SMBUS Private Functions

Data transfers Private functions. More...

Functions
static HAL_StatusTypeDef	SMBUS_WaitOnFlagUntilTimeout (SMBUS_HandleTypeDef *hsmbus, uint32_t Flag, FlagStatus Status, uint32_t Timeout)
	Handle SMBUS Communication Timeout.
static HAL_StatusTypeDef	SMBUS_Master_ISR (SMBUS_HandleTypeDef *hsmbus, uint32_t StatusFlags)
	Interrupt Sub-Routine which handle the Interrupt Flags Master Mode.
static HAL_StatusTypeDef	SMBUS_Slave_ISR (SMBUS_HandleTypeDef *hsmbus, uint32_t StatusFlags)
	Interrupt Sub-Routine which handle the Interrupt Flags Slave Mode.
static void	SMBUS_ITErrorHandler (SMBUS_HandleTypeDef *hsmbus)
	SMBUS interrupts error handler.
static void	SMBUS_Enable_IRQ (SMBUS_HandleTypeDef *hsmbus, uint32_t InterruptRequest)
	Manage the enabling of Interrupts.
static void	SMBUS_Disable_IRQ (SMBUS_HandleTypeDef *hsmbus, uint32_t InterruptRequest)
	Manage the disabling of Interrupts.
static void	SMBUS_Flush_TXDR (SMBUS_HandleTypeDef *hsmbus)
	SMBUS Tx data register flush process.
static void	SMBUS_TransferConfig (SMBUS_HandleTypeDef *hsmbus, uint16_t DevAddress, uint8_t Size, uint32_t Mode, uint32_t Request)
	Handle SMBUSx communication when starting transfer or during transfer (TC or TCR flag are set).
static void	SMBUS_ConvertOtherXferOptions (SMBUS_HandleTypeDef *hsmbus)
	Convert SMBUSx OTHER_xxx XferOptions to functional XferOptions.

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Detailed Description

Data transfers Private functions.

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Function Documentation

static void SMBUS_ConvertOtherXferOptions

(

SMBUS_HandleTypeDef *

hsmbus

)

[static]

Convert SMBUSx OTHER_xxx XferOptions to functional XferOptions.

Parameters:

hsmbus

SMBUS handle.

Return values:

None

Definition at line 2740 of file stm32l4xx_hal_smbus.c.

References SMBUS_FIRST_AND_LAST_FRAME_NO_PEC, SMBUS_FIRST_AND_LAST_FRAME_WITH_PEC, SMBUS_FIRST_FRAME, SMBUS_OTHER_AND_LAST_FRAME_NO_PEC, SMBUS_OTHER_AND_LAST_FRAME_WITH_PEC, SMBUS_OTHER_FRAME_NO_PEC, SMBUS_OTHER_FRAME_WITH_PEC, SMBUS_SENDPEC_MODE, and __SMBUS_HandleTypeDef::XferOptions.

Referenced by HAL_SMBUS_Master_Receive_IT(), HAL_SMBUS_Master_Transmit_IT(), HAL_SMBUS_Slave_Receive_IT(), and HAL_SMBUS_Slave_Transmit_IT().

static void SMBUS_Disable_IRQ	(	SMBUS_HandleTypeDef *	hsmbus,
		uint32_t	InterruptRequest
	)		[static]

Manage the disabling of Interrupts.

Parameters:

hsmbus	Pointer to a SMBUS_HandleTypeDef structure that contains the configuration information for the specified SMBUS.
InterruptRequest	Value of SMBUS Interrupt configuration definition.

Return values:

HAL

status

Definition at line 2464 of file stm32l4xx_hal_smbus.c.

References __HAL_SMBUS_DISABLE_IT, HAL_SMBUS_STATE_LISTEN, HAL_SMBUS_STATE_READY, SMBUS_GET_ALERT_ENABLED, SMBUS_IT_ADDR, SMBUS_IT_ADDRI, SMBUS_IT_ALERT, SMBUS_IT_ERRI, SMBUS_IT_NACKI, SMBUS_IT_RX, SMBUS_IT_RXI, SMBUS_IT_STOPI, SMBUS_IT_TCI, SMBUS_IT_TX, SMBUS_IT_TXI, and __SMBUS_HandleTypeDef::State.

Referenced by HAL_SMBUS_DisableAlert_IT(), HAL_SMBUS_DisableListen_IT(), HAL_SMBUS_Slave_Receive_IT(), HAL_SMBUS_Slave_Transmit_IT(), SMBUS_Master_ISR(), and SMBUS_Slave_ISR().

static void SMBUS_Enable_IRQ	(	SMBUS_HandleTypeDef *	hsmbus,
		uint32_t	InterruptRequest
	)		[static]

Manage the enabling of Interrupts.

Parameters:

hsmbus	Pointer to a SMBUS_HandleTypeDef structure that contains the configuration information for the specified SMBUS.
InterruptRequest	Value of SMBUS Interrupt configuration definition.

Return values:

HAL

status

Definition at line 2424 of file stm32l4xx_hal_smbus.c.

References __HAL_SMBUS_ENABLE_IT, SMBUS_IT_ADDR, SMBUS_IT_ADDRI, SMBUS_IT_ALERT, SMBUS_IT_ERRI, SMBUS_IT_NACKI, SMBUS_IT_RX, SMBUS_IT_RXI, SMBUS_IT_STOPI, SMBUS_IT_TCI, SMBUS_IT_TX, and SMBUS_IT_TXI.

Referenced by HAL_SMBUS_EnableAlert_IT(), HAL_SMBUS_EnableListen_IT(), HAL_SMBUS_Master_Abort_IT(), HAL_SMBUS_Master_Receive_IT(), HAL_SMBUS_Master_Transmit_IT(), HAL_SMBUS_Slave_Receive_IT(), and HAL_SMBUS_Slave_Transmit_IT().

static void SMBUS_Flush_TXDR

(

SMBUS_HandleTypeDef *

hsmbus

)

[static]

SMBUS Tx data register flush process.

Parameters:

hsmbus

SMBUS handle.

Return values:

None

Definition at line 2681 of file stm32l4xx_hal_smbus.c.

References __HAL_SMBUS_CLEAR_FLAG, __HAL_SMBUS_GET_FLAG, __SMBUS_HandleTypeDef::Instance, SMBUS_FLAG_TXE, and SMBUS_FLAG_TXIS.

Referenced by SMBUS_ITErrorHandler(), SMBUS_Master_ISR(), and SMBUS_Slave_ISR().

static void SMBUS_ITErrorHandler

(

SMBUS_HandleTypeDef *

hsmbus

)

[static]

SMBUS interrupts error handler.

Parameters:

hsmbus

SMBUS handle.

Return values:

None

Definition at line 2536 of file stm32l4xx_hal_smbus.c.

References __HAL_SMBUS_CLEAR_FLAG, __SMBUS_HandleTypeDef::ErrorCallback, __SMBUS_HandleTypeDef::ErrorCode, HAL_SMBUS_ERROR_ACKF, HAL_SMBUS_ERROR_ALERT, HAL_SMBUS_ERROR_ARLO, HAL_SMBUS_ERROR_BERR, HAL_SMBUS_ERROR_BUSTIMEOUT, HAL_SMBUS_ERROR_NONE, HAL_SMBUS_ERROR_OVR, HAL_SMBUS_ERROR_PECERR, HAL_SMBUS_ErrorCallback(), HAL_SMBUS_STATE_LISTEN, HAL_SMBUS_STATE_READY, HAL_SMBUS_STATE_SLAVE_BUSY_RX, HAL_SMBUS_STATE_SLAVE_BUSY_TX, __SMBUS_HandleTypeDef::Instance, __SMBUS_HandleTypeDef::PreviousState, SMBUS_FLAG_ALERT, SMBUS_FLAG_ARLO, SMBUS_FLAG_BERR, SMBUS_FLAG_OVR, SMBUS_FLAG_PECERR, SMBUS_FLAG_TIMEOUT, SMBUS_Flush_TXDR(), SMBUS_IT_ERRI, and __SMBUS_HandleTypeDef::State.

Referenced by HAL_SMBUS_ER_IRQHandler(), and SMBUS_Master_ISR().

static HAL_StatusTypeDef SMBUS_Master_ISR	(	SMBUS_HandleTypeDef *	hsmbus,
		uint32_t	StatusFlags
	)		[static]

Interrupt Sub-Routine which handle the Interrupt Flags Master Mode.

Parameters:

hsmbus	Pointer to a SMBUS_HandleTypeDef structure that contains the configuration information for the specified SMBUS.
StatusFlags	Value of Interrupt Flags.

Return values:

HAL

status

Definition at line 1866 of file stm32l4xx_hal_smbus.c.

References __HAL_SMBUS_CLEAR_FLAG, __HAL_SMBUS_DISABLE, __HAL_SMBUS_ENABLE, __SMBUS_HandleTypeDef::ErrorCallback, __SMBUS_HandleTypeDef::ErrorCode, HAL_SMBUS_ERROR_ACKF, HAL_SMBUS_ErrorCallback(), HAL_SMBUS_MasterRxCpltCallback(), HAL_SMBUS_MasterTxCpltCallback(), HAL_SMBUS_STATE_MASTER_BUSY_RX, HAL_SMBUS_STATE_MASTER_BUSY_TX, HAL_SMBUS_STATE_READY, __SMBUS_HandleTypeDef::Instance, __SMBUS_HandleTypeDef::MasterRxCpltCallback, __SMBUS_HandleTypeDef::MasterTxCpltCallback, MAX_NBYTE_SIZE, __SMBUS_HandleTypeDef::pBuffPtr, __SMBUS_HandleTypeDef::PreviousState, SMBUS_AUTOEND_MODE, SMBUS_CHECK_FLAG, SMBUS_Disable_IRQ(), SMBUS_FLAG_AF, SMBUS_FLAG_RXNE, SMBUS_FLAG_STOPF, SMBUS_FLAG_TC, SMBUS_FLAG_TCR, SMBUS_FLAG_TXIS, SMBUS_Flush_TXDR(), SMBUS_GET_PEC_MODE, SMBUS_GET_STOP_MODE, SMBUS_IT_RX, SMBUS_IT_TX, SMBUS_ITErrorHandler(), SMBUS_NO_STARTSTOP, SMBUS_RELOAD_MODE, SMBUS_RESET_CR2, SMBUS_SENDPEC_MODE, SMBUS_TransferConfig(), __SMBUS_HandleTypeDef::State, __SMBUS_HandleTypeDef::XferCount, __SMBUS_HandleTypeDef::XferOptions, and __SMBUS_HandleTypeDef::XferSize.

Referenced by HAL_SMBUS_EV_IRQHandler().

static HAL_StatusTypeDef SMBUS_Slave_ISR	(	SMBUS_HandleTypeDef *	hsmbus,
		uint32_t	StatusFlags
	)		[static]

Interrupt Sub-Routine which handle the Interrupt Flags Slave Mode.

Parameters:

hsmbus	Pointer to a SMBUS_HandleTypeDef structure that contains the configuration information for the specified SMBUS.
StatusFlags	Value of Interrupt Flags.

Return values:

HAL

status

Definition at line 2156 of file stm32l4xx_hal_smbus.c.

References __HAL_SMBUS_CLEAR_FLAG, __HAL_SMBUS_DISABLE_IT, __HAL_SMBUS_GET_FLAG, __SMBUS_HandleTypeDef::AddrCallback, __SMBUS_HandleTypeDef::ErrorCallback, __SMBUS_HandleTypeDef::ErrorCode, HAL_SMBUS_AddrCallback(), HAL_SMBUS_ERROR_ACKF, HAL_SMBUS_ErrorCallback(), HAL_SMBUS_ListenCpltCallback(), HAL_SMBUS_SlaveRxCpltCallback(), HAL_SMBUS_SlaveTxCpltCallback(), HAL_SMBUS_STATE_LISTEN, HAL_SMBUS_STATE_READY, HAL_SMBUS_STATE_SLAVE_BUSY_RX, HAL_SMBUS_STATE_SLAVE_BUSY_TX, __SMBUS_HandleTypeDef::Instance, __SMBUS_HandleTypeDef::ListenCpltCallback, MAX_NBYTE_SIZE, __SMBUS_HandleTypeDef::pBuffPtr, __SMBUS_HandleTypeDef::PreviousState, __SMBUS_HandleTypeDef::SlaveRxCpltCallback, __SMBUS_HandleTypeDef::SlaveTxCpltCallback, SMBUS_CHECK_FLAG, SMBUS_Disable_IRQ(), SMBUS_FLAG_ADDR, SMBUS_FLAG_AF, SMBUS_FLAG_RXNE, SMBUS_FLAG_STOPF, SMBUS_FLAG_TCR, SMBUS_FLAG_TXIS, SMBUS_Flush_TXDR(), SMBUS_GET_ADDR_MATCH, SMBUS_GET_DIR, SMBUS_GET_PEC_MODE, SMBUS_IT_ADDR, SMBUS_IT_ADDRI, SMBUS_IT_RX, SMBUS_IT_TX, SMBUS_NO_STARTSTOP, SMBUS_RELOAD_MODE, SMBUS_RESET_CR2, SMBUS_SENDPEC_MODE, SMBUS_TransferConfig(), __SMBUS_HandleTypeDef::State, __SMBUS_HandleTypeDef::XferCount, __SMBUS_HandleTypeDef::XferOptions, and __SMBUS_HandleTypeDef::XferSize.

Referenced by HAL_SMBUS_EV_IRQHandler().

static void SMBUS_TransferConfig	(	SMBUS_HandleTypeDef *	hsmbus,
		uint16_t	DevAddress,
		uint8_t	Size,
		uint32_t	Mode,
		uint32_t	Request
	)		[static]

Handle SMBUSx communication when starting transfer or during transfer (TC or TCR flag are set).

Parameters:

hsmbus	SMBUS 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 SMBUS START condition generation. This parameter can be one or a combination of the following values: SMBUS_RELOAD_MODE Enable Reload mode. SMBUS_AUTOEND_MODE Enable Automatic end mode. SMBUS_SOFTEND_MODE Enable Software end mode and Reload mode. SMBUS_SENDPEC_MODE Enable Packet Error Calculation mode.
Request	New state of the SMBUS START condition generation. This parameter can be one of the following values: SMBUS_NO_STARTSTOP Don't Generate stop and start condition. SMBUS_GENERATE_STOP Generate stop condition (Size should be set to 0). SMBUS_GENERATE_START_READ Generate Restart for read request. SMBUS_GENERATE_START_WRITE Generate Restart for write request.

Return values:

None

Definition at line 2717 of file stm32l4xx_hal_smbus.c.

References assert_param, __SMBUS_HandleTypeDef::Instance, IS_SMBUS_TRANSFER_MODE, and IS_SMBUS_TRANSFER_REQUEST.

Referenced by HAL_SMBUS_Master_Abort_IT(), HAL_SMBUS_Master_Receive_IT(), HAL_SMBUS_Master_Transmit_IT(), HAL_SMBUS_Slave_Receive_IT(), HAL_SMBUS_Slave_Transmit_IT(), SMBUS_Master_ISR(), and SMBUS_Slave_ISR().

static HAL_StatusTypeDef SMBUS_WaitOnFlagUntilTimeout	(	SMBUS_HandleTypeDef *	hsmbus,
		uint32_t	Flag,
		FlagStatus	Status,
		uint32_t	Timeout
	)		[static]

Handle SMBUS Communication Timeout.

Parameters:

hsmbus	Pointer to a SMBUS_HandleTypeDef structure that contains the configuration information for the specified SMBUS.
Flag	Specifies the SMBUS flag to check.
Status	The new Flag status (SET or RESET).
Timeout	Timeout duration

Return values:

HAL

status

Definition at line 2646 of file stm32l4xx_hal_smbus.c.

References __HAL_SMBUS_GET_FLAG, __SMBUS_HandleTypeDef::ErrorCode, HAL_GetTick(), HAL_SMBUS_ERROR_HALTIMEOUT, HAL_SMBUS_STATE_READY, __SMBUS_HandleTypeDef::PreviousState, and __SMBUS_HandleTypeDef::State.

Referenced by HAL_SMBUS_IsDeviceReady().