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Diffstat (limited to 'hwdef-noctigon-m44.c')
| -rw-r--r-- | hwdef-noctigon-m44.c | 262 |
1 files changed, 0 insertions, 262 deletions
diff --git a/hwdef-noctigon-m44.c b/hwdef-noctigon-m44.c deleted file mode 100644 index 395a7a2..0000000 --- a/hwdef-noctigon-m44.c +++ /dev/null @@ -1,262 +0,0 @@ -// hwdef for Noctigon M44 2-channel light -// Copyright (C) 2023 Selene ToyKeeper -// SPDX-License-Identifier: GPL-3.0-or-later -#pragma once - -#include "chan-rgbaux.c" - - -void set_level_zero(); - -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 -}; - - -void set_level_zero() { - // disable timer overflow interrupt - // (helps improve button press handling from Off state) - DSM_INTCTRL &= ~DSM_OVF_bm; - - // turn off all LEDs - ch1_dsm_lvl = 0; - ch2_dsm_lvl = 0; - CH1_PWM = 0; - CH2_PWM = 0; - PWM_CNT = 0; - CH1_ENABLE_PORT &= ~(1 << CH1_ENABLE_PIN); // disable opamp - CH2_ENABLE_PORT &= ~(1 << CH2_ENABLE_PIN); // disable opamp -} - - -// wrap setting the dsm vars, to get a faster response -// (just setting *_dsm_lvl doesn't work well for strobes) -// set new values for both channels, -// handling any possible combination -// and any before/after state -void set_hw_levels(PWM_DATATYPE ch1, PWM_DATATYPE ch2, - bool ch1_on, bool ch2_on) { - - bool was_on = (CH1_PWM>0) || (CH2_PWM>0) - || ( CH1_ENABLE_PORT & (1 << CH1_ENABLE_PIN) ) - || ( CH2_ENABLE_PORT & (1 << CH2_ENABLE_PIN) ); - //bool now_on = (ch1>0) || (ch2>0) || ch1_on || ch2_on; - - #if 0 // not needed any more, after switching to PWM+DSM - // phase-correct PWM at zero (for flicker-free moon), - // fast PWM otherwise - if (ch1 || ch2) - TCCR1B = (0<<CS12) | (0<<CS11) | (1<<CS10) // clk/1 (no prescaling) (DS table 12-6) - | (1<<WGM13) | (1<<WGM12) // fast adjustable PWM (DS table 12-5) - //| (1<<WGM13) | (0<<WGM12) // phase-correct adjustable PWM (DS table 12-5) - ; - else - TCCR1B = (0<<CS12) | (0<<CS11) | (1<<CS10) // clk/1 (no prescaling) (DS table 12-6) - //| (1<<WGM13) | (1<<WGM12) // fast adjustable PWM (DS table 12-5) - | (1<<WGM13) | (0<<WGM12) // phase-correct adjustable PWM (DS table 12-5) - ; - #endif - - if (ch1 || ch1_on) - CH1_ENABLE_PORT |= (1 << CH1_ENABLE_PIN); // enable opamp - else - CH1_ENABLE_PORT &= ~(1 << CH1_ENABLE_PIN); // disable opamp - - if (ch2 || ch2_on) - CH2_ENABLE_PORT |= (1 << CH2_ENABLE_PIN); // enable opamp - else - CH2_ENABLE_PORT &= ~(1 << CH2_ENABLE_PIN); // disable opamp - - // set delta-sigma soft levels - ch1_dsm_lvl = ch1; - ch2_dsm_lvl = ch2; - - // set hardware PWM levels and init dsm loop - CH1_PWM = ch1_pwm = ch1 >> 7; - CH2_PWM = ch2_pwm = ch2 >> 7; - - #if 0 // not needed any more, after switching to PWM+DSM - // manual phase sync when changing level while already on - if (was_on && now_on) while(PWM_CNT > (top - 32)) {} - - PWM_TOP = top; - #endif - - // enable timer overflow interrupt so DSM can work - DSM_INTCTRL |= DSM_OVF_bm; - - // reset phase when turning on - //if ((! was_on) | (! now_on)) PWM_CNT = 0; - if (! was_on) PWM_CNT = 0; - -} - -// delta-sigma modulation of PWM outputs -// happens on each Timer overflow (every 512 cpu clock cycles) -// uses 8-bit pwm w/ 7-bit dsm (0b 0PPP PPPP PDDD DDDD) -ISR(DSM_vect) { - // set new hardware values first, - // for best timing (reduce effect of interrupt jitter) - CH1_PWM = ch1_pwm; - CH2_PWM = ch2_pwm; - - // calculate next values, now that timing matters less - - // accumulate error - ch1_dsm += (ch1_dsm_lvl & 0x007f); - // next PWM = base PWM value + carry bit - ch1_pwm = (ch1_dsm_lvl >> 7) + (ch1_dsm > 0x7f); - // clear carry bit - ch1_dsm &= 0x7f; - - // repeat for other channels - - ch2_dsm += (ch2_dsm_lvl & 0x007f); - ch2_pwm = (ch2_dsm_lvl >> 7) + (ch2_dsm > 0x7f); - ch2_dsm &= 0x7f; -} - - -void set_level_ch1(uint8_t level) { - PWM_DATATYPE pwm = PWM_GET(pwm1_levels, level); - set_hw_levels(pwm, 0, - 1, 0); -} - -void set_level_ch2(uint8_t level) { - PWM_DATATYPE pwm = PWM_GET(pwm1_levels, level); - set_hw_levels(0, pwm, - 0, 1); -} - -void set_level_both(uint8_t level) { - PWM_DATATYPE pwm = PWM_GET(pwm1_levels, level); - set_hw_levels(pwm, pwm, - 1, 1); -} - -void blend_helper(PWM_DATATYPE *warm, PWM_DATATYPE *cool, uint8_t level) { - PWM_DATATYPE brightness = PWM_GET(pwm1_levels, level); - uint8_t blend; - if (channel_mode == CM_AUTO) { - blend = 255 * (uint16_t)level / RAMP_SIZE; - if (cfg.channel_mode_args[channel_mode] & 0b01000000) - blend = 255 - blend; - } else { - blend = cfg.channel_mode_args[channel_mode]; - } - - calc_2ch_blend(warm, cool, brightness, DSM_TOP, blend); -} - -void set_level_blend(uint8_t level) { - PWM_DATATYPE warm, cool; - uint8_t blend = cfg.channel_mode_args[channel_mode]; - blend_helper(&warm, &cool, level); - // don't turn off either emitter entirely while using middle blends - set_hw_levels(warm, cool, - blend < 255, blend > 0); -} - -void set_level_auto(uint8_t level) { - PWM_DATATYPE warm, cool; - blend_helper(&warm, &cool, level); - // don't turn off either emitter entirely - // (it blinks pretty bright when the regulator turns on mid-ramp) - set_hw_levels(warm, cool, - 1, 1); -} - -///// "gradual tick" functions for smooth thermal regulation ///// -// (and other smooth adjustments) - -///// bump each channel toward a target value ///// -bool gradual_adjust(PWM_DATATYPE ch1, PWM_DATATYPE ch2) { - // adjust multiple times based on current brightness - // (so it adjusts faster/coarser when bright, slower/finer when dim) - - // higher shift = slower/finer adjustments - const uint8_t shift = 9; // ((255 << 7) >> 9) = 63 max - uint8_t steps; - - steps = ch1_dsm_lvl >> shift; - for (uint8_t i=0; i<=steps; i++) - GRADUAL_ADJUST_SIMPLE(ch1, ch1_dsm_lvl); - - steps = ch2_dsm_lvl >> shift; - for (uint8_t i=0; i<=steps; i++) - GRADUAL_ADJUST_SIMPLE(ch2, ch2_dsm_lvl); - - if ((ch1 == ch1_dsm_lvl) - && (ch2 == ch2_dsm_lvl )) { - return true; // done - } - return false; // not done yet -} - -bool gradual_tick_ch1(uint8_t gt) { - PWM_DATATYPE pwm = PWM_GET(pwm1_levels, gt); - return gradual_adjust(pwm, 0); -} - -bool gradual_tick_ch2(uint8_t gt) { - PWM_DATATYPE pwm = PWM_GET(pwm1_levels, gt); - return gradual_adjust(0, pwm); -} - -bool gradual_tick_both(uint8_t gt) { - PWM_DATATYPE pwm = PWM_GET(pwm1_levels, gt); - return gradual_adjust(pwm, pwm); -} - -bool gradual_tick_blend(uint8_t gt) { - PWM_DATATYPE warm, cool; - blend_helper(&warm, &cool, gt); - return gradual_adjust(warm, cool); -} - -bool gradual_tick_auto(uint8_t gt) { - PWM_DATATYPE warm, cool; - blend_helper(&warm, &cool, gt); - return gradual_adjust(warm, cool); -} - - |