Enumerations
HAL I2C state
Peripheral Driver » HAL Driver » I2C » Enumerations
Collaboration diagram for HAL I2C state:

## Enumerations
enum | hal_i2c_state_t { 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 }
| HAL I2C State Enumerations definition. More...

## Detailed Description

## Enumeration Type Documentation

## ◆ hal_i2c_state_t

enum hal_i2c_state_t

HAL I2C State Enumerations 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     IP initilisation status
            0  : Reset (IP not initialized)
            1  : init done (IP 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 (IP in Address Listen Mode)
        b2     Intrinsic process state
            0  : Ready
            1  : Busy (IP 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)
      *

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 100 of file gr55xx_hal_i2c.h.