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Enter non-interactive mode when piping to tio

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Add support for a non interactive mode which allows other application to
pipe data to tio which then forwards the data to the connected serial
device.

Non ineractive means that tio does not react to interactive key commands
in the incoming stream. This allows users to pipe binary data directly
to the connected serial device.

Example use:

$ cat commands.txt | tio /dev/ttyUSB0
This commit is contained in:
Martin Lund 2022-06-16 21:03:33 +02:00
parent a37ad26a88
commit dba77eb912
3 changed files with 27 additions and 9 deletions
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20
src/tty.c
View file

@ -63,6 +63,8 @@ extern int iossiospeed(int fd, int baudrate);
#define PATH_SERIAL_DEVICES "/dev/serial/by-id/"
#endif
bool interactive_mode = true;
static struct termios tio, tio_old, stdout_new, stdout_old, stdin_new, stdin_old;
static unsigned long rx_total = 0, tx_total = 0;
static bool connected = false;
@ -855,17 +857,21 @@ int tty_connect(void)
goto error_read;
}
/* Forward input to output except ctrl-t key */
/* Forward input to output */
output_char = input_char;
if (input_char == KEY_CTRL_T)
forward = false;
/* Handle commands */
handle_command_sequence(input_char, previous_char, &output_char, &forward);
if (interactive_mode)
{
/* Do not forward ctrl-t key */
if (input_char == KEY_CTRL_T)
forward = false;
/* Save previous key */
previous_char = input_char;
/* Handle commands */
handle_command_sequence(input_char, previous_char, &output_char, &forward);
/* Save previous key */
previous_char = input_char;
}
}
else
{