diff options
Diffstat (limited to 'firmware/target/arm/s5l8700')
-rw-r--r-- | firmware/target/arm/s5l8700/yps3/backlight-yps3.c | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/firmware/target/arm/s5l8700/yps3/backlight-yps3.c b/firmware/target/arm/s5l8700/yps3/backlight-yps3.c index 0a9cf3cc9a..7fda82a29c 100644 --- a/firmware/target/arm/s5l8700/yps3/backlight-yps3.c +++ b/firmware/target/arm/s5l8700/yps3/backlight-yps3.c | |||
@@ -30,6 +30,9 @@ | |||
30 | 30 | ||
31 | The PWM duty cycle depends exponentially on the configured brightness | 31 | The PWM duty cycle depends exponentially on the configured brightness |
32 | level. This makes the brightness curve more linear to the human eye. | 32 | level. This makes the brightness curve more linear to the human eye. |
33 | |||
34 | The button LEDs are all activated at the same time (even though there | ||
35 | are three individually controllable groups: menu/back, cursor, middle). | ||
33 | */ | 36 | */ |
34 | 37 | ||
35 | void _backlight_set_brightness(int brightness) | 38 | void _backlight_set_brightness(int brightness) |
@@ -52,8 +55,24 @@ void _backlight_off(void) | |||
52 | _backlight_set_brightness(MIN_BRIGHTNESS_SETTING); | 55 | _backlight_set_brightness(MIN_BRIGHTNESS_SETTING); |
53 | } | 56 | } |
54 | 57 | ||
58 | void _buttonlight_on(void) | ||
59 | { | ||
60 | PDAT3 |= (3 << 2); | ||
61 | PDAT4 |= (1 << 2); | ||
62 | } | ||
63 | |||
64 | void _buttonlight_off(void) | ||
65 | { | ||
66 | PDAT3 &= ~(3 << 2); | ||
67 | PDAT4 &= ~(1 << 2); | ||
68 | } | ||
69 | |||
55 | bool _backlight_init(void) | 70 | bool _backlight_init(void) |
56 | { | 71 | { |
72 | /* Enable button LEDs: P3.2 (menu/back), P3.3 (cursor), P4.2 (middle) */ | ||
73 | PCON3 = (PCON3 & ~0x0000FF00) | 0x00001100; | ||
74 | PCON4 = (PCON4 & ~0x00000F00) | 0x00000100; | ||
75 | |||
57 | /* enable backlight pin as timer output */ | 76 | /* enable backlight pin as timer output */ |
58 | PCON0 = ((PCON0 & ~(3 << 0)) | (2 << 0)); | 77 | PCON0 = ((PCON0 & ~(3 << 0)) | (2 << 0)); |
59 | 78 | ||