From fb146684fa9e7b960de0c52d55fc3e04d71ee13c Mon Sep 17 00:00:00 2001
From: Selene ToyKeeper
Date: Mon, 3 Jul 2023 02:54:09 -0600
Subject: added Noctigon M44 sources (oops, forgot to do this earlier) (files
 are dated 2023-05-30)

---
 hwdef-noctigon-m44.c | 165 +++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 165 insertions(+)
 create mode 100644 hwdef-noctigon-m44.c

(limited to 'hwdef-noctigon-m44.c')

diff --git a/hwdef-noctigon-m44.c b/hwdef-noctigon-m44.c
new file mode 100644
index 0000000..482ef05
--- /dev/null
+++ b/hwdef-noctigon-m44.c
@@ -0,0 +1,165 @@
+// hwdef for Noctigon M44 2-channel light
+// Copyright (C) 2023 Selene ToyKeeper
+// SPDX-License-Identifier: GPL-3.0-or-later
+#pragma once
+
+// set new values for both channels,
+// handling any possible combination
+// and any before/after state
+void set_pwms(uint16_t ch1_pwm, uint16_t ch2_pwm, uint16_t top) {
+    bool was_on = (CH1_PWM>0) | (CH2_PWM>0);
+    bool now_on = (ch1_pwm>0) | (ch2_pwm>0);
+
+    if (! now_on) {
+        CH1_PWM = 0;
+        CH2_PWM = 0;
+        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;
+
+    // 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, PWM_TOP_INIT);
+
+    level --;
+    uint16_t pwm = PWM_GET(pwm1_levels, level);
+    uint16_t top = PWM_GET(pwm_tops, level);
+    set_pwms(pwm, 0, top);
+}
+
+void set_level_ch2(uint8_t level) {
+    if (0 == level)
+        return set_pwms(0, 0, PWM_TOP_INIT);
+
+    level --;
+    uint16_t pwm = PWM_GET(pwm1_levels, level);
+    uint16_t top = PWM_GET(pwm_tops, level);
+    set_pwms(0, pwm, top);
+}
+
+void set_level_both(uint8_t level) {
+    if (0 == level)
+        return set_pwms(0, 0, PWM_TOP_INIT);
+
+    level --;
+    uint16_t pwm = PWM_GET(pwm1_levels, level);
+    uint16_t top = PWM_GET(pwm_tops, level);
+    set_pwms(pwm, pwm, top);
+}
+
+void set_level_blend(uint8_t level) {
+    if (0 == level)
+        return set_pwms(0, 0, PWM_TOP_INIT);
+
+    level --;
+    PWM_DATATYPE ch1_pwm, ch2_pwm;
+    PWM_DATATYPE brightness = PWM_GET(pwm1_levels, level);
+    PWM_DATATYPE top        = PWM_GET(pwm_tops, level);
+    uint8_t blend           = cfg.channel_mode_args[cfg.channel_mode];
+
+    calc_2ch_blend(&ch1_pwm, &ch2_pwm, brightness, top, blend);
+
+    // don't turn off either emitter entirely while using middle blends
+    if ((0 == ch1_pwm) && (blend < 255)) ch1_pwm = 1;
+    if ((0 == ch2_pwm) && (blend > 0)) ch2_pwm = 1;
+
+    set_pwms(ch1_pwm, ch2_pwm, top);
+}
+
+void set_level_auto(uint8_t level) {
+    if (0 == level)
+        return set_pwms(0, 0, PWM_TOP_INIT);
+
+    level --;
+    PWM_DATATYPE ch1_pwm, ch2_pwm;
+    PWM_DATATYPE brightness = PWM_GET(pwm1_levels, level);
+    PWM_DATATYPE top        = PWM_GET(pwm_tops, level);
+    uint8_t blend           = 255 * (uint16_t)level / RAMP_SIZE;
+    if (cfg.channel_mode_args[cfg.channel_mode] & 0b01000000)
+        blend = 255 - blend;
+
+    calc_2ch_blend(&ch1_pwm, &ch2_pwm, brightness, top, blend);
+
+    set_pwms(ch1_pwm, ch2_pwm, top);
+}
+
+
+///// bump each channel toward a target value /////
+bool gradual_adjust(uint16_t ch1_pwm, uint16_t ch2_pwm) {
+    GRADUAL_ADJUST_SIMPLE(ch1_pwm, CH1_PWM);
+    GRADUAL_ADJUST_SIMPLE(ch2_pwm, CH2_PWM);
+
+    // check for completion
+    if ((ch1_pwm == CH1_PWM)
+     && (ch2_pwm == CH2_PWM)) {
+        return true;  // done
+    }
+    return false;  // not done yet
+}
+
+bool gradual_tick_ch1(uint8_t gt) {
+    uint16_t pwm = PWM_GET(pwm1_levels, gt);
+    return gradual_adjust(pwm, 0);
+}
+
+bool gradual_tick_ch2(uint8_t gt) {
+    uint16_t pwm = PWM_GET(pwm1_levels, gt);
+    return gradual_adjust(0, pwm);
+}
+
+bool gradual_tick_both(uint8_t gt) {
+    uint16_t pwm = PWM_GET(pwm1_levels, gt);
+    return gradual_adjust(pwm, pwm);
+}
+
+bool gradual_tick_blend(uint8_t gt) {
+    PWM_DATATYPE ch1_pwm, ch2_pwm;
+    PWM_DATATYPE brightness = PWM_GET(pwm1_levels, gt);
+    PWM_DATATYPE top        = PWM_GET(pwm_tops, gt);
+    uint8_t blend           = cfg.channel_mode_args[cfg.channel_mode];
+
+    calc_2ch_blend(&ch1_pwm, &ch2_pwm, brightness, top, blend);
+
+    return gradual_adjust(ch1_pwm, ch2_pwm);
+}
+
+bool gradual_tick_auto(uint8_t gt) {
+    PWM_DATATYPE ch1_pwm, ch2_pwm;
+    PWM_DATATYPE brightness = PWM_GET(pwm1_levels, gt);
+    PWM_DATATYPE top        = PWM_GET(pwm_tops, gt);
+    uint8_t blend           = 255 * (uint16_t)gt / RAMP_SIZE;
+    if (cfg.channel_mode_args[cfg.channel_mode] & 0b01000000)
+        blend = 255 - blend;
+
+    calc_2ch_blend(&ch1_pwm, &ch2_pwm, brightness, top, blend);
+
+    return gradual_adjust(ch1_pwm, ch2_pwm);
+}
+
+
-- 
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