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// Emisar generic 2-channel + DD FET w/ tint ramping
// Copyright (C) 2021-2023 Selene ToyKeeper
// SPDX-License-Identifier: GPL-3.0-or-later
#pragma once
#include "chan-rgbaux.c"
void set_level_ch1(uint8_t level);
void set_level_ch2(uint8_t level);
void set_level_both(uint8_t level);
void set_level_blend(uint8_t level);
void set_level_auto(uint8_t level);
bool gradual_tick_ch1(uint8_t gt);
bool gradual_tick_ch2(uint8_t gt);
bool gradual_tick_both(uint8_t gt);
bool gradual_tick_blend(uint8_t gt);
bool gradual_tick_auto(uint8_t gt);
Channel channels[] = {
{ // channel 1 only
.set_level = set_level_ch1,
.gradual_tick = gradual_tick_ch1,
.has_args = 0
},
{ // channel 2 only
.set_level = set_level_ch2,
.gradual_tick = gradual_tick_ch2,
.has_args = 0
},
{ // both channels, tied together (max "200%" power)
.set_level = set_level_both,
.gradual_tick = gradual_tick_both,
.has_args = 0
},
{ // both channels, manual blend (max "100%" power)
.set_level = set_level_blend,
.gradual_tick = gradual_tick_blend,
.has_args = 1
},
{ // both channels, auto blend
.set_level = set_level_auto,
.gradual_tick = gradual_tick_auto,
.has_args = 1
},
RGB_AUX_CHANNELS
};
// set new values for both channels,
// handling any possible combination
// and any before/after state
void set_pwms(uint8_t ch1_pwm, uint8_t ch2_pwm, uint8_t ch3_pwm, uint16_t top) {
bool was_on = (CH1_PWM>0) | (CH2_PWM>0) | (CH3_PWM>0);
bool now_on = (ch1_pwm>0) | (ch2_pwm>0) | (ch3_pwm>0);
if (! now_on) {
CH1_PWM = 0; // linear
CH2_PWM = 0; // linear
CH3_PWM = 0; // DD FET
PWM_TOP = PWM_TOP_INIT;
PWM_CNT = 0;
CH1_ENABLE_PORT &= ~(1 << CH1_ENABLE_PIN); // disable opamp
CH2_ENABLE_PORT &= ~(1 << CH2_ENABLE_PIN); // disable opamp
return;
}
if (ch1_pwm)
CH1_ENABLE_PORT |= (1 << CH1_ENABLE_PIN); // enable opamp
else
CH1_ENABLE_PORT &= ~(1 << CH1_ENABLE_PIN); // disable opamp
if (ch2_pwm)
CH2_ENABLE_PORT |= (1 << CH2_ENABLE_PIN); // enable opamp
else
CH2_ENABLE_PORT &= ~(1 << CH2_ENABLE_PIN); // disable opamp
CH1_PWM = ch1_pwm;
CH2_PWM = ch2_pwm;
CH3_PWM = ch3_pwm;
// manual phase sync when changing level while already on
if (was_on && now_on) while(PWM_CNT > (top - 32)) {}
PWM_TOP = top;
// reset phase when turning on or off
//if ((! was_on) | (! now_on)) PWM_CNT = 0;
if (! was_on) PWM_CNT = 0;
}
void set_level_ch1(uint8_t level) {
if (0 == level)
return set_pwms(0, 0, 0, PWM_TOP_INIT);
level --;
uint8_t pwm1 = PWM_GET8 (pwm1_levels, level);
uint8_t pwm3 = PWM_GET8 (pwm2_levels, level);
uint16_t top = PWM_GET16(pwm3_levels, level);
set_pwms(pwm1, 0, pwm3, top);
}
void set_level_ch2(uint8_t level) {
if (0 == level)
return set_pwms(0, 0, 0, PWM_TOP_INIT);
level --;
uint8_t pwm2 = PWM_GET8 (pwm4_levels, level);
uint16_t top = PWM_GET16(pwm5_levels, level);
set_pwms(0, pwm2, 0, top);
}
void set_level_both(uint8_t level) {
if (0 == level)
return set_pwms(0, 0, 0, PWM_TOP_INIT);
level --;
uint8_t pwm1 = PWM_GET8 (pwm1_levels, level);
uint8_t pwm3 = PWM_GET8 (pwm2_levels, level);
uint16_t top = PWM_GET16(pwm3_levels, level);
set_pwms(pwm1, pwm1, pwm3, top);
}
void set_level_blend(uint8_t level) {
if (0 == level)
return set_pwms(0, 0, 0, PWM_TOP_INIT);
level --;
uint16_t pwm1, pwm2;
uint8_t pwm3 = PWM_GET8 (pwm2_levels, level); // DD FET
//uint16_t brightness = PWM_GET8 (pwm1_levels, level) << 1;
uint16_t brightness = PWM_GET8 (pwm1_levels, level) + pwm3;
uint16_t top = PWM_GET16(pwm3_levels, level);
uint8_t blend = cfg.channel_mode_args[channel_mode];
calc_2ch_blend(&pwm1, &pwm2, brightness, top, blend);
set_pwms(pwm1, pwm2, pwm3, top);
}
void set_level_auto(uint8_t level) {
if (0 == level)
return set_pwms(0, 0, 0, PWM_TOP_INIT);
level --;
uint16_t pwm1, pwm2;
uint8_t brightness = PWM_GET8 (pwm4_levels, level);
uint16_t top = PWM_GET16(pwm5_levels, level);
uint8_t blend = 255 * (uint16_t)level / RAMP_SIZE;
if (cfg.channel_mode_args[channel_mode] & 0b01000000)
blend = 255 - blend;
calc_2ch_blend(&pwm1, &pwm2, brightness, top, blend);
set_pwms(pwm1, pwm2, 0, top);
}
///// bump each channel toward a target value /////
bool gradual_adjust(uint8_t ch1_pwm, uint8_t ch2_pwm, uint8_t ch3_pwm) {
GRADUAL_ADJUST_STACKED(ch1_pwm, CH1_PWM, PWM_TOP_INIT);
GRADUAL_ADJUST_STACKED(ch2_pwm, CH2_PWM, PWM_TOP_INIT);
GRADUAL_ADJUST_SIMPLE (ch3_pwm, CH3_PWM);
// check for completion
if ((ch1_pwm == CH1_PWM)
&& (ch2_pwm == CH2_PWM)
&& (ch3_pwm == CH3_PWM)) {
return true; // done
}
return false; // not done yet
}
bool gradual_tick_ch1(uint8_t gt) {
uint8_t pwm1 = PWM_GET8(pwm1_levels, gt);
uint8_t pwm3 = PWM_GET8(pwm2_levels, gt);
return gradual_adjust(pwm1, 0, pwm3);
}
bool gradual_tick_ch2(uint8_t gt) {
uint8_t pwm2 = PWM_GET8(pwm4_levels, gt);
return gradual_adjust(0, pwm2, 0);
}
bool gradual_tick_both(uint8_t gt) {
uint8_t pwm1 = PWM_GET8(pwm1_levels, gt);
uint8_t pwm3 = PWM_GET8(pwm2_levels, gt);
return gradual_adjust(pwm1, pwm1, pwm3);
}
bool gradual_tick_blend(uint8_t level) {
uint16_t pwm1, pwm2;
uint8_t pwm3 = PWM_GET8 (pwm2_levels, level); // DD FET
//uint16_t brightness = PWM_GET8 (pwm1_levels, level) << 1;
uint16_t brightness = PWM_GET8 (pwm1_levels, level) + pwm3;
uint16_t top = PWM_GET16(pwm3_levels, level);
uint8_t blend = cfg.channel_mode_args[channel_mode];
calc_2ch_blend(&pwm1, &pwm2, brightness, top, blend);
return gradual_adjust(pwm1, pwm2, pwm3);
}
bool gradual_tick_auto(uint8_t level) {
uint16_t pwm1, pwm2;
uint8_t brightness = PWM_GET8 (pwm4_levels, level);
uint16_t top = PWM_GET16(pwm5_levels, level);
uint8_t blend = 255 * (uint16_t)level / RAMP_SIZE;
if (cfg.channel_mode_args[channel_mode] & 0b01000000)
blend = 255 - blend;
calc_2ch_blend(&pwm1, &pwm2, brightness, top, blend);
return gradual_adjust(pwm1, pwm2, 0);
}
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