FLAG_management
[I2C Exported Functions]

Clear Address Matched flag.

ICR ADDRCF LL_I2C_ClearFlag_ADDR

Parameters:

I2Cx	I2C Instance.

Return values:

None

Definition at line 1694 of file stm32l4xx_ll_i2c.h.

Clear Arbitration lost flag.

ICR ARLOCF LL_I2C_ClearFlag_ARLO

Parameters:

I2Cx	I2C Instance.

Return values:

None

Definition at line 1750 of file stm32l4xx_ll_i2c.h.

Clear Bus error flag.

ICR BERRCF LL_I2C_ClearFlag_BERR

Parameters:

I2Cx	I2C Instance.

Return values:

None

Definition at line 1739 of file stm32l4xx_ll_i2c.h.

Clear Not Acknowledge flag.

ICR NACKCF LL_I2C_ClearFlag_NACK

Parameters:

I2Cx	I2C Instance.

Return values:

None

Definition at line 1705 of file stm32l4xx_ll_i2c.h.

Clear Overrun/Underrun flag.

ICR OVRCF LL_I2C_ClearFlag_OVR

Parameters:

I2Cx	I2C Instance.

Return values:

None

Definition at line 1761 of file stm32l4xx_ll_i2c.h.

Clear Stop detection flag.

ICR STOPCF LL_I2C_ClearFlag_STOP

Parameters:

I2Cx	I2C Instance.

Return values:

None

Definition at line 1716 of file stm32l4xx_ll_i2c.h.

Clear Transmit data register empty flag (TXE).

Note:

This bit can be clear by software in order to flush the transmit data register (TXDR). ISR TXE LL_I2C_ClearFlag_TXE

Parameters:

I2Cx	I2C Instance.

Return values:

None

Definition at line 1728 of file stm32l4xx_ll_i2c.h.

Clear SMBus Alert flag.

Note:

Macro IS_SMBUS_ALL_INSTANCE(I2Cx) can be used to check whether or not SMBus feature is supported by the I2Cx Instance. ICR ALERTCF LL_I2C_ClearSMBusFlag_ALERT

Parameters:

I2Cx	I2C Instance.

Return values:

None

Definition at line 1846 of file stm32l4xx_ll_i2c.h.

Clear SMBus PEC error flag.

Note:

Macro IS_SMBUS_ALL_INSTANCE(I2Cx) can be used to check whether or not SMBus feature is supported by the I2Cx Instance. ICR PECCF LL_I2C_ClearSMBusFlag_PECERR

Parameters:

I2Cx	I2C Instance.

Return values:

None

Definition at line 1820 of file stm32l4xx_ll_i2c.h.

Clear SMBus Timeout detection flag.

Note:

Macro IS_SMBUS_ALL_INSTANCE(I2Cx) can be used to check whether or not SMBus feature is supported by the I2Cx Instance. ICR TIMOUTCF LL_I2C_ClearSMBusFlag_TIMEOUT

Parameters:

I2Cx	I2C Instance.

Return values:

None

Definition at line 1833 of file stm32l4xx_ll_i2c.h.

Indicate the status of Address matched flag (slave mode).

Note:

RESET: Clear default value. SET: When the received slave address matched with one of the enabled slave address. ISR ADDR LL_I2C_IsActiveFlag_ADDR

Parameters:

I2Cx	I2C Instance.

Return values:

State

of bit (1 or 0).

Definition at line 1579 of file stm32l4xx_ll_i2c.h.

Indicate the status of Arbitration lost flag.

Note:

RESET: Clear default value. SET: When arbitration lost. ISR ARLO LL_I2C_IsActiveFlag_ARLO

Parameters:

I2Cx	I2C Instance.

Return values:

State

of bit (1 or 0).

Definition at line 1657 of file stm32l4xx_ll_i2c.h.

Indicate the status of Bus error flag.

Note:

RESET: Clear default value. SET: When a misplaced Start or Stop condition is detected. ISR BERR LL_I2C_IsActiveFlag_BERR

Parameters:

I2Cx	I2C Instance.

Return values:

State

of bit (1 or 0).

Definition at line 1644 of file stm32l4xx_ll_i2c.h.

Indicate the status of Bus Busy flag.

Note:

RESET: Clear default value. SET: When a Start condition is detected. ISR BUSY LL_I2C_IsActiveFlag_BUSY

Parameters:

I2Cx	I2C Instance.

Return values:

State

of bit (1 or 0).

Definition at line 1683 of file stm32l4xx_ll_i2c.h.

Indicate the status of Not Acknowledge received flag.

Note:

RESET: Clear default value. SET: When a NACK is received after a byte transmission. ISR NACKF LL_I2C_IsActiveFlag_NACK

Parameters:

I2Cx	I2C Instance.

Return values:

State

of bit (1 or 0).

Definition at line 1592 of file stm32l4xx_ll_i2c.h.

Indicate the status of Overrun/Underrun flag (slave mode).

Note:

RESET: Clear default value. SET: When an overrun/underrun error occurs (Clock Stretching Disabled). ISR OVR LL_I2C_IsActiveFlag_OVR

Parameters:

I2Cx	I2C Instance.

Return values:

State

of bit (1 or 0).

Definition at line 1670 of file stm32l4xx_ll_i2c.h.

Indicate the status of Receive data register not empty flag.

Note:

RESET: When Receive data register is read. SET: When the received data is copied in Receive data register. ISR RXNE LL_I2C_IsActiveFlag_RXNE

Parameters:

I2Cx	I2C Instance.

Return values:

State

of bit (1 or 0).

Definition at line 1566 of file stm32l4xx_ll_i2c.h.

Indicate the status of Stop detection flag.

Note:

RESET: Clear default value. SET: When a Stop condition is detected. ISR STOPF LL_I2C_IsActiveFlag_STOP

Parameters:

I2Cx	I2C Instance.

Return values:

State

of bit (1 or 0).

Definition at line 1605 of file stm32l4xx_ll_i2c.h.

Indicate the status of Transfer complete flag (master mode).

Note:

RESET: Clear default value. SET: When RELOAD=0, AUTOEND=0 and NBYTES date have been transferred. ISR TC LL_I2C_IsActiveFlag_TC

Parameters:

I2Cx	I2C Instance.

Return values:

State

of bit (1 or 0).

Definition at line 1618 of file stm32l4xx_ll_i2c.h.

Indicate the status of Transfer complete flag (master mode).

Note:

RESET: Clear default value. SET: When RELOAD=1 and NBYTES date have been transferred. ISR TCR LL_I2C_IsActiveFlag_TCR

Parameters:

I2Cx	I2C Instance.

Return values:

State

of bit (1 or 0).

Definition at line 1631 of file stm32l4xx_ll_i2c.h.

Indicate the status of Transmit data register empty flag.

Note:

RESET: When next data is written in Transmit data register. SET: When Transmit data register is empty. ISR TXE LL_I2C_IsActiveFlag_TXE

Parameters:

I2Cx	I2C Instance.

Return values:

State

of bit (1 or 0).

Definition at line 1540 of file stm32l4xx_ll_i2c.h.

Indicate the status of Transmit interrupt flag.

Note:

RESET: When next data is written in Transmit data register. SET: When Transmit data register is empty. ISR TXIS LL_I2C_IsActiveFlag_TXIS

Parameters:

I2Cx	I2C Instance.

Return values:

State

of bit (1 or 0).

Definition at line 1553 of file stm32l4xx_ll_i2c.h.

Indicate the status of SMBus alert flag.

Note:

Macro IS_SMBUS_ALL_INSTANCE(I2Cx) can be used to check whether or not SMBus feature is supported by the I2Cx Instance.

RESET: Clear default value. SET: When SMBus host configuration, SMBus alert enabled and a falling edge event occurs on SMBA pin. ISR ALERT LL_I2C_IsActiveSMBusFlag_ALERT

Parameters:

I2Cx	I2C Instance.

Return values:

State

of bit (1 or 0).

Definition at line 1807 of file stm32l4xx_ll_i2c.h.

Indicate the status of SMBus PEC error flag in reception.

Note:

Macro IS_SMBUS_ALL_INSTANCE(I2Cx) can be used to check whether or not SMBus feature is supported by the I2Cx Instance.

RESET: Clear default value. SET: When the received PEC does not match with the PEC register content. ISR PECERR LL_I2C_IsActiveSMBusFlag_PECERR

Parameters:

I2Cx	I2C Instance.

Return values:

State

of bit (1 or 0).

Definition at line 1776 of file stm32l4xx_ll_i2c.h.

Indicate the status of SMBus Timeout detection flag.

Note:

Macro IS_SMBUS_ALL_INSTANCE(I2Cx) can be used to check whether or not SMBus feature is supported by the I2Cx Instance.

RESET: Clear default value. SET: When a timeout or extended clock timeout occurs. ISR TIMEOUT LL_I2C_IsActiveSMBusFlag_TIMEOUT

Parameters:

I2Cx	I2C Instance.

Return values:

State

of bit (1 or 0).

Definition at line 1791 of file stm32l4xx_ll_i2c.h.