Spi-Library-for-atmega8_16_32_64_128

avr microcontroler by Winavr (GCC compiler ) and i like it. This library has the ability to change the spi unit while executing the code (master or slave). If you use this ability: Note that both spi at the same time are not configured as Master. Or use the proposed circuit For more information, please go to http://dastsazeman.blogfa.com/post/10