tms320c6720的底层驱动，包括DMAX，MCASP，EMIF，SPI，已优化过-tms320c6720 hardware driver,include DMAX,MCASP,EMIF,and SPI.

自己写的tms320c6720 spi slave加载，主机为8051，加载速度非常慢，不过可以为大家提供参考-Wrote it myself tms320c6720 spi slave load, the host for the 8051, load speed is very slow, but you can provide a reference for everyone