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我按照TI技术人员提供的SCI的DMA实现代码,能够实现SCI的DMA方式,根据TMS570手册中DMA章节的描述,在本例中,1个BLOCK含有64个Frame,1个Frame含有1个Element。
请问:1.如何将1个Frame设成含有多个Element的方式?
2本例是否是发送完一个Frame就会产生一个DMA请求,是否改用BLOCK触发模式,比FRAME触发模式效率更高,如何更改?