Posted on May 17, 2011 at 09:45I think you don't understand my question in case of transmitting data with a RS485 communication. 1.) before you send any data from the uart you have to switch on the tx enable line of the RS485 transceiver 2.) send o...
Posted on May 17, 2011 at 09:45Hi Andy, I can't use busy waiting, I need to control how fast as possible after (and before) trinsmitting a RX485 tx-enable pin in the interrupt handler. Other controllers like atmel avr have an tx emtpy or tx finished...
Posted on May 17, 2011 at 09:45I use uart interrupt and uart hardware fifo based transmitting and receiving on the ST912FW44. How can I get the information (an interrupt), if the uart transmit (hw fifo used) finished, after the the last byte is send...