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Stop Gigabeat bootloader from panicing.

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git-svn-id: svn://svn.rockbox.org/rockbox/trunk@14052 a1c6a512-1295-4272-9138-f99709370657
This commit is contained in:
Michael Sevakis 2007-07-29 07:41:19 +00:00
parent a2b14a5340
commit 62c8e2d69d
1 changed files with 40 additions and 34 deletions
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74
firmware/target/arm/s3c2440/gigabeat-fx/backlight-meg-fx.c
View file

@ -28,11 +28,18 @@
#define BUTTONLIGHT_MENU (SC606_LED_B1) #define BUTTONLIGHT_MENU (SC606_LED_B1)
#define BUTTONLIGHT_ALL (SC606_LED_B1 | SC606_LED_B2 | SC606_LED_C1 | SC606_LED_C2) #define BUTTONLIGHT_ALL (SC606_LED_B1 | SC606_LED_B2 | SC606_LED_C1 | SC606_LED_C2)
#ifndef BOOTLOADER
static void led_control_service(void); static void led_control_service(void);
static unsigned char backlight_brightness;
static unsigned char buttonlight_brightness; static enum sc606_states
static unsigned char backlight_target; {
static unsigned char buttonlight_target; SC606_CONTROL_IDLE,
SC606_CONTROL_A12,
SC606_CONTROL_B12,
SC606_CONTROL_C12,
SC606_CONTROL_CONF
} sc606_control;
#endif /* BOOTLOADER */
static enum backlight_states static enum backlight_states
{ {
@ -43,15 +50,6 @@ static enum backlight_states
BACKLIGHT_CONTROL_FADE BACKLIGHT_CONTROL_FADE
} backlight_control; } backlight_control;
static enum sc606_states
{
SC606_CONTROL_IDLE,
SC606_CONTROL_A12,
SC606_CONTROL_B12,
SC606_CONTROL_C12,
SC606_CONTROL_CONF
} sc606_control;
enum buttonlight_states enum buttonlight_states
{ {
BUTTONLIGHT_CONTROL_IDLE, BUTTONLIGHT_CONTROL_IDLE,
@ -61,29 +59,14 @@ enum buttonlight_states
BUTTONLIGHT_CONTROL_FADE, BUTTONLIGHT_CONTROL_FADE,
} buttonlight_control; } buttonlight_control;
static unsigned char backlight_brightness;
static unsigned char buttonlight_brightness;
static unsigned char backlight_target;
static unsigned char buttonlight_target;
static unsigned short buttonlight_trigger_now; static unsigned short buttonlight_trigger_now;
bool __backlight_init(void)
{
buttonlight_brightness = DEFAULT_BRIGHTNESS_SETTING;
backlight_brightness = DEFAULT_BRIGHTNESS_SETTING;
buttonlight_control = BUTTONLIGHT_CONTROL_IDLE;
backlight_control = BACKLIGHT_CONTROL_ON;
/* Set the backlight up in a known state */
sc606_init();
sc606_write(SC606_REG_A , DEFAULT_BRIGHTNESS_SETTING);
sc606_write(SC606_REG_B , 0);
sc606_write(SC606_REG_C , 0);
sc606_write(SC606_REG_CONF , 0x03);
/* put the led control on the tick list */
tick_add_task(led_control_service);
return true;
}
void __backlight_on(void) void __backlight_on(void)
{ {
backlight_control = BACKLIGHT_CONTROL_ON; backlight_control = BACKLIGHT_CONTROL_ON;
@ -145,6 +128,7 @@ void __buttonlight_mode(enum buttonlight_mode mode)
* i2c operations - they are all serialized here in the ISR tick. It also * i2c operations - they are all serialized here in the ISR tick. It also
* insures that we get called at equal timing for good visual effect. * insures that we get called at equal timing for good visual effect.
*/ */
#ifndef BOOTLOADER
static void led_control_service(void) static void led_control_service(void)
{ {
static unsigned char static unsigned char
@ -342,6 +326,7 @@ static void led_control_service(void)
else else
lcd_enable(false); lcd_enable(false);
} }
#endif /* BOOTLOADER */
void __button_backlight_on(void) void __button_backlight_on(void)
{ {
@ -390,3 +375,24 @@ void __buttonlight_set_brightness(int brightness)
buttonlight_brightness = brightness; buttonlight_brightness = brightness;
buttonlight_control = BUTTONLIGHT_CONTROL_SET; buttonlight_control = BUTTONLIGHT_CONTROL_SET;
} }
bool __backlight_init(void)
{
buttonlight_brightness = DEFAULT_BRIGHTNESS_SETTING;
backlight_brightness = DEFAULT_BRIGHTNESS_SETTING;
buttonlight_control = BUTTONLIGHT_CONTROL_IDLE;
backlight_control = BACKLIGHT_CONTROL_ON;
/* Set the backlight up in a known state */
sc606_init();
sc606_write(SC606_REG_A , DEFAULT_BRIGHTNESS_SETTING);
sc606_write(SC606_REG_B , 0);
sc606_write(SC606_REG_C , 0);
sc606_write(SC606_REG_CONF , 0x03);
#ifndef BOOTLOADER
/* put the led control on the tick list */
tick_add_task(led_control_service);
#endif
return true;
}