void _console_process_char(void)
{
A_UINT8 character;
int length;
int bytes_avail;
A_BOOL extended = FALSE;
while (TRUE) {
length = 1;
bytes_avail = SERP_Read(Console_info->port,(A_UINT8 *)&character,&length);
if (length == 0) {
break;
}
//CONSOLE_OUTPUT("%2.2X\n",character);
if (Console_info->flags & CONSOLE_FLAGS_RX_SUSPENDED) {
if (character == ASCII_CARRIAGE_RETURN) {
/* activate the console when the first enter key is pressed */
Console_info->flags &= ~CONSOLE_FLAGS_RX_SUSPENDED;
if (!(Console_info->flags & CONSOLE_FLAGS_USE_HW_RX_SUSP)) {
/* switch to fast polling in the port */
SERP_Ioctl(Console_info->port,
SER_PORT_HW_IOCTL_SET_POLL_INTERVAL,
NULL,
CONSOLE_FAST_POLL_INTERVAL_MS);
}
} else {
continue;
}
}
if (Console_info->current_escape_pos > 0) {
/* in an escape sequence */
Console_info->escape_buffer[Console_info->current_escape_pos] = character;
Console_info->current_escape_pos++;
if (Console_info->current_escape_pos >= MIN_ESCAPE_BYTES) {
if (Console_info->escape_buffer[1] == '[') {
switch (Console_info->escape_buffer[2]) {
case 'A' :
/* cursor up */
show_console_history(TRUE);
break;
case 'B' :
/* cursor down */
show_console_history(FALSE);
break;
case 'C' :
/* cursor FORWARD */
if (!move_console_cursor(CURSOR_FORWARD)){
CONSOLE_OUTPUT(ASCII_BELL);
} else {
CONSOLE_OUTPUT(ANSI_VT100_CURSOR_FWD);
}
break;
case 'D' :
/* cursor BACKWARDS */
if (!move_console_cursor(CURSOR_BACKWARD)) {
CONSOLE_OUTPUT(ASCII_BELL);
} else {
CONSOLE_OUTPUT(ANSI_VT100_CURSOR_BACK);
}
break;
case '4' :
if (Console_info->current_escape_pos <= MIN_ESCAPE_BYTES) {
extended = TRUE;
} else {
if (Console_info->escape_buffer[3] == 0x7e) {
/* delete key */
if (!process_console_delete()) {
CONSOLE_OUTPUT(ASCII_BELL);
}
}
}
break;
default:
break;
}
}
if (!extended) {
Console_info->current_escape_pos = 0;
}
}
continue;
}
if ((character >= 0x20) && (character <= 0x7E)) {
if (!insert_console_char(character)) {
CONSOLE_OUTPUT(ASCII_BELL);
}
continue;
}
switch (character) {
case ASCII_CARRIAGE_RETURN :
if (Console_info->config.flags & CONSOLE_CONFIG_FLAGS_AWAKE_FOR_READ) {
A_POWER_SYSSLEEP_CONTROL(1); /* Permit sleep while processing cmd */
}
process_console_line();
if (Console_info->config.flags & CONSOLE_CONFIG_FLAGS_AWAKE_FOR_READ) {
A_POWER_SYSSLEEP_CONTROL(0); /* disallow sleep while waiting for keystrokes */
}
if (Console_info->flags & CONSOLE_FLAGS_ALLOW_RX_SUSPEND) {
schedule_console_idle_recv_timer();
}
break;
case ASCII_BACK_SPACE :
if (!process_console_backspace()) {
CONSOLE_OUTPUT(ASCII_BELL);
}
break;
case ASCII_ESCAPE :
Console_info->escape_buffer[0] = character;
Console_info->current_escape_pos = 1;
break;
default :
break;
}
}
}
void update_cursor(void)
{
move_console_cursor(pos_x, pos_y);
}
