Fixed brightness control; Reduced number of brightness levels to 4.
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@ -36,14 +36,26 @@ void backlight_set(uint8_t level)
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{
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// Turn off PWM control on PB7, revert to output low.
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TCCR1A &= ~(_BV(COM1C1));
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// CHANNEL = level << OFFSET | 0x0FFF;
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CHANNEL = ((1 << level) - 1);
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CHANNEL = 0x0;
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// Prevent backlight blink on lowest level
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PORTB &= ~(_BV(PORTB7));
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}
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else if ( level == BACKLIGHT_LEVELS )
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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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// Turn on PWM control of PB7
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TCCR1A |= _BV(COM1C1);
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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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{
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// Prevent backlight blink on lowest level
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PORTB &= ~(_BV(PORTB7));
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// Turn on PWM control of PB7
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TCCR1A |= _BV(COM1C1);
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// CHANNEL = level << OFFSET | 0x0FFF;
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CHANNEL = ((1 << level) - 1);
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// Set the brightness
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CHANNEL = 0xFFFF >> ((BACKLIGHT_LEVELS - level) * ((BACKLIGHT_LEVELS + 1) / 2));
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}
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}
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@ -35,8 +35,7 @@ along with this program. If not, see <http://www.gnu.org/licenses/>.
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//#define MATRIX_HAS_GHOST
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/* number of backlight levels */
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/* NOTE: this is the max value of 0..BACKLIGHT_LEVELS so really 16 levels. */
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#define BACKLIGHT_LEVELS 15
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#define BACKLIGHT_LEVELS 3
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/* Set 0 if debouncing isn't needed */
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#define DEBOUNCE 5
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@ -51,18 +50,16 @@ along with this program. If not, see <http://www.gnu.org/licenses/>.
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keyboard_report->mods == (MOD_BIT(KC_LSHIFT) | MOD_BIT(KC_RSHIFT)) \
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)
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/*
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* Feature disable options
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* These options are also useful to firmware size reduction.
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*/
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/* disable debug print */
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//#define NO_DEBUG
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#define NO_DEBUG
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/* disable print */
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//#define NO_PRINT
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#define NO_PRINT
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/* disable action features */
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//#define NO_ACTION_LAYER
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