On Friday 30 July 2004 16:56, Tang Hai Tuan Minh 
wrote:
> http://www.easysw.com/~mike/serial/serial.html#
>2_5_4
>
> Ddoa'n mo` thui vi` /me chu+a bao gio+` vie^'t
> program na`o dde^? access serial port ca?
> (ngu+o+.ng qua' :D ), nhung hi`nh nhu+ ba'c
> thu+? open file ba(`ng
>
> fd = open("/dev/ttyS0", O_RDWR | O_NOCTTY |
> O_NDELAY);
>
> thay vi`
>
> fd = open("/dev/ttyS0", O_RDWR | O_NOCTTY)
>

Ca'm o+n ba'c Tua^'n! Ba'c "ddoa'n mo`" tha^.t la` 
chi'nh xa'c. ;)
Ca'c ba'c cho em ho?i the^m ca^u nu+~a\.

Tu+` trang web [php] go.i xuo^'ng mo^.t chu+o+ng 
tri`nh kha'c. Chu+o+ng tri`nh na`y truy xua^'t ra 
pha^`n cu+'ng "/dev/ttyS0" va` khoa?ng 1.5 gia^y 
sau thi`no' tra? ke^'t qua? ve^`. Em du`ng ke^'t 
qua? na`y hie^?n thi` le^n trang web.
Gia? su+? trong khoa?ng 1.5 gia^y ddo' co' the^m 1 
mo^.t ngu+o+`i nu+~a truy sua^'t va`o trang ddo' 
thi` chuye^.n gi` se~ xa?y ra?

1. Cho+` cho ye^u ca^`u thu+' nha^t ddu+o+.c dda'p 
u+'ng xong ro^`i mo+'i to+'i ye^u ca^`u thu+' hai

2. Chu+o+ng tri`nh ba'o lo^~i la` kho^ng the^? 
mo+? ddu+o+.c "/dev/ttyS0"

Xin ho?i la`m sao dde^? kho^ng cho kha? na(ng 
thu+' hai xa?y ra\.
-- 
hoalu


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