Move LED strip initialization (#397)
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@@ -20,11 +20,6 @@ void matrix_init_kb(void) {
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backlight_init_ports();
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#endif
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#ifdef RGBLIGHT_ENABLE
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rgblight_init();
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#endif
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// Turn status LED on
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DDRE |= (1<<6);
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PORTE |= (1<<6);
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@@ -49,20 +44,20 @@ void backlight_init_ports()
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// Setup PB7 as output and output low.
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DDRB |= (1<<7);
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PORTB &= ~(1<<7);
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// Use full 16-bit resolution.
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// Use full 16-bit resolution.
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ICR1 = 0xFFFF;
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// I could write a wall of text here to explain... but TL;DW
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// Go read the ATmega32u4 datasheet.
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// And this: http://blog.saikoled.com/post/43165849837/secret-konami-cheat-code-to-high-resolution-pwm-on
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// Pin PB7 = OCR1C (Timer 1, Channel C)
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// Compare Output Mode = Clear on compare match, Channel C = COM1C1=1 COM1C0=0
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// (i.e. start high, go low when counter matches.)
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// WGM Mode 14 (Fast PWM) = WGM13=1 WGM12=1 WGM11=1 WGM10=0
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// Clock Select = clk/1 (no prescaling) = CS12=0 CS11=0 CS10=1
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TCCR1A = _BV(COM1C1) | _BV(WGM11); // = 0b00001010;
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TCCR1B = _BV(WGM13) | _BV(WGM12) | _BV(CS10); // = 0b00011001;
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@@ -88,7 +83,7 @@ void backlight_set(uint8_t level)
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// Set the brightness
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CHANNEL = 0xFFFF;
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}
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else
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else
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{
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// Prevent backlight blink on lowest level
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PORTB &= ~(_BV(PORTB7));
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@@ -99,4 +94,4 @@ void backlight_set(uint8_t level)
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}
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}
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#endif
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#endif
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