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  • Committer: Selene ToyKeeper
  • Date: 2023-11-04 15:09:10 UTC
  • mfrom: (483.1.175 anduril2)
  • Revision ID: bzr@toykeeper.net-20231104150910-ddd3afw4nhfvof2l
merged anduril2 branch -> fsm, with *years* of changes
(this also means this code is now Anduril 2 instead of Anduril 1)

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ToyKeeper/hwdef-noctigon-kr4.c
 
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// Noctigon KR4 PWM helper functions
 
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// Copyright (C) 2020-2023 Selene ToyKeeper
 
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// SPDX-License-Identifier: GPL-3.0-or-later
 
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#pragma once
 
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#include "chan-rgbaux.c"
 
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void set_level_zero();
 
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void set_level_main(uint8_t level);
 
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bool gradual_tick_main(uint8_t gt);
 
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Channel channels[] = {
 
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    { // channel 1 only
 
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        .set_level    = set_level_main,
 
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        .gradual_tick = gradual_tick_main
 
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    },
 
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    RGB_AUX_CHANNELS
 
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};
 
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void set_level_zero() {
 
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    CH1_PWM = 0;
 
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    CH2_PWM = 0;
 
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    PWM_CNT = 0;  // reset phase
 
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    CH1_ENABLE_PORT &= ~(1 << CH1_ENABLE_PIN);  // disable opamp
 
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}
 
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// single set of LEDs with 2 stacked power channels, linear + DD FET
 
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void set_level_main(uint8_t level) {
 
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    CH1_ENABLE_PORT |= (1 << CH1_ENABLE_PIN);  // enable opamp
 
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    PWM_DATATYPE ch1_pwm = PWM_GET(pwm1_levels, level);
 
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    PWM_DATATYPE ch2_pwm = PWM_GET(pwm2_levels, level);
 
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    // pulse frequency modulation, a.k.a. dynamic PWM
 
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    uint16_t top = PWM_GET16(pwm_tops, level);
 
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    CH1_PWM = ch1_pwm;
 
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    CH2_PWM = ch2_pwm;
 
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    // wait to sync the counter and avoid flashes
 
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    while(actual_level && (PWM_CNT > (top - 32))) {}
 
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    PWM_TOP = top;
 
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    // force reset phase when turning on from zero
 
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    // (because otherwise the initial response is inconsistent)
 
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    if (! actual_level) PWM_CNT = 0;
 
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}
 
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bool gradual_tick_main(uint8_t gt) {
 
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    PWM_DATATYPE pwm1 = PWM_GET(pwm1_levels, gt);
 
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    PWM_DATATYPE pwm2 = PWM_GET(pwm2_levels, gt);
 
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    GRADUAL_ADJUST_STACKED(pwm1, CH1_PWM, PWM_TOP_INIT);
 
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    GRADUAL_ADJUST_SIMPLE (pwm2, CH2_PWM);
 
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    if (   (pwm1 == CH1_PWM)
 
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        && (pwm2 == CH2_PWM)
 
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       ) {
 
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        return true;  // done
 
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    }
 
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    return false;  // not done yet
 
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}
 
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