we put another rs485 monitor device on the line (from docklight) and that one is also reporting a missing byteI converted my tx routine to use dma now, and the missing byte occurs there tooi don't see the breakpoint of one of the error flags being se...

My code looks similar to the code in this post.When I tx in main() , sometimes a byte is lost, the same as machinist posts in this thread, He mentioned that when he transmits in DMA mode, he had no problem. How can that be? The thing I can think of i...

it is some time ago you posted this,but i am running in the same issue. Were you receiving and sending single bytes in the continuous incoming stream, or were you able to buffer a couple of bytes and then send them with the dma transfer?Could you sha...