I have the same problem, but only when using multiple serial ports at higher baudrates. I use libmodbus including *MODBUS_ERROR_RECOVERY_PROTOCOL. * I notice many CRC errors and timeouts when using four serial ports together.
On Monday, August 26, 2013 8:37:42 AM UTC+2, pyro...@gmail.com wrote: > > Hi guys, > thanks for responses. > > Im developing soft in java, its simple and work already on many different > system and architectures. > This is simple: my program send query frame to custom device and device > sends reply with some data as modbus frame. > And here is problem. When i have baudrate > 2400 then some troubles seems > to appear. I know how many data should i get, for example i know that frame > will be 100 bytes but i receive 97bytes. > > I tried to use UART1 and UART2. Same problem on both. > Im using BBB, OS angstrom, kernel 3.8.13. > -- For more options, visit http://beagleboard.org/discuss --- You received this message because you are subscribed to the Google Groups "BeagleBoard" group. To unsubscribe from this group and stop receiving emails from it, send an email to beagleboard+unsubscr...@googlegroups.com. For more options, visit https://groups.google.com/groups/opt_out.