Why does Arduino have separate TWI and Wire library? Why can't they be merged?

Projects Programming
1

Pardon me if my understanding is shallow. TWI and Wire library are for the I2C interface. Why can't they be merged into a single library to keep things simple? What is the difference between TWI and Wire library?

2

Someone needs to write it ...

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3

robtillaart:
Someone needs to write it ...

you might check - http://www.dsscircuits.com/articles/arduino-i2c-master-library -

Thanks. It looks good but it does not support i2c slave.