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Add xmodem and ymodem file send support (#208)

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* Add xmodem and ymodem file send support
---------

Co-authored-by: pnr <pnr@home25.nl>
This commit is contained in:
pnrhub 2023-09-16 12:17:38 +02:00 • committed by GitHub
parent 812dee8e54
commit e6ffbd9058
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GPG key ID: 4AEE18F83AFDEB23
6 changed files with 285 additions and 1 deletions
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53
src/tty.c
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@ -105,6 +105,8 @@
#define KEY_T 0x74
#define KEY_U 0x55
#define KEY_V 0x76
#define KEY_X 0x78
#define KEY_Y 0x79
#define KEY_Z 0x7a
enum line_mode_t
@ -133,6 +135,8 @@ bool map_i_nl_cr = false;
bool map_i_cr_nl = false;
bool map_ign_cr = false;
char key_hit = 0xff;
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;
@ -321,6 +325,14 @@ void *tty_stdin_input_thread(void *arg)
// Process quit and flush key command
for (int i = 0; i<byte_count; i++)
{
// first do key hit check for xmodem abort
if (!key_hit) {
key_hit = input_buffer[i];
byte_count--;
memcpy(input_buffer+i, input_buffer+i+1, byte_count-i);
continue;
}
input_char = input_buffer[i];
if (previous_char == option.prefix_code)
@ -472,6 +484,32 @@ static void toggle_line(const char *line_name, int mask, enum line_mode_t line_m
}
}
#define MAX_LINE 100
static char line[MAX_LINE];
static int tio_readln(void)
{
char *p = line;
/* Read line, accept BS and DEL as rubout characters */
for (p = line ; p < &line[MAX_LINE-1]; ) {
if (read(pipefd[0], p, 1) > 0) {
if (*p == 0x08 || *p == 0x7f) {
if (p > line ) {
write(STDOUT_FILENO, "\b \b", 3);
p--;
}
continue;
}
write(STDOUT_FILENO, p, 1);
if (*p == '\r') break;
p++;
}
}
*p = 0;
return (p - line);
}
void handle_command_sequence(char input_char, char *output_char, bool *forward)
{
char unused_char;
@ -562,7 +600,9 @@ void handle_command_sequence(char input_char, char *output_char, bool *forward)
tio_printf(" ctrl-%c t Toggle line timestamp mode", option.prefix_key);
tio_printf(" ctrl-%c U Toggle conversion to uppercase on output", option.prefix_key);
tio_printf(" ctrl-%c v Show version", option.prefix_key);
tio_printf(" ctrl-%c ctrl-%c Send ctrl-%c character", option.prefix_key, option.prefix_key, option.prefix_key);
tio_printf(" ctrl-%c x Send file via Xmodem-1K", option.prefix_key);
tio_printf(" ctrl-%c y Send file via Ymodem", option.prefix_key);
tio_printf(" ctrl-%c ctrl-%c Send ctrl-%c character", option.prefix_key, option.prefix_key, option.prefix_key);
break;
case KEY_SHIFT_L:
@ -721,6 +761,17 @@ void handle_command_sequence(char input_char, char *output_char, bool *forward)
tio_printf("tio v%s", VERSION);
break;
case KEY_X:
case KEY_Y:
tio_printf("Send file with %cMODEM", toupper(input_char));
tio_printf_raw("Enter file name: ");
if (tio_readln()) {
tio_printf("Sending file '%s'", line);
tio_printf("Press any key to abort transfer");
tio_printf("%s", xymodem_send(fd, line, input_char) < 0 ? "Aborted" : "Done");
}
break;
case KEY_Z:
tio_printf_array(random_array);
break;