If you need RS232 , what my first choise is USB convert . since you need some chip convert from UART to RS232 , why not use USB ?
Maybe you can consider it 2013/10/1 Jesper We <[email protected]> > I needed a couple of RS232 ports for my BBB. However there seems to be a > shortage of RS232 capes in the world, Farnell is quoting over a month > delivery time. > But they had CAN-BUS capes in stock, and that's the same PCB. So I got a > couple of CAN-BUS cards and made the following modification: > > Moved the 0ohm jumpers from R1,R2,R38,R39,R48 to R26,R27,R42,R43,R49 > Mounted C12-C16 plus the U4 transceiver chip. > > So now I should effectively have a RS232 Cape on UART1. > > Except there seems to be some kind of board id in the little I2C EEPROM > that sits on the cape. > > The documentation at http://elinux.org/Capemgr has a link to a System > Reference Manual, but the link is dead. > > So... questions: > > Is there any utility to write to the cape EEPROM? > What is the correct boardname to store in the EEPROM for the RS232 cape? > Anyway to make the OS use the UART as a serial port without modifying the > cape EEPROM? > > /jesper > > -- > 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 [email protected]. > For more options, visit https://groups.google.com/groups/opt_out. > -- 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 [email protected]. For more options, visit https://groups.google.com/groups/opt_out.
