ST
BSP files for STM32H747I-Discovery Copy from ST Cube delivery
Dependents: DISCO_H747I_LCD_demo DISCO_H747I_AUDIO_demo
Private Functions
[STM32H747I_DISCOVERY_LOW_LEVEL]
Functions | |
| static void | I2Cx_MspInit (void) |
| Initializes I2C MSP. | |
| static void | I2Cx_Init (void) |
| Initializes I2C HAL. | |
| static void | I2Cx_Write (uint8_t Addr, uint8_t Reg, uint8_t Value) |
| Writes a single data. | |
| static uint8_t | I2Cx_Read (uint8_t Addr, uint8_t Reg) |
| Reads a single data. | |
| static HAL_StatusTypeDef | I2Cx_ReadMultiple (uint8_t Addr, uint16_t Reg, uint16_t MemAddress, uint8_t *Buffer, uint16_t Length) |
| Reads multiple data. | |
| static HAL_StatusTypeDef | I2Cx_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 in using DMA mode. | |
| static HAL_StatusTypeDef | I2Cx_IsDeviceReady (uint16_t DevAddress, uint32_t Trials) |
| Checks if target device is ready for communication. | |
| static void | I2Cx_Error (uint8_t Addr) |
| Manages error callback by re-initializing I2C. | |
| void | AUDIO_IO_Init (void) |
| Initializes Audio low level. | |
| void | AUDIO_IO_DeInit (void) |
| De-Initializes Audio low level. | |
| void | AUDIO_IO_Write (uint8_t Addr, uint16_t Reg, uint16_t Value) |
| Writes a single data. | |
| uint8_t | AUDIO_IO_Read (uint8_t Addr, uint16_t Reg) |
| Reads a single data. | |
| void | AUDIO_IO_Delay (uint32_t Delay) |
| AUDIO Codec delay. | |
| void | CAMERA_IO_Init (void) |
| Initializes Camera low level. | |
| void | CAMERA_IO_Write (uint8_t Addr, uint16_t Reg, uint16_t Value) |
| Camera writes single data. | |
| uint16_t | CAMERA_IO_Read (uint8_t Addr, uint16_t Reg) |
| Camera reads single data. | |
| void | CAMERA_Delay (uint32_t Delay) |
| Camera delay. | |
| void | EEPROM_IO_Init (void) |
| Initializes peripherals used by the I2C EEPROM driver. | |
| 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_Write (uint8_t Addr, uint8_t Reg, uint8_t Value) |
| Writes single data with I2C communication channel from MCU to TouchScreen. | |
| uint8_t | TS_IO_Read (uint8_t Addr, uint8_t Reg) |
| Reads single data with I2C communication channel from TouchScreen. | |
| 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_DeInit | ( | void | ) |
De-Initializes Audio low level.
- Return values:
-
None
Definition at line 736 of file stm32h747i_discovery.c.
| void AUDIO_IO_Delay | ( | uint32_t | Delay ) |
AUDIO Codec delay.
- Parameters:
-
Delay,: Delay in ms
- Return values:
-
None
Definition at line 784 of file stm32h747i_discovery.c.
| void AUDIO_IO_Init | ( | void | ) |
Initializes Audio low level.
- Return values:
-
None
Definition at line 727 of file stm32h747i_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:
-
Data to be read
Definition at line 764 of file stm32h747i_discovery.c.
| 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 747 of file stm32h747i_discovery.c.
| void CAMERA_Delay | ( | uint32_t | Delay ) |
Camera delay.
- Parameters:
-
Delay,: Delay in ms
- Return values:
-
None
Definition at line 836 of file stm32h747i_discovery.c.
| void CAMERA_IO_Init | ( | void | ) |
Initializes Camera low level.
- Return values:
-
None
Definition at line 795 of file stm32h747i_discovery.c.
| uint16_t CAMERA_IO_Read | ( | uint8_t | Addr, |
| uint16_t | Reg | ||
| ) |
Camera reads single data.
- Parameters:
-
Addr,: I2C address Reg,: Register address
- Return values:
-
Read data
Definition at line 820 of file stm32h747i_discovery.c.
| void CAMERA_IO_Write | ( | uint8_t | Addr, |
| uint16_t | Reg, | ||
| uint16_t | Value | ||
| ) |
Camera writes single data.
- Parameters:
-
Addr,: I2C address Reg,: Register address Value,: Data to be written
- Return values:
-
None
Definition at line 807 of file stm32h747i_discovery.c.
| void EEPROM_IO_Init | ( | void | ) |
Initializes peripherals used by the I2C EEPROM driver.
- Return values:
-
None
Definition at line 847 of file stm32h747i_discovery.c.
| 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:
-
HAL status
Definition at line 885 of file stm32h747i_discovery.c.
| 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:
-
HAL status
Definition at line 873 of file stm32h747i_discovery.c.
| 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:
-
HAL status
Definition at line 860 of file stm32h747i_discovery.c.
| void HDMI_IO_Delay | ( | uint32_t | Delay ) |
HDMI delay.
- Parameters:
-
Delay,: Delay in ms
- Return values:
-
None
Definition at line 1013 of file stm32h747i_discovery.c.
| void HDMI_IO_Init | ( | void | ) |
Initializes HDMI IO low level.
- Return values:
-
None
Definition at line 979 of file stm32h747i_discovery.c.
| 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:
-
Read data
Definition at line 1003 of file stm32h747i_discovery.c.
| 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 991 of file stm32h747i_discovery.c.
| static void I2Cx_Error | ( | uint8_t | Addr ) | [static] |
Manages error callback by re-initializing I2C.
- Parameters:
-
Addr,: I2C Address
- Return values:
-
None
Definition at line 701 of file stm32h747i_discovery.c.
| static void I2Cx_Init | ( | void | ) | [static] |
| static HAL_StatusTypeDef I2Cx_IsDeviceReady | ( | uint16_t | DevAddress, |
| uint32_t | Trials | ||
| ) | [static] |
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:
-
HAL status
Definition at line 677 of file stm32h747i_discovery.c.
| static void I2Cx_MspInit | ( | void | ) | [static] |
| static uint8_t I2Cx_Read | ( | uint8_t | Addr, |
| uint8_t | Reg | ||
| ) | [static] |
Reads a single data.
- Parameters:
-
Addr,: I2C address Reg,: Register address
- Return values:
-
Read data
Definition at line 576 of file stm32h747i_discovery.c.
| static HAL_StatusTypeDef I2Cx_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:
-
HAL status
Definition at line 611 of file stm32h747i_discovery.c.
| static void I2Cx_Write | ( | uint8_t | Addr, |
| uint8_t | Reg, | ||
| uint8_t | Value | ||
| ) | [static] |
Writes a single data.
- Parameters:
-
Addr,: I2C address Reg,: Register address Value,: Data to be written
- Return values:
-
None
Definition at line 546 of file stm32h747i_discovery.c.
| static HAL_StatusTypeDef I2Cx_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 in using DMA mode.
- 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:
-
HAL status
Definition at line 645 of file stm32h747i_discovery.c.
| void OTM8009A_IO_Delay | ( | uint32_t | Delay ) |
OTM8009A delay.
- Parameters:
-
Delay,: Delay in ms
Definition at line 968 of file stm32h747i_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 958 of file stm32h747i_discovery.c.
| uint8_t TS_IO_Read | ( | uint8_t | Addr, |
| uint8_t | Reg | ||
| ) |
Reads single data with I2C communication channel from TouchScreen.
- Parameters:
-
Addr,: I2C address Reg,: Register address
- Return values:
-
Read data
Definition at line 920 of file stm32h747i_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:
-
Number of read data
Definition at line 934 of file stm32h747i_discovery.c.
| void TS_IO_Write | ( | uint8_t | Addr, |
| uint8_t | Reg, | ||
| uint8_t | Value | ||
| ) |
Writes single data with I2C communication channel from MCU to TouchScreen.
- Parameters:
-
Addr,: I2C address Reg,: Register address Value,: Data to be written
Definition at line 908 of file stm32h747i_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 948 of file stm32h747i_discovery.c.
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