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Debouncing for OSD control.

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sorgelig
2020-03-09 21:36:22 +08:00
parent 84a325a49e
commit 547e101524
1 changed files with 35 additions and 23 deletions
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58
menu.cpp
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@@ -463,35 +463,47 @@ void menu_key_set(unsigned int c)
static int hold_cnt = 0;
static uint32_t menu_key_get(void)
{
static uint32_t c2;
static unsigned long repeat;
uint32_t c1, c;
c1 = menu_key;
c = 0;
if (c1 != c2)
static uint32_t prev_key = 0;
static unsigned long db_time = 0;
if (prev_key != menu_key || !db_time)
{
c = c1;
hold_cnt = 1;
prev_key = menu_key;
db_time = GetTimer(20);
}
c2 = c1;
// inject a fake "MENU_KEY" if no menu is visible and the menu key is loaded
if (!user_io_osd_is_visible() && !video_fb_state() && is_menu_core()) c = KEY_F12;
uint32_t c = 0;
if (CheckTimer(db_time))
{
static uint32_t c2;
static unsigned long repeat;
uint32_t c1;
// generate repeat "key-pressed" events
if ((c1 & UPSTROKE) || (!c1))
{
hold_cnt = 0;
repeat = GetTimer(REPEATDELAY);
}
else if (CheckTimer(repeat))
{
repeat = GetTimer(REPEATRATE);
if (GetASCIIKey(c1) || ((menustate == MENU_8BIT_SYSTEM2) && (menusub == 11)))
c1 = menu_key;
c = 0;
if (c1 != c2)
{
c = c1;
hold_cnt++;
hold_cnt = 1;
}
c2 = c1;
// inject a fake "MENU_KEY" if no menu is visible and the menu key is loaded
if (!user_io_osd_is_visible() && !video_fb_state() && is_menu_core()) c = KEY_F12;
// generate repeat "key-pressed" events
if ((c1 & UPSTROKE) || (!c1))
{
hold_cnt = 0;
repeat = GetTimer(REPEATDELAY);
}
else if (CheckTimer(repeat))
{
repeat = GetTimer(REPEATRATE);
if (GetASCIIKey(c1) || ((menustate == MENU_8BIT_SYSTEM2) && (menusub == 11)))
{
c = c1;
hold_cnt++;
}
}
}