Posted on May 17, 2011 at 13:31Hi. thanks it works! I haven't read the manual carefully enough. It works fine to disable the DMA-channel, write the new size to the CNTDR and Enable the DMA channel again. no need to call the whole DMAInit function. I...
Posted on May 17, 2011 at 13:30Hi, thanks for the reply. Right, TXE shows that TDR is empty. After my DMA transfer to the UART peripheral is complete the TXE is already set. DO I have to reset or set another flag? What I want to do is to initiate an...
Posted on May 17, 2011 at 13:30Hi I just ran an modified USART example DMA_Interrupt from the StdPeriph_Examples. USART1 data sent by DMA and recieved by recieve-interrupt. It works fine the first time. but here's my question: how to trigger/start a...