C++ (Cpp) stm32_i2cbus_uninitialize Exemples

Exemple #1

Fichier : stm32_sht10.c Projet : lodius/nuttx

int stm32_sht10initialize(FAR const char *devpath)
{
  FAR struct i2c_master_s *i2c;
  int ret;

 

  /* Get an instance of the I2C1 interface */

  i2c =  stm32_i2cbus_initialize(1);
  if (!i2c)
    {
      return -ENODEV;
    }

  /* Then register the temperature sensor */

  ret = sht10_register(devpath, i2c,0x00);
  if (ret < 0)
    {
      (void)stm32_i2cbus_uninitialize(i2c);
    }

  return ret;
}

Exemple #2

Fichier : stm32_appinit.c Projet : a1ien/nuttx

static void stm32_i2c_register(int bus)
{
  FAR struct i2c_master_s *i2c;
  int ret;

  i2c = stm32_i2cbus_initialize(bus);
  if (i2c == NULL)
    {
      _err("ERROR: Failed to get I2C%d interface\n", bus);
    }
  else
    {
      ret = i2c_register(i2c, bus);
      if (ret < 0)
        {
          _err("ERROR: Failed to register I2C%d driver: %d\n", bus, ret);
          stm32_i2cbus_uninitialize(i2c);
        }
    }
}