Introduction - If you have any usage issues, please Google them yourself
The program is a single chip microcomputer ATMEGA103, which USES The GPIO port to simulate The SPI bus protocol of The SPI bus protocol, The program is through The GPIO port ATMEGA103 Singlechip simulation SPI bus protocol of The SPI read and write function
Packet : 67506251spi_readwrite.rar filelist
SPI_ReadWrite.c