diff options
Diffstat (limited to '')
| -rw-r--r-- | hwdef-emisar-d4k-3ch.c | 17 |
1 files changed, 12 insertions, 5 deletions
diff --git a/hwdef-emisar-d4k-3ch.c b/hwdef-emisar-d4k-3ch.c index ac9c597..8c46003 100644 --- a/hwdef-emisar-d4k-3ch.c +++ b/hwdef-emisar-d4k-3ch.c @@ -228,18 +228,24 @@ void calc_auto_3ch_blend( // tint goes from 0 (red) to 127 (warm white) to 255 (cool white) uint8_t mytint; - mytint = 255 * (uint16_t)level / RAMP_SIZE; + mytint = 255 * (uint16_t)(level+1) / RAMP_SIZE; + + uint8_t falling=0, rising=0; + if (level < (RAMP_SIZE/2)) + falling = 255 - triangle_wave(mytint); + else + rising = 255 - triangle_wave(mytint); // TODO: make "a" drop to zero sooner, and "c" start ramping up later // red is high at 0, low at 255 (linear) - *a = (((PWM_DATATYPE2)(255 - mytint) + *a = (((PWM_DATATYPE2)falling * (PWM_DATATYPE2)vpwm) + 127) / 255; // warm white is low at 0 and 255, high at 127 (linear triangle) *b = (((PWM_DATATYPE2)triangle_wave(mytint) - * (PWM_DATATYPE2)vpwm) + 127) / 255; + * (PWM_DATATYPE2)vpwm) ) / 255; // cool white is low at 0, high at 255 (linear) *c = (uint8_t)( - (((PWM_DATATYPE2)mytint + (((PWM_DATATYPE2)rising * (PWM_DATATYPE2)vpwm8) + 127) / 255 ); @@ -254,7 +260,8 @@ void set_level_auto3(uint8_t level) { // pulse frequency modulation, a.k.a. dynamic PWM uint16_t top = PWM_GET(pwm_tops, level); - if (a > 0) LED4_ENABLE_PORT |= (1 << LED4_ENABLE_PIN ); + if ((a > 0) || (0 == level)) // don't turn off at bottom level + LED4_ENABLE_PORT |= (1 << LED4_ENABLE_PIN ); else LED4_ENABLE_PORT &= ~(1 << LED4_ENABLE_PIN ); if (b > 0) LED3_ENABLE_PORT |= (1 << LED3_ENABLE_PIN ); else LED3_ENABLE_PORT &= ~(1 << LED3_ENABLE_PIN ); |