Open HokieGeek opened 9 years ago
I would rather not have to resort to bit banging
Exact example of using USI to drive a 595: https://github.com/JChristensen/tinySPI
See section 15 of the attiny85 datasheet
USICS0 = 1
Create a USI class that SPI wraps around.
Need
http://www.atmel.com/Images/doc2582.pdf http://www.atmel.com/images/doc2585.pdf http://maxembedded.com/2013/11/the-spi-of-the-avr/#Code https://www.arduino.cc/en/Reference/SPITransfer
I would rather not have to resort to bit banging