Messages in this thread | | | From | Milton Miller <> | Date | Tue, 09 Nov 2010 10:56:48 -0600 | Subject | (No subject header) |
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On Tue Nov 09 2010 around 02:27:38 EST, Ramya Desai wrote: > I did not understand the CRTSCTS preprocessor macro which is defined > in termbits.h file. .. > As per the typedefs defined in the beginning of the file, the c_cflag > is unsigned int member in the struct termios structure. The CRTSCTS is > defined in the file as a 48 bit value. > > #define CRTSCTS 020000000000 /* flow control */
That is not a 48 bit value.
> > I saw the following snippet in one of the serial applications. > > struct termios newtio; > newtio.c_cflag = B9600 | CRTSCTS | CS8 | CLOCAL | CREAD; > > My question is, the c_cflag is a 32 bit value member and the CRTSCTS > is a 48 bit value. How CRTSCTS is accommodates into c_cflag variable? > Please let me know, if my interpretation is wrong. > > Thanks in advance.
Hint: constants in C may be expressed in base 16, 10, or 8.
milton
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