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rPi Console: Fix console vt100 calls

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* Use correct clear screen escape codes
* Use correct set cursor location escape codes
* Use correct set color escape codes
This commit is contained in:
Alexander von Gluck IV 2012-05-24 06:17:22 -05:00
parent 361ec26f10
commit 9b2efb1ad5
1 changed files with 16 additions and 13 deletions
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29
src/system/boot/platform/raspberrypi_arm/console.cpp
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@ -98,38 +98,41 @@ VTConsole::VTConsole()
void
VTConsole::ClearScreen()
{
WriteAt(NULL, 0LL, "\033E", 2);
WriteAt(NULL, 0LL, "\033[2J", 4);
}
void
VTConsole::SetCursor(int32 x, int32 y)
{
char buff[] = "\033Y ";
char buffer[8];
x = MIN(79, MAX(0, x));
y = MIN(24, MAX(0, y));
buff[3] += (char)x;
buff[2] += (char)y;
WriteAt(NULL, 0LL, buff, 4);
int len = snprintf(buffer, sizeof(buffer),
"\033[%" B_PRId32 ";%" B_PRId32 "H", y, x);
WriteAt(NULL, 0LL, buffer, len);
}
void
VTConsole::SetColor(int32 foreground, int32 background)
{
return;
static const char cmap[] = {
15, 4, 2, 6, 1, 5, 3, 7,
8, 12, 10, 14, 9, 13, 11, 0 };
char buff[] = "\033b \033c ";
0, 4, 2, 6, 1, 5, 3, 7 };
char buffer[12];
if (foreground < 0 && foreground >= 16)
if (foreground < 0 && foreground >= 8)
return;
if (background < 0 && background >= 16)
if (background < 0 && background >= 8)
return;
buff[2] += cmap[foreground];
buff[5] += cmap[background];
WriteAt(NULL, 0LL, buff, 6);
// We assume normal display attributes here
int len = snprintf(buffer, sizeof(buffer),
"\033[#0;3%" B_PRId32 ";4%" B_PRId32 "m",
cmap[foreground], cmap[background]);
WriteAt(NULL, 0LL, buffer, len);
}