I2C_OPMASK_STOP
#define I2C_OP_STOP_P(x) (((int)(x) & I2C_OPMASK_STOP) != 0)
I2C_OP_READ_WITH_STOP = I2C_OPMASK_STOP,
I2C_OP_WRITE_WITH_STOP = I2C_OPMASK_WRITE | I2C_OPMASK_STOP,
I2C_OP_READ_BLOCK = I2C_OPMASK_BLKMODE | I2C_OPMASK_STOP,
I2C_OPMASK_STOP,