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Ignore whitespace Rev 4336 → Rev 4337

/branches/dynload/uspace/srv/fb/serial_console.c
38,15 → 38,23
*/
 
#include <stdio.h>
#include <ipc/ipc.h>
#include <async.h>
#include <ipc/fb.h>
#include <bool.h>
#include <errno.h>
 
#include "serial_console.h"
 
#define MAX_CONTROL 20
 
static uint32_t width;
static uint32_t height;
static int width;
static int height;
static putc_function_t putc_function;
 
/* Allow only 1 connection */
static int client_connected = 0;
 
void serial_puts(char *str)
{
while (*str)
88,6 → 96,14
serial_puts(control);
}
 
/** Set scrolling region. */
void serial_set_scroll_region(unsigned last_row)
{
char control[MAX_CONTROL];
snprintf(control, MAX_CONTROL, "\033[0;%ur", last_row);
serial_puts(control);
}
 
void serial_cursor_disable(void)
{
serial_puts("\033[?25l");
105,6 → 121,103
putc_function = putc_fn;
}
 
/**
* Main function of the thread serving client connections.
*/
void serial_client_connection(ipc_callid_t iid, ipc_call_t *icall)
{
int retval;
ipc_callid_t callid;
ipc_call_t call;
char c;
int lastcol = 0;
int lastrow = 0;
int newcol;
int newrow;
int fgcolor;
int bgcolor;
int i;
if (client_connected) {
ipc_answer_0(iid, ELIMIT);
return;
}
client_connected = 1;
ipc_answer_0(iid, EOK);
/* Clear the terminal, set scrolling region
to 0 - height rows. */
serial_clrscr();
serial_goto(0, 0);
serial_set_scroll_region(height);
while (true) {
callid = async_get_call(&call);
switch (IPC_GET_METHOD(call)) {
case IPC_M_PHONE_HUNGUP:
client_connected = 0;
ipc_answer_0(callid, EOK);
return;
case FB_PUTCHAR:
c = IPC_GET_ARG1(call);
newrow = IPC_GET_ARG2(call);
newcol = IPC_GET_ARG3(call);
if ((lastcol != newcol) || (lastrow != newrow))
serial_goto(newrow, newcol);
lastcol = newcol + 1;
lastrow = newrow;
(*putc_function)(c);
retval = 0;
break;
case FB_CURSOR_GOTO:
newrow = IPC_GET_ARG1(call);
newcol = IPC_GET_ARG2(call);
serial_goto(newrow, newcol);
lastrow = newrow;
lastcol = newcol;
retval = 0;
break;
case FB_GET_CSIZE:
ipc_answer_2(callid, EOK, height, width);
continue;
case FB_CLEAR:
serial_clrscr();
retval = 0;
break;
case FB_SET_STYLE:
fgcolor = IPC_GET_ARG1(call);
bgcolor = IPC_GET_ARG2(call);
if (fgcolor < bgcolor)
serial_set_style(0);
else
serial_set_style(7);
retval = 0;
break;
case FB_SCROLL:
i = IPC_GET_ARG1(call);
if ((i > height) || (i < -height)) {
retval = EINVAL;
break;
}
serial_scroll(i);
serial_goto(lastrow, lastcol);
retval = 0;
break;
case FB_CURSOR_VISIBILITY:
if(IPC_GET_ARG1(call))
serial_cursor_enable();
else
serial_cursor_disable();
retval = 0;
break;
default:
retval = ENOENT;
}
ipc_answer_0(callid, retval);
}
}
 
/**
* @}
*/