Re: listening to rs485 serial port on BL4S200
| Newsgroups | gmane.comp.hardware.rabbit-semiconductor |
|---|---|
| Message-ID | <[email protected]> |
Hi Stev, I will do that tomorrow morning. --- Mircea Neacsu T: 514-694-7158 M: 514-591-0329 E: [email protected] Sent in Morse code from my rotary phone > On Aug 10, 2016, at 23:38, S Sutikno [email protected] [rabbit-semi] <[email protected]> wrote: > > Hi Mircea, > > Can you share your code for modbus master. > Thanks. > Stev > >> On Thu, Aug 11, 2016 at 10:34 AM, [email protected] [rabbit-semi] <[email protected]> wrote: >> >> Hi Tom, >> >> You are right: he will have to build a small FSM in the the interrupt handler and that can notify the non-interrupt code when a message is waiting. Presumably it will also discard all traffic that is not destined to that slave (each slave has an address) and issue notifications only for properly addressed messages. >> >> It has to be however a fairly smart piece of code as it must time intervals shorter than the standard Rabbit "tick" (1/1024 sec). A possibility is to use one of the Rabbit timers. >> >> Cheers, >> Mircea >> > >