STM32F769I-Discovery BSP User Manual: STM32F769I_DISCOVERY LOW LEVEL

STM32F769I-Discovery BSP Drivers

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STM32F769I-Discovery BSP User Manual
Modules | Functions
STM32F769I_DISCOVERY LOW LEVEL
STM32F769I_DISCOVERY

Modules

 STM32F769I Discovery Low Level Private Typedef
 LOW_LEVEL Private Defines
 LOW_LEVEL Private Macros
 LOW_LEVEL Private Variables
 LOW_LEVEL Private FunctionPrototypes
 BSP Public Functions
 STM32F769I_DISCOVERY_LOW_LEVEL Private Functions
 STM32F769I Discovery Low Level Exported Types

Functions

void AUDIO_IO_Write (uint8_t Addr, uint16_t Reg, uint16_t Value)
 Writes a single data.
uint16_t AUDIO_IO_Read (uint8_t Addr, uint16_t Reg)
 Reads a single data.
void AUDIO_IO_Delay (uint32_t Delay)
 AUDIO Codec delay.
HAL_StatusTypeDef EEPROM_IO_WriteData (uint16_t DevAddress, uint16_t MemAddress, uint8_t *pBuffer, uint32_t BufferSize)
 Write data to I2C EEPROM driver in using DMA channel.
HAL_StatusTypeDef EEPROM_IO_ReadData (uint16_t DevAddress, uint16_t MemAddress, uint8_t *pBuffer, uint32_t BufferSize)
 Read data from I2C EEPROM driver in using DMA channel.
HAL_StatusTypeDef EEPROM_IO_IsDeviceReady (uint16_t DevAddress, uint32_t Trials)
 Checks if target device is ready for communication.
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 OTM8009A_IO_Delay (uint32_t Delay)
 OTM8009A delay.
void HDMI_IO_Init (void)
 Initializes HDMI IO low level.
void HDMI_IO_Write (uint8_t Addr, uint8_t Reg, uint8_t Value)
 HDMI writes single data.
uint8_t HDMI_IO_Read (uint8_t Addr, uint8_t Reg)
 Reads single data with I2C communication channel from HDMI bridge.
void HDMI_IO_Delay (uint32_t Delay)
 HDMI delay.

Function Documentation

void AUDIO_IO_Delay ( uint32_t  Delay)

AUDIO Codec delay.

Parameters:
Delay,:Delay in ms

Definition at line 611 of file stm32f769i_discovery.c.

uint16_t AUDIO_IO_Read ( uint8_t  Addr,
uint16_t  Reg 
)

Reads a single data.

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

Definition at line 592 of file stm32f769i_discovery.c.

References hI2cAudioHandler, and I2Cx_ReadMultiple().

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

Writes a single data.

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

Definition at line 575 of file stm32f769i_discovery.c.

References hI2cAudioHandler, and I2Cx_WriteMultiple().

HAL_StatusTypeDef EEPROM_IO_IsDeviceReady ( uint16_t  DevAddress,
uint32_t  Trials 
)

Checks if target device is ready for communication.

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

Definition at line 659 of file stm32f769i_discovery.c.

References hI2cExtHandler, and I2Cx_IsDeviceReady().

Referenced by BSP_EEPROM_Init(), and BSP_EEPROM_WaitEepromStandbyState().

HAL_StatusTypeDef EEPROM_IO_ReadData ( uint16_t  DevAddress,
uint16_t  MemAddress,
uint8_t *  pBuffer,
uint32_t  BufferSize 
)

Read data from I2C EEPROM driver in using DMA channel.

Parameters:
DevAddress,:Target device address
MemAddress,:Internal memory address
pBuffer,:Pointer to data buffer
BufferSize,:Amount of data to be read
Return values:
HALstatus

Definition at line 647 of file stm32f769i_discovery.c.

References hI2cExtHandler, and I2Cx_ReadMultiple().

Referenced by BSP_EEPROM_ReadBuffer().

HAL_StatusTypeDef EEPROM_IO_WriteData ( uint16_t  DevAddress,
uint16_t  MemAddress,
uint8_t *  pBuffer,
uint32_t  BufferSize 
)

Write data to I2C EEPROM driver in using DMA channel.

Parameters:
DevAddress,:Target device address
MemAddress,:Internal memory address
pBuffer,:Pointer to data buffer
BufferSize,:Amount of data to be sent
Return values:
HALstatus

Definition at line 634 of file stm32f769i_discovery.c.

References hI2cExtHandler, and I2Cx_WriteMultiple().

Referenced by BSP_EEPROM_WritePage().

void HDMI_IO_Delay ( uint32_t  Delay)

HDMI delay.

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

Definition at line 793 of file stm32f769i_discovery.c.

Referenced by LCD_IO_GetID().

void HDMI_IO_Init ( void  )

Initializes HDMI IO low level.

Return values:
None

Definition at line 755 of file stm32f769i_discovery.c.

References hI2cAudioHandler, and I2Cx_Init().

Referenced by LCD_IO_GetID().

uint8_t HDMI_IO_Read ( uint8_t  Addr,
uint8_t  Reg 
)

Reads single data with I2C communication channel from HDMI bridge.

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

Definition at line 779 of file stm32f769i_discovery.c.

References hI2cAudioHandler, and I2Cx_ReadMultiple().

Referenced by LCD_IO_GetID().

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

HDMI writes single data.

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

Definition at line 767 of file stm32f769i_discovery.c.

References hI2cAudioHandler, and I2Cx_WriteMultiple().

void OTM8009A_IO_Delay ( uint32_t  Delay)

OTM8009A delay.

Parameters:
Delay,:Delay in ms

Definition at line 745 of file stm32f769i_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 735 of file stm32f769i_discovery.c.

void TS_IO_Init ( void  )

Initializes Touchscreen low level.

Return values:
None

Definition at line 670 of file stm32f769i_discovery.c.

References hI2cAudioHandler, and I2Cx_Init().

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 693 of file stm32f769i_discovery.c.

References hI2cAudioHandler, and I2Cx_ReadMultiple().

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 711 of file stm32f769i_discovery.c.

References hI2cAudioHandler, and I2Cx_ReadMultiple().

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 682 of file stm32f769i_discovery.c.

References hI2cAudioHandler, and I2Cx_WriteMultiple().

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 725 of file stm32f769i_discovery.c.

References hI2cAudioHandler, and I2Cx_WriteMultiple().

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