devs/foxbox
1
0
Fork 0
forked from len0rd/rockbox
Code Pull requests Activity

Ported to iRiver H100

Browse source 
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@5209 a1c6a512-1295-4272-9138-f99709370657
This commit is contained in:
Linus Nielsen Feltzing 2004-10-07 08:38:51 +00:00
parent 74c445c0fd
commit eb5463d158
1 changed files with 39 additions and 23 deletions
Download patch file Download diff file Expand all files Collapse all files

62
firmware/backlight.c
View file

@ -18,7 +18,7 @@
****************************************************************************/ ****************************************************************************/
#include "config.h" #include "config.h"
#include <stdlib.h> #include <stdlib.h>
#include "sh7034.h" #include "cpu.h"
#include "kernel.h" #include "kernel.h"
#include "thread.h" #include "thread.h"
#include "i2c.h" #include "i2c.h"
@ -49,6 +49,35 @@ static bool backlight_on_when_charging = 0;
static int backlight_timer; static int backlight_timer;
static unsigned int backlight_timeout = 5; static unsigned int backlight_timeout = 5;
static void __backlight_off(void)
{
#ifdef IRIVER_H100
GPIO1_OUT &= ~0x00020000;
#else
#ifdef HAVE_RTC
/* Disable square wave */
rtc_write(0x0a, rtc_read(0x0a) & ~0x40);
#else
and_b(~0x40, &PAIORH);
#endif
#endif
}
static void __backlight_on(void)
{
#ifdef IRIVER_H100
GPIO1_OUT |= 0x00020000;
#else
#ifdef HAVE_RTC
/* Enable square wave */
rtc_write(0x0a, rtc_read(0x0a) | 0x40);
#else
and_b(~0x40, &PADRH);
or_b(0x40, &PAIORH);
#endif
#endif
}
void backlight_thread(void) void backlight_thread(void)
{ {
struct event ev; struct event ev;
@ -69,36 +98,19 @@ void backlight_thread(void)
backlight_timer = HZ*backlight_timeout_value[backlight_timeout]; backlight_timer = HZ*backlight_timeout_value[backlight_timeout];
} }
if(backlight_timer < 0) if(backlight_timer < 0) /* Backlight == OFF in the setting? */
{ {
backlight_timer = 0; /* timer value 0 will not get ticked */ backlight_timer = 0; /* Disable the timeout */
#ifdef HAVE_RTC __backlight_off();
/* Disable square wave */
rtc_write(0x0a, rtc_read(0x0a) & ~0x40);
#else
and_b(~0x40, &PAIORH);
#endif
} }
/* else if(backlight_timer) */
else else
{ {
#ifdef HAVE_RTC __backlight_on();
/* Enable square wave */
rtc_write(0x0a, rtc_read(0x0a) | 0x40);
#else
and_b(~0x40, &PADRH);
or_b(0x40, &PAIORH);
#endif
} }
break; break;
case BACKLIGHT_OFF: case BACKLIGHT_OFF:
#ifdef HAVE_RTC __backlight_off();
/* Disable square wave */
rtc_write(0x0a, rtc_read(0x0a) & ~0x40);
#else
and_b(~0x40, &PAIORH);
#endif
break; break;
case SYS_USB_CONNECTED: case SYS_USB_CONNECTED:
@ -175,6 +187,10 @@ void backlight_init(void)
create_thread(backlight_thread, backlight_stack, create_thread(backlight_thread, backlight_stack,
sizeof(backlight_stack), backlight_thread_name); sizeof(backlight_stack), backlight_thread_name);
#ifdef IRIVER_H100
GPIO1_ENABLE |= 0x00020000;
GPIO1_FUNCTION |= 0x00020000;
#endif
backlight_on(); backlight_on();
} }