void finsh_thread_entry(void* parameter)
{
char ch;
/* normal is echo mode */
shell->echo_mode = 1;
finsh_init(&shell->parser);
rt_kprintf(FINSH_PROMPT);
while (1)
{
/* wait receive */
if (rt_sem_take(&shell->rx_sem, RT_WAITING_FOREVER) != RT_EOK) continue;
/* read one character from device */
while (rt_device_read(shell->device, 0, &ch, 1) == 1)
{
/* handle history key */
#ifdef FINSH_USING_HISTORY
if (finsh_handle_history(shell, ch) == RT_TRUE) continue;
#endif
/* handle CR key */
if (ch == '\r')
{
char next;
if (rt_device_read(shell->device, 0, &next, 1) == 1)
ch = next;
else ch = '\r';
}
/* handle tab key */
else if (ch == '\t')
{
/* auto complete */
finsh_auto_complete(&shell->line[0]);
/* re-calculate position */
shell->line_position = strlen(shell->line);
continue;
}
/* handle backspace key */
else if (ch == 0x7f || ch == 0x08)
{
if (shell->line_position != 0)
{
rt_kprintf("%c %c", ch, ch);
}
if (shell->line_position <= 0) shell->line_position = 0;
else shell->line_position --;
shell->line[shell->line_position] = 0;
continue;
}
/* handle end of line, break */
if (ch == '\r' || ch == '\n')
{
/* change to ';' and break */
shell->line[shell->line_position] = ';';
#ifdef FINSH_USING_HISTORY
finsh_push_history(shell);
#endif
if (shell->line_position != 0) finsh_run_line(&shell->parser, shell->line);
else rt_kprintf("\n");
rt_kprintf(FINSH_PROMPT);
memset(shell->line, 0, sizeof(shell->line));
shell->line_position = 0;
break;
}
/* it's a large line, discard it */
if (shell->line_position >= FINSH_CMD_SIZE) shell->line_position = 0;
/* normal character */
shell->line[shell->line_position] = ch; ch = 0;
if (shell->echo_mode) rt_kprintf("%c", shell->line[shell->line_position]);
shell->line_position ++;
shell->use_history = 0; /* it's a new command */
} /* end of device read */
}
}
void finsh_thread_entry(void* parameter)
{
char ch;
/* normal is echo mode */
shell->echo_mode = 1;
finsh_init(&shell->parser);
rt_kprintf(FINSH_PROMPT);
/* set console device as shell device */
shell->device = rt_console_get_device();
if (shell->device != RT_NULL)
{
rt_device_open(shell->device, RT_DEVICE_OFLAG_RDWR);
rt_device_set_rx_indicate(shell->device, finsh_rx_ind);
}
while (1)
{
/* wait receive */
if (rt_sem_take(&shell->rx_sem, RT_WAITING_FOREVER) != RT_EOK) continue;
/* read one character from device */
while (rt_device_read(shell->device, 0, &ch, 1) == 1)
{
/*
* handle control key
* up key : 0x1b 0x5b 0x41
* down key: 0x1b 0x5b 0x42
* right key:0x1b 0x5b 0x43
* left key: 0x1b 0x5b 0x44
*/
if (ch == 0x1b)
{
shell->stat = WAIT_SPEC_KEY;
continue;
}
else if (shell->stat == WAIT_SPEC_KEY)
{
if (ch == 0x5b)
{
shell->stat = WAIT_FUNC_KEY;
continue;
}
shell->stat = WAIT_NORMAL;
}
else if (shell->stat == WAIT_FUNC_KEY)
{
shell->stat = WAIT_NORMAL;
if (ch == 0x41) /* up key */
{
#ifdef FINSH_USING_HISTORY
/* prev history */
if (shell->current_history > 0)
shell->current_history --;
else
{
shell->current_history = 0;
continue;
}
/* copy the history command */
memcpy(shell->line, &shell->cmd_history[shell->current_history][0],
FINSH_CMD_SIZE);
shell->line_curpos = shell->line_position = strlen(shell->line);
finsh_handle_history(shell);
#endif
continue;
}
else if (ch == 0x42) /* down key */
{
#ifdef FINSH_USING_HISTORY
/* next history */
if (shell->current_history < shell->history_count - 1)
shell->current_history ++;
else
{
/* set to the end of history */
if (shell->history_count != 0)
shell->current_history = shell->history_count - 1;
else
continue;
}
memcpy(shell->line, &shell->cmd_history[shell->current_history][0],
FINSH_CMD_SIZE);
shell->line_curpos = shell->line_position = strlen(shell->line);
finsh_handle_history(shell);
#endif
continue;
}
else if (ch == 0x44) /* left key */
{
if (shell->line_curpos)
{
rt_kprintf("\b");
shell->line_curpos --;
}
continue;
}
else if (ch == 0x43) /* right key */
{
if (shell->line_curpos < shell->line_position)
{
rt_kprintf("%c", shell->line[shell->line_curpos]);
shell->line_curpos ++;
}
continue;
}
}
/* handle CR key */
if (ch == '\r')
{
char next;
if (rt_device_read(shell->device, 0, &next, 1) == 1)
ch = next;
else ch = '\r';
}
/* handle tab key */
else if (ch == '\t')
{
int i;
/* move the cursor to the beginning of line */
for (i = 0; i < shell->line_curpos; i++)
rt_kprintf("\b");
/* auto complete */
finsh_auto_complete(&shell->line[0]);
/* re-calculate position */
shell->line_curpos = shell->line_position = strlen(shell->line);
continue;
}
/* handle backspace key */
else if (ch == 0x7f || ch == 0x08)
{
/* note that shell->line_curpos >= 0 */
if (shell->line_curpos == 0)
continue;
shell->line_position--;
shell->line_curpos--;
if (shell->line_position > shell->line_curpos)
{
int i;
rt_memmove(&shell->line[shell->line_curpos],
&shell->line[shell->line_curpos + 1],
shell->line_position - shell->line_curpos);
shell->line[shell->line_position] = 0;
rt_kprintf("\b%s \b", &shell->line[shell->line_curpos]);
/* move the cursor to the origin position */
for (i = shell->line_curpos; i <= shell->line_position; i++)
rt_kprintf("\b");
}
else
{
rt_kprintf("\b \b");
shell->line[shell->line_position] = 0;
}
continue;
}
/* handle end of line, break */
if (ch == '\r' || ch == '\n')
{
#ifdef FINSH_USING_MSH
if (msh_is_used() == RT_TRUE && shell->line_position != 0)
{
rt_kprintf("\n");
msh_exec(shell->line, shell->line_position);
#ifdef FINSH_USING_HISTORY
finsh_push_history(shell);
#endif
}
else
#endif
{
/* add ';' and run the command line */
shell->line[shell->line_position] = ';';
#ifdef FINSH_USING_HISTORY
finsh_push_history(shell);
#endif
if (shell->line_position != 0) finsh_run_line(&shell->parser, shell->line);
else rt_kprintf("\n");
}
rt_kprintf(FINSH_PROMPT);
memset(shell->line, 0, sizeof(shell->line));
shell->line_curpos = shell->line_position = 0;
break;
}
/* it's a large line, discard it */
if (shell->line_position >= FINSH_CMD_SIZE)
shell->line_position = 0;
/* normal character */
if (shell->line_curpos < shell->line_position)
{
int i;
rt_memmove(&shell->line[shell->line_curpos + 1],
&shell->line[shell->line_curpos],
shell->line_position - shell->line_curpos);
shell->line[shell->line_curpos] = ch;
if (shell->echo_mode)
rt_kprintf("%s", &shell->line[shell->line_curpos]);
/* move the cursor to new position */
for (i = shell->line_curpos; i < shell->line_position; i++)
rt_kprintf("\b");
}
else
{
shell->line[shell->line_position] = ch;
rt_kprintf("%c", ch);
}
ch = 0;
shell->line_position ++;
shell->line_curpos++;
} /* end of device read */
}
}
