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| author | Michał Łyszczek <michal.lyszczek@bofc.pl> | 2021-01-25 00:45:29 +0100 |
|---|---|---|
| committer | Michał Łyszczek <michal.lyszczek@bofc.pl> | 2021-01-25 00:52:25 +0100 |
| commit | 18dd9908f17a0af378ded44075d266acf77c7730 (patch) | |
| tree | e9209d028eb2edb61d8917ef182c2b090ba46c30 | |
| parent | b5682c57099c285ccc7cabdf59b00d431981ea6a (diff) | |
| download | embedlog-18dd9908f17a0af378ded44075d266acf77c7730.tar.gz embedlog-18dd9908f17a0af378ded44075d266acf77c7730.tar.bz2 embedlog-18dd9908f17a0af378ded44075d266acf77c7730.zip | |
examples/print-tty.c: use termios conditionally
Some systems might now have termios enabled, so let's not
force it.
Signed-off-by: Michał Łyszczek <michal.lyszczek@bofc.pl>
| -rw-r--r-- | examples/print-tty.c | 17 |
1 files changed, 16 insertions, 1 deletions
diff --git a/examples/print-tty.c b/examples/print-tty.c index 889afe3..193e6e7 100644 --- a/examples/print-tty.c +++ b/examples/print-tty.c @@ -4,7 +4,14 @@ ========================================================================== */ #include "embedlog.h" -#include <termios.h> + +#if HAVE_CONFIG_H +# include "config.h" +#endif + +#if HAVE_TERMIOS_H +# include <termios.h> +#endif #ifdef EMBEDLOG_DEMO_LIBRARY int el_demo_print_tty(void) @@ -20,11 +27,19 @@ int main(void) * output to serial device. */ el_option(EL_OUT, EL_OUT_TTY); +#if HAVE_TERMIOS_H /* enbaling tty output is not enough, we still need to * configure which device we want to use and at what speed. * Transmission parameters are 8N1 by default. Baudrate should * be taken from termios (3). */ if (el_option(EL_TTY_DEV, "/dev/ttyUSB1", B9600) != 0) +#else + /* if termios is not available on your system, you can specify + * 0 as baund rate, this will tell embedlog not to configure + * serial port and use it as is - ie. it can be configured + * at system startup or even during compile time */ + if (el_option(EL_TTY_DEV, "/dev/ttyUSB1", 0) != 0) +#endif { perror("tty set failed"); el_cleanup(); |