Private Functions

Functions
static void	SPIx_Init (void)
	Initialize SPI HAL.
static void	SPIx_Write (uint8_t Value)
	SPI Write a byte to device.
static void	SPIx_WriteData (uint8_t *DataIn, uint16_t DataLength)
	SPI Write an amount of data to device.
static void	SPIx_WriteReadData (const uint8_t *DataIn, uint8_t *DataOut, uint16_t DataLength)
	SPI Write a byte to device.
static void	SPIx_Error (void)
	SPI error treatment function.
static void	SPIx_MspInit (void)
	Initialize SPI MSP.
void	SD_IO_Init (void)
	Initialize the SD Card and put it into StandBy State (Ready for data transfer).
void	SD_IO_CSState (uint8_t val)
	Set the SD_CS pin.
void	SD_IO_WriteReadData (const uint8_t *DataIn, uint8_t *DataOut, uint16_t DataLength)
	Write byte(s) on the SD.
void	SD_IO_ReadData (uint8_t *DataOut, uint16_t DataLength)
	Write an amount of data on the SD.
void	SD_IO_WriteData (const uint8_t *Data, uint16_t DataLength)
	Write an amount of data on the SD.
uint8_t	SD_IO_WriteByte (uint8_t Data)
	Write a byte on the SD.
uint8_t	SD_IO_ReadByte (void)
void	LCD_IO_Init (void)
	Initialize the LCD.
void	LCD_IO_WriteData (uint8_t Data)
void	LCD_IO_WriteMultipleData (uint8_t *pData, uint32_t Size)
	Write register value.
void	LCD_IO_WriteReg (uint8_t LCDReg)
	Write command to select the LCD register.
void	LCD_Delay (uint32_t Delay)
	Wait for loop in ms.
static HAL_StatusTypeDef	ADCx_Init (void)
	Initializes ADC HAL.
static void	ADCx_DeInit (void)
	Initializes ADC HAL.
static void	ADCx_MspInit (ADC_HandleTypeDef *hadc)
	Initialize ADC MSP.
static void	ADCx_MspDeInit (ADC_HandleTypeDef *hadc)
	DeInitializes ADC MSP.
uint8_t	BSP_JOY_Init (void)
	Configures joystick available on adafruit 1.8" TFT shield managed through ADC to detect motion.
void	BSP_JOY_DeInit (void)
	DeInit joystick GPIOs.
JOYState_TypeDef	BSP_JOY_GetState (void)
	Returns the Joystick key pressed.

---

Function Documentation

static void ADCx_DeInit

(

void

)

[static]

Initializes ADC HAL.

Return values:

None

Definition at line 813 of file stm32l1xx_nucleo.c.

References ADCx_MspDeInit(), hnucleo_Adc, and NUCLEO_ADCx.

Referenced by BSP_JOY_DeInit().

static HAL_StatusTypeDef ADCx_Init

(

void

)

[static]

Initializes ADC HAL.

Return values:

None

Definition at line 770 of file stm32l1xx_nucleo.c.

References ADCx_MspInit(), hnucleo_Adc, and NUCLEO_ADCx.

Referenced by BSP_JOY_Init().

static void ADCx_MspDeInit

(

ADC_HandleTypeDef *

hadc

)

[static]

DeInitializes ADC MSP.

Parameters:

hadc	ADC peripheral

Note:

ADC DeInit does not disable the GPIO clock

Return values:

None

Definition at line 750 of file stm32l1xx_nucleo.c.

References NUCLEO_ADCx_CLK_DISABLE, NUCLEO_ADCx_GPIO_PIN, and NUCLEO_ADCx_GPIO_PORT.

Referenced by ADCx_DeInit().

static void ADCx_MspInit

(

ADC_HandleTypeDef *

hadc

)

[static]

Initialize ADC MSP.

Parameters:

hadc	ADC peripheral

Return values:

None

Definition at line 725 of file stm32l1xx_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 BSP_JOY_DeInit

(

void

)

DeInit joystick GPIOs.

Note:

JOY DeInit does not disable the Mfx, just set the Mfx pins in Off mode

Return values:

None.

Definition at line 849 of file stm32l1xx_nucleo.c.

References ADCx_DeInit().

JOYState_TypeDef BSP_JOY_GetState

(

void

)

Returns the Joystick key pressed.

Note:

To know which Joystick key is pressed we need to detect the voltage level on each key output

• None : 3.3 V / 4095
• SEL : 1.055 V / 1308
• DOWN : 0.71 V / 88
• LEFT : 3.0 V / 3720
• RIGHT : 0.595 V / 737
• UP : 1.65 V / 2046

Return values:

JOYState_TypeDef,:

Code of the Joystick key pressed.

Definition at line 866 of file stm32l1xx_nucleo.c.

References hnucleo_Adc, JOY_DOWN, JOY_LEFT, JOY_NONE, JOY_RIGHT, JOY_SEL, and JOY_UP.

uint8_t BSP_JOY_Init

(

void

)

Configures joystick available on adafruit 1.8" TFT shield managed through ADC to detect motion.

Return values:

Joystickstatus

(0=> success, 1=> fail)

Definition at line 828 of file stm32l1xx_nucleo.c.

References ADCx_Init(), hnucleo_Adc, and sConfig.

void LCD_Delay

(

uint32_t

Delay

)

Wait for loop in ms.

Parameters:

Delay

in ms.

Return values:

None

Definition at line 711 of file stm32l1xx_nucleo.c.

void LCD_IO_Init

(

void

)

Initialize the LCD.

Return values:

None

Definition at line 608 of file stm32l1xx_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_WriteData

(

uint8_t

Data

)

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 660 of file stm32l1xx_nucleo.c.

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

void LCD_IO_WriteReg

(

uint8_t

LCDReg

)

Write command to select the LCD register.

Parameters:

LCDReg,:

Address of the selected register.

Return values:

None

Definition at line 639 of file stm32l1xx_nucleo.c.

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

void SD_IO_CSState

(

uint8_t

val

)

Set the SD_CS pin.

Parameters:

val	pin value.

Return values:

None

Definition at line 540 of file stm32l1xx_nucleo.c.

References SD_CS_HIGH, and SD_CS_LOW.

void SD_IO_Init

(

void

)

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

Return values:

None

Definition at line 497 of file stm32l1xx_nucleo.c.

References LCD_CS_HIGH, LCD_CS_PIN, 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

)

void SD_IO_ReadData	(	uint8_t *	DataOut,
		uint16_t	DataLength
	)

Write an amount of data on the SD.

Parameters:

DataOut	byte to send.
DataLength	number of bytes to write

Return values:

none

Definition at line 585 of file stm32l1xx_nucleo.c.

References SD_IO_WriteReadData().

uint8_t SD_IO_WriteByte

(

uint8_t

Data

)

Write a byte on the SD.

Parameters:

Data	byte to send.

Return values:

Data

written

Definition at line 570 of file stm32l1xx_nucleo.c.

References SPIx_WriteReadData().

Referenced by SD_IO_Init().

void SD_IO_WriteData	(	const uint8_t *	Data,
		uint16_t	DataLength
	)

Write an amount of data on the SD.

Parameters:

Data	byte to send.
DataLength	number of bytes to write

Return values:

none

Definition at line 597 of file stm32l1xx_nucleo.c.

References SPIx_WriteData().

void SD_IO_WriteReadData	(	const uint8_t *	DataIn,
		uint8_t *	DataOut,
		uint16_t	DataLength
	)

Write byte(s) on the SD.

Parameters:

DataIn,:	Pointer to data buffer to write
DataOut,:	Pointer to data buffer for read data
DataLength,:	number of bytes to write

Return values:

None

Definition at line 559 of file stm32l1xx_nucleo.c.

References SPIx_WriteReadData().

Referenced by SD_IO_ReadData().

static void SPIx_Error

(

void

)

[static]

SPI error treatment function.

Return values:

None

Definition at line 478 of file stm32l1xx_nucleo.c.

References hnucleo_Spi, and SPIx_Init().

Referenced by SPIx_Write(), SPIx_WriteData(), and SPIx_WriteReadData().

static void SPIx_Init

(

void

)

[static]

Initialize SPI HAL.

Return values:

None

Definition at line 382 of file stm32l1xx_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]

Initialize SPI MSP.

Return values:

None

Definition at line 347 of file stm32l1xx_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 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 459 of file stm32l1xx_nucleo.c.

References hnucleo_Spi, SPIx_Error(), and SpixTimeout.

Referenced by LCD_IO_WriteMultipleData(), and LCD_IO_WriteReg().

static void SPIx_WriteData	(	uint8_t *	DataIn,
		uint16_t	DataLength
	)		[static]

SPI Write an amount of data to device.

Parameters:

DataIn	value to be written
DataLength	number of bytes to write

Return values:

None

Definition at line 440 of file stm32l1xx_nucleo.c.

References hnucleo_Spi, SPIx_Error(), and SpixTimeout.

Referenced by SD_IO_WriteData().

static void SPIx_WriteReadData	(	const uint8_t *	DataIn,
		uint8_t *	DataOut,
		uint16_t	DataLength
	)		[static]

SPI Write a byte to device.

Parameters:

DataIn	value to be written
DataLength	number of bytes to write
DataOut	read value

Return values:

None

Definition at line 420 of file stm32l1xx_nucleo.c.

References hnucleo_Spi, SPIx_Error(), and SpixTimeout.

Referenced by SD_IO_WriteByte(), and SD_IO_WriteReadData().