Eric Lewiston / STM32L4xx_HAL_Driver

Hal Drivers for L4

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I2C Private Functions
Functions

I2C Private Functions
[I2C]

Functions

static void I2C_DMAMasterTransmitCplt (DMA_HandleTypeDef *hdma)
 DMA I2C master transmit process complete callback.
static void I2C_DMAMasterReceiveCplt (DMA_HandleTypeDef *hdma)
 DMA I2C master receive process complete callback.
static void I2C_DMASlaveTransmitCplt (DMA_HandleTypeDef *hdma)
 DMA I2C slave transmit process complete callback.
static void I2C_DMASlaveReceiveCplt (DMA_HandleTypeDef *hdma)
 DMA I2C slave receive process complete callback.
static void I2C_DMAMemTransmitCplt (DMA_HandleTypeDef *hdma)
 DMA I2C Memory Write process complete callback.
static void I2C_DMAMemReceiveCplt (DMA_HandleTypeDef *hdma)
 DMA I2C Memory Read process complete callback.
static void I2C_DMAError (DMA_HandleTypeDef *hdma)
 DMA I2C communication error callback.
static HAL_StatusTypeDef I2C_RequestMemoryWrite (I2C_HandleTypeDef *hi2c, uint16_t DevAddress, uint16_t MemAddress, uint16_t MemAddSize, uint32_t Timeout)
 Master sends target device address followed by internal memory address for write request.
static HAL_StatusTypeDef I2C_RequestMemoryRead (I2C_HandleTypeDef *hi2c, uint16_t DevAddress, uint16_t MemAddress, uint16_t MemAddSize, uint32_t Timeout)
 Master sends target device address followed by internal memory address for read request.
static HAL_StatusTypeDef I2C_WaitOnFlagUntilTimeout (I2C_HandleTypeDef *hi2c, uint32_t Flag, FlagStatus Status, uint32_t Timeout)
 This function handles I2C Communication Timeout.
static HAL_StatusTypeDef I2C_WaitOnTXISFlagUntilTimeout (I2C_HandleTypeDef *hi2c, uint32_t Timeout)
 This function handles I2C Communication Timeout for specific usage of TXIS flag.
static HAL_StatusTypeDef I2C_WaitOnRXNEFlagUntilTimeout (I2C_HandleTypeDef *hi2c, uint32_t Timeout)
 This function handles I2C Communication Timeout for specific usage of RXNE flag.
static HAL_StatusTypeDef I2C_WaitOnSTOPFlagUntilTimeout (I2C_HandleTypeDef *hi2c, uint32_t Timeout)
 This function handles I2C Communication Timeout for specific usage of STOP flag.
static HAL_StatusTypeDef I2C_IsAcknowledgeFailed (I2C_HandleTypeDef *hi2c, uint32_t Timeout)
 This function handles Acknowledge failed detection during an I2C Communication.
static HAL_StatusTypeDef I2C_MasterTransmit_ISR (I2C_HandleTypeDef *hi2c)
 Handle Interrupt Flags Master Transmit Mode.
static HAL_StatusTypeDef I2C_MasterReceive_ISR (I2C_HandleTypeDef *hi2c)
 Handle Interrupt Flags Master Receive Mode.
static HAL_StatusTypeDef I2C_SlaveTransmit_ISR (I2C_HandleTypeDef *hi2c)
 Handle Interrupt Flags Slave Transmit Mode.
static HAL_StatusTypeDef I2C_SlaveReceive_ISR (I2C_HandleTypeDef *hi2c)
 Handle Interrupt Flags Slave Receive Mode.
static void I2C_TransferConfig (I2C_HandleTypeDef *hi2c, uint16_t DevAddress, uint8_t Size, uint32_t Mode, uint32_t Request)
 Handles I2Cx communication when starting transfer or during transfer (TC or TCR flag are set).

Function Documentation

static void I2C_DMAError ( DMA_HandleTypeDef *  hdma ) [static]

DMA I2C communication error callback.

Parameters:
hdma: DMA handle
Return values:
None

Definition at line 3805 of file stm32l4xx_hal_i2c.c.

static void I2C_DMAMasterReceiveCplt ( DMA_HandleTypeDef *  hdma ) [static]

DMA I2C master receive process complete callback.

Parameters:
hdma,:DMA handle
Return values:
None

Definition at line 3272 of file stm32l4xx_hal_i2c.c.

static void I2C_DMAMasterTransmitCplt ( DMA_HandleTypeDef *  hdma ) [static]

DMA I2C master transmit process complete callback.

Parameters:
hdma,:DMA handle
Return values:
None

Definition at line 3065 of file stm32l4xx_hal_i2c.c.

static void I2C_DMAMemReceiveCplt ( DMA_HandleTypeDef *  hdma ) [static]

DMA I2C Memory Read process complete callback.

Parameters:
hdma,:DMA handle
Return values:
None

Definition at line 3643 of file stm32l4xx_hal_i2c.c.

static void I2C_DMAMemTransmitCplt ( DMA_HandleTypeDef *  hdma ) [static]

DMA I2C Memory Write process complete callback.

Parameters:
hdma: DMA handle
Return values:
None

Definition at line 3487 of file stm32l4xx_hal_i2c.c.

static void I2C_DMASlaveReceiveCplt ( DMA_HandleTypeDef *  hdma ) [static]

DMA I2C slave receive process complete callback.

Parameters:
hdma,:DMA handle
Return values:
None

Definition at line 3435 of file stm32l4xx_hal_i2c.c.

static void I2C_DMASlaveTransmitCplt ( DMA_HandleTypeDef *  hdma ) [static]

DMA I2C slave transmit process complete callback.

Parameters:
hdma,:DMA handle
Return values:
None

Definition at line 3221 of file stm32l4xx_hal_i2c.c.

static HAL_StatusTypeDef I2C_IsAcknowledgeFailed ( I2C_HandleTypeDef *  hi2c,
uint32_t  Timeout 
) [static]

This function handles Acknowledge failed detection during an I2C Communication.

Parameters:
hi2c: Pointer to a I2C_HandleTypeDef structure that contains the configuration information for the specified I2C.
Timeout,:Timeout duration
Return values:
HALstatus

Definition at line 3998 of file stm32l4xx_hal_i2c.c.

static HAL_StatusTypeDef I2C_MasterReceive_ISR ( I2C_HandleTypeDef *  hi2c ) [static]

Handle Interrupt Flags Master Receive Mode.

Parameters:
hi2c: Pointer to a I2C_HandleTypeDef structure that contains the configuration information for the specified I2C.
Return values:
HALstatus

Definition at line 2683 of file stm32l4xx_hal_i2c.c.

static HAL_StatusTypeDef I2C_MasterTransmit_ISR ( I2C_HandleTypeDef *  hi2c ) [static]

Handle Interrupt Flags Master Transmit Mode.

Parameters:
hi2c: Pointer to a I2C_HandleTypeDef structure that contains the configuration information for the specified I2C.
Return values:
HALstatus

Definition at line 2576 of file stm32l4xx_hal_i2c.c.

static HAL_StatusTypeDef I2C_RequestMemoryRead ( I2C_HandleTypeDef *  hi2c,
uint16_t  DevAddress,
uint16_t  MemAddress,
uint16_t  MemAddSize,
uint32_t  Timeout 
) [static]

Master sends target device address followed by internal memory address for read request.

Parameters:
hi2c: Pointer to a I2C_HandleTypeDef structure that contains the configuration information for the specified I2C.
DevAddress,:Target device address
MemAddress,:Internal memory address
MemAddSize,:Size of internal memory address
Timeout,:Timeout duration
Return values:
HALstatus

Definition at line 3005 of file stm32l4xx_hal_i2c.c.

static HAL_StatusTypeDef I2C_RequestMemoryWrite ( I2C_HandleTypeDef *  hi2c,
uint16_t  DevAddress,
uint16_t  MemAddress,
uint16_t  MemAddSize,
uint32_t  Timeout 
) [static]

Master sends target device address followed by internal memory address for write request.

Parameters:
hi2c: Pointer to a I2C_HandleTypeDef structure that contains the configuration information for the specified I2C.
DevAddress,:Target device address
MemAddress,:Internal memory address
MemAddSize,:Size of internal memory address
Timeout,:Timeout duration
Return values:
HALstatus

Definition at line 2940 of file stm32l4xx_hal_i2c.c.

static HAL_StatusTypeDef I2C_SlaveReceive_ISR ( I2C_HandleTypeDef *  hi2c ) [static]

Handle Interrupt Flags Slave Receive Mode.

Parameters:
hi2c: Pointer to a I2C_HandleTypeDef structure that contains the configuration information for the specified I2C.
Return values:
HALstatus

Definition at line 2877 of file stm32l4xx_hal_i2c.c.

static HAL_StatusTypeDef I2C_SlaveTransmit_ISR ( I2C_HandleTypeDef *  hi2c ) [static]

Handle Interrupt Flags Slave Transmit Mode.

Parameters:
hi2c: Pointer to a I2C_HandleTypeDef structure that contains the configuration information for the specified I2C.
Return values:
HALstatus

Definition at line 2791 of file stm32l4xx_hal_i2c.c.

static void I2C_TransferConfig ( I2C_HandleTypeDef *  hi2c,
uint16_t  DevAddress,
uint8_t  Size,
uint32_t  Mode,
uint32_t  Request 
) [static]

Handles I2Cx communication when starting transfer or during transfer (TC or TCR flag are set).

Parameters:
hi2c,:I2C handle.
DevAddress,:specifies the slave address to be programmed.
Size,:specifies the number of bytes to be programmed. This parameter must be a value between 0 and 255.
Mode,:new state of the I2C START condition generation. This parameter can be one of the following values:

  • I2C_RELOAD_MODE: Enable Reload mode .
  • I2C_AUTOEND_MODE: Enable Automatic end mode.
  • I2C_SOFTEND_MODE: Enable Software end mode.
Request,:new state of the I2C START condition generation. This parameter can be one of the following values:

  • I2C_NO_STARTSTOP: Don't Generate stop and start condition.
  • I2C_GENERATE_STOP: Generate stop condition (Size should be set to 0).
  • I2C_GENERATE_START_READ: Generate Restart for read request.
  • I2C_GENERATE_START_WRITE: Generate Restart for write request.
Return values:
None

Definition at line 4074 of file stm32l4xx_hal_i2c.c.

static HAL_StatusTypeDef I2C_WaitOnFlagUntilTimeout ( I2C_HandleTypeDef *  hi2c,
uint32_t  Flag,
FlagStatus  Status,
uint32_t  Timeout 
) [static]

This function handles I2C Communication Timeout.

Parameters:
hi2c: Pointer to a I2C_HandleTypeDef structure that contains the configuration information for the specified I2C.
Flag,:specifies the I2C flag to check.
Status,:The new Flag status (SET or RESET).
Timeout,:Timeout duration
Return values:
HALstatus

Definition at line 3830 of file stm32l4xx_hal_i2c.c.

static HAL_StatusTypeDef I2C_WaitOnRXNEFlagUntilTimeout ( I2C_HandleTypeDef *  hi2c,
uint32_t  Timeout 
) [static]

This function handles I2C Communication Timeout for specific usage of RXNE flag.

Parameters:
hi2c: Pointer to a I2C_HandleTypeDef structure that contains the configuration information for the specified I2C.
Timeout,:Timeout duration
Return values:
HALstatus

Definition at line 3951 of file stm32l4xx_hal_i2c.c.

static HAL_StatusTypeDef I2C_WaitOnSTOPFlagUntilTimeout ( I2C_HandleTypeDef *  hi2c,
uint32_t  Timeout 
) [static]

This function handles I2C Communication Timeout for specific usage of STOP flag.

Parameters:
hi2c: Pointer to a I2C_HandleTypeDef structure that contains the configuration information for the specified I2C.
Timeout,:Timeout duration
Return values:
HALstatus

Definition at line 3916 of file stm32l4xx_hal_i2c.c.

static HAL_StatusTypeDef I2C_WaitOnTXISFlagUntilTimeout ( I2C_HandleTypeDef *  hi2c,
uint32_t  Timeout 
) [static]

This function handles I2C Communication Timeout for specific usage of TXIS flag.

Parameters:
hi2c: Pointer to a I2C_HandleTypeDef structure that contains the configuration information for the specified I2C.
Timeout,:Timeout duration
Return values:
HALstatus

Definition at line 3879 of file stm32l4xx_hal_i2c.c.

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