fI2CCookie
fI2CCookie(i2cCookie),
status_t status = fI2C->acquire_bus(fI2CCookie);
status = fI2C->exec_command(fI2CCookie, I2C_OP_READ_STOP, cmd, cmdLength,
fI2C->release_bus(fI2CCookie);
i2c_device fI2CCookie;
status_t status = fI2C->acquire_bus(fI2CCookie);
status = fI2C->exec_command(fI2CCookie, op, cmd, cmdLength, buffer, bufferLength);
fI2C->release_bus(fI2CCookie);
i2c_device fI2CCookie;