edmaParam.aCnt = 2;
edmaParam.bCnt = 8;
edmaParam.cCnt = 256;
这三个值,如下配置是否正确?
edmaParam.destCIdx
的值呢,是不是应该是 acnt * bcnt
的值呢,是不是应该是 acnt * bcnt
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这样配置是256个同步事件去触发,每个同步事件传输acnt*bcnt个二维数据。请参考下面TRM的图。
Figure 16-20. AB-Synchronized Transfers (ACNT = n, BCNT = 4, CCNT = 3)
https://www.ti.com/lit/ug/spruhz6l/spruhz6l.pdf