BIT_DMA_TSF_DONE_FB1
if (isr & (buf_num ? BIT_DMA_TSF_DONE_FB1 : BIT_DMA_TSF_DONE_FB2)) {
if ((status & BIT_DMA_TSF_DONE_FB1) &&
} else if (status & BIT_DMA_TSF_DONE_FB1) {
if ((status & BIT_DMA_TSF_DONE_FB1) ||