stm32f7_i2c_write_fm_plus_bits
ret = stm32f7_i2c_write_fm_plus_bits(i2c_dev, true);
stm32f7_i2c_write_fm_plus_bits(i2c_dev, false);
stm32f7_i2c_write_fm_plus_bits(i2c_dev, false);
stm32f7_i2c_write_fm_plus_bits(i2c_dev, false);
stm32f7_i2c_write_fm_plus_bits(i2c_dev, true);