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@@ -19,7 +19,11 @@ along with this program. If not, see <http://www.gnu.org/licenses/>. |
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#include <avr/interrupt.h> |
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#include <avr/pgmspace.h> |
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#include "backlight.h" |
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#ifdef SOFTPWM_LED_ENABLE |
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#include "softpwm_led.h" |
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#else |
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#include "breathing_led.h" |
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#endif |
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#ifdef BACKLIGHT_ENABLE |
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@@ -27,12 +31,14 @@ void backlight_enable(void); |
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void backlight_disable(void); |
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inline void backlight_set_raw(uint8_t raw); |
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#ifndef SOFTPWM_LED_ENABLE |
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#ifdef GH60_REV_CHN |
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#else |
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#define SOFTPWM_TIMER_TOP F_CPU/(256*64) |
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uint8_t softpwm_ocr = 0; |
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uint8_t softpwm_ocr_buff = 0; |
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#endif |
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#endif |
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static const uint8_t backlight_table[] PROGMEM = { |
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0, 16, 128, 255 |
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@@ -44,6 +50,16 @@ static const uint8_t backlight_table[] PROGMEM = { |
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*/ |
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void backlight_enable(void) |
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{ |
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#ifdef SOFTPWM_LED_ENABLE |
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#if defined(GH60_REV_CHN) |
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DDRB |= (1<<PB6); |
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PORTB &= ~(1<<PB6); |
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#else |
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DDRF |= (1<<PF7 | 1<<PF6 | 1<<PF5 | 1<<PF4); |
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PORTF |= (1<<PF7 | 1<<PF6 | 1<<PF5 | 1<<PF4); |
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#endif |
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softpwm_led_enable(); |
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#else |
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#if defined(GH60_REV_CHN) |
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// Turn on PWM |
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DDRB |= (1<<PB6); |
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@@ -62,10 +78,19 @@ void backlight_enable(void) |
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TIMSK1 |= (1<<OCIE1A); |
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sei(); |
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#endif |
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#endif |
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} |
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void backlight_disable(void) |
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{ |
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#ifdef SOFTPWM_LED_ENABLE |
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softpwm_led_disable(); |
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#if defined(GH60_REV_CHN) |
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DDRB &= ~(1<<PB6); |
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#else |
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DDRF &= ~(1<<PF7 | 1<<PF6 | 1<<PF5 | 1<<PF4); |
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#endif |
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#else |
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#if defined(GH60_REV_CHN) |
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// Turn off PWM |
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cli(); |
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@@ -75,7 +100,7 @@ void backlight_disable(void) |
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sei(); |
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OCR1B = 0; |
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#else |
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DDRF &= ~(1<<PF7 | 1<<PF6 | 1<<PF5 | 1<<PF4); |
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DDRF &= ~(1<<PF7 | 1<<PF6 | 1<<PF5 | 1<<PF4); |
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cli(); |
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TCCR1B &= ~(1<<WGM12); |
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TCCR1B &= ~(1<<CS10); |
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@@ -83,6 +108,7 @@ void backlight_disable(void) |
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sei(); |
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OCR1A = 0; |
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#endif |
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#endif |
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} |
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void backlight_set(uint8_t level) |
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@@ -120,22 +146,52 @@ void backlight_set(uint8_t level) |
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#endif |
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} |
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#ifndef SOFTPWM_LED_ENABLE |
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#ifdef BREATHING_LED_ENABLE |
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void breathing_led_set_raw(uint8_t raw) |
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{ |
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backlight_set_raw(raw); |
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} |
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#endif |
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#endif |
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inline void backlight_set_raw(uint8_t raw) |
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{ |
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#ifdef SOFTPWM_LED_ENABLE |
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softpwm_led_set(raw); |
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#else |
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#if defined(GH60_REV_CHN) |
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OCR1B = raw; |
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#else |
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softpwm_ocr_buff = raw; |
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#endif |
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#endif |
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} |
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#ifdef SOFTPWM_LED_ENABLE |
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void softpwm_led_on(void) |
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{ |
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#if defined(GH60_REV_CHN) |
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PORTB |= (1<<PB6); |
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#else |
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PORTF &= ~(1<<PF7 | 1<<PF6 | 1<<PF5 | 1<<PF4); |
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#endif |
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} |
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void softpwm_led_off(void) |
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{ |
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#if defined(GH60_REV_CHN) |
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PORTB &= ~(1<<PB6); |
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#else |
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PORTF |= (1<<PF7 | 1<<PF6 | 1<<PF5 | 1<<PF4); |
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#endif |
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} |
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#endif |
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#ifndef SOFTPWM_LED_ENABLE |
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#if defined(GH60_REV_CHN) |
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#else |
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ISR(TIMER1_COMPA_vect) |
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@@ -155,5 +211,6 @@ ISR(TIMER1_COMPA_vect) |
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} |
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} |
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#endif |
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#endif |
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#endif |