* I2C_BACKEND_BUILTIN: Use (if present) the builtin i2c hardware.
* I2C_BACKEND_BITBANG: Use the emulated bitbang driver.
* \see drv/i2c.h for more information.
*
* I2C_BACKEND_BUILTIN: Use (if present) the builtin i2c hardware.
* I2C_BACKEND_BITBANG: Use the emulated bitbang driver.
* \see drv/i2c.h for more information.
*