Re: serial connexion between 2 machines failed

2012-07-30 Thread CamaleĆ³n
On Sun, 29 Jul 2012 10:44:24 +0100, abdelkader belahcene wrote: (please, no html posts, thanks...) > Thanks a lot for the hint, > > the difference is there : > > on the machine where the programs ran i got the ouput: > # dmesg |grep ttyS > [0.331367] serial8250: ttyS0 at I/O 0x3f8 (irq =

Re: Re: serial connexion between 2 machines failed

2012-07-29 Thread Mike McClain
On Sun, Jul 29, 2012 at 10:44:24AM +0100, abdelkader belahcene wrote: > While on the machine where they didn't , > nothing is displayed , I mean > # dmesg |grep ttyS > # > > So How to activate the ports !!! thanks a lot I would start by checking the BIOS setup to be sure they are not disab

Re: Re: serial connexion between 2 machines failed

2012-07-29 Thread abdelkader belahcene
Thanks a lot for the hint, the difference is there : on the machine where the programs ran i got the ouput: # dmesg |grep ttyS [0.331367] serial8250: ttyS0 at I/O 0x3f8 (irq = 4) is a 16550A [0.640601] serial8250: ttyS1 at I/O 0x2f8 (irq = 3) is a 16550A [0.720856] 00:0d: ttyS0 at I

Re: serial connexion between 2 machines failed

2012-07-24 Thread Hartwig Atrops
Hi. On Tuesday 24 July 2012 16:41:57 abdelkader belahcene wrote: > Hi, > I wrote 2 programs in C to read from a serial port and to write in. > > When I used one machine, nullmodem ( output and input) the program ran > correcly, I wrote caracteres then I read them from the same port. ttyS0 > f

serial connexion between 2 machines failed

2012-07-24 Thread abdelkader belahcene
Hi, I wrote 2 programs in C to read from a serial port and to write in. When I used one machine, nullmodem ( output and input) the program ran correcly, I wrote caracteres then I read them from the same port. ttyS0 for example. they ran correctly when I used a machine with 2 serial ports t