B-L475E-IOT01 BSP User Manual: LOW LEVEL Private Functions

B-L475E-IOT01 BSP Driver

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B-L475E-IOT01 BSP User Manual
Functions
LOW LEVEL Private Functions
LOW LEVEL

Functions

uint32_t BSP_GetVersion (void)
 This method returns the STM32L475E IOT01 BSP Driver revision.
void BSP_LED_Init (Led_TypeDef Led)
 Configures LEDs.
void BSP_LED_DeInit (Led_TypeDef Led)
 DeInit LEDs.
void BSP_LED_On (Led_TypeDef Led)
 Turns selected LED On.
void BSP_LED_Off (Led_TypeDef Led)
 Turns selected LED Off.
void BSP_LED_Toggle (Led_TypeDef Led)
 Toggles the selected LED.
void BSP_PB_Init (Button_TypeDef Button, ButtonMode_TypeDef ButtonMode)
 Configures button GPIO and EXTI Line.
void BSP_PB_DeInit (Button_TypeDef Button)
 Push Button DeInit.
uint32_t BSP_PB_GetState (Button_TypeDef Button)
 Returns the selected button state.
void BSP_COM_Init (COM_TypeDef COM, UART_HandleTypeDef *huart)
 Configures COM port.
void BSP_COM_DeInit (COM_TypeDef COM, UART_HandleTypeDef *huart)
 DeInit COM port.
static void I2Cx_MspInit (I2C_HandleTypeDef *i2c_handler)
 Initializes I2C MSP.
static void I2Cx_MspDeInit (I2C_HandleTypeDef *i2c_handler)
 DeInitializes I2C MSP.
static void I2Cx_Init (I2C_HandleTypeDef *i2c_handler)
 Initializes I2C HAL.
static void I2Cx_DeInit (I2C_HandleTypeDef *i2c_handler)
 DeInitializes I2C HAL.
static HAL_StatusTypeDef I2Cx_ReadMultiple (I2C_HandleTypeDef *i2c_handler, uint8_t Addr, uint16_t Reg, uint16_t MemAddress, uint8_t *Buffer, uint16_t Length)
 Reads multiple data.
static HAL_StatusTypeDef I2Cx_WriteMultiple (I2C_HandleTypeDef *i2c_handler, 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 (I2C_HandleTypeDef *i2c_handler, uint16_t DevAddress, uint32_t Trials)
 Checks if target device is ready for communication.
static void I2Cx_Error (I2C_HandleTypeDef *i2c_handler, uint8_t Addr)
 Manages error callback by re-initializing I2C.

Function Documentation

void BSP_COM_DeInit ( COM_TypeDef  COM,
UART_HandleTypeDef *  huart 
)

DeInit COM port.

Parameters:
COM,:COM port to be configured. This parameter can be one of the following values:
  • COM1
huart,:Pointer to a UART_HandleTypeDef structure that contains the configuration information for the specified USART peripheral.

Definition at line 345 of file stm32l475e_iot01.c.

References COM_USART, and DISCOVERY_COMx_CLK_DISABLE.

void BSP_COM_Init ( COM_TypeDef  COM,
UART_HandleTypeDef *  huart 
)

Configures COM port.

Parameters:
COM,:COM port to be configured. This parameter can be one of the following values:
  • COM1
huart,:Pointer to a UART_HandleTypeDef structure that contains the configuration information for the specified USART peripheral.

Definition at line 307 of file stm32l475e_iot01.c.

References COM_RX_AF, COM_RX_PIN, COM_RX_PORT, COM_TX_AF, COM_TX_PIN, COM_TX_PORT, COM_USART, DISCOVERY_COMx_CLK_ENABLE, DISCOVERY_COMx_RX_GPIO_CLK_ENABLE, and DISCOVERY_COMx_TX_GPIO_CLK_ENABLE.

uint32_t BSP_GetVersion ( void  )

This method returns the STM32L475E IOT01 BSP Driver revision.

Return values:
version,:0xXYZR (8bits for each decimal, R for RC)

Definition at line 149 of file stm32l475e_iot01.c.

References __STM32L475E_IOT01_BSP_VERSION.

void BSP_LED_DeInit ( Led_TypeDef  Led)

DeInit LEDs.

Parameters:
Led,:LED to be configured. This parameter can be one of the following values:
  • LED2

Definition at line 180 of file stm32l475e_iot01.c.

References GPIO_PIN, and GPIO_PORT.

void BSP_LED_Init ( Led_TypeDef  Led)

Configures LEDs.

Parameters:
Led,:LED to be configured. This parameter can be one of the following values:
  • LED2

Definition at line 160 of file stm32l475e_iot01.c.

References GPIO_PIN, GPIO_PORT, and LEDx_GPIO_CLK_ENABLE.

void BSP_LED_Off ( Led_TypeDef  Led)

Turns selected LED Off.

Parameters:
Led,:LED to be set off This parameter can be one of the following values:
  • LED2

Definition at line 209 of file stm32l475e_iot01.c.

References GPIO_PIN, and GPIO_PORT.

void BSP_LED_On ( Led_TypeDef  Led)

Turns selected LED On.

Parameters:
Led,:LED to be set on This parameter can be one of the following values:
  • LED2

Definition at line 198 of file stm32l475e_iot01.c.

References GPIO_PIN, and GPIO_PORT.

void BSP_LED_Toggle ( Led_TypeDef  Led)

Toggles the selected LED.

Parameters:
Led,:LED to be toggled This parameter can be one of the following values:
  • LED2

Definition at line 220 of file stm32l475e_iot01.c.

References GPIO_PIN, and GPIO_PORT.

void BSP_PB_DeInit ( Button_TypeDef  Button)

Push Button DeInit.

Parameters:
Button,:Button to be configured This parameter can be one of the following values:
  • BUTTON_WAKEUP: Wakeup Push Button
Note:
PB DeInit does not disable the GPIO clock

Definition at line 277 of file stm32l475e_iot01.c.

References BUTTON_IRQn, BUTTON_PIN, and BUTTON_PORT.

uint32_t BSP_PB_GetState ( Button_TypeDef  Button)

Returns the selected button state.

Parameters:
Button,:Button to be checked This parameter can be one of the following values:
  • BUTTON_WAKEUP: Wakeup Push Button
Return values:
TheButton GPIO pin value (GPIO_PIN_RESET = button pressed)

Definition at line 294 of file stm32l475e_iot01.c.

References BUTTON_PIN, and BUTTON_PORT.

void BSP_PB_Init ( Button_TypeDef  Button,
ButtonMode_TypeDef  ButtonMode 
)

Configures button GPIO and EXTI Line.

Parameters:
Button,:Button to be configured This parameter can be one of the following values:
  • BUTTON_WAKEUP: Wakeup Push Button
ButtonMode,:Button mode This parameter can be one of the following values:
  • BUTTON_MODE_GPIO: Button will be used as simple IO
  • BUTTON_MODE_EXTI: Button will be connected to EXTI line with interrupt generation capability

Definition at line 236 of file stm32l475e_iot01.c.

References BUTTON_IRQn, BUTTON_MODE_EXTI, BUTTON_MODE_GPIO, BUTTON_PIN, BUTTON_PORT, and USER_BUTTON_GPIO_CLK_ENABLE.

static void I2Cx_DeInit ( I2C_HandleTypeDef *  i2c_handler) [static]

DeInitializes I2C HAL.

Parameters:
i2c_handler: I2C handler
Return values:
None

Definition at line 458 of file stm32l475e_iot01.c.

References I2Cx_MspDeInit().

Referenced by SENSOR_IO_DeInit().

static void I2Cx_Error ( I2C_HandleTypeDef *  i2c_handler,
uint8_t  Addr 
) [static]

Manages error callback by re-initializing I2C.

Parameters:
i2c_handler: I2C handler
Addr,:I2C Address
Return values:
None

Definition at line 534 of file stm32l475e_iot01.c.

References I2Cx_Init().

Referenced by I2Cx_ReadMultiple(), and I2Cx_WriteMultiple().

static void I2Cx_Init ( I2C_HandleTypeDef *  i2c_handler) [static]

Initializes I2C HAL.

Parameters:
i2c_handler: I2C handler
Return values:
None

Configure Analogue filter

Definition at line 433 of file stm32l475e_iot01.c.

References DISCOVERY_I2Cx, and I2Cx_MspInit().

Referenced by I2Cx_Error(), and SENSOR_IO_Init().

static HAL_StatusTypeDef I2Cx_IsDeviceReady ( I2C_HandleTypeDef *  i2c_handler,
uint16_t  DevAddress,
uint32_t  Trials 
) [static]

Checks if target device is ready for communication.

Note:
This function is used with Memory devices
Parameters:
i2c_handler: I2C handler
DevAddress,:Target device address
Trials,:Number of trials
Return values:
HALstatus

Definition at line 523 of file stm32l475e_iot01.c.

Referenced by SENSOR_IO_IsDeviceReady().

static void I2Cx_MspDeInit ( I2C_HandleTypeDef *  i2c_handler) [static]

DeInitializes I2C MSP.

Parameters:
i2c_handler: I2C handler
Return values:
None

Definition at line 414 of file stm32l475e_iot01.c.

References DISCOVERY_I2Cx_CLK_DISABLE, DISCOVERY_I2Cx_SCL_PIN, DISCOVERY_I2Cx_SCL_SDA_GPIO_CLK_DISABLE, DISCOVERY_I2Cx_SCL_SDA_GPIO_PORT, and DISCOVERY_I2Cx_SDA_PIN.

Referenced by I2Cx_DeInit().

static void I2Cx_MspInit ( I2C_HandleTypeDef *  i2c_handler) [static]

Initializes I2C MSP.

Parameters:
i2c_handler: I2C handler
Return values:
None

Definition at line 372 of file stm32l475e_iot01.c.

References DISCOVERY_I2Cx_CLK_ENABLE, DISCOVERY_I2Cx_ER_IRQn, DISCOVERY_I2Cx_EV_IRQn, DISCOVERY_I2Cx_FORCE_RESET, DISCOVERY_I2Cx_RELEASE_RESET, DISCOVERY_I2Cx_SCL_PIN, DISCOVERY_I2Cx_SCL_SDA_AF, DISCOVERY_I2Cx_SCL_SDA_GPIO_CLK_ENABLE, DISCOVERY_I2Cx_SCL_SDA_GPIO_PORT, and DISCOVERY_I2Cx_SDA_PIN.

Referenced by I2Cx_Init().

static HAL_StatusTypeDef I2Cx_ReadMultiple ( I2C_HandleTypeDef *  i2c_handler,
uint8_t  Addr,
uint16_t  Reg,
uint16_t  MemAddress,
uint8_t *  Buffer,
uint16_t  Length 
) [static]

Reads multiple data.

Parameters:
i2c_handler: I2C handler
Addr,:I2C address
Reg,:Reg address
MemAddress,:memory address
Buffer,:Pointer to data buffer
Length,:Length of the data
Return values:
HALstatus

Definition at line 474 of file stm32l475e_iot01.c.

References I2Cx_Error().

Referenced by SENSOR_IO_Read(), and SENSOR_IO_ReadMultiple().

static HAL_StatusTypeDef I2Cx_WriteMultiple ( I2C_HandleTypeDef *  i2c_handler,
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:
i2c_handler: I2C handler
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:
HALstatus

Definition at line 500 of file stm32l475e_iot01.c.

References I2Cx_Error().

Referenced by SENSOR_IO_Write(), and SENSOR_IO_WriteMultiple().

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