HAL State structure definition. More...

Collaboration diagram for HAL state structure definition:

Enumerations
enum	HAL_I2C_StateTypeDef { HAL_I2C_STATE_RESET = 0x00U , HAL_I2C_STATE_READY = 0x20U , HAL_I2C_STATE_BUSY = 0x24U , HAL_I2C_STATE_BUSY_TX = 0x21U , HAL_I2C_STATE_BUSY_RX = 0x22U , HAL_I2C_STATE_LISTEN = 0x28U , HAL_I2C_STATE_BUSY_TX_LISTEN = 0x29U , HAL_I2C_STATE_BUSY_RX_LISTEN = 0x2AU , HAL_I2C_STATE_ABORT = 0x60U , HAL_I2C_STATE_TIMEOUT = 0xA0U , HAL_I2C_STATE_ERROR = 0xE0U }

Detailed Description

HAL State structure definition.

Note: HAL I2C State value coding follow below described bitmap : b7-b6 Error information 00 : No Error 01 : Abort (Abort user request on going) 10 : Timeout 11 : Error b5 Peripheral initialization status 0 : Reset (Peripheral not initialized) 1 : Init done (Peripheral initialized and ready to use. HAL I2C Init function called) b4 (not used) x : Should be set to 0 b3 0 : Ready or Busy (No Listen mode ongoing) 1 : Listen (Peripheral in Address Listen Mode) b2 Intrinsic process state 0 : Ready 1 : Busy (Peripheral busy with some configuration or internal operations) b1 Rx state 0 : Ready (no Rx operation ongoing) 1 : Busy (Rx operation ongoing) b0 Tx state 0 : Ready (no Tx operation ongoing) 1 : Busy (Tx operation ongoing)

Enumeration Type Documentation

Enumerator
HAL_I2C_STATE_RESET	Peripheral is not yet Initialized
HAL_I2C_STATE_READY	Peripheral Initialized and ready for use
HAL_I2C_STATE_BUSY	An internal process is ongoing
HAL_I2C_STATE_BUSY_TX	Data Transmission process is ongoing
HAL_I2C_STATE_BUSY_RX	Data Reception process is ongoing
HAL_I2C_STATE_LISTEN	Address Listen Mode is ongoing
HAL_I2C_STATE_BUSY_TX_LISTEN	Address Listen Mode and Data Transmission process is ongoing
HAL_I2C_STATE_BUSY_RX_LISTEN	Address Listen Mode and Data Reception process is ongoing
HAL_I2C_STATE_ABORT	Abort user request ongoing
HAL_I2C_STATE_TIMEOUT	Timeout state
HAL_I2C_STATE_ERROR	Error

Definition at line 106 of file stm32f4xx_hal_i2c.h.