3 files changed, 211 insertions, 0 deletions
diff --git a/hw/hank/emisar-d4/cfg.h b/hw/hank/emisar-d4/cfg.h
new file mode 100644
index 0000000..4b3ae5a
--- /dev/null
+++ b/hw/hank/emisar-d4/cfg.h
@@ -0,0 +1,48 @@
+// Emisar D4 config options for Anduril
+// Copyright (C) 2017-2023 Selene ToyKeeper
+// SPDX-License-Identifier: GPL-3.0-or-later
+#pragma once
+
+#define MODEL_NUMBER "0111"
+#include "hwdef-emisar-d4.h"
+#include "hank-cfg.h"
+// ATTINY: 85
+
+#define RAMP_SIZE 150
+
+// ../../bin/level_calc.py 1 65 7135 1 0.8 150
+// ... mixed with this:
+// ../../bin/level_calc.py 2 150 7135 4 0.33 150 FET 1 10 1500
+#define PWM1_LEVELS 1,1,2,2,3,3,4,4,5,6,7,8,9,10,12,13,14,15,17,19,20,22,24,26,29,31,34,36,39,42,45,48,51,55,59,62,66,70,75,79,84,89,93,99,104,110,115,121,127,134,140,147,154,161,168,176,184,192,200,209,217,226,236,245,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,0
+#define PWM2_LEVELS 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1,3,4,5,7,8,9,11,12,14,15,17,19,20,22,24,25,27,29,31,33,35,37,39,41,43,45,48,50,52,55,57,59,62,64,67,70,72,75,78,81,84,87,90,93,96,99,102,105,109,112,115,119,122,126,129,133,137,141,144,148,152,156,160,165,169,173,177,182,186,191,195,200,205,209,214,219,224,229,234,239,244,250,255
+
+#define MAX_1x7135 65
+#define DEFAULT_LEVEL 65
+#define HALFSPEED_LEVEL 15
+#define QUARTERSPEED_LEVEL 6
+
+#define RAMP_SMOOTH_FLOOR 1
+#define RAMP_SMOOTH_CEIL  120
+// 10, 28, 46, [65], 83, 101, 120
+#define RAMP_DISCRETE_FLOOR 10
+#define RAMP_DISCRETE_CEIL  RAMP_SMOOTH_CEIL
+#define RAMP_DISCRETE_STEPS 7
+
+// safe limit ~20% power
+#define SIMPLE_UI_FLOOR  RAMP_DISCRETE_FLOOR
+#define SIMPLE_UI_CEIL   100
+#define SIMPLE_UI_STEPS  5
+
+// stop panicking at ~30% power or ~1200 lm
+#define THERM_FASTER_LEVEL 105
+
+// don't blink during ramp
+#undef BLINK_AT_RAMP_MIDDLE
+
+// enable extra features
+#define USE_SMOOTH_STEPS
+
+// too big, turn off extra features
+//#undef USE_TACTICAL_MODE
+#undef USE_SOS_MODE
+
diff --git a/hw/hank/emisar-d4/hwdef.c b/hw/hank/emisar-d4/hwdef.c
new file mode 100644
index 0000000..972f682
--- /dev/null
+++ b/hw/hank/emisar-d4/hwdef.c
@@ -0,0 +1,59 @@
+// Emisar D4 PWM helper functions
+// Copyright (C) 2017-2023 Selene ToyKeeper
+// SPDX-License-Identifier: GPL-3.0-or-later
+
+#pragma once
+
+//#ifdef AUXLED_PIN
+#if 0
+#include "chan-aux.c"
+#else
+#define AUX_CHANNELS
+#endif
+
+void set_level_zero();
+
+void set_level_main(uint8_t level);
+bool gradual_tick_main(uint8_t gt);
+
+
+Channel channels[] = {
+    { // main LEDs
+        .set_level    = set_level_main,
+        .gradual_tick = gradual_tick_main
+    },
+    AUX_CHANNELS
+};
+
+
+void set_level_zero() {
+    CH1_PWM = 0;
+    CH2_PWM = 0;
+}
+
+// TODO: implement delta-sigma modulation for better low modes
+
+// single set of LEDs with 2 stacked power channels, DDFET+1 or DDFET+linear
+void set_level_main(uint8_t level) {
+    PWM_DATATYPE ch1_pwm = PWM_GET(pwm1_levels, level);
+    PWM_DATATYPE ch2_pwm = PWM_GET(pwm2_levels, level);
+
+    CH1_PWM = ch1_pwm;
+    CH2_PWM = ch2_pwm;
+}
+
+bool gradual_tick_main(uint8_t gt) {
+    PWM_DATATYPE pwm1 = PWM_GET(pwm1_levels, gt);
+    PWM_DATATYPE pwm2 = PWM_GET(pwm2_levels, gt);
+
+    GRADUAL_ADJUST_STACKED(pwm1, CH1_PWM, PWM_TOP_INIT);
+    GRADUAL_ADJUST_SIMPLE (pwm2, CH2_PWM);
+
+    if (   (pwm1 == CH1_PWM)
+        && (pwm2 == CH2_PWM)
+       ) {
+        return true;  // done
+    }
+    return false;  // not done yet
+}
+
diff --git a/hw/hank/emisar-d4/hwdef.h b/hw/hank/emisar-d4/hwdef.h
new file mode 100644
index 0000000..7be700a
--- /dev/null
+++ b/hw/hank/emisar-d4/hwdef.h
@@ -0,0 +1,104 @@
+// Emisar D4 driver layout
+// Copyright (C) 2017-2023 Selene ToyKeeper
+// SPDX-License-Identifier: GPL-3.0-or-later
+#pragma once
+
+/*
+ *           ----
+ *   Reset -|1  8|- VCC
+ * eswitch -|2  7|-
+ * AUX LED -|3  6|- PWM (FET)
+ *     GND -|4  5|- PWM (1x7135)
+ *           ----
+ */
+
+#define ATTINY 85
+#include <avr/io.h>
+
+#define HWDEF_C_FILE hwdef-emisar-d4.c
+
+// allow using aux LEDs as extra channel modes (when they exist)
+//#ifdef AUXLED_PIN
+#if 0
+#include "chan-aux.h"
+#else
+#define NUM_AUX_CHANNEL_MODES  0
+#endif
+
+// channel modes
+// * 0. FET+7135 stacked
+// * 1. button LED (only on some derivative models, like BLF Q8)
+#define NUM_CHANNEL_MODES   (1 + NUM_AUX_CHANNEL_MODES)
+enum CHANNEL_MODES {
+    CM_MAIN = 0,
+    CM_AUX,
+};
+
+#define DEFAULT_CHANNEL_MODE  CM_MAIN
+
+// right-most bit first, modes are in fedcba9876543210 order
+#define CHANNEL_MODES_ENABLED 0b00000001
+
+
+#define PWM_CHANNELS 2  // old, remove this
+
+#define PWM_BITS      8       // attiny85 only supports up to 8 bits
+#define PWM_GET       PWM_GET8
+#define PWM_DATATYPE  uint8_t
+#define PWM_DATATYPE2 uint16_t
+#define PWM1_DATATYPE uint8_t   // 1x7135 ramp
+#define PWM2_DATATYPE uint8_t   // DD FET ramp
+
+#define PWM_TOP_INIT  255    // highest value used in top half of ramp
+
+// 1x7135 channel
+#ifndef CH1_PIN
+#define CH1_PIN  PB0        // pin 5, 1x7135 PWM
+#define CH1_PWM  OCR0A      // OCR0A is the output compare register for PB0
+#endif
+
+// DD FET channel
+#ifndef CH2_PIN
+#define CH2_PIN  PB1        // pin 6, FET PWM
+#define CH2_PWM  OCR0B      // OCR0B is the output compare register for PB1
+#endif
+
+//#define AUXLED_PIN   PB4    // pin 3
+
+// e-switch
+#ifndef SWITCH_PIN
+#define SWITCH_PIN   PB3    // pin 2
+#define SWITCH_PCINT PCINT3 // pin 2 pin change interrupt
+#endif
+
+// (FIXME: remove?  not used?)
+//#define VOLTAGE_PIN PB2     // pin 7, voltage ADC
+//#define ADC_CHANNEL 0x01    // MUX 01 corresponds with PB2
+//#define ADC_DIDR    ADC1D   // Digital input disable bit corresponding with PB2
+#define ADC_PRSCL   0x07    // clk/128
+
+// average drop across diode on this hardware
+#ifndef VOLTAGE_FUDGE_FACTOR
+#define VOLTAGE_FUDGE_FACTOR 5  // add 0.25V
+#endif
+
+#define FAST 0xA3           // fast PWM both channels
+#define PHASE 0xA1          // phase-correct PWM both channels
+
+
+inline void hwdef_setup() {
+    // configure PWM channels
+    DDRB = (1 << CH1_PIN)
+         | (1 << CH2_PIN);
+
+    TCCR0B = 0x01; // pre-scaler for timer (1 => 1, 2 => 8, 3 => 64...)
+    TCCR0A = PHASE;
+
+    // configure e-switch
+    PORTB = (1 << SWITCH_PIN);  // e-switch is the only input
+    PCMSK = (1 << SWITCH_PIN);  // pin change interrupt uses this pin
+}
+
+
+#define LAYOUT_DEFINED
+