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Inter-integrated circuit interface (I2C)

UM1581

262/584

DocID023800 Rev 1

Return values

 None.

Notes

 None.

13.2.10.9 I2C_GetAddressMatched

Function Name

uint8_t I2C_GetAddressMatched ( I2C_TypeDef * I2Cx)

Function Description

Returns the I2C slave matched address .

Parameters

 I2Cx : where x can be 1 or 2 to select the I2C peripheral.

Return values

 The value of the slave matched address .

Notes

 None.

13.2.10.10 I2C_GetTransferDirection

Function Name

uint16_t I2C_GetTransferDirection ( I2C_TypeDef * I2Cx)

Function Description

Returns the I2C slave received request.

Parameters

 I2Cx : where x can be 1 or 2 to select the I2C peripheral.

Return values

 The value of the received request.

Notes

 None.

13.2.10.11 I2C_TransferHandling

Function Name

void I2C_TransferHandling ( I2C_TypeDef * I2Cx, uint16_t

Address, uint8_t Number_Bytes, uint32_t ReloadEndMode,

uint32_t StartStopMode)

Function Description

Handles I2Cx communication when starting transfer or during

transfer (TC or TCR flag are set).

Parameters

 I2Cx : where x can be 1 or 2 to select the I2C peripheral.

 Address : specifies the slave address to be programmed.

ST STM32F31xx User Manual

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