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Now wakes up the backlight even after a power loss

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git-svn-id: svn://svn.rockbox.org/rockbox/trunk@1448 a1c6a512-1295-4272-9138-f99709370657
This commit is contained in:
Linus Nielsen Feltzing 2002-07-25 22:04:03 +00:00
parent d731cdd0db
commit 1cf053982e
1 changed files with 7 additions and 3 deletions
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10
firmware/backlight.c
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@ -40,6 +40,7 @@ static int backlight_timeout = 5;
void backlight_thread(void) void backlight_thread(void)
{ {
struct event ev; struct event ev;
int tmp;
while(1) while(1)
{ {
@ -51,7 +52,8 @@ void backlight_thread(void)
if(backlight_timer) if(backlight_timer)
{ {
#ifdef HAVE_RTC #ifdef HAVE_RTC
rtc_write(0x13, 0x10); tmp = rtc_read(0x0a);
rtc_write(0x0a, tmp | 0x40); /* Enable square wave */
#else #else
PADR &= ~0x4000; PADR &= ~0x4000;
#endif #endif
@ -60,7 +62,8 @@ void backlight_thread(void)
case BACKLIGHT_OFF: case BACKLIGHT_OFF:
#ifdef HAVE_RTC #ifdef HAVE_RTC
rtc_write(0x13, 0x00); tmp = rtc_read(0x0a);
rtc_write(0x0a, tmp & ~0x40); /* Disable square wave */
#else #else
PADR |= 0x4000; PADR |= 0x4000;
#endif #endif
@ -109,7 +112,8 @@ void backlight_tick(void)
void backlight_init(void) void backlight_init(void)
{ {
#ifdef HAVE_RTC #ifdef HAVE_RTC
rtc_write(0x0a, 0x40); /* Enable square wave */ rtc_write(0x13, 0x10); /* 32 kHz swuare wave */
rtc_write(0x01, 0x00); /* Clear Stop bit */
#endif #endif
queue_init(&backlight_queue); queue_init(&backlight_queue);
create_thread(backlight_thread, backlight_stack, create_thread(backlight_thread, backlight_stack,