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// BLF/TLF FW3A PWM helper functions
// Copyright (C) 2019-2023 Selene ToyKeeper
// SPDX-License-Identifier: GPL-3.0-or-later
#pragma once
void set_level_zero();
void set_level_main(uint8_t level);
bool gradual_tick_main(uint8_t gt);
Channel channels[] = {
{ // main LEDs
.set_level = set_level_main,
.gradual_tick = gradual_tick_main
},
};
void set_level_zero() {
CH1_PWM = 0;
CH2_PWM = 0;
#ifdef CH3_PIN
CH3_PWM = 0;
#endif
}
// TODO: implement delta-sigma modulation for better low modes
// single set of LEDs with 3 stacked power channels, FET+N+1
// (or just use N+1 on the no-FET model or FET+1 model)
void set_level_main(uint8_t level) {
PWM_DATATYPE ch1_pwm = PWM_GET(pwm1_levels, level);
PWM_DATATYPE ch2_pwm = PWM_GET(pwm2_levels, level);
#ifdef CH3_PIN
PWM_DATATYPE ch3_pwm = PWM_GET(pwm3_levels, level);
#endif
CH1_PWM = ch1_pwm;
CH2_PWM = ch2_pwm;
#ifdef CH3_PIN
CH3_PWM = ch3_pwm;
#endif
}
bool gradual_tick_main(uint8_t gt) {
PWM_DATATYPE pwm1 = PWM_GET(pwm1_levels, gt);
PWM_DATATYPE pwm2 = PWM_GET(pwm2_levels, gt);
#ifdef CH3_PIN
PWM_DATATYPE pwm3 = PWM_GET(pwm3_levels, gt);
#endif
GRADUAL_ADJUST_STACKED(pwm1, CH1_PWM, PWM_TOP_INIT);
#ifdef CH3_PIN
GRADUAL_ADJUST_STACKED(pwm2, CH2_PWM, PWM_TOP_INIT);
GRADUAL_ADJUST_SIMPLE (pwm3, CH3_PWM);
#else
GRADUAL_ADJUST_SIMPLE (pwm2, CH2_PWM);
#endif
if ( (pwm1 == CH1_PWM)
&& (pwm2 == CH2_PWM)
#ifdef CH3_PIN
&& (pwm3 == CH3_PWM)
#endif
) {
return true; // done
}
return false; // not done yet
}
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