Link Operation functions

Functions
void	LCD_IO_Init (void)
	Configures the LCD_SPI interface.
void	LCD_IO_WriteMultipleData (uint8_t *pData, uint32_t Size)
	Write register value.
void	LCD_IO_WriteReg (uint8_t Reg)
	register address.
uint16_t	LCD_IO_ReadData (uint16_t Reg)
	Read register value.
void	LCD_Delay (uint32_t Delay)
	Wait for loop in ms.
void	SD_IO_Init (void)
	Initializes the SD Card and put it into StandBy State (Ready for data transfer).
void	SD_IO_WriteByte (uint8_t Data)
	Write a byte on the SD.
uint8_t	SD_IO_ReadByte (void)
	Read a byte from the SD.
HAL_StatusTypeDef	SD_IO_WriteCmd (uint8_t Cmd, uint32_t Arg, uint8_t Crc, uint8_t Response)
	Send 5 bytes command to the SD card and get response.
HAL_StatusTypeDef	SD_IO_WaitResponse (uint8_t Response)
	Wait response from the SD card.
void	SD_IO_WriteDummy (void)
	Send dummy byte with CS High.
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.
HAL_StatusTypeDef	EEPROM_IO_ReadData (uint16_t DevAddress, uint16_t MemAddress, uint8_t *pBuffer, uint32_t BufferSize)
	Read data from I2C EEPROM driver.
HAL_StatusTypeDef	EEPROM_IO_IsDeviceReady (uint16_t DevAddress, uint32_t Trials)
	Checks if target device is ready for communication.
void	TSENSOR_IO_Init (void)
	Initializes peripherals used by the I2C Temperature Sensor driver.
void	TSENSOR_IO_Write (uint16_t DevAddress, uint8_t *pBuffer, uint8_t WriteAddr, uint16_t Length)
	Writes one byte to the TSENSOR.
void	TSENSOR_IO_Read (uint16_t DevAddress, uint8_t *pBuffer, uint8_t ReadAddr, uint16_t Length)
	Reads one byte from the TSENSOR.
uint16_t	TSENSOR_IO_IsDeviceReady (uint16_t DevAddress, uint32_t Trials)
	Checks if Temperature Sensor is ready for communication.
void	AUDIO_IO_Init (void)
	Initializes peripherals used by the Audio Codec driver.
void	AUDIO_IO_DeInit (void)
	DeInitializes Audio low level.
void	AUDIO_IO_Write (uint16_t DevAddress, uint8_t Reg, uint8_t Value)
	Writes a single data on the Audio Codec.
uint8_t	AUDIO_IO_Read (uint16_t DevAddress, uint8_t Reg)
	Reads a single data from the Audio Codec.
void	HDMI_CEC_IO_Init (void)
	Initializes CEC low level.
HAL_StatusTypeDef	HDMI_CEC_IO_WriteData (uint8_t *pBuffer, uint16_t BufferSize)
	Write data to I2C HDMI CEC driver.
HAL_StatusTypeDef	HDMI_CEC_IO_ReadData (uint16_t DevAddress, uint8_t *pBuffer, uint16_t BufferSize)
	Read data to I2C HDMI CEC driver.

---

Function Documentation

void AUDIO_IO_DeInit

(

void

)

DeInitializes Audio low level.

Note:

This function is intentionally kept empty, user should define it.

Definition at line 1384 of file stm32373c_eval.c.

void AUDIO_IO_Init

(

void

)

Initializes peripherals used by the Audio Codec driver.

Return values:

None

Definition at line 1351 of file stm32373c_eval.c.

References AUDIO_RESET_GPIO_CLK_ENABLE, AUDIO_RESET_GPIO_PORT, AUDIO_RESET_PIN, CODEC_AUDIO_POWER_OFF, CODEC_AUDIO_POWER_ON, and I2C2_Init().

uint8_t AUDIO_IO_Read	(	uint16_t	DevAddress,
		uint8_t	Reg
	)

Reads a single data from the Audio Codec.

Parameters:

DevAddress	Target device address
Reg	Target Register address

Return values:

Data	to be read

Definition at line 1407 of file stm32373c_eval.c.

References I2C2_ReadData().

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

Writes a single data on the Audio Codec.

Parameters:

DevAddress	Target device address
Reg	Target Register address
Value	Data to be written

Return values:

None

Definition at line 1396 of file stm32373c_eval.c.

References I2C2_WriteData().

void EEPROM_IO_Init

(

void

)

Initializes peripherals used by the I2C EEPROM driver.

Return values:

None

Definition at line 1255 of file stm32373c_eval.c.

References I2C2_Init().

Referenced by BSP_EEPROM_Init().

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 1293 of file stm32373c_eval.c.

References I2C2_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.

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 1281 of file stm32373c_eval.c.

References I2C2_ReadBuffer().

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.

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 1268 of file stm32373c_eval.c.

References I2C2_WriteBuffer().

Referenced by EEPROM_WritePage().

void HDMI_CEC_IO_Init

(

void

)

Initializes CEC low level.

Return values:

None

Definition at line 1421 of file stm32373c_eval.c.

References HDMI_CEC_HPD_SINK_CLK_ENABLE, HDMI_CEC_HPD_SINK_GPIO_PORT, HDMI_CEC_HPD_SINK_PIN, HDMI_CEC_HPD_SOURCE_CLK_ENABLE, HDMI_CEC_HPD_SOURCE_GPIO_PORT, HDMI_CEC_HPD_SOURCE_PIN, HDMI_CEC_IRQn, HDMI_CEC_LINE_AF, HDMI_CEC_LINE_CLK_ENABLE, HDMI_CEC_LINE_GPIO_PORT, HDMI_CEC_LINE_PIN, I2C1_Init(), and I2C2_Init().

HAL_StatusTypeDef HDMI_CEC_IO_ReadData	(	uint16_t	DevAddress,
		uint8_t *	pBuffer,
		uint16_t	BufferSize
	)

Read data to I2C HDMI CEC driver.

Parameters:

DevAddress	Target device address
pBuffer	Pointer to data buffer
BufferSize	Amount of data to be sent

Return values:

HAL

status

Definition at line 1486 of file stm32373c_eval.c.

References I2C2_ReceiveData().

HAL_StatusTypeDef HDMI_CEC_IO_WriteData	(	uint8_t *	pBuffer,
		uint16_t	BufferSize
	)

Write data to I2C HDMI CEC driver.

Parameters:

pBuffer	Pointer to data buffer
BufferSize	Amount of data to be sent

Return values:

HAL

status

Definition at line 1474 of file stm32373c_eval.c.

References I2C1_TransmitData().

void LCD_Delay

(

uint32_t

Delay

)

Wait for loop in ms.

Parameters:

Delay

in ms.

Return values:

None

Definition at line 1089 of file stm32373c_eval.c.

void LCD_IO_Init

(

void

)

Configures the LCD_SPI interface.

Return values:

None

Definition at line 971 of file stm32373c_eval.c.

References LCD_CS_HIGH, LCD_CS_LOW, LCD_NCS_GPIO_CLK_ENABLE, LCD_NCS_GPIO_PORT, LCD_NCS_PIN, and SPIx_Init().

uint16_t LCD_IO_ReadData

(

uint16_t

Reg

)

Read register value.

Return values:

None

Definition at line 1058 of file stm32373c_eval.c.

References LCD_CS_HIGH, LCD_CS_LOW, LCD_IO_WriteReg(), LCD_READ_REG, SPIx_Read(), SPIx_Write(), and START_BYTE.

void LCD_IO_WriteMultipleData	(	uint8_t *	pData,
		uint32_t	Size
	)

Write register value.

Parameters:

pData	Pointer on the register value
Size	Size of byte to transmit to the register

Return values:

None

Definition at line 998 of file stm32373c_eval.c.

References heval_Spi, LCD_CS_HIGH, LCD_CS_LOW, LCD_WRITE_REG, SPIx_Write(), and START_BYTE.

void LCD_IO_WriteReg

(

uint8_t

Reg

)

register address.

Parameters:

Reg

Return values:

None

Definition at line 1038 of file stm32373c_eval.c.

References LCD_CS_HIGH, LCD_CS_LOW, SET_INDEX, SPIx_Write(), and START_BYTE.

Referenced by LCD_IO_ReadData().

void SD_IO_Init

(

void

)

Initializes the SD Card and put it into StandBy State (Ready for data transfer).

Return values:

None

Definition at line 1101 of file stm32373c_eval.c.

References SD_CS_GPIO_CLK_ENABLE, SD_CS_GPIO_PORT, SD_CS_HIGH, SD_CS_PIN, SD_DETECT_EXTI_IRQn, SD_DETECT_GPIO_CLK_ENABLE, SD_DETECT_GPIO_PORT, SD_DETECT_PIN, SD_DUMMY_BYTE, SD_IO_WriteByte(), and SPIx_Init().

Referenced by BSP_SD_Init().

uint8_t SD_IO_ReadByte

(

void

)

Read a byte from the SD.

Return values:

The	received byte.

Definition at line 1158 of file stm32373c_eval.c.

References SPIx_Read().

Referenced by BSP_SD_ReadBlocks(), BSP_SD_WriteBlocks(), SD_GetCIDRegister(), SD_GetCSDRegister(), SD_GetDataResponse(), and SD_IO_WaitResponse().

HAL_StatusTypeDef SD_IO_WaitResponse

(

uint8_t

Response

)

Wait response from the SD card.

Parameters:

Response

Expected response from the SD card

Return values:

HAL_StatusTypeDef

HAL Status

Definition at line 1212 of file stm32373c_eval.c.

References SD_IO_ReadByte().

Referenced by BSP_SD_Erase(), BSP_SD_ReadBlocks(), SD_GetCIDRegister(), SD_GetCSDRegister(), and SD_IO_WriteCmd().

void SD_IO_WriteByte

(

uint8_t

Data

)

Write a byte on the SD.

Parameters:

Data	byte to send.

Return values:

None

Definition at line 1148 of file stm32373c_eval.c.

References SPIx_Write().

Referenced by BSP_SD_WriteBlocks(), SD_GetCIDRegister(), SD_GetCSDRegister(), SD_IO_Init(), SD_IO_WriteCmd(), and SD_IO_WriteDummy().

HAL_StatusTypeDef SD_IO_WriteCmd	(	uint8_t	Cmd,
		uint32_t	Arg,
		uint8_t	Crc,
		uint8_t	Response
	)

Send 5 bytes command to the SD card and get response.

Parameters:

Cmd	The user expected command to send to SD card.
Arg	The command argument.
Crc	The CRC.
Response	Expected response from the SD card

Return values:

HAL_StatusTypeDef

HAL Status

Definition at line 1177 of file stm32373c_eval.c.

References SD_CS_LOW, SD_IO_WaitResponse(), SD_IO_WriteByte(), and SD_NO_RESPONSE_EXPECTED.

Referenced by BSP_SD_ReadBlocks(), BSP_SD_WriteBlocks(), SD_GetCIDRegister(), SD_GetCSDRegister(), and SD_SendCmd().

void SD_IO_WriteDummy

(

void

)

Send dummy byte with CS High.

Return values:

None

Definition at line 1238 of file stm32373c_eval.c.

References SD_CS_HIGH, SD_DUMMY_BYTE, and SD_IO_WriteByte().

Referenced by BSP_SD_ReadBlocks(), BSP_SD_WriteBlocks(), SD_GetCIDRegister(), SD_GetCSDRegister(), and SD_SendCmd().

void TSENSOR_IO_Init

(

void

)

Initializes peripherals used by the I2C Temperature Sensor driver.

Return values:

None

Definition at line 1303 of file stm32373c_eval.c.

References I2C2_Init().

uint16_t TSENSOR_IO_IsDeviceReady	(	uint16_t	DevAddress,
		uint32_t	Trials
	)

Checks if Temperature Sensor is ready for communication.

Parameters:

DevAddress	Target device address
Trials	Number of trials

Return values:

HAL

status

Definition at line 1340 of file stm32373c_eval.c.

References I2C2_IsDeviceReady().

void TSENSOR_IO_Read	(	uint16_t	DevAddress,
		uint8_t *	pBuffer,
		uint8_t	ReadAddr,
		uint16_t	Length
	)

Reads one byte from the TSENSOR.

Parameters:

DevAddress	Target device address
pBuffer	pointer to the buffer that receives the data read from the TSENSOR.
ReadAddr	TSENSOR's internal address to read from.
Length	Number of data to read

Return values:

None

Definition at line 1329 of file stm32373c_eval.c.

References I2C2_ReadBuffer().

void TSENSOR_IO_Write	(	uint16_t	DevAddress,
		uint8_t *	pBuffer,
		uint8_t	WriteAddr,
		uint16_t	Length
	)

Writes one byte to the TSENSOR.

Parameters:

DevAddress	Target device address
pBuffer	Pointer to data buffer
WriteAddr	TSENSOR's internal address to write to.
Length	Number of data to write

Return values:

None

Definition at line 1316 of file stm32373c_eval.c.

References I2C2_WriteBuffer().