converted all K9.3 builds and D4Sv2-tintramp-fet (now emisar-2ch-fet)

to multi-channel, and removed old K9.3 builds which aren't relevant any more,
and old D4Sv2-tintramp builds

15 files changed, 656 insertions, 647 deletions

diff --git a/hwdef-Emisar_D4Sv2-tintramp.h b/hwdef-Emisar_D4Sv2-tintramp.h
deleted file mode 100644
index 2709bc4..0000000
--- a/hwdef-Emisar_D4Sv2-tintramp.h
+++ /dev/null
@@ -1,189 +0,0 @@
-// Emisar D4Sv2 w/ tint ramping
-// Copyright (C) 2021-2023 Selene ToyKeeper
-// SPDX-License-Identifier: GPL-3.0-or-later
-#pragma once
-
-/*
- * (based on the Noctigon K9.3 driver layout (attiny1634))
- *
- * Pin / Name / Function
- *   1    PA6   2nd LED PWM (linear) (PWM1B)
- *   2    PA5   R: red aux LED (PWM0B)
- *   3    PA4   G: green aux LED
- *   4    PA3   B: blue aux LED
- *   5    PA2   button LED
- *   6    PA1   Opamp 2 enable (2nd LEDs)
- *   7    PA0   Opamp 1 enable (main LEDs)
- *   8    GND   GND
- *   9    VCC   VCC
- *  10    PC5   (none)
- *  11    PC4   (none)
- *  12    PC3   RESET
- *  13    PC2   (none)
- *  14    PC1   SCK
- *  15    PC0   main LED PWM (FET) (PWM0A) (unused on some models because tint ramping)
- *  16    PB3   main LED PWM (linear) (PWM1A)
- *  17    PB2   MISO
- *  18    PB1   MOSI / battery voltage (ADC6)
- *  19    PB0   (none)
- *  20    PA7   e-switch (PCINT7)
- *      ADC12   thermal sensor
- *
- * Main LED power uses one pin to turn the Opamp on/off,
- * and one pin to control Opamp power level.
- * Main brightness control uses the power level pin, with 4 kHz 10-bit PWM.
- * The on/off pin is only used to turn the main LED on and off,
- * not to change brightness.
- */
-
-#ifdef ATTINY
-#undef ATTINY
-#endif
-#define ATTINY 1634
-#include <avr/io.h>
-
-#define PWM_CHANNELS 1  // 1 virtual channel (1 for main LEDs + 1 for 2nd LEDs)
-#define PWM_BITS 14     // 0 to 16383 at variable Hz, not 0 to 255 at 16 kHz
-#define PWM_TOP 511
-// dynamic PWM with tint ramping
-#define USE_DYN_PWM  // dynamic frequency and speed
-#define PWM_DATATYPE2 uint32_t  // only needs 32-bit if ramp values go over 255
-
-#ifndef SWITCH_PIN
-#define SWITCH_PIN   PA7     // pin 20
-#define SWITCH_PCINT PCINT7  // pin 20 pin change interrupt
-#define SWITCH_PCIE  PCIE0   // PCIE1 is for PCINT[7:0]
-#define SWITCH_PCMSK PCMSK0  // PCMSK1 is for PCINT[7:0]
-#define SWITCH_PORT  PINA    // PINA or PINB or PINC
-#define SWITCH_PUE   PUEA    // pullup group A
-#define PCINT_vect   PCINT0_vect  // ISR for PCINT[7:0]
-#endif
-
-// usually PWM1_LVL would be a hardware register, but we need to abstract
-// it out to a soft brightness value, in order to handle tint ramping
-// (this allows smooth thermal regulation to work, and makes things
-//  otherwise simpler and easier)
-uint16_t PWM1_LVL;
-#define PWM1_PIN PB3        // pin 16, Opamp reference
-#define TINT1_LVL OCR1A     // OCR1A is the output compare register for PB3
-#define PWM1_CNT TCNT1      // for dynamic PWM, reset phase
-#define PWM1_PHASE_RESET_OFF  // force reset while shutting off
-#define PWM1_PHASE_RESET_ON   // force reset while turning on
-#define PWM1_PHASE_SYNC       // manual sync while changing level
-
-// gah, this driver is weird...
-// two linear channels are treated as one,
-// while there's also a FET on one channel for turbo on half the LEDs
-// so the FET needs to be "PWM2" but the second linear is "TINT2"
-#define PWM3_PIN PA6        // pin 1, 2nd LED Opamp reference
-#define TINT2_LVL OCR1B     // OCR1B is the output compare register for PA6
-
-#define PWM2_PIN PC0        // pin 15, DD FET PWM
-#define PWM2_LVL OCR0A      // OCR0A is the output compare register for PC0
-
-// PWM parameters of both channels are tied together because they share a counter
-#define PWM1_TOP ICR1       // holds the TOP value for for variable-resolution PWM
-
-#define LED_ENABLE_PIN  PA0    // pin 7, Opamp power
-#define LED_ENABLE_PORT PORTA  // control port for PA0
-
-#define LED2_ENABLE_PIN  PA1    // pin 6, Opamp power
-#define LED2_ENABLE_PORT PORTA  // control port for PA1
-
-
-#define USE_VOLTAGE_DIVIDER  // use a dedicated pin, not VCC, because VCC input is flattened
-#define VOLTAGE_PIN PB1      // Pin 18 / PB1 / ADC6
-// pin to ADC mappings are in DS table 19-4
-#define VOLTAGE_ADC      ADC6D  // digital input disable pin for PB1
-// DIDR0/DIDR1 mappings are in DS section 19.13.5, 19.13.6
-#define VOLTAGE_ADC_DIDR DIDR1  // DIDR channel for ADC6D
-// DS tables 19-3, 19-4
-// Bit   7     6     5      4     3    2    1    0
-//     REFS1 REFS0 REFEN ADC0EN MUX3 MUX2 MUX1 MUX0
-// MUX[3:0] = 0, 1, 1, 0 for ADC6 / PB1
-// divided by ...
-// REFS[1:0] = 1, 0 for internal 1.1V reference
-// other bits reserved
-#define ADMUX_VOLTAGE_DIVIDER 0b10000110
-#define ADC_PRSCL   0x07    // clk/128
-
-// Raw ADC readings at 4.4V and 2.2V
-// calibrate the voltage readout here
-// estimated / calculated values are:
-//   (voltage - D1) * (R2/(R2+R1) * 1024 / 1.1)
-// D1, R1, R2 = 0, 330, 100
-#ifndef ADC_44
-//#define ADC_44 981  // raw value at 4.40V
-#define ADC_44 967  // manually tweaked so 4.16V will blink out 4.2
-#endif
-#ifndef ADC_22
-//#define ADC_22 489  // raw value at 2.20V
-#define ADC_22 482  // manually tweaked so 4.16V will blink out 4.2
-#endif
-
-// this light has aux LEDs under the optic
-#define AUXLED_R_PIN    PA5    // pin 2
-#define AUXLED_G_PIN    PA4    // pin 3
-#define AUXLED_B_PIN    PA3    // pin 4
-#define AUXLED_RGB_PORT PORTA  // PORTA or PORTB or PORTC
-#define AUXLED_RGB_DDR  DDRA   // DDRA or DDRB or DDRC
-#define AUXLED_RGB_PUE  PUEA   // PUEA or PUEB or PUEC
-
-#define BUTTON_LED_PIN  PA2    // pin 5
-#define BUTTON_LED_PORT PORTA  // for all "PA" pins
-#define BUTTON_LED_DDR  DDRA   // for all "PA" pins
-#define BUTTON_LED_PUE  PUEA   // for all "PA" pins
-
-// with so many pins, doing this all with #ifdefs gets awkward...
-// ... so just hardcode it in each hwdef file instead
-inline void hwdef_setup() {
-  // enable output ports
-  DDRC = (1 << PWM2_PIN);
-  DDRB = (1 << PWM1_PIN);
-  DDRA = (1 << PWM3_PIN)
-       | (1 << AUXLED_R_PIN)
-       | (1 << AUXLED_G_PIN)
-       | (1 << AUXLED_B_PIN)
-       | (1 << BUTTON_LED_PIN)
-       | (1 << LED_ENABLE_PIN)
-       | (1 << LED2_ENABLE_PIN)
-       ;
-
-  // configure PWM
-  // Setup PWM. F_pwm = F_clkio / 2 / N / TOP, where N = prescale factor, TOP = top of counter
-  // pre-scale for timer: N = 1
-  // Linear opamp PWM for both main and 2nd LEDs (10-bit)
-  // WGM1[3:0]: 1,0,1,0: PWM, Phase Correct, adjustable (DS table 12-5)
-  // CS1[2:0]:    0,0,1: clk/1 (No prescaling) (DS table 12-6)
-  // COM1A[1:0]:    1,0: PWM OC1A in the normal direction (DS table 12-4)
-  // COM1B[1:0]:    1,0: PWM OC1B in the normal direction (DS table 12-4)
-  TCCR1A  = (1<<WGM11)  | (0<<WGM10)   // adjustable PWM (TOP=ICR1) (DS table 12-5)
-          | (1<<COM1A1) | (0<<COM1A0)  // PWM 1A in normal direction (DS table 12-4)
-          | (1<<COM1B1) | (0<<COM1B0)  // PWM 1B in normal direction (DS table 12-4)
-          ;
-  TCCR1B  = (0<<CS12)   | (0<<CS11) | (1<<CS10)  // clk/1 (no prescaling) (DS table 12-6)
-          | (1<<WGM13)  | (0<<WGM12)  // phase-correct adjustable PWM (DS table 12-5)
-          ;
-
-  // FET PWM (8-bit; this channel can't do 10-bit)
-  // WGM0[2:0]: 0,0,1: PWM, Phase Correct, 8-bit (DS table 11-8)
-  // CS0[2:0]:  0,0,1: clk/1 (No prescaling) (DS table 11-9)
-  // COM0A[1:0]:  1,0: PWM OC0A in the normal direction (DS table 11-4)
-  // COM0B[1:0]:  1,0: PWM OC0B in the normal direction (DS table 11-7)
-  TCCR0A  = (0<<WGM01)  | (1<<WGM00)   // 8-bit (TOP=0xFF) (DS table 11-8)
-          | (1<<COM0A1) | (0<<COM0A0)  // PWM 0A in normal direction (DS table 11-4)
-          //| (1<<COM0B1) | (0<<COM0B0)  // PWM 0B in normal direction (DS table 11-7)
-          ;
-  TCCR0B  = (0<<CS02)   | (0<<CS01) | (1<<CS00)  // clk/1 (no prescaling) (DS table 11-9)
-          | (0<<WGM02)  // phase-correct PWM (DS table 11-8)
-          ;
-  // set PWM resolution
-  PWM1_TOP = PWM_TOP;
-
-  // set up e-switch
-  SWITCH_PUE = (1 << SWITCH_PIN);  // pull-up for e-switch
-  SWITCH_PCMSK = (1 << SWITCH_PCINT);  // enable pin change interrupt
-}
-
-#define LAYOUT_DEFINED
-
diff --git a/hwdef-Noctigon_K9.3.h b/hwdef-Noctigon_K9.3.h
deleted file mode 100644
index 2f1ffe0..0000000
--- a/hwdef-Noctigon_K9.3.h
+++ /dev/null
@@ -1,164 +0,0 @@
-// Noctigon K9.3 driver layout (attiny1634)
-// Copyright (C) 2020-2023 Selene ToyKeeper
-// SPDX-License-Identifier: GPL-3.0-or-later
-#pragma once
-
-/*
- * Pin / Name / Function
- *   1    PA6   2nd LED PWM (linear) (PWM1B)
- *   2    PA5   R: red aux LED (PWM0B)
- *   3    PA4   G: green aux LED
- *   4    PA3   B: blue aux LED
- *   5    PA2   button LED
- *   6    PA1   Opamp 2 enable (2nd LEDs)
- *   7    PA0   Opamp 1 enable (main LEDs)
- *   8    GND   GND
- *   9    VCC   VCC
- *  10    PC5   (none)
- *  11    PC4   (none)
- *  12    PC3   RESET
- *  13    PC2   (none)
- *  14    PC1   SCK
- *  15    PC0   main LED PWM (FET) (PWM0A)
- *  16    PB3   main LED PWM (linear) (PWM1A)
- *  17    PB2   MISO
- *  18    PB1   MOSI / battery voltage (ADC6)
- *  19    PB0   (none)
- *  20    PA7   e-switch (PCINT7)
- *      ADC12   thermal sensor
- *
- * Main LED power uses one pin to turn the Opamp on/off,
- * and one pin to control Opamp power level.
- * Main brightness control uses the power level pin, with 4 kHz 10-bit PWM.
- * The on/off pin is only used to turn the main LED on and off,
- * not to change brightness.
- * Some models also have a direct-drive FET for turbo.
- */
-
-#ifdef ATTINY
-#undef ATTINY
-#endif
-#define ATTINY 1634
-#include <avr/io.h>
-
-#define PWM_CHANNELS 3  // 2 for main LEDs, 1 for 2nd LEDs
-#define PWM_BITS 10  // 0 to 1023 at 4 kHz, not 0 to 255 at 16 kHz
-#define PWM_TOP 1023
-
-#define SWITCH_PIN   PA7     // pin 20
-#define SWITCH_PCINT PCINT7  // pin 20 pin change interrupt
-#define SWITCH_PCIE  PCIE0   // PCIE1 is for PCINT[7:0]
-#define SWITCH_PCMSK PCMSK0  // PCMSK1 is for PCINT[7:0]
-#define SWITCH_PORT  PINA    // PINA or PINB or PINC
-#define PCINT_vect   PCINT0_vect  // ISR for PCINT[7:0]
-
-#define PWM1_PIN PB3        // pin 16, Opamp reference
-#define PWM1_LVL OCR1A      // OCR1A is the output compare register for PB3
-
-#define PWM2_PIN PC0        // pin 15, DD FET PWM
-#define PWM2_LVL OCR0A      // OCR0A is the output compare register for PC0
-
-#define PWM3_PIN PA6        // pin 1, 2nd LED Opamp reference
-#define PWM3_LVL OCR1B      // OCR1B is the output compare register for PA6
-
-#define LED_ENABLE_PIN  PA0    // pin 7, Opamp power
-#define LED_ENABLE_PORT PORTA  // control port for PA0
-
-#define LED2_ENABLE_PIN  PA1    // pin 6, Opamp power
-#define LED2_ENABLE_PORT PORTA  // control port for PA1
-
-
-#define USE_VOLTAGE_DIVIDER  // use a dedicated pin, not VCC, because VCC input is flattened
-#define VOLTAGE_PIN PB1      // Pin 18 / PB1 / ADC6
-// pin to ADC mappings are in DS table 19-4
-#define VOLTAGE_ADC      ADC6D  // digital input disable pin for PB1
-// DIDR0/DIDR1 mappings are in DS section 19.13.5, 19.13.6
-#define VOLTAGE_ADC_DIDR DIDR1  // DIDR channel for ADC6D
-// DS tables 19-3, 19-4
-// Bit   7     6     5      4     3    2    1    0
-//     REFS1 REFS0 REFEN ADC0EN MUX3 MUX2 MUX1 MUX0
-// MUX[3:0] = 0, 1, 1, 0 for ADC6 / PB1
-// divided by ...
-// REFS[1:0] = 1, 0 for internal 1.1V reference
-// other bits reserved
-#define ADMUX_VOLTAGE_DIVIDER 0b10000110
-#define ADC_PRSCL   0x07    // clk/128
-
-// Raw ADC readings at 4.4V and 2.2V
-// calibrate the voltage readout here
-// estimated / calculated values are:
-//   (voltage - D1) * (R2/(R2+R1) * 1024 / 1.1)
-// D1, R1, R2 = 0, 330, 100
-#ifndef ADC_44
-//#define ADC_44 981  // raw value at 4.40V
-#define ADC_44 967  // manually tweaked so 4.16V will blink out 4.2
-#endif
-#ifndef ADC_22
-//#define ADC_22 489  // raw value at 2.20V
-#define ADC_22 482  // manually tweaked so 4.16V will blink out 4.2
-#endif
-
-// this light has aux LEDs under the optic
-#define AUXLED_R_PIN    PA5    // pin 2
-#define AUXLED_G_PIN    PA4    // pin 3
-#define AUXLED_B_PIN    PA3    // pin 4
-#define AUXLED_RGB_PORT PORTA  // PORTA or PORTB or PORTC
-#define AUXLED_RGB_DDR  DDRA   // DDRA or DDRB or DDRC
-#define AUXLED_RGB_PUE  PUEA   // PUEA or PUEB or PUEC
-
-#define BUTTON_LED_PIN  PA2    // pin 5
-#define BUTTON_LED_PORT PORTA  // for all "PA" pins
-#define BUTTON_LED_DDR  DDRA   // for all "PA" pins
-#define BUTTON_LED_PUE  PUEA   // for all "PA" pins
-
-// with so many pins, doing this all with #ifdefs gets awkward...
-// ... so just hardcode it in each hwdef file instead
-inline void hwdef_setup() {
-  // enable output ports
-  DDRC = (1 << PWM2_PIN);
-  DDRB = (1 << PWM1_PIN);
-  DDRA = (1 << PWM3_PIN)
-       | (1 << AUXLED_R_PIN)
-       | (1 << AUXLED_G_PIN)
-       | (1 << AUXLED_B_PIN)
-       | (1 << BUTTON_LED_PIN)
-       | (1 << LED_ENABLE_PIN)
-       | (1 << LED2_ENABLE_PIN)
-       ;
-
-  // configure PWM
-  // Setup PWM. F_pwm = F_clkio / 2 / N / TOP, where N = prescale factor, TOP = top of counter
-  // pre-scale for timer: N = 1
-  // Linear opamp PWM for both main and 2nd LEDs (10-bit)
-  // WGM1[3:0]: 0,0,1,1: PWM, Phase Correct, 10-bit (DS table 12-5)
-  // CS1[2:0]:    0,0,1: clk/1 (No prescaling) (DS table 12-6)
-  // COM1A[1:0]:    1,0: PWM OC1A in the normal direction (DS table 12-4)
-  // COM1B[1:0]:    1,0: PWM OC1B in the normal direction (DS table 12-4)
-  TCCR1A  = (1<<WGM11)  | (1<<WGM10)   // 10-bit (TOP=0x03FF) (DS table 12-5)
-          | (1<<COM1A1) | (0<<COM1A0)  // PWM 1A in normal direction (DS table 12-4)
-          | (1<<COM1B1) | (0<<COM1B0)  // PWM 1B in normal direction (DS table 12-4)
-          ;
-  TCCR1B  = (0<<CS12)   | (0<<CS11) | (1<<CS10)  // clk/1 (no prescaling) (DS table 12-6)
-          | (0<<WGM13)  | (0<<WGM12)  // phase-correct PWM (DS table 12-5)
-          ;
-
-  // FET PWM (8-bit; this channel can't do 10-bit)
-  // WGM0[2:0]: 0,0,1: PWM, Phase Correct, 8-bit (DS table 11-8)
-  // CS0[2:0]:  0,0,1: clk/1 (No prescaling) (DS table 11-9)
-  // COM0A[1:0]:  1,0: PWM OC0A in the normal direction (DS table 11-4)
-  // COM0B[1:0]:  1,0: PWM OC0B in the normal direction (DS table 11-7)
-  TCCR0A  = (0<<WGM01)  | (1<<WGM00)   // 8-bit (TOP=0xFF) (DS table 11-8)
-          | (1<<COM0A1) | (0<<COM0A0)  // PWM 0A in normal direction (DS table 11-4)
-          //| (1<<COM0B1) | (0<<COM0B0)  // PWM 0B in normal direction (DS table 11-7)
-          ;
-  TCCR0B  = (0<<CS02)   | (0<<CS01) | (1<<CS00)  // clk/1 (no prescaling) (DS table 11-9)
-          | (0<<WGM02)  // phase-correct PWM (DS table 11-8)
-          ;
-
-  // set up e-switch
-  PUEA = (1 << SWITCH_PIN);  // pull-up for e-switch
-  SWITCH_PCMSK = (1 << SWITCH_PCINT);  // enable pin change interrupt
-}
-
-#define LAYOUT_DEFINED
-
diff --git a/hwdef-emisar-2ch-fet.c b/hwdef-emisar-2ch-fet.c
new file mode 100644
index 0000000..ea4f5e6
--- /dev/null
+++ b/hwdef-emisar-2ch-fet.c
@@ -0,0 +1,220 @@
+// Emisar generic 2-channel + DD FET w/ tint ramping
+// Copyright (C) 2021-2023 Selene ToyKeeper
+// SPDX-License-Identifier: GPL-3.0-or-later
+
+#pragma once
+
+#include "chan-rgbaux.c"
+
+
+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
+};
+
+
+// set new values for both channels,
+// handling any possible combination
+// and any before/after state
+void set_pwms(uint8_t ch1_pwm, uint8_t ch2_pwm, uint8_t ch3_pwm, uint16_t top) {
+    bool was_on = (CH1_PWM>0) | (CH2_PWM>0) | (CH3_PWM>0);
+    bool now_on = (ch1_pwm>0) | (ch2_pwm>0) | (ch3_pwm>0);
+
+    if (! now_on) {
+        CH1_PWM = 0;  // linear
+        CH2_PWM = 0;  // linear
+        CH3_PWM = 0;  // DD FET
+        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;
+    CH3_PWM = ch3_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, 0, PWM_TOP_INIT);
+
+    level --;
+    uint8_t  pwm1 = PWM_GET8 (pwm1_levels, level);
+    uint8_t  pwm3 = PWM_GET8 (pwm2_levels, level);
+    uint16_t top  = PWM_GET16(pwm3_levels, level);
+    set_pwms(pwm1, 0, pwm3, top);
+}
+
+void set_level_ch2(uint8_t level) {
+    if (0 == level)
+        return set_pwms(0, 0, 0, PWM_TOP_INIT);
+
+    level --;
+    uint8_t  pwm2 = PWM_GET8 (pwm4_levels, level);
+    uint16_t top  = PWM_GET16(pwm5_levels, level);
+    set_pwms(0, pwm2, 0, top);
+}
+
+void set_level_both(uint8_t level) {
+    if (0 == level)
+        return set_pwms(0, 0, 0, PWM_TOP_INIT);
+
+    level --;
+    uint8_t  pwm1 = PWM_GET8 (pwm1_levels, level);
+    uint8_t  pwm3 = PWM_GET8 (pwm2_levels, level);
+    uint16_t top  = PWM_GET16(pwm3_levels, level);
+    set_pwms(pwm1, pwm1, pwm3, top);
+}
+
+void set_level_blend(uint8_t level) {
+    if (0 == level)
+        return set_pwms(0, 0, 0, PWM_TOP_INIT);
+
+    level --;
+    uint16_t pwm1, pwm2;
+    uint8_t  pwm3       = PWM_GET8 (pwm2_levels, level);  // DD FET
+    //uint16_t brightness = PWM_GET8 (pwm1_levels, level) << 1;
+    uint16_t brightness = PWM_GET8 (pwm1_levels, level) + pwm3;
+    uint16_t top        = PWM_GET16(pwm3_levels, level);
+    uint8_t  blend      = cfg.channel_mode_args[cfg.channel_mode];
+
+    calc_2ch_blend(&pwm1, &pwm2, brightness, top, blend);
+
+    set_pwms(pwm1, pwm2, pwm3, top);
+}
+
+void set_level_auto(uint8_t level) {
+    if (0 == level)
+        return set_pwms(0, 0, 0, PWM_TOP_INIT);
+
+    level --;
+    uint16_t pwm1, pwm2;
+    uint8_t  brightness = PWM_GET8 (pwm4_levels, level);
+    uint16_t top        = PWM_GET16(pwm5_levels, 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(&pwm1, &pwm2, brightness, top, blend);
+
+    set_pwms(pwm1, pwm2, 0, top);
+}
+
+
+///// bump each channel toward a target value /////
+bool gradual_adjust(uint8_t ch1_pwm, uint8_t ch2_pwm, uint8_t ch3_pwm) {
+    GRADUAL_ADJUST_STACKED(ch1_pwm, CH1_PWM, PWM_TOP_INIT);
+    GRADUAL_ADJUST_STACKED(ch2_pwm, CH2_PWM, PWM_TOP_INIT);
+    GRADUAL_ADJUST_SIMPLE (ch3_pwm, CH3_PWM);
+
+    // check for completion
+    if ((ch1_pwm == CH1_PWM)
+     && (ch2_pwm == CH2_PWM)
+     && (ch3_pwm == CH3_PWM)) {
+        return true;  // done
+    }
+    return false;  // not done yet
+}
+
+bool gradual_tick_ch1(uint8_t gt) {
+    uint8_t pwm1 = PWM_GET8(pwm1_levels, gt);
+    uint8_t pwm3 = PWM_GET8(pwm2_levels, gt);
+    return gradual_adjust(pwm1, 0, pwm3);
+}
+
+bool gradual_tick_ch2(uint8_t gt) {
+    uint8_t pwm2 = PWM_GET8(pwm4_levels, gt);
+    return gradual_adjust(0, pwm2, 0);
+}
+
+bool gradual_tick_both(uint8_t gt) {
+    uint8_t pwm1 = PWM_GET8(pwm1_levels, gt);
+    uint8_t pwm3 = PWM_GET8(pwm2_levels, gt);
+    return gradual_adjust(pwm1, pwm1, pwm3);
+}
+
+bool gradual_tick_blend(uint8_t level) {
+    uint16_t pwm1, pwm2;
+    uint8_t  pwm3       = PWM_GET8 (pwm2_levels, level);  // DD FET
+    //uint16_t brightness = PWM_GET8 (pwm1_levels, level) << 1;
+    uint16_t brightness = PWM_GET8 (pwm1_levels, level) + pwm3;
+    uint16_t top        = PWM_GET16(pwm3_levels, level);
+    uint8_t  blend      = cfg.channel_mode_args[cfg.channel_mode];
+
+    calc_2ch_blend(&pwm1, &pwm2, brightness, top, blend);
+
+    return gradual_adjust(pwm1, pwm2, pwm3);
+}
+
+bool gradual_tick_auto(uint8_t level) {
+    uint16_t pwm1, pwm2;
+    uint8_t  brightness = PWM_GET8 (pwm4_levels, level);
+    uint16_t top        = PWM_GET16(pwm5_levels, 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(&pwm1, &pwm2, brightness, top, blend);
+
+    return gradual_adjust(pwm1, pwm2, 0);
+}
+
+
diff --git a/hwdef-emisar-2ch-fet.h b/hwdef-emisar-2ch-fet.h
new file mode 100644
index 0000000..451cdfc
--- /dev/null
+++ b/hwdef-emisar-2ch-fet.h
@@ -0,0 +1,209 @@
+// Emisar 2-channel generic w/ tint ramping + DD FET
+// Copyright (C) 2021-2023 Selene ToyKeeper
+// SPDX-License-Identifier: GPL-3.0-or-later
+#pragma once
+
+/*
+ * Pin / Name / Function
+ *   1    PA6   ch2 LED PWM (linear) (PWM1B)
+ *   2    PA5   R: red aux LED (PWM0B)
+ *   3    PA4   G: green aux LED
+ *   4    PA3   B: blue aux LED
+ *   5    PA2   button LED
+ *   6    PA1   Opamp 2 enable (channel 2 LEDs)
+ *   7    PA0   Opamp 1 enable (channel 1 LEDs)
+ *   8    GND   GND
+ *   9    VCC   VCC
+ *  10    PC5   (none)
+ *  11    PC4   (none)
+ *  12    PC3   RESET
+ *  13    PC2   (none)
+ *  14    PC1   SCK
+ *  15    PC0   ch1 LED PWM (FET) (PWM0A, 8-bit)
+ *  16    PB3   ch1 LED PWM (linear) (PWM1A)
+ *  17    PB2   MISO
+ *  18    PB1   MOSI / battery voltage (ADC6)
+ *  19    PB0   (none)
+ *  20    PA7   e-switch (PCINT7)
+ *      ADC12   thermal sensor
+ *
+ * Both sets of LEDs use one pin to turn the Opamp on/off,
+ * and one pin to control the Opamp power level.
+ * The first channel also has a direct-drive FET for turbo.
+ */
+
+#define ATTINY 1634
+#include <avr/io.h>
+
+#define HWDEF_C_FILE hwdef-emisar-2ch-fet.c
+
+// allow using aux LEDs as extra channel modes
+#include "chan-rgbaux.h"
+
+// channel modes:
+// * 0. channel 1 only (linear + DD FET)
+// * 1. channel 2 only (linear)
+// * 2. both channels, tied together (linear tied + DD FET at top of ramp)
+// * 3. both channels, manual blend, max 200% power + DD FET at top of ramp
+// * 4. both channels, auto blend, reversible (linear only)
+#define NUM_CHANNEL_MODES   (5 + NUM_RGB_AUX_CHANNEL_MODES)
+enum channel_modes_e {
+    CM_CH1 = 0,
+    CM_CH2,
+    CM_BOTH,
+    CM_BLEND,
+    CM_AUTO,
+    RGB_AUX_ENUMS
+};
+
+// right-most bit first, modes are in fedcba9876543210 order
+#define CHANNEL_MODES_ENABLED 0b0000000000011111
+#define USE_CHANNEL_MODE_ARGS
+// _, _, _, 128=middle CCT, 0=warm-to-cool
+#define CHANNEL_MODE_ARGS     0,0,0,128,0,RGB_AUX_CM_ARGS
+
+// can use some of the common handlers
+#define USE_CALC_2CH_BLEND
+
+
+#define PWM_CHANNELS 3  // old, remove this
+
+#define PWM_BITS      16     // 0 to 16383 at variable Hz, not 0 to 255 at 16 kHz
+#define PWM_GET       PWM_GET8
+#define PWM_DATATYPE  uint16_t
+#define PWM_DATATYPE2 uint16_t  // only needs 32-bit if ramp values go over 255
+#define PWM1_DATATYPE uint8_t   // linear part of linear+FET ramp
+#define PWM2_DATATYPE uint8_t   // DD FET part of linear+FET ramp
+#define PWM3_DATATYPE uint16_t  // linear+FET ramp tops
+#define PWM4_DATATYPE uint8_t   // linear-only ramp
+#define PWM5_DATATYPE uint16_t  // linear-only ramp tops
+
+// PWM parameters of both channels are tied together because they share a counter
+#define PWM_TOP       ICR1   // holds the TOP value for for variable-resolution PWM
+#define PWM_TOP_INIT  255    // highest value used in top half of ramp
+#define PWM_CNT       TCNT1  // for dynamic PWM, reset phase
+
+// main LEDs, linear
+#define CH1_PIN  PB3            // pin 16, Opamp reference
+#define CH1_PWM  OCR1A          // OCR1A is the output compare register for PB3
+#define CH1_ENABLE_PIN   PA0    // pin 7, Opamp power
+#define CH1_ENABLE_PORT  PORTA  // control port for PA0
+
+// 2nd LEDs, linear
+#define CH2_PIN  PA6            // pin 1, 2nd LED Opamp reference
+#define CH2_PWM  OCR1B          // OCR1B is the output compare register for PA6
+#define CH2_ENABLE_PIN   PA1    // pin 6, Opamp power
+#define CH2_ENABLE_PORT  PORTA  // control port for PA1
+
+// main LEDs, DD FET
+#define CH3_PIN  PC0            // pin 15, DD FET PWM
+#define CH3_PWM  OCR0A          // OCR0A is the output compare register for PC0
+
+// e-switch
+#ifndef SWITCH_PIN
+#define SWITCH_PIN   PA7     // pin 20
+#define SWITCH_PCINT PCINT7  // pin 20 pin change interrupt
+#define SWITCH_PCIE  PCIE0   // PCIE1 is for PCINT[7:0]
+#define SWITCH_PCMSK PCMSK0  // PCMSK1 is for PCINT[7:0]
+#define SWITCH_PORT  PINA    // PINA or PINB or PINC
+#define SWITCH_PUE   PUEA    // pullup group A
+#define PCINT_vect   PCINT0_vect  // ISR for PCINT[7:0]
+#endif
+
+#define USE_VOLTAGE_DIVIDER  // use a dedicated pin, not VCC, because VCC input is flattened
+#define VOLTAGE_PIN PB1      // Pin 18 / PB1 / ADC6
+// pin to ADC mappings are in DS table 19-4
+#define VOLTAGE_ADC      ADC6D  // digital input disable pin for PB1
+// DIDR0/DIDR1 mappings are in DS section 19.13.5, 19.13.6
+#define VOLTAGE_ADC_DIDR DIDR1  // DIDR channel for ADC6D
+// DS tables 19-3, 19-4
+// Bit   7     6     5      4     3    2    1    0
+//     REFS1 REFS0 REFEN ADC0EN MUX3 MUX2 MUX1 MUX0
+// MUX[3:0] = 0, 1, 1, 0 for ADC6 / PB1
+// divided by ...
+// REFS[1:0] = 1, 0 for internal 1.1V reference
+// other bits reserved
+#define ADMUX_VOLTAGE_DIVIDER 0b10000110
+#define ADC_PRSCL   0x07    // clk/128
+
+// Raw ADC readings at 4.4V and 2.2V
+// calibrate the voltage readout here
+// estimated / calculated values are:
+//   (voltage - D1) * (R2/(R2+R1) * 1024 / 1.1)
+// D1, R1, R2 = 0, 330, 100
+#ifndef ADC_44
+//#define ADC_44 981  // raw value at 4.40V
+#define ADC_44 967  // manually tweaked so 4.16V will blink out 4.2
+#endif
+#ifndef ADC_22
+//#define ADC_22 489  // raw value at 2.20V
+#define ADC_22 482  // manually tweaked so 4.16V will blink out 4.2
+#endif
+
+// this light has aux LEDs under the optic
+#define AUXLED_R_PIN    PA5    // pin 2
+#define AUXLED_G_PIN    PA4    // pin 3
+#define AUXLED_B_PIN    PA3    // pin 4
+#define AUXLED_RGB_PORT PORTA  // PORTA or PORTB or PORTC
+#define AUXLED_RGB_DDR  DDRA   // DDRA or DDRB or DDRC
+#define AUXLED_RGB_PUE  PUEA   // PUEA or PUEB or PUEC
+
+#define BUTTON_LED_PIN  PA2    // pin 5
+#define BUTTON_LED_PORT PORTA  // for all "PA" pins
+#define BUTTON_LED_DDR  DDRA   // for all "PA" pins
+#define BUTTON_LED_PUE  PUEA   // for all "PA" pins
+
+
+inline void hwdef_setup() {
+    // enable output ports
+    DDRC = (1 << CH3_PIN);
+    DDRB = (1 << CH1_PIN);
+    DDRA = (1 << CH2_PIN)
+         | (1 << AUXLED_R_PIN)
+         | (1 << AUXLED_G_PIN)
+         | (1 << AUXLED_B_PIN)
+         | (1 << BUTTON_LED_PIN)
+         | (1 << CH1_ENABLE_PIN)
+         | (1 << CH2_ENABLE_PIN)
+         ;
+
+    // configure PWM
+    // Setup PWM. F_pwm = F_clkio / 2 / N / TOP, where N = prescale factor, TOP = top of counter
+    // pre-scale for timer: N = 1
+    // Linear opamp PWM for both main and 2nd LEDs (10-bit)
+    // WGM1[3:0]: 1,0,1,0: PWM, Phase Correct, adjustable (DS table 12-5)
+    // CS1[2:0]:    0,0,1: clk/1 (No prescaling) (DS table 12-6)
+    // COM1A[1:0]:    1,0: PWM OC1A in the normal direction (DS table 12-4)
+    // COM1B[1:0]:    1,0: PWM OC1B in the normal direction (DS table 12-4)
+    TCCR1A  = (1<<WGM11)  | (0<<WGM10)   // adjustable PWM (TOP=ICR1) (DS table 12-5)
+            | (1<<COM1A1) | (0<<COM1A0)  // PWM 1A in normal direction (DS table 12-4)
+            | (1<<COM1B1) | (0<<COM1B0)  // PWM 1B in normal direction (DS table 12-4)
+            ;
+    TCCR1B  = (0<<CS12)   | (0<<CS11) | (1<<CS10)  // clk/1 (no prescaling) (DS table 12-6)
+            | (1<<WGM13)  | (0<<WGM12)  // phase-correct adjustable PWM (DS table 12-5)
+            ;
+
+    // FET PWM (8-bit; this channel can't do 10-bit)
+    // WGM0[2:0]: 0,0,1: PWM, Phase Correct, 8-bit (DS table 11-8)
+    // CS0[2:0]:  0,0,1: clk/1 (No prescaling) (DS table 11-9)
+    // COM0A[1:0]:  1,0: PWM OC0A in the normal direction (DS table 11-4)
+    // COM0B[1:0]:  1,0: PWM OC0B in the normal direction (DS table 11-7)
+    TCCR0A  = (0<<WGM01)  | (1<<WGM00)   // 8-bit (TOP=0xFF) (DS table 11-8)
+            | (1<<COM0A1) | (0<<COM0A0)  // PWM 0A in normal direction (DS table 11-4)
+            //| (1<<COM0B1) | (0<<COM0B0)  // PWM 0B in normal direction (DS table 11-7)
+            ;
+    TCCR0B  = (0<<CS02)   | (0<<CS01) | (1<<CS00)  // clk/1 (no prescaling) (DS table 11-9)
+            | (0<<WGM02)  // phase-correct PWM (DS table 11-8)
+            ;
+
+    // set PWM resolution
+    PWM_TOP = PWM_TOP_INIT;
+
+    // set up e-switch
+    SWITCH_PUE = (1 << SWITCH_PIN);  // pull-up for e-switch
+    SWITCH_PCMSK = (1 << SWITCH_PCINT);  // enable pin change interrupt
+}
+
+
+#define LAYOUT_DEFINED
+
diff --git a/hwdef-emisar-2ch.h b/hwdef-emisar-2ch.h
index 32cbc3b..6d43a24 100644
--- a/hwdef-emisar-2ch.h
+++ b/hwdef-emisar-2ch.h
@@ -26,6 +26,9 @@
  *  19    PB0   (none)
  *  20    PA7   e-switch (PCINT7)
  *      ADC12   thermal sensor
+ *
+ * Both sets of LEDs use one pin to turn the Opamp on/off,
+ * and one pin to control the Opamp power level.
  */
 
 #define ATTINY 1634
@@ -62,7 +65,7 @@ enum channel_modes_e {
 #define USE_CALC_2CH_BLEND
 
 
-#define PWM_CHANNELS 1  // old, remove this
+#define PWM_CHANNELS 2  // old, remove this
 
 #define PWM_BITS      16     // 0 to 16383 at variable Hz, not 0 to 255 at 16 kHz
 #define PWM_GET       PWM_GET16
@@ -77,18 +80,21 @@ enum channel_modes_e {
 #define PWM_TOP_INIT  511    // highest value used in top half of ramp
 #define PWM_CNT       TCNT1  // for dynamic PWM, reset phase
 
+// main LEDs, linear
 #define CH1_PIN  PB3            // pin 16, Opamp reference
 #define CH1_PWM  OCR1A          // OCR1A is the output compare register for PB3
 #define CH1_ENABLE_PIN   PA0    // pin 7, Opamp power
 #define CH1_ENABLE_PORT  PORTA  // control port for PA0
 
+// 2nd LEDs, linear
 #define CH2_PIN  PA6            // pin 1, 2nd LED Opamp reference
 #define CH2_PWM  OCR1B          // OCR1B is the output compare register for PA6
 #define CH2_ENABLE_PIN   PA1    // pin 6, Opamp power
 #define CH2_ENABLE_PORT  PORTA  // control port for PA1
 
+// main LEDs, DD FET
 //#define CH3_PIN  PC0            // pin 15, DD FET PWM
-//#define CH3_LVL  OCR0A          // OCR0A is the output compare register for PC0
+//#define CH3_PWM  OCR0A          // OCR0A is the output compare register for PC0
 
 // e-switch
 #ifndef SWITCH_PIN
@@ -175,19 +181,21 @@ inline void hwdef_setup() {
             ;
 
     // unused on this driver
+    #if 0
     // FET PWM (8-bit; this channel can't do 10-bit)
     // WGM0[2:0]: 0,0,1: PWM, Phase Correct, 8-bit (DS table 11-8)
     // CS0[2:0]:  0,0,1: clk/1 (No prescaling) (DS table 11-9)
     // COM0A[1:0]:  1,0: PWM OC0A in the normal direction (DS table 11-4)
     // COM0B[1:0]:  1,0: PWM OC0B in the normal direction (DS table 11-7)
-    //TCCR0A  = (0<<WGM01)  | (1<<WGM00)   // 8-bit (TOP=0xFF) (DS table 11-8)
-    //        | (1<<COM0A1) | (0<<COM0A0)  // PWM 0A in normal direction (DS table 11-4)
-    //        //| (1<<COM0B1) | (0<<COM0B0)  // PWM 0B in normal direction (DS table 11-7)
-    //        ;
-    //TCCR0B  = (0<<CS02)   | (0<<CS01) | (1<<CS00)  // clk/1 (no prescaling) (DS table 11-9)
-    //        | (0<<WGM02)  // phase-correct PWM (DS table 11-8)
-    //        ;
-    //CH3_LVL = 0;  // ensure this channel is off, if it exists
+    TCCR0A  = (0<<WGM01)  | (1<<WGM00)   // 8-bit (TOP=0xFF) (DS table 11-8)
+            | (1<<COM0A1) | (0<<COM0A0)  // PWM 0A in normal direction (DS table 11-4)
+            //| (1<<COM0B1) | (0<<COM0B0)  // PWM 0B in normal direction (DS table 11-7)
+            ;
+    TCCR0B  = (0<<CS02)   | (0<<CS01) | (1<<CS00)  // clk/1 (no prescaling) (DS table 11-9)
+            | (0<<WGM02)  // phase-correct PWM (DS table 11-8)
+            ;
+    CH3_PWM = 0;  // ensure this channel is off, if it exists
+    #endif
 
     // set PWM resolution
     PWM_TOP = PWM_TOP_INIT;
diff --git a/spaghetti-monster/anduril/MODELS b/spaghetti-monster/anduril/MODELS
index efe4a05..687e1d1 100644
--- a/spaghetti-monster/anduril/MODELS
+++ b/spaghetti-monster/anduril/MODELS
@@ -16,7 +16,8 @@ Model	Name                          	MCU
 0134	emisar-d4sv2-219              	attiny1634
 0135	emisar-2ch                    	attiny1634
 0135	emisar-d4sv2-tintramp         	attiny1634	(old)
-0136	emisar-d4sv2-tintramp-fet     	attiny1634
+0136	emisar-2ch-fet                	attiny1634
+0136	emisar-d4sv2-tintramp-fet     	attiny1634	(old)
 0141	emisar-d18                    	attiny85
 0142	emisar-d18-219                	attiny85
 0143	noctigon-m44                  	attiny1634
@@ -33,9 +34,9 @@ Model	Name                          	MCU
 0261	noctigon-k9.3                 	attiny1634
 0262	noctigon-k9.3-nofet           	attiny1634
 0263	noctigon-k9.3-219             	attiny1634
-0265	noctigon-k9.3-tintramp-nofet  	attiny1634
-0266	noctigon-k9.3-tintramp-fet    	attiny1634
-0267	noctigon-k9.3-tintramp-219    	attiny1634
+0265	noctigon-k9.3-tintramp-nofet  	attiny1634	(old, use 0261)
+0266	noctigon-k9.3-tintramp-fet    	attiny1634	(old, use 0262)
+0267	noctigon-k9.3-tintramp-219    	attiny1634	(old, use 0263)
 0271	noctigon-dm11                 	attiny1634
 0272	noctigon-dm11-nofet           	attiny1634
 0273	noctigon-dm11-boost           	attiny1634
@@ -66,6 +67,7 @@ Model	Name                          	MCU
 0623	sofirn-lt1s-pro               	attiny1616
 0631	sofirn-sp10-pro               	attiny1616
 0632	sofirn-sc21-pro               	attiny1616
+0713	wurkkos-ts10-rgb              	attiny1616
 0714	wurkkos-ts10                  	attiny1616
 0715	wurkkos-ts25                  	attiny1616
 0716	wurkkos-fc13                  	attiny1616
diff --git a/spaghetti-monster/anduril/cfg-emisar-2ch-fet.h b/spaghetti-monster/anduril/cfg-emisar-2ch-fet.h
new file mode 100644
index 0000000..737ef6f
--- /dev/null
+++ b/spaghetti-monster/anduril/cfg-emisar-2ch-fet.h
@@ -0,0 +1,113 @@
+// Emisar 2-channel generic (plus FET) config options for Anduril (based on Noctigon K9.3)
+// Copyright (C) 2021-2023 Selene ToyKeeper
+// SPDX-License-Identifier: GPL-3.0-or-later
+#pragma once
+
+#define MODEL_NUMBER "0136"
+#include "hwdef-emisar-2ch-fet.h"
+#include "hank-cfg.h"
+// ATTINY: 1634
+
+// this light has three aux LED channels: R, G, B
+#define USE_AUX_RGB_LEDS
+// the aux LEDs are front-facing, so turn them off while main LEDs are on
+// it also has an independent LED in the button
+#define USE_BUTTON_LED
+// TODO: the whole "indicator LED" thing needs to be refactored into
+//       "aux LED(s)" and "button LED(s)" since they work a bit differently
+// enabling this option breaks the button LED on D4v2.5
+#ifdef USE_INDICATOR_LED_WHILE_RAMPING
+#undef USE_INDICATOR_LED_WHILE_RAMPING
+#endif
+
+// channel modes...
+// CM_CH1, CM_CH2, CM_BOTH, CM_BLEND, CM_AUTO
+// enable max brightness out of the box
+#define DEFAULT_CHANNEL_MODE           CM_BLEND
+
+#define USE_CONFIG_COLORS
+
+// blink numbers on the main LEDs by default (but allow user to change it)
+#define DEFAULT_BLINK_CHANNEL  CM_BLEND
+
+#define POLICE_COLOR_STROBE_CH1        CM_CH1
+#define POLICE_COLOR_STROBE_CH2        CM_CH2
+
+// how much to increase total brightness at middle tint
+// (0 = 100% brightness, 64 = 200% brightness)
+#define TINT_RAMPING_CORRECTION 0  // none, linear regulator doesn't need it
+
+
+// channel 1 / main LEDs (w/ DD FET)
+//   output: unknown, 1750 lm?
+//   FET: unknown, 3000 lm?
+// channel 2
+//   output: unknown, 1750 lm?
+// combined: 4000 to 5000 lm?
+#define RAMP_SIZE 150
+
+// linear+FET ramp: maxreg at 130/150
+// level_calc.py 4.01 2 150 7135 1 0.1 1764 FET 1 10 3000 --pwm dyn:68:4096:255:3 --clock 8:16:0
+// linear segment
+#define PWM1_LEVELS 1,1,1,1,1,1,1,1,2,2,2,2,2,3,3,3,4,4,4,4,5,5,5,6,6,6,7,7,7,8,8,8,8,9,9,9,9,10,10,10,10,10,11,11,11,11,12,12,12,12,13,13,13,14,14,15,15,16,17,17,18,19,20,21,22,24,25,26,27,29,30,32,33,35,36,38,40,41,43,45,47,49,51,53,56,58,60,63,65,68,71,73,76,79,82,85,88,92,95,99,102,106,110,113,117,121,126,130,134,139,143,148,153,158,163,168,174,179,185,190,196,202,208,215,221,227,234,241,248,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255
+// DD FET segment
+#define PWM2_LEVELS 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,10,20,31,42,54,65,77,89,102,114,127,140,154,167,181,195,210,225,240,255
+// PWM TOPS values
+#define PWM3_LEVELS 4096,3768,3433,3094,2751,2405,2058,1713,2816,2415,2023,1642,1275,1877,1844,1564,1960,1725,1504,1298,1527,1352,1190,1324,1185,1058,1138,1029,928,977,890,810,738,769,706,648,595,615,569,526,486,450,464,432,402,374,384,359,336,314,321,301,283,288,271,275,259,262,263,249,250,251,251,250,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255
+
+// linear-only ramp
+// level_calc.py 3.11 1 150 7135 1 0.1 1750 --pwm dyn:64:4096:255:3 --clock 8:16:0
+#define PWM4_LEVELS 1,1,1,1,1,1,2,2,2,3,3,3,4,4,4,5,5,6,6,6,7,7,7,8,8,8,9,9,9,10,10,10,10,10,10,11,11,11,11,11,11,11,12,12,12,12,12,12,13,13,13,14,14,14,15,15,16,17,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31,33,34,35,37,38,39,41,42,44,45,47,48,50,52,53,55,57,59,61,63,65,67,69,71,73,75,77,79,82,84,86,89,91,94,97,99,102,105,107,110,113,116,119,122,125,128,132,135,138,141,145,148,152,156,159,163,167,170,174,178,182,186,190,195,199,203,208,212,217,221,226,230,235,240,245,250,255
+// PWM_TOPS values for linear-only ramp
+#define PWM5_LEVELS 4096,3681,3247,2794,2328,1856,2937,2393,1860,2690,2273,1875,2281,1959,1658,1893,1646,1774,1569,1381,1466,1309,1166,1224,1104,996,1033,942,858,882,810,746,687,634,586,604,561,522,487,454,425,397,409,385,362,341,321,302,311,295,279,286,271,257,263,250,255,258,246,249,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255
+
+#define DEFAULT_LEVEL      70
+#define MAX_1x7135         130
+#define MAX_Nx7135         MAX_1x7135
+#define HALFSPEED_LEVEL    16
+#define QUARTERSPEED_LEVEL 8
+
+#define RAMP_SMOOTH_FLOOR  10  // level 1 is unreliable (?)
+#define RAMP_SMOOTH_CEIL   130
+// 10, 30, 50, [70], 90, 110, [130]
+#define RAMP_DISCRETE_FLOOR 10
+#define RAMP_DISCRETE_CEIL  RAMP_SMOOTH_CEIL
+#define RAMP_DISCRETE_STEPS 7
+
+// safe limit highest regulated power (no FET or turbo)
+// 10, 40, [70], 100, 130
+#define SIMPLE_UI_FLOOR  RAMP_DISCRETE_FLOOR
+#define SIMPLE_UI_CEIL   RAMP_DISCRETE_CEIL
+#define SIMPLE_UI_STEPS  5
+
+// stop panicking at ~1500 lm
+#define THERM_FASTER_LEVEL 120
+#define MIN_THERM_STEPDOWN 65  // should be above highest dyn_pwm level
+
+#define USE_POLICE_COLOR_STROBE_MODE
+#undef  TACTICAL_LEVELS
+#define TACTICAL_LEVELS 130,30,(RAMP_SIZE+3)  // high, low, police strobe
+
+// use the brightest setting for strobe
+#define STROBE_BRIGHTNESS MAX_LEVEL
+// slow down party strobe; this driver can't pulse for 1ms or less
+#define PARTY_STROBE_ONTIME 2
+// TODO: change speed per channel mode
+// (the FET is really fast, but the regulator is not)
+//#undef PARTY_STROBE_ONTIME
+
+// the default of 26 looks a bit flat, so increase it
+#define CANDLE_AMPLITUDE 33
+
+// the power regulator is a bit slow, so push it harder for a quick response from off
+#define DEFAULT_JUMP_START_LEVEL 21
+#define BLINK_BRIGHTNESS 40
+#define BLINK_ONCE_TIME 12  // longer blink, since main LEDs are slow
+
+#define THERM_CAL_OFFSET 5
+
+// don't blink while ramping
+#ifdef BLINK_AT_RAMP_MIDDLE
+#undef BLINK_AT_RAMP_MIDDLE
+#endif
+
diff --git a/spaghetti-monster/anduril/cfg-emisar-2ch.h b/spaghetti-monster/anduril/cfg-emisar-2ch.h
index 5f3384a..4c3a329 100644
--- a/spaghetti-monster/anduril/cfg-emisar-2ch.h
+++ b/spaghetti-monster/anduril/cfg-emisar-2ch.h
@@ -23,14 +23,9 @@
 // channel modes...
 // CM_CH1, CM_CH2, CM_BOTH, CM_BLEND, CM_AUTO
 // enable max brightness out of the box
-#define DEFAULT_CHANNEL_MODE           CM_BOTH
-
-//#define FACTORY_RESET_WARN_CHANNEL     CM_CH2
-//#define FACTORY_RESET_SUCCESS_CHANNEL  CM_BOTH
+#define DEFAULT_CHANNEL_MODE           CM_BLEND
 
 #define USE_CONFIG_COLORS
-//#define CONFIG_WAITING_CHANNEL         CM_CH2
-//#define CONFIG_BLINK_CHANNEL           CM_BOTH
 
 // blink numbers on the main LEDs by default (but allow user to change it)
 #define DEFAULT_BLINK_CHANNEL  CM_BLEND
@@ -42,12 +37,14 @@
 // (0 = 100% brightness, 64 = 200% brightness)
 #define TINT_RAMPING_CORRECTION 0  // none, linear regulator doesn't need it
 
+
 // channel 1
 //   output: unknown, 2000 lm?
 //   FET: absent / unused
 // channel 2
 //   output: unknown, 2000 lm?
 #define RAMP_SIZE 150
+
 // abstract ramp (power is split between both sets of LEDs)
 // 1-130: 0 to 100% power
 // level_calc.py 5.01 1 130 7135 2 0.2 2000 --pwm dyn:64:16383:511
@@ -58,22 +55,23 @@
 // max "200% power" ramp and tops
 //#define PWM2_LEVELS 2,2,2,3,3,4,4,5,6,7,8,9,10,11,13,14,16,17,19,21,23,25,28,30,33,35,38,41,44,47,50,54,57,60,64,67,71,74,78,81,84,88,91,94,97,99,101,103,105,106,107,107,107,106,105,102,99,95,90,84,77,68,58,47,34,36,38,40,42,44,47,49,52,54,57,60,63,66,69,73,76,80,83,87,91,96,100,104,109,114,119,124,130,135,141,147,153,160,166,173,180,187,195,203,211,219,228,236,245,255,264,274,285,295,306,317,329,340,353,365,378,391,405,419,433,448,463,479,495,511,530,550,570,591,612,634,657,680,705,730,755,782,809,837,865,895,925,957,989,1022
 //#define PWM3_LEVELS 16383,13234,9781,13826,9593,13434,9973,12021,12900,13193,13150,12899,12508,12023,12666,11982,12181,11422,11393,11247,11018,10731,10826,10434,10365,9927,9767,9565,9332,9076,8806,8693,8395,8096,7928,7626,7439,7143,6948,6665,6393,6203,5946,5700,5465,5187,4926,4681,4451,4195,3957,3700,3463,3213,2983,2718,2476,2231,1986,1742,1501,1245,997,756,511,511,511,511,511,511,511,511,511,511,511,511,511,511,511,511,511,511,511,511,511,511,511,511,511,511,511,511,511,511,511,511,511,511,511,511,511,511,511,511,511,511,511,511,511,511,511,511,511,511,511,511,511,511,511,511,511,511,511,511,511,511,511,511,511,511,511,511,511,511,511,511,511,511,511,511,511,511,511,511,511,511,511,511,511,511
-#define DEFAULT_LEVEL 70
-#define MAX_1x7135 150
-#define HALFSPEED_LEVEL 10
+#define DEFAULT_LEVEL      70
+#define MAX_1x7135         150
+#define HALFSPEED_LEVEL    10
 #define QUARTERSPEED_LEVEL 2
 
-#define RAMP_SMOOTH_FLOOR 10  // level 1 is unreliable (?)
-#define RAMP_SMOOTH_CEIL  130
+#define RAMP_SMOOTH_FLOOR  10  // level 1 is unreliable (?)
+#define RAMP_SMOOTH_CEIL   130
 // 10, 30, 50, [70], 90, 110, [130]
 #define RAMP_DISCRETE_FLOOR 10
 #define RAMP_DISCRETE_CEIL  RAMP_SMOOTH_CEIL
 #define RAMP_DISCRETE_STEPS 7
 
 // safe limit highest regulated power (no FET or turbo)
-#define SIMPLE_UI_FLOOR RAMP_DISCRETE_FLOOR
-#define SIMPLE_UI_CEIL RAMP_DISCRETE_CEIL
-#define SIMPLE_UI_STEPS 5
+// 10, 40, [70], 100, 130
+#define SIMPLE_UI_FLOOR  RAMP_DISCRETE_FLOOR
+#define SIMPLE_UI_CEIL   RAMP_DISCRETE_CEIL
+#define SIMPLE_UI_STEPS  5
 
 // stop panicking at ~1500 lm
 #define THERM_FASTER_LEVEL 130
@@ -81,7 +79,7 @@
 
 #define USE_POLICE_COLOR_STROBE_MODE
 #undef  TACTICAL_LEVELS
-#define TACTICAL_LEVELS 120,30,(RAMP_SIZE+3)  // high, low, police strobe
+#define TACTICAL_LEVELS 130,30,(RAMP_SIZE+3)  // high, low, police strobe
 
 // use the brightest setting for strobe
 #define STROBE_BRIGHTNESS MAX_LEVEL
@@ -93,7 +91,7 @@
 
 // the power regulator is a bit slow, so push it harder for a quick response from off
 #define DEFAULT_JUMP_START_LEVEL 21
-#define BLINK_BRIGHTNESS DEFAULT_LEVEL
+#define BLINK_BRIGHTNESS 40
 #define BLINK_ONCE_TIME 12  // longer blink, since main LEDs are slow
 
 #define THERM_CAL_OFFSET 5
diff --git a/spaghetti-monster/anduril/cfg-noctigon-k9.3-219.h b/spaghetti-monster/anduril/cfg-noctigon-k9.3-219.h
index 2f8bdc0..65cb30b 100644
--- a/spaghetti-monster/anduril/cfg-noctigon-k9.3-219.h
+++ b/spaghetti-monster/anduril/cfg-noctigon-k9.3-219.h
@@ -9,14 +9,7 @@
 // ATTINY: 1634
 
 // main LEDs
-#undef PWM1_LEVELS
 #undef PWM2_LEVELS
-// don't turn off first channel at turbo level
-#define PWM1_LEVELS 0,0,1,1,2,2,3,3,4,4,5,6,7,8,9,10,11,13,14,15,17,19,20,22,24,26,28,30,33,35,38,40,43,46,49,52,55,59,62,66,70,74,78,82,86,91,96,100,105,111,116,121,127,133,139,145,151,158,165,172,179,186,193,201,209,217,225,234,243,251,261,270,280,289,299,310,320,331,342,353,364,376,388,400,412,425,438,451,464,478,492,506,521,536,551,566,582,597,614,630,647,664,681,699,717,735,754,772,792,811,831,851,871,892,913,935,956,978,1001,1023,1023,1023,1023,1023,1023,1023,1023,1023,1023,1023,1023,1023,1023,1023,1023,1023,1023,1023,1023,1023,1023,1023,1023,1023,1023,1023,1023,1023,1023,1023
 // 65% FET power
-#define PWM2_LEVELS 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,15,34,52,71,90,110,129,149,169,190,211,233,254,275,298,320,343,366,389,413,437,461,485,510,535,560,586,612,639,665
-
-// 2nd LEDs (unchanged)
-//#undef PWM3_LEVELS
-//#define PWM3_LEVELS 0,0,1,1,2,2,3,3,4,4,5,5,6,7,8,9,10,11,12,13,15,16,17,18,20,21,23,24,26,27,29,31,33,35,37,39,41,43,45,48,50,53,55,58,61,63,66,69,72,75,79,82,85,89,92,96,100,104,108,112,116,120,125,129,134,138,143,148,153,158,163,169,174,180,185,191,197,203,209,215,222,228,235,242,248,255,263,270,277,285,292,300,308,316,324,333,341,350,359,368,377,386,395,405,414,424,434,444,454,465,475,486,497,508,519,531,542,554,566,578,590,603,615,628,641,654,667,680,694,708,722,736,750,765,779,794,809,825,840,856,872,888,904,920,937,954,971,988,1005,1023
+#define PWM2_LEVELS 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,2,5,7,10,13,16,18,22,24,27,31,34,37,41,44,48,52,55,59,63,68,72,76,80,85,89,94,99,104,109,114,119,124,130,135,141,147,153,159,165
 
diff --git a/spaghetti-monster/anduril/cfg-noctigon-k9.3-nofet.h b/spaghetti-monster/anduril/cfg-noctigon-k9.3-nofet.h
index ece2bb2..16504fd 100644
--- a/spaghetti-monster/anduril/cfg-noctigon-k9.3-nofet.h
+++ b/spaghetti-monster/anduril/cfg-noctigon-k9.3-nofet.h
@@ -3,56 +3,10 @@
 // SPDX-License-Identifier: GPL-3.0-or-later
 #pragma once
 
-#include "cfg-noctigon-k9.3.h"
+// no functional differences from generic emisar-2ch build
+// (just use that one instead, this is only here for legacy reasons)
+#include "cfg-emisar-2ch.h"
 #undef MODEL_NUMBER
 #define MODEL_NUMBER "0262"
 // ATTINY: 1634
 
-// don't use the highest power channel
-#define K93_NO_FET
-
-// main LEDs
-#undef PWM1_LEVELS
-#undef PWM2_LEVELS
-#define PWM1_LEVELS 0,0,1,1,2,2,3,3,4,4,5,5,6,7,8,9,10,11,12,13,15,16,17,18,20,21,23,24,26,27,29,31,33,35,37,39,41,43,45,48,50,53,55,58,61,63,66,69,72,75,79,82,85,89,92,96,100,104,108,112,116,120,125,129,134,138,143,148,153,158,163,169,174,180,185,191,197,203,209,215,222,228,235,242,248,255,263,270,277,285,292,300,308,316,324,333,341,350,359,368,377,386,395,405,414,424,434,444,454,465,475,486,497,508,519,531,542,554,566,578,590,603,615,628,641,654,667,680,694,708,722,736,750,765,779,794,809,825,840,856,872,888,904,920,937,954,971,988,1005,1023
-// FET channel: unused, all zeroes
-#define PWM2_LEVELS 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0
-// 2nd LEDs
-#undef PWM3_LEVELS
-#define PWM3_LEVELS 0,0,1,1,2,2,3,3,4,4,5,5,6,7,8,9,10,11,12,13,15,16,17,18,20,21,23,24,26,27,29,31,33,35,37,39,41,43,45,48,50,53,55,58,61,63,66,69,72,75,79,82,85,89,92,96,100,104,108,112,116,120,125,129,134,138,143,148,153,158,163,169,174,180,185,191,197,203,209,215,222,228,235,242,248,255,263,270,277,285,292,300,308,316,324,333,341,350,359,368,377,386,395,405,414,424,434,444,454,465,475,486,497,508,519,531,542,554,566,578,590,603,615,628,641,654,667,680,694,708,722,736,750,765,779,794,809,825,840,856,872,888,904,920,937,954,971,988,1005,1023
-#undef DEFAULT_LEVEL
-#define DEFAULT_LEVEL 50
-#undef MAX_1x7135
-#undef MAX_Nx7135
-#define MAX_1x7135 150
-#define MAX_Nx7135 MAX_1x7135
-
-#undef RAMP_SMOOTH_FLOOR
-#undef RAMP_SMOOTH_CEIL
-#undef RAMP_DISCRETE_FLOOR
-#undef RAMP_DISCRETE_CEIL
-#undef RAMP_DISCRETE_STEPS
-
-#define RAMP_SMOOTH_FLOOR 3  // level 1 is unreliable(?)
-#define RAMP_SMOOTH_CEIL  130
-// 10, 30, [50], 70, 90, 110, 130  (plus [150] on turbo)
-#define RAMP_DISCRETE_FLOOR 10
-#define RAMP_DISCRETE_CEIL  RAMP_SMOOTH_CEIL
-#define RAMP_DISCRETE_STEPS 7
-
-// safe limit same as full UI
-#undef SIMPLE_UI_FLOOR
-#undef SIMPLE_UI_CEIL
-#define SIMPLE_UI_FLOOR RAMP_DISCRETE_FLOOR
-#define SIMPLE_UI_CEIL RAMP_DISCRETE_CEIL
-
-
-// make candle mode wobble more
-#define CANDLE_AMPLITUDE 32
-
-// stop panicking at ~90% power or ~1600 lm
-#undef THERM_FASTER_LEVEL
-#define THERM_FASTER_LEVEL 143
-#undef MIN_THERM_STEPDOWN
-#define MIN_THERM_STEPDOWN DEFAULT_LEVEL
-
diff --git a/spaghetti-monster/anduril/cfg-noctigon-k9.3-tintramp-219.h b/spaghetti-monster/anduril/cfg-noctigon-k9.3-tintramp-219.h
deleted file mode 100644
index 4eb8c86..0000000
--- a/spaghetti-monster/anduril/cfg-noctigon-k9.3-tintramp-219.h
+++ /dev/null
@@ -1,14 +0,0 @@
-// Noctigon K9.3 tint-ramping (reduced FET) config options for Anduril
-// Copyright (C) 2021-2023 Selene ToyKeeper
-// SPDX-License-Identifier: GPL-3.0-or-later
-#pragma once
-
-#include "cfg-noctigon-k9.3-tintramp-fet.h"
-#undef MODEL_NUMBER
-#define MODEL_NUMBER "0267"
-// ATTINY: 1634
-
-// 85% FET power
-#undef PWM2_LEVELS
-#define PWM2_LEVELS 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,4,11,17,24,33,41,51,60,70,80,91,103,116,129,141,156,170,185,200,216
-
diff --git a/spaghetti-monster/anduril/cfg-noctigon-k9.3-tintramp-fet.h b/spaghetti-monster/anduril/cfg-noctigon-k9.3-tintramp-fet.h
deleted file mode 100644
index 0c8f3c8..0000000
--- a/spaghetti-monster/anduril/cfg-noctigon-k9.3-tintramp-fet.h
+++ /dev/null
@@ -1,67 +0,0 @@
-// Noctigon K9.3 tint-ramping (plus FET) config options for Anduril
-// Copyright (C) 2021-2023 Selene ToyKeeper
-// SPDX-License-Identifier: GPL-3.0-or-later
-#pragma once
-
-#include "cfg-noctigon-k9.3-tintramp-nofet.h"
-#undef MODEL_NUMBER
-#define MODEL_NUMBER "0266"
-// ATTINY: 1634
-
-// enable the FET channel, even though it's ... kinda funky
-#undef PWM_CHANNELS
-#define PWM_CHANNELS 2
-
-// main LEDs
-//   output: 3000 lm?
-//   FET: 5000 to 7500 lm
-// 2nd LEDs
-//   output: 1500 lm?
-#define RAMP_LENGTH 150
-// level_calc.py 5.01 1 130 7135 1 0.2 2000 --pwm dyn:64:16383:511
-// plus a FET segment
-// level_calc.py 2 1 20 7135 5 1000.0 7000 --pwm 255
-// abstract ramp (power is split between both sets of LEDs)
-// ','.join([str(511 - int(x*2.005)) for x in fet])
-#undef PWM1_LEVELS
-// append: ,501,485,469,453,433,413,391,369,345,321,295,267,237,207,177,143,108,74,38,0
-#define PWM1_LEVELS 1,1,1,2,2,3,3,4,5,6,7,8,9,10,12,13,15,16,18,20,22,24,27,29,32,34,37,40,43,46,49,53,56,59,63,66,70,73,77,80,83,87,90,93,96,98,100,103,104,105,106,107,106,105,104,101,98,94,89,83,76,67,57,46,33,35,37,39,41,43,46,48,51,53,56,59,62,65,68,72,75,79,83,86,91,95,99,104,108,113,118,123,129,135,140,146,153,159,166,172,179,187,194,202,210,218,227,236,245,254,264,274,284,295,306,317,328,340,352,365,378,391,405,419,433,448,463,479,495,511,501,485,469,453,433,413,391,369,345,321,295,267,237,207,177,143,108,74,38,0
-#undef PWM_TOPS
-// append: ,511,511,511,511,511,511,511,511,511,511,511,511,511,511,511,511,511,511,511,511
-#define PWM_TOPS 16383,13233,9780,13825,9592,13434,9971,12020,12899,13192,13149,12898,12507,12022,12665,11981,12180,11421,11392,11246,11017,10730,10825,10433,10364,9926,9766,9564,9331,9075,8805,8692,8394,8095,7927,7625,7438,7142,6947,6664,6392,6202,5945,5699,5464,5186,4925,4726,4450,4194,3956,3734,3462,3212,2982,2717,2475,2230,1985,1741,1500,1244,996,755,511,511,511,511,511,511,511,511,511,511,511,511,511,511,511,511,511,511,511,511,511,511,511,511,511,511,511,511,511,511,511,511,511,511,511,511,511,511,511,511,511,511,511,511,511,511,511,511,511,511,511,511,511,511,511,511,511,511,511,511,511,511,511,511,511,511,511,511,511,511,511,511,511,511,511,511,511,511,511,511,511,511,511,511,511,511
-// prepend: 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
-#define PWM2_LEVELS 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,5,13,21,29,39,49,60,71,83,95,108,122,137,152,167,184,201,218,236,255
-#undef DEFAULT_LEVEL
-#define DEFAULT_LEVEL 70
-#undef MAX_1x7135
-#define MAX_1x7135 130
-
-#undef RAMP_SMOOTH_FLOOR
-#define RAMP_SMOOTH_FLOOR 10  // level 1 is unreliable (?)
-#undef RAMP_SMOOTH_CEIL
-#define RAMP_SMOOTH_CEIL  130
-// 10, 30, 50, [70], 90, 110, [130]
-#undef RAMP_DISCRETE_FLOOR
-#define RAMP_DISCRETE_FLOOR 10
-#undef RAMP_DISCRETE_CEIL
-#define RAMP_DISCRETE_CEIL  RAMP_SMOOTH_CEIL
-#undef RAMP_DISCRETE_STEPS
-#define RAMP_DISCRETE_STEPS 7
-
-// safe limit highest regulated power (no FET or turbo)
-#undef SIMPLE_UI_FLOOR
-#define SIMPLE_UI_FLOOR RAMP_DISCRETE_FLOOR
-#undef SIMPLE_UI_CEIL
-#define SIMPLE_UI_CEIL RAMP_DISCRETE_CEIL
-#undef SIMPLE_UI_STEPS
-#define SIMPLE_UI_STEPS 5
-
-// stop panicking at ~3000 lm
-#undef THERM_FASTER_LEVEL
-#define THERM_FASTER_LEVEL 130
-#undef MIN_THERM_STEPDOWN
-#define MIN_THERM_STEPDOWN 65  // should be above highest dyn_pwm level
-
-// speed up party strobe; the FET is really fast
-#undef PARTY_STROBE_ONTIME
-
diff --git a/spaghetti-monster/anduril/cfg-noctigon-k9.3-tintramp-nofet.h b/spaghetti-monster/anduril/cfg-noctigon-k9.3-tintramp-nofet.h
deleted file mode 100644
index 8eb55dc..0000000
--- a/spaghetti-monster/anduril/cfg-noctigon-k9.3-tintramp-nofet.h
+++ /dev/null
@@ -1,85 +0,0 @@
-// Noctigon K9.3 noFET tint-ramping config options for Anduril
-// Copyright (C) 2021-2023 Selene ToyKeeper
-// SPDX-License-Identifier: GPL-3.0-or-later
-#pragma once
-
-#define MODEL_NUMBER "0265"
-#include "hwdef-Emisar_D4Sv2-tintramp.h"
-#include "hank-cfg.h"
-// ATTINY: 1634
-
-// this light has three aux LED channels: R, G, B
-#define USE_AUX_RGB_LEDS
-// the aux LEDs are front-facing, so turn them off while main LEDs are on
-// it also has an independent LED in the button
-#define USE_BUTTON_LED
-// TODO: the whole "indicator LED" thing needs to be refactored into
-//       "aux LED(s)" and "button LED(s)" since they work a bit differently
-// enabling this option breaks the button LED on D4v2.5
-#ifdef USE_INDICATOR_LED_WHILE_RAMPING
-#undef USE_INDICATOR_LED_WHILE_RAMPING
-#endif
-
-// has two channels of independent LEDs
-#define USE_TINT_RAMPING
-// how much to increase total brightness at middle tint
-// (0 = 100% brightness, 64 = 200% brightness)
-#define TINT_RAMPING_CORRECTION 0  // none, linear regulator doesn't need it
-
-// main LEDs
-//   output: 3000 lm?
-//   FET: disabled
-// 2nd LEDs
-//   output: 1500 lm?
-#define RAMP_LENGTH 150
-// level_calc.py 5.01 1 150 7135 1 0.2 2000 --pwm dyn:74:16383:511
-// abstract ramp (power is split between both sets of LEDs)
-#define PWM1_LEVELS 1,1,1,2,2,2,3,4,4,5,6,6,7,8,9,10,12,13,14,16,17,19,20,22,24,26,28,30,32,35,37,40,42,45,47,50,53,56,59,62,65,68,71,74,77,80,83,86,89,91,94,96,98,100,102,104,105,106,107,107,107,106,105,103,101,98,94,90,84,78,71,63,54,44,33,35,37,38,40,42,44,46,48,50,53,55,57,60,63,65,68,71,74,77,80,83,87,90,94,98,102,106,110,114,118,123,128,132,137,142,148,153,159,164,170,176,183,189,196,202,209,216,224,231,239,247,255,263,272,281,290,299,309,318,328,339,349,360,371,382,394,406,418,430,443,456,469,483,497,511
-#define PWM_TOPS 16383,13673,10738,15435,11908,8123,12779,14756,12240,13447,14013,11907,12263,12351,12261,12048,12926,12464,11972,12278,11704,11789,11180,11134,11013,10837,10620,10371,10100,10113,9793,9718,9376,9248,8898,8738,8560,8369,8168,7961,7749,7535,7321,7107,6895,6686,6480,6278,6080,5823,5639,5403,5178,4965,4763,4570,4346,4134,3936,3714,3507,3283,3074,2853,2648,2433,2211,2006,1776,1564,1351,1137,924,714,511,511,511,511,511,511,511,511,511,511,511,511,511,511,511,511,511,511,511,511,511,511,511,511,511,511,511,511,511,511,511,511,511,511,511,511,511,511,511,511,511,511,511,511,511,511,511,511,511,511,511,511,511,511,511,511,511,511,511,511,511,511,511,511,511,511,511,511,511,511,511,511,511,511,511,511
-#define DEFAULT_LEVEL 70
-#define MAX_1x7135 150
-#define HALFSPEED_LEVEL 10
-#define QUARTERSPEED_LEVEL 2
-
-#define USE_MANUAL_MEMORY_TIMER_FOR_TINT
-//#define DEFAULT_MANUAL_MEMORY        DEFAULT_LEVEL
-//#define DEFAULT_MANUAL_MEMORY_TIMER  10
-
-#define RAMP_SMOOTH_FLOOR 10  // level 1 is unreliable (?)
-#define RAMP_SMOOTH_CEIL  130
-// 10, 30, 50, [70], 90, 110, [130]
-#define RAMP_DISCRETE_FLOOR 10
-#define RAMP_DISCRETE_CEIL  RAMP_SMOOTH_CEIL
-#define RAMP_DISCRETE_STEPS 7
-
-// safe limit highest regulated power (no FET or turbo)
-#define SIMPLE_UI_FLOOR RAMP_DISCRETE_FLOOR
-#define SIMPLE_UI_CEIL RAMP_DISCRETE_CEIL
-#define SIMPLE_UI_STEPS 5
-
-// stop panicking at ~2000 lm
-#define THERM_FASTER_LEVEL 140
-#define MIN_THERM_STEPDOWN 75  // should be above highest dyn_pwm level
-
-// use the brightest setting for strobe
-#define STROBE_BRIGHTNESS MAX_LEVEL
-// slow down party strobe; this driver can't pulse for 1ms or less
-#define PARTY_STROBE_ONTIME 2
-
-// the default of 26 looks a bit flat, so increase it
-#define CANDLE_AMPLITUDE 40
-
-// the power regulator is a bit slow, so push it harder for a quick response from off
-#define DEFAULT_JUMP_START_LEVEL 21
-#define BLINK_BRIGHTNESS DEFAULT_LEVEL
-#define BLINK_ONCE_TIME 12  // longer blink, since main LEDs are slow
-
-#define THERM_CAL_OFFSET 9
-
-#ifdef BLINK_AT_RAMP_MIDDLE
-#undef BLINK_AT_RAMP_MIDDLE
-#endif
-
-// for consistency with KR4 (not otherwise necessary though)
-#define USE_SOFT_FACTORY_RESET
-
diff --git a/spaghetti-monster/anduril/cfg-noctigon-k9.3.h b/spaghetti-monster/anduril/cfg-noctigon-k9.3.h
index bf504d2..1811f1b 100644
--- a/spaghetti-monster/anduril/cfg-noctigon-k9.3.h
+++ b/spaghetti-monster/anduril/cfg-noctigon-k9.3.h
@@ -4,20 +4,13 @@
 #pragma once
 
 #define MODEL_NUMBER "0261"
-#include "hwdef-Noctigon_K9.3.h"
+#include "hwdef-emisar-2ch-fet.h"
 #include "hank-cfg.h"
 // ATTINY: 1634
-// this model requires some special code
-#define OVERRIDES_FILE cfg-noctigon-k9.3.c
-#define OVERRIDE_SET_LEVEL
-#define OVERRIDE_GRADUAL_TICK
-inline void set_level_override(uint8_t level);
-
 
 // this light has three aux LED channels: R, G, B
 #define USE_AUX_RGB_LEDS
 // the aux LEDs are front-facing, so turn them off while main LEDs are on
-//#define USE_AUX_RGB_LEDS_WHILE_ON
 // it also has an independent LED in the button
 #define USE_BUTTON_LED
 // TODO: the whole "indicator LED" thing needs to be refactored into
@@ -27,60 +20,92 @@ inline void set_level_override(uint8_t level);
 #undef USE_INDICATOR_LED_WHILE_RAMPING
 #endif
 
-// has two channels of independent LEDs
-#define USE_TINT_RAMPING
-// ... but it doesn't make sense to ramp between; only toggle
-#define TINT_RAMP_TOGGLE_ONLY
+// channel modes...
+// CM_CH1, CM_CH2, CM_BOTH, CM_BLEND, CM_AUTO
+// enable max brightness out of the box
+#define DEFAULT_CHANNEL_MODE           CM_BLEND
+
+#define USE_CONFIG_COLORS
+
+// blink numbers on the main LEDs by default (but allow user to change it)
+#define DEFAULT_BLINK_CHANNEL  CM_BLEND
+
+#define POLICE_COLOR_STROBE_CH1        CM_CH1
+#define POLICE_COLOR_STROBE_CH2        CM_CH2
+
+// how much to increase total brightness at middle tint
+// (0 = 100% brightness, 64 = 200% brightness)
+#define TINT_RAMPING_CORRECTION 0  // none, linear regulator doesn't need it
+
 
 // main LEDs
 //   max regulated: ~1750 lm
 //   FET: ~8000 lm
 // 2nd LEDs
 //   max regulated: ~1500 lm
-// maxreg at 120: level_calc.py cube 2 150 7135 0 2.5 1740 FET 1 10 3190
-#define RAMP_LENGTH 150
-// main LEDs
-#define PWM1_LEVELS 0,0,1,1,2,2,3,3,4,4,5,6,7,8,9,10,11,13,14,15,17,19,20,22,24,26,28,30,33,35,38,40,43,46,49,52,55,59,62,66,70,74,78,82,86,91,96,100,105,111,116,121,127,133,139,145,151,158,165,172,179,186,193,201,209,217,225,234,243,251,261,270,280,289,299,310,320,331,342,353,364,376,388,400,412,425,438,451,464,478,492,506,521,536,551,566,582,597,614,630,647,664,681,699,717,735,754,772,792,811,831,851,871,892,913,935,956,978,1001,1023,1023,1023,1023,1023,1023,1023,1023,1023,1023,1023,1023,1023,1023,1023,1023,1023,1023,1023,1023,1023,1023,1023,1023,1023,1023,1023,1023,1023,1023,0
-#define PWM2_LEVELS 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,22,51,79,109,138,168,198,229,260,292,324,357,390,423,457,492,527,562,598,634,671,708,746,784,822,861,901,941,982,1023
-// 2nd LEDs
-#define PWM3_LEVELS 0,0,1,1,2,2,3,3,4,4,5,5,6,7,8,9,10,11,12,13,15,16,17,18,20,21,23,24,26,27,29,31,33,35,37,39,41,43,45,48,50,53,55,58,61,63,66,69,72,75,79,82,85,89,92,96,100,104,108,112,116,120,125,129,134,138,143,148,153,158,163,169,174,180,185,191,197,203,209,215,222,228,235,242,248,255,263,270,277,285,292,300,308,316,324,333,341,350,359,368,377,386,395,405,414,424,434,444,454,465,475,486,497,508,519,531,542,554,566,578,590,603,615,628,641,654,667,680,694,708,722,736,750,765,779,794,809,825,840,856,872,888,904,920,937,954,971,988,1005,1023
-#define DEFAULT_LEVEL 46
-#define MAX_1x7135 120
-#define MAX_Nx7135 MAX_1x7135
-#define HALFSPEED_LEVEL 10
-#define QUARTERSPEED_LEVEL 2
-
-#define USE_MANUAL_MEMORY_TIMER_FOR_TINT
-//#define DEFAULT_MANUAL_MEMORY        DEFAULT_LEVEL
-//#define DEFAULT_MANUAL_MEMORY_TIMER  10
-
-#define RAMP_SMOOTH_FLOOR 3  // level 1 is unreliable (?)
-#define RAMP_SMOOTH_CEIL  120
-// 10, 28, [46], 65, 83, 101, [120]
+#define RAMP_SIZE 150
+
+// linear+FET ramp: maxreg at 110/150
+// level_calc.py 4.3398 2 150 7135 1 0.1 1750 FET 1 10 6000 --pwm dyn:63:4096:255:3 --clock 8:16:0
+// linear segment
+#define PWM1_LEVELS 1,1,1,1,1,1,1,1,2,2,2,2,3,3,3,4,4,4,5,5,5,6,6,7,7,7,8,8,8,9,9,9,10,10,10,11,11,11,12,12,12,13,13,13,14,14,14,15,15,16,17,17,18,19,20,21,22,23,25,27,28,30,32,33,35,37,39,42,44,46,49,51,54,57,59,62,65,69,72,75,79,83,87,91,95,99,103,108,113,118,123,128,133,139,145,151,157,163,169,176,183,190,197,205,213,221,229,237,246,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255
+// DD FET segment
+#define PWM2_LEVELS 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,4,8,12,16,20,25,29,34,38,43,48,53,58,64,69,75,80,86,92,98,105,111,118,124,131,138,145,153,160,168,176,184,192,201,209,218,227,236,245,255
+// PWM TOPS values
+#define PWM3_LEVELS 4096,3746,3391,3029,2662,2293,1922,1553,2591,2163,1745,1341,1986,1836,1526,1901,1644,1402,1603,1400,1212,1329,1170,1232,1097,974,1012,907,812,836,754,681,695,631,574,582,532,487,491,451,415,417,386,356,357,331,307,308,286,286,284,265,264,261,258,255,251,247,253,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255
+
+// linear-only ramp
+// level_calc.py 3.11 1 150 7135 1 0.1 1750 --pwm dyn:64:4096:255:3 --clock 8:16:0
+#define PWM4_LEVELS 1,1,1,1,1,1,2,2,2,3,3,3,4,4,4,5,5,6,6,6,7,7,7,8,8,8,9,9,9,10,10,10,10,10,10,11,11,11,11,11,11,11,12,12,12,12,12,12,13,13,13,14,14,14,15,15,16,17,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31,33,34,35,37,38,39,41,42,44,45,47,48,50,52,53,55,57,59,61,63,65,67,69,71,73,75,77,79,82,84,86,89,91,94,97,99,102,105,107,110,113,116,119,122,125,128,132,135,138,141,145,148,152,156,159,163,167,170,174,178,182,186,190,195,199,203,208,212,217,221,226,230,235,240,245,250,255
+// PWM_TOPS values for linear-only ramp
+#define PWM5_LEVELS 4096,3681,3247,2794,2328,1856,2937,2393,1860,2690,2273,1875,2281,1959,1658,1893,1646,1774,1569,1381,1466,1309,1166,1224,1104,996,1033,942,858,882,810,746,687,634,586,604,561,522,487,454,425,397,409,385,362,341,321,302,311,295,279,286,271,257,263,250,255,258,246,249,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255
+
+#define DEFAULT_LEVEL      60
+#define MAX_1x7135         110
+#define MAX_Nx7135         MAX_1x7135
+#define HALFSPEED_LEVEL    16
+#define QUARTERSPEED_LEVEL 8
+
+#define RAMP_SMOOTH_FLOOR  10  // level 1 is unreliable (?)
+#define RAMP_SMOOTH_CEIL   110
+// 10, 26, 43, [60], 76, 93, 110
 #define RAMP_DISCRETE_FLOOR 10
 #define RAMP_DISCRETE_CEIL  RAMP_SMOOTH_CEIL
 #define RAMP_DISCRETE_STEPS 7
 
-// safe limit highest regulated power (no FET or turbo)
-#define SIMPLE_UI_FLOOR RAMP_DISCRETE_FLOOR
-#define SIMPLE_UI_CEIL RAMP_DISCRETE_CEIL
-#define SIMPLE_UI_STEPS 5
+// 10, 35, [60], 85, 110
+#define SIMPLE_UI_FLOOR  RAMP_DISCRETE_FLOOR
+#define SIMPLE_UI_CEIL   RAMP_DISCRETE_CEIL
+#define SIMPLE_UI_STEPS  5
 
 // stop panicking at ~25% power or ~1000 lm
 #define THERM_FASTER_LEVEL 100
-#define MIN_THERM_STEPDOWN DEFAULT_LEVEL
-//#define THERM_NEXT_WARNING_THRESHOLD 16  // accumulate less error before adjusting
-//#define THERM_RESPONSE_MAGNITUDE 128  // bigger adjustments
+#define MIN_THERM_STEPDOWN 60  // should be above highest dyn_pwm level
+
+#define USE_POLICE_COLOR_STROBE_MODE
+#undef  TACTICAL_LEVELS
+#define TACTICAL_LEVELS 110,30,(RAMP_SIZE+3)  // high, low, police strobe
 
 // use the brightest setting for strobe
 #define STROBE_BRIGHTNESS MAX_LEVEL
 // slow down party strobe; this driver can't pulse for 1ms or less
 #define PARTY_STROBE_ONTIME 2
+// TODO: change speed per channel mode
+// (the FET is really fast, but the regulator is not)
+//#undef PARTY_STROBE_ONTIME
+
+// the default of 26 looks a bit flat, so increase it
+#define CANDLE_AMPLITUDE 33
 
+// the power regulator is a bit slow, so push it harder for a quick response from off
+#define DEFAULT_JUMP_START_LEVEL 10
+#define BLINK_BRIGHTNESS 30
 #define BLINK_ONCE_TIME 12  // longer blink, since main LEDs are slow
 
 #define THERM_CAL_OFFSET 5
 
-// for consistency with KR4 (not otherwise necessary though)
-#define USE_SOFT_FACTORY_RESET
+// don't blink while ramping
+#ifdef BLINK_AT_RAMP_MIDDLE
+#undef BLINK_AT_RAMP_MIDDLE
+#endif
 
diff --git a/spaghetti-monster/fsm-ramping.h b/spaghetti-monster/fsm-ramping.h
index 0c299c4..cae9a4d 100644
--- a/spaghetti-monster/fsm-ramping.h
+++ b/spaghetti-monster/fsm-ramping.h
@@ -105,6 +105,12 @@ PROGMEM const PWM2_DATATYPE pwm2_levels[] = { PWM2_LEVELS };
 #ifdef PWM3_LEVELS
 PROGMEM const PWM3_DATATYPE pwm3_levels[] = { PWM3_LEVELS };
 #endif
+#ifdef PWM4_LEVELS
+PROGMEM const PWM4_DATATYPE pwm4_levels[] = { PWM4_LEVELS };
+#endif
+#ifdef PWM5_LEVELS
+PROGMEM const PWM5_DATATYPE pwm5_levels[] = { PWM5_LEVELS };
+#endif
 
 // convenience defs for 1 LED with stacked channels
 // FIXME: remove this, use pwm1/2/3 instead