On Sun, 16 Jan 2005, wyfchina2002 wrote: > > Hello, > I need to complete UART Comm using SPORT by DMA mode.The DSP I > use is SHARC 21062.when receiving data,I encounter one problem which > doesn't happen everytime .But sometimes the Cx register doesn't > decounter anymore.So no interrupt generates and the program won't go > into the receive interrupt service program and the communication > terminate. > HOW does this happened?and how can I fix it?plz help me. > thanks. > samuel Howdy Samuel, See if any other registers are being set to zero, like the IMx or EMx or ECx. The first 2 should not be a problem, but the last might be. Patience, persistence, truth, Dr. mike |