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Add in buttonlight brightness setting for the Gigabeat, and setup the framework for future players that have adjustable button light brightness settings. Also fixed a bug in the backlight code when the brightness was set to 0.

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git-svn-id: svn://svn.rockbox.org/rockbox/trunk@13356 a1c6a512-1295-4272-9138-f99709370657
This commit is contained in:
Karl Kurbjun 2007-05-08 06:45:38 +00:00
parent 830576bb0b
commit 6f95ab7de7
9 changed files with 98 additions and 5 deletions
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39
firmware/target/arm/s3c2440/gigabeat-fx/backlight-meg-fx.c
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@ -31,6 +31,7 @@
static void led_control_service(void);
static unsigned short backlight_brightness;
static unsigned short buttonlight_brightness;
static unsigned short backlight_target;
static unsigned short buttonlight_target;
@ -57,6 +58,7 @@ enum buttonlight_states
BUTTONLIGHT_CONTROL_IDLE,
BUTTONLIGHT_CONTROL_OFF,
BUTTONLIGHT_CONTROL_ON,
BUTTONLIGHT_CONTROL_SET,
BUTTONLIGHT_CONTROL_FADE,
} buttonlight_control;
@ -214,10 +216,15 @@ static void led_control_service(void)
break;
case BUTTONLIGHT_CONTROL_ON:
sc606_changed=true;
sc606regBval=sc606regCval=backlight_brightness;
sc606regBval=sc606regCval=buttonlight_brightness;
sc606regCONFval |= 0x3C;
buttonlight_control=BUTTONLIGHT_CONTROL_IDLE;
break;
case BUTTONLIGHT_CONTROL_SET:
sc606regBval=sc606regCval=buttonlight_brightness;
sc606_changed=true;
buttonlight_control = BUTTONLIGHT_CONTROL_ON;
break;
case BUTTONLIGHT_CONTROL_FADE:
/* Was this mode set while the button light is already on/off? */
if(buttonlight_target==sc606regBval)
@ -288,15 +295,21 @@ static void led_control_service(void)
void __button_backlight_on(void)
{
buttonlight_control = BUTTONLIGHT_CONTROL_IDLE;
buttonlight_target = backlight_brightness;
buttonlight_control = BUTTONLIGHT_CONTROL_FADE;
buttonlight_target = buttonlight_brightness;
if(buttonlight_brightness==0)
buttonlight_control = BUTTONLIGHT_CONTROL_ON;
else
buttonlight_control = BUTTONLIGHT_CONTROL_FADE;
}
void __button_backlight_off(void)
{
buttonlight_control = BUTTONLIGHT_CONTROL_IDLE;
buttonlight_target = 0;
buttonlight_control = BUTTONLIGHT_CONTROL_FADE;
if(buttonlight_brightness==0)
buttonlight_control = BUTTONLIGHT_CONTROL_OFF;
else
buttonlight_control = BUTTONLIGHT_CONTROL_FADE;
}
void __backlight_dim(bool dim_now)
@ -304,5 +317,21 @@ void __backlight_dim(bool dim_now)
/* dont let the interrupt tick happen */
backlight_control = BACKLIGHT_CONTROL_IDLE;
backlight_target = (dim_now == true) ? 0 : backlight_brightness;
backlight_control = BACKLIGHT_CONTROL_FADE;
if(backlight_target==0 && backlight_brightness==0)
{
if(dim_now == false)
backlight_control = BACKLIGHT_CONTROL_ON;
else
backlight_control = BACKLIGHT_CONTROL_OFF;
}
else
backlight_control = BACKLIGHT_CONTROL_FADE;
}
void __buttonlight_set_brightness(int brightness)
{
/* stop the interrupt from messing us up */
buttonlight_control = BUTTONLIGHT_CONTROL_IDLE;
buttonlight_brightness = brightness;
buttonlight_control = BUTTONLIGHT_CONTROL_SET;
}