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-rw-r--r--hwdef-blf-lt1-t1616.c210
1 files changed, 0 insertions, 210 deletions
diff --git a/hwdef-blf-lt1-t1616.c b/hwdef-blf-lt1-t1616.c
deleted file mode 100644
index 9d268a4..0000000
--- a/hwdef-blf-lt1-t1616.c
+++ /dev/null
@@ -1,210 +0,0 @@
-// Sofirn LT1-t1616 PWM helpers
-// Copyright (C) 2023 SiteRelEnby, Selene ToyKeeper
-// SPDX-License-Identifier: GPL-3.0-or-later
-#pragma once
-
-#include "chan-aux.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
- },
- AUX_CHANNELS
-};
-
-
-void set_level_zero() {
- // disable timer overflow interrupt
- // (helps improve button press handling from Off state)
- DSM_INTCTRL = 0;
-
- // turn off all LEDs
- ch1_dsm_lvl = 0;
- ch2_dsm_lvl = 0;
- CH1_PWM = 0;
- CH2_PWM = 0;
- PWM_CNT = 0;
-}
-
-void set_hw_levels(PWM_DATATYPE ch1, PWM_DATATYPE ch2) {
-
- bool was_on = (CH1_PWM>0) || (CH2_PWM>0);
-
- // 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;
-
- // enable timer overflow interrupt so DSM can work
- DSM_INTCTRL = DSM_OVF_bm;
-
- // reset phase when turning on
- 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;
-
- // clear the interrupt flag to indicate it was handled
- // as per: https://onlinedocs.microchip.com/pr/GUID-C37FFBA8-82C6-4339-A2B1-ABD9A0F6C162-en-US-8/index.html?GUID-C2A2BEFD-158F-413D-B9D4-0F0556AA79BD
- DSM_INTFLAGS = DSM_OVF_bm;
-}
-
-
-void set_level_ch1(uint8_t level) {
- set_hw_levels(PWM_GET(pwm1_levels, level), 0);
-}
-
-void set_level_ch2(uint8_t level) {
- set_hw_levels(0, PWM_GET(pwm1_levels, level));
-}
-
-void set_level_both(uint8_t level) {
- PWM_DATATYPE pwm = PWM_GET(pwm1_levels, level);
- set_hw_levels(pwm, pwm);
-}
-
-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;
- blend_helper(&warm, &cool, level);
- set_hw_levels(warm, cool);
-}
-
-void set_level_auto(uint8_t level) {
- PWM_DATATYPE warm, cool;
- blend_helper(&warm, &cool, level);
- set_hw_levels(warm, cool);
-}
-
-///// "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);
-}
-
-
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