aboutsummaryrefslogtreecommitdiff
path: root/hw/hank/noctigon-m44
diff options
context:
space:
mode:
Diffstat (limited to 'hw/hank/noctigon-m44')
-rw-r--r--hw/hank/noctigon-m44/cfg.h134
-rw-r--r--hw/hank/noctigon-m44/hwdef.c262
-rw-r--r--hw/hank/noctigon-m44/hwdef.h206
3 files changed, 602 insertions, 0 deletions
diff --git a/hw/hank/noctigon-m44/cfg.h b/hw/hank/noctigon-m44/cfg.h
new file mode 100644
index 0000000..88bf628
--- /dev/null
+++ b/hw/hank/noctigon-m44/cfg.h
@@ -0,0 +1,134 @@
+// Noctigon M44 config options for Anduril
+// Copyright (C) 2023 Selene ToyKeeper
+// SPDX-License-Identifier: GPL-3.0-or-later
+#pragma once
+
+#define MODEL_NUMBER "0143"
+#include "hwdef-noctigon-m44.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_BOTH
+
+//#define FACTORY_RESET_WARN_CHANNEL CM_CH2
+//#define FACTORY_RESET_SUCCESS_CHANNEL CM_BOTH
+
+#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_BOTH
+
+#define POLICE_COLOR_STROBE_CH1 CM_CH1
+#define POLICE_COLOR_STROBE_CH2 CM_CH2
+// aux red + aux blue are the correct colors, but are dim
+//#define POLICE_COLOR_STROBE_CH1 CM_AUXRED
+//#define POLICE_COLOR_STROBE_CH2 CM_AUXBLU
+
+// 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
+// output: unknown, 6000 lm?
+// channel 2
+// output: unknown, 6000 lm?
+#define RAMP_SIZE 150
+#if 0 // optimized hand-tweaked ramp from before PWM+DSM update
+// "100% power" ramp
+// level_calc.py 5.01 1 150 7135 0 2.0 5000 --pwm dyn:64:16384:511:5
+// (with manual tweaks)
+#define PWM1_LEVELS 0,1,1,2,2,3,4,5,6,6,7,7,7,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,9,9,9,9,9,9,10,10,11,11,12,12,13,14,15,16,17,18,19,20,21,22,23,24,26,27,28,29,31,32,34,35,37,39,40,42,44,46,48,50,52,54,57,59,62,64,67,69,72,75,78,81,84,87,91,94,98,101,105,109,113,117,121,126,130,135,140,145,150,155,160,165,171,177,183,189,195,201,208,214,221,228,236,243,251,258,266,274,283,291,300,309,318,328,337,347,357,368,378,389,400,411,423,435,447,459,472,484,498,511
+#define PWM_TOPS 16383,16383,10002,11695,8083,9374,9793,7993,8291,7017,7180,6235,5431,5556,4927,4385,3916,3511,3159,2852,2585,2349,2142,1958,1795,1648,1517,1398,1290,1193,1104,1023,950,883,822,765,714,667,623,582,632,610,588,566,544,512,535,505,523,494,509,480,492,502,509,511,511,511,511,511,511,511,511,511,511,511,511,511,511,511,511,511,511,511,511,511,511,511,511,511,511,511,511,511,511,511,511,511,511,511,511,511,511,511,511,511,511,511,511,511,511,511,511,511,511,511,511,511,511,511,511,511,511,511,511,511,511,511,511,511,511,511,511,511,511,511,511,511,511,511,511,511,511,511,511,511,511,511,511,511,511,511,511,511,511,511,511,511,511,511
+// max "200% power" ramp and tops
+// 1-130: 0 to 100% power
+// level_calc.py 5.01 1 130 7135 2 0.2 2000 --pwm dyn:64:16383:511
+// 131 to 150: 101% to 200% power
+// level_calc.py 6.44 1 150 7135 1 0.2 2000 --pwm dyn:74:16383:1022
+//#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 MIN_THERM_STEPDOWN 65 // should be above highest dyn_pwm level
+#define DEFAULT_LEVEL 70
+#define MAX_1x7135 150
+#define HALFSPEED_LEVEL 10
+#define QUARTERSPEED_LEVEL 2
+#endif // end old ramp config
+
+// delta-sigma modulated PWM (0b0HHHHHHHHLLLLLLL = 0, 8xHigh, 7xLow bits)
+// level_calc.py 5.01 1 150 7135 0 0.2 2000 --pwm 32640
+// (max is (255 << 7), because it's 8-bit PWM plus 7 bits of DSM)
+#define PWM1_LEVELS 0,1,2,3,4,5,6,7,9,10,12,14,17,19,22,25,28,32,36,41,45,50,56,62,69,76,84,92,101,110,121,132,143,156,169,184,199,215,232,251,270,291,313,336,360,386,414,442,473,505,539,574,612,651,693,736,782,829,880,932,987,1045,1105,1168,1233,1302,1374,1449,1527,1608,1693,1781,1873,1969,2068,2172,2279,2391,2507,2628,2753,2883,3018,3158,3303,3454,3609,3771,3938,4111,4289,4475,4666,4864,5068,5280,5498,5724,5957,6197,6445,6701,6965,7237,7518,7808,8106,8413,8730,9056,9392,9737,10093,10459,10835,11223,11621,12031,12452,12884,13329,13786,14255,14737,15232,15741,16262,16798,17347,17911,18489,19082,19691,20314,20954,21609,22281,22969,23674,24397,25137,25895,26671,27465,28279,29111,29963,30835,31727,32640
+
+#define MIN_THERM_STEPDOWN 50
+#define DEFAULT_LEVEL 70
+#define MAX_1x7135 150
+// always run at 1/4th speed, because 4 kHz PWM is enough for this circuit
+// and speed changes make a big visible bump
+#define HALFSPEED_LEVEL 255
+#define QUARTERSPEED_LEVEL 255
+
+#define RAMP_SMOOTH_FLOOR 1
+#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
+
+// 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 ~???? lm
+#define THERM_FASTER_LEVEL 130
+
+#define USE_POLICE_COLOR_STROBE_MODE
+#undef TACTICAL_LEVELS
+#define TACTICAL_LEVELS 120,30,(RAMP_SIZE+3) // high, low, police strobe
+
+// use the brightest setting for strobe
+#define STROBE_BRIGHTNESS MAX_LEVEL
+// slow down party strobe; this driver takes a while to start making any light
+#define PARTY_STROBE_ONTIME 12
+//#define STROBE_OFF_LEVEL 1 // nope, this makes strobe blurry
+// bike strobe needs a longer pulse too? nope
+#define BIKE_STROBE_ONTIME 8
+
+// the default of 26 looks a bit flat, so increase it
+#define CANDLE_AMPLITUDE 33
+
+// party strobe, tac strobe, police, lightning, candle, bike
+#define DEFAULT_STROBE_CHANNELS CM_BOTH,CM_BOTH,CM_BOTH,CM_AUTO,CM_AUTO,CM_AUTO
+
+// the power regulator is a bit slow, so push it harder for a quick response from off
+//#define DEFAULT_JUMP_START_LEVEL 50
+//#define JUMP_START_TIME 50
+#define BLINK_BRIGHTNESS 30
+#define BLINK_ONCE_TIME 16 // longer blink, since the boost driver is slow
+
+#define THERM_CAL_OFFSET 5
+
+// don't blink while ramping
+#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/hw/hank/noctigon-m44/hwdef.c b/hw/hank/noctigon-m44/hwdef.c
new file mode 100644
index 0000000..395a7a2
--- /dev/null
+++ b/hw/hank/noctigon-m44/hwdef.c
@@ -0,0 +1,262 @@
+// 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);
+}
+
+
diff --git a/hw/hank/noctigon-m44/hwdef.h b/hw/hank/noctigon-m44/hwdef.h
new file mode 100644
index 0000000..5658c9f
--- /dev/null
+++ b/hw/hank/noctigon-m44/hwdef.h
@@ -0,0 +1,206 @@
+// hwdef for Noctigon M44 2-channel light
+// Copyright (C) 2023 Selene ToyKeeper
+// SPDX-License-Identifier: GPL-3.0-or-later
+#pragma once
+
+/*
+ * Pin / Name / Function
+ * 1 PA6 ch2 LED PWM (boost) (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 (none)
+ * 7 PA0 Opamp 2 enable (channel 2 LEDs)
+ * 8 GND GND
+ * 9 VCC VCC
+ * 10 PC5 (none)
+ * 11 PC4 (none)
+ * 12 PC3 RESET
+ * 13 PC2 (none)
+ * 14 PC1 SCK
+ * 15 PC0 (none)
+ * 16 PB3 ch1 LED PWM (linear) (PWM1A)
+ * 17 PB2 MISO
+ * 18 PB1 MOSI / battery voltage (ADC6)
+ * 19 PB0 Opamp 1 enable (channel 1 LEDs)
+ * 20 PA7 e-switch (PCINT7)
+ * ADC12 thermal sensor
+ */
+
+#define ATTINY 1634
+#include <avr/io.h>
+
+#define HWDEF_C_FILE hwdef-noctigon-m44.c
+
+// allow using aux LEDs as extra channel modes
+#include "chan-rgbaux.h"
+
+// channel modes:
+// * 0. channel 1 only
+// * 1. channel 2 only
+// * 2. both channels, tied together, max "200%" power
+// * 3. both channels, manual blend, max "100%" power
+// * 4? both channels, manual blend, max 200% power
+// * 4. both channels, auto blend, reversible
+#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 1 // old, remove this
+
+#define PWM_BITS 16 // 0 to 32640 (0 to 255 PWM + 0 to 127 DSM) at constant kHz
+#define PWM_GET PWM_GET16
+#define PWM_DATATYPE uint16_t
+#define PWM_DATATYPE2 uint32_t // only needs 32-bit if ramp values go over 255
+#define PWM1_DATATYPE uint16_t // 15-bit PWM+DSM ramp
+//#define PWM2_DATATYPE uint16_t // max "200% power" ramp table
+
+// PWM parameters of both channels are tied together because they share a counter
+// dynamic PWM
+#define PWM_TOP ICR1 // holds the TOP value for for variable-resolution PWM
+#define PWM_TOP_INIT 255
+#define PWM_CNT TCNT1 // for checking / resetting phase
+// (max is (255 << 7), because it's 8-bit PWM plus 7 bits of DSM)
+#define DSM_TOP (255<<7) // 15-bit resolution leaves 1 bit for carry
+
+// timer interrupt for DSM
+#define DSM_vect TIMER1_OVF_vect
+#define DSM_INTCTRL TIMSK
+#define DSM_OVF_bm (1<<TOIE1)
+
+#define DELAY_FACTOR 90 // less time in delay() because more time spent in interrupts
+
+// 1st channel (8 LEDs)
+uint16_t ch1_dsm_lvl;
+uint8_t ch1_pwm, ch1_dsm;
+#define CH1_PIN PB3 // pin 16, Opamp reference
+#define CH1_PWM OCR1A // OCR1A is the output compare register for PB3
+#define CH1_ENABLE_PIN PB0 // pin 19, Opamp power
+#define CH1_ENABLE_PORT PORTB // control port for PB0
+
+// 2nd channel (8 LEDs)
+uint16_t ch2_dsm_lvl;
+uint8_t ch2_pwm, ch2_dsm;
+#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 PA0 // pin 7, Opamp power
+#define CH2_ENABLE_PORT PORTA // control port for PA0
+
+
+// e-switch
+#define SWITCH_PIN PA7 // pin 20
+#define SWITCH_PCINT PCINT7 // pin 20 pin change interrupt
+#define SWITCH_PCIE PCIE0 // PCIE0 is for PCINT[7:0]
+#define SWITCH_PCMSK PCMSK0 // PCMSK0 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]
+
+#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)
+ | (1 << CH1_ENABLE_PIN)
+ ;
+ DDRA = (1 << CH2_PIN)
+ | (1 << CH2_ENABLE_PIN)
+ | (1 << AUXLED_R_PIN)
+ | (1 << AUXLED_G_PIN)
+ | (1 << AUXLED_B_PIN)
+ | (1 << BUTTON_LED_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
+ // PWM for both channels
+ // WGM1[3:0]: 1,0,1,0: PWM, Phase Correct, adjustable (DS table 12-5)
+ // WGM1[3:0]: 1,1,1,0: PWM, Fast, 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) | (1<<WGM12) // fast adjustable PWM (DS table 12-5)
+ | (1<<WGM13) | (0<<WGM12) // phase-correct adjustable PWM (DS table 12-5)
+ ;
+
+ // set PWM resolution
+ PWM_TOP = PWM_TOP_INIT;
+
+ // set up interrupt for delta-sigma modulation
+ // (moved to hwdef.c functions so it can be enabled/disabled based on ramp level)
+ //DSM_INTCTRL |= DSM_OVF_bm; // interrupt once for each timer cycle
+
+ // 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
+
If you find this content useful please consider a small donation via bitcoin: bitcoin:1mxKyQsHHugqRxPKgwaA7wUwJEGCNthn2?amount=0.001&message=Donation Scraping git contents via cgit is very resource intensive. The continued hosting of these git repositories is entirely financed by your bitcoin contributions. For donations of a least 1 mBTC you include your IP address in the message of your bitcoin donation. This will remove this message in the future for requests from your IP, which will significantly reduce token usage. In any case, any contributions to bitcoin address 1mxKyQsHHugqRxPKgwaA7wUwJEGCNthn2 are very welcome. Thanks in advance for you contribution to a self-sustaining ecosystem.