uint8_t TS_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 1223 of file stm32l4r9i_discovery.c.

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

Reads multiple data with I2C communication channel from TouchScreen.

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 1237 of file stm32l4r9i_discovery.c.

void TS_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 1212 of file stm32l4r9i_discovery.c.

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

Writes multiple data with I2C communication channel from MCU to TouchScreen.

Parameters:
Addr,:I2C address
Reg,:Register address
Buffer,:Pointer to data buffer
Length,:Length of the data
Return values:
None

Definition at line 1251 of file stm32l4r9i_discovery.c.

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