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@@ -33,20 +33,26 @@ void backlight_set(uint8_t level) |
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// Turn on PWM |
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cli(); |
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DDRC |= (1<<PC6); |
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TCCR3A |= ( (1<<WGM30) | (1<<COM3A1) ); |
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//TCCR3A = 0b10101001; |
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//TCCR3B = 0b00000011; |
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TCCR3A |= ( (1<<WGM30) | (1<<COM3A1) | (1<<COM3B1) | (1<<COM3C1) ); |
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TCCR3B |= ( (1<<CS31) | (1<<CS30) ); |
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sei(); |
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// Set PWM |
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OCR3A = pgm_read_byte(&backlight_table[level]); |
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OCR3B = pgm_read_byte(&backlight_table[level]); |
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} |
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else { |
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// Turn off PWM |
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cli(); |
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DDRC &= ~(1<<PC6); |
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TCCR3A &= ~( (1<<WGM30) | (1<<COM3A1) ); |
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//TCCR3A = 0b00000000; |
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//TCCR3B = 0b00000000; |
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TCCR3A &= ~( (1<<WGM30) | (1<<COM3A1) | (1<<COM3B1) | (1<<COM3C1) ); |
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TCCR3B &= ~( (1<<CS31) | (1<<CS30) ); |
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sei(); |
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// Set PWM |
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OCR3A = 0; |
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OCR3B = 0; |
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} |
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} |
Kai Ryu
10 년 전