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Ignore whitespace Rev 3672 → Rev 3741

/trunk/uspace/srv/fb/sgcn.c
36,8 → 36,6
*/
 
#include <async.h>
#include <ipc/ipc.h>
#include <ipc/fb.h>
#include <sysinfo.h>
#include <as.h>
#include <errno.h>
60,9 → 58,6
*/
static uintptr_t sram_buffer_offset;
 
/* Allow only 1 connection */
static int client_connected = 0;
 
/**
* SGCN buffer header. It is placed at the very beginning of the SGCN
* buffer.
122,103 → 117,6
}
 
/**
* Main function of the thread serving client connections.
*/
static void sgcn_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 - 24 lines */
serial_clrscr();
serial_goto(0, 0);
serial_puts("\033[0;24r");
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;
sgcn_putc(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);
}
}
 
/**
* Initializes the SGCN serial driver.
*/
int sgcn_init(void)
240,7 → 138,7
sram_buffer_offset = sysinfo_value("sram.buffer.offset");
async_set_client_connection(sgcn_client_connection);
async_set_client_connection(serial_client_connection);
return 0;
}