diff options
| author | Jordan Crouse <jordan.crouse@amd.com> | 2008-04-08 23:21:33 +0000 |
|---|---|---|
| committer | Uwe Hermann <uwe@hermann-uwe.de> | 2008-04-08 23:21:33 +0000 |
| commit | 672d0ae15655aa8c28e2ac0e698e501628347b7c (patch) | |
| tree | d8777af35f8dc2300aa953b0e463aa667a0a8394 /payloads/libpayload/curses/keyboard.c | |
| parent | 4eb5089821b014d84fac2ef432da0f7bbaba754e (diff) | |
libpayload: Add a timeout function for getchar and getch
Implement a timeout option for getchar() to return after so many
milliseconds. Also implement the same thing for curses using
the halfdelay() function.
Signed-off-by: Jordan Crouse <jordan.crouse@amd.com>
Acked-by: Uwe Hermann <uwe@hermann-uwe.de>
git-svn-id: svn://svn.coreboot.org/coreboot/trunk@3223 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1
Diffstat (limited to 'payloads/libpayload/curses/keyboard.c')
| -rw-r--r-- | payloads/libpayload/curses/keyboard.c | 34 |
1 files changed, 31 insertions, 3 deletions
diff --git a/payloads/libpayload/curses/keyboard.c b/payloads/libpayload/curses/keyboard.c index 2062ac2ffe..8e9212ceda 100644 --- a/payloads/libpayload/curses/keyboard.c +++ b/payloads/libpayload/curses/keyboard.c @@ -39,6 +39,8 @@ #include "local.h" +static int _halfdelay = 0; + /* ============== Serial ==================== */ /* FIXME: Cook the serial correctly */ @@ -241,8 +243,13 @@ static int curses_getchar(int delay) return cook_serial(c); } - if (!delay) + if (delay == 0) break; + + if (delay > 0) { + mdelay(100); + delay--; + } } c = inb(0x60); @@ -262,12 +269,33 @@ static int curses_getchar(int delay) int wgetch(WINDOW *win) { - return curses_getchar(win->_delay); + int delay = -1; + + if (_halfdelay || win->_delay) + delay = win->_delay ? 0 : _halfdelay; + + return curses_getchar(delay); } int nodelay(WINDOW *win, NCURSES_BOOL flag) { - win->_delay = flag ? 0 : -1; + win->_delay = flag ? 1 : 0; + return 0; +} + +int halfdelay(int tenths) +{ + if (tenths > 255) + return ERR; + + _halfdelay = tenths; + return 0; +} + +int nocbreak(void) +{ + /* Remove half delay timeout. */ + _halfdelay = 0; return 0; } |