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OneOfEleven
2023-11-10 17:02:04 +00:00
parent e2e571b4fb
commit 852998f082
4 changed files with 12 additions and 12 deletions
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18
driver/backlight.c
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@ -33,8 +33,7 @@ void BACKLIGHT_init(void)
PORTCON_PORTB_SEL0 &= ~(PORTCON_PORTB_SEL0_B6_MASK);
PORTCON_PORTB_SEL0 |= PORTCON_PORTB_SEL0_B6_BITS_PWMP0_CH0;
PWM_PLUS0_GEN = PWMPLUS_GEN_CH0_OE_BITS_ENABLE | PWMPLUS_GEN_CH0_OUTINV_BITS_ENABLE;
PWM_PLUS0_GEN = PWMPLUS_GEN_CH0_OE_BITS_ENABLE | PWMPLUS_GEN_CH0_OUTINV_BITS_ENABLE;
PWM_PLUS0_CFG = PWMPLUS_CFG_CNT_REP_BITS_ENABLE | PWMPLUS_CFG_COUNTER_EN_BITS_ENABLE;
}
@ -63,16 +62,13 @@ void BACKLIGHT_set_brightness(unsigned int brightness)
if (brightness > BACKLIGHT_MAX_BRIGHTNESS)
brightness = BACKLIGHT_MAX_BRIGHTNESS;
// non-linear 0 ~ 1023
PWM_PLUS0_CH0_COMP = (1023ul * brightness * brightness * brightness) / (BACKLIGHT_MAX_BRIGHTNESS * BACKLIGHT_MAX_BRIGHTNESS * BACKLIGHT_MAX_BRIGHTNESS);
//PWM_PLUS0_SWLOAD = 1;
// g_backlight_on = (brightness > 0) ? true : false;
}
void BACKLIGHT_turn_on(const unsigned int min_secs)
{
const uint16_t min_ticks = min_secs * 100;
const uint16_t min_ticks = 100u * min_secs;
if (min_ticks > 0)
{
if (g_backlight_tick_10ms < min_ticks)
@ -82,13 +78,17 @@ void BACKLIGHT_turn_on(const unsigned int min_secs)
else
if (g_eeprom.config.setting.backlight_time > 0)
{
BACKLIGHT_set_brightness(BACKLIGHT_MAX_BRIGHTNESS);
g_backlight_tick_10ms = BACKLIGHT_ticks();
BACKLIGHT_set_brightness(BACKLIGHT_MAX_BRIGHTNESS);
}
}
void BACKLIGHT_turn_off(void)
{
g_backlight_tick_10ms = 0;
BACKLIGHT_set_brightness(0);
if (g_backlight_tick_10ms > BACKLIGHT_MAX_BRIGHTNESS)
g_backlight_tick_10ms = BACKLIGHT_MAX_BRIGHTNESS;
// g_backlight_tick_10ms = 0;
BACKLIGHT_set_brightness(g_backlight_tick_10ms);
}