Hello, A little question : does someone know if the I2C write function only in the outgoing buffer and then the data is send in background while the program runs, or does the program stop until the data is send ? I hope my question is clear... Thank you :)
PS : because I'm thinking about making a huge led matrix made of little 8*8 matrix driven by atmega8 modules. And I dont want the main µC to loose time sending data to atmega8. I found something to put I2C at 400kHz instead of 100kHz to make things go faster, too.