1.3.2.4.7 I2C_BB_IsBusy Function

bool I2C_BB_IsBusy(void)

Returns the state of the library.

This function returns if the library is busy performing a read/write operation.

This API can be used to poll for the state of library if no callback is registered.

I2C_BB_Initialize must have been called for the associated I²C instance.

None.

True - If busy performing Read or Write operation.

False - If ready to accept new Read or Write request.

I2C_BB_Initialize();

if(I2C_BB_WriteRead( SLAVE_ADDR, &myTxData[0], NUM_TX_BYTES, myRxData, NUM_RX_BYTES ) == false)
{
    // error handling
}

while (I2C_BB_IsBusy() == true)
{
    //I2C transfer is in progress
}

None.