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Add OIGNCR mapping flag

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Ignores CR on output to serial device.
This commit is contained in:
Martin Lund 2024-06-27 20:09:18 +02:00
parent 8c471105fe
commit 4723cc3f4e
5 changed files with 25 additions and 6 deletions
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17
src/tty.c
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@ -623,9 +623,9 @@ static void mappings_print(void)
if (option.map_i_cr_nl || option.map_ign_cr || option.map_i_ff_escc ||
option.map_i_nl_cr || option.map_i_nl_crnl || option.map_o_cr_nl ||
option.map_o_del_bs || option.map_o_nl_crnl || option.map_o_ltu ||
option.map_o_nulbrk || option.map_o_msblsb)
option.map_o_nulbrk || option.map_o_msblsb || option.map_o_ign_cr)
{
tio_printf(" Mappings:%s%s%s%s%s%s%s%s%s%s%s",
tio_printf(" Mappings:%s%s%s%s%s%s%s%s%s%s%s%s",
option.map_i_cr_nl ? " ICRNL" : "",
option.map_ign_cr ? " IGNCR" : "",
option.map_i_ff_escc ? " IFFESCC" : "",
@ -636,6 +636,7 @@ static void mappings_print(void)
option.map_o_nl_crnl ? " ONLCRNL" : "",
option.map_o_ltu ? " OLTU" : "",
option.map_o_nulbrk ? " ONULBRK" : "",
option.map_o_ign_cr ? " OIGNCR" : "",
option.map_o_msblsb ? " MSB2LSB" : "");
}
else
@ -791,6 +792,10 @@ void handle_command_sequence(char input_char, char *output_char, bool *forward)
tio_printf("ONULBRK is %s", option.map_o_nulbrk ? "set" : "unset");
break;
case KEY_A:
option.map_o_ign_cr = !option.map_o_ign_cr;
tio_printf("OIGNCR is %s", option.map_o_ign_cr ? "set" : "unset");
break;
case KEY_B:
option.map_o_msblsb = !option.map_o_msblsb;
tio_printf("MSB2LSB is %s", option.map_o_msblsb ? "set" : "unset");
break;
@ -1002,7 +1007,9 @@ void handle_command_sequence(char input_char, char *output_char, bool *forward)
option.map_o_ltu ? "Unset" : "Set");
tio_printf(" (9) ONULBRK: %s mapping NUL to send break signal on output",
option.map_o_nulbrk ? "Unset" : "Set");
tio_printf(" (a) MSB2LSB: %s mapping MSB bit order to LSB on output",
tio_printf(" (a) OIGNCR: %s ignoring CR on output",
option.map_o_ign_cr ? "Unset" : "Set");
tio_printf(" (b) MSB2LSB: %s mapping MSB bit order to LSB on output",
option.map_o_msblsb ? "Unset" : "Set");
// Process next input character as sub command
@ -2133,6 +2140,10 @@ void forward_to_tty(int fd, char output_char)
{
output_char = '\n';
}
if ((output_char == '\r') && (option.map_o_ign_cr))
{
return;
}
/* Map newline character */
if ((output_char == '\n' || output_char == '\r') && (option.map_o_nl_crnl))