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TMS320F280049: 例程lin_ex3_sci_dma.c测试DMA问题

Part Number: TMS320F280049

 1、    设置接收在开始触发中断DMA_setInterruptMode(DMA_CH6_BASE, DMA_INT_AT_BEGINNING);(目的做计时Timeout)

当检测到不接收新数据时开始处理数据,由于接收的数据会比 TRANSFER小,   DMA_configTransfer(DMA_CH6_BASE, TRANSFER, -0, 1);

目前测试重新    DMA_startChannel(DMA_CH6_BASE);开始接收数据无法触发新中断,,实际测试很既需要清LIN也需要清DMA,请问具体需要清除那些寄存器,该怎么做