sorry for all my disturbance - this was a hardware malfunction . the second serial port is bad by hardware.
Gad ----- Original Message ----- From: "Gad Hayisraeli" <[EMAIL PROTECTED]> To: "Linux-Arm-kernel List" <[EMAIL PROTECTED]> Sent: Sunday, January 27, 2002 7:42 PM Subject: serial connection with sa1110 - no response > i have a mediaEngine board from BSE, sa1110 based, with 2 serial ports - > /dev/ttySA0, SA1 > ( i use 2.4.17 kernel with appr. patches ) > i can use the SA0 to see debug info of the kerenl , to login thru it and its > fine. > but when i try to use minicom on this card, compiled to arm, i cannot see > anything on the minicom screen. > i investigated alot and discovered the the comm. device i'm trying to > connect to is a DTE (voltage on pin 2, zero on 3, ground on 5) and my arm > card is a DCE (voltage on pin 3, zero on 2, ground on 5) > when i tried to connect them in crossing metod (2 to 3 , 3 to 2) i did not > see anything, and neither in the straight way (2 to 2 , 3 to 3). offcourse > pin 5 to 5 always connected. > the connection between arm card and the PC is good,and also from the device > to the PC. > > (the device is a telephony cage of a provider, and has a serial output to > the PC that works fine. 3 cables -2,3,5 are connected to the device. the > comm settings are: 19200, 8N1, no flow control of any kind) > > what is wrong ? > > Gad > > > _______________________________________________ > http://lists.arm.linux.org.uk/mailman/listinfo/linux-arm-kernel > Please visit the above address for information on this list. _______________________________________________ http://lists.arm.linux.org.uk/mailman/listinfo/linux-arm Please visit the above address for information on this list.
