I2C_BIT_WREL0
em_clear_set_bit(priv, I2C_BIT_WTIM0, I2C_BIT_WREL0, I2C_OFS_IICC0);
em_clear_set_bit(priv, 0, I2C_BIT_WREL0, I2C_OFS_IICC0);
em_clear_set_bit(priv, I2C_BIT_WTIM0, I2C_BIT_WREL0,