Private Functions

Functions
static void	SPIx_Init (void)
	Initializes SPI HAL.
static void	SPIx_Write (uint8_t Value)
	SPI Write a byte to device.
static uint32_t	SPIx_Read (void)
	SPI Read 4 bytes from device.
static void	SPIx_Error (void)
	SPI error treatment function.
static void	SPIx_MspInit (void)
	Initializes SPI MSP.
static HAL_StatusTypeDef	ADCx_Init (void)
	Initializes ADC HAL.
static void	ADCx_MspInit (ADC_HandleTypeDef *hadc)
	Initializes ADC MSP.
void	SD_IO_Init (void)
	Initializes the SD Card and put it into StandBy State (Ready for data transfer).
HAL_StatusTypeDef	SD_IO_WriteCmd (uint8_t Cmd, uint32_t Arg, uint8_t Crc, uint8_t Response)
	Sends 5 bytes command to the SD card and get response.
HAL_StatusTypeDef	SD_IO_WaitResponse (uint8_t Response)
	Waits response from the SD card.
void	SD_IO_WriteDummy (void)
	Sends dummy byte with CS High.
void	SD_IO_WriteByte (uint8_t Data)
	Writes a byte on the SD.
uint8_t	SD_IO_ReadByte (void)
	Reads a byte from the SD.
void	LCD_IO_Init (void)
	Initializes the LCD.
void	LCD_IO_WriteMultipleData (uint8_t *pData, uint32_t Size)
	Write register value.
void	LCD_IO_WriteReg (uint8_t LCDReg)
	Writes command to select the LCD register.
void	LCD_Delay (uint32_t Delay)
	Wait for loop in ms.

---

Function Documentation

static HAL_StatusTypeDef ADCx_Init

(

void

)

[static]

Initializes ADC HAL.

Return values:

None

Definition at line 809 of file stm32l4xx_nucleo.c.

References ADCx_MspInit(), hnucleo_Adc, and NUCLEO_ADCx.

Referenced by BSP_JOY_Init().

static void ADCx_MspInit

(

ADC_HandleTypeDef *

hadc

)

[static]

Initializes ADC MSP.

Return values:

None

Definition at line 779 of file stm32l4xx_nucleo.c.

References NUCLEO_ADCx_CLK_ENABLE, NUCLEO_ADCx_GPIO_CLK_ENABLE, NUCLEO_ADCx_GPIO_PIN, and NUCLEO_ADCx_GPIO_PORT.

Referenced by ADCx_Init().

void LCD_Delay

(

uint32_t

Delay

)

Wait for loop in ms.

Parameters:

Delay

in ms.

Return values:

None

Definition at line 766 of file stm32l4xx_nucleo.c.

void LCD_IO_Init

(

void

)

Initializes the LCD.

Return values:

None

Definition at line 664 of file stm32l4xx_nucleo.c.

References LCD_CS_GPIO_CLK_ENABLE, LCD_CS_HIGH, LCD_CS_PIN, LCD_DC_GPIO_CLK_ENABLE, LCD_DC_GPIO_PORT, LCD_DC_PIN, SD_CS_GPIO_PORT, and SPIx_Init().

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 716 of file stm32l4xx_nucleo.c.

References hnucleo_Spi, LCD_CS_HIGH, LCD_CS_LOW, LCD_DC_HIGH, and SPIx_Write().

void LCD_IO_WriteReg

(

uint8_t

LCDReg

)

Writes command to select the LCD register.

Parameters:

LCDReg,:

Address of the selected register.

Return values:

None

Definition at line 695 of file stm32l4xx_nucleo.c.

References LCD_CS_HIGH, LCD_CS_LOW, LCD_DC_LOW, and SPIx_Write().

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 524 of file stm32l4xx_nucleo.c.

References SD_CS_GPIO_CLK_ENABLE, SD_CS_GPIO_PORT, SD_CS_HIGH, SD_CS_PIN, SD_DUMMY_BYTE, SD_IO_WriteByte(), and SPIx_Init().

uint8_t SD_IO_ReadByte

(

void

)

Reads a byte from the SD.

Return values:

The	received byte.

Definition at line 570 of file stm32l4xx_nucleo.c.

References SPIx_Read().

Referenced by SD_IO_WaitResponse().

HAL_StatusTypeDef SD_IO_WaitResponse

(

uint8_t

Response

)

Waits response from the SD card.

Parameters:

Response,:

Expected response from the SD card

Return values:

HAL_StatusTypeDef

HAL Status

Definition at line 624 of file stm32l4xx_nucleo.c.

References SD_IO_ReadByte().

Referenced by SD_IO_WriteCmd().

void SD_IO_WriteByte

(

uint8_t

Data

)

Writes a byte on the SD.

Parameters:

Data,:

byte to send.

Return values:

None

Definition at line 560 of file stm32l4xx_nucleo.c.

References SPIx_Write().

Referenced by 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
	)

Sends 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 589 of file stm32l4xx_nucleo.c.

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

void SD_IO_WriteDummy

(

void

)

Sends dummy byte with CS High.

Return values:

None

Definition at line 650 of file stm32l4xx_nucleo.c.

References SD_CS_HIGH, SD_DUMMY_BYTE, and SD_IO_WriteByte().

static void SPIx_Error

(

void

)

[static]

SPI error treatment function.

Return values:

None

Definition at line 505 of file stm32l4xx_nucleo.c.

References hnucleo_Spi, and SPIx_Init().

Referenced by SPIx_Read(), and SPIx_Write().

static void SPIx_Init

(

void

)

[static]

Initializes SPI HAL.

Return values:

None

Definition at line 427 of file stm32l4xx_nucleo.c.

References hnucleo_Spi, NUCLEO_SPIx, and SPIx_MspInit().

Referenced by LCD_IO_Init(), SD_IO_Init(), and SPIx_Error().

static void SPIx_MspInit

(

void

)

[static]

Initializes SPI MSP.

Return values:

None

Definition at line 392 of file stm32l4xx_nucleo.c.

References NUCLEO_SPIx_CLK_ENABLE, NUCLEO_SPIx_MISO_MOSI_AF, NUCLEO_SPIx_MISO_MOSI_GPIO_CLK_ENABLE, NUCLEO_SPIx_MISO_MOSI_GPIO_PORT, NUCLEO_SPIx_MISO_PIN, NUCLEO_SPIx_MOSI_PIN, NUCLEO_SPIx_SCK_AF, NUCLEO_SPIx_SCK_GPIO_CLK_ENABLE, NUCLEO_SPIx_SCK_GPIO_PORT, and NUCLEO_SPIx_SCK_PIN.

Referenced by SPIx_Init().

static uint32_t SPIx_Read

(

void

)

[static]

SPI Read 4 bytes from device.

Return values:

Read

data

Definition at line 464 of file stm32l4xx_nucleo.c.

References hnucleo_Spi, hnucleo_SpixTimeout, and SPIx_Error().

Referenced by SD_IO_ReadByte().

static void SPIx_Write

(

uint8_t

Value

)

[static]

SPI Write a byte to device.

Parameters:

Value,:

value to be written

Return values:

None

Definition at line 487 of file stm32l4xx_nucleo.c.

References hnucleo_Spi, hnucleo_SpixTimeout, and SPIx_Error().

Referenced by LCD_IO_WriteMultipleData(), LCD_IO_WriteReg(), and SD_IO_WriteByte().