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Check for settings mismatch at startup

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Check for port-settings mismatch ate startup, and print a warning
message if found

Closes #78
This commit is contained in:
Nick Patavalis
2018-01-09 01:44:22 +02:00
parent 9b49043ee6
commit 6af9fe5633
1 changed files with 66 additions and 36 deletions
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102
picocom.c
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@ -893,12 +893,18 @@ stopbits_next (int bits)
return bits;
}
void
show_status ()
/**********************************************************************/
#define statpf(...) \
do { if (! quiet) fd_printf(__VA_ARGS__); } while(0)
int
show_status (int quiet)
{
int baud, bits, stopbits, mctl;
enum flowcntrl_e flow;
enum parity_e parity;
int mismatch = 0;
term_refresh(tty_fd);
@ -908,64 +914,79 @@ show_status ()
bits = term_get_databits(tty_fd);
stopbits = term_get_stopbits(tty_fd);
fd_printf(STO, "\r\n");
statpf(STO, "\r\n");
if ( baud != opts.baud ) {
fd_printf(STO, "*** baud: %d (%d)\r\n", opts.baud, baud);
mismatch++;
statpf(STO, "*** baud: %d (%d)\r\n", opts.baud, baud);
} else {
fd_printf(STO, "*** baud: %d\r\n", opts.baud);
statpf(STO, "*** baud: %d\r\n", opts.baud);
}
if ( flow != opts.flow ) {
fd_printf(STO, "*** flow: %s (%s)\r\n",
mismatch++;
statpf(STO, "*** flow: %s (%s)\r\n",
flow_str[opts.flow], flow_str[flow]);
} else {
fd_printf(STO, "*** flow: %s\r\n", flow_str[opts.flow]);
statpf(STO, "*** flow: %s\r\n", flow_str[opts.flow]);
}
if ( parity != opts.parity ) {
fd_printf(STO, "*** parity: %s (%s)\r\n",
mismatch++;
statpf(STO, "*** parity: %s (%s)\r\n",
parity_str[opts.parity], parity_str[parity]);
} else {
fd_printf(STO, "*** parity: %s\r\n", parity_str[opts.parity]);
statpf(STO, "*** parity: %s\r\n", parity_str[opts.parity]);
}
if ( bits != opts.databits ) {
fd_printf(STO, "*** databits: %d (%d)\r\n", opts.databits, bits);
mismatch++;
statpf(STO, "*** databits: %d (%d)\r\n", opts.databits, bits);
} else {
fd_printf(STO, "*** databits: %d\r\n", opts.databits);
statpf(STO, "*** databits: %d\r\n", opts.databits);
}
if ( stopbits != opts.stopbits ) {
fd_printf(STO, "*** stopbits: %d (%d)\r\n", opts.stopbits, stopbits);
mismatch++;
statpf(STO, "*** stopbits: %d (%d)\r\n", opts.stopbits, stopbits);
} else {
fd_printf(STO, "*** stopbits: %d\r\n", opts.stopbits);
statpf(STO, "*** stopbits: %d\r\n", opts.stopbits);
}
mctl = term_get_mctl(tty_fd);
if (mctl >= 0 && mctl != MCTL_UNAVAIL) {
if ( ((mctl & MCTL_DTR) ? 1 : 0) == dtr_up )
fd_printf(STO, "*** dtr: %s\r\n", dtr_up ? "up" : "down");
else
fd_printf(STO, "*** dtr: %s (%s)\r\n",
dtr_up ? "up" : "down",
(mctl & MCTL_DTR) ? "up" : "down");
if ( ((mctl & MCTL_RTS) ? 1 : 0) == rts_up )
fd_printf(STO, "*** rts: %s\r\n", rts_up ? "up" : "down");
else
fd_printf(STO, "*** rts: %s (%s)\r\n",
rts_up ? "up" : "down",
(mctl & MCTL_RTS) ? "up" : "down");
fd_printf(STO, "*** mctl: ");
fd_printf(STO, "DTR:%c DSR:%c DCD:%c RTS:%c CTS:%c RI:%c\r\n",
(mctl & MCTL_DTR) ? '1' : '0',
(mctl & MCTL_DSR) ? '1' : '0',
(mctl & MCTL_DCD) ? '1' : '0',
(mctl & MCTL_RTS) ? '1' : '0',
(mctl & MCTL_CTS) ? '1' : '0',
(mctl & MCTL_RI) ? '1' : '0');
if ( ((mctl & MCTL_DTR) ? 1 : 0) == dtr_up ) {
statpf(STO, "*** dtr: %s\r\n", dtr_up ? "up" : "down");
} else {
mismatch++;
statpf(STO, "*** dtr: %s (%s)\r\n",
dtr_up ? "up" : "down",
(mctl & MCTL_DTR) ? "up" : "down");
}
if ( ((mctl & MCTL_RTS) ? 1 : 0) == rts_up ) {
statpf(STO, "*** rts: %s\r\n", rts_up ? "up" : "down");
} else {
mismatch++;
statpf(STO, "*** rts: %s (%s)\r\n",
rts_up ? "up" : "down",
(mctl & MCTL_RTS) ? "up" : "down");
}
statpf(STO, "*** mctl: ");
statpf(STO, "DTR:%c DSR:%c DCD:%c RTS:%c CTS:%c RI:%c\r\n",
(mctl & MCTL_DTR) ? '1' : '0',
(mctl & MCTL_DSR) ? '1' : '0',
(mctl & MCTL_DCD) ? '1' : '0',
(mctl & MCTL_RTS) ? '1' : '0',
(mctl & MCTL_CTS) ? '1' : '0',
(mctl & MCTL_RI) ? '1' : '0');
} else {
fd_printf(STO, "*** dtr: %s\r\n", dtr_up ? "up" : "down");
fd_printf(STO, "*** rts: %s\r\n", rts_up ? "up" : "down");
statpf(STO, "*** dtr: %s\r\n", dtr_up ? "up" : "down");
statpf(STO, "*** rts: %s\r\n", rts_up ? "up" : "down");
}
return mismatch;
}
#undef statpf
/**********************************************************************/
void
show_keys()
{
@ -1187,7 +1208,7 @@ do_command (unsigned char c)
opts.noreset = 1;
return 1;
case KEY_STATUS:
show_status();
show_status(0);
break;
case KEY_HELP:
case KEY_KEYS:
@ -2017,6 +2038,15 @@ main (int argc, char *argv[])
set_tty_write_sz(term_get_baudrate(tty_fd, NULL));
/* Check for settings mismatch and print warning */
if ( !opts.quiet && !opts.noinit && show_status(1) != 0 ) {
pinfo("!! Settings mismatch !!");
if ( ! opts.noescape )
pinfo(" Type [C-%c] [C-%c] to see actual port settings",
KEYC(opts.escape), KEYC(KEY_STATUS));
pinfo("\r\n");
}
if ( ! opts.exit ) {
if ( isatty(STI) ) {
r = term_add(STI);